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michaelkatz 6f1cf6dab4 Update JavaDoc for exoplayer:2.18.2 
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<h2 title="Class GlProgram" class="title">Class GlProgram</h2>
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<li><a href="https://developer.android.com/reference/java/lang/Object.html" title="class or interface in java.lang" class="externalLink" target="_top">java.lang.Object</a></li>
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<pre>public final class <span class="typeNameLabel">GlProgram</span>
extends <a href="https://developer.android.com/reference/java/lang/Object.html" title="class or interface in java.lang" class="externalLink" target="_top">Object</a></pre>
<div class="block">Represents a GLSL shader program.
<p>After constructing a program, keep a reference for its lifetime and call <a href="#delete()"><code>delete()</code></a> (or
release the current GL context) when it's no longer needed.</div>
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<tr>
<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(android.content.Context,java.lang.String,java.lang.String)">GlProgram</a></span>&#8203;(<a href="https://developer.android.com/reference/android/content/Context.html" title="class or interface in android.content" class="externalLink" target="_top">Context</a>&nbsp;context,
<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;vertexShaderFilePath,
<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;fragmentShaderFilePath)</code></th>
<td class="colLast">
<div class="block">Compiles a GL shader program from vertex and fragment shader GLSL GLES20 code.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.String,java.lang.String)">GlProgram</a></span>&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;vertexShaderGlsl,
<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;fragmentShaderGlsl)</code></th>
<td class="colLast">
<div class="block">Creates a GL shader program from vertex and fragment shader GLSL GLES20 code.</div>
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<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#bindAttributesAndUniforms()">bindAttributesAndUniforms</a></span>()</code></th>
<td class="colLast">
<div class="block">Binds all attributes and uniforms in the program.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#delete()">delete</a></span>()</code></th>
<td class="colLast">
<div class="block">Deletes the program.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAttributeArrayLocationAndEnable(java.lang.String)">getAttributeArrayLocationAndEnable</a></span>&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;attributeName)</code></th>
<td class="colLast">
<div class="block">Returns the location of an <code>GlProgram.Attribute</code>, which has been enabled as a vertex attribute
array.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getUniformLocation(java.lang.String)">getUniformLocation</a></span>&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;uniformName)</code></th>
<td class="colLast">
<div class="block">Returns the location of a <code>GlProgram.Uniform</code>.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static <a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#loadAsset(android.content.Context,java.lang.String)">loadAsset</a></span>&#8203;(<a href="https://developer.android.com/reference/android/content/Context.html" title="class or interface in android.content" class="externalLink" target="_top">Context</a>&nbsp;context,
<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;assetPath)</code></th>
<td class="colLast">
<div class="block">Loads a file from the assets folder.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setBufferAttribute(java.lang.String,float%5B%5D,int)">setBufferAttribute</a></span>&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;name,
float[]&nbsp;values,
int&nbsp;size)</code></th>
<td class="colLast">
<div class="block">Sets a float buffer type attribute.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setFloatsUniform(java.lang.String,float%5B%5D)">setFloatsUniform</a></span>&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;name,
float[]&nbsp;value)</code></th>
<td class="colLast">
<div class="block">Sets a <code>float[]</code> type uniform.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setFloatUniform(java.lang.String,float)">setFloatUniform</a></span>&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;name,
float&nbsp;value)</code></th>
<td class="colLast">
<div class="block">Sets a <code>float</code> type uniform.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setIntUniform(java.lang.String,int)">setIntUniform</a></span>&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;name,
int&nbsp;value)</code></th>
<td class="colLast">
<div class="block">Sets an <code>int</code> type uniform.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setSamplerTexIdUniform(java.lang.String,int,int)">setSamplerTexIdUniform</a></span>&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;name,
int&nbsp;texId,
int&nbsp;texUnitIndex)</code></th>
<td class="colLast">
<div class="block">Sets a texture sampler type uniform.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#use()">use</a></span>()</code></th>
<td class="colLast">
<div class="block">Uses the program.</div>
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<h4>GlProgram</h4>
<pre>public&nbsp;GlProgram&#8203;(<a href="https://developer.android.com/reference/android/content/Context.html" title="class or interface in android.content" class="externalLink" target="_top">Context</a>&nbsp;context,
<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;vertexShaderFilePath,
<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;fragmentShaderFilePath)
throws <a href="https://developer.android.com/reference/java/io/IOException.html" title="class or interface in java.io" class="externalLink" target="_top">IOException</a>,
<a href="GlUtil.GlException.html" title="class in com.google.android.exoplayer2.util">GlUtil.GlException</a></pre>
<div class="block">Compiles a GL shader program from vertex and fragment shader GLSL GLES20 code.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>context</code> - The <a href="https://developer.android.com/reference/android/content/Context.html" title="class or interface in android.content" class="externalLink" target="_top"><code>Context</code></a>.</dd>
<dd><code>vertexShaderFilePath</code> - The path to a vertex shader program.</dd>
<dd><code>fragmentShaderFilePath</code> - The path to a fragment shader program.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://developer.android.com/reference/java/io/IOException.html" title="class or interface in java.io" class="externalLink" target="_top">IOException</a></code> - When failing to read shader files.</dd>
<dd><code><a href="GlUtil.GlException.html" title="class in com.google.android.exoplayer2.util">GlUtil.GlException</a></code></dd>
</dl>
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<h4>GlProgram</h4>
<pre>public&nbsp;GlProgram&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;vertexShaderGlsl,
<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;fragmentShaderGlsl)
throws <a href="GlUtil.GlException.html" title="class in com.google.android.exoplayer2.util">GlUtil.GlException</a></pre>
<div class="block">Creates a GL shader program from vertex and fragment shader GLSL GLES20 code.
