diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 43cb038..80df107 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -124,7 +124,6 @@
                 antialias: options.antialias,
                 premultipliedAlpha: this.transparent && this.transparent !== 'notMultiplied',
                 stencil: true,
-                forceWebGL1:!!options.forceWebGL1,
                 preserveDrawingBuffer: options.preserveDrawingBuffer,
             });
         }

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 43cb038..80df107 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -124,7 +124,6 @@
                 antialias: options.antialias,
                 premultipliedAlpha: this.transparent && this.transparent !== 'notMultiplied',
                 stencil: true,
-                forceWebGL1:!!options.forceWebGL1,
                 preserveDrawingBuffer: options.preserveDrawingBuffer,
             });
         }
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index 87a0446..bc59e7f 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -1,4 +1,5 @@
 import WebGLSystem from './WebGLSystem';
+import settings from '../../../settings';
 
 let CONTEXT_UID = 0;
 
@@ -21,6 +22,8 @@
         this.handleContextLost = this.handleContextLost.bind(this);
         this.handleContextRestored = this.handleContextRestored.bind(this);
 
+        this.extensions = {};
+
         renderer.view.addEventListener('webglcontextlost', this.handleContextLost, false);
         renderer.view.addEventListener('webglcontextrestored', this.handleContextRestored, false);
     }
@@ -69,11 +72,9 @@
      */
     createContext(canvas, options)
     {
-
         let gl;
 
-        // disabled for now!
-        if(false)//!options.forceWebGL1)
+        if (settings.PREFER_WEBGL_2)
         {
             gl = canvas.getContext('webgl2', options);
         }
@@ -85,6 +86,7 @@
         else
         {
             this.webGLVersion = 1;
+
             gl = canvas.getContext('webgl', options)
             || canvas.getContext('experimental-webgl', options);
 
@@ -95,9 +97,33 @@
             }
         }
 
+        this.gl = gl;
+
+        this.getExtensions();
+
         return gl;
     }
 
+    getExtensions()
+    {
+        // time to set up default etensions that pixi uses..
+        const gl = this.gl;
+        const extensions = this.extensions;
+
+        if (this.webGLVersion === 1)
+        {
+            extensions.drawBuffers = gl.getExtension('WEBGL_draw_buffers');
+            extensions.depthTexture = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            extensions.floatTexture = gl.getExtension('OES_texture_float');
+
+            extensions.vertexArrayObject = gl.getExtension('OES_vertex_array_object')
+                                        || gl.getExtension('MOZ_OES_vertex_array_object')
+                                        || gl.getExtension('WEBKIT_OES_vertex_array_object');
+        }
+
+        // we don't use any specific WebGL 2 ones yet!
+    }
+
     /**
      * Handles a lost webgl context
      *

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 43cb038..80df107 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -124,7 +124,6 @@
                 antialias: options.antialias,
                 premultipliedAlpha: this.transparent && this.transparent !== 'notMultiplied',
                 stencil: true,
-                forceWebGL1:!!options.forceWebGL1,
                 preserveDrawingBuffer: options.preserveDrawingBuffer,
             });
         }
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index 87a0446..bc59e7f 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -1,4 +1,5 @@
 import WebGLSystem from './WebGLSystem';
+import settings from '../../../settings';
 
 let CONTEXT_UID = 0;
 
@@ -21,6 +22,8 @@
         this.handleContextLost = this.handleContextLost.bind(this);
         this.handleContextRestored = this.handleContextRestored.bind(this);
 
+        this.extensions = {};
+
         renderer.view.addEventListener('webglcontextlost', this.handleContextLost, false);
         renderer.view.addEventListener('webglcontextrestored', this.handleContextRestored, false);
     }
@@ -69,11 +72,9 @@
      */
     createContext(canvas, options)
     {
-
         let gl;
 
-        // disabled for now!
-        if(false)//!options.forceWebGL1)
+        if (settings.PREFER_WEBGL_2)
         {
             gl = canvas.getContext('webgl2', options);
         }
@@ -85,6 +86,7 @@
         else
         {
             this.webGLVersion = 1;
+
             gl = canvas.getContext('webgl', options)
             || canvas.getContext('experimental-webgl', options);
 
@@ -95,9 +97,33 @@
             }
         }
 
+        this.gl = gl;
+
+        this.getExtensions();
+
         return gl;
     }
 
+    getExtensions()
+    {
+        // time to set up default etensions that pixi uses..
+        const gl = this.gl;
+        const extensions = this.extensions;
+
+        if (this.webGLVersion === 1)
+        {
+            extensions.drawBuffers = gl.getExtension('WEBGL_draw_buffers');
+            extensions.depthTexture = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            extensions.floatTexture = gl.getExtension('OES_texture_float');
+
+            extensions.vertexArrayObject = gl.getExtension('OES_vertex_array_object')
+                                        || gl.getExtension('MOZ_OES_vertex_array_object')
+                                        || gl.getExtension('WEBKIT_OES_vertex_array_object');
+        }
+
+        // we don't use any specific WebGL 2 ones yet!
+    }
+
     /**
      * Handles a lost webgl context
      *
diff --git a/src/core/renderers/webgl/systems/FramebufferSystem.js b/src/core/renderers/webgl/systems/FramebufferSystem.js
index 214f5b1..d943d2f 100644
--- a/src/core/renderers/webgl/systems/FramebufferSystem.js
+++ b/src/core/renderers/webgl/systems/FramebufferSystem.js
@@ -17,7 +17,7 @@
         this.gl = this.renderer.gl;
         this.CONTEXT_UID = this.renderer.CONTEXT_UID;
 
-        this.drawBufferExtension = this.gl.getExtension('WEBGL_draw_buffers');
+        this.drawBufferExtension = this.renderer.context.extensions.drawBuffers;
     }
 
     bind(framebuffer)
@@ -170,7 +170,7 @@
 
         if (framebuffer.depthTexture)
         {
-            const depthTextureExt = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            const depthTextureExt = this.renderer.context.extensions.depthTexture;
 
             if (depthTextureExt)
             {

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 43cb038..80df107 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -124,7 +124,6 @@
                 antialias: options.antialias,
                 premultipliedAlpha: this.transparent && this.transparent !== 'notMultiplied',
                 stencil: true,
-                forceWebGL1:!!options.forceWebGL1,
                 preserveDrawingBuffer: options.preserveDrawingBuffer,
             });
         }
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index 87a0446..bc59e7f 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -1,4 +1,5 @@
 import WebGLSystem from './WebGLSystem';
+import settings from '../../../settings';
 
 let CONTEXT_UID = 0;
 
