Sophie

Sophie

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ghc-OpenGL-devel-2.2.3.0-7.fc15.i686.rpm

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<pre><a name="line-1"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-2"></a><span class='hs-comment'>-- |</span>
<a name="line-3"></a><span class='hs-comment'>-- Module      :  Graphics.Rendering.OpenGL.GL.PerFragment</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright   :  (c) Sven Panne 2002-2009</span>
<a name="line-5"></a><span class='hs-comment'>-- License     :  BSD-style (see the file libraries/OpenGL/LICENSE)</span>
<a name="line-6"></a><span class='hs-comment'>-- </span>
<a name="line-7"></a><span class='hs-comment'>-- Maintainer  :  sven.panne@aedion.de</span>
<a name="line-8"></a><span class='hs-comment'>-- Stability   :  stable</span>
<a name="line-9"></a><span class='hs-comment'>-- Portability :  portable</span>
<a name="line-10"></a><span class='hs-comment'>--</span>
<a name="line-11"></a><span class='hs-comment'>-- This module corresponds to section 4.1 (Per-Fragment Operations) of the</span>
<a name="line-12"></a><span class='hs-comment'>-- OpenGL 2.1 specs.</span>
<a name="line-13"></a><span class='hs-comment'>--</span>
<a name="line-14"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>PerFragment</span> <span class='hs-layout'>(</span>
<a name="line-17"></a>   <span class='hs-comment'>-- * Scissor Test</span>
<a name="line-18"></a>   <span class='hs-varid'>scissor</span><span class='hs-layout'>,</span>
<a name="line-19"></a>
<a name="line-20"></a>   <span class='hs-comment'>-- * Multisample Fragment Operations</span>
<a name="line-21"></a>   <span class='hs-varid'>sampleAlphaToCoverage</span><span class='hs-layout'>,</span>  <span class='hs-varid'>sampleAlphaToOne</span><span class='hs-layout'>,</span> <span class='hs-varid'>sampleCoverage</span><span class='hs-layout'>,</span>
<a name="line-22"></a>
<a name="line-23"></a>   <span class='hs-comment'>-- * Depth Bounds Test</span>
<a name="line-24"></a>   <span class='hs-varid'>depthBounds</span><span class='hs-layout'>,</span>
<a name="line-25"></a>
<a name="line-26"></a>   <span class='hs-comment'>-- * Alpha Test</span>
<a name="line-27"></a>   <span class='hs-conid'>ComparisonFunction</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>alphaFunc</span><span class='hs-layout'>,</span>
<a name="line-28"></a>
<a name="line-29"></a>   <span class='hs-comment'>-- * Stencil Test</span>
<a name="line-30"></a>   <span class='hs-varid'>stencilTest</span><span class='hs-layout'>,</span> <span class='hs-varid'>stencilFunc</span><span class='hs-layout'>,</span> <span class='hs-varid'>stencilFuncSeparate</span><span class='hs-layout'>,</span> <span class='hs-conid'>StencilOp</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>stencilOp</span><span class='hs-layout'>,</span>
<a name="line-31"></a>   <span class='hs-varid'>stencilOpSeparate</span><span class='hs-layout'>,</span> <span class='hs-varid'>activeStencilFace</span><span class='hs-layout'>,</span>
<a name="line-32"></a>
<a name="line-33"></a>   <span class='hs-comment'>-- * Depth Buffer Test</span>
<a name="line-34"></a>   <span class='hs-varid'>depthFunc</span><span class='hs-layout'>,</span>
<a name="line-35"></a>
<a name="line-36"></a>   <span class='hs-comment'>-- * Occlusion Queries</span>
<a name="line-37"></a>   <span class='hs-conid'>QueryObject</span><span class='hs-layout'>(</span><span class='hs-conid'>QueryObject</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>QueryTarget</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>withQuery</span><span class='hs-layout'>,</span>
<a name="line-38"></a>   <span class='hs-varid'>beginQuery</span><span class='hs-layout'>,</span> <span class='hs-varid'>endQuery</span><span class='hs-layout'>,</span>
<a name="line-39"></a>   <span class='hs-varid'>queryCounterBits</span><span class='hs-layout'>,</span> <span class='hs-varid'>currentQuery</span><span class='hs-layout'>,</span>
<a name="line-40"></a>   <span class='hs-varid'>queryResult</span><span class='hs-layout'>,</span> <span class='hs-varid'>queryResultAvailable</span><span class='hs-layout'>,</span>
<a name="line-41"></a>
<a name="line-42"></a>   <span class='hs-comment'>-- * Blending</span>
<a name="line-43"></a>   <span class='hs-varid'>blend</span><span class='hs-layout'>,</span> <span class='hs-conid'>BlendEquation</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>blendEquation</span><span class='hs-layout'>,</span> <span class='hs-varid'>blendEquationSeparate</span><span class='hs-layout'>,</span>
<a name="line-44"></a>   <span class='hs-conid'>BlendingFactor</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>blendFuncSeparate</span><span class='hs-layout'>,</span> <span class='hs-varid'>blendFunc</span><span class='hs-layout'>,</span> <span class='hs-varid'>blendColor</span><span class='hs-layout'>,</span>
<a name="line-45"></a>
<a name="line-46"></a>   <span class='hs-comment'>-- * Dithering</span>
<a name="line-47"></a>   <span class='hs-varid'>dither</span><span class='hs-layout'>,</span>
<a name="line-48"></a>
<a name="line-49"></a>   <span class='hs-comment'>-- * Logical Operation</span>
<a name="line-50"></a>   <span class='hs-conid'>LogicOp</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>logicOp</span>
<a name="line-51"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-52"></a>
<a name="line-53"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span> <span class='hs-varid'>liftM2</span><span class='hs-layout'>,</span> <span class='hs-varid'>liftM3</span> <span class='hs-layout'>)</span>
<a name="line-54"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Marshal</span><span class='hs-varop'>.</span><span class='hs-conid'>Alloc</span> <span class='hs-layout'>(</span> <span class='hs-varid'>alloca</span> <span class='hs-layout'>)</span>
<a name="line-55"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Marshal</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span> <span class='hs-varid'>withArrayLen</span><span class='hs-layout'>,</span> <span class='hs-varid'>peekArray</span><span class='hs-layout'>,</span> <span class='hs-varid'>allocaArray</span> <span class='hs-layout'>)</span>
<a name="line-56"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Ptr</span> <span class='hs-layout'>)</span>
<a name="line-57"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>BufferObjects</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ObjectName</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-58"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Capability</span> <span class='hs-layout'>(</span>
<a name="line-59"></a>   <span class='hs-conid'>EnableCap</span><span class='hs-layout'>(</span><span class='hs-conid'>CapScissorTest</span><span class='hs-layout'>,</span><span class='hs-conid'>CapSampleAlphaToCoverage</span><span class='hs-layout'>,</span><span class='hs-conid'>CapSampleAlphaToOne</span><span class='hs-layout'>,</span>
<a name="line-60"></a>             <span class='hs-conid'>CapSampleCoverage</span><span class='hs-layout'>,</span><span class='hs-conid'>CapDepthBoundsTest</span><span class='hs-layout'>,</span><span class='hs-conid'>CapAlphaTest</span><span class='hs-layout'>,</span><span class='hs-conid'>CapStencilTest</span><span class='hs-layout'>,</span>
<a name="line-61"></a>             <span class='hs-conid'>CapStencilTestTwoSide</span><span class='hs-layout'>,</span><span class='hs-conid'>CapDepthTest</span><span class='hs-layout'>,</span><span class='hs-conid'>CapBlend</span><span class='hs-layout'>,</span><span class='hs-conid'>CapDither</span><span class='hs-layout'>,</span>
<a name="line-62"></a>             <span class='hs-conid'>CapIndexLogicOp</span><span class='hs-layout'>,</span><span class='hs-conid'>CapColorLogicOp</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-63"></a>   <span class='hs-varid'>makeCapability</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeStateVarMaybe</span> <span class='hs-layout'>)</span>
<a name="line-64"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>BasicTypes</span> <span class='hs-layout'>(</span>
<a name="line-65"></a>   <span class='hs-conid'>GLboolean</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLuint</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLsizei</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLenum</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLclampf</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLclampd</span><span class='hs-layout'>,</span> <span class='hs-conid'>Capability</span> <span class='hs-layout'>)</span>
<a name="line-66"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>BlendingFactor</span> <span class='hs-layout'>(</span>
<a name="line-67"></a>   <span class='hs-conid'>BlendingFactor</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>marshalBlendingFactor</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmarshalBlendingFactor</span> <span class='hs-layout'>)</span>
<a name="line-68"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>ComparisonFunction</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ComparisonFunction</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-69"></a>   <span class='hs-varid'>marshalComparisonFunction</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmarshalComparisonFunction</span> <span class='hs-layout'>)</span>
