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<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
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<div class="title">OpenGLHelpers Class Reference</div>  </div>
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<p>A set of miscellaneous openGL helper functions.  
 <a href="classOpenGLHelpers.html#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:acad5e92d97154f3df22079b7d457b946"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenGLHelpers.html#acad5e92d97154f3df22079b7d457b946">resetErrorState</a> ()</td></tr>
<tr class="memdesc:acad5e92d97154f3df22079b7d457b946"><td class="mdescLeft">&#160;</td><td class="mdescRight">Clears the GL error state.  <a href="#acad5e92d97154f3df22079b7d457b946">More...</a><br /></td></tr>
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<tr class="memitem:aeb9c20e316e3aa59046a4fe4cb2562f8"><td class="memItemLeft" align="right" valign="top">static bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenGLHelpers.html#aeb9c20e316e3aa59046a4fe4cb2562f8">isContextActive</a> ()</td></tr>
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<tr class="memitem:a763c72544cbe569de9cc76899906589d"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenGLHelpers.html#a763c72544cbe569de9cc76899906589d">clear</a> (<a class="el" href="classColour.html">Colour</a> colour)</td></tr>
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<tr class="memitem:afac7dc44d740ad66e63ca542e634ffb7"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenGLHelpers.html#afac7dc44d740ad66e63ca542e634ffb7">enableScissorTest</a> (const <a class="el" href="classRectangle.html">Rectangle</a>&lt; int &gt; &amp;clip)</td></tr>
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<tr class="memitem:aacd6d5297748a8691b42851f094a161c"><td class="memItemLeft" align="right" valign="top">static bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenGLHelpers.html#aacd6d5297748a8691b42851f094a161c">isExtensionSupported</a> (const char *extensionName)</td></tr>
<tr class="memdesc:aacd6d5297748a8691b42851f094a161c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Checks whether the current context supports the specified extension.  <a href="#aacd6d5297748a8691b42851f094a161c">More...</a><br /></td></tr>
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<tr class="memitem:a6004f344c666ff693af0b3cc773379e4"><td class="memItemLeft" align="right" valign="top">static void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenGLHelpers.html#a6004f344c666ff693af0b3cc773379e4">getExtensionFunction</a> (const char *functionName)</td></tr>
<tr class="memdesc:a6004f344c666ff693af0b3cc773379e4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the address of a named GL extension function.  <a href="#a6004f344c666ff693af0b3cc773379e4">More...</a><br /></td></tr>
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<tr class="memitem:ac27428c0cc85d3fb8a05f51d7d37c54a"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classString.html">String</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenGLHelpers.html#ac27428c0cc85d3fb8a05f51d7d37c54a">translateVertexShaderToV3</a> (const <a class="el" href="classString.html">String</a> &amp;)</td></tr>
<tr class="memdesc:ac27428c0cc85d3fb8a05f51d7d37c54a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Makes some simple textual changes to a shader program to try to convert old GLSL keywords to their v3 equivalents.  <a href="#ac27428c0cc85d3fb8a05f51d7d37c54a">More...</a><br /></td></tr>
<tr class="separator:ac27428c0cc85d3fb8a05f51d7d37c54a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a21361ca2e48b2b290363722d5e2990a2"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classString.html">String</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenGLHelpers.html#a21361ca2e48b2b290363722d5e2990a2">translateFragmentShaderToV3</a> (const <a class="el" href="classString.html">String</a> &amp;)</td></tr>
<tr class="memdesc:a21361ca2e48b2b290363722d5e2990a2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Makes some simple textual changes to a shader program to try to convert old GLSL keywords to their v3 equivalents.  <a href="#a21361ca2e48b2b290363722d5e2990a2">More...</a><br /></td></tr>
<tr class="separator:a21361ca2e48b2b290363722d5e2990a2"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A set of miscellaneous openGL helper functions. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="acad5e92d97154f3df22079b7d457b946"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acad5e92d97154f3df22079b7d457b946">&sect;&nbsp;</a></span>resetErrorState()</h2>

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<p>Clears the GL error state. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aeb9c20e316e3aa59046a4fe4cb2562f8">&sect;&nbsp;</a></span>isContextActive()</h2>

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<p>Returns true if the current thread has an active OpenGL context. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a763c72544cbe569de9cc76899906589d">&sect;&nbsp;</a></span>clear()</h2>

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<p>Clears the current context using the given colour. </p>

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<a id="afac7dc44d740ad66e63ca542e634ffb7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afac7dc44d740ad66e63ca542e634ffb7">&sect;&nbsp;</a></span>enableScissorTest()</h2>

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<h2 class="memtitle"><span class="permalink"><a href="#aacd6d5297748a8691b42851f094a161c">&sect;&nbsp;</a></span>isExtensionSupported()</h2>

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<p>Checks whether the current context supports the specified extension. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a6004f344c666ff693af0b3cc773379e4">&sect;&nbsp;</a></span>getExtensionFunction()</h2>

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<p>Returns the address of a named GL extension function. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ac27428c0cc85d3fb8a05f51d7d37c54a">&sect;&nbsp;</a></span>translateVertexShaderToV3()</h2>

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<p>Makes some simple textual changes to a shader program to try to convert old GLSL keywords to their v3 equivalents. </p>
<p>Before doing this, the function will check whether the current context is actually using a later version of the language, and if not it will not make any changes. Obviously this is not a real parser, so will only work on simple code! </p>

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<a id="a21361ca2e48b2b290363722d5e2990a2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a21361ca2e48b2b290363722d5e2990a2">&sect;&nbsp;</a></span>translateFragmentShaderToV3()</h2>

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<p>Makes some simple textual changes to a shader program to try to convert old GLSL keywords to their v3 equivalents. </p>
<p>Before doing this, the function will check whether the current context is actually using a later version of the language, and if not it will not make any changes. Obviously this is not a real parser, so will only work on simple code! </p>

</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
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