@@ -21,6 +22,8 @@
         this.handleContextLost = this.handleContextLost.bind(this);
         this.handleContextRestored = this.handleContextRestored.bind(this);
 
+        this.extensions = {};
+
         renderer.view.addEventListener('webglcontextlost', this.handleContextLost, false);
         renderer.view.addEventListener('webglcontextrestored', this.handleContextRestored, false);
     }
@@ -69,11 +72,9 @@
      */
     createContext(canvas, options)
     {
-
         let gl;
 
-        // disabled for now!
-        if(false)//!options.forceWebGL1)
+        if (settings.PREFER_WEBGL_2)
         {
             gl = canvas.getContext('webgl2', options);
         }
@@ -85,6 +86,7 @@
         else
         {
             this.webGLVersion = 1;
+
             gl = canvas.getContext('webgl', options)
             || canvas.getContext('experimental-webgl', options);
 
@@ -95,9 +97,33 @@
             }
         }
 
+        this.gl = gl;
+
+        this.getExtensions();
+
         return gl;
     }
 
+    getExtensions()
+    {
+        // time to set up default etensions that pixi uses..
+        const gl = this.gl;
+        const extensions = this.extensions;
+
+        if (this.webGLVersion === 1)
+        {
+            extensions.drawBuffers = gl.getExtension('WEBGL_draw_buffers');
+            extensions.depthTexture = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            extensions.floatTexture = gl.getExtension('OES_texture_float');
+
+            extensions.vertexArrayObject = gl.getExtension('OES_vertex_array_object')
+                                        || gl.getExtension('MOZ_OES_vertex_array_object')
+                                        || gl.getExtension('WEBKIT_OES_vertex_array_object');
+        }
+
+        // we don't use any specific WebGL 2 ones yet!
+    }
+
     /**
      * Handles a lost webgl context
      *
diff --git a/src/core/renderers/webgl/systems/FramebufferSystem.js b/src/core/renderers/webgl/systems/FramebufferSystem.js
index 214f5b1..d943d2f 100644
--- a/src/core/renderers/webgl/systems/FramebufferSystem.js
+++ b/src/core/renderers/webgl/systems/FramebufferSystem.js
@@ -17,7 +17,7 @@
         this.gl = this.renderer.gl;
         this.CONTEXT_UID = this.renderer.CONTEXT_UID;
 
-        this.drawBufferExtension = this.gl.getExtension('WEBGL_draw_buffers');
+        this.drawBufferExtension = this.renderer.context.extensions.drawBuffers;
     }
 
     bind(framebuffer)
@@ -170,7 +170,7 @@
 
         if (framebuffer.depthTexture)
         {
-            const depthTextureExt = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            const depthTextureExt = this.renderer.context.extensions.depthTexture;
 
             if (depthTextureExt)
             {
diff --git a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
index 67d9742..4777cea 100644
--- a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
+++ b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
@@ -48,9 +48,7 @@
         if (!gl.createVertexArray)
         {
             // webgl 1!
-            const nativeVaoExtension = gl.getExtension('OES_vertex_array_object')
-                                  || gl.getExtension('MOZ_OES_vertex_array_object')
-                                  || gl.getExtension('WEBKIT_OES_vertex_array_object');
+            const nativeVaoExtension = this.renderer.context.extensions.vertexArrayObject;
 
             if (nativeVaoExtension)
             {
@@ -58,14 +56,10 @@
                     nativeVaoExtension.createVertexArrayOES();
 
                 gl.bindVertexArray = (vao) =>
-                {
                     nativeVaoExtension.bindVertexArrayOES(vao);
-                };
 
                 gl.deleteVertexArray = (vao) =>
-                {
                     nativeVaoExtension.deleteVertexArrayOES(vao);
-                };
             }
             else
             {

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 43cb038..80df107 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -124,7 +124,6 @@
                 antialias: options.antialias,
                 premultipliedAlpha: this.transparent && this.transparent !== 'notMultiplied',
                 stencil: true,
-                forceWebGL1:!!options.forceWebGL1,
                 preserveDrawingBuffer: options.preserveDrawingBuffer,
             });
         }
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index 87a0446..bc59e7f 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -1,4 +1,5 @@
 import WebGLSystem from './WebGLSystem';
+import settings from '../../../settings';
 
 let CONTEXT_UID = 0;
 
@@ -21,6 +22,8 @@
         this.handleContextLost = this.handleContextLost.bind(this);
         this.handleContextRestored = this.handleContextRestored.bind(this);
 
+        this.extensions = {};
+
         renderer.view.addEventListener('webglcontextlost', this.handleContextLost, false);
         renderer.view.addEventListener('webglcontextrestored', this.handleContextRestored, false);
     }
@@ -69,11 +72,9 @@
      */
     createContext(canvas, options)
     {
-
         let gl;
 
-        // disabled for now!
-        if(false)//!options.forceWebGL1)
+        if (settings.PREFER_WEBGL_2)
         {
             gl = canvas.getContext('webgl2', options);
         }
@@ -85,6 +86,7 @@
         else
         {
             this.webGLVersion = 1;
+
             gl = canvas.getContext('webgl', options)
             || canvas.getContext('experimental-webgl', options);
 
@@ -95,9 +97,33 @@
             }
         }
 
+        this.gl = gl;
+
+        this.getExtensions();
+
         return gl;
     }
 