<a name="line-70"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>CoordTrans</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Position</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Size</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-71"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span> <span class='hs-layout'>(</span> <span class='hs-varid'>bracket_</span> <span class='hs-layout'>)</span>
<a name="line-72"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Extensions</span> <span class='hs-layout'>(</span>
<a name="line-73"></a>   <span class='hs-conid'>FunPtr</span><span class='hs-layout'>,</span> <span class='hs-varid'>unsafePerformIO</span><span class='hs-layout'>,</span> <span class='hs-conid'>Invoker</span><span class='hs-layout'>,</span> <span class='hs-varid'>getProcAddress</span> <span class='hs-layout'>)</span>
<a name="line-74"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Face</span> <span class='hs-layout'>(</span> <span class='hs-varid'>marshalFace</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmarshalFace</span> <span class='hs-layout'>)</span>
<a name="line-75"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Colors</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Face</span> <span class='hs-layout'>)</span>
<a name="line-76"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>GLboolean</span> <span class='hs-layout'>(</span>
<a name="line-77"></a>   <span class='hs-varid'>marshalGLboolean</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmarshalGLboolean</span> <span class='hs-layout'>)</span>
<a name="line-78"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>PeekPoke</span> <span class='hs-layout'>(</span> <span class='hs-varid'>peek1</span> <span class='hs-layout'>)</span>
<a name="line-79"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>QueryUtils</span> <span class='hs-layout'>(</span>
<a name="line-80"></a>   <span class='hs-conid'>GetPName</span><span class='hs-layout'>(</span><span class='hs-conid'>GetScissorBox</span><span class='hs-layout'>,</span><span class='hs-conid'>GetSampleCoverageValue</span><span class='hs-layout'>,</span><span class='hs-conid'>GetSampleCoverageInvert</span><span class='hs-layout'>,</span>
<a name="line-81"></a>            <span class='hs-conid'>GetDepthBounds</span><span class='hs-layout'>,</span><span class='hs-conid'>GetAlphaTestFunc</span><span class='hs-layout'>,</span><span class='hs-conid'>GetAlphaTestRef</span><span class='hs-layout'>,</span><span class='hs-conid'>GetStencilFunc</span><span class='hs-layout'>,</span>
<a name="line-82"></a>            <span class='hs-conid'>GetStencilRef</span><span class='hs-layout'>,</span><span class='hs-conid'>GetStencilValueMask</span><span class='hs-layout'>,</span><span class='hs-conid'>GetStencilFail</span><span class='hs-layout'>,</span>
<a name="line-83"></a>            <span class='hs-conid'>GetStencilPassDepthFail</span><span class='hs-layout'>,</span><span class='hs-conid'>GetStencilPassDepthPass</span><span class='hs-layout'>,</span>
<a name="line-84"></a>            <span class='hs-conid'>GetActiveStencilFace</span><span class='hs-layout'>,</span><span class='hs-conid'>GetDepthFunc</span><span class='hs-layout'>,</span><span class='hs-conid'>GetBlendEquation</span><span class='hs-layout'>,</span>
<a name="line-85"></a>            <span class='hs-conid'>GetBlendEquationAlpha</span><span class='hs-layout'>,</span><span class='hs-conid'>GetBlendDstRGB</span><span class='hs-layout'>,</span><span class='hs-conid'>GetBlendSrcRGB</span><span class='hs-layout'>,</span>
<a name="line-86"></a>            <span class='hs-conid'>GetBlendDstAlpha</span><span class='hs-layout'>,</span><span class='hs-conid'>GetBlendSrcAlpha</span><span class='hs-layout'>,</span><span class='hs-conid'>GetBlendSrc</span><span class='hs-layout'>,</span><span class='hs-conid'>GetBlendDst</span><span class='hs-layout'>,</span>
<a name="line-87"></a>            <span class='hs-conid'>GetBlendColor</span><span class='hs-layout'>,</span><span class='hs-conid'>GetLogicOpMode</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-88"></a>   <span class='hs-varid'>getInteger1</span><span class='hs-layout'>,</span> <span class='hs-varid'>getInteger4</span><span class='hs-layout'>,</span> <span class='hs-varid'>getEnum1</span><span class='hs-layout'>,</span> <span class='hs-varid'>getFloat1</span><span class='hs-layout'>,</span> <span class='hs-varid'>getFloat4</span><span class='hs-layout'>,</span> <span class='hs-varid'>getDouble2</span><span class='hs-layout'>,</span>
<a name="line-89"></a>   <span class='hs-varid'>getBoolean1</span> <span class='hs-layout'>)</span>
<a name="line-90"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span>
<a name="line-91"></a>   <span class='hs-conid'>HasGetter</span><span class='hs-layout'>(</span><span class='hs-varid'>get</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>GettableStateVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeGettableStateVar</span><span class='hs-layout'>,</span>
<a name="line-92"></a>   <span class='hs-conid'>SettableStateVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeSettableStateVar</span><span class='hs-layout'>,</span>
<a name="line-93"></a>   <span class='hs-conid'>StateVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>)</span>
<a name="line-94"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>VertexSpec</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Color4</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>rgbaMode</span> <span class='hs-layout'>)</span>
<a name="line-95"></a>
<a name="line-96"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-97"></a>
<a name="line-98"></a><span class='hs-cpp'>#include "HsOpenGLExt.h"</span>
<a name="line-99"></a>
<a name="line-100"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-101"></a>
<a name="line-102"></a><a name="scissor"></a><span class='hs-definition'>scissor</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Position</span><span class='hs-layout'>,</span> <span class='hs-conid'>Size</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-103"></a><span class='hs-definition'>scissor</span> <span class='hs-keyglyph'>=</span>
<a name="line-104"></a>   <span class='hs-varid'>makeStateVarMaybe</span>
<a name="line-105"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>CapScissorTest</span><span class='hs-layout'>)</span>
<a name="line-106"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>getInteger4</span> <span class='hs-varid'>makeSB</span> <span class='hs-conid'>GetScissorBox</span><span class='hs-layout'>)</span>
<a name="line-107"></a>      <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>Position</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>,</span> <span class='hs-conid'>Size</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>glScissor</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span>
<a name="line-108"></a>   <span class='hs-keyword'>where</span> <span class='hs-varid'>makeSB</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>Position</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>,</span> <span class='hs-conid'>Size</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-109"></a>       
<a name="line-110"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-conid'>CALLCONV</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"glScissor"</span> <span class='hs-varid'>glScissor</span> <span class='hs-keyglyph'>::</span>
<a name="line-111"></a>   <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-112"></a>
<a name="line-113"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-114"></a>
<a name="line-115"></a><a name="sampleAlphaToCoverage"></a><span class='hs-definition'>sampleAlphaToCoverage</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span>
<a name="line-116"></a><span class='hs-definition'>sampleAlphaToCoverage</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapSampleAlphaToCoverage</span>
<a name="line-117"></a>
<a name="line-118"></a><a name="sampleAlphaToOne"></a><span class='hs-definition'>sampleAlphaToOne</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span>
<a name="line-119"></a><span class='hs-definition'>sampleAlphaToOne</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapSampleAlphaToOne</span>
<a name="line-120"></a>
<a name="line-121"></a><a name="sampleCoverage"></a><span class='hs-definition'>sampleCoverage</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLclampf</span><span class='hs-layout'>,</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-122"></a><span class='hs-definition'>sampleCoverage</span> <span class='hs-keyglyph'>=</span>
<a name="line-123"></a>   <span class='hs-varid'>makeStateVarMaybe</span>
<a name="line-124"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>CapSampleCoverage</span><span class='hs-layout'>)</span>
<a name="line-125"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>liftM2</span> <span class='hs-conid'>(,)</span> <span class='hs-layout'>(</span><span class='hs-varid'>getFloat1</span> <span class='hs-varid'>id</span> <span class='hs-conid'>GetSampleCoverageValue</span><span class='hs-layout'>)</span>
