<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ --> <title>Graphics/Rendering/OpenGL/GL/Texturing/Environments.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <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.Texturing.Environments</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 3.8.13 (Texture Environments and Texture</span> <a name="line-12"></a><span class='hs-comment'>-- Functions) of the 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'>Texturing</span><span class='hs-varop'>.</span><span class='hs-conid'>Environments</span> <span class='hs-layout'>(</span> <a name="line-17"></a> <span class='hs-conid'>TextureFunction</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'>textureFunction</span><span class='hs-layout'>,</span> <a name="line-18"></a> <span class='hs-conid'>TextureCombineFunction</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'>combineRGB</span><span class='hs-layout'>,</span> <span class='hs-varid'>combineAlpha</span><span class='hs-layout'>,</span> <a name="line-19"></a> <span class='hs-conid'>ArgNum</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'>Arg</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'>Src</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'>argRGB</span><span class='hs-layout'>,</span> <span class='hs-varid'>argAlpha</span><span class='hs-layout'>,</span> <a name="line-20"></a> <span class='hs-varid'>rgbScale</span><span class='hs-layout'>,</span> <span class='hs-varid'>alphaScale</span><span class='hs-layout'>,</span> <a name="line-21"></a> <span class='hs-varid'>constantColor</span><span class='hs-layout'>,</span> <span class='hs-varid'>textureUnitLODBias</span> <a name="line-22"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-23"></a> <a name="line-24"></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> <a name="line-25"></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-26"></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-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Storable</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Storable</span> <span class='hs-layout'>)</span> <a name="line-28"></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'>Utils</span> <span class='hs-layout'>(</span> <span class='hs-varid'>with</span> <span class='hs-layout'>)</span> <a name="line-29"></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> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLenum</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLfloat</span> <span class='hs-layout'>)</span> <a name="line-30"></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-31"></a> <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-32"></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-33"></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'>PerFragment</span> <span class='hs-layout'>(</span> <span class='hs-conid'>BlendingFactor</span> <span class='hs-layout'>)</span> <a name="line-34"></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-35"></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'>HasSetter</span><span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>$=</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <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-36"></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'>Texturing</span><span class='hs-varop'>.</span><span class='hs-conid'>Parameters</span> <span class='hs-layout'>(</span> <span class='hs-conid'>LOD</span> <span class='hs-layout'>)</span> <a name="line-37"></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'>Texturing</span><span class='hs-varop'>.</span><span class='hs-conid'>TextureUnit</span> <span class='hs-layout'>(</span> <a name="line-38"></a> <span class='hs-varid'>marshalTextureUnit</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmarshalTextureUnit</span> <span class='hs-layout'>)</span> <a name="line-39"></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-conid'>TextureUnit</span> <span class='hs-layout'>)</span> <a name="line-40"></a> <a name="line-41"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-42"></a> <a name="line-43"></a><a name="TextureEnvTarget"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TextureEnvTarget</span> <span class='hs-keyglyph'>=</span> <a name="line-44"></a> <span class='hs-conid'>TextureEnv</span> <a name="line-45"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureFilterControl</span> <span class='hs-comment'>-- GL_TEXTURE_LOD_BIAS_EXT</span> <a name="line-46"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PointSprite</span> <span class='hs-comment'>-- GL_COORD_REPLACE_NV</span> <a name="line-47"></a> <a name="line-48"></a><a name="marshalTextureEnvTarget"></a><span class='hs-definition'>marshalTextureEnvTarget</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureEnvTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-49"></a><span class='hs-definition'>marshalTextureEnvTarget</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-50"></a> <span class='hs-conid'>TextureEnv</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2300</span> <a name="line-51"></a> <span class='hs-conid'>TextureFilterControl</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8500</span> <a name="line-52"></a> <span class='hs-conid'>PointSprite</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8861</span> <a name="line-53"></a> <a name="line-54"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-55"></a> <a name="line-56"></a><a name="TextureEnvParameter"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TextureEnvParameter</span> <span class='hs-keyglyph'>=</span> <a name="line-57"></a> <span class='hs-conid'>TexEnvParamTextureEnvMode</span> <a name="line-58"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamTextureEnvColor</span> <a name="line-59"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamCombineRGB</span> <a name="line-60"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamCombineAlpha</span> <a name="line-61"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamSrc0RGB</span> <a name="line-62"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamSrc1RGB</span> <a name="line-63"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamSrc2RGB</span> <a name="line-64"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamSrc3RGB</span> <a name="line-65"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamSrc0Alpha</span> <a name="line-66"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamSrc1Alpha</span> <a name="line-67"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamSrc2Alpha</span> <a name="line-68"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamSrc3Alpha</span> <a name="line-69"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamOperand0RGB</span> <a name="line-70"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamOperand1RGB</span> <a name="line-71"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamOperand2RGB</span> <a name="line-72"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamOperand3RGB</span> <a name="line-73"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamOperand0Alpha</span> <a name="line-74"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamOperand1Alpha</span> <a name="line-75"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamOperand2Alpha</span> <a name="line-76"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamOperand3Alpha</span> <a name="line-77"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamRGBScale</span> <a name="line-78"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamAlphaScale</span> <a name="line-79"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexEnvParamLODBias</span> <a name="line-80"></a> <a name="line-81"></a><a name="marshalTextureEnvParameter"></a><span class='hs-definition'>marshalTextureEnvParameter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureEnvParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-82"></a><span