+    getExtensions()
+    {
+        // time to set up default etensions that pixi uses..
+        const gl = this.gl;
+        const extensions = this.extensions;
+
+        if (this.webGLVersion === 1)
+        {
+            extensions.drawBuffers = gl.getExtension('WEBGL_draw_buffers');
+            extensions.depthTexture = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            extensions.floatTexture = gl.getExtension('OES_texture_float');
+
+            extensions.vertexArrayObject = gl.getExtension('OES_vertex_array_object')
+                                        || gl.getExtension('MOZ_OES_vertex_array_object')
+                                        || gl.getExtension('WEBKIT_OES_vertex_array_object');
+        }
+
+        // we don't use any specific WebGL 2 ones yet!
+    }
+
     /**
      * Handles a lost webgl context
      *
diff --git a/src/core/renderers/webgl/systems/FramebufferSystem.js b/src/core/renderers/webgl/systems/FramebufferSystem.js
index 214f5b1..d943d2f 100644
--- a/src/core/renderers/webgl/systems/FramebufferSystem.js
+++ b/src/core/renderers/webgl/systems/FramebufferSystem.js
@@ -17,7 +17,7 @@
         this.gl = this.renderer.gl;
         this.CONTEXT_UID = this.renderer.CONTEXT_UID;
 
-        this.drawBufferExtension = this.gl.getExtension('WEBGL_draw_buffers');
+        this.drawBufferExtension = this.renderer.context.extensions.drawBuffers;
     }
 
     bind(framebuffer)
@@ -170,7 +170,7 @@
 
         if (framebuffer.depthTexture)
         {
-            const depthTextureExt = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            const depthTextureExt = this.renderer.context.extensions.depthTexture;
 
             if (depthTextureExt)
             {
diff --git a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
index 67d9742..4777cea 100644
--- a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
+++ b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
@@ -48,9 +48,7 @@
         if (!gl.createVertexArray)
         {
             // webgl 1!
-            const nativeVaoExtension = gl.getExtension('OES_vertex_array_object')
-                                  || gl.getExtension('MOZ_OES_vertex_array_object')
-                                  || gl.getExtension('WEBKIT_OES_vertex_array_object');
+            const nativeVaoExtension = this.renderer.context.extensions.vertexArrayObject;
 
             if (nativeVaoExtension)
             {
@@ -58,14 +56,10 @@
                     nativeVaoExtension.createVertexArrayOES();
 
                 gl.bindVertexArray = (vao) =>
-                {
                     nativeVaoExtension.bindVertexArrayOES(vao);
-                };
 
                 gl.deleteVertexArray = (vao) =>
-                {
                     nativeVaoExtension.deleteVertexArrayOES(vao);
-                };
             }
             else
             {
diff --git a/src/core/renderers/webgl/systems/shader/shader/compileProgram.js b/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
index 2d2de80..0f30fae 100644
--- a/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
+++ b/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
@@ -68,8 +68,9 @@
 
     if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS))
     {
-        console.log(src)
+        console.warn(src);
         console.error(gl.getShaderInfoLog(shader));
+
         return null;
     }
 

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 43cb038..80df107 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -124,7 +124,6 @@
                 antialias: options.antialias,
                 premultipliedAlpha: this.transparent && this.transparent !== 'notMultiplied',
                 stencil: true,
-                forceWebGL1:!!options.forceWebGL1,
                 preserveDrawingBuffer: options.preserveDrawingBuffer,
             });
         }
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index 87a0446..bc59e7f 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -1,4 +1,5 @@
 import WebGLSystem from './WebGLSystem';
+import settings from '../../../settings';
 
 let CONTEXT_UID = 0;
 
@@ -21,6 +22,8 @@
         this.handleContextLost = this.handleContextLost.bind(this);
         this.handleContextRestored = this.handleContextRestored.bind(this);
 
+        this.extensions = {};
+
         renderer.view.addEventListener('webglcontextlost', this.handleContextLost, false);
         renderer.view.addEventListener('webglcontextrestored', this.handleContextRestored, false);
     }
@@ -69,11 +72,9 @@
      */
     createContext(canvas, options)
     {
-
         let gl;
 
-        // disabled for now!
-        if(false)//!options.forceWebGL1)
+        if (settings.PREFER_WEBGL_2)
         {
             gl = canvas.getContext('webgl2', options);
         }
@@ -85,6 +86,7 @@
         else
         {
             this.webGLVersion = 1;
+
             gl = canvas.getContext('webgl', options)
             || canvas.getContext('experimental-webgl', options);
 
@@ -95,9 +97,33 @@
             }
         }
 
+        this.gl = gl;
+
+        this.getExtensions();
+
         return gl;
     }
 
+    getExtensions()
+    {
+        // time to set up default etensions that pixi uses..
+        const gl = this.gl;
+        const extensions = this.extensions;
+
+        if (this.webGLVersion === 1)
+        {
+            extensions.drawBuffers = gl.getExtension('WEBGL_draw_buffers');
+            extensions.depthTexture = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            extensions.floatTexture = gl.getExtension('OES_texture_float');
+
+            extensions.vertexArrayObject = gl.getExtension('OES_vertex_array_object')
+                                        || gl.getExtension('MOZ_OES_vertex_array_object')
+                                        || gl.getExtension('WEBKIT_OES_vertex_array_object');
+        }
+
+        // we don't use any specific WebGL 2 ones yet!
+    }
+
     /**
      * Handles a lost webgl context
      *
diff --git a/src/core/renderers/webgl/systems/FramebufferSystem.js b/src/core/renderers/webgl/systems/FramebufferSystem.js
index 214f5b1..d943d2f 100644
--- a/src/core/renderers/webgl/systems/FramebufferSystem.js
+++ b/src/core/renderers/webgl/systems/FramebufferSystem.js
@@ -17,7 +17,7 @@
         this.gl = this.renderer.gl;
         this.CONTEXT_UID = this.renderer.CONTEXT_UID;
 