<a name="line-126"></a>                  <span class='hs-layout'>(</span><span class='hs-varid'>getBoolean1</span> <span class='hs-varid'>unmarshalGLboolean</span> <span class='hs-conid'>GetSampleCoverageInvert</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-127"></a>      <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>value</span><span class='hs-layout'>,</span> <span class='hs-varid'>invert</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>glSampleCoverageARB</span> <span class='hs-varid'>value</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalGLboolean</span> <span class='hs-varid'>invert</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-128"></a>
<a name="line-129"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_multisample or OpenGL 1.3"</span><span class='hs-layout'>,</span><span class='hs-varid'>glSampleCoverageARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLclampf</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLboolean</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-130"></a>
<a name="line-131"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-132"></a>
<a name="line-133"></a><a name="depthBounds"></a><span class='hs-definition'>depthBounds</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLclampd</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLclampd</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-134"></a><span class='hs-definition'>depthBounds</span> <span class='hs-keyglyph'>=</span>
<a name="line-135"></a>   <span class='hs-varid'>makeStateVarMaybe</span>
<a name="line-136"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>CapDepthBoundsTest</span><span class='hs-layout'>)</span>
<a name="line-137"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>getDouble2</span> <span class='hs-conid'>(,)</span> <span class='hs-conid'>GetDepthBounds</span><span class='hs-layout'>)</span>
<a name="line-138"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>uncurry</span> <span class='hs-varid'>glDepthBoundsEXT</span><span class='hs-layout'>)</span>
<a name="line-139"></a>       
<a name="line-140"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_EXT_depth_bounds_test"</span><span class='hs-layout'>,</span><span class='hs-varid'>glDepthBoundsEXT</span><span class='hs-layout'>,</span><span class='hs-conid'>GLclampd</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLclampd</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-141"></a>
<a name="line-142"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-143"></a>
<a name="line-144"></a><a name="alphaFunc"></a><span class='hs-definition'>alphaFunc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>ComparisonFunction</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLclampf</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-145"></a><span class='hs-definition'>alphaFunc</span> <span class='hs-keyglyph'>=</span>
<a name="line-146"></a>   <span class='hs-varid'>makeStateVarMaybe</span>
<a name="line-147"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>CapAlphaTest</span><span class='hs-layout'>)</span>
<a name="line-148"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>liftM2</span> <span class='hs-conid'>(,)</span> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalComparisonFunction</span> <span class='hs-conid'>GetAlphaTestFunc</span><span class='hs-layout'>)</span>
<a name="line-149"></a>                  <span class='hs-layout'>(</span><span class='hs-varid'>getFloat1</span> <span class='hs-varid'>id</span> <span class='hs-conid'>GetAlphaTestRef</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-150"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>uncurry</span> <span class='hs-layout'>(</span><span class='hs-varid'>glAlphaFunc</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalComparisonFunction</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-151"></a>
<a name="line-152"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-conid'>CALLCONV</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"glAlphaFunc"</span> <span class='hs-varid'>glAlphaFunc</span> <span class='hs-keyglyph'>::</span>
<a name="line-153"></a>   <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLclampf</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-154"></a>
<a name="line-155"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-156"></a>
<a name="line-157"></a><a name="stencilTest"></a><span class='hs-definition'>stencilTest</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span>
<a name="line-158"></a><span class='hs-definition'>stencilTest</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapStencilTest</span>
<a name="line-159"></a>
<a name="line-160"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-161"></a>
<a name="line-162"></a><a name="stencilFunc"></a><span class='hs-definition'>stencilFunc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>ComparisonFunction</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLuint</span><span class='hs-layout'>)</span>
<a name="line-163"></a><span class='hs-definition'>stencilFunc</span> <span class='hs-keyglyph'>=</span>
<a name="line-164"></a>   <span class='hs-varid'>makeStateVar</span>
<a name="line-165"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>liftM3</span> <span class='hs-conid'>(,,)</span> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalComparisonFunction</span> <span class='hs-conid'>GetStencilFunc</span><span class='hs-layout'>)</span>
<a name="line-166"></a>                   <span class='hs-layout'>(</span><span class='hs-varid'>getInteger1</span> <span class='hs-varid'>id</span> <span class='hs-conid'>GetStencilRef</span><span class='hs-layout'>)</span>
<a name="line-167"></a>                   <span class='hs-layout'>(</span><span class='hs-varid'>getInteger1</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>GetStencilValueMask</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-168"></a>      <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>func</span><span class='hs-layout'>,</span> <span class='hs-varid'>ref</span><span class='hs-layout'>,</span> <span class='hs-varid'>mask</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-169"></a>         <span class='hs-varid'>glStencilFunc</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalComparisonFunction</span> <span class='hs-varid'>func</span><span class='hs-layout'>)</span> <span class='hs-varid'>ref</span> <span class='hs-varid'>mask</span><span class='hs-layout'>)</span>
<a name="line-170"></a>
<a name="line-171"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-conid'>CALLCONV</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"glStencilFunc"</span> <span class='hs-varid'>glStencilFunc</span> <span class='hs-keyglyph'>::</span>
<a name="line-172"></a>   <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLuint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-173"></a>
<a name="line-174"></a><a name="stencilFuncSeparate"></a><span class='hs-definition'>stencilFuncSeparate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Face</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>SettableStateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>ComparisonFunction</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLuint</span><span class='hs-layout'>)</span>
<a name="line-175"></a><span class='hs-definition'>stencilFuncSeparate</span> <span class='hs-varid'>face</span> <span class='hs-keyglyph'>=</span>
<a name="line-176"></a>   <span class='hs-varid'>makeSettableStateVar</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>func</span><span class='hs-layout'>,</span> <span class='hs-varid'>ref</span><span class='hs-layout'>,</span> <span class='hs-varid'>mask</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-177"></a>      <span class='hs-varid'>glStencilFuncSeparate</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalFace</span> <span class='hs-varid'>face</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalComparisonFunction</span> <span class='hs-varid'>func</span><span class='hs-layout'>)</span> <span class='hs-varid'>ref</span> <span class='hs-varid'>mask</span>
<a name="line-178"></a>
<a name="line-179"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"OpenGL 2.0"</span><span class='hs-layout'>,</span><span class='hs-varid'>glStencilFuncSeparate</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLuint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-180"></a>
<a name="line-181"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-182"></a>
<a name="line-183"></a><a name="StencilOp"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>StencilOp</span> <span class='hs-keyglyph'>=</span>
<a name="line-184"></a>     <span class='hs-conid'>OpZero</span>
<a name="line-185"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OpKeep</span>
<a name="line-186"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OpReplace</span>
<a name="line-187"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OpIncr</span>
<a name="line-188"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OpIncrWrap</span>
<a name="line-189"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OpDecr</span>
