diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp new file mode 100644 index 0000000..1162920 --- /dev/null +++ b/examples/imgui_impl_vulkan.cpp @@ -0,0 +1,719 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplVulkan_Render() calls ImGui_ImplVulkan_RenderDrawData() itself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. +// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. +// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. +// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). +// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. +// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. +// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. +// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. +// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. + +#include "imgui.h" +#include "imgui_impl_vulkan.h" + +// Vulkan Data +static VkAllocationCallbacks* g_Allocator = NULL; +static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static VkRenderPass g_RenderPass = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; +static void (*g_CheckVkResult)(VkResult err) = NULL; + +static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; +static VkDeviceSize g_BufferMemoryAlignment = 256; +static VkPipelineCreateFlags g_PipelineCreateFlags = 0; +static int g_FrameIndex = 0; + +static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; +static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; +static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; +static VkPipeline g_Pipeline = VK_NULL_HANDLE; + +static VkSampler g_FontSampler = VK_NULL_HANDLE; +static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; +static VkImage g_FontImage = VK_NULL_HANDLE; +static VkImageView g_FontView = VK_NULL_HANDLE; + +static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; + +static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; +static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; + +static uint32_t __glsl_shader_vert_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, + 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, + 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, + 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, + 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, + 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, + 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, + 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, + 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, + 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, + 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, + 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, + 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, + 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, + 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, + 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, + 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, + 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, + 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, + 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, + 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, + 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, + 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, + 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, + 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, + 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, + 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, + 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, + 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, + 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, + 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, + 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, + 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, + 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, + 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, + 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, + 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, + 0x0000002d,0x0000002c,0x000100fd,0x00010038 +}; + +static uint32_t __glsl_shader_frag_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, + 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, + 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, + 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, + 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, + 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, + 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, + 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, + 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, + 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, + 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, + 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, + 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, + 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, + 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, + 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, + 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, + 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, + 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, + 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, + 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, + 0x00010038 +}; + +static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) +{ + VkPhysicalDeviceMemoryProperties prop; + vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); + for (uint32_t i = 0; i < prop.memoryTypeCount; i++) + if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TotalVtxCount == 0) + return; + + // Create the Vertex Buffer: + size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); + if (!g_VertexBuffer[g_FrameIndex] || g_VertexBufferSize[g_FrameIndex] < vertex_size) + { + if (g_VertexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); + if (g_VertexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize vertex_buffer_size = ((vertex_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = vertex_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_VertexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_VertexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_VertexBuffer[g_FrameIndex], g_VertexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; + } + + // Create the Index Buffer: + size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); + if (!g_IndexBuffer[g_FrameIndex] || g_IndexBufferSize[g_FrameIndex] < index_size) + { + if (g_IndexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); + if (g_IndexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize index_buffer_size = ((index_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = index_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_IndexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_IndexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_IndexBuffer[g_FrameIndex], g_IndexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_IndexBufferSize[g_FrameIndex] = index_buffer_size; + } + + // Upload Vertex and index Data: + { + ImDrawVert* vtx_dst; + ImDrawIdx* idx_dst; + err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], 0, vertex_size, 0, (void**)(&vtx_dst)); + ImGui_ImplVulkan_VkResult(err); + err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (void**)(&idx_dst)); + ImGui_ImplVulkan_VkResult(err); + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.Size; + idx_dst += cmd_list->IdxBuffer.Size; + } + VkMappedMemoryRange range[2] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_VertexBufferMemory[g_FrameIndex]; + range[0].size = VK_WHOLE_SIZE; + range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[1].memory = g_IndexBufferMemory[g_FrameIndex]; + range[1].size = VK_WHOLE_SIZE; + err = vkFlushMappedMemoryRanges(g_Device, 2, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); + vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); + } + + // Bind pipeline and descriptor sets: + { + vkCmdBindPipeline(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); + VkDescriptorSet desc_set[1] = {g_DescriptorSet}; + vkCmdBindDescriptorSets(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); + } + + // Bind Vertex And Index Buffer: + { + VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; + VkDeviceSize vertex_offset[1] = {0}; + vkCmdBindVertexBuffers(g_CommandBuffer, 0, 1, vertex_buffers, vertex_offset); + vkCmdBindIndexBuffer(g_CommandBuffer, g_IndexBuffer[g_FrameIndex], 0, VK_INDEX_TYPE_UINT16); + } + + // Setup viewport: + { + VkViewport viewport; + viewport.x = 0; + viewport.y = 0; + viewport.width = ImGui::GetIO().DisplaySize.x; + viewport.height = ImGui::GetIO().DisplaySize.y; + viewport.minDepth = 0.0f; + viewport.maxDepth = 1.0f; + vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); + } + + // Setup scale and translation: + { + float scale[2]; + scale[0] = 2.0f/io.DisplaySize.x; + scale[1] = 2.0f/io.DisplaySize.y; + float translate[2]; + translate[0] = -1.0f; + translate[1] = -1.0f; + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); + } + + // Render the command lists: + int vtx_offset = 0; + int idx_offset = 0; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + VkRect2D scissor; + scissor.offset.x = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; + scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; + scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); + scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? + vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); + vkCmdDrawIndexed(g_CommandBuffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); + } + idx_offset += pcmd->ElemCount; + } + vtx_offset += cmd_list->VtxBuffer.Size; + } +} + +bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) +{ + ImGuiIO& io = ImGui::GetIO(); + + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + size_t upload_size = width*height*4*sizeof(char); + + VkResult err; + + // Create the Image: + { + VkImageCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; + info.imageType = VK_IMAGE_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.extent.width = width; + info.extent.height = height; + info.extent.depth = 1; + info.mipLevels = 1; + info.arrayLayers = 1; + info.samples = VK_SAMPLE_COUNT_1_BIT; + info.tiling = VK_IMAGE_TILING_OPTIMAL; + info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; + info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Create the Image View: + { + VkImageViewCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + info.image = g_FontImage; + info.viewType = VK_IMAGE_VIEW_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + info.subresourceRange.levelCount = 1; + info.subresourceRange.layerCount = 1; + err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); + ImGui_ImplVulkan_VkResult(err); + } + + // Update the Descriptor Set: + { + VkDescriptorImageInfo desc_image[1] = {}; + desc_image[0].sampler = g_FontSampler; + desc_image[0].imageView = g_FontView; + desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + VkWriteDescriptorSet write_desc[1] = {}; + write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_desc[0].dstSet = g_DescriptorSet; + write_desc[0].descriptorCount = 1; + write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + write_desc[0].pImageInfo = desc_image; + vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); + } + + // Create the Upload Buffer: + { + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = upload_size; + buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Upload to Buffer: + { + char* map = NULL; + err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); + ImGui_ImplVulkan_VkResult(err); + memcpy(map, pixels, upload_size); + VkMappedMemoryRange range[1] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_UploadBufferMemory; + range[0].size = upload_size; + err = vkFlushMappedMemoryRanges(g_Device, 1, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_UploadBufferMemory); + } + // Copy to Image: + { + VkImageMemoryBarrier copy_barrier[1] = {}; + copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; + copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].image = g_FontImage; + copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copy_barrier[0].subresourceRange.levelCount = 1; + copy_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); + + VkBufferImageCopy region = {}; + region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + region.imageSubresource.layerCount = 1; + region.imageExtent.width = width; + region.imageExtent.height = height; + region.imageExtent.depth = 1; + vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); + + VkImageMemoryBarrier use_barrier[1] = {}; + use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; + use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].image = g_FontImage; + use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + use_barrier[0].subresourceRange.levelCount = 1; + use_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); + } + + // Store our identifier + io.Fonts->TexID = (void *)(intptr_t)g_FontImage; + + return true; +} + +bool ImGui_ImplVulkan_CreateDeviceObjects() +{ + VkResult err; + VkShaderModule vert_module; + VkShaderModule frag_module; + + // Create The Shader Modules: + { + VkShaderModuleCreateInfo vert_info = {}; + vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + vert_info.codeSize = sizeof(__glsl_shader_vert_spv); + vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; + err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); + ImGui_ImplVulkan_VkResult(err); + VkShaderModuleCreateInfo frag_info = {}; + frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + frag_info.codeSize = sizeof(__glsl_shader_frag_spv); + frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; + err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_FontSampler) + { + VkSamplerCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; + info.magFilter = VK_FILTER_LINEAR; + info.minFilter = VK_FILTER_LINEAR; + info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.minLod = -1000; + info.maxLod = 1000; + info.maxAnisotropy = 1.0f; + err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_DescriptorSetLayout) + { + VkSampler sampler[1] = {g_FontSampler}; + VkDescriptorSetLayoutBinding binding[1] = {}; + binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + binding[0].descriptorCount = 1; + binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; + binding[0].pImmutableSamplers = sampler; + VkDescriptorSetLayoutCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; + info.bindingCount = 1; + info.pBindings = binding; + err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); + ImGui_ImplVulkan_VkResult(err); + } + + // Create Descriptor Set: + { + VkDescriptorSetAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = g_DescriptorPool; + alloc_info.descriptorSetCount = 1; + alloc_info.pSetLayouts = &g_DescriptorSetLayout; + err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_PipelineLayout) + { + VkPushConstantRange push_constants[1] = {}; + push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + push_constants[0].offset = sizeof(float) * 0; + push_constants[0].size = sizeof(float) * 4; + VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; + VkPipelineLayoutCreateInfo layout_info = {}; + layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; + layout_info.setLayoutCount = 1; + layout_info.pSetLayouts = set_layout; + layout_info.pushConstantRangeCount = 1; + layout_info.pPushConstantRanges = push_constants; + err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); + ImGui_ImplVulkan_VkResult(err); + } + + VkPipelineShaderStageCreateInfo stage[2] = {}; + stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; + stage[0].module = vert_module; + stage[0].pName = "main"; + stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; + stage[1].module = frag_module; + stage[1].pName = "main"; + + VkVertexInputBindingDescription binding_desc[1] = {}; + binding_desc[0].stride = sizeof(ImDrawVert); + binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; + + VkVertexInputAttributeDescription attribute_desc[3] = {}; + attribute_desc[0].location = 0; + attribute_desc[0].binding = binding_desc[0].binding; + attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); + attribute_desc[1].location = 1; + attribute_desc[1].binding = binding_desc[0].binding; + attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); + attribute_desc[2].location = 2; + attribute_desc[2].binding = binding_desc[0].binding; + attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; + attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); + + VkPipelineVertexInputStateCreateInfo vertex_info = {}; + vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; + vertex_info.vertexBindingDescriptionCount = 1; + vertex_info.pVertexBindingDescriptions = binding_desc; + vertex_info.vertexAttributeDescriptionCount = 3; + vertex_info.pVertexAttributeDescriptions = attribute_desc; + + VkPipelineInputAssemblyStateCreateInfo ia_info = {}; + ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; + ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; + + VkPipelineViewportStateCreateInfo viewport_info = {}; + viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; + viewport_info.viewportCount = 1; + viewport_info.scissorCount = 1; + + VkPipelineRasterizationStateCreateInfo raster_info = {}; + raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; + raster_info.polygonMode = VK_POLYGON_MODE_FILL; + raster_info.cullMode = VK_CULL_MODE_NONE; + raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; + raster_info.lineWidth = 1.0f; + + VkPipelineMultisampleStateCreateInfo ms_info = {}; + ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; + ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; + + VkPipelineColorBlendAttachmentState color_attachment[1] = {}; + color_attachment[0].blendEnable = VK_TRUE; + color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; + color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; + color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; + + VkPipelineDepthStencilStateCreateInfo depth_info = {}; + depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; + + VkPipelineColorBlendStateCreateInfo blend_info = {}; + blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; + blend_info.attachmentCount = 1; + blend_info.pAttachments = color_attachment; + + VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamic_state = {}; + dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; + dynamic_state.dynamicStateCount = 2; + dynamic_state.pDynamicStates = dynamic_states; + + VkGraphicsPipelineCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; + info.flags = g_PipelineCreateFlags; + info.stageCount = 2; + info.pStages = stage; + info.pVertexInputState = &vertex_info; + info.pInputAssemblyState = &ia_info; + info.pViewportState = &viewport_info; + info.pRasterizationState = &raster_info; + info.pMultisampleState = &ms_info; + info.pDepthStencilState = &depth_info; + info.pColorBlendState = &blend_info; + info.pDynamicState = &dynamic_state; + info.layout = g_PipelineLayout; + info.renderPass = g_RenderPass; + err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); + ImGui_ImplVulkan_VkResult(err); + + vkDestroyShaderModule(g_Device, vert_module, g_Allocator); + vkDestroyShaderModule(g_Device, frag_module, g_Allocator); + + return true; +} + +void ImGui_ImplVulkan_InvalidateFontUploadObjects() +{ + if (g_UploadBuffer) + { + vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); + g_UploadBuffer = VK_NULL_HANDLE; + } + if (g_UploadBufferMemory) + { + vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); + g_UploadBufferMemory = VK_NULL_HANDLE; + } +} + +void ImGui_ImplVulkan_InvalidateDeviceObjects() +{ + ImGui_ImplVulkan_InvalidateFontUploadObjects(); + + for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++) + { + if (g_VertexBuffer[i]) { vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); g_VertexBuffer[i] = VK_NULL_HANDLE; } + if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } + if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } + if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } + } + + if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } + if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } + if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } + if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } + if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } + if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } + if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } +} + +bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data) +{ + g_Allocator = init_data->allocator; + g_Gpu = init_data->gpu; + g_Device = init_data->device; + g_RenderPass = init_data->render_pass; + g_PipelineCache = init_data->pipeline_cache; + g_DescriptorPool = init_data->descriptor_pool; + g_CheckVkResult = init_data->check_vk_result; + + ImGui_ImplVulkan_CreateDeviceObjects(); + + return true; +} + +void ImGui_ImplVulkan_Shutdown() +{ + ImGui_ImplVulkan_InvalidateDeviceObjects(); +} + +void ImGui_ImplVulkan_NewFrame() +{ +} + +void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer) +{ + g_CommandBuffer = command_buffer; + ImGui::Render(); + ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData()); + g_CommandBuffer = VK_NULL_HANDLE; + g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; +} diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp new file mode 100644 index 0000000..1162920 --- /dev/null +++ b/examples/imgui_impl_vulkan.cpp @@ -0,0 +1,719 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplVulkan_Render() calls ImGui_ImplVulkan_RenderDrawData() itself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. +// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. +// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. +// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). +// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. +// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. +// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. +// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. +// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. + +#include "imgui.h" +#include "imgui_impl_vulkan.h" + +// Vulkan Data +static VkAllocationCallbacks* g_Allocator = NULL; +static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static VkRenderPass g_RenderPass = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; +static void (*g_CheckVkResult)(VkResult err) = NULL; + +static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; +static VkDeviceSize g_BufferMemoryAlignment = 256; +static VkPipelineCreateFlags g_PipelineCreateFlags = 0; +static int g_FrameIndex = 0; + +static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; +static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; +static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; +static VkPipeline g_Pipeline = VK_NULL_HANDLE; + +static VkSampler g_FontSampler = VK_NULL_HANDLE; +static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; +static VkImage g_FontImage = VK_NULL_HANDLE; +static VkImageView g_FontView = VK_NULL_HANDLE; + +static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; + +static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; +static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; + +static uint32_t __glsl_shader_vert_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, + 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, + 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, + 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, + 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, + 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, + 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, + 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, + 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, + 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, + 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, + 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, + 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, + 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, + 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, + 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, + 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, + 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, + 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, + 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, + 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, + 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, + 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, + 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, + 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, + 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, + 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, + 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, + 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, + 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, + 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, + 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, + 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, + 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, + 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, + 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, + 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, + 0x0000002d,0x0000002c,0x000100fd,0x00010038 +}; + +static uint32_t __glsl_shader_frag_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, + 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, + 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, + 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, + 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, + 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, + 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, + 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, + 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, + 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, + 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, + 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, + 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, + 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, + 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, + 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, + 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, + 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, + 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, + 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, + 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, + 0x00010038 +}; + +static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) +{ + VkPhysicalDeviceMemoryProperties prop; + vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); + for (uint32_t i = 0; i < prop.memoryTypeCount; i++) + if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TotalVtxCount == 0) + return; + + // Create the Vertex Buffer: + size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); + if (!g_VertexBuffer[g_FrameIndex] || g_VertexBufferSize[g_FrameIndex] < vertex_size) + { + if (g_VertexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); + if (g_VertexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize vertex_buffer_size = ((vertex_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = vertex_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_VertexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_VertexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_VertexBuffer[g_FrameIndex], g_VertexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; + } + + // Create the Index Buffer: + size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); + if (!g_IndexBuffer[g_FrameIndex] || g_IndexBufferSize[g_FrameIndex] < index_size) + { + if (g_IndexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); + if (g_IndexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize index_buffer_size = ((index_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = index_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_IndexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_IndexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_IndexBuffer[g_FrameIndex], g_IndexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_IndexBufferSize[g_FrameIndex] = index_buffer_size; + } + + // Upload Vertex and index Data: + { + ImDrawVert* vtx_dst; + ImDrawIdx* idx_dst; + err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], 0, vertex_size, 0, (void**)(&vtx_dst)); + ImGui_ImplVulkan_VkResult(err); + err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (void**)(&idx_dst)); + ImGui_ImplVulkan_VkResult(err); + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.Size; + idx_dst += cmd_list->IdxBuffer.Size; + } + VkMappedMemoryRange range[2] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_VertexBufferMemory[g_FrameIndex]; + range[0].size = VK_WHOLE_SIZE; + range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[1].memory = g_IndexBufferMemory[g_FrameIndex]; + range[1].size = VK_WHOLE_SIZE; + err = vkFlushMappedMemoryRanges(g_Device, 2, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); + vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); + } + + // Bind pipeline and descriptor sets: + { + vkCmdBindPipeline(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); + VkDescriptorSet desc_set[1] = {g_DescriptorSet}; + vkCmdBindDescriptorSets(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); + } + + // Bind Vertex And Index Buffer: + { + VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; + VkDeviceSize vertex_offset[1] = {0}; + vkCmdBindVertexBuffers(g_CommandBuffer, 0, 1, vertex_buffers, vertex_offset); + vkCmdBindIndexBuffer(g_CommandBuffer, g_IndexBuffer[g_FrameIndex], 0, VK_INDEX_TYPE_UINT16); + } + + // Setup viewport: + { + VkViewport viewport; + viewport.x = 0; + viewport.y = 0; + viewport.width = ImGui::GetIO().DisplaySize.x; + viewport.height = ImGui::GetIO().DisplaySize.y; + viewport.minDepth = 0.0f; + viewport.maxDepth = 1.0f; + vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); + } + + // Setup scale and translation: + { + float scale[2]; + scale[0] = 2.0f/io.DisplaySize.x; + scale[1] = 2.0f/io.DisplaySize.y; + float translate[2]; + translate[0] = -1.0f; + translate[1] = -1.0f; + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); + } + + // Render the command lists: + int vtx_offset = 0; + int idx_offset = 0; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + VkRect2D scissor; + scissor.offset.x = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; + scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; + scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); + scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? + vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); + vkCmdDrawIndexed(g_CommandBuffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); + } + idx_offset += pcmd->ElemCount; + } + vtx_offset += cmd_list->VtxBuffer.Size; + } +} + +bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) +{ + ImGuiIO& io = ImGui::GetIO(); + + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + size_t upload_size = width*height*4*sizeof(char); + + VkResult err; + + // Create the Image: + { + VkImageCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; + info.imageType = VK_IMAGE_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.extent.width = width; + info.extent.height = height; + info.extent.depth = 1; + info.mipLevels = 1; + info.arrayLayers = 1; + info.samples = VK_SAMPLE_COUNT_1_BIT; + info.tiling = VK_IMAGE_TILING_OPTIMAL; + info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; + info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Create the Image View: + { + VkImageViewCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + info.image = g_FontImage; + info.viewType = VK_IMAGE_VIEW_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + info.subresourceRange.levelCount = 1; + info.subresourceRange.layerCount = 1; + err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); + ImGui_ImplVulkan_VkResult(err); + } + + // Update the Descriptor Set: + { + VkDescriptorImageInfo desc_image[1] = {}; + desc_image[0].sampler = g_FontSampler; + desc_image[0].imageView = g_FontView; + desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + VkWriteDescriptorSet write_desc[1] = {}; + write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_desc[0].dstSet = g_DescriptorSet; + write_desc[0].descriptorCount = 1; + write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + write_desc[0].pImageInfo = desc_image; + vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); + } + + // Create the Upload Buffer: + { + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = upload_size; + buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Upload to Buffer: + { + char* map = NULL; + err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); + ImGui_ImplVulkan_VkResult(err); + memcpy(map, pixels, upload_size); + VkMappedMemoryRange range[1] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_UploadBufferMemory; + range[0].size = upload_size; + err = vkFlushMappedMemoryRanges(g_Device, 1, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_UploadBufferMemory); + } + // Copy to Image: + { + VkImageMemoryBarrier copy_barrier[1] = {}; + copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; + copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].image = g_FontImage; + copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copy_barrier[0].subresourceRange.levelCount = 1; + copy_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); + + VkBufferImageCopy region = {}; + region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + region.imageSubresource.layerCount = 1; + region.imageExtent.width = width; + region.imageExtent.height = height; + region.imageExtent.depth = 1; + vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); + + VkImageMemoryBarrier use_barrier[1] = {}; + use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; + use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].image = g_FontImage; + use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + use_barrier[0].subresourceRange.levelCount = 1; + use_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); + } + + // Store our identifier + io.Fonts->TexID = (void *)(intptr_t)g_FontImage; + + return true; +} + +bool ImGui_ImplVulkan_CreateDeviceObjects() +{ + VkResult err; + VkShaderModule vert_module; + VkShaderModule frag_module; + + // Create The Shader Modules: + { + VkShaderModuleCreateInfo vert_info = {}; + vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + vert_info.codeSize = sizeof(__glsl_shader_vert_spv); + vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; + err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); + ImGui_ImplVulkan_VkResult(err); + VkShaderModuleCreateInfo frag_info = {}; + frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + frag_info.codeSize = sizeof(__glsl_shader_frag_spv); + frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; + err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_FontSampler) + { + VkSamplerCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; + info.magFilter = VK_FILTER_LINEAR; + info.minFilter = VK_FILTER_LINEAR; + info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.minLod = -1000; + info.maxLod = 1000; + info.maxAnisotropy = 1.0f; + err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_DescriptorSetLayout) + { + VkSampler sampler[1] = {g_FontSampler}; + VkDescriptorSetLayoutBinding binding[1] = {}; + binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + binding[0].descriptorCount = 1; + binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; + binding[0].pImmutableSamplers = sampler; + VkDescriptorSetLayoutCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; + info.bindingCount = 1; + info.pBindings = binding; + err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); + ImGui_ImplVulkan_VkResult(err); + } + + // Create Descriptor Set: + { + VkDescriptorSetAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = g_DescriptorPool; + alloc_info.descriptorSetCount = 1; + alloc_info.pSetLayouts = &g_DescriptorSetLayout; + err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_PipelineLayout) + { + VkPushConstantRange push_constants[1] = {}; + push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + push_constants[0].offset = sizeof(float) * 0; + push_constants[0].size = sizeof(float) * 4; + VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; + VkPipelineLayoutCreateInfo layout_info = {}; + layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; + layout_info.setLayoutCount = 1; + layout_info.pSetLayouts = set_layout; + layout_info.pushConstantRangeCount = 1; + layout_info.pPushConstantRanges = push_constants; + err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); + ImGui_ImplVulkan_VkResult(err); + } + + VkPipelineShaderStageCreateInfo stage[2] = {}; + stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; + stage[0].module = vert_module; + stage[0].pName = "main"; + stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; + stage[1].module = frag_module; + stage[1].pName = "main"; + + VkVertexInputBindingDescription binding_desc[1] = {}; + binding_desc[0].stride = sizeof(ImDrawVert); + binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; + + VkVertexInputAttributeDescription attribute_desc[3] = {}; + attribute_desc[0].location = 0; + attribute_desc[0].binding = binding_desc[0].binding; + attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); + attribute_desc[1].location = 1; + attribute_desc[1].binding = binding_desc[0].binding; + attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); + attribute_desc[2].location = 2; + attribute_desc[2].binding = binding_desc[0].binding; + attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; + attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); + + VkPipelineVertexInputStateCreateInfo vertex_info = {}; + vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; + vertex_info.vertexBindingDescriptionCount = 1; + vertex_info.pVertexBindingDescriptions = binding_desc; + vertex_info.vertexAttributeDescriptionCount = 3; + vertex_info.pVertexAttributeDescriptions = attribute_desc; + + VkPipelineInputAssemblyStateCreateInfo ia_info = {}; + ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; + ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; + + VkPipelineViewportStateCreateInfo viewport_info = {}; + viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; + viewport_info.viewportCount = 1; + viewport_info.scissorCount = 1; + + VkPipelineRasterizationStateCreateInfo raster_info = {}; + raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; + raster_info.polygonMode = VK_POLYGON_MODE_FILL; + raster_info.cullMode = VK_CULL_MODE_NONE; + raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; + raster_info.lineWidth = 1.0f; + + VkPipelineMultisampleStateCreateInfo ms_info = {}; + ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; + ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; + + VkPipelineColorBlendAttachmentState color_attachment[1] = {}; + color_attachment[0].blendEnable = VK_TRUE; + color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; + color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; + color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; + + VkPipelineDepthStencilStateCreateInfo depth_info = {}; + depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; + + VkPipelineColorBlendStateCreateInfo blend_info = {}; + blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; + blend_info.attachmentCount = 1; + blend_info.pAttachments = color_attachment; + + VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamic_state = {}; + dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; + dynamic_state.dynamicStateCount = 