-        this.drawBufferExtension = this.gl.getExtension('WEBGL_draw_buffers');
+        this.drawBufferExtension = this.renderer.context.extensions.drawBuffers;
     }
 
     bind(framebuffer)
@@ -170,7 +170,7 @@
 
         if (framebuffer.depthTexture)
         {
-            const depthTextureExt = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            const depthTextureExt = this.renderer.context.extensions.depthTexture;
 
             if (depthTextureExt)
             {
diff --git a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
index 67d9742..4777cea 100644
--- a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
+++ b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
@@ -48,9 +48,7 @@
         if (!gl.createVertexArray)
         {
             // webgl 1!
-            const nativeVaoExtension = gl.getExtension('OES_vertex_array_object')
-                                  || gl.getExtension('MOZ_OES_vertex_array_object')
-                                  || gl.getExtension('WEBKIT_OES_vertex_array_object');
+            const nativeVaoExtension = this.renderer.context.extensions.vertexArrayObject;
 
             if (nativeVaoExtension)
             {
@@ -58,14 +56,10 @@
                     nativeVaoExtension.createVertexArrayOES();
 
                 gl.bindVertexArray = (vao) =>
-                {
                     nativeVaoExtension.bindVertexArrayOES(vao);
-                };
 
                 gl.deleteVertexArray = (vao) =>
-                {
                     nativeVaoExtension.deleteVertexArrayOES(vao);
-                };
             }
             else
             {
diff --git a/src/core/renderers/webgl/systems/shader/shader/compileProgram.js b/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
index 2d2de80..0f30fae 100644
--- a/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
+++ b/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
@@ -68,8 +68,9 @@
 
     if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS))
     {
-        console.log(src)
+        console.warn(src);
         console.error(gl.getShaderInfoLog(shader));
+
         return null;
     }
 
diff --git a/src/core/settings.js b/src/core/settings.js
index bb636aa..6fc239b 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -46,6 +46,8 @@
      */
     RESOLUTION: 1,
 
+    PREFER_WEBGL_2: false,
+
     /**
      * Default filter resolution.
      *
@@ -218,5 +220,4 @@
      * @type {boolean}
      */
     CAN_UPLOAD_SAME_BUFFER: canUploadSameBuffer(),
-
 };

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 43cb038..80df107 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -124,7 +124,6 @@
                 antialias: options.antialias,
                 premultipliedAlpha: this.transparent && this.transparent !== 'notMultiplied',
                 stencil: true,
-                forceWebGL1:!!options.forceWebGL1,
                 preserveDrawingBuffer: options.preserveDrawingBuffer,
             });
         }
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index 87a0446..bc59e7f 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -1,4 +1,5 @@
 import WebGLSystem from './WebGLSystem';
+import settings from '../../../settings';
 
 let CONTEXT_UID = 0;
 
@@ -21,6 +22,8 @@
         this.handleContextLost = this.handleContextLost.bind(this);
         this.handleContextRestored = this.handleContextRestored.bind(this);
 
+        this.extensions = {};
+
         renderer.view.addEventListener('webglcontextlost', this.handleContextLost, false);
         renderer.view.addEventListener('webglcontextrestored', this.handleContextRestored, false);
     }
@@ -69,11 +72,9 @@
      */
     createContext(canvas, options)
     {
-
         let gl;
 
-        // disabled for now!
-        if(false)//!options.forceWebGL1)
+        if (settings.PREFER_WEBGL_2)
         {
             gl = canvas.getContext('webgl2', options);
         }
@@ -85,6 +86,7 @@
         else
         {
             this.webGLVersion = 1;
+
             gl = canvas.getContext('webgl', options)
             || canvas.getContext('experimental-webgl', options);
 
@@ -95,9 +97,33 @@
             }
         }
 
+        this.gl = gl;
+
+        this.getExtensions();
+
         return gl;
     }
 
+    getExtensions()
+    {
+        // time to set up default etensions that pixi uses..
+        const gl = this.gl;
+        const extensions = this.extensions;
+
+        if (this.webGLVersion === 1)
+        {
+            extensions.drawBuffers = gl.getExtension('WEBGL_draw_buffers');
+            extensions.depthTexture = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            extensions.floatTexture = gl.getExtension('OES_texture_float');
+
+            extensions.vertexArrayObject = gl.getExtension('OES_vertex_array_object')
+                                        || gl.getExtension('MOZ_OES_vertex_array_object')
+                                        || gl.getExtension('WEBKIT_OES_vertex_array_object');
+        }
+
+        // we don't use any specific WebGL 2 ones yet!
+    }
+
     /**
      * Handles a lost webgl context
      *
diff --git a/src/core/renderers/webgl/systems/FramebufferSystem.js b/src/core/renderers/webgl/systems/FramebufferSystem.js
index 214f5b1..d943d2f 100644
--- a/src/core/renderers/webgl/systems/FramebufferSystem.js
+++ b/src/core/renderers/webgl/systems/FramebufferSystem.js
@@ -17,7 +17,7 @@
         this.gl = this.renderer.gl;
         this.CONTEXT_UID = this.renderer.CONTEXT_UID;
 
-        this.drawBufferExtension = this.gl.getExtension('WEBGL_draw_buffers');
+        this.drawBufferExtension = this.renderer.context.extensions.drawBuffers;
     }
 
     bind(framebuffer)
@@ -170,7 +170,7 @@
 
         if (framebuffer.depthTexture)
         {
-            const depthTextureExt = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            const depthTextureExt = this.renderer.context.extensions.depthTexture;
 
             if (depthTextureExt)
             {
diff --git a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
index 67d9742..4777cea 100644
--- a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
+++ b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
@@ -48,9 +48,7 @@
         if (!gl.createVertexArray)
         {
             // webgl 1!
-            const nativeVaoExtension = gl.getExtension('OES_vertex_array_object')
-                                  || gl.getExtension('MOZ_OES_vertex_array_object')
-                                  || gl.getExtension('WEBKIT_OES_vertex_array_object');
+            const nativeVaoExtension = this.renderer.context.extensions.vertexArrayObject;
 
             if (nativeVaoExtension)
             {
@@ -58,14 +56,10 @@
                     nativeVaoExtension.createVertexArrayOES();
 
                 gl.bindVertexArray = (vao) =>
-                {
                     nativeVaoExtension.bindVertexArrayOES(vao);
-                };
 
                 gl.deleteVertexArray = (vao) =>
-                {
                     nativeVaoExtension.deleteVertexArrayOES(vao);
-                };
             }
             else
             {
diff --git a/src/core/renderers/webgl/systems/shader/shader/compileProgram.js b/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
index 2d2de80..0f30fae 100644
--- a/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
+++ b/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
@@ -68,8 +68,9 @@
 
     if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS))
     {
-        console.log(src)
+        console.warn(src);
         console.error(gl.getShaderInfoLog(shader));
+
         return null;
     }
 
diff --git a/src/core/settings.js b/src/core/settings.js
index bb636aa..6fc239b 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -46,6 +46,8 @@
      */
     RESOLUTION: 1,
 