<a name="line-190"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OpDecrWrap</span>
<a name="line-191"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OpInvert</span>
<a name="line-192"></a>   <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>)</span>
<a name="line-193"></a>
<a name="line-194"></a><a name="marshalStencilOp"></a><span class='hs-definition'>marshalStencilOp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StencilOp</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span>
<a name="line-195"></a><span class='hs-definition'>marshalStencilOp</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-196"></a>   <span class='hs-conid'>OpZero</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x0</span>
<a name="line-197"></a>   <span class='hs-conid'>OpKeep</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1e00</span>
<a name="line-198"></a>   <span class='hs-conid'>OpReplace</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1e01</span>
<a name="line-199"></a>   <span class='hs-conid'>OpIncr</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1e02</span>
<a name="line-200"></a>   <span class='hs-conid'>OpIncrWrap</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x8507</span>
<a name="line-201"></a>   <span class='hs-conid'>OpDecr</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1e03</span>
<a name="line-202"></a>   <span class='hs-conid'>OpDecrWrap</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x8508</span>
<a name="line-203"></a>   <span class='hs-conid'>OpInvert</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x150a</span>
<a name="line-204"></a>
<a name="line-205"></a><a name="unmarshalStencilOp"></a><span class='hs-definition'>unmarshalStencilOp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>StencilOp</span>
<a name="line-206"></a><span class='hs-definition'>unmarshalStencilOp</span> <span class='hs-varid'>x</span>
<a name="line-207"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x0</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OpZero</span>
<a name="line-208"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1e00</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OpKeep</span>
<a name="line-209"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1e01</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OpReplace</span>
<a name="line-210"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1e02</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OpIncr</span>
<a name="line-211"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8507</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OpIncrWrap</span>
<a name="line-212"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1e03</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OpDecr</span>
<a name="line-213"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8508</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OpDecrWrap</span>
<a name="line-214"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x150a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OpInvert</span>
<a name="line-215"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-layout'>(</span><span class='hs-str'>"unmarshalStencilOp: illegal value "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-216"></a>
<a name="line-217"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-218"></a>
<a name="line-219"></a><a name="stencilOp"></a><span class='hs-definition'>stencilOp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>StencilOp</span><span class='hs-layout'>,</span> <span class='hs-conid'>StencilOp</span><span class='hs-layout'>,</span> <span class='hs-conid'>StencilOp</span><span class='hs-layout'>)</span>
<a name="line-220"></a><span class='hs-definition'>stencilOp</span> <span class='hs-keyglyph'>=</span>
<a name="line-221"></a>   <span class='hs-varid'>makeStateVar</span>
<a name="line-222"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>liftM3</span> <span class='hs-conid'>(,,)</span> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalStencilOp</span> <span class='hs-conid'>GetStencilFail</span><span class='hs-layout'>)</span>
<a name="line-223"></a>                   <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalStencilOp</span> <span class='hs-conid'>GetStencilPassDepthFail</span><span class='hs-layout'>)</span>
<a name="line-224"></a>                   <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalStencilOp</span> <span class='hs-conid'>GetStencilPassDepthPass</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-225"></a>      <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>sf</span><span class='hs-layout'>,</span> <span class='hs-varid'>spdf</span><span class='hs-layout'>,</span> <span class='hs-varid'>spdp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>glStencilOp</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalStencilOp</span> <span class='hs-varid'>sf</span><span class='hs-layout'>)</span>
<a name="line-226"></a>                                        <span class='hs-layout'>(</span><span class='hs-varid'>marshalStencilOp</span> <span class='hs-varid'>spdf</span><span class='hs-layout'>)</span>
<a name="line-227"></a>                                        <span class='hs-layout'>(</span><span class='hs-varid'>marshalStencilOp</span> <span class='hs-varid'>spdp</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-228"></a>
<a name="line-229"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-conid'>CALLCONV</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"glStencilOp"</span> <span class='hs-varid'>glStencilOp</span> <span class='hs-keyglyph'>::</span>
<a name="line-230"></a>   <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-231"></a>
<a name="line-232"></a><a name="stencilOpSeparate"></a><span class='hs-definition'>stencilOpSeparate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Face</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>SettableStateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>StencilOp</span><span class='hs-layout'>,</span> <span class='hs-conid'>StencilOp</span><span class='hs-layout'>,</span> <span class='hs-conid'>StencilOp</span><span class='hs-layout'>)</span>
<a name="line-233"></a><span class='hs-definition'>stencilOpSeparate</span> <span class='hs-varid'>face</span> <span class='hs-keyglyph'>=</span>
<a name="line-234"></a>   <span class='hs-varid'>makeSettableStateVar</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>sf</span><span class='hs-layout'>,</span> <span class='hs-varid'>spdf</span><span class='hs-layout'>,</span> <span class='hs-varid'>spdp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-235"></a>      <span class='hs-varid'>glStencilOpSeparate</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalFace</span> <span class='hs-varid'>face</span><span class='hs-layout'>)</span>
<a name="line-236"></a>                          <span class='hs-layout'>(</span><span class='hs-varid'>marshalStencilOp</span> <span class='hs-varid'>sf</span><span class='hs-layout'>)</span>
<a name="line-237"></a>                          <span class='hs-layout'>(</span><span class='hs-varid'>marshalStencilOp</span> <span class='hs-varid'>spdf</span><span class='hs-layout'>)</span>
<a name="line-238"></a>                          <span class='hs-layout'>(</span><span class='hs-varid'>marshalStencilOp</span> <span class='hs-varid'>spdp</span><span class='hs-layout'>)</span>
<a name="line-239"></a>
<a name="line-240"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"OpenGL 2.0"</span><span class='hs-layout'>,</span><span class='hs-varid'>glStencilOpSeparate</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-241"></a>
<a name="line-242"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-243"></a>
<a name="line-244"></a><a name="activeStencilFace"></a><span class='hs-definition'>activeStencilFace</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Face</span><span class='hs-layout'>)</span>
<a name="line-245"></a><span class='hs-definition'>activeStencilFace</span> <span class='hs-keyglyph'>=</span>
<a name="line-246"></a>   <span class='hs-varid'>makeStateVarMaybe</span>
<a name="line-247"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>CapStencilTestTwoSide</span><span class='hs-layout'>)</span>
<a name="line-248"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalFace</span> <span class='hs-conid'>GetActiveStencilFace</span><span class='hs-layout'>)</span>
<a name="line-249"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>glActiveStencilFaceEXT</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalFace</span><span class='hs-layout'>)</span>
<a name="line-250"></a>
<a name="line-251"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_EXT_stencil_two_side"</span><span class='hs-layout'>,</span><span class='hs-varid'>glActiveStencilFaceEXT</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-252"></a>
<a name="line-253"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-254"></a>
<a name="line-255"></a><a name="depthFunc"></a><span class='hs-definition'>depthFunc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>ComparisonFunction</span><span class='hs-layout'>)</span>
<a name="line-256"></a><span class='hs-definition'>depthFunc</span> <span class='hs-keyglyph'>=</span>