2; + dynamic_state.pDynamicStates = dynamic_states; + + VkGraphicsPipelineCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; + info.flags = g_PipelineCreateFlags; + info.stageCount = 2; + info.pStages = stage; + info.pVertexInputState = &vertex_info; + info.pInputAssemblyState = &ia_info; + info.pViewportState = &viewport_info; + info.pRasterizationState = &raster_info; + info.pMultisampleState = &ms_info; + info.pDepthStencilState = &depth_info; + info.pColorBlendState = &blend_info; + info.pDynamicState = &dynamic_state; + info.layout = g_PipelineLayout; + info.renderPass = g_RenderPass; + err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); + ImGui_ImplVulkan_VkResult(err); + + vkDestroyShaderModule(g_Device, vert_module, g_Allocator); + vkDestroyShaderModule(g_Device, frag_module, g_Allocator); + + return true; +} + +void ImGui_ImplVulkan_InvalidateFontUploadObjects() +{ + if (g_UploadBuffer) + { + vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); + g_UploadBuffer = VK_NULL_HANDLE; + } + if (g_UploadBufferMemory) + { + vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); + g_UploadBufferMemory = VK_NULL_HANDLE; + } +} + +void ImGui_ImplVulkan_InvalidateDeviceObjects() +{ + ImGui_ImplVulkan_InvalidateFontUploadObjects(); + + for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++) + { + if (g_VertexBuffer[i]) { vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); g_VertexBuffer[i] = VK_NULL_HANDLE; } + if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } + if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } + if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } + } + + if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } + if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } + if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } + if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } + if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } + if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } + if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } +} + +bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data) +{ + g_Allocator = init_data->allocator; + g_Gpu = init_data->gpu; + g_Device = init_data->device; + g_RenderPass = init_data->render_pass; + g_PipelineCache = init_data->pipeline_cache; + g_DescriptorPool = init_data->descriptor_pool; + g_CheckVkResult = init_data->check_vk_result; + + ImGui_ImplVulkan_CreateDeviceObjects(); + + return true; +} + +void ImGui_ImplVulkan_Shutdown() +{ + ImGui_ImplVulkan_InvalidateDeviceObjects(); +} + +void ImGui_ImplVulkan_NewFrame() +{ +} + +void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer) +{ + g_CommandBuffer = command_buffer; + ImGui::Render(); + ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData()); + g_CommandBuffer = VK_NULL_HANDLE; + g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; +} diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h new file mode 100644 index 0000000..0a0e9be --- /dev/null +++ b/examples/imgui_impl_vulkan.h @@ -0,0 +1,35 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#include + +#define IMGUI_VK_QUEUED_FRAMES 2 + +struct ImGui_ImplVulkan_InitData +{ + VkAllocationCallbacks* allocator; + VkPhysicalDevice gpu; + VkDevice device; + VkRenderPass render_pass; + VkPipelineCache pipeline_cache; + VkDescriptorPool descriptor_pool; + void (*check_vk_result)(VkResult err); +}; + +IMGUI_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data); +IMGUI_API void ImGui_ImplVulkan_Shutdown(); +IMGUI_API void ImGui_ImplVulkan_NewFrame(); +IMGUI_API void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer); + +// Called by Init/NewFrame/Shutdown +IMGUI_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); +IMGUI_API void ImGui_ImplVulkan_InvalidateDeviceObjects(); +IMGUI_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); +IMGUI_API bool ImGui_ImplVulkan_CreateDeviceObjects(); diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp new file mode 100644 index 0000000..1162920 --- /dev/null +++ b/examples/imgui_impl_vulkan.cpp @@ -0,0 +1,719 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplVulkan_Render() calls ImGui_ImplVulkan_RenderDrawData() itself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. +// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. +// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. +// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). +// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. +// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. +// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. +// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. +// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. + +#include "imgui.h" +#include "imgui_impl_vulkan.h" + +// Vulkan Data +static VkAllocationCallbacks* g_Allocator = NULL; +static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static VkRenderPass g_RenderPass = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; +static void (*g_CheckVkResult)(VkResult err) = NULL; + +static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; +static VkDeviceSize g_BufferMemoryAlignment = 256; +static VkPipelineCreateFlags g_PipelineCreateFlags = 0; +static int g_FrameIndex = 0; + +static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; +static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; +static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; +static VkPipeline g_Pipeline = VK_NULL_HANDLE; + +static VkSampler g_FontSampler = VK_NULL_HANDLE; +static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; +static VkImage g_FontImage = VK_NULL_HANDLE; +static VkImageView g_FontView = VK_NULL_HANDLE; + +static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; + +static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; +static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; + +static uint32_t __glsl_shader_vert_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, + 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, + 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, + 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, + 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, + 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, + 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, + 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, + 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, + 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, + 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, + 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, + 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, + 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, + 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, + 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, + 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, + 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, + 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, + 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, + 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, + 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, + 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, + 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, + 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, + 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, + 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, + 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, + 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, + 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, + 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, + 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, + 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, + 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, + 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, + 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, + 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, + 0x0000002d,0x0000002c,0x000100fd,0x00010038 +}; + +static uint32_t __glsl_shader_frag_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, + 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, + 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, + 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, + 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, + 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, + 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, + 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, + 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, + 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, + 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, + 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, + 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, + 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, + 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, + 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, + 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, + 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, + 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, + 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, + 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, + 0x00010038 +}; + +static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) +{ + VkPhysicalDeviceMemoryProperties prop; + vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); + for (uint32_t i = 0; i < prop.memoryTypeCount; i++) + if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TotalVtxCount == 0) + return; + + // Create the Vertex Buffer: + size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); + if (!g_VertexBuffer[g_FrameIndex] || g_VertexBufferSize[g_FrameIndex] < vertex_size) + { + if (g_VertexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); + if (g_VertexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize vertex_buffer_size = ((vertex_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = vertex_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_VertexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_VertexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_VertexBuffer[g_FrameIndex], g_VertexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; + } + + // Create the Index Buffer: + size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); + if (!g_IndexBuffer[g_FrameIndex] || g_IndexBufferSize[g_FrameIndex] < index_size) + { + if (g_IndexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); + if (g_IndexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize index_buffer_size = ((index_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = index_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_IndexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_IndexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_IndexBuffer[g_FrameIndex], g_IndexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_IndexBufferSize[g_FrameIndex] = index_buffer_size; + } + + // Upload Vertex and index Data: + { + ImDrawVert* vtx_dst; + ImDrawIdx* idx_dst; + err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], 0, vertex_size, 0, (void**)(&vtx_dst)); + ImGui_ImplVulkan_VkResult(err); + err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (void**)(&idx_dst)); + ImGui_ImplVulkan_VkResult(err); + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.Size; + idx_dst += cmd_list->IdxBuffer.Size; + } + VkMappedMemoryRange range[2] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_VertexBufferMemory[g_FrameIndex]; + range[0].size = VK_WHOLE_SIZE; + range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[1].memory = g_IndexBufferMemory[g_FrameIndex]; + range[1].size = VK_WHOLE_SIZE; + err = vkFlushMappedMemoryRanges(g_Device, 2, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); + vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); + } + + // Bind pipeline and descriptor sets: + { + vkCmdBindPipeline(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); + VkDescriptorSet desc_set[1] = {g_DescriptorSet}; + vkCmdBindDescriptorSets(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); + } + + // Bind Vertex And Index Buffer: + { + VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; + VkDeviceSize vertex_offset[1] = {0}; + vkCmdBindVertexBuffers(g_CommandBuffer, 0, 1, vertex_buffers, vertex_offset); + vkCmdBindIndexBuffer(g_CommandBuffer, g_IndexBuffer[g_FrameIndex], 0, VK_INDEX_TYPE_UINT16); + } + + // Setup viewport: + { + VkViewport viewport; + viewport.x = 0; + viewport.y = 0; + viewport.width = ImGui::GetIO().DisplaySize.x; + viewport.height = ImGui::GetIO().DisplaySize.y; + viewport.minDepth = 0.0f; + viewport.maxDepth = 1.0f; + vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); + } + + // Setup scale and translation: + { + float scale[2]; + scale[0] = 2.0f/io.DisplaySize.x; + scale[1] = 2.0f/io.DisplaySize.y; + float translate[2]; + translate[0] = -1.0f; + translate[1] = -1.0f; + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); + } + + // Render the command lists: + int vtx_offset = 0; + int idx_offset = 0; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + VkRect2D scissor; + scissor.offset.x = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; + scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; + scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); + scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? + vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); + vkCmdDrawIndexed(g_CommandBuffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); + } + idx_offset += pcmd->ElemCount; + } + vtx_offset += cmd_list->VtxBuffer.Size; + } +} + +bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) +{ + ImGuiIO& io = ImGui::GetIO(); + + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + size_t upload_size = width*height*4*sizeof(char); + + VkResult err; + + // Create the Image: + { + VkImageCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; + info.imageType = VK_IMAGE_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.extent.width = width; + info.extent.height = height; + info.extent.depth = 1; + info.mipLevels = 1; + info.arrayLayers = 1; + info.samples = VK_SAMPLE_COUNT_1_BIT; + info.tiling = VK_IMAGE_TILING_OPTIMAL; + info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; + info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Create the Image View: + { + VkImageViewCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + info.image = g_FontImage; + info.viewType = VK_IMAGE_VIEW_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + info.subresourceRange.levelCount = 1; + info.subresourceRange.layerCount = 1; + err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); + ImGui_ImplVulkan_VkResult(err); + } + + // Update the Descriptor Set: + { + VkDescriptorImageInfo desc_image[1] = {}; + desc_image[0].sampler = g_FontSampler; + desc_image[0].imageView = g_FontView; + desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + VkWriteDescriptorSet write_desc[1] = {}; + write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_desc[0].dstSet = g_DescriptorSet; + write_desc[0].descriptorCount = 1; + write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + write_desc[0].pImageInfo = desc_image; + vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); + } + + // Create the Upload Buffer: + { + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = upload_size; + buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Upload to Buffer: + { + char* map = NULL; + err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); + ImGui_ImplVulkan_VkResult(err); + memcpy(map, pixels, upload_size); + VkMappedMemoryRange range[1] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_UploadBufferMemory; + range[0].size = upload_size; + err = vkFlushMappedMemoryRanges(g_Device, 1, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_UploadBufferMemory); + } + // Copy to Image: + { + VkImageMemoryBarrier copy_barrier[1] = {}; + copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; + copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].image = g_FontImage; + copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copy_barrier[0].subresourceRange.levelCount = 1; + copy_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); + + VkBufferImageCopy region = {}; + region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + region.imageSubresource.layerCount = 1; + region.imageExtent.width = width; + region.imageExtent.height = height; + region.imageExtent.depth = 1; + vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); + + VkImageMemoryBarrier use_barrier[1] = {}; + use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; + use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].image = g_FontImage; + use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + use_barrier[0].subresourceRange.levelCount = 1; + use_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); + } + + // Store our identifier + io.Fonts->TexID = (void *)(intptr_t)g_FontImage; + + return true; +} + +bool ImGui_ImplVulkan_CreateDeviceObjects() +{ + VkResult err; + VkShaderModule vert_module; + VkShaderModule frag_module; + + // Create The Shader Modules: + { + VkShaderModuleCreateInfo vert_info = {}; + vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + vert_info.codeSize = sizeof(__glsl_shader_vert_spv); + vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; + err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); + ImGui_ImplVulkan_VkResult(err); + VkShaderModuleCreateInfo frag_info = {}; + frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + frag_info.codeSize = sizeof(__glsl_shader_frag_spv); + frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; + err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_FontSampler) + { + VkSamplerCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; + info.magFilter = VK_FILTER_LINEAR; + info.minFilter = VK_FILTER_LINEAR; + info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.minLod = -1000; + info.maxLod = 1000; + info.maxAnisotropy = 1.0f; + err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_DescriptorSetLayout) + { + VkSampler sampler[1] = {g_FontSampler}; + VkDescriptorSetLayoutBinding binding[1] = {}; + binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + binding[0].descriptorCount = 1; + binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; + binding[0].pImmutableSamplers = sampler; + VkDescriptorSetLayoutCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; + info.bindingCount = 1; + info.pBindings = binding; + err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); + ImGui_ImplVulkan_VkResult(err); + } + + // Create Descriptor Set: + { + VkDescriptorSetAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = g_DescriptorPool; + alloc_info.descriptorSetCount = 1; + alloc_info.pSetLayouts = &g_DescriptorSetLayout; + err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_PipelineLayout) + { + VkPushConstantRange push_constants[1] = {}; + push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + push_constants[0].offset = sizeof(float) * 0; + push_constants[0].size = sizeof(float) * 4; + VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; + VkPipelineLayoutCreateInfo layout_info = {}; + layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; + layout_info.setLayoutCount = 1; + layout_info.pSetLayouts = set_layout; + layout_info.pushConstantRangeCount = 1; + layout_info.pPushConstantRanges = push_constants; + err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); + ImGui_ImplVulkan_VkResult(err); + } + + VkPipelineShaderStageCreateInfo stage[2] = {}; + stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; + stage[0].module = vert_module; + stage[0].pName = "main"; + stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; + stage[1].module = frag_module; + stage[1].pName = "main"; + + VkVertexInputBindingDescription binding_desc[1] = {}; + binding_desc[0].stride = sizeof(ImDrawVert); + binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; + + VkVertexInputAttributeDescription attribute_desc[3] = {}; + attribute_desc[0].location = 0; + attribute_desc[0].binding = binding_desc[0].binding; + attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); + attribute_desc[1].location = 1; + attribute_desc[1].binding = binding_desc[0].binding; + attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); + attribute_desc[2].location = 2; + attribute_desc[2].binding = binding_desc[0].binding; + attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; + attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); + + VkPipelineVertexInputStateCreateInfo vertex_info = {}; + vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; + vertex_info.vertexBindingDescriptionCount = 1; + vertex_info.pVertexBindingDescriptions = binding_desc; + vertex_info.vertexAttributeDescriptionCount = 3; + vertex_info.pVertexAttributeDescriptions = attribute_desc; + + VkPipelineInputAssemblyStateCreateInfo ia_info = {}; + ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; + ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; + + VkPipelineViewportStateCreateInfo viewport_info = {}; + viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; + viewport_info.viewportCount = 1; + viewport_info.scissorCount = 1; + + VkPipelineRasterizationStateCreateInfo raster_info = {}; + raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; + raster_info.polygonMode = VK_POLYGON_MODE_FILL; + raster_info.cullMode = VK_CULL_MODE_NONE; + raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; + raster_info.lineWidth = 1.0f; + + VkPipelineMultisampleStateCreateInfo ms_info = {}; + ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; + ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; + + VkPipelineColorBlendAttachmentState color_attachment[1] = {}; + color_attachment[0].blendEnable = VK_TRUE; + color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; + color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; + color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; + + VkPipelineDepthStencilStateCreateInfo depth_info = {}; + depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; + + VkPipelineColorBlendStateCreateInfo blend_info = {}; + blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; + blend_info.attachmentCount = 1; + blend_info.pAttachments = color_attachment; + + VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamic_state = {}; + dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; + dynamic_state.dynamicStateCount = 2; + dynamic_state.pDynamicStates = dynamic_states; + + VkGraphicsPipelineCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; + info.flags = g_PipelineCreateFlags; + info.stageCount = 2; + info.pStages = stage; + info.pVertexInputState = &vertex_info; + info.pInputAssemblyState = &ia_info; + info.pViewportState = &viewport_info; + info.pRasterizationState = &raster_info; + info.pMultisampleState = &ms_info; + info.pDepthStencilState = &depth_info; + info.pColorBlendState = &blend_info; + info.pDynamicState = &dynamic_state; + info.layout = g_PipelineLayout; + info.renderPass = g_RenderPass; + err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); + ImGui_ImplVulkan_VkResult(err); + + vkDestroyShaderModule(g_Device, vert_module, g_Allocator); + vkDestroyShaderModule(g_Device, frag_module, g_Allocator); + + return true; +} + +void ImGui_ImplVulkan_InvalidateFontUploadObjects() +{ + if (g_UploadBuffer) + { + vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); + g_UploadBuffer = VK_NULL_HANDLE; + } + if (g_UploadBufferMemory) + { + vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); + g_UploadBufferMemory = VK_NULL_HANDLE; + } +} + +void ImGui_ImplVulkan_InvalidateDeviceObjects() +{ + ImGui_ImplVulkan_InvalidateFontUploadObjects(); + + for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++) + { + if (g_VertexBuffer[i]) { vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); g_VertexBuffer[i] = VK_NULL_HANDLE; } + if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } + if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } + if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } + } + + if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } + if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } + if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } + if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } + if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } + if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } + if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } +} + +bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data) +{ + g_Allocator = init_data->allocator; + g_Gpu = init_data->gpu; + g_Device = init_data->device; + g_RenderPass = init_data->render_pass; + g_PipelineCache = init_data->pipeline_cache; + g_DescriptorPool = init_data->descriptor_pool; + g_CheckVkResult = init_data->check_vk_result; + + ImGui_ImplVulkan_CreateDeviceObjects(); + + return true; +} + +void ImGui_ImplVulkan_Shutdown() +{ + ImGui_ImplVulkan_InvalidateDeviceObjects(); +} + +void ImGui_ImplVulkan_NewFrame() +{ +} + +void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer) +{ + g_CommandBuffer = command_buffer; + ImGui::Render(); + ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData()); + g_CommandBuffer = VK_NULL_HANDLE; + g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; +} diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h new file mode 100644 index 0000000..0a0e9be --- /dev/null +++ b/examples/imgui_impl_vulkan.h @@ -0,0 +1,35 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#include + +#define IMGUI_VK_QUEUED_FRAMES 2 + +struct ImGui_ImplVulkan_InitData +{ + VkAllocationCallbacks* allocator; + VkPhysicalDevice gpu; + VkDevice device; + VkRenderPass render_pass; + VkPipelineCache pipeline_cache; + VkDescriptorPool descriptor_pool; + void (*check_vk_result)(VkResult err); +}; + +IMGUI_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data); +IMGUI_API void ImGui_ImplVulkan_Shutdown(); +IMGUI_API void ImGui_ImplVulkan_NewFrame(); +IMGUI_API void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer); + +// Called by Init/NewFrame/Shutdown +IMGUI_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); +IMGUI_API void ImGui_ImplVulkan_InvalidateDeviceObjects(); +IMGUI_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); +IMGUI_API bool ImGui_ImplVulkan_CreateDeviceObjects(); diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp deleted file mode 100644 index 31f22e8..0000000 --- a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp +++ /dev/null @@ -1,859 +0,0 @@ -// ImGui GLFW binding with Vulkan + shaders - -// Missing features: -// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplGlfwVulkan_Render() calls ImGui_ImplGlfwVulkan_RenderDrawData() itself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. -// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. -// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. -// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). -// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. -// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. -// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. -// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. -// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. - -#include "imgui.h" -#include "imgui_impl_glfw_vulkan.h" - -// GLFW -#define GLFW_INCLUDE_NONE -#define GLFW_INCLUDE_VULKAN -#include -#ifdef _WIN32 -#undef APIENTRY -#define GLFW_EXPOSE_NATIVE_WIN32 -#define GLFW_EXPOSE_NATIVE_WGL -#include -#endif - -// GLFW Data -static GLFWwindow* g_Window = NULL; -static double g_Time = 0.0f; -static bool g_MouseJustPressed[3] = { false, false, false }; - -// Vulkan Data -static VkAllocationCallbacks* g_Allocator = NULL; -static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; -static VkDevice g_Device = VK_NULL_HANDLE; -static VkRenderPass g_RenderPass = VK_NULL_HANDLE; -static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; -static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; -static void (*g_CheckVkResult)(VkResult err) = NULL; - -static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; -static VkDeviceSize g_BufferMemoryAlignment = 256; -static VkPipelineCreateFlags g_PipelineCreateFlags = 0; -static int g_FrameIndex = 0; - -static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; -static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; -static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; -static VkPipeline g_Pipeline = VK_NULL_HANDLE; - -static VkSampler g_FontSampler = VK_NULL_HANDLE; -static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; -static VkImage g_FontImage = VK_NULL_HANDLE; -static VkImageView g_FontView = VK_NULL_HANDLE; - -static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceSize g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; - -static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; -static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; - -static uint32_t __glsl_shader_vert_spv[] = -{ - 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, - 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, - 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, - 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, - 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, - 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, - 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, - 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, - 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, - 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, - 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, - 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, - 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, - 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, - 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, - 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, - 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, - 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, - 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, - 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, - 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, - 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, - 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, - 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, - 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, - 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, - 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, - 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, - 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, - 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, - 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, - 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, - 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, - 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, - 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, - 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, - 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, - 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, - 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, - 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, - 0x0000002d,0x0000002c,0x000100fd,0x00010038 -}; - -static uint32_t __glsl_shader_frag_spv[] = -{ - 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, - 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, - 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, - 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, - 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, - 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, - 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, - 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, - 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, - 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, - 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, - 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, - 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, - 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, - 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, - 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, - 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, - 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, - 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, - 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, - 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, - 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, - 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, - 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, - 0x00010038 -}; - -static uint32_t ImGui_ImplGlfwVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) -{ - VkPhysicalDeviceMemoryProperties prop; - vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); - for (uint32_t i = 0; i < prop.memoryTypeCount; i++) - if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TotalVtxCount == 0) - return; - - // Create the Vertex Buffer: - size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); - if (!g_VertexBuffer[g_FrameIndex] || g_VertexBufferSize[g_FrameIndex] < vertex_size) - { - if (g_VertexBuffer[g_FrameIndex]) - vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); - if (g_VertexBufferMemory[g_FrameIndex]) - vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); - VkDeviceSize vertex_buffer_size = ((vertex_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = vertex_buffer_size; - buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_VertexBuffer[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_VertexBufferMemory[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_VertexBuffer[g_FrameIndex], g_VertexBufferMemory[g_FrameIndex], 0); - ImGui_ImplGlfwVulkan_VkResult(err); - g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; - } - - // Create the Index Buffer: - size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); - if (!g_IndexBuffer[g_FrameIndex] || g_IndexBufferSize[g_FrameIndex] < index_size) - { - if (g_IndexBuffer[g_FrameIndex]) - vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); - if (g_IndexBufferMemory[g_FrameIndex]) - vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); - VkDeviceSize index_buffer_size = ((index_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = index_buffer_size; - buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_IndexBuffer[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_IndexBufferMemory[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_IndexBuffer[g_FrameIndex], g_IndexBufferMemory[g_FrameIndex], 0); - ImGui_ImplGlfwVulkan_VkResult(err); - g_IndexBufferSize[g_FrameIndex] = index_buffer_size; - } - - // Upload Vertex and index Data: - { - ImDrawVert* vtx_dst; - ImDrawIdx* idx_dst; - err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], 0, vertex_size, 0, (void**)(&vtx_dst)); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (void**)(&idx_dst)); - ImGui_ImplGlfwVulkan_VkResult(err); - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); - memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); - vtx_dst += cmd_list->VtxBuffer.Size; - idx_dst += cmd_list->IdxBuffer.Size; - } - VkMappedMemoryRange range[2] = {}; - range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[0].memory = g_VertexBufferMemory[g_FrameIndex]; - range[0].size = VK_WHOLE_SIZE; - range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[1].memory = g_IndexBufferMemory[g_FrameIndex]; - range[1].size = VK_WHOLE_SIZE; - err = vkFlushMappedMemoryRanges(g_Device, 2, range); - ImGui_ImplGlfwVulkan_VkResult(err); - vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); - vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); - } - - // Bind pipeline and descriptor sets: - { - vkCmdBindPipeline(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); - VkDescriptorSet desc_set[1] = {g_DescriptorSet}; - vkCmdBindDescriptorSets(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); - } - - // Bind Vertex And Index Buffer: - { - VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; - VkDeviceSize vertex_offset[1] = {0}; - vkCmdBindVertexBuffers(g_CommandBuffer, 0, 1, vertex_buffers, vertex_offset); - vkCmdBindIndexBuffer(g_CommandBuffer, g_IndexBuffer[g_FrameIndex], 0, VK_INDEX_TYPE_UINT16); - } - - // Setup viewport: - { - VkViewport viewport; - viewport.x = 0; - viewport.y = 0; - viewport.width = ImGui::GetIO().DisplaySize.x; - viewport.height = ImGui::GetIO().DisplaySize.y; - viewport.minDepth = 0.0f; - viewport.maxDepth = 1.0f; - vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); - } - - // Setup scale and translation: - { - float scale[2]; - scale[0] = 2.0f/io.DisplaySize.x; - scale[1] = 2.0f/io.DisplaySize.y; - float translate[2]; - translate[0] = -1.0f; - translate[1] = -1.0f; - vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); - vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); - } - - // Render the command lists: - int vtx_offset = 0; - int idx_offset = 0; - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - VkRect2D scissor; - scissor.offset.x = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; - scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; - scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); - scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? - vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); - vkCmdDrawIndexed(g_CommandBuffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); - } - idx_offset += pcmd->ElemCount; - } - vtx_offset += cmd_list->VtxBuffer.Size; - } -} - -static const char* ImGui_ImplGlfwVulkan_GetClipboardText(void* user_data) -{ - return glfwGetClipboardString((GLFWwindow*)user_data); -} - -static void ImGui_ImplGlfwVulkan_SetClipboardText(void* user_data, const char* text) -{ - glfwSetClipboardString((GLFWwindow*)user_data, text); -} - -void ImGui_ImplGlfwVulkan_MouseButtonCallback(GLFWwindow*, int button, int action, int /*mods*/) -{ - if (action == GLFW_PRESS && button >= 0 && button < 3) - g_MouseJustPressed[button] = true; -} - -void ImGui_ImplGlfwVulkan_ScrollCallback(GLFWwindow*, double xoffset, double yoffset) -{ - ImGuiIO& io = ImGui::GetIO(); - io.MouseWheelH += (float)xoffset; - io.MouseWheel += (float)yoffset; -} - -void ImGui_ImplGlfwVulkan_KeyCallback(GLFWwindow*, int key, int, int action, int mods) -{ - ImGuiIO& io = ImGui::GetIO(); - if (action == GLFW_PRESS) - io.KeysDown[key] = true; - if (action == GLFW_RELEASE) - io.KeysDown[key] = false; - - (void)mods; // Modifiers are not reliable across systems - io.KeyCtrl = io.KeysDown[GLFW_KEY_LEFT_CONTROL] || io.KeysDown[GLFW_KEY_RIGHT_CONTROL]; - io.KeyShift = io.KeysDown[GLFW_KEY_LEFT_SHIFT] || io.KeysDown[GLFW_KEY_RIGHT_SHIFT]; - io.KeyAlt = io.KeysDown[GLFW_KEY_LEFT_ALT] || io.KeysDown[GLFW_KEY_RIGHT_ALT]; - io.KeySuper = io.KeysDown[GLFW_KEY_LEFT_SUPER] || io.KeysDown[GLFW_KEY_RIGHT_SUPER]; -} - -void ImGui_ImplGlfwVulkan_CharCallback(GLFWwindow*, unsigned int c) -{ - ImGuiIO& io = ImGui::GetIO(); - if (c > 0 && c < 0x10000) - io.AddInputCharacter((unsigned short)c); -} - -bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) -{ - ImGuiIO& io = ImGui::GetIO(); - - unsigned char* pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - size_t upload_size = width*height*4*sizeof(char); - - VkResult err; - - // Create the Image: - { - VkImageCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; - info.imageType = VK_IMAGE_TYPE_2D; - info.format = VK_FORMAT_R8G8B8A8_UNORM; - info.extent.width = width; - info.extent.height = height; - info.extent.depth = 1; - info.mipLevels = 1; - info.arrayLayers = 1; - info.samples = VK_SAMPLE_COUNT_1_BIT; - info.tiling = VK_IMAGE_TILING_OPTIMAL; - info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; - info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; - err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Create the Image View: - { - VkImageViewCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; - info.image = g_FontImage; - info.viewType = VK_IMAGE_VIEW_TYPE_2D; - info.format = VK_FORMAT_R8G8B8A8_UNORM; - info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - info.subresourceRange.levelCount = 1; - info.subresourceRange.layerCount = 1; - err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Update the Descriptor Set: - { - VkDescriptorImageInfo desc_image[1] = {}; - desc_image[0].sampler = g_FontSampler; - desc_image[0].imageView = g_FontView; - desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - VkWriteDescriptorSet write_desc[1] = {}; - write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; - write_desc[0].dstSet = g_DescriptorSet; - write_desc[0].descriptorCount = 1; - write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - write_desc[0].pImageInfo = desc_image; - vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); - } - - // Create the Upload Buffer: - { - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = upload_size; - buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Upload to Buffer: - { - char* map = NULL; - err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); - ImGui_ImplGlfwVulkan_VkResult(err); - memcpy(map, pixels, upload_size); - VkMappedMemoryRange range[1] = {}; - range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[0].memory = g_UploadBufferMemory; - range[0].size = upload_size; - err = vkFlushMappedMemoryRanges(g_Device, 1, range); - ImGui_ImplGlfwVulkan_VkResult(err); - vkUnmapMemory(g_Device, g_UploadBufferMemory); - } - // Copy to Image: - { - VkImageMemoryBarrier copy_barrier[1] = {}; - copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; - copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; - copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; - copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; - copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - copy_barrier[0].image = g_FontImage; - copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - copy_barrier[0].subresourceRange.levelCount = 1; - copy_barrier[0].subresourceRange.layerCount = 1; - vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); - - VkBufferImageCopy region = {}; - region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - region.imageSubresource.layerCount = 1; - region.imageExtent.width = width; - region.imageExtent.height = height; - region.imageExtent.depth = 1; - vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); - - VkImageMemoryBarrier use_barrier[1] = {}; - use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; - use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; - use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; - use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; - use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - use_barrier[0].image = g_FontImage; - use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - use_barrier[0].subresourceRange.levelCount = 1; - use_barrier[0].subresourceRange.layerCount = 1; - vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); - } - - // Store our identifier - io.Fonts->TexID = (void *)(intptr_t)g_FontImage; - - return true; -} - -bool ImGui_ImplGlfwVulkan_CreateDeviceObjects() -{ - VkResult err; - VkShaderModule vert_module; - VkShaderModule frag_module; - - // Create The Shader Modules: - { - VkShaderModuleCreateInfo vert_info = {}; - vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; - vert_info.codeSize = sizeof(__glsl_shader_vert_spv); - vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; - err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); - ImGui_ImplGlfwVulkan_VkResult(err); - VkShaderModuleCreateInfo frag_info = {}; - frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; - frag_info.codeSize = sizeof(__glsl_shader_frag_spv); - frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; - err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_FontSampler) - { - VkSamplerCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; - info.magFilter = VK_FILTER_LINEAR; - info.minFilter = VK_FILTER_LINEAR; - info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; - info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.minLod = -1000; - info.maxLod = 1000; - info.maxAnisotropy = 1.0f; - err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_DescriptorSetLayout) - { - VkSampler sampler[1] = {g_FontSampler}; - VkDescriptorSetLayoutBinding binding[1] = {}; - binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - binding[0].descriptorCount = 1; - binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; - binding[0].pImmutableSamplers = sampler; - VkDescriptorSetLayoutCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; - info.bindingCount = 1; - info.pBindings = binding; - err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Create Descriptor Set: - { - VkDescriptorSetAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; - alloc_info.descriptorPool = g_DescriptorPool; - alloc_info.descriptorSetCount = 1; - alloc_info.pSetLayouts = &g_DescriptorSetLayout; - err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_PipelineLayout) - { - VkPushConstantRange push_constants[1] = {}; - push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; - push_constants[0].offset = sizeof(float) * 0; - push_constants[0].size = sizeof(float) * 4; - VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; - VkPipelineLayoutCreateInfo layout_info = {}; - layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; - layout_info.setLayoutCount = 1; - layout_info.pSetLayouts = set_layout; - layout_info.pushConstantRangeCount = 1; - layout_info.pPushConstantRanges = push_constants; - err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - VkPipelineShaderStageCreateInfo stage[2] = {}; - stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; - stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; - stage[0].module = vert_module; - stage[0].pName = "main"; - stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; - stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; - stage[1].module = frag_module; - stage[1].pName = "main"; - - VkVertexInputBindingDescription binding_desc[1] = {}; - binding_desc[0].stride = sizeof(ImDrawVert); - binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; - - VkVertexInputAttributeDescription attribute_desc[3] = {}; - attribute_desc[0].location = 0; - attribute_desc[0].binding = binding_desc[0].binding; - attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; - attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); - attribute_desc[1].location = 1; - attribute_desc[1].binding = binding_desc[0].binding; - attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; - attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); - attribute_desc[2].location = 2; - attribute_desc[2].binding = binding_desc[0].binding; - attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; - attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); - - VkPipelineVertexInputStateCreateInfo vertex_info = {}; - vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; - vertex_info.vertexBindingDescriptionCount = 1; - vertex_info.pVertexBindingDescriptions = binding_desc; - vertex_info.vertexAttributeDescriptionCount = 3; - vertex_info.pVertexAttributeDescriptions = attribute_desc; - - VkPipelineInputAssemblyStateCreateInfo ia_info = {}; - ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; - ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; - - VkPipelineViewportStateCreateInfo viewport_info = {}; - viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; - viewport_info.viewportCount = 1; - viewport_info.scissorCount = 1; - - VkPipelineRasterizationStateCreateInfo raster_info = {}; - raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; - raster_info.polygonMode = VK_POLYGON_MODE_FILL; - raster_info.cullMode = VK_CULL_MODE_NONE; - raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; - raster_info.lineWidth = 1.0f; - - VkPipelineMultisampleStateCreateInfo ms_info = {}; - ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; - ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; - - VkPipelineColorBlendAttachmentState color_attachment[1] = {}; - color_attachment[0].blendEnable = VK_TRUE; - color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; - color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; - color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; - color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; - color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; - color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; - color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; - - VkPipelineDepthStencilStateCreateInfo depth_info = {}; - depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; - - VkPipelineColorBlendStateCreateInfo blend_info = {}; - blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; - blend_info.attachmentCount = 1; - blend_info.pAttachments = color_attachment; - - VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; - VkPipelineDynamicStateCreateInfo dynamic_state = {}; - dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; - dynamic_state.dynamicStateCount = 2; - dynamic_state.pDynamicStates = dynamic_states; - - VkGraphicsPipelineCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; - info.flags = g_PipelineCreateFlags; - info.stageCount = 2; - info.pStages = stage; - info.pVertexInputState = &vertex_info; - info.pInputAssemblyState = &ia_info; - info.pViewportState = &viewport_info; - info.pRasterizationState = &raster_info; - info.pMultisampleState = &ms_info; - info.pDepthStencilState = &depth_info; - info.pColorBlendState = &blend_info; - info.pDynamicState = &dynamic_state; - info.layout = g_PipelineLayout; - info.renderPass = g_RenderPass; - err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); - ImGui_ImplGlfwVulkan_VkResult(err); - - vkDestroyShaderModule(g_Device, vert_module, g_Allocator); - vkDestroyShaderModule(g_Device, frag_module, g_Allocator); - - return true; -} - -void ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects() -{ - if (g_UploadBuffer) - { - vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); - g_UploadBuffer = VK_NULL_HANDLE; - } - if (g_UploadBufferMemory) - { - vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); - g_UploadBufferMemory = VK_NULL_HANDLE; - } -} - -void ImGui_ImplGlfwVulkan_InvalidateDeviceObjects() -{ - ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); - - for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++) - { - if (g_VertexBuffer[i]) { vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); g_VertexBuffer[i] = VK_NULL_HANDLE; } - if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } - if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } - if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } - } - - if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } - if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } - if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } - if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } - if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } - if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } - if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } -} - -bool ImGui_ImplGlfwVulkan_Init(GLFWwindow* window, bool install_callbacks, ImGui_ImplGlfwVulkan_Init_Data *init_data) -{ - g_Allocator = init_data->allocator; - g_Gpu = init_data->gpu; - g_Device = init_data->device; - g_RenderPass = init_data->render_pass; - g_PipelineCache = init_data->pipeline_cache; - g_DescriptorPool = init_data->descriptor_pool; - g_CheckVkResult = init_data->check_vk_result; - - g_Window = window; - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. - io.KeyMap[ImGuiKey_LeftArrow] = GLFW_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = GLFW_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = GLFW_KEY_PAGE_UP; - io.KeyMap[ImGuiKey_PageDown] = GLFW_KEY_PAGE_DOWN; - io.KeyMap[ImGuiKey_Home] = GLFW_KEY_HOME; - io.KeyMap[ImGuiKey_End] = GLFW_KEY_END; - io.KeyMap[ImGuiKey_Insert] = GLFW_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = GLFW_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = GLFW_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = GLFW_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = GLFW_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = GLFW_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = GLFW_KEY_A; - io.KeyMap[ImGuiKey_C] = GLFW_KEY_C; - io.KeyMap[ImGuiKey_V] = GLFW_KEY_V; - io.KeyMap[ImGuiKey_X] = GLFW_KEY_X; - io.KeyMap[ImGuiKey_Y] = GLFW_KEY_Y; - io.KeyMap[ImGuiKey_Z] = GLFW_KEY_Z; - - io.SetClipboardTextFn = ImGui_ImplGlfwVulkan_SetClipboardText; - io.GetClipboardTextFn = ImGui_ImplGlfwVulkan_GetClipboardText; - io.ClipboardUserData = g_Window; -#ifdef _WIN32 - io.ImeWindowHandle = glfwGetWin32Window(g_Window); -#endif - - if (install_callbacks) - { - glfwSetMouseButtonCallback(window, ImGui_ImplGlfwVulkan_MouseButtonCallback); - glfwSetScrollCallback(window, ImGui_ImplGlfwVulkan_ScrollCallback); - glfwSetKeyCallback(window, ImGui_ImplGlfwVulkan_KeyCallback); - glfwSetCharCallback(window, ImGui_ImplGlfwVulkan_CharCallback); - } - - ImGui_ImplGlfwVulkan_CreateDeviceObjects(); - - return true; -} - -void ImGui_ImplGlfwVulkan_Shutdown() -{ - ImGui_ImplGlfwVulkan_InvalidateDeviceObjects(); -} - -void ImGui_ImplGlfwVulkan_NewFrame() -{ - ImGuiIO& io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - int display_w, display_h; - glfwGetWindowSize(g_Window, &w, &h); - glfwGetFramebufferSize(g_Window, &display_w, &display_h); - io.DisplaySize = ImVec2((float)w, (float)h); - io.DisplayFramebufferScale = ImVec2(w > 0 ? ((float)display_w / w) : 0, h > 0 ? ((float)display_h / h) : 0); - - // Setup time step - double current_time = glfwGetTime(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - // (we already got mouse wheel, keyboard keys & characters from glfw callbacks polled in glfwPollEvents()) - if (glfwGetWindowAttrib(g_Window, GLFW_FOCUSED)) - { - double mouse_x, mouse_y; - glfwGetCursorPos(g_Window, &mouse_x, &mouse_y); - io.MousePos = ImVec2((float)mouse_x, (float)mouse_y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX); - } - - for (int i = 0; i < 3; i++) - { - io.MouseDown[i] = g_MouseJustPressed[i] || glfwGetMouseButton(g_Window, i) != 0; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. - g_MouseJustPressed[i] = false; - } - - // Hide OS mouse cursor if ImGui is drawing it - glfwSetInputMode(g_Window, GLFW_CURSOR, io.MouseDrawCursor ? GLFW_CURSOR_HIDDEN : GLFW_CURSOR_NORMAL); - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} - -void ImGui_ImplGlfwVulkan_Render(VkCommandBuffer command_buffer) -{ - g_CommandBuffer = command_buffer; - ImGui::Render(); - ImGui_ImplGlfwVulkan_RenderDrawData(ImGui::GetDrawData()); - g_CommandBuffer = VK_NULL_HANDLE; - g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; -} diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp new file mode 100644 index 0000000..1162920 --- /dev/null +++ b/examples/imgui_impl_vulkan.cpp @@ -0,0 +1,719 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplVulkan_Render() calls ImGui_ImplVulkan_RenderDrawData() itself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. +// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. +// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. +// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). +// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. +// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. +// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. +// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. +// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. + +#include "imgui.h" +#include "imgui_impl_vulkan.h" + +// Vulkan Data +static VkAllocationCallbacks* g_Allocator = NULL; +static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static VkRenderPass g_RenderPass = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; +static void (*g_CheckVkResult)(VkResult err) = NULL; + +static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; +static VkDeviceSize g_BufferMemoryAlignment = 256; +static VkPipelineCreateFlags g_PipelineCreateFlags = 0; +static int g_FrameIndex = 0; + +static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; +static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; +static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; +static VkPipeline g_Pipeline = VK_NULL_HANDLE; + +static VkSampler g_FontSampler = VK_NULL_HANDLE; +static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; +static VkImage g_FontImage = VK_NULL_HANDLE; +static VkImageView g_FontView = VK_NULL_HANDLE; + +static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; + +static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; +static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; + +static uint32_t __glsl_shader_vert_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, + 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, + 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, + 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, + 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, + 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, + 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, + 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, + 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, + 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, + 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, + 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, + 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, + 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, + 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, + 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, + 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, + 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, + 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, + 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, + 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, + 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, + 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, + 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, + 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, + 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, + 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, + 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, + 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, + 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, + 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, + 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, + 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, + 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, + 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, + 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, + 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, + 0x0000002d,0x0000002c,0x000100fd,0x00010038 +}; + +static uint32_t __glsl_shader_frag_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, + 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, + 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, + 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, + 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, + 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, + 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, + 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, + 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, + 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, + 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, + 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, + 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, + 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, + 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, + 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, + 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, + 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, + 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, + 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, + 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, + 0x00010038 +}; + +static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) +{ + VkPhysicalDeviceMemoryProperties prop; + vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); + for (uint32_t i = 0; i < prop.memoryTypeCount; i++) + if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TotalVtxCount == 0) + return; + + // Create the Vertex Buffer: + size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); + if (!g_VertexBuffer[g_FrameIndex] || g_VertexBufferSize[g_FrameIndex] < vertex_size) + { + if (g_VertexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); + if (g_VertexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize vertex_buffer_size = ((vertex_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = vertex_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_VertexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_VertexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_VertexBuffer[g_FrameIndex], g_VertexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; + } + + // Create the Index Buffer: + size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); + if (!g_IndexBuffer[g_FrameIndex] || g_IndexBufferSize[g_FrameIndex] < index_size) + { + if (g_IndexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); + if (g_IndexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize index_buffer_size = ((index_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = index_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_IndexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_IndexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_IndexBuffer[g_FrameIndex], g_IndexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_IndexBufferSize[g_FrameIndex] = index_buffer_size; + } + + // Upload Vertex and index Data: + { + ImDrawVert* vtx_dst; + ImDrawIdx* idx_dst; + err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], 0, vertex_size, 0, (void**)(&vtx_dst)); + ImGui_ImplVulkan_VkResult(err); + err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (void**)(&idx_dst)); + ImGui_ImplVulkan_VkResult(err); + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.Size; + idx_dst += cmd_list->IdxBuffer.Size; + } + VkMappedMemoryRange range[2] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_VertexBufferMemory[g_FrameIndex]; + range[0].size = VK_WHOLE_SIZE; + range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[1].memory = g_IndexBufferMemory[g_FrameIndex]; + range[1].size = VK_WHOLE_SIZE; + err = vkFlushMappedMemoryRanges(g_Device, 2, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); + vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); + } + + // Bind pipeline and descriptor sets: + { + vkCmdBindPipeline(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); + VkDescriptorSet desc_set[1] = {g_DescriptorSet}; + vkCmdBindDescriptorSets(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); + } + + // Bind Vertex And Index Buffer: + { + VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; + VkDeviceSize vertex_offset[1] = {0}; + vkCmdBindVertexBuffers(g_CommandBuffer, 0, 1, vertex_buffers, vertex_offset); + vkCmdBindIndexBuffer(g_CommandBuffer, g_IndexBuffer[g_FrameIndex], 0, VK_INDEX_TYPE_UINT16); + } + + // Setup viewport: + { + VkViewport viewport; + viewport.x = 0; + viewport.y = 0; + viewport.width = ImGui::GetIO().DisplaySize.x; + viewport.height = ImGui::GetIO().DisplaySize.y; + viewport.minDepth = 0.0f; + viewport.maxDepth = 1.0f; + vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); + } + + // Setup scale and translation: + { + float scale[2]; + scale[0] = 2.0f/io.DisplaySize.x; + scale[1] = 2.0f/io.DisplaySize.y; + float translate[2]; + translate[0] = -1.0f; + translate[1] = -1.0f; + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); + } + + // Render the command lists: + int vtx_offset = 0; + int idx_offset = 0; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + VkRect2D scissor; + scissor.offset.x = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; + scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; + scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); + scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? + vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); + vkCmdDrawIndexed(g_CommandBuffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); + } + idx_offset += pcmd->ElemCount; + } + vtx_offset += cmd_list->VtxBuffer.Size; + } +} + +bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) +{ + ImGuiIO& io = ImGui::GetIO(); + + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + size_t upload_size = width*height*4*sizeof(char); + + VkResult err; + + // Create the Image: + { + VkImageCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; + info.imageType = VK_IMAGE_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.extent.width = width; + info.extent.height = height; + info.extent.depth = 1; + info.mipLevels = 1; + info.arrayLayers = 1; + info.samples = VK_SAMPLE_COUNT_1_BIT; + info.tiling = VK_IMAGE_TILING_OPTIMAL; + info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; + info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Create the Image View: + { + VkImageViewCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + info.image = g_FontImage; + info.viewType = VK_IMAGE_VIEW_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + info.subresourceRange.levelCount = 1; + info.subresourceRange.layerCount = 1; + err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); + ImGui_ImplVulkan_VkResult(err); + } + + // Update the Descriptor Set: + { + VkDescriptorImageInfo desc_image[1] = {}; + desc_image[0].sampler = g_FontSampler; + desc_image[0].imageView = g_FontView; + desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + VkWriteDescriptorSet write_desc[1] = {}; + write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_desc[0].dstSet = g_DescriptorSet; + write_desc[0].descriptorCount = 1; + write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + write_desc[0].pImageInfo = desc_image; + vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); + } + + // Create the Upload Buffer: + { + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = upload_size; + buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Upload to Buffer: + { + char* map = NULL; + err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); + ImGui_ImplVulkan_VkResult(err); + memcpy(map, pixels, upload_size); + VkMappedMemoryRange range[1] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_UploadBufferMemory; + range[0].size = upload_size; + err = vkFlushMappedMemoryRanges(g_Device, 1, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_UploadBufferMemory); + } + // Copy to Image: + { + VkImageMemoryBarrier copy_barrier[1] = {}; + copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; + copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].image = g_FontImage; + copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copy_barrier[0].subresourceRange.levelCount = 1; + copy_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); + + VkBufferImageCopy region = {}; + region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + region.imageSubresource.layerCount = 1; + region.imageExtent.width = width; + region.imageExtent.height = height; + region.imageExtent.depth = 1; + vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); + + VkImageMemoryBarrier use_barrier[1] = {}; + use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; + use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].image = g_FontImage; + use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + use_barrier[0].subresourceRange.levelCount = 1; + use_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); + } + + // Store our identifier + io.Fonts->TexID = (void *)(intptr_t)g_FontImage; + + return true; +} + +bool ImGui_ImplVulkan_CreateDeviceObjects() +{ + VkResult err; + VkShaderModule vert_module; + VkShaderModule frag_module; + + // Create The Shader Modules: + { + VkShaderModuleCreateInfo vert_info = {}; + vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + vert_info.codeSize = sizeof(__glsl_shader_vert_spv); + vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; + err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); + ImGui_ImplVulkan_VkResult(err); + VkShaderModuleCreateInfo frag_info = {}; + frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + frag_info.codeSize = sizeof(__glsl_shader_frag_spv); + frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; + err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_FontSampler) + { + VkSamplerCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; + info.magFilter = VK_FILTER_LINEAR; + info.minFilter = VK_FILTER_LINEAR; + info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.minLod = -1000; + info.maxLod = 1000; + info.maxAnisotropy = 1.0f; + err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_DescriptorSetLayout) + { + VkSampler sampler[1] = {g_FontSampler}; + VkDescriptorSetLayoutBinding binding[1] = {}; + binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + binding[0].descriptorCount = 1; + binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; + binding[0].pImmutableSamplers = sampler; + VkDescriptorSetLayoutCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; + info.bindingCount = 1; + info.pBindings = binding; + err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); + ImGui_ImplVulkan_VkResult(err); + } + + // Create Descriptor Set: + { + VkDescriptorSetAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = g_DescriptorPool; + alloc_info.descriptorSetCount = 1; + alloc_info.pSetLayouts = &g_DescriptorSetLayout; + err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_PipelineLayout) + { + VkPushConstantRange push_constants[1] = {}; + push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + push_constants[0].offset = sizeof(float) * 0; + push_constants[0].size = sizeof(float) * 4; + VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; + VkPipelineLayoutCreateInfo layout_info = {}; + layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; + layout_info.setLayoutCount = 1; + layout_info.pSetLayouts = set_layout; + layout_info.pushConstantRangeCount = 1; + layout_info.pPushConstantRanges = push_constants; + err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); + ImGui_ImplVulkan_VkResult(err); + } + + VkPipelineShaderStageCreateInfo stage[2] = {}; + stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; + stage[0].module = vert_module; + stage[0].pName = "main"; + stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; + stage[1].module = frag_module; + stage[1].pName = "main"; + + VkVertexInputBindingDescription binding_desc[1] = {}; + binding_desc[0].stride = sizeof(ImDrawVert); + binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; + + VkVertexInputAttributeDescription attribute_desc[3] = {}; + attribute_desc[0].location = 0; + attribute_desc[0].binding = binding_desc[0].binding; + attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); + attribute_desc[1].location = 1; + attribute_desc[1].binding = binding_desc[0].binding; + attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); + attribute_desc[2].location = 2; + attribute_desc[2].binding = binding_desc[0].binding; + attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; + attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); + + VkPipelineVertexInputStateCreateInfo vertex_info = {}; + vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; + vertex_info.vertexBindingDescriptionCount = 1; + vertex_info.pVertexBindingDescriptions = binding_desc; + vertex_info.vertexAttributeDescriptionCount = 3; + vertex_info.pVertexAttributeDescriptions = attribute_desc; + + VkPipelineInputAssemblyStateCreateInfo ia_info = {}; + ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; + ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; + + VkPipelineViewportStateCreateInfo viewport_info = {}; + viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; + viewport_info.viewportCount = 1; + viewport_info.scissorCount = 1; + + VkPipelineRasterizationStateCreateInfo raster_info = {}; + raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; + raster_info.polygonMode = VK_POLYGON_MODE_FILL; + raster_info.cullMode = VK_CULL_MODE_NONE; + raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; + raster_info.lineWidth = 1.0f; + + VkPipelineMultisampleStateCreateInfo ms_info = {}; + ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; + ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; + + VkPipelineColorBlendAttachmentState color_attachment[1] = {}; + color_attachment[0].blendEnable = VK_TRUE; + color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; + color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; + color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; + + VkPipelineDepthStencilStateCreateInfo depth_info = {}; + depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; + + VkPipelineColorBlendStateCreateInfo blend_info = {}; + blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; + blend_info.attachmentCount = 1; + blend_info.pAttachments = color_attachment; + + VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamic_state = {}; + dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; + dynamic_state.dynamicStateCount = 2; + dynamic_state.pDynamicStates = dynamic_states; + + VkGraphicsPipelineCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; + info.flags = g_PipelineCreateFlags; + info.stageCount = 2; + info.pStages = stage; + info.pVertexInputState = &vertex_info; + info.pInputAssemblyState = &ia_info; + info.pViewportState = &viewport_info; + info.pRasterizationState = &raster_info; + info.pMultisampleState = &ms_info; + info.pDepthStencilState = &depth_info; + info.pColorBlendState = &blend_info; + info.pDynamicState = &dynamic_state; + info.layout = g_PipelineLayout; + info.renderPass = g_RenderPass; + err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); + ImGui_ImplVulkan_VkResult(err); + + vkDestroyShaderModule(g_Device, vert_module, g_Allocator); + vkDestroyShaderModule(g_Device, frag_module, g_Allocator); + + return true; +} + +void ImGui_ImplVulkan_InvalidateFontUploadObjects() +{ + if (g_UploadBuffer) + { + vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); + g_UploadBuffer = VK_NULL_HANDLE; + } + if (g_UploadBufferMemory) + { + vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); + g_UploadBufferMemory = VK_NULL_HANDLE; + } +} + +void ImGui_ImplVulkan_InvalidateDeviceObjects() +{ + ImGui_ImplVulkan_InvalidateFontUploadObjects(); + + for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++) + { + if (g_VertexBuffer[i]) { vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); g_VertexBuffer[i] = VK_NULL_HANDLE; } + if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } + if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } + if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } + } + + if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } + if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } + if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } + if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } + if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } + if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } + if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } +} + +bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data) +{ + g_Allocator = init_data->allocator; + g_Gpu = init_data->gpu; + g_Device = init_data->device; + g_RenderPass = init_data->render_pass; + g_PipelineCache = init_data->pipeline_cache; + g_DescriptorPool = init_data->descriptor_pool; + g_CheckVkResult = init_data->check_vk_result; + + ImGui_ImplVulkan_CreateDeviceObjects(); + + return true; +} + +void ImGui_ImplVulkan_Shutdown() +{ + ImGui_ImplVulkan_InvalidateDeviceObjects(); +} + +void ImGui_ImplVulkan_NewFrame() +{ +} + +void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer) +{ + g_CommandBuffer = command_buffer; + ImGui::Render(); + ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData()); + g_CommandBuffer = VK_NULL_HANDLE; + g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; +} diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h new file mode 100644 index 0000000..0a0e9be --- /dev/null +++ b/examples/imgui_impl_vulkan.h @@ -0,0 +1,35 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#include + +#define IMGUI_VK_QUEUED_FRAMES 2 + +struct ImGui_ImplVulkan_InitData +{ + VkAllocationCallbacks* allocator; + VkPhysicalDevice gpu; + VkDevice device; + VkRenderPass render_pass; + VkPipelineCache pipeline_cache; + VkDescriptorPool descriptor_pool; + void (*check_vk_result)(VkResult err); +}; + +IMGUI_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data); +IMGUI_API void ImGui_ImplVulkan_Shutdown(); +IMGUI_API void ImGui_ImplVulkan_NewFrame(); +IMGUI_API void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer); + +// Called by Init/NewFrame/Shutdown +IMGUI_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); +IMGUI_API void ImGui_ImplVulkan_InvalidateDeviceObjects(); +IMGUI_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); +IMGUI_API bool ImGui_ImplVulkan_CreateDeviceObjects(); diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp deleted file mode 100644 index 31f22e8..0000000 --- a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp +++ /dev/null @@ -1,859 +0,0 @@ -// ImGui GLFW binding with Vulkan + shaders - -// Missing features: -// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplGlfwVulkan_Render() calls ImGui_ImplGlfwVulkan_RenderDrawData() itself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. -// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. -// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. -// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). -// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. -// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. -// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. -// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. -// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. - -#include "imgui.h" -#include "imgui_impl_glfw_vulkan.h" - -// GLFW -#define GLFW_INCLUDE_NONE -#define GLFW_INCLUDE_VULKAN -#include -#ifdef _WIN32 -#undef APIENTRY -#define GLFW_EXPOSE_NATIVE_WIN32 -#define GLFW_EXPOSE_NATIVE_WGL -#include -#endif - -// GLFW Data -static GLFWwindow* g_Window = NULL; -static double g_Time = 0.0f; -static bool g_MouseJustPressed[3] = { false, false, false }; - -// Vulkan Data -static VkAllocationCallbacks* g_Allocator = NULL; -static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; -static VkDevice g_Device = VK_NULL_HANDLE; -static VkRenderPass g_RenderPass = VK_NULL_HANDLE; -static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; -static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; -static void (*g_CheckVkResult)(VkResult err) = NULL; - -static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; -static VkDeviceSize g_BufferMemoryAlignment = 256; -static VkPipelineCreateFlags g_PipelineCreateFlags = 0; -static int g_FrameIndex = 0; - -static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; -static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; -static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; -static VkPipeline g_Pipeline = VK_NULL_HANDLE; - -static VkSampler g_FontSampler = VK_NULL_HANDLE; -static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; -static VkImage g_FontImage = VK_NULL_HANDLE; -static VkImageView g_FontView = VK_NULL_HANDLE; - -static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceSize g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; - -static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; -static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; - -static uint32_t __glsl_shader_vert_spv[] = -{ - 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, - 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, - 