+    PREFER_WEBGL_2: false,
+
     /**
      * Default filter resolution.
      *
@@ -218,5 +220,4 @@
      * @type {boolean}
      */
     CAN_UPLOAD_SAME_BUFFER: canUploadSameBuffer(),
-
 };
diff --git a/src/core/shader/Shader.js b/src/core/shader/Shader.js
index 97d59a0..61bf8fb 100644
--- a/src/core/shader/Shader.js
+++ b/src/core/shader/Shader.js
@@ -47,6 +47,7 @@
         }
     }
 
+    // TODO move to shader system..
     checkUniformExists(name, group)
     {
         if (group.uniforms[name])

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 43cb038..80df107 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -124,7 +124,6 @@
                 antialias: options.antialias,
                 premultipliedAlpha: this.transparent && this.transparent !== 'notMultiplied',
                 stencil: true,
-                forceWebGL1:!!options.forceWebGL1,
                 preserveDrawingBuffer: options.preserveDrawingBuffer,
             });
         }
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index 87a0446..bc59e7f 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -1,4 +1,5 @@
 import WebGLSystem from './WebGLSystem';
+import settings from '../../../settings';
 
 let CONTEXT_UID = 0;
 
@@ -21,6 +22,8 @@
         this.handleContextLost = this.handleContextLost.bind(this);
         this.handleContextRestored = this.handleContextRestored.bind(this);
 
+        this.extensions = {};
+
         renderer.view.addEventListener('webglcontextlost', this.handleContextLost, false);
         renderer.view.addEventListener('webglcontextrestored', this.handleContextRestored, false);
     }
@@ -69,11 +72,9 @@
      */
     createContext(canvas, options)
     {
-
         let gl;
 
-        // disabled for now!
-        if(false)//!options.forceWebGL1)
+        if (settings.PREFER_WEBGL_2)
         {
             gl = canvas.getContext('webgl2', options);
         }
@@ -85,6 +86,7 @@
         else
         {
             this.webGLVersion = 1;
+
             gl = canvas.getContext('webgl', options)
             || canvas.getContext('experimental-webgl', options);
 
@@ -95,9 +97,33 @@
             }
         }
 
+        this.gl = gl;
+
+        this.getExtensions();
+
         return gl;
     }
 
+    getExtensions()
+    {
+        // time to set up default etensions that pixi uses..
+        const gl = this.gl;
+        const extensions = this.extensions;
+
+        if (this.webGLVersion === 1)
+        {
+            extensions.drawBuffers = gl.getExtension('WEBGL_draw_buffers');
+            extensions.depthTexture = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            extensions.floatTexture = gl.getExtension('OES_texture_float');
+
+            extensions.vertexArrayObject = gl.getExtension('OES_vertex_array_object')
+                                        || gl.getExtension('MOZ_OES_vertex_array_object')
+                                        || gl.getExtension('WEBKIT_OES_vertex_array_object');
+        }
+
+        // we don't use any specific WebGL 2 ones yet!
+    }
+
     /**
      * Handles a lost webgl context
      *
diff --git a/src/core/renderers/webgl/systems/FramebufferSystem.js b/src/core/renderers/webgl/systems/FramebufferSystem.js
index 214f5b1..d943d2f 100644
--- a/src/core/renderers/webgl/systems/FramebufferSystem.js
+++ b/src/core/renderers/webgl/systems/FramebufferSystem.js
@@ -17,7 +17,7 @@
         this.gl = this.renderer.gl;
         this.CONTEXT_UID = this.renderer.CONTEXT_UID;
 
-        this.drawBufferExtension = this.gl.getExtension('WEBGL_draw_buffers');
+        this.drawBufferExtension = this.renderer.context.extensions.drawBuffers;
     }
 
     bind(framebuffer)
@@ -170,7 +170,7 @@
 
         if (framebuffer.depthTexture)
         {
-            const depthTextureExt = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            const depthTextureExt = this.renderer.context.extensions.depthTexture;
 
             if (depthTextureExt)
             {
diff --git a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
index 67d9742..4777cea 100644
--- a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
+++ b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
@@ -48,9 +48,7 @@
         if (!gl.createVertexArray)
         {
             // webgl 1!
-            const nativeVaoExtension = gl.getExtension('OES_vertex_array_object')
-                                  || gl.getExtension('MOZ_OES_vertex_array_object')
-                                  || gl.getExtension('WEBKIT_OES_vertex_array_object');
+            const nativeVaoExtension = this.renderer.context.extensions.vertexArrayObject;
 
             if (nativeVaoExtension)
             {
@@ -58,14 +56,10 @@
                     nativeVaoExtension.createVertexArrayOES();
 
                 gl.bindVertexArray = (vao) =>
-                {
                     nativeVaoExtension.bindVertexArrayOES(vao);
-                };
 
                 gl.deleteVertexArray = (vao) =>
-                {
                     nativeVaoExtension.deleteVertexArrayOES(vao);
-                };
             }
             else
             {
diff --git a/src/core/renderers/webgl/systems/shader/shader/compileProgram.js b/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
index 2d2de80..0f30fae 100644
--- a/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
+++ b/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
@@ -68,8 +68,9 @@
 
     if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS))
     {
-        console.log(src)
+        console.warn(src);
         console.error(gl.getShaderInfoLog(shader));
+
         return null;
     }
 
diff --git a/src/core/settings.js b/src/core/settings.js
index bb636aa..6fc239b 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -46,6 +46,8 @@
      */
     RESOLUTION: 1,
 
+    PREFER_WEBGL_2: false,
+
     /**
      * Default filter resolution.
      *
@@ -218,5 +220,4 @@
      * @type {boolean}
      */
     CAN_UPLOAD_SAME_BUFFER: canUploadSameBuffer(),
-
 };
diff --git a/src/core/shader/Shader.js b/src/core/shader/Shader.js
index 97d59a0..61bf8fb 100644
--- a/src/core/shader/Shader.js
+++ b/src/core/shader/Shader.js
@@ -47,6 +47,7 @@
         }
     }
 