<a name="line-257"></a>   <span class='hs-varid'>makeStateVarMaybe</span>
<a name="line-258"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>CapDepthTest</span><span class='hs-layout'>)</span>
<a name="line-259"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalComparisonFunction</span> <span class='hs-conid'>GetDepthFunc</span><span class='hs-layout'>)</span>
<a name="line-260"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>glDepthFunc</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalComparisonFunction</span><span class='hs-layout'>)</span>
<a name="line-261"></a>
<a name="line-262"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-conid'>CALLCONV</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"glDepthFunc"</span> <span class='hs-varid'>glDepthFunc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-263"></a>
<a name="line-264"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-265"></a>
<a name="line-266"></a><a name="QueryObject"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>QueryObject</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>QueryObject</span> <span class='hs-layout'>{</span> <span class='hs-varid'>queryID</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLuint</span> <span class='hs-layout'>}</span>
<a name="line-267"></a>   <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>)</span>
<a name="line-268"></a>
<a name="line-269"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-270"></a>
<a name="line-271"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ObjectName</span> <span class='hs-conid'>QueryObject</span> <span class='hs-keyword'>where</span>
<a name="line-272"></a>   <span class='hs-varid'>genObjectNames</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span>
<a name="line-273"></a>      <span class='hs-varid'>allocaArray</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>buf</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-274"></a>        <span class='hs-varid'>glGenQueriesARB</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>buf</span>
<a name="line-275"></a>        <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-conid'>QueryObject</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>peekArray</span> <span class='hs-varid'>n</span> <span class='hs-varid'>buf</span>
<a name="line-276"></a>
<a name="line-277"></a>   <span class='hs-varid'>deleteObjectNames</span> <span class='hs-varid'>queryObjects</span> <span class='hs-keyglyph'>=</span>
<a name="line-278"></a>      <span class='hs-varid'>withArrayLen</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>queryID</span> <span class='hs-varid'>queryObjects</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-279"></a>         <span class='hs-varid'>glDeleteQueriesARB</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromIntegral</span>
<a name="line-280"></a>
<a name="line-281"></a>   <span class='hs-varid'>isObjectName</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>unmarshalGLboolean</span> <span class='hs-varop'>.</span> <span class='hs-varid'>glIsQueryARB</span> <span class='hs-varop'>.</span> <span class='hs-varid'>queryID</span>
<a name="line-282"></a>
<a name="line-283"></a>
<a name="line-284"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_occlusion_query or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glGenQueriesARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLuint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-285"></a>
<a name="line-286"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_occlusion_query or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glDeleteQueriesARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLuint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-287"></a>
<a name="line-288"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_occlusion_query or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glIsQueryARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLuint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>GLboolean</span><span class='hs-layout'>)</span>
<a name="line-289"></a>
<a name="line-290"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-291"></a>
<a name="line-292"></a><a name="QueryTarget"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>QueryTarget</span> <span class='hs-keyglyph'>=</span>
<a name="line-293"></a>     <span class='hs-conid'>SamplesPassed</span>
<a name="line-294"></a>   <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>)</span>
<a name="line-295"></a>
<a name="line-296"></a><a name="marshalQueryTarget"></a><span class='hs-definition'>marshalQueryTarget</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QueryTarget</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span>
<a name="line-297"></a><span class='hs-definition'>marshalQueryTarget</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-298"></a>   <span class='hs-conid'>SamplesPassed</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x8914</span>
<a name="line-299"></a>
<a name="line-300"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-301"></a>
<a name="line-302"></a><a name="beginQuery"></a><span class='hs-definition'>beginQuery</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QueryTarget</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>QueryObject</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-303"></a><span class='hs-definition'>beginQuery</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glBeginQueryARB</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalQueryTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>queryID</span>
<a name="line-304"></a>
<a name="line-305"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_occlusion_query or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glBeginQueryARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLuint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-306"></a>
<a name="line-307"></a><a name="endQuery"></a><span class='hs-definition'>endQuery</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QueryTarget</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-308"></a><span class='hs-definition'>endQuery</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glEndQueryARB</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalQueryTarget</span>
<a name="line-309"></a>
<a name="line-310"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_occlusion_query or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glEndQueryARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-311"></a>
<a name="line-312"></a><a name="withQuery"></a><span class='hs-comment'>-- | Convenience function for an exception-safe combination of 'beginQuery' and</span>
<a name="line-313"></a><span class='hs-comment'>-- 'endQuery'.</span>
<a name="line-314"></a><span class='hs-definition'>withQuery</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QueryTarget</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>QueryObject</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-315"></a><span class='hs-definition'>withQuery</span> <span class='hs-varid'>t</span> <span class='hs-varid'>q</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bracket_</span> <span class='hs-layout'>(</span><span class='hs-varid'>beginQuery</span> <span class='hs-varid'>t</span> <span class='hs-varid'>q</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>endQuery</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-316"></a>
<a name="line-317"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-318"></a>
<a name="line-319"></a><a name="GetQueryPName"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>GetQueryPName</span> <span class='hs-keyglyph'>=</span>
<a name="line-320"></a>     <span class='hs-conid'>QueryCounterBits</span>
<a name="line-321"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CurrentQuery</span>
<a name="line-322"></a>
<a name="line-323"></a><a name="marshalGetQueryPName"></a><span class='hs-definition'>marshalGetQueryPName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetQueryPName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span>
<a name="line-324"></a><span class='hs-definition'>marshalGetQueryPName</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-325"></a>   <span class='hs-conid'>QueryCounterBits</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x8864</span>
<a name="line-326"></a>   <span class='hs-conid'>CurrentQuery</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x8865</span>
<a name="line-327"></a>
<a name="line-328"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-329"></a>
<a name="line-330"></a><a name="queryCounterBits"></a><span class='hs-definition'>queryCounterBits</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QueryTarget</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>GLsizei</span>
<a name="line-331"></a><span class='hs-definition'>queryCounterBits</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getQueryi</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>QueryCounterBits</span>
<a name="line-332"></a>
<a name="line-333"></a><a name="currentQuery"></a><span class='hs-definition'>currentQuery</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QueryTarget</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>QueryObject</span><span class='hs-layout'>)</span>
