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<div class="container-fluid" id="toc-content">
	<div class="row">
		
	  <div class="col-md-9 col-md-offset-3">
		
			<div id="main">

	<h1 class="page-title">Class: WebGLFilterManager</h1>
<section>

<header>
    
        <h2>
            <span class="ancestors"><a href="PIXI.html">PIXI</a>.</span>
        
        WebGLFilterManager
        </h2>
        
    
</header>


<article>
    <div class="container-overview">
    
        
<dt>
    <h4 class="name" id="WebGLFilterManager" data-name="WebGLFilterManager">
      <span class="type-signature"></span>new WebGLFilterManager()
      
    </h4>
    
</dt>
<dd>

    
<dl class="details">
    

	<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
	<dd class="tag-source">
    
      <a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/pixi/renderers/webgl/utils/WebGLFilterManager.js#L9" title="WebGLFilterManager on line 9 of src/pixi/renderers/webgl/utils/WebGLFilterManager.js">src/pixi/renderers/webgl/utils/WebGLFilterManager.js line 9</a>
    

</dl>


</dd>

    
    </div>

    
        <h3 class="subsection-title">Members</h3>

        <dl>
            
<dt>
    <h4 id="filterStack" data-name="filterStack">
      <span class="type-signature"></span>filterStack<span class="type-signature"> : Array</span>
      
    </h4>
    
</dt>
<dd>
    

        <h5>Type:</h5>
        <ul>
            <li>
                
<span class="param-type">Array</span>


            </li>
        </ul>
    

<dl class="details">
    

	<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
	<dd class="tag-source">
    
      <a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/pixi/renderers/webgl/utils/WebGLFilterManager.js#L15" title="filterStack on line 15 of src/pixi/renderers/webgl/utils/WebGLFilterManager.js">src/pixi/renderers/webgl/utils/WebGLFilterManager.js line 15</a>
    

</dl>


</dd>

        
<dt>
    <h4 id="offsetX" data-name="offsetX">
      <span class="type-signature"></span>offsetX<span class="type-signature"> : Number</span>
      
    </h4>
    
</dt>
<dd>
    

        <h5>Type:</h5>
        <ul>
            <li>
                
<span class="param-type">Number</span>


            </li>
        </ul>
    

<dl class="details">
    

	<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
	<dd class="tag-source">
    
      <a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/pixi/renderers/webgl/utils/WebGLFilterManager.js#L21" title="offsetX on line 21 of src/pixi/renderers/webgl/utils/WebGLFilterManager.js">src/pixi/renderers/webgl/utils/WebGLFilterManager.js line 21</a>
    

</dl>


</dd>

        
<dt>
    <h4 id="offsetY" data-name="offsetY">
      <span class="type-signature"></span>offsetY<span class="type-signature"> : Number</span>
      
    </h4>
    
</dt>
<dd>
    

        <h5>Type:</h5>
        <ul>
            <li>
                
<span class="param-type">Number</span>


            </li>
        </ul>
    

<dl class="details">
    

	<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
	<dd class="tag-source">
    
      <a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/pixi/renderers/webgl/utils/WebGLFilterManager.js#L27" title="offsetY on line 27 of src/pixi/renderers/webgl/utils/WebGLFilterManager.js">src/pixi/renderers/webgl/utils/WebGLFilterManager.js line 27</a>
    

</dl>


</dd>

        </dl>
    

        <h3 class="subsection-title">Methods</h3>

        <dl>
            
<dt>
    <h4 class="name" id="applyFilterPass" data-name="applyFilterPass">
      <span class="type-signature"></span>applyFilterPass(filter, filterArea, width, height)
      
    </h4>
    
</dt>
<dd>

    
    <div class="description method-description">
        <p>Applies the filter to the specified area.</p>
    </div>
    

        <h5>Parameters:</h5>
        

<table class="params table table-striped">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>filter</code></td>
            

            <td class="type">
            
                
<span class="param-type"><a href="Phaser.Filter.html">Phaser.Filter</a></span>


            </td>

            
            <td class="description param-description last"><p>the filter that needs to be applied</p></td>
        </tr>

    
        <tr>
            
                <td class="name"><code>filterArea</code></td>
            

            <td class="type">
            
                
<span class="param-type">Texture</span>


            </td>

            
            <td class="description param-description last"><p>TODO - might need an update</p></td>
        </tr>

    
        <tr>
            
                <td class="name"><code>width</code></td>
            

            <td class="type">
            
                
<span class="param-type">Number</span>


            </td>

            
            <td class="description param-description last"><p>the horizontal range of the filter</p></td>
        </tr>

    
        <tr>
            
                <td class="name"><code>height</code></td>
            

            <td class="type">
            
                
<span class="param-type">Number</span>


            </td>

            
            <td class="description param-description last"><p>the vertical range of the filter</p></td>
        </tr>

    
    </tbody>
</table>

    
<dl class="details">
    

	<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
	<dd class="tag-source">
    
      <a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/pixi/renderers/webgl/utils/WebGLFilterManager.js#L352" title="applyFilterPass on line 352 of src/pixi/renderers/webgl/utils/WebGLFilterManager.js">src/pixi/renderers/webgl/utils/WebGLFilterManager.js line 352</a>
    

