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<td >Qt 5.9</td><td ><a href="qtopengl-index.html">Qt OpenGL</a></td><td >QGL Namespace</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#types">Types</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QGL Namespace</h1>
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<p>The QGL namespace specifies miscellaneous identifiers used in the Qt OpenGL module. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QGL></span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += opengl</td></tr></table></div><ul>
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<h2 id="types">Types</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qgl.html#FormatOption-enum">FormatOption</a></b> { DoubleBuffer, DepthBuffer, Rgba, AlphaChannel, ..., NoDeprecatedFunctions }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> flags </td><td class="memItemRight bottomAlign"><b><a href="qgl.html#FormatOption-enum">FormatOptions</a></b></td></tr>
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<h2 id="details">Detailed Description</h2>
<p>The QGL namespace specifies miscellaneous identifiers used in the Qt OpenGL module.</p>
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<h2>Type Documentation</h2>
<!-- $$$FormatOption$$$DoubleBuffer$$$DepthBuffer$$$Rgba$$$AlphaChannel$$$AccumBuffer$$$StencilBuffer$$$StereoBuffers$$$DirectRendering$$$HasOverlay$$$SampleBuffers$$$DeprecatedFunctions$$$SingleBuffer$$$NoDepthBuffer$$$ColorIndex$$$NoAlphaChannel$$$NoAccumBuffer$$$NoStencilBuffer$$$NoStereoBuffers$$$IndirectRendering$$$NoOverlay$$$NoSampleBuffers$$$NoDeprecatedFunctions -->
<h3 class="flags" id="FormatOption-enum"><a name="FormatOption-enum"></a>enum QGL::<span class="name">FormatOption</span><br/>flags QGL::<span class="name">FormatOptions</span></h3>
<p>This enum specifies the format options that can be used to configure an OpenGL context. These are set using <a href="qglformat.html#setOption">QGLFormat::setOption</a>().</p>
<div class="table"><table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><code>QGL::DoubleBuffer</code></td><td class="topAlign tblval"><code>0x0001</code></td><td class="topAlign">Specifies the use of double buffering.</td></tr>
<tr><td class="topAlign"><code>QGL::DepthBuffer</code></td><td class="topAlign tblval"><code>0x0002</code></td><td class="topAlign">Enables the use of a depth buffer.</td></tr>
<tr><td class="topAlign"><code>QGL::Rgba</code></td><td class="topAlign tblval"><code>0x0004</code></td><td class="topAlign">Specifies that the context should use RGBA as its pixel format.</td></tr>
<tr><td class="topAlign"><code>QGL::AlphaChannel</code></td><td class="topAlign tblval"><code>0x0008</code></td><td class="topAlign">Enables the use of an alpha channel.</td></tr>
<tr><td class="topAlign"><code>QGL::AccumBuffer</code></td><td class="topAlign tblval"><code>0x0010</code></td><td class="topAlign">Enables the use of an accumulation buffer.</td></tr>
<tr><td class="topAlign"><code>QGL::StencilBuffer</code></td><td class="topAlign tblval"><code>0x0020</code></td><td class="topAlign">Enables the use of a stencil buffer.</td></tr>
<tr><td class="topAlign"><code>QGL::StereoBuffers</code></td><td class="topAlign tblval"><code>0x0040</code></td><td class="topAlign">Enables the use of a stereo buffers for use with visualization hardware.</td></tr>
<tr><td class="topAlign"><code>QGL::DirectRendering</code></td><td class="topAlign tblval"><code>0x0080</code></td><td class="topAlign">Specifies that the context is used for direct rendering to a display.</td></tr>
<tr><td class="topAlign"><code>QGL::HasOverlay</code></td><td class="topAlign tblval"><code>0x0100</code></td><td class="topAlign">Enables the use of an overlay.</td></tr>
<tr><td class="topAlign"><code>QGL::SampleBuffers</code></td><td class="topAlign tblval"><code>0x0200</code></td><td class="topAlign">Enables the use of sample buffers.</td></tr>
<tr><td class="topAlign"><code>QGL::DeprecatedFunctions</code></td><td class="topAlign tblval"><code>0x0400</code></td><td class="topAlign">Enables the use of deprecated functionality for OpenGL 3.x contexts. A context with deprecated functionality enabled is called a full context in the OpenGL specification.</td></tr>
<tr><td class="topAlign"><code>QGL::SingleBuffer</code></td><td class="topAlign tblval"><code>DoubleBuffer<<16</code></td><td class="topAlign">Specifies the use of a single buffer, as opposed to double buffers.</td></tr>
<tr><td class="topAlign"><code>QGL::NoDepthBuffer</code></td><td class="topAlign tblval"><code>DepthBuffer<<16</code></td><td class="topAlign">Disables the use of a depth buffer.</td></tr>
<tr><td class="topAlign"><code>QGL::ColorIndex</code></td><td class="topAlign tblval"><code>Rgba<<16</code></td><td class="topAlign">Specifies that the context should use a color index as its pixel format.</td></tr>
<tr><td class="topAlign"><code>QGL::NoAlphaChannel</code></td><td class="topAlign tblval"><code>AlphaChannel<<16</code></td><td class="topAlign">Disables the use of an alpha channel.</td></tr>
<tr><td class="topAlign"><code>QGL::NoAccumBuffer</code></td><td class="topAlign tblval"><code>AccumBuffer<<16</code></td><td class="topAlign">Disables the use of an accumulation buffer.</td></tr>
<tr><td class="topAlign"><code>QGL::NoStencilBuffer</code></td><td class="topAlign tblval"><code>StencilBuffer<<16</code></td><td class="topAlign">Disables the use of a stencil buffer.</td></tr>
<tr><td class="topAlign"><code>QGL::NoStereoBuffers</code></td><td class="topAlign tblval"><code>StereoBuffers<<16</code></td><td class="topAlign">Disables the use of stereo buffers.</td></tr>
<tr><td class="topAlign"><code>QGL::IndirectRendering</code></td><td class="topAlign tblval"><code>DirectRendering<<16</code></td><td class="topAlign">Specifies that the context is used for indirect rendering to a buffer.</td></tr>
<tr><td class="topAlign"><code>QGL::NoOverlay</code></td><td class="topAlign tblval"><code>HasOverlay<<16</code></td><td class="topAlign">Disables the use of an overlay.</td></tr>
<tr><td class="topAlign"><code>QGL::NoSampleBuffers</code></td><td class="topAlign tblval"><code>SampleBuffers<<16</code></td><td class="topAlign">Disables the use of sample buffers.</td></tr>
<tr><td class="topAlign"><code>QGL::NoDeprecatedFunctions</code></td><td class="topAlign tblval"><code>DeprecatedFunctions<<16</code></td><td class="topAlign">Disables the use of deprecated functionality for OpenGL 3.x contexts. A context with deprecated functionality disabled is called a forward compatible context in the OpenGL specification.</td></tr>
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<p>The FormatOptions type is a typedef for <a href="../qtcore/qflags.html">QFlags</a><FormatOption>. It stores an OR combination of FormatOption values.</p>
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