<a name="line-334"></a><span class='hs-definition'>currentQuery</span> <span class='hs-keyglyph'>=</span>
<a name="line-335"></a>   <span class='hs-varid'>getQueryi</span>
<a name="line-336"></a>      <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>q</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>q</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>QueryObject</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>q</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-337"></a>      <span class='hs-conid'>CurrentQuery</span>
<a name="line-338"></a>
<a name="line-339"></a><a name="getQueryi"></a><span class='hs-definition'>getQueryi</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GetQueryPName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>QueryTarget</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-varid'>a</span>
<a name="line-340"></a><span class='hs-definition'>getQueryi</span> <span class='hs-varid'>f</span> <span class='hs-varid'>p</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span>
<a name="line-341"></a>   <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span>
<a name="line-342"></a>      <span class='hs-varid'>alloca</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>buf</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-343"></a>         <span class='hs-varid'>glGetQueryivARB</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalQueryTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalGetQueryPName</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-varid'>buf</span>
<a name="line-344"></a>         <span class='hs-varid'>peek1</span> <span class='hs-varid'>f</span> <span class='hs-varid'>buf</span>
<a name="line-345"></a>
<a name="line-346"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_occlusion_query or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glGetQueryivARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-347"></a>
<a name="line-348"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-349"></a>
<a name="line-350"></a><a name="GetQueryObjectPName"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>GetQueryObjectPName</span> <span class='hs-keyglyph'>=</span>
<a name="line-351"></a>     <span class='hs-conid'>QueryResult</span>
<a name="line-352"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>QueryResultAvailable</span>
<a name="line-353"></a>
<a name="line-354"></a><a name="marshalGetQueryObjectPName"></a><span class='hs-definition'>marshalGetQueryObjectPName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetQueryObjectPName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span>
<a name="line-355"></a><span class='hs-definition'>marshalGetQueryObjectPName</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-356"></a>   <span class='hs-conid'>QueryResult</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x8866</span>
<a name="line-357"></a>   <span class='hs-conid'>QueryResultAvailable</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x8867</span>
<a name="line-358"></a>
<a name="line-359"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-360"></a>
<a name="line-361"></a><a name="queryResult"></a><span class='hs-definition'>queryResult</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QueryObject</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>GLuint</span>
<a name="line-362"></a><span class='hs-definition'>queryResult</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getQueryObjectui</span> <span class='hs-varid'>id</span> <span class='hs-conid'>QueryResult</span>
<a name="line-363"></a>
<a name="line-364"></a><a name="queryResultAvailable"></a><span class='hs-definition'>queryResultAvailable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QueryObject</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>Bool</span>
<a name="line-365"></a><span class='hs-definition'>queryResultAvailable</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getQueryObjectui</span> <span class='hs-varid'>unmarshalGLboolean</span> <span class='hs-conid'>QueryResultAvailable</span>
<a name="line-366"></a>
<a name="line-367"></a><a name="getQueryObjectui"></a><span class='hs-definition'>getQueryObjectui</span> <span class='hs-keyglyph'>::</span>
<a name="line-368"></a>   <span class='hs-layout'>(</span><span class='hs-conid'>GLuint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GetQueryObjectPName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>QueryObject</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-varid'>a</span>
<a name="line-369"></a><span class='hs-definition'>getQueryObjectui</span> <span class='hs-varid'>f</span> <span class='hs-varid'>p</span> <span class='hs-varid'>q</span> <span class='hs-keyglyph'>=</span>
<a name="line-370"></a>   <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span>
<a name="line-371"></a>      <span class='hs-varid'>alloca</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>buf</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-372"></a>         <span class='hs-varid'>glGetQueryObjectuivARB</span> <span class='hs-layout'>(</span><span class='hs-varid'>queryID</span> <span class='hs-varid'>q</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalGetQueryObjectPName</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-varid'>buf</span>
<a name="line-373"></a>         <span class='hs-varid'>peek1</span> <span class='hs-varid'>f</span> <span class='hs-varid'>buf</span>
<a name="line-374"></a>
<a name="line-375"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_occlusion_query or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glGetQueryObjectuivARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLuint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLuint</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-376"></a>
<a name="line-377"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-378"></a>
<a name="line-379"></a><a name="blend"></a><span class='hs-definition'>blend</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span>
<a name="line-380"></a><span class='hs-definition'>blend</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapBlend</span>
<a name="line-381"></a>
<a name="line-382"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-383"></a>
<a name="line-384"></a><a name="BlendEquation"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>BlendEquation</span> <span class='hs-keyglyph'>=</span>
<a name="line-385"></a>     <span class='hs-conid'>FuncAdd</span>
<a name="line-386"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>FuncSubtract</span>
<a name="line-387"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>FuncReverseSubtract</span>
<a name="line-388"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Min</span>
<a name="line-389"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Max</span>
<a name="line-390"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>LogicOp</span>
<a name="line-391"></a>   <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>)</span>
<a name="line-392"></a>
<a name="line-393"></a><a name="marshalBlendEquation"></a><span class='hs-definition'>marshalBlendEquation</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BlendEquation</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span>
<a name="line-394"></a><span class='hs-definition'>marshalBlendEquation</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-395"></a>   <span class='hs-conid'>FuncAdd</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x8006</span>
<a name="line-396"></a>   <span class='hs-conid'>FuncSubtract</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x800a</span>
<a name="line-397"></a>   <span class='hs-conid'>FuncReverseSubtract</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x800b</span>
<a name="line-398"></a>   <span class='hs-conid'>Min</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x8007</span>
<a name="line-399"></a>   <span class='hs-conid'>Max</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x8008</span>
<a name="line-400"></a>   <span class='hs-conid'>LogicOp</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0xbf1</span>
<a name="line-401"></a>
<a name="line-402"></a><a name="unmarshalBlendEquation"></a><span class='hs-definition'>unmarshalBlendEquation</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>BlendEquation</span>
<a name="line-403"></a><span class='hs-definition'>unmarshalBlendEquation</span> <span class='hs-varid'>x</span>
<a name="line-404"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8006</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FuncAdd</span>
<a name="line-405"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x800a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FuncSubtract</span>
<a name="line-406"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x800b</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FuncReverseSubtract</span>
<a name="line-407"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8007</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Min</span>
<a name="line-408"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8008</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Max</span>