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, - 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, - 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, - 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, - 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, - 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, - 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, - 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, - 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, - 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, - 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, - 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, - 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, - 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, - 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, - 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, - 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, - 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, - 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, - 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, - 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, - 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, - 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, - 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, - 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, - 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, - 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, - 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, - 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, - 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, - 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, - 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, - 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, - 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, - 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, - 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, - 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, - 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, - 0x0000002d,0x0000002c,0x000100fd,0x00010038 -}; - -static uint32_t __glsl_shader_frag_spv[] = -{ - 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, - 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, - 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, - 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, - 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, - 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, - 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, - 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, - 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, - 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, - 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, - 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, - 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, - 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, - 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, - 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, - 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, - 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, - 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, - 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, - 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, - 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, - 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, - 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, - 0x00010038 -}; - -static uint32_t ImGui_ImplGlfwVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) -{ - VkPhysicalDeviceMemoryProperties prop; - vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); - for (uint32_t i = 0; i < prop.memoryTypeCount; i++) - if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TotalVtxCount == 0) - return; - - // Create the Vertex Buffer: - size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); - if (!g_VertexBuffer[g_FrameIndex] || g_VertexBufferSize[g_FrameIndex] < vertex_size) - { - if (g_VertexBuffer[g_FrameIndex]) - vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); - if (g_VertexBufferMemory[g_FrameIndex]) - vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); - VkDeviceSize vertex_buffer_size = ((vertex_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = vertex_buffer_size; - buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_VertexBuffer[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_VertexBufferMemory[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_VertexBuffer[g_FrameIndex], g_VertexBufferMemory[g_FrameIndex], 0); - ImGui_ImplGlfwVulkan_VkResult(err); - g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; - } - - // Create the Index Buffer: - size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); - if (!g_IndexBuffer[g_FrameIndex] || g_IndexBufferSize[g_FrameIndex] < index_size) - { - if (g_IndexBuffer[g_FrameIndex]) - vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); - if (g_IndexBufferMemory[g_FrameIndex]) - vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); - VkDeviceSize index_buffer_size = ((index_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = index_buffer_size; - buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_IndexBuffer[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_IndexBufferMemory[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_IndexBuffer[g_FrameIndex], g_IndexBufferMemory[g_FrameIndex], 0); - ImGui_ImplGlfwVulkan_VkResult(err); - g_IndexBufferSize[g_FrameIndex] = index_buffer_size; - } - - // Upload Vertex and index Data: - { - ImDrawVert* vtx_dst; - ImDrawIdx* idx_dst; - err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], 0, vertex_size, 0, (void**)(&vtx_dst)); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (void**)(&idx_dst)); - ImGui_ImplGlfwVulkan_VkResult(err); - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); - memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); - vtx_dst += cmd_list->VtxBuffer.Size; - idx_dst += cmd_list->IdxBuffer.Size; - } - VkMappedMemoryRange range[2] = {}; - range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[0].memory = g_VertexBufferMemory[g_FrameIndex]; - range[0].size = VK_WHOLE_SIZE; - range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[1].memory = g_IndexBufferMemory[g_FrameIndex]; - range[1].size = VK_WHOLE_SIZE; - err = vkFlushMappedMemoryRanges(g_Device, 2, range); - ImGui_ImplGlfwVulkan_VkResult(err); - vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); - vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); - } - - // Bind pipeline and descriptor sets: - { - vkCmdBindPipeline(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); - VkDescriptorSet desc_set[1] = {g_DescriptorSet}; - vkCmdBindDescriptorSets(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); - } - - // Bind Vertex And Index Buffer: - { - VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; - VkDeviceSize vertex_offset[1] = {0}; - vkCmdBindVertexBuffers(g_CommandBuffer, 0, 1, vertex_buffers, vertex_offset); - vkCmdBindIndexBuffer(g_CommandBuffer, g_IndexBuffer[g_FrameIndex], 0, VK_INDEX_TYPE_UINT16); - } - - // Setup viewport: - { - VkViewport viewport; - viewport.x = 0; - viewport.y = 0; - viewport.width = ImGui::GetIO().DisplaySize.x; - viewport.height = ImGui::GetIO().DisplaySize.y; - viewport.minDepth = 0.0f; - viewport.maxDepth = 1.0f; - vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); - } - - // Setup scale and translation: - { - float scale[2]; - scale[0] = 2.0f/io.DisplaySize.x; - scale[1] = 2.0f/io.DisplaySize.y; - float translate[2]; - translate[0] = -1.0f; - translate[1] = -1.0f; - vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); - vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); - } - - // Render the command lists: - int vtx_offset = 0; - int idx_offset = 0; - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - VkRect2D scissor; - scissor.offset.x = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; - scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; - scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); - scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? - vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); - vkCmdDrawIndexed(g_CommandBuffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); - } - idx_offset += pcmd->ElemCount; - } - vtx_offset += cmd_list->VtxBuffer.Size; - } -} - -static const char* ImGui_ImplGlfwVulkan_GetClipboardText(void* user_data) -{ - return glfwGetClipboardString((GLFWwindow*)user_data); -} - -static void ImGui_ImplGlfwVulkan_SetClipboardText(void* user_data, const char* text) -{ - glfwSetClipboardString((GLFWwindow*)user_data, text); -} - -void ImGui_ImplGlfwVulkan_MouseButtonCallback(GLFWwindow*, int button, int action, int /*mods*/) -{ - if (action == GLFW_PRESS && button >= 0 && button < 3) - g_MouseJustPressed[button] = true; -} - -void ImGui_ImplGlfwVulkan_ScrollCallback(GLFWwindow*, double xoffset, double yoffset) -{ - ImGuiIO& io = ImGui::GetIO(); - io.MouseWheelH += (float)xoffset; - io.MouseWheel += (float)yoffset; -} - -void ImGui_ImplGlfwVulkan_KeyCallback(GLFWwindow*, int key, int, int action, int mods) -{ - ImGuiIO& io = ImGui::GetIO(); - if (action == GLFW_PRESS) - io.KeysDown[key] = true; - if (action == GLFW_RELEASE) - io.KeysDown[key] = false; - - (void)mods; // Modifiers are not reliable across systems - io.KeyCtrl = io.KeysDown[GLFW_KEY_LEFT_CONTROL] || io.KeysDown[GLFW_KEY_RIGHT_CONTROL]; - io.KeyShift = io.KeysDown[GLFW_KEY_LEFT_SHIFT] || io.KeysDown[GLFW_KEY_RIGHT_SHIFT]; - io.KeyAlt = io.KeysDown[GLFW_KEY_LEFT_ALT] || io.KeysDown[GLFW_KEY_RIGHT_ALT]; - io.KeySuper = io.KeysDown[GLFW_KEY_LEFT_SUPER] || io.KeysDown[GLFW_KEY_RIGHT_SUPER]; -} - -void ImGui_ImplGlfwVulkan_CharCallback(GLFWwindow*, unsigned int c) -{ - ImGuiIO& io = ImGui::GetIO(); - if (c > 0 && c < 0x10000) - io.AddInputCharacter((unsigned short)c); -} - -bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) -{ - ImGuiIO& io = ImGui::GetIO(); - - unsigned char* pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - size_t upload_size = width*height*4*sizeof(char); - - VkResult err; - - // Create the Image: - { - VkImageCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; - info.imageType = VK_IMAGE_TYPE_2D; - info.format = VK_FORMAT_R8G8B8A8_UNORM; - info.extent.width = width; - info.extent.height = height; - info.extent.depth = 1; - info.mipLevels = 1; - info.arrayLayers = 1; - info.samples = VK_SAMPLE_COUNT_1_BIT; - info.tiling = VK_IMAGE_TILING_OPTIMAL; - info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; - info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; - err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Create the Image View: - { - VkImageViewCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; - info.image = g_FontImage; - info.viewType = VK_IMAGE_VIEW_TYPE_2D; - info.format = VK_FORMAT_R8G8B8A8_UNORM; - info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - info.subresourceRange.levelCount = 1; - info.subresourceRange.layerCount = 1; - err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Update the Descriptor Set: - { - VkDescriptorImageInfo desc_image[1] = {}; - desc_image[0].sampler = g_FontSampler; - desc_image[0].imageView = g_FontView; - desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - VkWriteDescriptorSet write_desc[1] = {}; - write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; - write_desc[0].dstSet = g_DescriptorSet; - write_desc[0].descriptorCount = 1; - write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - write_desc[0].pImageInfo = desc_image; - vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); - } - - // Create the Upload Buffer: - { - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = upload_size; - buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Upload to Buffer: - { - char* map = NULL; - err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); - ImGui_ImplGlfwVulkan_VkResult(err); - memcpy(map, pixels, upload_size); - VkMappedMemoryRange range[1] = {}; - range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[0].memory = g_UploadBufferMemory; - range[0].size = upload_size; - err = vkFlushMappedMemoryRanges(g_Device, 1, range); - ImGui_ImplGlfwVulkan_VkResult(err); - vkUnmapMemory(g_Device, g_UploadBufferMemory); - } - // Copy to Image: - { - VkImageMemoryBarrier copy_barrier[1] = {}; - copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; - copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; - copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; - copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; - copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - copy_barrier[0].image = g_FontImage; - copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - copy_barrier[0].subresourceRange.levelCount = 1; - copy_barrier[0].subresourceRange.layerCount = 1; - vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); - - VkBufferImageCopy region = {}; - region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - region.imageSubresource.layerCount = 1; - region.imageExtent.width = width; - region.imageExtent.height = height; - region.imageExtent.depth = 1; - vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); - - VkImageMemoryBarrier use_barrier[1] = {}; - use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; - use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; - use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; - use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; - use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - use_barrier[0].image = g_FontImage; - use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - use_barrier[0].subresourceRange.levelCount = 1; - use_barrier[0].subresourceRange.layerCount = 1; - vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); - } - - // Store our identifier - io.Fonts->TexID = (void *)(intptr_t)g_FontImage; - - return true; -} - -bool ImGui_ImplGlfwVulkan_CreateDeviceObjects() -{ - VkResult err; - VkShaderModule vert_module; - VkShaderModule frag_module; - - // Create The Shader Modules: - { - VkShaderModuleCreateInfo vert_info = {}; - vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; - vert_info.codeSize = sizeof(__glsl_shader_vert_spv); - vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; - err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); - ImGui_ImplGlfwVulkan_VkResult(err); - VkShaderModuleCreateInfo frag_info = {}; - frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; - frag_info.codeSize = sizeof(__glsl_shader_frag_spv); - frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; - err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_FontSampler) - { - VkSamplerCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; - info.magFilter = VK_FILTER_LINEAR; - info.minFilter = VK_FILTER_LINEAR; - info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; - info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.minLod = -1000; - info.maxLod = 1000; - info.maxAnisotropy = 1.0f; - err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_DescriptorSetLayout) - { - VkSampler sampler[1] = {g_FontSampler}; - VkDescriptorSetLayoutBinding binding[1] = {}; - binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - binding[0].descriptorCount = 1; - binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; - binding[0].pImmutableSamplers = sampler; - VkDescriptorSetLayoutCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; - info.bindingCount = 1; - info.pBindings = binding; - err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Create Descriptor Set: - { - VkDescriptorSetAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; - alloc_info.descriptorPool = g_DescriptorPool; - alloc_info.descriptorSetCount = 1; - alloc_info.pSetLayouts = &g_DescriptorSetLayout; - err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_PipelineLayout) - { - VkPushConstantRange push_constants[1] = {}; - push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; - push_constants[0].offset = sizeof(float) * 0; - push_constants[0].size = sizeof(float) * 4; - VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; - VkPipelineLayoutCreateInfo layout_info = {}; - layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; - layout_info.setLayoutCount = 1; - layout_info.pSetLayouts = set_layout; - layout_info.pushConstantRangeCount = 1; - layout_info.pPushConstantRanges = push_constants; - err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - VkPipelineShaderStageCreateInfo stage[2] = {}; - stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; - stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; - stage[0].module = vert_module; - stage[0].pName = "main"; - stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; - stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; - stage[1].module = frag_module; - stage[1].pName = "main"; - - VkVertexInputBindingDescription binding_desc[1] = {}; - binding_desc[0].stride = sizeof(ImDrawVert); - binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; - - VkVertexInputAttributeDescription attribute_desc[3] = {}; - attribute_desc[0].location = 0; - attribute_desc[0].binding = binding_desc[0].binding; - attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; - attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); - attribute_desc[1].location = 1; - attribute_desc[1].binding = binding_desc[0].binding; - attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; - attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); - attribute_desc[2].location = 2; - attribute_desc[2].binding = binding_desc[0].binding; - attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; - attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); - - VkPipelineVertexInputStateCreateInfo vertex_info = {}; - vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; - vertex_info.vertexBindingDescriptionCount = 1; - vertex_info.pVertexBindingDescriptions = binding_desc; - vertex_info.vertexAttributeDescriptionCount = 3; - vertex_info.pVertexAttributeDescriptions = attribute_desc; - - VkPipelineInputAssemblyStateCreateInfo ia_info = {}; - ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; - ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; - - VkPipelineViewportStateCreateInfo viewport_info = {}; - viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; - viewport_info.viewportCount = 1; - viewport_info.scissorCount = 1; - - VkPipelineRasterizationStateCreateInfo raster_info = {}; - raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; - raster_info.polygonMode = VK_POLYGON_MODE_FILL; - raster_info.cullMode = VK_CULL_MODE_NONE; - raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; - raster_info.lineWidth = 1.0f; - - VkPipelineMultisampleStateCreateInfo ms_info = {}; - ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; - ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; - - VkPipelineColorBlendAttachmentState color_attachment[1] = {}; - color_attachment[0].blendEnable = VK_TRUE; - color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; - color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; - color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; - color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; - color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; - color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; - color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; - - VkPipelineDepthStencilStateCreateInfo depth_info = {}; - depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; - - VkPipelineColorBlendStateCreateInfo blend_info = {}; - blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; - blend_info.attachmentCount = 1; - blend_info.pAttachments = color_attachment; - - VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; - VkPipelineDynamicStateCreateInfo dynamic_state = {}; - dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; - dynamic_state.dynamicStateCount = 2; - dynamic_state.pDynamicStates = dynamic_states; - - VkGraphicsPipelineCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; - info.flags = g_PipelineCreateFlags; - info.stageCount = 2; - info.pStages = stage; - info.pVertexInputState = &vertex_info; - info.pInputAssemblyState = &ia_info; - info.pViewportState = &viewport_info; - info.pRasterizationState = &raster_info; - info.pMultisampleState = &ms_info; - info.pDepthStencilState = &depth_info; - info.pColorBlendState = &blend_info; - info.pDynamicState = &dynamic_state; - info.layout = g_PipelineLayout; - info.renderPass = g_RenderPass; - err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); - ImGui_ImplGlfwVulkan_VkResult(err); - - vkDestroyShaderModule(g_Device, vert_module, g_Allocator); - vkDestroyShaderModule(g_Device, frag_module, g_Allocator); - - return true; -} - -void ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects() -{ - if (g_UploadBuffer) - { - vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); - g_UploadBuffer = VK_NULL_HANDLE; - } - if (g_UploadBufferMemory) - { - vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); - g_UploadBufferMemory = VK_NULL_HANDLE; - } -} - -void ImGui_ImplGlfwVulkan_InvalidateDeviceObjects() -{ - ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); - - for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++) - { - if (g_VertexBuffer[i]) { vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); g_VertexBuffer[i] = VK_NULL_HANDLE; } - if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } - if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } - if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } - } - - if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } - if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } - if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } - if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } - if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } - if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } - if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } -} - -bool ImGui_ImplGlfwVulkan_Init(GLFWwindow* window, bool install_callbacks, ImGui_ImplGlfwVulkan_Init_Data *init_data) -{ - g_Allocator = init_data->allocator; - g_Gpu = init_data->gpu; - g_Device = init_data->device; - g_RenderPass = init_data->render_pass; - g_PipelineCache = init_data->pipeline_cache; - g_DescriptorPool = init_data->descriptor_pool; - g_CheckVkResult = init_data->check_vk_result; - - g_Window = window; - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. - io.KeyMap[ImGuiKey_LeftArrow] = GLFW_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = GLFW_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = GLFW_KEY_PAGE_UP; - io.KeyMap[ImGuiKey_PageDown] = GLFW_KEY_PAGE_DOWN; - io.KeyMap[ImGuiKey_Home] = GLFW_KEY_HOME; - io.KeyMap[ImGuiKey_End] = GLFW_KEY_END; - io.KeyMap[ImGuiKey_Insert] = GLFW_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = GLFW_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = GLFW_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = GLFW_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = GLFW_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = GLFW_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = GLFW_KEY_A; - io.KeyMap[ImGuiKey_C] = GLFW_KEY_C; - io.KeyMap[ImGuiKey_V] = GLFW_KEY_V; - io.KeyMap[ImGuiKey_X] = GLFW_KEY_X; - io.KeyMap[ImGuiKey_Y] = GLFW_KEY_Y; - io.KeyMap[ImGuiKey_Z] = GLFW_KEY_Z; - - io.SetClipboardTextFn = ImGui_ImplGlfwVulkan_SetClipboardText; - io.GetClipboardTextFn = ImGui_ImplGlfwVulkan_GetClipboardText; - io.ClipboardUserData = g_Window; -#ifdef _WIN32 - io.ImeWindowHandle = glfwGetWin32Window(g_Window); -#endif - - if (install_callbacks) - { - glfwSetMouseButtonCallback(window, ImGui_ImplGlfwVulkan_MouseButtonCallback); - glfwSetScrollCallback(window, ImGui_ImplGlfwVulkan_ScrollCallback); - glfwSetKeyCallback(window, ImGui_ImplGlfwVulkan_KeyCallback); - glfwSetCharCallback(window, ImGui_ImplGlfwVulkan_CharCallback); - } - - ImGui_ImplGlfwVulkan_CreateDeviceObjects(); - - return true; -} - -void ImGui_ImplGlfwVulkan_Shutdown() -{ - ImGui_ImplGlfwVulkan_InvalidateDeviceObjects(); -} - -void ImGui_ImplGlfwVulkan_NewFrame() -{ - ImGuiIO& io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - int display_w, display_h; - glfwGetWindowSize(g_Window, &w, &h); - glfwGetFramebufferSize(g_Window, &display_w, &display_h); - io.DisplaySize = ImVec2((float)w, (float)h); - io.DisplayFramebufferScale = ImVec2(w > 0 ? ((float)display_w / w) : 0, h > 0 ? ((float)display_h / h) : 0); - - // Setup time step - double current_time = glfwGetTime(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - // (we already got mouse wheel, keyboard keys & characters from glfw callbacks polled in glfwPollEvents()) - if (glfwGetWindowAttrib(g_Window, GLFW_FOCUSED)) - { - double mouse_x, mouse_y; - glfwGetCursorPos(g_Window, &mouse_x, &mouse_y); - io.MousePos = ImVec2((float)mouse_x, (float)mouse_y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX); - } - - for (int i = 0; i < 3; i++) - { - io.MouseDown[i] = g_MouseJustPressed[i] || glfwGetMouseButton(g_Window, i) != 0; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. - g_MouseJustPressed[i] = false; - } - - // Hide OS mouse cursor if ImGui is drawing it - glfwSetInputMode(g_Window, GLFW_CURSOR, io.MouseDrawCursor ? GLFW_CURSOR_HIDDEN : GLFW_CURSOR_NORMAL); - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} - -void ImGui_ImplGlfwVulkan_Render(VkCommandBuffer command_buffer) -{ - g_CommandBuffer = command_buffer; - ImGui::Render(); - ImGui_ImplGlfwVulkan_RenderDrawData(ImGui::GetDrawData()); - g_CommandBuffer = VK_NULL_HANDLE; - g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; -} diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.h b/examples/vulkan_example/imgui_impl_glfw_vulkan.h deleted file mode 100644 index 54918d3..0000000 --- a/examples/vulkan_example/imgui_impl_glfw_vulkan.h +++ /dev/null @@ -1,46 +0,0 @@ -// ImGui GLFW binding with Vulkan + shaders - -// Missing features: -// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -struct GLFWwindow; - -#include - -#define IMGUI_VK_QUEUED_FRAMES 2 - -struct ImGui_ImplGlfwVulkan_Init_Data -{ - VkAllocationCallbacks* allocator; - VkPhysicalDevice gpu; - VkDevice device; - VkRenderPass render_pass; - VkPipelineCache pipeline_cache; - VkDescriptorPool descriptor_pool; - void (*check_vk_result)(VkResult err); -}; - -IMGUI_API bool ImGui_ImplGlfwVulkan_Init(GLFWwindow* window, bool install_callbacks, ImGui_ImplGlfwVulkan_Init_Data *init_data); -IMGUI_API void ImGui_ImplGlfwVulkan_Shutdown(); -IMGUI_API void ImGui_ImplGlfwVulkan_NewFrame(); -IMGUI_API void ImGui_ImplGlfwVulkan_Render(VkCommandBuffer command_buffer); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API void ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); -IMGUI_API void ImGui_ImplGlfwVulkan_InvalidateDeviceObjects(); -IMGUI_API bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); -IMGUI_API bool ImGui_ImplGlfwVulkan_CreateDeviceObjects(); - -// GLFW callbacks (installed by default if you enable 'install_callbacks' during initialization) -// Provided here if you want to chain callbacks. -// You can also handle inputs yourself and use those as a reference. -IMGUI_API void ImGui_ImplGlfwVulkan_MouseButtonCallback(GLFWwindow* window, int button, int action, int mods); -IMGUI_API void ImGui_ImplGlfwVulkan_ScrollCallback(GLFWwindow* window, double xoffset, double yoffset); -IMGUI_API void ImGui_ImplGlfwVulkan_KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods); -IMGUI_API void ImGui_ImplGlfwVulkan_CharCallback(GLFWwindow* window, unsigned int c); - diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp new file mode 100644 index 0000000..1162920 --- /dev/null +++ b/examples/imgui_impl_vulkan.cpp @@ -0,0 +1,719 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplVulkan_Render() calls ImGui_ImplVulkan_RenderDrawData() itself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. +// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. +// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. +// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). +// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. +// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. +// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. +// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. +// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. + +#include "imgui.h" +#include "imgui_impl_vulkan.h" + +// Vulkan Data +static VkAllocationCallbacks* g_Allocator = NULL; +static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static VkRenderPass g_RenderPass = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; +static void (*g_CheckVkResult)(VkResult err) = NULL; + +static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; +static VkDeviceSize g_BufferMemoryAlignment = 256; +static VkPipelineCreateFlags g_PipelineCreateFlags = 0; +static int g_FrameIndex = 0; + +static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; +static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; +static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; +static VkPipeline g_Pipeline = VK_NULL_HANDLE; + +static VkSampler g_FontSampler = VK_NULL_HANDLE; +static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; +static VkImage g_FontImage = VK_NULL_HANDLE; +static VkImageView g_FontView = VK_NULL_HANDLE; + +static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; + +static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; +static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; + +static uint32_t __glsl_shader_vert_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, + 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, + 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, + 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, + 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, + 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, + 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, + 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, + 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, + 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, + 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, + 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, + 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, + 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, + 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, + 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, + 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, + 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, + 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, + 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, + 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, + 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, + 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, + 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, + 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, + 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, + 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, + 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, + 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, + 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, + 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, + 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, + 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, + 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, + 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, + 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, + 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, + 0x0000002d,0x0000002c,0x000100fd,0x00010038 +}; + +static uint32_t __glsl_shader_frag_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, + 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, + 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, + 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, + 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, + 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, + 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, + 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, + 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, + 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, + 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, + 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, + 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, + 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, + 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, + 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, + 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, + 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, + 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, + 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, + 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, + 0x00010038 +}; + +static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) +{ + VkPhysicalDeviceMemoryProperties prop; + vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); + for (uint32_t i = 0; i < prop.memoryTypeCount; i++) + if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TotalVtxCount == 0) + return; + + // Create the Vertex Buffer: + size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); + if (!g_VertexBuffer[g_FrameIndex] || g_VertexBufferSize[g_FrameIndex] < vertex_size) + { + if (g_VertexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); + if (g_VertexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize vertex_buffer_size = ((vertex_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = vertex_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_VertexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_VertexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_VertexBuffer[g_FrameIndex], g_VertexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; + } + + // Create the Index Buffer: + size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); + if (!g_IndexBuffer[g_FrameIndex] || g_IndexBufferSize[g_FrameIndex] < index_size) + { + if (g_IndexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); + if (g_IndexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize index_buffer_size = ((index_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = index_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_IndexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_IndexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_IndexBuffer[g_FrameIndex], g_IndexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_IndexBufferSize[g_FrameIndex] = index_buffer_size; + } + + // Upload Vertex and index Data: + { + ImDrawVert* vtx_dst; + ImDrawIdx* idx_dst; + err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], 0, vertex_size, 0, (void**)(&vtx_dst)); + ImGui_ImplVulkan_VkResult(err); + err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (void**)(&idx_dst)); + ImGui_ImplVulkan_VkResult(err); + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.Size; + idx_dst += cmd_list->IdxBuffer.Size; + } + VkMappedMemoryRange range[2] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_VertexBufferMemory[g_FrameIndex]; + range[0].size = VK_WHOLE_SIZE; + range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[1].memory = g_IndexBufferMemory[g_FrameIndex]; + range[1].size = VK_WHOLE_SIZE; + err = vkFlushMappedMemoryRanges(g_Device, 2, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); + vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); + } + + // Bind pipeline and descriptor sets: + { + vkCmdBindPipeline(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); + VkDescriptorSet desc_set[1] = {g_DescriptorSet}; + vkCmdBindDescriptorSets(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); + } + + // Bind Vertex And Index Buffer: + { + VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; + VkDeviceSize vertex_offset[1] = {0}; + vkCmdBindVertexBuffers(g_CommandBuffer, 0, 1, vertex_buffers, vertex_offset); + vkCmdBindIndexBuffer(g_CommandBuffer, g_IndexBuffer[g_FrameIndex], 0, VK_INDEX_TYPE_UINT16); + } + + // Setup viewport: + { + VkViewport viewport; + viewport.x = 0; + viewport.y = 0; + viewport.width = ImGui::GetIO().DisplaySize.x; + viewport.height = ImGui::GetIO().DisplaySize.y; + viewport.minDepth = 0.0f; + viewport.maxDepth = 1.0f; + vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); + } + + // Setup scale and translation: + { + float scale[2]; + scale[0] = 2.0f/io.DisplaySize.x; + scale[1] = 2.0f/io.DisplaySize.y; + float translate[2]; + translate[0] = -1.0f; + translate[1] = -1.0f; + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); + } + + // Render the command lists: + int vtx_offset = 0; + int idx_offset = 0; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + VkRect2D scissor; + scissor.offset.x = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; + scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; + scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); + scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? + vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); + vkCmdDrawIndexed(g_CommandBuffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); + } + idx_offset += pcmd->ElemCount; + } + vtx_offset += cmd_list->VtxBuffer.Size; + } +} + +bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) +{ + ImGuiIO& io = ImGui::GetIO(); + + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + size_t upload_size = width*height*4*sizeof(char); + + VkResult err; + + // Create the Image: + { + VkImageCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; + info.imageType = VK_IMAGE_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.extent.width = width; + info.extent.height = height; + info.extent.depth = 1; + info.mipLevels = 1; + info.arrayLayers = 1; + info.samples = VK_SAMPLE_COUNT_1_BIT; + info.tiling = VK_IMAGE_TILING_OPTIMAL; + info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; + info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Create the Image View: + { + VkImageViewCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + info.image = g_FontImage; + info.viewType = VK_IMAGE_VIEW_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + info.subresourceRange.levelCount = 1; + info.subresourceRange.layerCount = 1; + err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); + ImGui_ImplVulkan_VkResult(err); + } + + // Update the Descriptor Set: + { + VkDescriptorImageInfo desc_image[1] = {}; + desc_image[0].sampler = g_FontSampler; + desc_image[0].imageView = g_FontView; + desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + VkWriteDescriptorSet write_desc[1] = {}; + write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_desc[0].dstSet = g_DescriptorSet; + write_desc[0].descriptorCount = 1; + write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + write_desc[0].pImageInfo = desc_image; + vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); + } + + // Create the Upload Buffer: + { + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = upload_size; + buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Upload to Buffer: + { + char* map = NULL; + err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); + ImGui_ImplVulkan_VkResult(err); + memcpy(map, pixels, upload_size); + VkMappedMemoryRange range[1] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_UploadBufferMemory; + range[0].size = upload_size; + err = vkFlushMappedMemoryRanges(g_Device, 1, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_UploadBufferMemory); + } + // Copy to Image: + { + VkImageMemoryBarrier copy_barrier[1] = {}; + copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; + copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].image = g_FontImage; + copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copy_barrier[0].subresourceRange.levelCount = 1; + copy_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); + + VkBufferImageCopy