+    // TODO move to shader system..
     checkUniformExists(name, group)
     {
         if (group.uniforms[name])
diff --git a/src/core/utils/getTestContext.js b/src/core/utils/getTestContext.js
index a4a24cd..3e17994 100644
--- a/src/core/utils/getTestContext.js
+++ b/src/core/utils/getTestContext.js
@@ -1,3 +1,5 @@
+import settings from '../settings';
+
 let context = null;
 
 /**
@@ -13,25 +15,34 @@
     if (!context)
     {
         const canvas = document.createElement('canvas');
-        const options = {};
 
-        canvas.width = 1;
-        canvas.height = 1;
+        let gl;
 
-
-        context = canvas.getContext('webgl', options)
-               || canvas.getContext('experimental-webgl', options);
-
-
-        //canvas.getContext('webgl2', options)
-        var xt = context.getExtension('WEBGL_draw_buffers');
-
-
-        if (!context)
+        if (settings.PREFER_WEBGL_2)
         {
-            // fail, not able to get a context
-            throw new Error('This browser does not support webGL. Try using the canvas renderer');
+            gl = canvas.getContext('webgl2', {});
         }
+
+        if (!gl)
+        {
+            gl = canvas.getContext('webgl', {})
+            || canvas.getContext('experimental-webgl', {});
+
+            if (!gl)
+            {
+                // fail, not able to get a context
+                throw new Error('This browser does not support webGL. Try using the canvas renderer');
+            }
+            else
+            {
+                // for shader testing..
+                gl.getExtension('WEBGL_draw_buffers');
+            }
+        }
+
+        context = gl;
+
+        return gl;
     }
 
     return context;

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 43cb038..80df107 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -124,7 +124,6 @@
                 antialias: options.antialias,
                 premultipliedAlpha: this.transparent && this.transparent !== 'notMultiplied',
                 stencil: true,
-                forceWebGL1:!!options.forceWebGL1,
                 preserveDrawingBuffer: options.preserveDrawingBuffer,
             });
         }
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index 87a0446..bc59e7f 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -1,4 +1,5 @@
 import WebGLSystem from './WebGLSystem';
+import settings from '../../../settings';
 
 let CONTEXT_UID = 0;
 
@@ -21,6 +22,8 @@
         this.handleContextLost = this.handleContextLost.bind(this);
         this.handleContextRestored = this.handleContextRestored.bind(this);
 
+        this.extensions = {};
+
         renderer.view.addEventListener('webglcontextlost', this.handleContextLost, false);
         renderer.view.addEventListener('webglcontextrestored', this.handleContextRestored, false);
     }
@@ -69,11 +72,9 @@
      */
     createContext(canvas, options)
     {
-
         let gl;
 
-        // disabled for now!
-        if(false)//!options.forceWebGL1)
+        if (settings.PREFER_WEBGL_2)
         {
             gl = canvas.getContext('webgl2', options);
         }
@@ -85,6 +86,7 @@
         else
         {
             this.webGLVersion = 1;
+
             gl = canvas.getContext('webgl', options)
             || canvas.getContext('experimental-webgl', options);
 
@@ -95,9 +97,33 @@
             }
         }
 
+        this.gl = gl;
+
+        this.getExtensions();
+
         return gl;
     }
 
+    getExtensions()
+    {
+        // time to set up default etensions that pixi uses..
+        const gl = this.gl;
+        const extensions = this.extensions;
+
+        if (this.webGLVersion === 1)
+        {
+            extensions.drawBuffers = gl.getExtension('WEBGL_draw_buffers');
+            extensions.depthTexture = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            extensions.floatTexture = gl.getExtension('OES_texture_float');
+
+            extensions.vertexArrayObject = gl.getExtension('OES_vertex_array_object')
+                                        || gl.getExtension('MOZ_OES_vertex_array_object')
+                                        || gl.getExtension('WEBKIT_OES_vertex_array_object');
+        }
+
+        // we don't use any specific WebGL 2 ones yet!
+    }
+
     /**
      * Handles a lost webgl context
      *
diff --git a/src/core/renderers/webgl/systems/FramebufferSystem.js b/src/core/renderers/webgl/systems/FramebufferSystem.js
index 214f5b1..d943d2f 100644
--- a/src/core/renderers/webgl/systems/FramebufferSystem.js
+++ b/src/core/renderers/webgl/systems/FramebufferSystem.js
@@ -17,7 +17,7 @@
         this.gl = this.renderer.gl;
         this.CONTEXT_UID = this.renderer.CONTEXT_UID;
 
-        this.drawBufferExtension = this.gl.getExtension('WEBGL_draw_buffers');
+        this.drawBufferExtension = this.renderer.context.extensions.drawBuffers;
     }
 
     bind(framebuffer)
@@ -170,7 +170,7 @@
 
         if (framebuffer.depthTexture)
         {
-            const depthTextureExt = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            const depthTextureExt = this.renderer.context.extensions.depthTexture;
 
             if (depthTextureExt)
             {
diff --git a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
index 67d9742..4777cea 100644
--- a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
+++ b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
@@ -48,9 +48,7 @@
         if (!gl.createVertexArray)
         {
             // webgl 1!
-            const nativeVaoExtension = gl.getExtension('OES_vertex_array_object')
-                                  || gl.getExtension('MOZ_OES_vertex_array_object')
-                                  || gl.getExtension('WEBKIT_OES_vertex_array_object');
+            const nativeVaoExtension = this.renderer.context.extensions.vertexArrayObject;
 
             if (nativeVaoExtension)
             {
@@ -58,14 +56,10 @@
                     nativeVaoExtension.createVertexArrayOES();
 
                 gl.bindVertexArray = (vao) =>
-                {
                     nativeVaoExtension.bindVertexArrayOES(vao);
-                };
 
                 gl.deleteVertexArray = (vao) =>
-                {
                     nativeVaoExtension.deleteVertexArrayOES(vao);
-                };
             }
             else
             {
diff --git a/src/core/renderers/webgl/systems/shader/shader/compileProgram.js b/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
index 2d2de80..0f30fae 100644
--- a/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
+++ b/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
@@ -68,8 +68,9 @@
 
     if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS))
     {
-        console.log(src)
+        console.warn(src);
         console.error(gl.getShaderInfoLog(shader));
+
         return null;
     }
 
diff --git a/src/core/settings.js b/src/core/settings.js
index bb636aa..6fc239b 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -46,6 +46,8 @@
      */
     RESOLUTION: 1,
 