<a name="line-409"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0xbf1</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>LogicOp</span>
<a name="line-410"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-layout'>(</span><span class='hs-str'>"unmarshalBlendEquation: illegal value "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-411"></a>
<a name="line-412"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-413"></a>
<a name="line-414"></a><a name="blendEquation"></a><span class='hs-definition'>blendEquation</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>BlendEquation</span>
<a name="line-415"></a><span class='hs-definition'>blendEquation</span> <span class='hs-keyglyph'>=</span>
<a name="line-416"></a>   <span class='hs-varid'>makeStateVar</span>
<a name="line-417"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalBlendEquation</span> <span class='hs-conid'>GetBlendEquation</span><span class='hs-layout'>)</span>
<a name="line-418"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>glBlendEquationEXT</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalBlendEquation</span><span class='hs-layout'>)</span>
<a name="line-419"></a>
<a name="line-420"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_EXT_blend_minmax or GL_EXT_blend_subtract or OpenGL 1.4"</span><span class='hs-layout'>,</span><span class='hs-varid'>glBlendEquationEXT</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-421"></a>
<a name="line-422"></a><a name="blendEquationSeparate"></a><span class='hs-definition'>blendEquationSeparate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>BlendEquation</span><span class='hs-layout'>,</span><span class='hs-conid'>BlendEquation</span><span class='hs-layout'>)</span>
<a name="line-423"></a><span class='hs-definition'>blendEquationSeparate</span> <span class='hs-keyglyph'>=</span>
<a name="line-424"></a>   <span class='hs-varid'>makeStateVar</span>
<a name="line-425"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>liftM2</span> <span class='hs-conid'>(,)</span> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalBlendEquation</span> <span class='hs-conid'>GetBlendEquation</span><span class='hs-layout'>)</span>
<a name="line-426"></a>                  <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalBlendEquation</span> <span class='hs-conid'>GetBlendEquationAlpha</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-427"></a>      <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>funcRGB</span><span class='hs-layout'>,</span> <span class='hs-varid'>funcAlpha</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-428"></a>          <span class='hs-varid'>glBlendEquationSeparate</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalBlendEquation</span> <span class='hs-varid'>funcRGB</span><span class='hs-layout'>)</span>
<a name="line-429"></a>                                  <span class='hs-layout'>(</span><span class='hs-varid'>marshalBlendEquation</span> <span class='hs-varid'>funcAlpha</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-430"></a>
<a name="line-431"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_EXT_blend_equation_separate or OpenGL 2.0"</span><span class='hs-layout'>,</span><span class='hs-varid'>glBlendEquationSeparate</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-432"></a>
<a name="line-433"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-434"></a>
<a name="line-435"></a><a name="blendFuncSeparate"></a><span class='hs-definition'>blendFuncSeparate</span> <span class='hs-keyglyph'>::</span>
<a name="line-436"></a>   <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>BlendingFactor</span><span class='hs-layout'>,</span> <span class='hs-conid'>BlendingFactor</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>BlendingFactor</span><span class='hs-layout'>,</span> <span class='hs-conid'>BlendingFactor</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-437"></a><span class='hs-definition'>blendFuncSeparate</span> <span class='hs-keyglyph'>=</span>
<a name="line-438"></a>   <span class='hs-varid'>makeStateVar</span>
<a name="line-439"></a>      <span class='hs-layout'>(</span><span class='hs-keyword'>do</span> <span class='hs-varid'>srcRGB</span>   <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalBlendingFactor</span> <span class='hs-conid'>GetBlendSrcRGB</span>
<a name="line-440"></a>          <span class='hs-varid'>srcAlpha</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalBlendingFactor</span> <span class='hs-conid'>GetBlendSrcAlpha</span>
<a name="line-441"></a>          <span class='hs-varid'>dstRGB</span>   <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalBlendingFactor</span> <span class='hs-conid'>GetBlendDstRGB</span>
<a name="line-442"></a>          <span class='hs-varid'>dstAlpha</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalBlendingFactor</span> <span class='hs-conid'>GetBlendDstAlpha</span>
<a name="line-443"></a>          <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>srcRGB</span><span class='hs-layout'>,</span> <span class='hs-varid'>srcAlpha</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>dstRGB</span><span class='hs-layout'>,</span> <span class='hs-varid'>dstAlpha</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-444"></a>      <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>srcRGB</span><span class='hs-layout'>,</span> <span class='hs-varid'>srcAlpha</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>dstRGB</span><span class='hs-layout'>,</span> <span class='hs-varid'>dstAlpha</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-445"></a>         <span class='hs-varid'>glBlendFuncSeparateEXT</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalBlendingFactor</span> <span class='hs-varid'>srcRGB</span><span class='hs-layout'>)</span>
<a name="line-446"></a>                                <span class='hs-layout'>(</span><span class='hs-varid'>marshalBlendingFactor</span> <span class='hs-varid'>srcAlpha</span><span class='hs-layout'>)</span>
<a name="line-447"></a>                                <span class='hs-layout'>(</span><span class='hs-varid'>marshalBlendingFactor</span> <span class='hs-varid'>dstRGB</span><span class='hs-layout'>)</span>
<a name="line-448"></a>                                <span class='hs-layout'>(</span><span class='hs-varid'>marshalBlendingFactor</span> <span class='hs-varid'>dstAlpha</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-449"></a>
<a name="line-450"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_EXT_blend_func_separate or OpenGL 1.4"</span><span class='hs-layout'>,</span><span class='hs-varid'>glBlendFuncSeparateEXT</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-451"></a>
<a name="line-452"></a><a name="blendFunc"></a><span class='hs-definition'>blendFunc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>BlendingFactor</span><span class='hs-layout'>,</span> <span class='hs-conid'>BlendingFactor</span><span class='hs-layout'>)</span>
<a name="line-453"></a><span class='hs-definition'>blendFunc</span> <span class='hs-keyglyph'>=</span>
<a name="line-454"></a>   <span class='hs-varid'>makeStateVar</span>
<a name="line-455"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>liftM2</span> <span class='hs-conid'>(,)</span> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalBlendingFactor</span> <span class='hs-conid'>GetBlendSrc</span><span class='hs-layout'>)</span>
<a name="line-456"></a>                  <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalBlendingFactor</span> <span class='hs-conid'>GetBlendDst</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-457"></a>      <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-458"></a>         <span class='hs-varid'>glBlendFunc</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalBlendingFactor</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalBlendingFactor</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-459"></a>
<a name="line-460"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-conid'>CALLCONV</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"glBlendFunc"</span> <span class='hs-varid'>glBlendFunc</span> <span class='hs-keyglyph'>::</span>
<a name="line-461"></a>   <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-462"></a>
<a name="line-463"></a><a name="blendColor"></a><span class='hs-definition'>blendColor</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLclampf</span><span class='hs-layout'>)</span>
<a name="line-464"></a><span class='hs-definition'>blendColor</span> <span class='hs-keyglyph'>=</span>
<a name="line-465"></a>   <span class='hs-varid'>makeStateVar</span>
<a name="line-466"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>getFloat4</span> <span class='hs-conid'>Color4</span> <span class='hs-conid'>GetBlendColor</span><span class='hs-layout'>)</span>
<a name="line-467"></a>      <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-varid'>r</span> <span class='hs-varid'>g</span> <span class='hs-varid'>b</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>glBlendColorEXT</span> <span class='hs-varid'>r</span> <span class='hs-varid'>g</span> <span class='hs-varid'>b</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-468"></a>