region = {}; + region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + region.imageSubresource.layerCount = 1; + region.imageExtent.width = width; + region.imageExtent.height = height; + region.imageExtent.depth = 1; + vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); + + VkImageMemoryBarrier use_barrier[1] = {}; + use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; + use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].image = g_FontImage; + use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + use_barrier[0].subresourceRange.levelCount = 1; + use_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); + } + + // Store our identifier + io.Fonts->TexID = (void *)(intptr_t)g_FontImage; + + return true; +} + +bool ImGui_ImplVulkan_CreateDeviceObjects() +{ + VkResult err; + VkShaderModule vert_module; + VkShaderModule frag_module; + + // Create The Shader Modules: + { + VkShaderModuleCreateInfo vert_info = {}; + vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + vert_info.codeSize = sizeof(__glsl_shader_vert_spv); + vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; + err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); + ImGui_ImplVulkan_VkResult(err); + VkShaderModuleCreateInfo frag_info = {}; + frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + frag_info.codeSize = sizeof(__glsl_shader_frag_spv); + frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; + err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_FontSampler) + { + VkSamplerCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; + info.magFilter = VK_FILTER_LINEAR; + info.minFilter = VK_FILTER_LINEAR; + info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.minLod = -1000; + info.maxLod = 1000; + info.maxAnisotropy = 1.0f; + err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_DescriptorSetLayout) + { + VkSampler sampler[1] = {g_FontSampler}; + VkDescriptorSetLayoutBinding binding[1] = {}; + binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + binding[0].descriptorCount = 1; + binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; + binding[0].pImmutableSamplers = sampler; + VkDescriptorSetLayoutCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; + info.bindingCount = 1; + info.pBindings = binding; + err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); + ImGui_ImplVulkan_VkResult(err); + } + + // Create Descriptor Set: + { + VkDescriptorSetAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = g_DescriptorPool; + alloc_info.descriptorSetCount = 1; + alloc_info.pSetLayouts = &g_DescriptorSetLayout; + err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_PipelineLayout) + { + VkPushConstantRange push_constants[1] = {}; + push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + push_constants[0].offset = sizeof(float) * 0; + push_constants[0].size = sizeof(float) * 4; + VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; + VkPipelineLayoutCreateInfo layout_info = {}; + layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; + layout_info.setLayoutCount = 1; + layout_info.pSetLayouts = set_layout; + layout_info.pushConstantRangeCount = 1; + layout_info.pPushConstantRanges = push_constants; + err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); + ImGui_ImplVulkan_VkResult(err); + } + + VkPipelineShaderStageCreateInfo stage[2] = {}; + stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; + stage[0].module = vert_module; + stage[0].pName = "main"; + stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; + stage[1].module = frag_module; + stage[1].pName = "main"; + + VkVertexInputBindingDescription binding_desc[1] = {}; + binding_desc[0].stride = sizeof(ImDrawVert); + binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; + + VkVertexInputAttributeDescription attribute_desc[3] = {}; + attribute_desc[0].location = 0; + attribute_desc[0].binding = binding_desc[0].binding; + attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); + attribute_desc[1].location = 1; + attribute_desc[1].binding = binding_desc[0].binding; + attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); + attribute_desc[2].location = 2; + attribute_desc[2].binding = binding_desc[0].binding; + attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; + attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); + + VkPipelineVertexInputStateCreateInfo vertex_info = {}; + vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; + vertex_info.vertexBindingDescriptionCount = 1; + vertex_info.pVertexBindingDescriptions = binding_desc; + vertex_info.vertexAttributeDescriptionCount = 3; + vertex_info.pVertexAttributeDescriptions = attribute_desc; + + VkPipelineInputAssemblyStateCreateInfo ia_info = {}; + ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; + ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; + + VkPipelineViewportStateCreateInfo viewport_info = {}; + viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; + viewport_info.viewportCount = 1; + viewport_info.scissorCount = 1; + + VkPipelineRasterizationStateCreateInfo raster_info = {}; + raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; + raster_info.polygonMode = VK_POLYGON_MODE_FILL; + raster_info.cullMode = VK_CULL_MODE_NONE; + raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; + raster_info.lineWidth = 1.0f; + + VkPipelineMultisampleStateCreateInfo ms_info = {}; + ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; + ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; + + VkPipelineColorBlendAttachmentState color_attachment[1] = {}; + color_attachment[0].blendEnable = VK_TRUE; + color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; + color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; + color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; + + VkPipelineDepthStencilStateCreateInfo depth_info = {}; + depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; + + VkPipelineColorBlendStateCreateInfo blend_info = {}; + blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; + blend_info.attachmentCount = 1; + blend_info.pAttachments = color_attachment; + + VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamic_state = {}; + dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; + dynamic_state.dynamicStateCount = 2; + dynamic_state.pDynamicStates = dynamic_states; + + VkGraphicsPipelineCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; + info.flags = g_PipelineCreateFlags; + info.stageCount = 2; + info.pStages = stage; + info.pVertexInputState = &vertex_info; + info.pInputAssemblyState = &ia_info; + info.pViewportState = &viewport_info; + info.pRasterizationState = &raster_info; + info.pMultisampleState = &ms_info; + info.pDepthStencilState = &depth_info; + info.pColorBlendState = &blend_info; + info.pDynamicState = &dynamic_state; + info.layout = g_PipelineLayout; + info.renderPass = g_RenderPass; + err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); + ImGui_ImplVulkan_VkResult(err); + + vkDestroyShaderModule(g_Device, vert_module, g_Allocator); + vkDestroyShaderModule(g_Device, frag_module, g_Allocator); + + return true; +} + +void ImGui_ImplVulkan_InvalidateFontUploadObjects() +{ + if (g_UploadBuffer) + { + vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); + g_UploadBuffer = VK_NULL_HANDLE; + } + if (g_UploadBufferMemory) + { + vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); + g_UploadBufferMemory = VK_NULL_HANDLE; + } +} + +void ImGui_ImplVulkan_InvalidateDeviceObjects() +{ + ImGui_ImplVulkan_InvalidateFontUploadObjects(); + + for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++) + { + if (g_VertexBuffer[i]) { vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); g_VertexBuffer[i] = VK_NULL_HANDLE; } + if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } + if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } + if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } + } + + if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } + if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } + if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } + if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } + if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } + if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } + if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } +} + +bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data) +{ + g_Allocator = init_data->allocator; + g_Gpu = init_data->gpu; + g_Device = init_data->device; + g_RenderPass = init_data->render_pass; + g_PipelineCache = init_data->pipeline_cache; + g_DescriptorPool = init_data->descriptor_pool; + g_CheckVkResult = init_data->check_vk_result; + + ImGui_ImplVulkan_CreateDeviceObjects(); + + return true; +} + +void ImGui_ImplVulkan_Shutdown() +{ + ImGui_ImplVulkan_InvalidateDeviceObjects(); +} + +void ImGui_ImplVulkan_NewFrame() +{ +} + +void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer) +{ + g_CommandBuffer = command_buffer; + ImGui::Render(); + ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData()); + g_CommandBuffer = VK_NULL_HANDLE; + g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; +} diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h new file mode 100644 index 0000000..0a0e9be --- /dev/null +++ b/examples/imgui_impl_vulkan.h @@ -0,0 +1,35 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#include + +#define IMGUI_VK_QUEUED_FRAMES 2 + +struct ImGui_ImplVulkan_InitData +{ + VkAllocationCallbacks* allocator; + VkPhysicalDevice gpu; + VkDevice device; + VkRenderPass render_pass; + VkPipelineCache pipeline_cache; + VkDescriptorPool descriptor_pool; + void (*check_vk_result)(VkResult err); +}; + +IMGUI_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data); +IMGUI_API void ImGui_ImplVulkan_Shutdown(); +IMGUI_API void ImGui_ImplVulkan_NewFrame(); +IMGUI_API void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer); + +// Called by Init/NewFrame/Shutdown +IMGUI_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); +IMGUI_API void ImGui_ImplVulkan_InvalidateDeviceObjects(); +IMGUI_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); +IMGUI_API bool ImGui_ImplVulkan_CreateDeviceObjects(); diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp deleted file mode 100644 index 31f22e8..0000000 --- a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp +++ /dev/null @@ -1,859 +0,0 @@ -// ImGui GLFW binding with Vulkan + shaders - -// Missing features: -// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplGlfwVulkan_Render() calls ImGui_ImplGlfwVulkan_RenderDrawData() itself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. -// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. -// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. -// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). -// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. -// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. -// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. -// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. -// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. - -#include "imgui.h" -#include "imgui_impl_glfw_vulkan.h" - -// GLFW -#define GLFW_INCLUDE_NONE -#define GLFW_INCLUDE_VULKAN -#include -#ifdef _WIN32 -#undef APIENTRY -#define GLFW_EXPOSE_NATIVE_WIN32 -#define GLFW_EXPOSE_NATIVE_WGL -#include -#endif - -// GLFW Data -static GLFWwindow* g_Window = NULL; -static double g_Time = 0.0f; -static bool g_MouseJustPressed[3] = { false, false, false }; - -// Vulkan Data -static VkAllocationCallbacks* g_Allocator = NULL; -static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; -static VkDevice g_Device = VK_NULL_HANDLE; -static VkRenderPass g_RenderPass = VK_NULL_HANDLE; -static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; -static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; -static void (*g_CheckVkResult)(VkResult err) = NULL; - -static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; -static VkDeviceSize g_BufferMemoryAlignment = 256; -static VkPipelineCreateFlags g_PipelineCreateFlags = 0; -static int g_FrameIndex = 0; - -static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; -static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; -static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; -static VkPipeline g_Pipeline = VK_NULL_HANDLE; - -static VkSampler g_FontSampler = VK_NULL_HANDLE; -static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; -static VkImage g_FontImage = VK_NULL_HANDLE; -static VkImageView g_FontView = VK_NULL_HANDLE; - -static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceSize g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; - -static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; -static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; - -static uint32_t __glsl_shader_vert_spv[] = -{ - 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, - 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, - 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, - 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, - 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, - 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, - 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, - 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, - 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, - 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, - 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, - 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, - 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, - 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, - 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, - 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, - 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, - 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, - 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, - 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, - 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, - 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, - 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, - 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, - 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, - 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, - 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, - 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, - 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, - 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, - 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, - 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, - 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, - 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, - 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, - 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, - 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, - 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, - 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, - 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, - 0x0000002d,0x0000002c,0x000100fd,0x00010038 -}; - -static uint32_t __glsl_shader_frag_spv[] = -{ - 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, - 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, - 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, - 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, - 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, - 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, - 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, - 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, - 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, - 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, - 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, - 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, - 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, - 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, - 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, - 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, - 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, - 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, - 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, - 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, - 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, - 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, - 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, - 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, - 0x00010038 -}; - -static uint32_t ImGui_ImplGlfwVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) -{ - VkPhysicalDeviceMemoryProperties prop; - vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); - for (uint32_t i = 0; i < prop.memoryTypeCount; i++) - if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TotalVtxCount == 0) - return; - - // Create the Vertex Buffer: - size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); - if (!g_VertexBuffer[g_FrameIndex] || g_VertexBufferSize[g_FrameIndex] < vertex_size) - { - if (g_VertexBuffer[g_FrameIndex]) - vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); - if (g_VertexBufferMemory[g_FrameIndex]) - vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); - VkDeviceSize vertex_buffer_size = ((vertex_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = vertex_buffer_size; - buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_VertexBuffer[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_VertexBufferMemory[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_VertexBuffer[g_FrameIndex], g_VertexBufferMemory[g_FrameIndex], 0); - ImGui_ImplGlfwVulkan_VkResult(err); - g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; - } - - // Create the Index Buffer: - size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); - if (!g_IndexBuffer[g_FrameIndex] || g_IndexBufferSize[g_FrameIndex] < index_size) - { - if (g_IndexBuffer[g_FrameIndex]) - vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); - if (g_IndexBufferMemory[g_FrameIndex]) - vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); - VkDeviceSize index_buffer_size = ((index_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = index_buffer_size; - buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_IndexBuffer[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_IndexBufferMemory[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_IndexBuffer[g_FrameIndex], g_IndexBufferMemory[g_FrameIndex], 0); - ImGui_ImplGlfwVulkan_VkResult(err); - g_IndexBufferSize[g_FrameIndex] = index_buffer_size; - } - - // Upload Vertex and index Data: - { - ImDrawVert* vtx_dst; - ImDrawIdx* idx_dst; - err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], 0, vertex_size, 0, (void**)(&vtx_dst)); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (void**)(&idx_dst)); - ImGui_ImplGlfwVulkan_VkResult(err); - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); - memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); - vtx_dst += cmd_list->VtxBuffer.Size; - idx_dst += cmd_list->IdxBuffer.Size; - } - VkMappedMemoryRange range[2] = {}; - range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[0].memory = g_VertexBufferMemory[g_FrameIndex]; - range[0].size = VK_WHOLE_SIZE; - range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[1].memory = g_IndexBufferMemory[g_FrameIndex]; - range[1].size = VK_WHOLE_SIZE; - err = vkFlushMappedMemoryRanges(g_Device, 2, range); - ImGui_ImplGlfwVulkan_VkResult(err); - vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); - vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); - } - - // Bind pipeline and descriptor sets: - { - vkCmdBindPipeline(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); - VkDescriptorSet desc_set[1] = {g_DescriptorSet}; - vkCmdBindDescriptorSets(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); - } - - // Bind Vertex And Index Buffer: - { - VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; - VkDeviceSize vertex_offset[1] = {0}; - vkCmdBindVertexBuffers(g_CommandBuffer, 0, 1, vertex_buffers, vertex_offset); - vkCmdBindIndexBuffer(g_CommandBuffer, g_IndexBuffer[g_FrameIndex], 0, VK_INDEX_TYPE_UINT16); - } - - // Setup viewport: - { - VkViewport viewport; - viewport.x = 0; - viewport.y = 0; - viewport.width = ImGui::GetIO().DisplaySize.x; - viewport.height = ImGui::GetIO().DisplaySize.y; - viewport.minDepth = 0.0f; - viewport.maxDepth = 1.0f; - vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); - } - - // Setup scale and translation: - { - float scale[2]; - scale[0] = 2.0f/io.DisplaySize.x; - scale[1] = 2.0f/io.DisplaySize.y; - float translate[2]; - translate[0] = -1.0f; - translate[1] = -1.0f; - vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); - vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); - } - - // Render the command lists: - int vtx_offset = 0; - int idx_offset = 0; - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - VkRect2D scissor; - scissor.offset.x = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; - scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; - scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); - scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? - vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); - vkCmdDrawIndexed(g_CommandBuffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); - } - idx_offset += pcmd->ElemCount; - } - vtx_offset += cmd_list->VtxBuffer.Size; - } -} - -static const char* ImGui_ImplGlfwVulkan_GetClipboardText(void* user_data) -{ - return glfwGetClipboardString((GLFWwindow*)user_data); -} - -static void ImGui_ImplGlfwVulkan_SetClipboardText(void* user_data, const char* text) -{ - glfwSetClipboardString((GLFWwindow*)user_data, text); -} - -void ImGui_ImplGlfwVulkan_MouseButtonCallback(GLFWwindow*, int button, int action, int /*mods*/) -{ - if (action == GLFW_PRESS && button >= 0 && button < 3) - g_MouseJustPressed[button] = true; -} - -void ImGui_ImplGlfwVulkan_ScrollCallback(GLFWwindow*, double xoffset, double yoffset) -{ - ImGuiIO& io = ImGui::GetIO(); - io.MouseWheelH += (float)xoffset; - io.MouseWheel += (float)yoffset; -} - -void ImGui_ImplGlfwVulkan_KeyCallback(GLFWwindow*, int key, int, int action, int mods) -{ - ImGuiIO& io = ImGui::GetIO(); - if (action == GLFW_PRESS) - io.KeysDown[key] = true; - if (action == GLFW_RELEASE) - io.KeysDown[key] = false; - - (void)mods; // Modifiers are not reliable across systems - io.KeyCtrl = io.KeysDown[GLFW_KEY_LEFT_CONTROL] || io.KeysDown[GLFW_KEY_RIGHT_CONTROL]; - io.KeyShift = io.KeysDown[GLFW_KEY_LEFT_SHIFT] || io.KeysDown[GLFW_KEY_RIGHT_SHIFT]; - io.KeyAlt = io.KeysDown[GLFW_KEY_LEFT_ALT] || io.KeysDown[GLFW_KEY_RIGHT_ALT]; - io.KeySuper = io.KeysDown[GLFW_KEY_LEFT_SUPER] || io.KeysDown[GLFW_KEY_RIGHT_SUPER]; -} - -void ImGui_ImplGlfwVulkan_CharCallback(GLFWwindow*, unsigned int c) -{ - ImGuiIO& io = ImGui::GetIO(); - if (c > 0 && c < 0x10000) - io.AddInputCharacter((unsigned short)c); -} - -bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) -{ - ImGuiIO& io = ImGui::GetIO(); - - unsigned char* pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - size_t upload_size = width*height*4*sizeof(char); - - VkResult err; - - // Create the Image: - { - VkImageCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; - info.imageType = VK_IMAGE_TYPE_2D; - info.format = VK_FORMAT_R8G8B8A8_UNORM; - info.extent.width = width; - info.extent.height = height; - info.extent.depth = 1; - info.mipLevels = 1; - info.arrayLayers = 1; - info.samples = VK_SAMPLE_COUNT_1_BIT; - info.tiling = VK_IMAGE_TILING_OPTIMAL; - info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; - info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; - err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Create the Image View: - { - VkImageViewCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; - info.image = g_FontImage; - info.viewType = VK_IMAGE_VIEW_TYPE_2D; - info.format = VK_FORMAT_R8G8B8A8_UNORM; - info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - info.subresourceRange.levelCount = 1; - info.subresourceRange.layerCount = 1; - err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Update the Descriptor Set: - { - VkDescriptorImageInfo desc_image[1] = {}; - desc_image[0].sampler = g_FontSampler; - desc_image[0].imageView = g_FontView; - desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - VkWriteDescriptorSet write_desc[1] = {}; - write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; - write_desc[0].dstSet = g_DescriptorSet; - write_desc[0].descriptorCount = 1; - write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - write_desc[0].pImageInfo = desc_image; - vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); - } - - // Create the Upload Buffer: - { - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = upload_size; - buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Upload to Buffer: - { - char* map = NULL; - err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); - ImGui_ImplGlfwVulkan_VkResult(err); - memcpy(map, pixels, upload_size); - VkMappedMemoryRange range[1] = {}; - range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[0].memory = g_UploadBufferMemory; - range[0].size = upload_size; - err = vkFlushMappedMemoryRanges(g_Device, 1, range); - ImGui_ImplGlfwVulkan_VkResult(err); - vkUnmapMemory(g_Device, g_UploadBufferMemory); - } - // Copy to Image: - { - VkImageMemoryBarrier copy_barrier[1] = {}; - copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; - copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; - copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; - copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; - copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - copy_barrier[0].image = g_FontImage; - copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - copy_barrier[0].subresourceRange.levelCount = 1; - copy_barrier[0].subresourceRange.layerCount = 1; - vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); - - VkBufferImageCopy region = {}; - region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - region.imageSubresource.layerCount = 1; - region.imageExtent.width = width; - region.imageExtent.height = height; - region.imageExtent.depth = 1; - vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); - - VkImageMemoryBarrier use_barrier[1] = {}; - use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; - use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; - use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; - use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; - use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - use_barrier[0].image = g_FontImage; - use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - use_barrier[0].subresourceRange.levelCount = 1; - use_barrier[0].subresourceRange.layerCount = 1; - vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); - } - - // Store our identifier - io.Fonts->TexID = (void *)(intptr_t)g_FontImage; - - return true; -} - -bool ImGui_ImplGlfwVulkan_CreateDeviceObjects() -{ - VkResult err; - VkShaderModule vert_module; - VkShaderModule frag_module; - - // Create The Shader Modules: - { - VkShaderModuleCreateInfo vert_info = {}; - vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; - vert_info.codeSize = sizeof(__glsl_shader_vert_spv); - vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; - err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); - ImGui_ImplGlfwVulkan_VkResult(err); - VkShaderModuleCreateInfo frag_info = {}; - frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; - frag_info.codeSize = sizeof(__glsl_shader_frag_spv); - frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; - err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_FontSampler) - { - VkSamplerCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; - info.magFilter = VK_FILTER_LINEAR; - info.minFilter = VK_FILTER_LINEAR; - info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; - info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.minLod = -1000; - info.maxLod = 1000; - info.maxAnisotropy = 1.0f; - err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_DescriptorSetLayout) - { - VkSampler sampler[1] = {g_FontSampler}; - VkDescriptorSetLayoutBinding binding[1] = {}; - binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - binding[0].descriptorCount = 1; - binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; - binding[0].pImmutableSamplers = sampler; - VkDescriptorSetLayoutCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; - info.bindingCount = 1; - info.pBindings = binding; - err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Create Descriptor Set: - { - VkDescriptorSetAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; - alloc_info.descriptorPool = g_DescriptorPool; - alloc_info.descriptorSetCount = 1; - alloc_info.pSetLayouts = &g_DescriptorSetLayout; - err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_PipelineLayout) - { - VkPushConstantRange push_constants[1] = {}; - push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; - push_constants[0].offset = sizeof(float) * 0; - push_constants[0].size = sizeof(float) * 4; - VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; - VkPipelineLayoutCreateInfo layout_info = {}; - layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; - layout_info.setLayoutCount = 1; - layout_info.pSetLayouts = set_layout; - layout_info.pushConstantRangeCount = 1; - layout_info.pPushConstantRanges = push_constants; - err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - VkPipelineShaderStageCreateInfo stage[2] = {}; - stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; - stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; - stage[0].module = vert_module; - stage[0].pName = "main"; - stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; - stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; - stage[1].module = frag_module; - stage[1].pName = "main"; - - VkVertexInputBindingDescription binding_desc[1] = {}; - binding_desc[0].stride = sizeof(ImDrawVert); - binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; - - VkVertexInputAttributeDescription attribute_desc[3] = {}; - attribute_desc[0].location = 0; - attribute_desc[0].binding = binding_desc[0].binding; - attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; - attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); - attribute_desc[1].location = 1; - attribute_desc[1].binding = binding_desc[0].binding; - attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; - attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); - attribute_desc[2].location = 2; - attribute_desc[2].binding = binding_desc[0].binding; - attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; - attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); - - VkPipelineVertexInputStateCreateInfo vertex_info = {}; - vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; - vertex_info.vertexBindingDescriptionCount = 1; - vertex_info.pVertexBindingDescriptions = binding_desc; - vertex_info.vertexAttributeDescriptionCount = 3; - vertex_info.pVertexAttributeDescriptions = attribute_desc; - - VkPipelineInputAssemblyStateCreateInfo ia_info = {}; - ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; - ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; - - VkPipelineViewportStateCreateInfo viewport_info = {}; - viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; - viewport_info.viewportCount = 1; - viewport_info.scissorCount = 1; - - VkPipelineRasterizationStateCreateInfo raster_info = {}; - raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; - raster_info.polygonMode = VK_POLYGON_MODE_FILL; - raster_info.cullMode = VK_CULL_MODE_NONE; - raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; - raster_info.lineWidth = 1.0f; - - VkPipelineMultisampleStateCreateInfo ms_info = {}; - ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; - ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; - - VkPipelineColorBlendAttachmentState color_attachment[1] = {}; - color_attachment[0].blendEnable = VK_TRUE; - color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; - color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; - color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; - color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; - color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; - color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; - color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; - - VkPipelineDepthStencilStateCreateInfo depth_info = {}; - depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; - - VkPipelineColorBlendStateCreateInfo blend_info = {}; - blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; - blend_info.attachmentCount = 1; - blend_info.pAttachments = color_attachment; - - VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; - VkPipelineDynamicStateCreateInfo dynamic_state = {}; - dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; - dynamic_state.dynamicStateCount = 2; - dynamic_state.pDynamicStates = dynamic_states; - - VkGraphicsPipelineCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; - info.flags = g_PipelineCreateFlags; - info.stageCount = 2; - info.pStages = stage; - info.pVertexInputState = &vertex_info; - info.pInputAssemblyState = &ia_info; - info.pViewportState = &viewport_info; - info.pRasterizationState = &raster_info; - info.pMultisampleState = &ms_info; - info.pDepthStencilState = &depth_info; - info.pColorBlendState = &blend_info; - info.pDynamicState = &dynamic_state; - info.layout = g_PipelineLayout; - info.renderPass = g_RenderPass; - err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); - ImGui_ImplGlfwVulkan_VkResult(err); - - vkDestroyShaderModule(g_Device, vert_module, g_Allocator); - vkDestroyShaderModule(g_Device, frag_module, g_Allocator); - - return true; -} - -void ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects() -{ - if (g_UploadBuffer) - { - vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); - g_UploadBuffer = VK_NULL_HANDLE; - } - if (g_UploadBufferMemory) - { - vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); - g_UploadBufferMemory = VK_NULL_HANDLE; - } -} - -void ImGui_ImplGlfwVulkan_InvalidateDeviceObjects() -{ - ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); - - for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++) - { - if (g_VertexBuffer[i]) { vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); g_VertexBuffer[i] = VK_NULL_HANDLE; } - if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } - if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } - if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } - } - - if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } - if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } - if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } - if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } - if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } - if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } - if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } -} - -bool ImGui_ImplGlfwVulkan_Init(GLFWwindow* window, bool install_callbacks, ImGui_ImplGlfwVulkan_Init_Data *init_data) -{ - g_Allocator = init_data->allocator; - g_Gpu = init_data->gpu; - g_Device = init_data->device; - g_RenderPass = init_data->render_pass; - g_PipelineCache = init_data->pipeline_cache; - g_DescriptorPool = init_data->descriptor_pool; - g_CheckVkResult = init_data->check_vk_result; - - g_Window = window; - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. - io.KeyMap[ImGuiKey_LeftArrow] = GLFW_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = GLFW_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = GLFW_KEY_PAGE_UP; - io.KeyMap[ImGuiKey_PageDown] = GLFW_KEY_PAGE_DOWN; - io.KeyMap[ImGuiKey_Home] = GLFW_KEY_HOME; - io.KeyMap[ImGuiKey_End] = GLFW_KEY_END; - io.KeyMap[ImGuiKey_Insert] = GLFW_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = GLFW_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = GLFW_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = GLFW_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = GLFW_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = GLFW_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = GLFW_KEY_A; - io.KeyMap[ImGuiKey_C] = GLFW_KEY_C; - io.KeyMap[ImGuiKey_V] = GLFW_KEY_V; - io.KeyMap[ImGuiKey_X] = GLFW_KEY_X; - io.KeyMap[ImGuiKey_Y] = GLFW_KEY_Y; - io.KeyMap[ImGuiKey_Z] = GLFW_KEY_Z; - - io.SetClipboardTextFn = ImGui_ImplGlfwVulkan_SetClipboardText; - io.GetClipboardTextFn = ImGui_ImplGlfwVulkan_GetClipboardText; - io.ClipboardUserData = g_Window; -#ifdef _WIN32 - io.ImeWindowHandle = glfwGetWin32Window(g_Window); -#endif - - if (install_callbacks) - { - glfwSetMouseButtonCallback(window, ImGui_ImplGlfwVulkan_MouseButtonCallback); - glfwSetScrollCallback(window, ImGui_ImplGlfwVulkan_ScrollCallback); - glfwSetKeyCallback(window, ImGui_ImplGlfwVulkan_KeyCallback); - glfwSetCharCallback(window, ImGui_ImplGlfwVulkan_CharCallback); - } - - ImGui_ImplGlfwVulkan_CreateDeviceObjects(); - - return true; -} - -void ImGui_ImplGlfwVulkan_Shutdown() -{ - ImGui_ImplGlfwVulkan_InvalidateDeviceObjects(); -} - -void ImGui_ImplGlfwVulkan_NewFrame() -{ - ImGuiIO& io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - int display_w, display_h; - glfwGetWindowSize(g_Window, &w, &h); - glfwGetFramebufferSize(g_Window, &display_w, &display_h); - io.DisplaySize = ImVec2((float)w, (float)h); - io.DisplayFramebufferScale = ImVec2(w > 0 ? ((float)display_w / w) : 0, h > 0 ? ((float)display_h / h) : 0); - - // Setup time step - double current_time = glfwGetTime(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - // (we already got mouse wheel, keyboard keys & characters from glfw callbacks polled in glfwPollEvents()) - if (glfwGetWindowAttrib(g_Window, GLFW_FOCUSED)) - { - double mouse_x, mouse_y; - glfwGetCursorPos(g_Window, &mouse_x, &mouse_y); - io.MousePos = ImVec2((float)mouse_x, (float)mouse_y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX); - } - - for (int i = 0; i < 3; i++) - { - io.MouseDown[i] = g_MouseJustPressed[i] || glfwGetMouseButton(g_Window, i) != 0; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. - g_MouseJustPressed[i] = false; - } - - // Hide OS mouse cursor if ImGui is drawing it - glfwSetInputMode(g_Window, GLFW_CURSOR, io.MouseDrawCursor ? GLFW_CURSOR_HIDDEN : GLFW_CURSOR_NORMAL); - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} - -void ImGui_ImplGlfwVulkan_Render(VkCommandBuffer command_buffer) -{ - g_CommandBuffer = command_buffer; - ImGui::Render(); - ImGui_ImplGlfwVulkan_RenderDrawData(ImGui::GetDrawData()); - g_CommandBuffer = VK_NULL_HANDLE; - g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; -} diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.h b/examples/vulkan_example/imgui_impl_glfw_vulkan.h deleted file mode 100644 index 54918d3..0000000 --- a/examples/vulkan_example/imgui_impl_glfw_vulkan.h +++ /dev/null @@ -1,46 +0,0 @@ -// ImGui GLFW binding with Vulkan + shaders - -// Missing features: -// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -struct GLFWwindow; - -#include - -#define IMGUI_VK_QUEUED_FRAMES 2 - -struct ImGui_ImplGlfwVulkan_Init_Data -{ - VkAllocationCallbacks* allocator; - VkPhysicalDevice gpu; - VkDevice device; - VkRenderPass render_pass; - VkPipelineCache pipeline_cache; - VkDescriptorPool descriptor_pool; - void (*check_vk_result)(VkResult err); -}; - -IMGUI_API bool ImGui_ImplGlfwVulkan_Init(GLFWwindow* window, bool install_callbacks, ImGui_ImplGlfwVulkan_Init_Data *init_data); -IMGUI_API void ImGui_ImplGlfwVulkan_Shutdown(); -IMGUI_API void ImGui_ImplGlfwVulkan_NewFrame(); -IMGUI_API void ImGui_ImplGlfwVulkan_Render(VkCommandBuffer command_buffer); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API void ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); -IMGUI_API void ImGui_ImplGlfwVulkan_InvalidateDeviceObjects(); -IMGUI_API bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); -IMGUI_API bool ImGui_ImplGlfwVulkan_CreateDeviceObjects(); - -// GLFW callbacks (installed by default if you enable 'install_callbacks' during initialization) -// Provided here