+    PREFER_WEBGL_2: false,
+
     /**
      * Default filter resolution.
      *
@@ -218,5 +220,4 @@
      * @type {boolean}
      */
     CAN_UPLOAD_SAME_BUFFER: canUploadSameBuffer(),
-
 };
diff --git a/src/core/shader/Shader.js b/src/core/shader/Shader.js
index 97d59a0..61bf8fb 100644
--- a/src/core/shader/Shader.js
+++ b/src/core/shader/Shader.js
@@ -47,6 +47,7 @@
         }
     }
 
+    // TODO move to shader system..
     checkUniformExists(name, group)
     {
         if (group.uniforms[name])
diff --git a/src/core/utils/getTestContext.js b/src/core/utils/getTestContext.js
index a4a24cd..3e17994 100644
--- a/src/core/utils/getTestContext.js
+++ b/src/core/utils/getTestContext.js
@@ -1,3 +1,5 @@
+import settings from '../settings';
+
 let context = null;
 
 /**
@@ -13,25 +15,34 @@
     if (!context)
     {
         const canvas = document.createElement('canvas');
-        const options = {};
 
-        canvas.width = 1;
-        canvas.height = 1;
+        let gl;
 
-
-        context = canvas.getContext('webgl', options)
-               || canvas.getContext('experimental-webgl', options);
-
-
-        //canvas.getContext('webgl2', options)
-        var xt = context.getExtension('WEBGL_draw_buffers');
-
-
-        if (!context)
+        if (settings.PREFER_WEBGL_2)
         {
-            // fail, not able to get a context
-            throw new Error('This browser does not support webGL. Try using the canvas renderer');
+            gl = canvas.getContext('webgl2', {});
         }
+
+        if (!gl)
+        {
+            gl = canvas.getContext('webgl', {})
+            || canvas.getContext('experimental-webgl', {});
+
+            if (!gl)
+            {
+                // fail, not able to get a context
+                throw new Error('This browser does not support webGL. Try using the canvas renderer');
+            }
+            else
+            {
+                // for shader testing..
+                gl.getExtension('WEBGL_draw_buffers');
+            }
+        }
+
+        context = gl;
+
+        return gl;
     }
 
     return context;
diff --git a/src/deprecation.js b/src/deprecation.js
index c4aa8df..0bc5f5a 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -1,6 +1,6 @@
 import * as core from './core';
 import * as mesh from './mesh';
-//import * as particles from './particles';
+// import * as particles from './particles';
 import * as extras from './extras';
 import * as filters from './filters';
 import * as prepare from './prepare';
@@ -157,7 +157,7 @@
      * @see PIXI.particles.ParticleContainer
      * @deprecated since version 4.0.0
      */
-    /*ParticleContainer: {
+    /* ParticleContainer: {
         enumerable: true,
         get()
         {
@@ -166,7 +166,7 @@
 
             return particles.ParticleContainer;
         },
-    },*/
+    }, */
 
     /**
      * @class

diff --git a/src/core/renderers/webgl/WebGLRenderer.js b/src/core/renderers/webgl/WebGLRenderer.js
index 43cb038..80df107 100644
--- a/src/core/renderers/webgl/WebGLRenderer.js
+++ b/src/core/renderers/webgl/WebGLRenderer.js
@@ -124,7 +124,6 @@
                 antialias: options.antialias,
                 premultipliedAlpha: this.transparent && this.transparent !== 'notMultiplied',
                 stencil: true,
-                forceWebGL1:!!options.forceWebGL1,
                 preserveDrawingBuffer: options.preserveDrawingBuffer,
             });
         }
diff --git a/src/core/renderers/webgl/systems/ContextSystem.js b/src/core/renderers/webgl/systems/ContextSystem.js
index 87a0446..bc59e7f 100644
--- a/src/core/renderers/webgl/systems/ContextSystem.js
+++ b/src/core/renderers/webgl/systems/ContextSystem.js
@@ -1,4 +1,5 @@
 import WebGLSystem from './WebGLSystem';
+import settings from '../../../settings';
 
 let CONTEXT_UID = 0;
 
@@ -21,6 +22,8 @@
         this.handleContextLost = this.handleContextLost.bind(this);
         this.handleContextRestored = this.handleContextRestored.bind(this);
 
+        this.extensions = {};
+
         renderer.view.addEventListener('webglcontextlost', this.handleContextLost, false);
         renderer.view.addEventListener('webglcontextrestored', this.handleContextRestored, false);
     }
@@ -69,11 +72,9 @@
      */
     createContext(canvas, options)
     {
-
         let gl;
 
-        // disabled for now!
-        if(false)//!options.forceWebGL1)
+        if (settings.PREFER_WEBGL_2)
         {
             gl = canvas.getContext('webgl2', options);
         }
@@ -85,6 +86,7 @@
         else
         {
             this.webGLVersion = 1;
+
             gl = canvas.getContext('webgl', options)
             || canvas.getContext('experimental-webgl', options);
 
@@ -95,9 +97,33 @@
             }
         }
 
+        this.gl = gl;
+
+        this.getExtensions();
+
         return gl;
     }
 
+    getExtensions()
+    {
+        // time to set up default etensions that pixi uses..
+        const gl = this.gl;
+        const extensions = this.extensions;
+
+        if (this.webGLVersion === 1)
+        {
+            extensions.drawBuffers = gl.getExtension('WEBGL_draw_buffers');
+            extensions.depthTexture = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            extensions.floatTexture = gl.getExtension('OES_texture_float');
+
+            extensions.vertexArrayObject = gl.getExtension('OES_vertex_array_object')
+                                        || gl.getExtension('MOZ_OES_vertex_array_object')
+                                        || gl.getExtension('WEBKIT_OES_vertex_array_object');
+        }
+
+        // we don't use any specific WebGL 2 ones yet!
+    }
+
     /**
      * Handles a lost webgl context
      *
diff --git a/src/core/renderers/webgl/systems/FramebufferSystem.js b/src/core/renderers/webgl/systems/FramebufferSystem.js
index 214f5b1..d943d2f 100644
--- a/src/core/renderers/webgl/systems/FramebufferSystem.js
+++ b/src/core/renderers/webgl/systems/FramebufferSystem.js
@@ -17,7 +17,7 @@
         this.gl = this.renderer.gl;
         this.CONTEXT_UID = this.renderer.CONTEXT_UID;
 