<p>This involves slow steps, like compiling, linking, and switching the GL program, so do not
call this in fast rendering loops.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>vertexShaderGlsl</code> - The vertex shader program.</dd>
<dd><code>fragmentShaderGlsl</code> - The fragment shader program.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="GlUtil.GlException.html" title="class in com.google.android.exoplayer2.util">GlUtil.GlException</a></code></dd>
</dl>
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<a id="loadAsset(android.content.Context,java.lang.String)">
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<h4>loadAsset</h4>
<pre class="methodSignature">public static&nbsp;<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;loadAsset&#8203;(<a href="https://developer.android.com/reference/android/content/Context.html?is-external=true" title="class or interface in android.content" class="externalLink" target="_top">Context</a>&nbsp;context,
<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;assetPath)
throws <a href="https://developer.android.com/reference/java/io/IOException.html" title="class or interface in java.io" class="externalLink" target="_top">IOException</a></pre>
<div class="block">Loads a file from the assets folder.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>context</code> - The <a href="https://developer.android.com/reference/android/content/Context.html" title="class or interface in android.content" class="externalLink" target="_top"><code>Context</code></a>.</dd>
<dd><code>assetPath</code> - The path to the file to load, from the assets folder.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The content of the file to load.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://developer.android.com/reference/java/io/IOException.html" title="class or interface in java.io" class="externalLink" target="_top">IOException</a></code> - If the file couldn't be read.</dd>
</dl>
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<h4>getUniformLocation</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getUniformLocation&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;uniformName)</pre>
<div class="block">Returns the location of a <code>GlProgram.Uniform</code>.</div>
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<h4>use</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;use()
throws <a href="GlUtil.GlException.html" title="class in com.google.android.exoplayer2.util">GlUtil.GlException</a></pre>
<div class="block">Uses the program.
<p>Call this in the rendering loop to switch between different programs.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="GlUtil.GlException.html" title="class in com.google.android.exoplayer2.util">GlUtil.GlException</a></code></dd>
</dl>
</li>
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<h4>delete</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;delete()
throws <a href="GlUtil.GlException.html" title="class in com.google.android.exoplayer2.util">GlUtil.GlException</a></pre>
<div class="block">Deletes the program. Deleted programs cannot be used again.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="GlUtil.GlException.html" title="class in com.google.android.exoplayer2.util">GlUtil.GlException</a></code></dd>
</dl>
</li>
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<h4>getAttributeArrayLocationAndEnable</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getAttributeArrayLocationAndEnable&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;attributeName)
throws <a href="GlUtil.GlException.html" title="class in com.google.android.exoplayer2.util">GlUtil.GlException</a></pre>
<div class="block">Returns the location of an <code>GlProgram.Attribute</code>, which has been enabled as a vertex attribute
array.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="GlUtil.GlException.html" title="class in com.google.android.exoplayer2.util">GlUtil.GlException</a></code></dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;setBufferAttribute&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;name,
float[]&nbsp;values,
int&nbsp;size)</pre>
<div class="block">Sets a float buffer type attribute.</div>
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<pre class="methodSignature">public&nbsp;void&nbsp;setSamplerTexIdUniform&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;name,
int&nbsp;texId,
int&nbsp;texUnitIndex)</pre>
<div class="block">Sets a texture sampler type uniform.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - The uniform's name.</dd>
<dd><code>texId</code> - The texture identifier.</dd>
<dd><code>texUnitIndex</code> - The texture unit index. Use a different index (0, 1, 2, ...) for each
texture sampler in the program.</dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;setIntUniform&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;name,
int&nbsp;value)</pre>
<div class="block">Sets an <code>int</code> type uniform.</div>
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<pre class="methodSignature">public&nbsp;void&nbsp;setFloatUniform&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;name,
float&nbsp;value)</pre>
<div class="block">Sets a <code>float</code> type uniform.</div>
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<pre class="methodSignature">public&nbsp;void&nbsp;setFloatsUniform&#8203;(<a href="https://developer.android.com/reference/java/lang/String.html" title="class or interface in java.lang" class="externalLink" target="_top">String</a>&nbsp;name,
float[]&nbsp;value)</pre>
<div class="block">Sets a <code>float[]</code> type uniform.</div>
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<pre class="methodSignature">public&nbsp;void&nbsp;bindAttributesAndUniforms()
throws <a href="GlUtil.GlException.html" title="class in com.google.android.exoplayer2.util">GlUtil.GlException</a></pre>
<div class="block">Binds all attributes and uniforms in the program.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="GlUtil.GlException.html" title="class in com.google.android.exoplayer2.util">GlUtil.GlException</a></code></dd>
</dl>
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