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@mathew groves mathew groves on 11 Nov 2014 28 KB Docs republished
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                        <h1>PixiShader Class</h1>
<div class="box meta">
    

    

    
        <div class="foundat">
            Defined in: <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l6"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:6</code></a>
        </div>
    

    
        
            Module: <a href="../modules/PIXI.html">PIXI</a>
        
    

    
</div>



<div class="box intro">
    
</div>


    <div class="constructor">
        <h2>Constructor</h2>
        <div id="method_PixiShader" class="method item">
    <h3 class="name"><code>PixiShader</code></h3>

    
        <div class="args">
            <span class="paren">(</span><ul class="args-list inline commas">
            
                <li class="arg">
                    
                        <code>gl</code>
                    
                </li>
            
            </ul><span class="paren">)</span>
        </div>
    

    

    

    

    

    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l6"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:6</code></a>
        
        </p>


        

        
    </div>

    <div class="description">
        
    </div>

    
        <div class="params">
            <h4>Parameters:</h4>

            <ul class="params-list">
            
                <li class="param">
                    
                        <code class="param-name">gl</code>
                        <span class="type">WebGLContext</span>
                    

                    

                    <div class="param-description">
                        <p>the current WebGL drawing context</p>

                    </div>

                    
                </li>
            
            </ul>
        </div>
    

    

    
</div>

    </div>


<div id="classdocs" class="tabview">
    <ul class="api-class-tabs">
        <li class="api-class-tab index"><a href="#index">Index</a></li>

        
            <li class="api-class-tab methods"><a href="#methods">Methods</a></li>
        
        
            <li class="api-class-tab properties"><a href="#properties">Properties</a></li>
        
        
        
    </ul>

    <div>
        <div id="index" class="api-class-tabpanel index">
            <h2 class="off-left">Item Index</h2>

            
                <div class="index-section methods">
                    <h3>Methods</h3>

                    <ul class="index-list methods">
                        
                            <li class="index-item method">
                                <a href="#method_destroy">destroy</a>

                                
                                
                            </li>
                        
                            <li class="index-item method">
                                <a href="#method_init">init</a>

                                
                                
                            </li>
                        
                            <li class="index-item method">
                                <a href="#method_initSampler2D">initSampler2D</a>

                                
                                
                            </li>
                        
                            <li class="index-item method">
                                <a href="#method_initUniforms">initUniforms</a>

                                
                                
                            </li>
                        
                            <li class="index-item method">
                                <a href="#method_syncUniforms">syncUniforms</a>

                                
                                
                            </li>
                        
                    </ul>
                </div>
            

            
                <div class="index-section properties">
                    <h3>Properties</h3>

                    <ul class="index-list properties">
                        
                            <li class="index-item property private">
                                <a href="#property__UID">_UID</a>

                                
                                
                            </li>
                        
                            <li class="index-item property private">
                                <a href="#property_attributes">attributes</a>

                                
                                
                            </li>
                        
                            <li class="index-item property">
                                <a href="#property_defaultVertexSrc">defaultVertexSrc</a>

                                
                                
                            </li>
                        
                            <li class="index-item property">
                                <a href="#property_dirty">dirty</a>

                                
                                
                            </li>
                        
                            <li class="index-item property private">
                                <a href="#property_firstRun">firstRun</a>

                                
                                
                            </li>
                        
                            <li class="index-item property">
                                <a href="#property_fragmentSrc">fragmentSrc</a>

                                
                                
                            </li>
                        
                            <li class="index-item property">
                                <a href="#property_gl">gl</a>

                                
                                
                            </li>
                        
                            <li class="index-item property">
                                <a href="#property_program">program</a>

                                
                                
                            </li>
                        
                            <li class="index-item property">
                                <a href="#property_textureCount">textureCount</a>

                                
                                
                            </li>
                        
                    </ul>
                </div>
            

            

            
        </div>

        
            <div id="methods" class="api-class-tabpanel">
                <h2 class="off-left">Methods</h2>

                
                    <div id="method_destroy" class="method item">
    <h3 class="name"><code>destroy</code></h3>

    
        <span class="paren">()</span>
    

    

    

    

    

    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l351"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:351</code></a>
        
        </p>


        

        
    </div>

    <div class="description">
        <p>Destroys the shader.</p>

    </div>

    

    

    
</div>

                
                    <div id="method_init" class="method item">
    <h3 class="name"><code>init</code></h3>

    
        <span class="paren">()</span>
    

    

    

    

    

    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l83"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:83</code></a>
        
        </p>


        

        
    </div>

    <div class="description">
        <p>Initialises the shader.</p>

    </div>

    

    

    
</div>

                
                    <div id="method_initSampler2D" class="method item">
    <h3 class="name"><code>initSampler2D</code></h3>

    
        <span class="paren">()</span>
    

    

    

    

    

    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l208"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:208</code></a>
        