-        this.drawBufferExtension = this.gl.getExtension('WEBGL_draw_buffers');
+        this.drawBufferExtension = this.renderer.context.extensions.drawBuffers;
     }
 
     bind(framebuffer)
@@ -170,7 +170,7 @@
 
         if (framebuffer.depthTexture)
         {
-            const depthTextureExt = gl.getExtension('WEBKIT_WEBGL_depth_texture');
+            const depthTextureExt = this.renderer.context.extensions.depthTexture;
 
             if (depthTextureExt)
             {
diff --git a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
index 67d9742..4777cea 100644
--- a/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
+++ b/src/core/renderers/webgl/systems/geometry/GeometrySystem.js
@@ -48,9 +48,7 @@
         if (!gl.createVertexArray)
         {
             // webgl 1!
-            const nativeVaoExtension = gl.getExtension('OES_vertex_array_object')
-                                  || gl.getExtension('MOZ_OES_vertex_array_object')
-                                  || gl.getExtension('WEBKIT_OES_vertex_array_object');
+            const nativeVaoExtension = this.renderer.context.extensions.vertexArrayObject;
 
             if (nativeVaoExtension)
             {
@@ -58,14 +56,10 @@
                     nativeVaoExtension.createVertexArrayOES();
 
                 gl.bindVertexArray = (vao) =>
-                {
                     nativeVaoExtension.bindVertexArrayOES(vao);
-                };
 
                 gl.deleteVertexArray = (vao) =>
-                {
                     nativeVaoExtension.deleteVertexArrayOES(vao);
-                };
             }
             else
             {
diff --git a/src/core/renderers/webgl/systems/shader/shader/compileProgram.js b/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
index 2d2de80..0f30fae 100644
--- a/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
+++ b/src/core/renderers/webgl/systems/shader/shader/compileProgram.js
@@ -68,8 +68,9 @@
 
     if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS))
     {
-        console.log(src)
+        console.warn(src);
         console.error(gl.getShaderInfoLog(shader));
+
         return null;
     }
 
diff --git a/src/core/settings.js b/src/core/settings.js
index bb636aa..6fc239b 100644
--- a/src/core/settings.js
+++ b/src/core/settings.js
@@ -46,6 +46,8 @@
      */
     RESOLUTION: 1,
 
+    PREFER_WEBGL_2: false,
+
     /**
      * Default filter resolution.
      *
@@ -218,5 +220,4 @@
      * @type {boolean}
      */
     CAN_UPLOAD_SAME_BUFFER: canUploadSameBuffer(),
-
 };
diff --git a/src/core/shader/Shader.js b/src/core/shader/Shader.js
index 97d59a0..61bf8fb 100644
--- a/src/core/shader/Shader.js
+++ b/src/core/shader/Shader.js
@@ -47,6 +47,7 @@
         }
     }
 
+    // TODO move to shader system..
     checkUniformExists(name, group)
     {
         if (group.uniforms[name])
diff --git a/src/core/utils/getTestContext.js b/src/core/utils/getTestContext.js
index a4a24cd..3e17994 100644
--- a/src/core/utils/getTestContext.js
+++ b/src/core/utils/getTestContext.js
@@ -1,3 +1,5 @@
+import settings from '../settings';
+
 let context = null;
 
 /**
@@ -13,25 +15,34 @@
     if (!context)
     {
         const canvas = document.createElement('canvas');
-        const options = {};
 
-        canvas.width = 1;
-        canvas.height = 1;
+        let gl;
 
-
-        context = canvas.getContext('webgl', options)
-               || canvas.getContext('experimental-webgl', options);
-
-
-        //canvas.getContext('webgl2', options)
-        var xt = context.getExtension('WEBGL_draw_buffers');
-
-
-        if (!context)
+        if (settings.PREFER_WEBGL_2)
         {
-            // fail, not able to get a context
-            throw new Error('This browser does not support webGL. Try using the canvas renderer');
+            gl = canvas.getContext('webgl2', {});
         }
+
+        if (!gl)
+        {
+            gl = canvas.getContext('webgl', {})
+            || canvas.getContext('experimental-webgl', {});
+
+            if (!gl)
+            {
+                // fail, not able to get a context
+                throw new Error('This browser does not support webGL. Try using the canvas renderer');
+            }
+            else
+            {
+                // for shader testing..
+                gl.getExtension('WEBGL_draw_buffers');
+            }
+        }
+
+        context = gl;
+
+        return gl;
     }
 
     return context;
diff --git a/src/deprecation.js b/src/deprecation.js
index c4aa8df..0bc5f5a 100644
--- a/src/deprecation.js
+++ b/src/deprecation.js
@@ -1,6 +1,6 @@
 import * as core from './core';
 import * as mesh from './mesh';
-//import * as particles from './particles';
+// import * as particles from './particles';
 import * as extras from './extras';
 import * as filters from './filters';
 import * as prepare from './prepare';
@@ -157,7 +157,7 @@
      * @see PIXI.particles.ParticleContainer
      * @deprecated since version 4.0.0
      */
-    /*ParticleContainer: {
+    /* ParticleContainer: {
         enumerable: true,
         get()
         {
@@ -166,7 +166,7 @@
 
             return particles.ParticleContainer;
         },
-    },*/
+    }, */
 
     /**
      * @class
diff --git a/src/index.js b/src/index.js
index 5f0d025..fe1d592 100644
--- a/src/index.js
+++ b/src/index.js
@@ -13,7 +13,7 @@
 import * as interaction from './interaction';
 import * as loaders from './loaders';
 import * as mesh from './mesh';
-//import * as particles from './particles';
+// import * as particles from './particles';
 import * as prepare from './prepare';
 
 // handle mixins now, after all code has been added, including deprecation