</dl>


</dd>

        
<dt>
    <h4 class="name" id="begin" data-name="begin">
      <span class="type-signature"></span>begin(renderSession, buffer)
      
    </h4>
    
</dt>
<dd>

    
        <h5>Parameters:</h5>
        

<table class="params table table-striped">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>renderSession</code></td>
            

            <td class="type">
            
                
<span class="param-type">RenderSession</span>


            </td>

            
            <td class="description param-description last"></td>
        </tr>

    
        <tr>
            
                <td class="name"><code>buffer</code></td>
            

            <td class="type">
            
                
<span class="param-type">ArrayBuffer</span>


            </td>

            
            <td class="description param-description last"></td>
        </tr>

    
    </tbody>
</table>

    
<dl class="details">
    

	<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
	<dd class="tag-source">
    
      <a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/pixi/renderers/webgl/utils/WebGLFilterManager.js#L46" title="begin on line 46 of src/pixi/renderers/webgl/utils/WebGLFilterManager.js">src/pixi/renderers/webgl/utils/WebGLFilterManager.js line 46</a>
    

</dl>


</dd>

        
<dt>
    <h4 class="name" id="destroy" data-name="destroy">
      <span class="type-signature"></span>destroy()
      
    </h4>
    
</dt>
<dd>

    
    <div class="description method-description">
        <p>Destroys the filter and removes it from the filter stack.</p>
    </div>
    

<dl class="details">
    

	<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
	<dd class="tag-source">
    
      <a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/pixi/renderers/webgl/utils/WebGLFilterManager.js#L462" title="destroy on line 462 of src/pixi/renderers/webgl/utils/WebGLFilterManager.js">src/pixi/renderers/webgl/utils/WebGLFilterManager.js line 462</a>
    

</dl>


</dd>

        
<dt>
    <h4 class="name" id="initShaderBuffers" data-name="initShaderBuffers">
      <span class="type-signature"></span>initShaderBuffers()
      
    </h4>
    
</dt>
<dd>

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

<dl class="details">
    

	<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
	<dd class="tag-source">
    
      <a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/pixi/renderers/webgl/utils/WebGLFilterManager.js#L413" title="initShaderBuffers on line 413 of src/pixi/renderers/webgl/utils/WebGLFilterManager.js">src/pixi/renderers/webgl/utils/WebGLFilterManager.js line 413</a>
    

</dl>


</dd>

        
<dt>
    <h4 class="name" id="popFilter" data-name="popFilter">
      <span class="type-signature"></span>popFilter()
      
    </h4>
    
</dt>
<dd>

    
    <div class="description method-description">
        <p>Removes the last filter from the filter stack and doesn't return it.</p>
    </div>
    

<dl class="details">
    

	<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
	<dd class="tag-source">
    
      <a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/pixi/renderers/webgl/utils/WebGLFilterManager.js#L149" title="popFilter on line 149 of src/pixi/renderers/webgl/utils/WebGLFilterManager.js">src/pixi/renderers/webgl/utils/WebGLFilterManager.js line 149</a>
    

</dl>


</dd>

        
<dt>
    <h4 class="name" id="pushFilter" data-name="pushFilter">
      <span class="type-signature"></span>pushFilter(filterBlock)
      
    </h4>
    
</dt>
<dd>

    
    <div class="description method-description">
        <p>Applies the filter and adds it to the current filter stack.</p>
    </div>
    

        <h5>Parameters:</h5>
        

<table class="params table table-striped">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>filterBlock</code></td>
            

            <td class="type">
            
                
<span class="param-type">Object</span>


            </td>

            
            <td class="description param-description last"><p>the filter that will be pushed to the current filter stack</p></td>
        </tr>

    
    </tbody>
</table>

    
<dl class="details">
    

	<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
	<dd class="tag-source">
    
      <a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/pixi/renderers/webgl/utils/WebGLFilterManager.js#L62" title="pushFilter on line 62 of src/pixi/renderers/webgl/utils/WebGLFilterManager.js">src/pixi/renderers/webgl/utils/WebGLFilterManager.js line 62</a>
    

</dl>


</dd>

        
<dt>
    <h4 class="name" id="setContext" data-name="setContext">
      <span class="type-signature"></span>setContext(gl)
      
    </h4>
    
</dt>
<dd>

    
    <div class="description method-description">
        <p>Initialises the context and the properties.</p>
    </div>
    

        <h5>Parameters:</h5>
        

<table class="params table table-striped">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>gl</code></td>
            

            <td class="type">
            
                
<span class="param-type">WebGLContext</span>


            </td>

            
            <td class="description param-description last"><p>the current WebGL drawing context</p></td>
        </tr>

    
    </tbody>
</table>

    
<dl class="details">
    

	<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
	<dd class="tag-source">
    
      <a href="https://github.com/photonstorm/phaser-ce/blob/v2.20.2/src/pixi/renderers/webgl/utils/WebGLFilterManager.js#L32" title="setContext on line 32 of src/pixi/renderers/webgl/utils/WebGLFilterManager.js">src/pixi/renderers/webgl/utils/WebGLFilterManager.js line 32</a>
    

</dl>


</dd>

        </dl>
    

</article>

</section>


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