if you want to chain callbacks. -// You can also handle inputs yourself and use those as a reference. -IMGUI_API void ImGui_ImplGlfwVulkan_MouseButtonCallback(GLFWwindow* window, int button, int action, int mods); -IMGUI_API void ImGui_ImplGlfwVulkan_ScrollCallback(GLFWwindow* window, double xoffset, double yoffset); -IMGUI_API void ImGui_ImplGlfwVulkan_KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods); -IMGUI_API void ImGui_ImplGlfwVulkan_CharCallback(GLFWwindow* window, unsigned int c); - diff --git a/examples/vulkan_example/main.cpp b/examples/vulkan_example/main.cpp index be5fe52..3a10afd 100644 --- a/examples/vulkan_example/main.cpp +++ b/examples/vulkan_example/main.cpp @@ -2,7 +2,8 @@ // If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. #include "imgui.h" -#include "imgui_impl_glfw_vulkan.h" +#include "../imgui_impl_glfw.h" +#include "../imgui_impl_vulkan.h" #include // printf, fprintf #include // abort @@ -616,7 +617,7 @@ // Setup ImGui binding ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; - ImGui_ImplGlfwVulkan_Init_Data init_data = {}; + ImGui_ImplVulkan_InitData init_data = {}; init_data.allocator = g_Allocator; init_data.gpu = g_Gpu; init_data.device = g_Device; @@ -624,7 +625,8 @@ init_data.pipeline_cache = g_PipelineCache; init_data.descriptor_pool = g_DescriptorPool; init_data.check_vk_result = check_vk_result; - ImGui_ImplGlfwVulkan_Init(window, true, &init_data); + ImGui_ImplVulkan_Init(&init_data); + ImGui_ImplGlfw_Init(window, true); //io.NavFlags |= ImGuiNavFlags_EnableKeyboard; // Enable Keyboard Controls // Setup style @@ -657,7 +659,7 @@ err = vkBeginCommandBuffer(g_CommandBuffer[g_FrameIndex], &begin_info); check_vk_result(err); - ImGui_ImplGlfwVulkan_CreateFontsTexture(g_CommandBuffer[g_FrameIndex]); + ImGui_ImplVulkan_CreateFontsTexture(g_CommandBuffer[g_FrameIndex]); VkSubmitInfo end_info = {}; end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; @@ -670,7 +672,7 @@ err = vkDeviceWaitIdle(g_Device); check_vk_result(err); - ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); + ImGui_ImplVulkan_InvalidateFontUploadObjects(); } bool show_demo_window = true; @@ -681,9 +683,9 @@ // Hence we must render once and increase the g_FrameIndex without presenting, which we do before entering the render loop. // This is also the reason why frame_end() is split into frame_end() and frame_present(), the later one not being called here. #ifdef IMGUI_UNLIMITED_FRAME_RATE - ImGui_ImplGlfwVulkan_NewFrame(); + ImGui_ImplVulkan_NewFrame(); frame_begin(); - ImGui_ImplGlfwVulkan_Render(g_CommandBuffer[g_FrameIndex]); + ImGui_ImplVulkan_Render(g_CommandBuffer[g_FrameIndex]); frame_end(); g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; #endif // IMGUI_UNLIMITED_FRAME_RATE @@ -696,7 +698,7 @@ // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. glfwPollEvents(); - ImGui_ImplGlfwVulkan_NewFrame(); + ImGui_ImplVulkan_NewFrame(); // 1. Show a simple window. // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug". @@ -737,7 +739,7 @@ memcpy(&g_ClearValue.color.float32[0], &clear_color, 4 * sizeof(float)); frame_begin(); - ImGui_ImplGlfwVulkan_Render(g_CommandBuffer[g_FrameIndex]); + ImGui_ImplVulkan_Render(g_CommandBuffer[g_FrameIndex]); frame_end(); frame_present(); } @@ -745,7 +747,7 @@ // Cleanup VkResult err = vkDeviceWaitIdle(g_Device); check_vk_result(err); - ImGui_ImplGlfwVulkan_Shutdown(); + ImGui_ImplVulkan_Shutdown(); ImGui::DestroyContext(); cleanup_vulkan(); glfwTerminate(); diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp new file mode 100644 index 0000000..1162920 --- /dev/null +++ b/examples/imgui_impl_vulkan.cpp @@ -0,0 +1,719 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplVulkan_Render() calls ImGui_ImplVulkan_RenderDrawData() itself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. +// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. +// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. +// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). +// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. +// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. +// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. +// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. +// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. + +#include "imgui.h" +#include "imgui_impl_vulkan.h" + +// Vulkan Data +static VkAllocationCallbacks* g_Allocator = NULL; +static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static VkRenderPass g_RenderPass = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; +static void (*g_CheckVkResult)(VkResult err) = NULL; + +static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; +static VkDeviceSize g_BufferMemoryAlignment = 256; +static VkPipelineCreateFlags g_PipelineCreateFlags = 0; +static int g_FrameIndex = 0; + +static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; +static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; +static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; +static VkPipeline g_Pipeline = VK_NULL_HANDLE; + +static VkSampler g_FontSampler = VK_NULL_HANDLE; +static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; +static VkImage g_FontImage = VK_NULL_HANDLE; +static VkImageView g_FontView = VK_NULL_HANDLE; + +static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; + +static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; +static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; + +static uint32_t __glsl_shader_vert_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, + 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, + 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, + 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, + 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, + 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, + 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, + 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, + 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, + 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, + 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, + 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, + 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, + 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, + 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, + 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, + 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, + 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, + 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, + 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, + 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, + 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, + 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, + 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, + 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, + 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, + 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, + 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, + 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, + 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, + 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, + 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, + 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, + 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, + 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, + 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, + 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, + 0x0000002d,0x0000002c,0x000100fd,0x00010038 +}; + +static uint32_t __glsl_shader_frag_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, + 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, + 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, + 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, + 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, + 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, + 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, + 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, + 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, + 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, + 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, + 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, + 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, + 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, + 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, + 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, + 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, + 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, + 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, + 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, + 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, + 0x00010038 +}; + +static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) +{ + VkPhysicalDeviceMemoryProperties prop; + vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); + for (uint32_t i = 0; i < prop.memoryTypeCount; i++) + if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TotalVtxCount == 0) + return; + + // Create the Vertex Buffer: + size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); + if (!g_VertexBuffer[g_FrameIndex] || g_VertexBufferSize[g_FrameIndex] < vertex_size) + { + if (g_VertexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); + if (g_VertexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize vertex_buffer_size = ((vertex_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = vertex_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_VertexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_VertexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_VertexBuffer[g_FrameIndex], g_VertexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; + } + + // Create the Index Buffer: + size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); + if (!g_IndexBuffer[g_FrameIndex] || g_IndexBufferSize[g_FrameIndex] < index_size) + { + if (g_IndexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); + if (g_IndexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize index_buffer_size = ((index_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = index_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_IndexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_IndexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_IndexBuffer[g_FrameIndex], g_IndexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_IndexBufferSize[g_FrameIndex] = index_buffer_size; + } + + // Upload Vertex and index Data: + { + ImDrawVert* vtx_dst; + ImDrawIdx* idx_dst; + err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], 0, vertex_size, 0, (void**)(&vtx_dst)); + ImGui_ImplVulkan_VkResult(err); + err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (void**)(&idx_dst)); + ImGui_ImplVulkan_VkResult(err); + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.Size; + idx_dst += cmd_list->IdxBuffer.Size; + } + VkMappedMemoryRange range[2] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_VertexBufferMemory[g_FrameIndex]; + range[0].size = VK_WHOLE_SIZE; + range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[1].memory = g_IndexBufferMemory[g_FrameIndex]; + range[1].size = VK_WHOLE_SIZE; + err = vkFlushMappedMemoryRanges(g_Device, 2, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); + vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); + } + + // Bind pipeline and descriptor sets: + { + vkCmdBindPipeline(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); + VkDescriptorSet desc_set[1] = {g_DescriptorSet}; + vkCmdBindDescriptorSets(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); + } + + // Bind Vertex And Index Buffer: + { + VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; + VkDeviceSize vertex_offset[1] = {0}; + vkCmdBindVertexBuffers(g_CommandBuffer, 0, 1, vertex_buffers, vertex_offset); + vkCmdBindIndexBuffer(g_CommandBuffer, g_IndexBuffer[g_FrameIndex], 0, VK_INDEX_TYPE_UINT16); + } + + // Setup viewport: + { + VkViewport viewport; + viewport.x = 0; + viewport.y = 0; + viewport.width = ImGui::GetIO().DisplaySize.x; + viewport.height = ImGui::GetIO().DisplaySize.y; + viewport.minDepth = 0.0f; + viewport.maxDepth = 1.0f; + vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); + } + + // Setup scale and translation: + { + float scale[2]; + scale[0] = 2.0f/io.DisplaySize.x; + scale[1] = 2.0f/io.DisplaySize.y; + float translate[2]; + translate[0] = -1.0f; + translate[1] = -1.0f; + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); + } + + // Render the command lists: + int vtx_offset = 0; + int idx_offset = 0; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + VkRect2D scissor; + scissor.offset.x = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; + scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; + scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); + scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? + vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); + vkCmdDrawIndexed(g_CommandBuffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); + } + idx_offset += pcmd->ElemCount; + } + vtx_offset += cmd_list->VtxBuffer.Size; + } +} + +bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) +{ + ImGuiIO& io = ImGui::GetIO(); + + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + size_t upload_size = width*height*4*sizeof(char); + + VkResult err; + + // Create the Image: + { + VkImageCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; + info.imageType = VK_IMAGE_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.extent.width = width; + info.extent.height = height; + info.extent.depth = 1; + info.mipLevels = 1; + info.arrayLayers = 1; + info.samples = VK_SAMPLE_COUNT_1_BIT; + info.tiling = VK_IMAGE_TILING_OPTIMAL; + info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; + info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Create the Image View: + { + VkImageViewCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + info.image = g_FontImage; + info.viewType = VK_IMAGE_VIEW_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + info.subresourceRange.levelCount = 1; + info.subresourceRange.layerCount = 1; + err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); + ImGui_ImplVulkan_VkResult(err); + } + + // Update the Descriptor Set: + { + VkDescriptorImageInfo desc_image[1] = {}; + desc_image[0].sampler = g_FontSampler; + desc_image[0].imageView = g_FontView; + desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + VkWriteDescriptorSet write_desc[1] = {}; + write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_desc[0].dstSet = g_DescriptorSet; + write_desc[0].descriptorCount = 1; + write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + write_desc[0].pImageInfo = desc_image; + vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); + } + + // Create the Upload Buffer: + { + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = upload_size; + buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Upload to Buffer: + { + char* map = NULL; + err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); + ImGui_ImplVulkan_VkResult(err); + memcpy(map, pixels, upload_size); + VkMappedMemoryRange range[1] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_UploadBufferMemory; + range[0].size = upload_size; + err = vkFlushMappedMemoryRanges(g_Device, 1, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_UploadBufferMemory); + } + // Copy to Image: + { + VkImageMemoryBarrier copy_barrier[1] = {}; + copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; + copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].image = g_FontImage; + copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copy_barrier[0].subresourceRange.levelCount = 1; + copy_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); + + VkBufferImageCopy region = {}; + region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + region.imageSubresource.layerCount = 1; + region.imageExtent.width = width; + region.imageExtent.height = height; + region.imageExtent.depth = 1; + vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); + + VkImageMemoryBarrier use_barrier[1] = {}; + use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; + use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].image = g_FontImage; + use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + use_barrier[0].subresourceRange.levelCount = 1; + use_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); + } + + // Store our identifier + io.Fonts->TexID = (void *)(intptr_t)g_FontImage; + + return true; +} + +bool ImGui_ImplVulkan_CreateDeviceObjects() +{ + VkResult err; + VkShaderModule vert_module; + VkShaderModule frag_module; + + // Create The Shader Modules: + { + VkShaderModuleCreateInfo vert_info = {}; + vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + vert_info.codeSize = sizeof(__glsl_shader_vert_spv); + vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; + err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); + ImGui_ImplVulkan_VkResult(err); + VkShaderModuleCreateInfo frag_info = {}; + frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + frag_info.codeSize = sizeof(__glsl_shader_frag_spv); + frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; + err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_FontSampler) + { + VkSamplerCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; + info.magFilter = VK_FILTER_LINEAR; + info.minFilter = VK_FILTER_LINEAR; + info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.minLod = -1000; + info.maxLod = 1000; + info.maxAnisotropy = 1.0f; + err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_DescriptorSetLayout) + { + VkSampler sampler[1] = {g_FontSampler}; + VkDescriptorSetLayoutBinding binding[1] = {}; + binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + binding[0].descriptorCount = 1; + binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; + binding[0].pImmutableSamplers = sampler; + VkDescriptorSetLayoutCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; + info.bindingCount = 1; + info.pBindings = binding; + err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); + ImGui_ImplVulkan_VkResult(err); + } + + // Create Descriptor Set: + { + VkDescriptorSetAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = g_DescriptorPool; + alloc_info.descriptorSetCount = 1; + alloc_info.pSetLayouts = &g_DescriptorSetLayout; + err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_PipelineLayout) + { + VkPushConstantRange push_constants[1] = {}; + push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + push_constants[0].offset = sizeof(float) * 0; + push_constants[0].size = sizeof(float) * 4; + VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; + VkPipelineLayoutCreateInfo layout_info = {}; + layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; + layout_info.setLayoutCount = 1; + layout_info.pSetLayouts = set_layout; + layout_info.pushConstantRangeCount = 1; + layout_info.pPushConstantRanges = push_constants; + err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); + ImGui_ImplVulkan_VkResult(err); + } + + VkPipelineShaderStageCreateInfo stage[2] = {}; + stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; + stage[0].module = vert_module; + stage[0].pName = "main"; + stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; + stage[1].module = frag_module; + stage[1].pName = "main"; + + VkVertexInputBindingDescription binding_desc[1] = {}; + binding_desc[0].stride = sizeof(ImDrawVert); + binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; + + VkVertexInputAttributeDescription attribute_desc[3] = {}; + attribute_desc[0].location = 0; + attribute_desc[0].binding = binding_desc[0].binding; + attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); + attribute_desc[1].location = 1; + attribute_desc[1].binding = binding_desc[0].binding; + attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); + attribute_desc[2].location = 2; + attribute_desc[2].binding = binding_desc[0].binding; + attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; + attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); + + VkPipelineVertexInputStateCreateInfo vertex_info = {}; + vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; + vertex_info.vertexBindingDescriptionCount = 1; + vertex_info.pVertexBindingDescriptions = binding_desc; + vertex_info.vertexAttributeDescriptionCount = 3; + vertex_info.pVertexAttributeDescriptions = attribute_desc; + + VkPipelineInputAssemblyStateCreateInfo ia_info = {}; + ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; + ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; + + VkPipelineViewportStateCreateInfo viewport_info = {}; + viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; + viewport_info.viewportCount = 1; + viewport_info.scissorCount = 1; + + VkPipelineRasterizationStateCreateInfo raster_info = {}; + raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; + raster_info.polygonMode = VK_POLYGON_MODE_FILL; + raster_info.cullMode = VK_CULL_MODE_NONE; + raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; + raster_info.lineWidth = 1.0f; + + VkPipelineMultisampleStateCreateInfo ms_info = {}; + ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; + ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; + + VkPipelineColorBlendAttachmentState color_attachment[1] = {}; + color_attachment[0].blendEnable = VK_TRUE; + color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; + color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; + color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; + + VkPipelineDepthStencilStateCreateInfo depth_info = {}; + depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; + + VkPipelineColorBlendStateCreateInfo blend_info = {}; + blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; + blend_info.attachmentCount = 1; + blend_info.pAttachments = color_attachment; + + VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamic_state = {}; + dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; + dynamic_state.dynamicStateCount = 2; + dynamic_state.pDynamicStates = dynamic_states; + + VkGraphicsPipelineCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; + info.flags = g_PipelineCreateFlags; + info.stageCount = 2; + info.pStages = stage; + info.pVertexInputState = &vertex_info; + info.pInputAssemblyState = &ia_info; + info.pViewportState = &viewport_info; + info.pRasterizationState = &raster_info; + info.pMultisampleState = &ms_info; + info.pDepthStencilState = &depth_info; + info.pColorBlendState = &blend_info; + info.pDynamicState = &dynamic_state; + info.layout = g_PipelineLayout; + info.renderPass = g_RenderPass; + err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); + ImGui_ImplVulkan_VkResult(err); + + vkDestroyShaderModule(g_Device, vert_module, g_Allocator); + vkDestroyShaderModule(g_Device, frag_module, g_Allocator); + + return true; +} + +void ImGui_ImplVulkan_InvalidateFontUploadObjects() +{ + if (g_UploadBuffer) + { + vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); + g_UploadBuffer = VK_NULL_HANDLE; + } + if (g_UploadBufferMemory) + { + vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); + g_UploadBufferMemory = VK_NULL_HANDLE; + } +} + +void ImGui_ImplVulkan_InvalidateDeviceObjects() +{ + ImGui_ImplVulkan_InvalidateFontUploadObjects(); + + for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++) + { + if (g_VertexBuffer[i]) { vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); g_VertexBuffer[i] = VK_NULL_HANDLE; } + if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } + if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } + if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } + } + + if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } + if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } + if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } + if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } + if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } + if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } + if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } +} + +bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data) +{ + g_Allocator = init_data->allocator; + g_Gpu = init_data->gpu; + g_Device = init_data->device; + g_RenderPass = init_data->render_pass; + g_PipelineCache = init_data->pipeline_cache; + g_DescriptorPool = init_data->descriptor_pool; + g_CheckVkResult = init_data->check_vk_result; + + ImGui_ImplVulkan_CreateDeviceObjects(); + + return true; +} + +void ImGui_ImplVulkan_Shutdown() +{ + ImGui_ImplVulkan_InvalidateDeviceObjects(); +} + +void ImGui_ImplVulkan_NewFrame() +{ +} + +void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer) +{ + g_CommandBuffer = command_buffer; + ImGui::Render(); + ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData()); + g_CommandBuffer = VK_NULL_HANDLE; + g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; +} diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h new file mode 100644 index 0000000..0a0e9be --- /dev/null +++ b/examples/imgui_impl_vulkan.h @@ -0,0 +1,35 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#include + +#define IMGUI_VK_QUEUED_FRAMES 2 + +struct ImGui_ImplVulkan_InitData +{ + VkAllocationCallbacks* allocator; + VkPhysicalDevice gpu; + VkDevice device; + VkRenderPass render_pass; + VkPipelineCache pipeline_cache; + VkDescriptorPool descriptor_pool; + void (*check_vk_result)(VkResult err); +}; + +IMGUI_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data); +IMGUI_API void ImGui_ImplVulkan_Shutdown(); +IMGUI_API void ImGui_ImplVulkan_NewFrame(); +IMGUI_API void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer); + +// Called by Init/NewFrame/Shutdown +IMGUI_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); +IMGUI_API void ImGui_ImplVulkan_InvalidateDeviceObjects(); +IMGUI_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); +IMGUI_API bool ImGui_ImplVulkan_CreateDeviceObjects(); diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp deleted file mode 100644 index 31f22e8..0000000 --- a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp +++ /dev/null @@ -1,859 +0,0 @@ -// ImGui GLFW binding with Vulkan + shaders - -// Missing features: -// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplGlfwVulkan_Render() calls ImGui_ImplGlfwVulkan_RenderDrawData() itself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. -// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. -// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. -// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). -// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. -// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. -// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. -// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. -// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. - -#include "imgui.h" -#include "imgui_impl_glfw_vulkan.h" - -// GLFW -#define GLFW_INCLUDE_NONE -#define GLFW_INCLUDE_VULKAN -#include -#ifdef _WIN32 -#undef APIENTRY -#define GLFW_EXPOSE_NATIVE_WIN32 -#define GLFW_EXPOSE_NATIVE_WGL -#include -#endif - -// GLFW Data -static GLFWwindow* g_Window = NULL; -static double g_Time = 0.0f; -static bool g_MouseJustPressed[3] = { false, false, false }; - -// Vulkan Data -static VkAllocationCallbacks* g_Allocator = NULL; -static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; -static VkDevice g_Device = VK_NULL_HANDLE; -static VkRenderPass g_RenderPass = VK_NULL_HANDLE; -static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; -static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; -static void (*g_CheckVkResult)(VkResult err) = NULL; - -static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; -static VkDeviceSize g_BufferMemoryAlignment = 256; -static VkPipelineCreateFlags g_PipelineCreateFlags = 0; -static int g_FrameIndex = 0; - -static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; -static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; -static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; -static VkPipeline g_Pipeline = VK_NULL_HANDLE; - -static VkSampler g_FontSampler = VK_NULL_HANDLE; -static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; -static VkImage g_FontImage = VK_NULL_HANDLE; -static VkImageView g_FontView = VK_NULL_HANDLE; - -static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceSize g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; - -static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; -static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; - -static uint32_t __glsl_shader_vert_spv[] = -{ - 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, - 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, - 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, - 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, - 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, - 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, - 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, - 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, - 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, - 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, - 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, - 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, - 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, - 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, - 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, - 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, - 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, - 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, - 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, - 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, - 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, - 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, - 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, - 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, - 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, - 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, - 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, - 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, - 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, - 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, - 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, - 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, - 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, - 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, - 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, - 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, - 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, - 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, - 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, - 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, - 0x0000002d,0x0000002c,0x000100fd,0x00010038 -}; - -static uint32_t __glsl_shader_frag_spv[] = -{ - 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, - 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, - 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, - 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, - 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, - 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, - 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, - 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, - 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, - 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, - 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, - 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, - 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, - 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, - 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, - 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, - 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, - 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, - 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, - 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, - 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, - 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, - 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, - 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, - 0x00010038 -}; - -static uint32_t ImGui_ImplGlfwVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) -{ - VkPhysicalDeviceMemoryProperties prop; - vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); - for (uint32_t i = 0; i < prop.memoryTypeCount; i++) - if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TotalVtxCount == 0) - return; - - // Create the Vertex Buffer: - size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); - if (!g_VertexBuffer[g_FrameIndex] || g_VertexBufferSize[g_FrameIndex] < vertex_size) - { - if (g_VertexBuffer[g_FrameIndex]) - vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); - if (g_VertexBufferMemory[g_FrameIndex]) - vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); - VkDeviceSize vertex_buffer_size = ((vertex_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = vertex_buffer_size; - buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_VertexBuffer[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_VertexBufferMemory[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_VertexBuffer[g_FrameIndex], g_VertexBufferMemory[g_FrameIndex], 0); - ImGui_ImplGlfwVulkan_VkResult(err); - g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; - } - - // Create the Index Buffer: - size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); - if (!g_IndexBuffer[g_FrameIndex] || g_IndexBufferSize[g_FrameIndex] < index_size) - { - if (g_IndexBuffer[g_FrameIndex]) - vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); - if (g_IndexBufferMemory[g_FrameIndex]) - vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); - VkDeviceSize index_buffer_size = ((index_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = index_buffer_size; - buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_IndexBuffer[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_IndexBufferMemory[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_IndexBuffer[g_FrameIndex], g_IndexBufferMemory[g_FrameIndex], 0); - ImGui_ImplGlfwVulkan_VkResult(err); - g_IndexBufferSize[g_FrameIndex] = index_buffer_size; - } - - // Upload Vertex and index Data: - { - ImDrawVert* vtx_dst; - ImDrawIdx* idx_dst; - err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], 0, vertex_size, 0, (void**)(&vtx_dst)); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (void**)(&idx_dst)); - ImGui_ImplGlfwVulkan_VkResult(err); - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); - memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); - vtx_dst += cmd_list->VtxBuffer.Size; - idx_dst += cmd_list->IdxBuffer.Size; - } - VkMappedMemoryRange range[2] = {}; - range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[0].memory = g_VertexBufferMemory[g_FrameIndex]; - range[0].size = VK_WHOLE_SIZE; - range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[1].memory = g_IndexBufferMemory[g_FrameIndex]; - range[1].size = VK_WHOLE_SIZE; - err = vkFlushMappedMemoryRanges(g_Device, 2, range); - ImGui_ImplGlfwVulkan_VkResult(err); - vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); - vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); - } - - // Bind pipeline and descriptor sets: - { - vkCmdBindPipeline(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); - VkDescriptorSet desc_set[1] = {g_DescriptorSet}; - vkCmdBindDescriptorSets(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); - } - - // Bind Vertex And Index Buffer: - { - VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; - VkDeviceSize vertex_offset[1] = {0}; - vkCmdBindVertexBuffers(g_CommandBuffer, 0, 1, vertex_buffers, vertex_offset); - vkCmdBindIndexBuffer(g_CommandBuffer, g_IndexBuffer[g_FrameIndex], 0, VK_INDEX_TYPE_UINT16); - } - - // Setup viewport: - { - VkViewport viewport; - viewport.x = 0; - viewport.y = 0; - viewport.width = ImGui::GetIO().DisplaySize.x; - viewport.height = ImGui::GetIO().DisplaySize.y; - viewport.minDepth = 0.0f; - viewport.maxDepth = 1.0f; - vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); - } - - // Setup scale and translation: - { - float scale[2]; - scale[0] = 2.0f/io.DisplaySize.x; - scale[1] = 2.0f/io.DisplaySize.y; - float translate[2]; - translate[0] = -1.0f; - translate[1] = -1.0f; - vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); - vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); - } - - // Render the command lists: - int vtx_offset = 0; - int idx_offset = 0; - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - VkRect2D scissor; - scissor.offset.x = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; - scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; - scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); - scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? - vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); - vkCmdDrawIndexed(g_CommandBuffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); - } - idx_offset += pcmd->ElemCount; - } - vtx_offset += cmd_list->VtxBuffer.Size; - } -} - -static const char* ImGui_ImplGlfwVulkan_GetClipboardText(void* user_data) -{ - return glfwGetClipboardString((GLFWwindow*)user_data); -} - -static void ImGui_ImplGlfwVulkan_SetClipboardText(void* user_data, const char* text) -{ - glfwSetClipboardString((GLFWwindow*)user_data, text); -} - -void ImGui_ImplGlfwVulkan_MouseButtonCallback(GLFWwindow*, int button, int action, int /*mods*/) -{ - if (action == GLFW_PRESS && button >= 0 && button < 3) - g_MouseJustPressed[button] = true; -} - -void ImGui_ImplGlfwVulkan_ScrollCallback(GLFWwindow*, double xoffset, double yoffset) -{ - ImGuiIO& io = ImGui::GetIO(); - io.MouseWheelH += (float)xoffset; - io.MouseWheel += (float)yoffset; -} - -void ImGui_ImplGlfwVulkan_KeyCallback(GLFWwindow*, int key, int, int action, int mods) -{ - ImGuiIO& io = ImGui::GetIO(); - if (action == GLFW_PRESS) - io.KeysDown[key] = true; - if (action == GLFW_RELEASE) - io.KeysDown[key] = false; - - (void)mods; // Modifiers are not reliable across systems - io.KeyCtrl = io.KeysDown[GLFW_KEY_LEFT_CONTROL] || io.KeysDown[GLFW_KEY_RIGHT_CONTROL]; - io.KeyShift = io.KeysDown[GLFW_KEY_LEFT_SHIFT] || io.KeysDown[GLFW_KEY_RIGHT_SHIFT]; - io.KeyAlt = io.KeysDown[GLFW_KEY_LEFT_ALT] || io.KeysDown[GLFW_KEY_RIGHT_ALT]; - io.KeySuper = io.KeysDown[GLFW_KEY_LEFT_SUPER] || io.KeysDown[GLFW_KEY_RIGHT_SUPER]; -} - -void ImGui_ImplGlfwVulkan_CharCallback(GLFWwindow*, unsigned int c) -{ - ImGuiIO& io = ImGui::GetIO(); - if (c > 0 && c < 0x10000) - io.AddInputCharacter((unsigned short)c); -} - -bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) -{ - ImGuiIO& io = ImGui::GetIO(); - - unsigned char* pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - size_t upload_size = width*height*4*sizeof(char); - - VkResult err; - - // Create the Image: - { - VkImageCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; - info.imageType = VK_IMAGE_TYPE_2D; - info.format = VK_FORMAT_R8G8B8A8_UNORM; - info.extent.width = width; - info.extent.height = height; - info.extent.depth = 1; - info.mipLevels = 1; - info.arrayLayers = 1; - info.samples = VK_SAMPLE_COUNT_1_BIT; - info.tiling = VK_IMAGE_TILING_OPTIMAL; - info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; - info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; - err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Create the Image View: - { - VkImageViewCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; - info.image = g_FontImage; - info.viewType = VK_IMAGE_VIEW_TYPE_2D; - info.format = VK_FORMAT_R8G8B8A8_UNORM; - info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - info.subresourceRange.levelCount = 1; - info.subresourceRange.layerCount = 1; - err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Update the Descriptor Set: - { - VkDescriptorImageInfo desc_image[1] = {}; - desc_image[0].sampler = g_FontSampler; - desc_image[0].imageView = g_FontView; - desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - VkWriteDescriptorSet write_desc[1] = {}; - write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; - write_desc[0].dstSet = g_DescriptorSet; - write_desc[0].descriptorCount = 1; - write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - write_desc[0].pImageInfo = desc_image; - vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); - } - - // Create the Upload Buffer: - { - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = upload_size; - buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Upload to Buffer: - { - char* map = NULL; - err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); - ImGui_ImplGlfwVulkan_VkResult(err); - memcpy(map, pixels, upload_size); - VkMappedMemoryRange range[1] = {}; - range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[0].memory = g_UploadBufferMemory; - range[0].size = upload_size; - err = vkFlushMappedMemoryRanges(g_Device, 1, range); - ImGui_ImplGlfwVulkan_VkResult(err); - vkUnmapMemory(g_Device, g_UploadBufferMemory); - } - // Copy to Image: - { - VkImageMemoryBarrier copy_barrier[1] = {}; - copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; - copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; - copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; - copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; - copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - copy_barrier[0].image = g_FontImage; - copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - copy_barrier[0].subresourceRange.levelCount = 1; - copy_barrier[0].subresourceRange.layerCount = 1; - vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); - - VkBufferImageCopy region = {}; - region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - region.imageSubresource.layerCount = 1; - region.imageExtent.width = width; - region.imageExtent.height = height; - region.imageExtent.depth = 1; - vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); - - VkImageMemoryBarrier use_barrier[1] = {}; - use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; - use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; - use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; - use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; - use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - use_barrier[0].image = g_FontImage; - use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - use_barrier[0].subresourceRange.levelCount = 1; - use_barrier[0].subresourceRange.layerCount = 1; - vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); - } - - // Store our identifier - io.Fonts->TexID = (void *)(intptr_t)g_FontImage; - - return true; -} - -bool ImGui_ImplGlfwVulkan_CreateDeviceObjects() -{ - VkResult err; - VkShaderModule vert_module; - VkShaderModule frag_module; - - // Create The Shader Modules: - { - VkShaderModuleCreateInfo vert_info = {}; - vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; - vert_info.codeSize = sizeof(__glsl_shader_vert_spv); - vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; - err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); - ImGui_ImplGlfwVulkan_VkResult(err); - VkShaderModuleCreateInfo frag_info = {}; - frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; - frag_info.codeSize = sizeof(__glsl_shader_frag_spv); - frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; - err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_FontSampler) - { - VkSamplerCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; - info.magFilter = VK_FILTER_LINEAR; - info.minFilter = VK_FILTER_LINEAR; - info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; - info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.minLod = -1000; - info.maxLod = 1000; - info.maxAnisotropy = 1.0f; - err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_DescriptorSetLayout) - { - VkSampler sampler[1] = {g_FontSampler}; - VkDescriptorSetLayoutBinding binding[1] = {}; - binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - binding[0].descriptorCount = 1; - binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; - binding[0].pImmutableSamplers = sampler; - VkDescriptorSetLayoutCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; - info.bindingCount = 1; - info.pBindings = binding; - err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Create Descriptor Set: - { - VkDescriptorSetAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; - alloc_info.descriptorPool = g_DescriptorPool; - alloc_info.descriptorSetCount = 1; - alloc_info.pSetLayouts = &g_DescriptorSetLayout; - err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_PipelineLayout) - { - VkPushConstantRange push_constants[1] = {}; - push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; - push_constants[0].offset = sizeof(float) * 0; - push_constants[0].size = sizeof(float) * 4; - VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; - VkPipelineLayoutCreateInfo layout_info = {}; - layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; - layout_info.setLayoutCount = 1; - layout_info.pSetLayouts = set_layout; - layout_info.pushConstantRangeCount = 1; - layout_info.pPushConstantRanges = push_constants; - err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - VkPipelineShaderStageCreateInfo stage[2] = {}; - stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; - stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; - stage[0].module = vert_module; - stage[0].pName = "main"; - stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; - stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; - stage[1].module = frag_module; - stage[1].pName = "main"; - - VkVertexInputBindingDescription binding_desc[1] = {}; - binding_desc[0].stride = sizeof(ImDrawVert); - binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; - - VkVertexInputAttributeDescription attribute_desc[3] = {}; - attribute_desc[0].location = 0; - attribute_desc[0].binding = binding_desc[0].binding; - attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; - attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); - attribute_desc[1].location = 1; - attribute_desc[1].binding = binding_desc[0].binding; - attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; - attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); - attribute_desc[2].location = 2; - attribute_desc[2].binding = binding_desc[0].binding; - attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; - attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); - - VkPipelineVertexInputStateCreateInfo vertex_info = {}; - vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; - vertex_info.vertexBindingDescriptionCount = 1; - vertex_info.pVertexBindingDescriptions = binding_desc; - vertex_info.vertexAttributeDescriptionCount = 3; - vertex_info.pVertexAttributeDescriptions = attribute_desc; - - VkPipelineInputAssemblyStateCreateInfo ia_info = {}; - ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; - ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; - - VkPipelineViewportStateCreateInfo viewport_info = {}; - viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; - viewport_info.viewportCount = 1; - viewport_info.scissorCount = 1; - - VkPipelineRasterizationStateCreateInfo raster_info = {}; - raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; - raster_info.polygonMode = VK_POLYGON_MODE_FILL; - raster_info.cullMode = VK_CULL_MODE_NONE; - raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; - raster_info.lineWidth = 1.0f; - - VkPipelineMultisampleStateCreateInfo ms_info = {}; - ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; - ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; - - VkPipelineColorBlendAttachmentState color_attachment[1] = {}; - color_attachment[0].blendEnable = VK_TRUE; - color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; - color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; - color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; - color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; - color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; - color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; - color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; - - VkPipelineDepthStencilStateCreateInfo depth_info = {}; - depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; - - VkPipelineColorBlendStateCreateInfo blend_info = {}; - blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; - blend_info.attachmentCount = 1; - blend_info.pAttachments = color_attachment; - - VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; - VkPipelineDynamicStateCreateInfo dynamic_state = {}; - dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; - dynamic_state.dynamicStateCount = 2; - dynamic_state.pDynamicStates = dynamic_states; - - VkGraphicsPipelineCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; - info.flags = g_PipelineCreateFlags; - info.stageCount = 2; - info.pStages = stage; - info.pVertexInputState = &vertex_info; - info.pInputAssemblyState = &ia_info; - info.pViewportState = &viewport_info; - info.pRasterizationState = &raster_info; - info.pMultisampleState = &ms_info; - info.pDepthStencilState = &depth_info; - info.pColorBlendState = &blend_info; - info.pDynamicState = &dynamic_state; - info.layout = g_PipelineLayout; - info.renderPass = g_RenderPass; - err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); - ImGui_ImplGlfwVulkan_VkResult(err); - - vkDestroyShaderModule(g_Device, vert_module, g_Allocator); - vkDestroyShaderModule(g_Device, frag_module, g_Allocator); - - return true; -} - -void ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects() -{ - if (g_UploadBuffer) - { - vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); - g_UploadBuffer = VK_NULL_HANDLE; - } - if (g_UploadBufferMemory) - { - vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); - g_UploadBufferMemory = VK_NULL_HANDLE; - } -} - -void ImGui_ImplGlfwVulkan_InvalidateDeviceObjects() -{ - ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); - - for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++) - { - if (g_VertexBuffer[i]) { vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); g_VertexBuffer[i] = VK_NULL_HANDLE; } - if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } - if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } - if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } - } - - if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } - if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } - if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } - if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } - if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } - if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } - if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } -} - -bool ImGui_ImplGlfwVulkan_Init(GLFWwindow* window, bool install_callbacks, ImGui_ImplGlfwVulkan_Init_Data *init_data) -{ - g_Allocator = init_data->allocator; - g_Gpu = init_data->gpu; - g_Device = init_data->device; - g_RenderPass = init_data->render_pass; - g_PipelineCache = init_data->pipeline_cache; - g_DescriptorPool = init_data->descriptor_pool; - g_CheckVkResult = init_data->check_vk_result; - - g_Window = window; - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. - io.KeyMap[ImGuiKey_LeftArrow] = GLFW_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = GLFW_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = GLFW_KEY_PAGE_UP; - io.KeyMap[ImGuiKey_PageDown] = GLFW_KEY_PAGE_DOWN; - io.KeyMap[ImGuiKey_Home] = GLFW_KEY_HOME; - io.KeyMap[ImGuiKey_End] = GLFW_KEY_END; - io.KeyMap[ImGuiKey_Insert] = GLFW_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = GLFW_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = GLFW_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = GLFW_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = GLFW_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = GLFW_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = GLFW_KEY_A; - io.KeyMap[ImGuiKey_C] = GLFW_KEY_C; - io.KeyMap[ImGuiKey_V] = GLFW_KEY_V; - io.KeyMap[ImGuiKey_X] = GLFW_KEY_X; - io.KeyMap[ImGuiKey_Y] = GLFW_KEY_Y; - io.KeyMap[ImGuiKey_Z] = GLFW_KEY_Z; - - io.SetClipboardTextFn = ImGui_ImplGlfwVulkan_SetClipboardText; - io.GetClipboardTextFn = ImGui_ImplGlfwVulkan_GetClipboardText; - io.ClipboardUserData = g_Window; -#ifdef _WIN32 - io.ImeWindowHandle = glfwGetWin32Window(g_Window); -#endif - - if (install_callbacks) - { - glfwSetMouseButtonCallback(window, ImGui_ImplGlfwVulkan_MouseButtonCallback); - glfwSetScrollCallback(window, ImGui_ImplGlfwVulkan_ScrollCallback); - glfwSetKeyCallback(window, ImGui_ImplGlfwVulkan_KeyCallback); - glfwSetCharCallback(window, ImGui_ImplGlfwVulkan_CharCallback); - } - - ImGui_ImplGlfwVulkan_CreateDeviceObjects(); - - return true; -} - -void ImGui_ImplGlfwVulkan_Shutdown() -{ - ImGui_ImplGlfwVulkan_InvalidateDeviceObjects(); -} - -void ImGui_ImplGlfwVulkan_NewFrame() -{ - ImGuiIO& io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - int display_w, display_h; - glfwGetWindowSize(g_Window, &w, &h); - glfwGetFramebufferSize(g_Window, &display_w, &display_h); - io.DisplaySize = ImVec2((float)w, (float)h); - io.DisplayFramebufferScale = ImVec2(w > 0 ? ((float)display_w / w) : 0, h > 0 ? ((float)display_h / h) : 0); - - // Setup time step - double current_time = glfwGetTime(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - // (we already got mouse wheel, keyboard keys & characters from glfw callbacks polled in glfwPollEvents()) - if (glfwGetWindowAttrib(g_Window, GLFW_FOCUSED)) - { - double mouse_x, mouse_y; - glfwGetCursorPos(g_Window, &mouse_x, &mouse_y); - io.MousePos = ImVec2((float)mouse_x, (float)mouse_y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX); - } - - for (int i = 0; i < 3; i++) - { - io.MouseDown[i] = g_MouseJustPressed[i] || glfwGetMouseButton(g_Window, i) != 0; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. - g_MouseJustPressed[i] = false; - } - - // Hide OS mouse cursor if ImGui is drawing it - glfwSetInputMode(g_Window, GLFW_CURSOR, io.MouseDrawCursor ? GLFW_CURSOR_HIDDEN : GLFW_CURSOR_NORMAL); - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} - -void ImGui_ImplGlfwVulkan_Render(VkCommandBuffer command_buffer) -{ - g_CommandBuffer = command_buffer; - ImGui::Render(); - ImGui_ImplGlfwVulkan_RenderDrawData(ImGui::GetDrawData()); - g_CommandBuffer = VK_NULL_HANDLE; - g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; -} diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.h b/examples/vulkan_example/imgui_impl_glfw_vulkan.h deleted file mode 100644 index 54918d3..0000000 --- a/examples/vulkan_example/imgui_impl_glfw_vulkan.h +++ /dev/null @@ -1,46 +0,0 @@ -// ImGui GLFW binding with Vulkan + shaders - -// Missing features: -// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -struct GLFWwindow; - -#include - -#define IMGUI_VK_QUEUED_FRAMES 2 - -struct ImGui_ImplGlfwVulkan_Init_Data -{ - VkAllocationCallbacks* allocator; - VkPhysicalDevice gpu; - VkDevice device; - VkRenderPass render_pass; - VkPipelineCache pipeline_cache; - VkDescriptorPool descriptor_pool; - void (*check_vk_result)(VkResult err); -}; - -IMGUI_API bool ImGui_ImplGlfwVulkan_Init(GLFWwindow* window, bool install_callbacks, ImGui_ImplGlfwVulkan_Init_Data *init_data); -IMGUI_API void ImGui_ImplGlfwVulkan_Shutdown(); -IMGUI_API void ImGui_ImplGlfwVulkan_NewFrame(); -IMGUI_API void ImGui_ImplGlfwVulkan_Render(VkCommandBuffer command_buffer); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API void ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); -IMGUI_API void ImGui_ImplGlfwVulkan_InvalidateDeviceObjects(); -IMGUI_API bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); -IMGUI_API bool ImGui_ImplGlfwVulkan_CreateDeviceObjects(); - -// GLFW callbacks (installed by default if you enable 'install_callbacks' during initialization) -// Provided here if you want to chain callbacks. -// You can also handle inputs yourself and use those as a reference. -IMGUI_API void ImGui_ImplGlfwVulkan_MouseButtonCallback(GLFWwindow* window, int button, int action, int mods); -IMGUI_API void ImGui_ImplGlfwVulkan_ScrollCallback(GLFWwindow* window, double xoffset, double yoffset); -IMGUI_API void ImGui_ImplGlfwVulkan_KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods); -IMGUI_API void ImGui_ImplGlfwVulkan_CharCallback(GLFWwindow* window, unsigned int c); - diff --git a/examples/vulkan_example/main.cpp b/examples/vulkan_example/main.cpp index be5fe52..3a10afd 100644 --- a/examples/vulkan_example/main.cpp +++ b/examples/vulkan_example/main.cpp @@ -2,7 +2,8 @@ // If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. #include "imgui.h" -#include "imgui_impl_glfw_vulkan.h" +#include "../imgui_impl_glfw.h" +#include "../imgui_impl_vulkan.h" #include // printf, fprintf #include // abort @@ -616,7 +617,7 @@ // Setup ImGui binding ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; - ImGui_ImplGlfwVulkan_Init_Data init_data = {}; + ImGui_ImplVulkan_InitData init_data = {}; init_data.allocator = g_Allocator; init_data.gpu = g_Gpu; init_data.device = g_Device; @@ -624,7 +625,8 @@ init_data.pipeline_cache = g_PipelineCache; init_data.descriptor_pool = g_DescriptorPool; init_data.check_vk_result = check_vk_result; - ImGui_ImplGlfwVulkan_Init(window, true, &init_data); + ImGui_ImplVulkan_Init(&init_data); + ImGui_ImplGlfw_Init(window, true); //io.NavFlags |= ImGuiNavFlags_EnableKeyboard; // Enable Keyboard Controls // Setup style @@ -657,7 +659,7 @@ err = vkBeginCommandBuffer(g_CommandBuffer[g_FrameIndex], &begin_info); check_vk_result(err); - ImGui_ImplGlfwVulkan_CreateFontsTexture(g_CommandBuffer[g_FrameIndex]); + ImGui_ImplVulkan_CreateFontsTexture(g_CommandBuffer[g_FrameIndex]); VkSubmitInfo end_info = {}; end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; @@ -670,7 +672,7 @@ err = vkDeviceWaitIdle(g_Device); check_vk_result(err); - ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); + ImGui_ImplVulkan_InvalidateFontUploadObjects(); } bool show_demo_window = true; @@ -681,9 +683,9 @@ // Hence we must render once and increase the g_FrameIndex without presenting, which we do before entering the render loop. // This is also the reason why frame_end() is split into frame_end() and frame_present(), the later one not being called here. #ifdef IMGUI_UNLIMITED_FRAME_RATE - ImGui_ImplGlfwVulkan_NewFrame(); + ImGui_ImplVulkan_NewFrame(); frame_begin(); - ImGui_ImplGlfwVulkan_Render(g_CommandBuffer[g_FrameIndex]); + ImGui_ImplVulkan_Render(g_CommandBuffer[g_FrameIndex]); frame_end(); g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; #endif // IMGUI_UNLIMITED_FRAME_RATE @@ -696,7 +698,7 @@ // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. glfwPollEvents(); - ImGui_ImplGlfwVulkan_NewFrame(); + ImGui_ImplVulkan_NewFrame(); // 1. Show a simple window. // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug". @@ -737,7 +739,7 @@ memcpy(&g_ClearValue.color.float32[0], &clear_color, 4 * sizeof(float)); frame_begin(); - ImGui_ImplGlfwVulkan_Render(g_CommandBuffer[g_FrameIndex]); + ImGui_ImplVulkan_Render(g_CommandBuffer[g_FrameIndex]); frame_end(); frame_present(); } @@ -745,7 +747,7 @@ // Cleanup VkResult err = vkDeviceWaitIdle(g_Device); check_vk_result(err); - ImGui_ImplGlfwVulkan_Shutdown(); + ImGui_ImplVulkan_Shutdown(); ImGui::DestroyContext(); cleanup_vulkan(); glfwTerminate(); diff --git a/examples/vulkan_example/vulkan_example.vcxproj b/examples/vulkan_example/vulkan_example.vcxproj index a315d69..299b26f 100644 --- a/examples/vulkan_example/vulkan_example.vcxproj +++ b/examples/vulkan_example/vulkan_example.vcxproj @@ -153,14 +153,16 @@ - + + - + + diff --git a/examples/imgui_impl_vulkan.cpp b/examples/imgui_impl_vulkan.cpp new file mode 100644 index 0000000..1162920 --- /dev/null +++ b/examples/imgui_impl_vulkan.cpp @@ -0,0 +1,719 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplVulkan_Render() calls ImGui_ImplVulkan_RenderDrawData() itself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. +// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. +// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. +// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). +// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. +// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. +// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. +// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. +// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. + +#include "imgui.h" +#include "imgui_impl_vulkan.h" + +// Vulkan Data +static VkAllocationCallbacks* g_Allocator = NULL; +static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static VkRenderPass g_RenderPass = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; +static void (*g_CheckVkResult)(VkResult err) = NULL; + +static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; +static VkDeviceSize g_BufferMemoryAlignment = 256; +static VkPipelineCreateFlags g_PipelineCreateFlags = 0; +static int g_FrameIndex = 0; + +static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; +static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; +static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; +static VkPipeline g_Pipeline = VK_NULL_HANDLE; + +static VkSampler g_FontSampler = VK_NULL_HANDLE; +static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; +static VkImage g_FontImage = VK_NULL_HANDLE; +static VkImageView g_FontView = VK_NULL_HANDLE; + +static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkDeviceSize g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; +static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; + +static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; +static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; + +static uint32_t __glsl_shader_vert_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, + 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, + 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, + 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, + 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, + 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, + 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, + 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, + 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, + 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, + 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, + 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, + 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, + 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, + 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, + 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, + 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, + 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, + 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, + 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, + 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, + 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, + 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, + 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, + 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, + 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, + 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, + 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, + 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, + 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, + 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, + 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, + 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, + 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, + 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, + 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, + 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, + 0x0000002d,0x0000002c,0x000100fd,0x00010038 +}; + +static uint32_t __glsl_shader_frag_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, + 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, + 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, + 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, + 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, + 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, + 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, + 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, + 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, + 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, + 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, + 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, + 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, + 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, + 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, + 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, + 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, + 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, + 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, + 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, + 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, + 0x00010038 +}; + +static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) +{ + VkPhysicalDeviceMemoryProperties prop; + vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); + for (uint32_t i = 0; i < prop.memoryTypeCount; i++) + if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TotalVtxCount == 0) + return; + + // Create the Vertex Buffer: + size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); + if (!g_VertexBuffer[g_FrameIndex] || g_VertexBufferSize[g_FrameIndex] < vertex_size) + { + if (g_VertexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); + if (g_VertexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize vertex_buffer_size = ((vertex_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = vertex_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_VertexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_VertexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_VertexBuffer[g_FrameIndex], g_VertexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; + } + + // Create the Index Buffer: + size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); + if (!g_IndexBuffer[g_FrameIndex] || g_IndexBufferSize[g_FrameIndex] < index_size) + { + if (g_IndexBuffer[g_FrameIndex]) + vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); + if (g_IndexBufferMemory[g_FrameIndex]) + vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); + VkDeviceSize index_buffer_size = ((index_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = index_buffer_size; + buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_IndexBuffer[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_IndexBufferMemory[g_FrameIndex]); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_IndexBuffer[g_FrameIndex], g_IndexBufferMemory[g_FrameIndex], 0); + ImGui_ImplVulkan_VkResult(err); + g_IndexBufferSize[g_FrameIndex] = index_buffer_size; + } + + // Upload Vertex and index Data: + { + ImDrawVert* vtx_dst; + ImDrawIdx* idx_dst; + err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], 0, vertex_size, 0, (void**)(&vtx_dst)); + ImGui_ImplVulkan_VkResult(err); + err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (void**)(&idx_dst)); + ImGui_ImplVulkan_VkResult(err); + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.Size; + idx_dst += cmd_list->IdxBuffer.Size; + } + VkMappedMemoryRange range[2] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_VertexBufferMemory[g_FrameIndex]; + range[0].size = VK_WHOLE_SIZE; + range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[1].memory = g_IndexBufferMemory[g_FrameIndex]; + range[1].size = VK_WHOLE_SIZE; + err = vkFlushMappedMemoryRanges(g_Device, 2, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); + vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); + } + + // Bind pipeline and descriptor sets: + { + vkCmdBindPipeline(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); + VkDescriptorSet desc_set[1] = {g_DescriptorSet}; + vkCmdBindDescriptorSets(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); + } + + // Bind Vertex And Index Buffer: + { + VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; + VkDeviceSize vertex_offset[1] = {0}; + vkCmdBindVertexBuffers(g_CommandBuffer, 0, 1, vertex_buffers, vertex_offset); + vkCmdBindIndexBuffer(g_CommandBuffer, g_IndexBuffer[g_FrameIndex], 0, VK_INDEX_TYPE_UINT16); + } + + // Setup viewport: + { + VkViewport viewport; + viewport.x = 0; + viewport.y = 0; + viewport.width = ImGui::GetIO().DisplaySize.x; + viewport.height = ImGui::GetIO().DisplaySize.y; + viewport.minDepth = 0.0f; + viewport.maxDepth = 1.0f; + vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); + } + + // Setup scale and translation: + { + float scale[2]; + scale[0] = 2.0f/io.DisplaySize.x; + scale[1] = 2.0f/io.DisplaySize.y; + float translate[2]; + translate[0] = -1.0f; + translate[1] = -1.0f; + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); + vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); + } + + // Render the command lists: + int vtx_offset = 0; + int idx_offset = 0; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + VkRect2D scissor; + scissor.offset.x = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; + scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; + scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); + scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? + vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); + vkCmdDrawIndexed(g_CommandBuffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); + } + idx_offset += pcmd->ElemCount; + } + vtx_offset += cmd_list->VtxBuffer.Size; + } +} + +bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) +{ + ImGuiIO& io = ImGui::GetIO(); + + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + size_t upload_size = width*height*4*sizeof(char); + + VkResult err; + + // Create the Image: + { + VkImageCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; + info.imageType = VK_IMAGE_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.extent.width = width; + info.extent.height = height; + info.extent.depth = 1; + info.mipLevels = 1; + info.arrayLayers = 1; + info.samples = VK_SAMPLE_COUNT_1_BIT; + info.tiling = VK_IMAGE_TILING_OPTIMAL; + info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; + info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Create the Image View: + { + VkImageViewCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + info.image = g_FontImage; + info.viewType = VK_IMAGE_VIEW_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + info.subresourceRange.levelCount = 1; + info.subresourceRange.layerCount = 1; + err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); + ImGui_ImplVulkan_VkResult(err); + } + + // Update the Descriptor Set: + { + VkDescriptorImageInfo desc_image[1] = {}; + desc_image[0].sampler = g_FontSampler; + desc_image[0].imageView = g_FontView; + desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + VkWriteDescriptorSet write_desc[1] = {}; + write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_desc[0].dstSet = g_DescriptorSet; + write_desc[0].descriptorCount = 1; + write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + write_desc[0].pImageInfo = desc_image; + vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); + } + + // Create the Upload Buffer: + { + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = upload_size; + buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); + ImGui_ImplVulkan_VkResult(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); + ImGui_ImplVulkan_VkResult(err); + err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); + ImGui_ImplVulkan_VkResult(err); + } + + // Upload to Buffer: + { + char* map = NULL; + err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); + ImGui_ImplVulkan_VkResult(err); + memcpy(map, pixels, upload_size); + VkMappedMemoryRange range[1] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_UploadBufferMemory; + range[0].size = upload_size; + err = vkFlushMappedMemoryRanges(g_Device, 1, range); + ImGui_ImplVulkan_VkResult(err); + vkUnmapMemory(g_Device, g_UploadBufferMemory); + } + // Copy to Image: + { + VkImageMemoryBarrier copy_barrier[1] = {}; + copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; + copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].image = g_FontImage; + copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copy_barrier[0].subresourceRange.levelCount = 1; + copy_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); + + VkBufferImageCopy region = {}; + region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + region.imageSubresource.layerCount = 1; + region.imageExtent.width = width; + region.imageExtent.height = height; + region.imageExtent.depth = 1; + vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); + + VkImageMemoryBarrier use_barrier[1] = {}; + use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; + use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].image = g_FontImage; + use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + use_barrier[0].subresourceRange.levelCount = 1; + use_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); + } + + // Store our identifier + io.Fonts->TexID = (void *)(intptr_t)g_FontImage; + + return true; +} + +bool ImGui_ImplVulkan_CreateDeviceObjects() +{ + VkResult err; + VkShaderModule vert_module; + VkShaderModule frag_module; + + // Create The Shader Modules: + { + VkShaderModuleCreateInfo vert_info = {}; + vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + vert_info.codeSize = sizeof(__glsl_shader_vert_spv); + vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; + err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); + ImGui_ImplVulkan_VkResult(err); + VkShaderModuleCreateInfo frag_info = {}; + frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + frag_info.codeSize = sizeof(__glsl_shader_frag_spv); + frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; + err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_FontSampler) + { + VkSamplerCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; + info.magFilter = VK_FILTER_LINEAR; + info.minFilter = VK_FILTER_LINEAR; + info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.minLod = -1000; + info.maxLod = 1000; + info.maxAnisotropy = 1.0f; + err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_DescriptorSetLayout) + { + VkSampler sampler[1] = {g_FontSampler}; + VkDescriptorSetLayoutBinding binding[1] = {}; + binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + binding[0].descriptorCount = 1; + binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; + binding[0].pImmutableSamplers = sampler; + VkDescriptorSetLayoutCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; + info.bindingCount = 1; + info.pBindings = binding; + err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); + ImGui_ImplVulkan_VkResult(err); + } + + // Create Descriptor Set: + { + VkDescriptorSetAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = g_DescriptorPool; + alloc_info.descriptorSetCount = 1; + alloc_info.pSetLayouts = &g_DescriptorSetLayout; + err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); + ImGui_ImplVulkan_VkResult(err); + } + + if (!g_PipelineLayout) + { + VkPushConstantRange push_constants[1] = {}; + push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + push_constants[0].offset = sizeof(float) * 0; + push_constants[0].size = sizeof(float) * 4; + VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; + VkPipelineLayoutCreateInfo layout_info = {}; + layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; + layout_info.setLayoutCount = 1; + layout_info.pSetLayouts = set_layout; + layout_info.pushConstantRangeCount = 1; + layout_info.pPushConstantRanges = push_constants; + err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); + ImGui_ImplVulkan_VkResult(err); + } + + VkPipelineShaderStageCreateInfo stage[2] = {}; + stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; + stage[0].module = vert_module; + stage[0].pName = "main"; + stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; + stage[1].module = frag_module; + stage[1].pName = "main"; + + VkVertexInputBindingDescription binding_desc[1] = {}; + binding_desc[0].stride = sizeof(ImDrawVert); + binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; + + VkVertexInputAttributeDescription attribute_desc[3] = {}; + attribute_desc[0].location = 0; + attribute_desc[0].binding = binding_desc[0].binding; + attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); + attribute_desc[1].location = 1; + attribute_desc[1].binding = binding_desc[0].binding; + attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); + attribute_desc[2].location = 2; + attribute_desc[2].binding = binding_desc[0].binding; + attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; + attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); + + VkPipelineVertexInputStateCreateInfo vertex_info = {}; + vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; + vertex_info.vertexBindingDescriptionCount = 1; + vertex_info.pVertexBindingDescriptions = binding_desc; + vertex_info.vertexAttributeDescriptionCount = 3; + vertex_info.pVertexAttributeDescriptions = attribute_desc; + + VkPipelineInputAssemblyStateCreateInfo ia_info = {}; + ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; + ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; + + VkPipelineViewportStateCreateInfo viewport_info = {}; + viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; + viewport_info.viewportCount = 1; + viewport_info.scissorCount = 1; + + VkPipelineRasterizationStateCreateInfo raster_info = {}; + raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; + raster_info.polygonMode = VK_POLYGON_MODE_FILL; + raster_info.cullMode = VK_CULL_MODE_NONE; + raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; + raster_info.lineWidth = 1.0f; + + VkPipelineMultisampleStateCreateInfo ms_info = {}; + ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; + ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; + + VkPipelineColorBlendAttachmentState color_attachment[1] = {}; + color_attachment[0].blendEnable = VK_TRUE; + color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; + color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; + color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; + + VkPipelineDepthStencilStateCreateInfo depth_info = {}; + depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; + + VkPipelineColorBlendStateCreateInfo blend_info = {}; + blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; + blend_info.attachmentCount = 1; + blend_info.pAttachments = color_attachment; + + VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamic_state = {}; + dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; + dynamic_state.dynamicStateCount = 2; + dynamic_state.pDynamicStates = dynamic_states; + + VkGraphicsPipelineCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; + info.flags = g_PipelineCreateFlags; + info.stageCount = 2; + info.pStages = stage; + info.pVertexInputState = &vertex_info; + info.pInputAssemblyState = &ia_info; + info.pViewportState = &viewport_info; + info.pRasterizationState = &raster_info; + info.pMultisampleState = &ms_info; + info.pDepthStencilState = &depth_info; + info.pColorBlendState = &blend_info; + info.pDynamicState = &dynamic_state; + info.layout = g_PipelineLayout; + info.renderPass = g_RenderPass; + err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); + ImGui_ImplVulkan_VkResult(err); + + vkDestroyShaderModule(g_Device, vert_module, g_Allocator); + vkDestroyShaderModule(g_Device, frag_module, g_Allocator); + + return true; +} + +void ImGui_ImplVulkan_InvalidateFontUploadObjects() +{ + if (g_UploadBuffer) + { + vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); + g_UploadBuffer = VK_NULL_HANDLE; + } + if (g_UploadBufferMemory) + { + vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); + g_UploadBufferMemory = VK_NULL_HANDLE; + } +} + +void ImGui_ImplVulkan_InvalidateDeviceObjects() +{ + ImGui_ImplVulkan_InvalidateFontUploadObjects(); + + for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++) + { + if (g_VertexBuffer[i]) { vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); g_VertexBuffer[i] = VK_NULL_HANDLE; } + if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } + if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } + if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } + } + + if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } + if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } + if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } + if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } + if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } + if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } + if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } +} + +bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data) +{ + g_Allocator = init_data->allocator; + g_Gpu = init_data->gpu; + g_Device = init_data->device; + g_RenderPass = init_data->render_pass; + g_PipelineCache = init_data->pipeline_cache; + g_DescriptorPool = init_data->descriptor_pool; + g_CheckVkResult = init_data->check_vk_result; + + ImGui_ImplVulkan_CreateDeviceObjects(); + + return true; +} + +void ImGui_ImplVulkan_Shutdown() +{ + ImGui_ImplVulkan_InvalidateDeviceObjects(); +} + +void ImGui_ImplVulkan_NewFrame() +{ +} + +void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer) +{ + g_CommandBuffer = command_buffer; + ImGui::Render(); + ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData()); + g_CommandBuffer = VK_NULL_HANDLE; + g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; +} diff --git a/examples/imgui_impl_vulkan.h b/examples/imgui_impl_vulkan.h new file mode 100644 index 0000000..0a0e9be --- /dev/null +++ b/examples/imgui_impl_vulkan.h @@ -0,0 +1,35 @@ +// ImGui GLFW binding with Vulkan + shaders + +// Missing features: +// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#include + +#define IMGUI_VK_QUEUED_FRAMES 2 + +struct ImGui_ImplVulkan_InitData +{ + VkAllocationCallbacks* allocator; + VkPhysicalDevice gpu; + VkDevice device; + VkRenderPass render_pass; + VkPipelineCache pipeline_cache; + VkDescriptorPool descriptor_pool; + void (*check_vk_result)(VkResult err); +}; + +IMGUI_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitData *init_data); +IMGUI_API void ImGui_ImplVulkan_Shutdown(); +IMGUI_API void ImGui_ImplVulkan_NewFrame(); +IMGUI_API void ImGui_ImplVulkan_Render(VkCommandBuffer command_buffer); + +// Called by Init/NewFrame/Shutdown +IMGUI_API void ImGui_ImplVulkan_InvalidateFontUploadObjects(); +IMGUI_API void ImGui_ImplVulkan_InvalidateDeviceObjects(); +IMGUI_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); +IMGUI_API bool ImGui_ImplVulkan_CreateDeviceObjects(); diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp b/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp deleted file mode 100644 index 31f22e8..0000000 --- a/examples/vulkan_example/imgui_impl_glfw_vulkan.cpp +++ /dev/null @@ -1,859 +0,0 @@ -// ImGui GLFW binding with Vulkan + shaders - -// Missing features: -// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplGlfwVulkan_Render() calls ImGui_ImplGlfwVulkan_RenderDrawData() itself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. -// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. -// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. -// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). -// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. -// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. -// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. -// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. -// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. - -#include "imgui.h" -#include "imgui_impl_glfw_vulkan.h" - -// GLFW -#define GLFW_INCLUDE_NONE -#define GLFW_INCLUDE_VULKAN -#include -#ifdef _WIN32 -#undef APIENTRY -#define GLFW_EXPOSE_NATIVE_WIN32 -#define GLFW_EXPOSE_NATIVE_WGL -#include -#endif - -// GLFW Data -static GLFWwindow* g_Window = NULL; -static double g_Time = 0.0f; -static bool g_MouseJustPressed[3] = { false, false, false }; - -// Vulkan Data -static VkAllocationCallbacks* g_Allocator = NULL; -static VkPhysicalDevice g_Gpu = VK_NULL_HANDLE; -static VkDevice g_Device = VK_NULL_HANDLE; -static VkRenderPass g_RenderPass = VK_NULL_HANDLE; -static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; -static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; -static void (*g_CheckVkResult)(VkResult err) = NULL; - -static VkCommandBuffer g_CommandBuffer = VK_NULL_HANDLE; -static VkDeviceSize g_BufferMemoryAlignment = 256; -static VkPipelineCreateFlags g_PipelineCreateFlags = 0; -static int g_FrameIndex = 0; - -static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; -static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; -static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; -static VkPipeline g_Pipeline = VK_NULL_HANDLE; - -static VkSampler g_FontSampler = VK_NULL_HANDLE; -static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; -static VkImage g_FontImage = VK_NULL_HANDLE; -static VkImageView g_FontView = VK_NULL_HANDLE; - -static VkDeviceMemory g_VertexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceMemory g_IndexBufferMemory[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceSize g_VertexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkDeviceSize g_IndexBufferSize[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkBuffer g_VertexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; -static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {}; - -static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; -static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; - -static uint32_t __glsl_shader_vert_spv[] = -{ - 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, - 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, - 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, - 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, - 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, - 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, - 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, - 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, - 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, - 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, - 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, - 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, - 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, - 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, - 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, - 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, - 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, - 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, - 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, - 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, - 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, - 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, - 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, - 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, - 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, - 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, - 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, - 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, - 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, - 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, - 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, - 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, - 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, - 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, - 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, - 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, - 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, - 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, - 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, - 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, - 0x0000002d,0x0000002c,0x000100fd,0x00010038 -}; - -static uint32_t __glsl_shader_frag_spv[] = -{ - 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, - 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, - 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, - 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, - 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, - 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, - 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, - 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, - 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, - 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, - 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, - 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, - 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, - 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, - 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, - 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, - 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, - 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, - 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, - 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, - 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, - 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, - 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, - 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, - 0x00010038 -}; - -static uint32_t ImGui_ImplGlfwVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) -{ - VkPhysicalDeviceMemoryProperties prop; - vkGetPhysicalDeviceMemoryProperties(g_Gpu, &prop); - for (uint32_t i = 0; i < prop.memoryTypeCount; i++) - if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<TotalVtxCount == 0) - return; - - // Create the Vertex Buffer: - size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); - if (!g_VertexBuffer[g_FrameIndex] || g_VertexBufferSize[g_FrameIndex] < vertex_size) - { - if (g_VertexBuffer[g_FrameIndex]) - vkDestroyBuffer(g_Device, g_VertexBuffer[g_FrameIndex], g_Allocator); - if (g_VertexBufferMemory[g_FrameIndex]) - vkFreeMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], g_Allocator); - VkDeviceSize vertex_buffer_size = ((vertex_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = vertex_buffer_size; - buffer_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_VertexBuffer[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_VertexBuffer[g_FrameIndex], &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_VertexBufferMemory[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_VertexBuffer[g_FrameIndex], g_VertexBufferMemory[g_FrameIndex], 0); - ImGui_ImplGlfwVulkan_VkResult(err); - g_VertexBufferSize[g_FrameIndex] = vertex_buffer_size; - } - - // Create the Index Buffer: - size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); - if (!g_IndexBuffer[g_FrameIndex] || g_IndexBufferSize[g_FrameIndex] < index_size) - { - if (g_IndexBuffer[g_FrameIndex]) - vkDestroyBuffer(g_Device, g_IndexBuffer[g_FrameIndex], g_Allocator); - if (g_IndexBufferMemory[g_FrameIndex]) - vkFreeMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], g_Allocator); - VkDeviceSize index_buffer_size = ((index_size-1) / g_BufferMemoryAlignment+1) * g_BufferMemoryAlignment; - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = index_buffer_size; - buffer_info.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_IndexBuffer[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_IndexBuffer[g_FrameIndex], &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_IndexBufferMemory[g_FrameIndex]); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_IndexBuffer[g_FrameIndex], g_IndexBufferMemory[g_FrameIndex], 0); - ImGui_ImplGlfwVulkan_VkResult(err); - g_IndexBufferSize[g_FrameIndex] = index_buffer_size; - } - - // Upload Vertex and index Data: - { - ImDrawVert* vtx_dst; - ImDrawIdx* idx_dst; - err = vkMapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex], 0, vertex_size, 0, (void**)(&vtx_dst)); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkMapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex], 0, index_size, 0, (void**)(&idx_dst)); - ImGui_ImplGlfwVulkan_VkResult(err); - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); - memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); - vtx_dst += cmd_list->VtxBuffer.Size; - idx_dst += cmd_list->IdxBuffer.Size; - } - VkMappedMemoryRange range[2] = {}; - range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[0].memory = g_VertexBufferMemory[g_FrameIndex]; - range[0].size = VK_WHOLE_SIZE; - range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[1].memory = g_IndexBufferMemory[g_FrameIndex]; - range[1].size = VK_WHOLE_SIZE; - err = vkFlushMappedMemoryRanges(g_Device, 2, range); - ImGui_ImplGlfwVulkan_VkResult(err); - vkUnmapMemory(g_Device, g_VertexBufferMemory[g_FrameIndex]); - vkUnmapMemory(g_Device, g_IndexBufferMemory[g_FrameIndex]); - } - - // Bind pipeline and descriptor sets: - { - vkCmdBindPipeline(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); - VkDescriptorSet desc_set[1] = {g_DescriptorSet}; - vkCmdBindDescriptorSets(g_CommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); - } - - // Bind Vertex And Index Buffer: - { - VkBuffer vertex_buffers[1] = {g_VertexBuffer[g_FrameIndex]}; - VkDeviceSize vertex_offset[1] = {0}; - vkCmdBindVertexBuffers(g_CommandBuffer, 0, 1, vertex_buffers, vertex_offset); - vkCmdBindIndexBuffer(g_CommandBuffer, g_IndexBuffer[g_FrameIndex], 0, VK_INDEX_TYPE_UINT16); - } - - // Setup viewport: - { - VkViewport viewport; - viewport.x = 0; - viewport.y = 0; - viewport.width = ImGui::GetIO().DisplaySize.x; - viewport.height = ImGui::GetIO().DisplaySize.y; - viewport.minDepth = 0.0f; - viewport.maxDepth = 1.0f; - vkCmdSetViewport(g_CommandBuffer, 0, 1, &viewport); - } - - // Setup scale and translation: - { - float scale[2]; - scale[0] = 2.0f/io.DisplaySize.x; - scale[1] = 2.0f/io.DisplaySize.y; - float translate[2]; - translate[0] = -1.0f; - translate[1] = -1.0f; - vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); - vkCmdPushConstants(g_CommandBuffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); - } - - // Render the command lists: - int vtx_offset = 0; - int idx_offset = 0; - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - VkRect2D scissor; - scissor.offset.x = (int32_t)(pcmd->ClipRect.x) > 0 ? (int32_t)(pcmd->ClipRect.x) : 0; - scissor.offset.y = (int32_t)(pcmd->ClipRect.y) > 0 ? (int32_t)(pcmd->ClipRect.y) : 0; - scissor.extent.width = (uint32_t)(pcmd->ClipRect.z - pcmd->ClipRect.x); - scissor.extent.height = (uint32_t)(pcmd->ClipRect.w - pcmd->ClipRect.y + 1); // FIXME: Why +1 here? - vkCmdSetScissor(g_CommandBuffer, 0, 1, &scissor); - vkCmdDrawIndexed(g_CommandBuffer, pcmd->ElemCount, 1, idx_offset, vtx_offset, 0); - } - idx_offset += pcmd->ElemCount; - } - vtx_offset += cmd_list->VtxBuffer.Size; - } -} - -static const char* ImGui_ImplGlfwVulkan_GetClipboardText(void* user_data) -{ - return glfwGetClipboardString((GLFWwindow*)user_data); -} - -static void ImGui_ImplGlfwVulkan_SetClipboardText(void* user_data, const char* text) -{ - glfwSetClipboardString((GLFWwindow*)user_data, text); -} - -void ImGui_ImplGlfwVulkan_MouseButtonCallback(GLFWwindow*, int button, int action, int /*mods*/) -{ - if (action == GLFW_PRESS && button >= 0 && button < 3) - g_MouseJustPressed[button] = true; -} - -void ImGui_ImplGlfwVulkan_ScrollCallback(GLFWwindow*, double xoffset, double yoffset) -{ - ImGuiIO& io = ImGui::GetIO(); - io.MouseWheelH += (float)xoffset; - io.MouseWheel += (float)yoffset; -} - -void ImGui_ImplGlfwVulkan_KeyCallback(GLFWwindow*, int key, int, int action, int mods) -{ - ImGuiIO& io = ImGui::GetIO(); - if (action == GLFW_PRESS) - io.KeysDown[key] = true; - if (action == GLFW_RELEASE) - io.KeysDown[key] = false; - - (void)mods; // Modifiers are not reliable across systems - io.KeyCtrl = io.KeysDown[GLFW_KEY_LEFT_CONTROL] || io.KeysDown[GLFW_KEY_RIGHT_CONTROL]; - io.KeyShift = io.KeysDown[GLFW_KEY_LEFT_SHIFT] || io.KeysDown[GLFW_KEY_RIGHT_SHIFT]; - io.KeyAlt = io.KeysDown[GLFW_KEY_LEFT_ALT] || io.KeysDown[GLFW_KEY_RIGHT_ALT]; - io.KeySuper = io.KeysDown[GLFW_KEY_LEFT_SUPER] || io.KeysDown[GLFW_KEY_RIGHT_SUPER]; -} - -void ImGui_ImplGlfwVulkan_CharCallback(GLFWwindow*, unsigned int c) -{ - ImGuiIO& io = ImGui::GetIO(); - if (c > 0 && c < 0x10000) - io.AddInputCharacter((unsigned short)c); -} - -bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) -{ - ImGuiIO& io = ImGui::GetIO(); - - unsigned char* pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - size_t upload_size = width*height*4*sizeof(char); - - VkResult err; - - // Create the Image: - { - VkImageCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; - info.imageType = VK_IMAGE_TYPE_2D; - info.format = VK_FORMAT_R8G8B8A8_UNORM; - info.extent.width = width; - info.extent.height = height; - info.extent.depth = 1; - info.mipLevels = 1; - info.arrayLayers = 1; - info.samples = VK_SAMPLE_COUNT_1_BIT; - info.tiling = VK_IMAGE_TILING_OPTIMAL; - info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; - info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; - err = vkCreateImage(g_Device, &info, g_Allocator, &g_FontImage); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetImageMemoryRequirements(g_Device, g_FontImage, &req); - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_FontMemory); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindImageMemory(g_Device, g_FontImage, g_FontMemory, 0); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Create the Image View: - { - VkImageViewCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; - info.image = g_FontImage; - info.viewType = VK_IMAGE_VIEW_TYPE_2D; - info.format = VK_FORMAT_R8G8B8A8_UNORM; - info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - info.subresourceRange.levelCount = 1; - info.subresourceRange.layerCount = 1; - err = vkCreateImageView(g_Device, &info, g_Allocator, &g_FontView); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Update the Descriptor Set: - { - VkDescriptorImageInfo desc_image[1] = {}; - desc_image[0].sampler = g_FontSampler; - desc_image[0].imageView = g_FontView; - desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - VkWriteDescriptorSet write_desc[1] = {}; - write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; - write_desc[0].dstSet = g_DescriptorSet; - write_desc[0].descriptorCount = 1; - write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - write_desc[0].pImageInfo = desc_image; - vkUpdateDescriptorSets(g_Device, 1, write_desc, 0, NULL); - } - - // Create the Upload Buffer: - { - VkBufferCreateInfo buffer_info = {}; - buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - buffer_info.size = upload_size; - buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; - buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; - err = vkCreateBuffer(g_Device, &buffer_info, g_Allocator, &g_UploadBuffer); - ImGui_ImplGlfwVulkan_VkResult(err); - VkMemoryRequirements req; - vkGetBufferMemoryRequirements(g_Device, g_UploadBuffer, &req); - g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; - VkMemoryAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - alloc_info.allocationSize = req.size; - alloc_info.memoryTypeIndex = ImGui_ImplGlfwVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); - err = vkAllocateMemory(g_Device, &alloc_info, g_Allocator, &g_UploadBufferMemory); - ImGui_ImplGlfwVulkan_VkResult(err); - err = vkBindBufferMemory(g_Device, g_UploadBuffer, g_UploadBufferMemory, 0); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Upload to Buffer: - { - char* map = NULL; - err = vkMapMemory(g_Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); - ImGui_ImplGlfwVulkan_VkResult(err); - memcpy(map, pixels, upload_size); - VkMappedMemoryRange range[1] = {}; - range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - range[0].memory = g_UploadBufferMemory; - range[0].size = upload_size; - err = vkFlushMappedMemoryRanges(g_Device, 1, range); - ImGui_ImplGlfwVulkan_VkResult(err); - vkUnmapMemory(g_Device, g_UploadBufferMemory); - } - // Copy to Image: - { - VkImageMemoryBarrier copy_barrier[1] = {}; - copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; - copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; - copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; - copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; - copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - copy_barrier[0].image = g_FontImage; - copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - copy_barrier[0].subresourceRange.levelCount = 1; - copy_barrier[0].subresourceRange.layerCount = 1; - vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); - - VkBufferImageCopy region = {}; - region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - region.imageSubresource.layerCount = 1; - region.imageExtent.width = width; - region.imageExtent.height = height; - region.imageExtent.depth = 1; - vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); - - VkImageMemoryBarrier use_barrier[1] = {}; - use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; - use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; - use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; - use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; - use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; - use_barrier[0].image = g_FontImage; - use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - use_barrier[0].subresourceRange.levelCount = 1; - use_barrier[0].subresourceRange.layerCount = 1; - vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); - } - - // Store our identifier - io.Fonts->TexID = (void *)(intptr_t)g_FontImage; - - return true; -} - -bool ImGui_ImplGlfwVulkan_CreateDeviceObjects() -{ - VkResult err; - VkShaderModule vert_module; - VkShaderModule frag_module; - - // Create The Shader Modules: - { - VkShaderModuleCreateInfo vert_info = {}; - vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; - vert_info.codeSize = sizeof(__glsl_shader_vert_spv); - vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; - err = vkCreateShaderModule(g_Device, &vert_info, g_Allocator, &vert_module); - ImGui_ImplGlfwVulkan_VkResult(err); - VkShaderModuleCreateInfo frag_info = {}; - frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; - frag_info.codeSize = sizeof(__glsl_shader_frag_spv); - frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; - err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_FontSampler) - { - VkSamplerCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; - info.magFilter = VK_FILTER_LINEAR; - info.minFilter = VK_FILTER_LINEAR; - info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; - info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; - info.minLod = -1000; - info.maxLod = 1000; - info.maxAnisotropy = 1.0f; - err = vkCreateSampler(g_Device, &info, g_Allocator, &g_FontSampler); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_DescriptorSetLayout) - { - VkSampler sampler[1] = {g_FontSampler}; - VkDescriptorSetLayoutBinding binding[1] = {}; - binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - binding[0].descriptorCount = 1; - binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; - binding[0].pImmutableSamplers = sampler; - VkDescriptorSetLayoutCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; - info.bindingCount = 1; - info.pBindings = binding; - err = vkCreateDescriptorSetLayout(g_Device, &info, g_Allocator, &g_DescriptorSetLayout); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - // Create Descriptor Set: - { - VkDescriptorSetAllocateInfo alloc_info = {}; - alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; - alloc_info.descriptorPool = g_DescriptorPool; - alloc_info.descriptorSetCount = 1; - alloc_info.pSetLayouts = &g_DescriptorSetLayout; - err = vkAllocateDescriptorSets(g_Device, &alloc_info, &g_DescriptorSet); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - if (!g_PipelineLayout) - { - VkPushConstantRange push_constants[1] = {}; - push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; - push_constants[0].offset = sizeof(float) * 0; - push_constants[0].size = sizeof(float) * 4; - VkDescriptorSetLayout set_layout[1] = {g_DescriptorSetLayout}; - VkPipelineLayoutCreateInfo layout_info = {}; - layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; - layout_info.setLayoutCount = 1; - layout_info.pSetLayouts = set_layout; - layout_info.pushConstantRangeCount = 1; - layout_info.pPushConstantRanges = push_constants; - err = vkCreatePipelineLayout(g_Device, &layout_info, g_Allocator, &g_PipelineLayout); - ImGui_ImplGlfwVulkan_VkResult(err); - } - - VkPipelineShaderStageCreateInfo stage[2] = {}; - stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; - stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; - stage[0].module = vert_module; - stage[0].pName = "main"; - stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; - stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; - stage[1].module = frag_module; - stage[1].pName = "main"; - - VkVertexInputBindingDescription binding_desc[1] = {}; - binding_desc[0].stride = sizeof(ImDrawVert); - binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; - - VkVertexInputAttributeDescription attribute_desc[3] = {}; - attribute_desc[0].location = 0; - attribute_desc[0].binding = binding_desc[0].binding; - attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; - attribute_desc[0].offset = (size_t)(&((ImDrawVert*)0)->pos); - attribute_desc[1].location = 1; - attribute_desc[1].binding = binding_desc[0].binding; - attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; - attribute_desc[1].offset = (size_t)(&((ImDrawVert*)0)->uv); - attribute_desc[2].location = 2; - attribute_desc[2].binding = binding_desc[0].binding; - attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; - attribute_desc[2].offset = (size_t)(&((ImDrawVert*)0)->col); - - VkPipelineVertexInputStateCreateInfo vertex_info = {}; - vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; - vertex_info.vertexBindingDescriptionCount = 1; - vertex_info.pVertexBindingDescriptions = binding_desc; - vertex_info.vertexAttributeDescriptionCount = 3; - vertex_info.pVertexAttributeDescriptions = attribute_desc; - - VkPipelineInputAssemblyStateCreateInfo ia_info = {}; - ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; - ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; - - VkPipelineViewportStateCreateInfo viewport_info = {}; - viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; - viewport_info.viewportCount = 1; - viewport_info.scissorCount = 1; - - VkPipelineRasterizationStateCreateInfo raster_info = {}; - raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; - raster_info.polygonMode = VK_POLYGON_MODE_FILL; - raster_info.cullMode = VK_CULL_MODE_NONE; - raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; - raster_info.lineWidth = 1.0f; - - VkPipelineMultisampleStateCreateInfo ms_info = {}; - ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; - ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; - - VkPipelineColorBlendAttachmentState color_attachment[1] = {}; - color_attachment[0].blendEnable = VK_TRUE; - color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; - color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; - color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; - color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; - color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; - color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; - color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; - - VkPipelineDepthStencilStateCreateInfo depth_info = {}; - depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; - - VkPipelineColorBlendStateCreateInfo blend_info = {}; - blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; - blend_info.attachmentCount = 1; - blend_info.pAttachments = color_attachment; - - VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; - VkPipelineDynamicStateCreateInfo dynamic_state = {}; - dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; - dynamic_state.dynamicStateCount = 2; - dynamic_state.pDynamicStates = dynamic_states; - - VkGraphicsPipelineCreateInfo info = {}; - info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; - info.flags = g_PipelineCreateFlags; - info.stageCount = 2; - info.pStages = stage; - info.pVertexInputState = &vertex_info; - info.pInputAssemblyState = &ia_info; - info.pViewportState = &viewport_info; - info.pRasterizationState = &raster_info; - info.pMultisampleState = &ms_info; - info.pDepthStencilState = &depth_info; - info.pColorBlendState = &blend_info; - info.pDynamicState = &dynamic_state; - info.layout = g_PipelineLayout; - info.renderPass = g_RenderPass; - err = vkCreateGraphicsPipelines(g_Device, g_PipelineCache, 1, &info, g_Allocator, &g_Pipeline); - ImGui_ImplGlfwVulkan_VkResult(err); - - vkDestroyShaderModule(g_Device, vert_module, g_Allocator); - vkDestroyShaderModule(g_Device, frag_module, g_Allocator); - - return true; -} - -void ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects() -{ - if (g_UploadBuffer) - { - vkDestroyBuffer(g_Device, g_UploadBuffer, g_Allocator); - g_UploadBuffer = VK_NULL_HANDLE; - } - if (g_UploadBufferMemory) - { - vkFreeMemory(g_Device, g_UploadBufferMemory, g_Allocator); - g_UploadBufferMemory = VK_NULL_HANDLE; - } -} - -void ImGui_ImplGlfwVulkan_InvalidateDeviceObjects() -{ - ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); - - for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++) - { - if (g_VertexBuffer[i]) { vkDestroyBuffer(g_Device, g_VertexBuffer[i], g_Allocator); g_VertexBuffer[i] = VK_NULL_HANDLE; } - if (g_VertexBufferMemory[i]) { vkFreeMemory(g_Device, g_VertexBufferMemory[i], g_Allocator); g_VertexBufferMemory[i] = VK_NULL_HANDLE; } - if (g_IndexBuffer[i]) { vkDestroyBuffer(g_Device, g_IndexBuffer[i], g_Allocator); g_IndexBuffer[i] = VK_NULL_HANDLE; } - if (g_IndexBufferMemory[i]) { vkFreeMemory(g_Device, g_IndexBufferMemory[i], g_Allocator); g_IndexBufferMemory[i] = VK_NULL_HANDLE; } - } - - if (g_FontView) { vkDestroyImageView(g_Device, g_FontView, g_Allocator); g_FontView = VK_NULL_HANDLE; } - if (g_FontImage) { vkDestroyImage(g_Device, g_FontImage, g_Allocator); g_FontImage = VK_NULL_HANDLE; } - if (g_FontMemory) { vkFreeMemory(g_Device, g_FontMemory, g_Allocator); g_FontMemory = VK_NULL_HANDLE; } - if (g_FontSampler) { vkDestroySampler(g_Device, g_FontSampler, g_Allocator); g_FontSampler = VK_NULL_HANDLE; } - if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(g_Device, g_DescriptorSetLayout, g_Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } - if (g_PipelineLayout) { vkDestroyPipelineLayout(g_Device, g_PipelineLayout, g_Allocator); g_PipelineLayout = VK_NULL_HANDLE; } - if (g_Pipeline) { vkDestroyPipeline(g_Device, g_Pipeline, g_Allocator); g_Pipeline = VK_NULL_HANDLE; } -} - -bool ImGui_ImplGlfwVulkan_Init(GLFWwindow* window, bool install_callbacks, ImGui_ImplGlfwVulkan_Init_Data *init_data) -{ - g_Allocator = init_data->allocator; - g_Gpu = init_data->gpu; - g_Device = init_data->device; - g_RenderPass = init_data->render_pass; - g_PipelineCache = init_data->pipeline_cache; - g_DescriptorPool = init_data->descriptor_pool; - g_CheckVkResult = init_data->check_vk_result; - - g_Window = window; - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. - io.KeyMap[ImGuiKey_LeftArrow] = GLFW_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = GLFW_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = GLFW_KEY_PAGE_UP; - io.KeyMap[ImGuiKey_PageDown] = GLFW_KEY_PAGE_DOWN; - io.KeyMap[ImGuiKey_Home] = GLFW_KEY_HOME; - io.KeyMap[ImGuiKey_End] = GLFW_KEY_END; - io.KeyMap[ImGuiKey_Insert] = GLFW_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = GLFW_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = GLFW_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = GLFW_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = GLFW_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = GLFW_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = GLFW_KEY_A; - io.KeyMap[ImGuiKey_C] = GLFW_KEY_C; - io.KeyMap[ImGuiKey_V] = GLFW_KEY_V; - io.KeyMap[ImGuiKey_X] = GLFW_KEY_X; - io.KeyMap[ImGuiKey_Y] = GLFW_KEY_Y; - io.KeyMap[ImGuiKey_Z] = GLFW_KEY_Z; - - io.SetClipboardTextFn = ImGui_ImplGlfwVulkan_SetClipboardText; - io.GetClipboardTextFn = ImGui_ImplGlfwVulkan_GetClipboardText; - io.ClipboardUserData = g_Window; -#ifdef _WIN32 - io.ImeWindowHandle = glfwGetWin32Window(g_Window); -#endif - - if (install_callbacks) - { - glfwSetMouseButtonCallback(window, ImGui_ImplGlfwVulkan_MouseButtonCallback); - glfwSetScrollCallback(window, ImGui_ImplGlfwVulkan_ScrollCallback); - glfwSetKeyCallback(window, ImGui_ImplGlfwVulkan_KeyCallback); - glfwSetCharCallback(window, ImGui_ImplGlfwVulkan_CharCallback); - } - - ImGui_ImplGlfwVulkan_CreateDeviceObjects(); - - return true; -} - -void ImGui_ImplGlfwVulkan_Shutdown() -{ - ImGui_ImplGlfwVulkan_InvalidateDeviceObjects(); -} - -void ImGui_ImplGlfwVulkan_NewFrame() -{ - ImGuiIO& io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - int display_w, display_h; - glfwGetWindowSize(g_Window, &w, &h); - glfwGetFramebufferSize(g_Window, &display_w, &display_h); - io.DisplaySize = ImVec2((float)w, (float)h); - io.DisplayFramebufferScale = ImVec2(w > 0 ? ((float)display_w / w) : 0, h > 0 ? ((float)display_h / h) : 0); - - // Setup time step - double current_time = glfwGetTime(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - // (we already got mouse wheel, keyboard keys & characters from glfw callbacks polled in glfwPollEvents()) - if (glfwGetWindowAttrib(g_Window, GLFW_FOCUSED)) - { - double mouse_x, mouse_y; - glfwGetCursorPos(g_Window, &mouse_x, &mouse_y); - io.MousePos = ImVec2((float)mouse_x, (float)mouse_y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX); - } - - for (int i = 0; i < 3; i++) - { - io.MouseDown[i] = g_MouseJustPressed[i] || glfwGetMouseButton(g_Window, i) != 0; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. - g_MouseJustPressed[i] = false; - } - - // Hide OS mouse cursor if ImGui is drawing it - glfwSetInputMode(g_Window, GLFW_CURSOR, io.MouseDrawCursor ? GLFW_CURSOR_HIDDEN : GLFW_CURSOR_NORMAL); - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} - -void ImGui_ImplGlfwVulkan_Render(VkCommandBuffer command_buffer) -{ - g_CommandBuffer = command_buffer; - ImGui::Render(); - ImGui_ImplGlfwVulkan_RenderDrawData(ImGui::GetDrawData()); - g_CommandBuffer = VK_NULL_HANDLE; - g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; -} diff --git a/examples/vulkan_example/imgui_impl_glfw_vulkan.h b/examples/vulkan_example/imgui_impl_glfw_vulkan.h deleted file mode 100644 index 54918d3..0000000 --- a/examples/vulkan_example/imgui_impl_glfw_vulkan.h +++ /dev/null @@ -1,46 +0,0 @@ -// ImGui GLFW binding with Vulkan + shaders - -// Missing features: -// [ ] User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -struct GLFWwindow; - -#include - -#define IMGUI_VK_QUEUED_FRAMES 2 - -struct ImGui_ImplGlfwVulkan_Init_Data -{ - VkAllocationCallbacks* allocator; - VkPhysicalDevice gpu; - VkDevice device; - VkRenderPass render_pass; - VkPipelineCache pipeline_cache; - VkDescriptorPool descriptor_pool; - void (*check_vk_result)(VkResult err); -}; - -IMGUI_API bool ImGui_ImplGlfwVulkan_Init(GLFWwindow* window, bool install_callbacks, ImGui_ImplGlfwVulkan_Init_Data *init_data); -IMGUI_API void ImGui_ImplGlfwVulkan_Shutdown(); -IMGUI_API void ImGui_ImplGlfwVulkan_NewFrame(); -IMGUI_API void ImGui_ImplGlfwVulkan_Render(VkCommandBuffer command_buffer); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API void ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); -IMGUI_API void ImGui_ImplGlfwVulkan_InvalidateDeviceObjects(); -IMGUI_API bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); -IMGUI_API bool ImGui_ImplGlfwVulkan_CreateDeviceObjects(); - -// GLFW callbacks (installed by default if you enable 'install_callbacks' during initialization) -// Provided here if you want to chain callbacks. -// You can also handle inputs yourself and use those as a reference. -IMGUI_API void ImGui_ImplGlfwVulkan_MouseButtonCallback(GLFWwindow* window, int button, int action, int mods); -IMGUI_API void ImGui_ImplGlfwVulkan_ScrollCallback(GLFWwindow* window, double xoffset, double yoffset); -IMGUI_API void ImGui_ImplGlfwVulkan_KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods); -IMGUI_API void ImGui_ImplGlfwVulkan_CharCallback(GLFWwindow* window, unsigned int c); - diff --git a/examples/vulkan_example/main.cpp b/examples/vulkan_example/main.cpp index be5fe52..3a10afd 100644 --- a/examples/vulkan_example/main.cpp +++ b/examples/vulkan_example/main.cpp @@ -2,7 +2,8 @@ // If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. #include "imgui.h" -#include "imgui_impl_glfw_vulkan.h" +#include "../imgui_impl_glfw.h" +#include "../imgui_impl_vulkan.h" #include // printf, fprintf #include // abort @@ -616,7 +617,7 @@ // Setup ImGui binding ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; - ImGui_ImplGlfwVulkan_Init_Data init_data = {}; + ImGui_ImplVulkan_InitData init_data = {}; init_data.allocator = g_Allocator; init_data.gpu = g_Gpu; init_data.device = g_Device; @@ -624,7 +625,8 @@ init_data.pipeline_cache = g_PipelineCache; init_data.descriptor_pool = g_DescriptorPool; init_data.check_vk_result = check_vk_result; - ImGui_ImplGlfwVulkan_Init(window, true, &init_data); + ImGui_ImplVulkan_Init(&init_data); + ImGui_ImplGlfw_Init(window, true); //io.NavFlags |= ImGuiNavFlags_EnableKeyboard; // Enable Keyboard Controls // Setup style @@ -657,7 +659,7 @@ err = vkBeginCommandBuffer(g_CommandBuffer[g_FrameIndex], &begin_info); check_vk_result(err); - ImGui_ImplGlfwVulkan_CreateFontsTexture(g_CommandBuffer[g_FrameIndex]); + ImGui_ImplVulkan_CreateFontsTexture(g_CommandBuffer[g_FrameIndex]); VkSubmitInfo end_info = {}; end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; @@ -670,7 +672,7 @@ err = vkDeviceWaitIdle(g_Device); check_vk_result(err); - ImGui_ImplGlfwVulkan_InvalidateFontUploadObjects(); + ImGui_ImplVulkan_InvalidateFontUploadObjects(); } bool show_demo_window = true; @@ -681,9 +683,9 @@ // Hence we must render once and increase the g_FrameIndex without presenting, which we do before entering the render loop. // This is also the reason why frame_end() is split into frame_end() and frame_present(), the later one not being called here. #ifdef IMGUI_UNLIMITED_FRAME_RATE - ImGui_ImplGlfwVulkan_NewFrame(); + ImGui_ImplVulkan_NewFrame(); frame_begin(); - ImGui_ImplGlfwVulkan_Render(g_CommandBuffer[g_FrameIndex]); + ImGui_ImplVulkan_Render(g_CommandBuffer[g_FrameIndex]); frame_end(); g_FrameIndex = (g_FrameIndex + 1) % IMGUI_VK_QUEUED_FRAMES; #endif // IMGUI_UNLIMITED_FRAME_RATE @@ -696,7 +698,7 @@ // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. glfwPollEvents(); - ImGui_ImplGlfwVulkan_NewFrame(); + ImGui_ImplVulkan_NewFrame(); // 1. Show a simple window. // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug". @@ -737,7 +739,7 @@ memcpy(&g_ClearValue.color.float32[0], &clear_color, 4 * sizeof(float)); frame_begin(); - ImGui_ImplGlfwVulkan_Render(g_CommandBuffer[g_FrameIndex]); + ImGui_ImplVulkan_Render(g_CommandBuffer[g_FrameIndex]); frame_end(); frame_present(); } @@ -745,7 +747,7 @@ // Cleanup VkResult err = vkDeviceWaitIdle(g_Device); check_vk_result(err); - ImGui_ImplGlfwVulkan_Shutdown(); + ImGui_ImplVulkan_Shutdown(); ImGui::DestroyContext(); cleanup_vulkan(); glfwTerminate(); diff --git a/examples/vulkan_example/vulkan_example.vcxproj b/examples/vulkan_example/vulkan_example.vcxproj index a315d69..299b26f 100644 --- a/examples/vulkan_example/vulkan_example.vcxproj +++ b/examples/vulkan_example/vulkan_example.vcxproj @@ -153,14 +153,16 @@ - + + - + + diff --git a/examples/vulkan_example/vulkan_example.vcxproj.filters b/examples/vulkan_example/vulkan_example.vcxproj.filters index f3ed8ed..0fa42d7 100644 --- a/examples/vulkan_example/vulkan_example.vcxproj.filters +++ b/examples/vulkan_example/vulkan_example.vcxproj.filters @@ -22,7 +22,10 @@ sources - + + sources + + sources @@ -36,7 +39,10 @@ imgui - + + sources + + sources