<a name="line-469"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_EXT_blend_color or OpenGL 1.4"</span><span class='hs-layout'>,</span><span class='hs-varid'>glBlendColorEXT</span><span class='hs-layout'>,</span><span class='hs-conid'>GLclampf</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLclampf</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLclampf</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLclampf</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-470"></a>
<a name="line-471"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-472"></a>
<a name="line-473"></a><a name="dither"></a><span class='hs-definition'>dither</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span>
<a name="line-474"></a><span class='hs-definition'>dither</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapDither</span>
<a name="line-475"></a>
<a name="line-476"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-477"></a>
<a name="line-478"></a><a name="LogicOp"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>LogicOp</span> <span class='hs-keyglyph'>=</span>
<a name="line-479"></a>     <span class='hs-conid'>Clear</span>
<a name="line-480"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>And</span>
<a name="line-481"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AndReverse</span>
<a name="line-482"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Copy</span>
<a name="line-483"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AndInverted</span>
<a name="line-484"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Noop</span>
<a name="line-485"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Xor</span>
<a name="line-486"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Or</span>
<a name="line-487"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Nor</span>
<a name="line-488"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Equiv</span>
<a name="line-489"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Invert</span>
<a name="line-490"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OrReverse</span>
<a name="line-491"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CopyInverted</span>
<a name="line-492"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OrInverted</span>
<a name="line-493"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Nand</span>
<a name="line-494"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Set</span>
<a name="line-495"></a>   <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>)</span>
<a name="line-496"></a>
<a name="line-497"></a><a name="marshalLogicOp"></a><span class='hs-definition'>marshalLogicOp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>LogicOp</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>GLenum</span>
<a name="line-498"></a><span class='hs-definition'>marshalLogicOp</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-499"></a>   <span class='hs-conid'>Clear</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1500</span>
<a name="line-500"></a>   <span class='hs-conid'>And</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1501</span>
<a name="line-501"></a>   <span class='hs-conid'>AndReverse</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1502</span>
<a name="line-502"></a>   <span class='hs-conid'>Copy</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1503</span>
<a name="line-503"></a>   <span class='hs-conid'>AndInverted</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1504</span>
<a name="line-504"></a>   <span class='hs-conid'>Noop</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1505</span>
<a name="line-505"></a>   <span class='hs-conid'>Xor</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1506</span>
<a name="line-506"></a>   <span class='hs-conid'>Or</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1507</span>
<a name="line-507"></a>   <span class='hs-conid'>Nor</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1508</span>
<a name="line-508"></a>   <span class='hs-conid'>Equiv</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x1509</span>
<a name="line-509"></a>   <span class='hs-conid'>Invert</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x150a</span>
<a name="line-510"></a>   <span class='hs-conid'>OrReverse</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x150b</span>
<a name="line-511"></a>   <span class='hs-conid'>CopyInverted</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x150c</span>
<a name="line-512"></a>   <span class='hs-conid'>OrInverted</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x150d</span>
<a name="line-513"></a>   <span class='hs-conid'>Nand</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x150e</span>
<a name="line-514"></a>   <span class='hs-conid'>Set</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-num'>0x150f</span>
<a name="line-515"></a>
<a name="line-516"></a><a name="unmarshalLogicOp"></a><span class='hs-definition'>unmarshalLogicOp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>LogicOp</span>
<a name="line-517"></a><span class='hs-definition'>unmarshalLogicOp</span> <span class='hs-varid'>x</span>
<a name="line-518"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1500</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Clear</span>
<a name="line-519"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1501</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>And</span>
<a name="line-520"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1502</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>AndReverse</span>
<a name="line-521"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1503</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Copy</span>
<a name="line-522"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1504</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>AndInverted</span>
<a name="line-523"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1505</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Noop</span>
<a name="line-524"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1506</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Xor</span>
<a name="line-525"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1507</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Or</span>
<a name="line-526"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1508</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nor</span>
<a name="line-527"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1509</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Equiv</span>
<a name="line-528"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x150a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Invert</span>
<a name="line-529"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x150b</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OrReverse</span>
<a name="line-530"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x150c</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CopyInverted</span>
<a name="line-531"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x150d</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OrInverted</span>
<a name="line-532"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x150e</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nand</span>
<a name="line-533"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x150f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Set</span>
<a name="line-534"></a>   <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-layout'>(</span><span class='hs-str'>"unmarshalLogicOp: illegal value "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-535"></a>
<a name="line-536"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-537"></a>
<a name="line-538"></a><a name="logicOp"></a><span class='hs-definition'>logicOp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>LogicOp</span><span class='hs-layout'>)</span>
<a name="line-539"></a><span class='hs-definition'>logicOp</span> <span class='hs-keyglyph'>=</span>
<a name="line-540"></a>   <span class='hs-varid'>makeStateVarMaybe</span>
<a name="line-541"></a>      <span class='hs-layout'>(</span><span class='hs-keyword'>do</span> <span class='hs-varid'>rgba</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>get</span> <span class='hs-varid'>rgbaMode</span>
<a name="line-542"></a>          <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>rgba</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>CapColorLogicOp</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>CapIndexLogicOp</span><span class='hs-layout'>)</span>
<a name="line-543"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalLogicOp</span> <span class='hs-conid'>GetLogicOpMode</span><span class='hs-layout'>)</span>
<a name="line-544"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>glLogicOp</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalLogicOp</span><span class='hs-layout'>)</span>
<a name="line-545"></a>
<a name="line-546"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-conid'>CALLCONV</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"glLogicOp"</span> <span class='hs-varid'>glLogicOp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
</pre></body>
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