        </p>


        

        
    </div>

    <div class="description">
        <p>Initialises a Sampler2D uniform (which may only be available later on after initUniforms once the texture has loaded)</p>

    </div>

    

    

    
</div>

                
                    <div id="method_initUniforms" class="method item">
    <h3 class="name"><code>initUniforms</code></h3>

    
        <span class="paren">()</span>
    

    

    

    

    

    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l134"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:134</code></a>
        
        </p>


        

        
    </div>

    <div class="description">
        <p>Initialises the shader uniform values.</p>
<p>Uniforms are specified in the GLSL_ES Specification: <a href="http://www.khronos.org/registry/webgl/specs/latest/1.0/">http://www.khronos.org/registry/webgl/specs/latest/1.0/</a>
<a href="http://www.khronos.org/registry/gles/specs/2.0/GLSL_ES_Specification_1.0.17.pdf">http://www.khronos.org/registry/gles/specs/2.0/GLSL_ES_Specification_1.0.17.pdf</a></p>

    </div>

    

    

    
</div>

                
                    <div id="method_syncUniforms" class="method item">
    <h3 class="name"><code>syncUniforms</code></h3>

    
        <span class="paren">()</span>
    

    

    

    

    

    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l283"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:283</code></a>
        
        </p>


        

        
    </div>

    <div class="description">
        <p>Updates the shader uniform values.</p>

    </div>

    

    

    
</div>

                
            </div>
        

        
            <div id="properties" class="api-class-tabpanel">
                <h2 class="off-left">Properties</h2>

                
                    <div id="property__UID" class="property item private">
    <h3 class="name"><code>_UID</code></h3>
    <span class="type">Number</span>

    

    
        <span class="flag private">private</span>
    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l13"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:13</code></a>
        
        </p>

        

        
    </div>

    <div class="description">
        
    </div>

    

    

    
</div>

                
                    <div id="property_attributes" class="property item private">
    <h3 class="name"><code>attributes</code></h3>
    <span class="type">Array</span>

    

    
        <span class="flag private">private</span>
    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l70"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:70</code></a>
        
        </p>

        

        
    </div>

    <div class="description">
        <p>Uniform attributes cache.</p>

    </div>

    

    

    
</div>

                
                    <div id="property_defaultVertexSrc" class="property item">
    <h3 class="name"><code>defaultVertexSrc</code></h3>
    <span class="type">String</span>

    

    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l365"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:365</code></a>
        
        </p>

        

        
    </div>

    <div class="description">
        <p>The Default Vertex shader source.</p>

    </div>

    

    

    
</div>

                
                    <div id="property_dirty" class="property item">
    <h3 class="name"><code>dirty</code></h3>
    <span class="type">Boolean</span>

    

    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l63"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:63</code></a>
        
        </p>

        

        
    </div>

    <div class="description">
        <p>A dirty flag</p>

    </div>

    

    

    
</div>

                
                    <div id="property_firstRun" class="property item private">
    <h3 class="name"><code>firstRun</code></h3>
    <span class="type">Boolean</span>

    

    
        <span class="flag private">private</span>
    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l55"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:55</code></a>
        
        </p>

        

        
    </div>

    <div class="description">
        <p>A local flag</p>

    </div>

    

    

    
</div>

                
                    <div id="property_fragmentSrc" class="property item">
    <h3 class="name"><code>fragmentSrc</code></h3>
    <span class="type">Array</span>

    

    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l33"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:33</code></a>
        
        </p>

        

        
    </div>

    <div class="description">
        <p>The fragment shader.</p>

    </div>

    

    

    
</div>

                
                    <div id="property_gl" class="property item">
    <h3 class="name"><code>gl</code></h3>
    <span class="type">WebGLContext</span>

    

    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l20"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:20</code></a>
        
        </p>

        

        
    </div>

    <div class="description">
        
    </div>

    

    

    
</div>

                
                    <div id="property_program" class="property item">
    <h3 class="name"><code>program</code></h3>
    <span class="type">Any</span>

    

    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l26"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:26</code></a>
        
        </p>

        

        
    </div>

    <div class="description">
        <p>The WebGL program.</p>

    </div>

    

    

    
</div>

                
                    <div id="property_textureCount" class="property item">
    <h3 class="name"><code>textureCount</code></h3>
    <span class="type">Number</span>

    

    

    

    

    <div class="meta">
        
            
                
                <p>
                
                Defined in
                
            
        
        
        <a href="../files/src_pixi_renderers_webgl_shaders_PixiShader.js.html#l48"><code>src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;shaders&#x2F;PixiShader.js:48</code></a>
        
        </p>

        

        
    </div>

    <div class="description">
        <p>A local texture counter for multi-texture shaders.</p>

    </div>

    

    

    
</div>

                
            </div>
        

        

        
    </div>
</div>

                    </div>
                </div>
            </div>
        </div>
    </div>
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