class='hs-definition'>marshalTextureEnvParameter</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-83"></a> <span class='hs-conid'>TexEnvParamTextureEnvMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2200</span> <a name="line-84"></a> <span class='hs-conid'>TexEnvParamTextureEnvColor</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2201</span> <a name="line-85"></a> <span class='hs-conid'>TexEnvParamCombineRGB</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8571</span> <a name="line-86"></a> <span class='hs-conid'>TexEnvParamCombineAlpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8572</span> <a name="line-87"></a> <span class='hs-conid'>TexEnvParamSrc0RGB</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8580</span> <a name="line-88"></a> <span class='hs-conid'>TexEnvParamSrc1RGB</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8581</span> <a name="line-89"></a> <span class='hs-conid'>TexEnvParamSrc2RGB</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8582</span> <a name="line-90"></a> <span class='hs-conid'>TexEnvParamSrc3RGB</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8583</span> <a name="line-91"></a> <span class='hs-conid'>TexEnvParamSrc0Alpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8588</span> <a name="line-92"></a> <span class='hs-conid'>TexEnvParamSrc1Alpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8589</span> <a name="line-93"></a> <span class='hs-conid'>TexEnvParamSrc2Alpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x858a</span> <a name="line-94"></a> <span class='hs-conid'>TexEnvParamSrc3Alpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x858b</span> <a name="line-95"></a> <span class='hs-conid'>TexEnvParamOperand0RGB</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8590</span> <a name="line-96"></a> <span class='hs-conid'>TexEnvParamOperand1RGB</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8591</span> <a name="line-97"></a> <span class='hs-conid'>TexEnvParamOperand2RGB</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8592</span> <a name="line-98"></a> <span class='hs-conid'>TexEnvParamOperand3RGB</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8593</span> <a name="line-99"></a> <span class='hs-conid'>TexEnvParamOperand0Alpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8598</span> <a name="line-100"></a> <span class='hs-conid'>TexEnvParamOperand1Alpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8599</span> <a name="line-101"></a> <span class='hs-conid'>TexEnvParamOperand2Alpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x859a</span> <a name="line-102"></a> <span class='hs-conid'>TexEnvParamOperand3Alpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x859b</span> <a name="line-103"></a> <span class='hs-conid'>TexEnvParamRGBScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8573</span> <a name="line-104"></a> <span class='hs-conid'>TexEnvParamAlphaScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd1c</span> <a name="line-105"></a> <span class='hs-conid'>TexEnvParamLODBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8501</span> <a name="line-106"></a> <a name="line-107"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-108"></a> <a name="line-109"></a><a name="texEnv"></a><span class='hs-definition'>texEnv</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-110"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-111"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-112"></a><span class='hs-definition'>texEnv</span> <span class='hs-varid'>glTexEnv</span> <span class='hs-varid'>marshalAct</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <a name="line-113"></a> <span class='hs-varid'>marshalAct</span> <span class='hs-varid'>x</span> <span class='hs-varop'>$</span> <a name="line-114"></a> <span class='hs-varid'>glTexEnv</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureEnvTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureEnvParameter</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-115"></a> <a name="line-116"></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'>"glTexEnvi"</span> <a name="line-117"></a> <span class='hs-varid'>glTexEnvi</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-118"></a> <a name="line-119"></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'>"glTexEnvf"</span> <a name="line-120"></a> <span class='hs-varid'>glTexEnvf</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-121"></a> <a name="line-122"></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'>"glTexEnvfv"</span> <a name="line-123"></a> <span class='hs-varid'>glTexEnvC4f</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-124"></a> <a name="line-125"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-126"></a> <a name="line-127"></a><a name="getTexEnv"></a><span class='hs-definition'>getTexEnv</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Storable</span> <span class='hs-varid'>b</span> <a name="line-128"></a> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-129"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <a name="line-130"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <a name="line-131"></a><span class='hs-definition'>getTexEnv</span> <span class='hs-varid'>glGetTexEnv</span> <span class='hs-varid'>unmarshal</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <a name="line-132"></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'>-></span> <span class='hs-keyword'>do</span> <a name="line-133"></a> <span class='hs-varid'>glGetTexEnv</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureEnvTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureEnvParameter</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-varid'>buf</span> <a name="line-134"></a> <span class='hs-varid'>peek1</span> <span class='hs-varid'>unmarshal</span> <span class='hs-varid'>buf</span> <a name="line-135"></a> <a name="line-136"></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'>"glGetTexEnviv"</span> <a name="line-137"></a> <span class='hs-varid'>glGetTexEnviv</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-138"></a> <a name="line-139"></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'>"glGetTexEnvfv"</span> <a name="line-140"></a> <span class='hs-varid'>glGetTexEnvfv</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-141"></a> <a name="line-142"></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'>"glGetTexEnvfv"</span> <a name="line-143"></a> <span class='hs-varid'>glGetTexEnvC4f</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-144"></a> <a name="line-145"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-146"></a> <a name="line-147"></a><a name="m2a"></a><span class='hs-definition'>m2a</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-148"></a><span class='hs-definition'>m2a</span> <span class='hs-varid'>marshal</span> <span class='hs-varid'>x</span> <span class='hs-varid'>act</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>act</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshal</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <a name="line-149"></a> <a name="line-150"></a><a name="texEnvi"></a><span class='hs-definition'>texEnvi</span> <span class='hs-keyglyph'>::</span> <a name="line-151"></a> <span class='hs-layout'>(</span><span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-varid'>a</span> <a name="line-152"></a><span class='hs-definition'>texEnvi</span> <span class='hs-varid'>unmarshal</span> <span class='hs-varid'>marshal</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <a name="line-153"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-154"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexEnv</span> <span class='hs-varid'>glGetTexEnviv</span> <span class='hs-varid'>unmarshal</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-155"></a> <span class='hs-layout'>(</span><span class='hs-varid'>texEnv</span> <span class='hs-varid'>glTexEnvi</span> <span class='hs-layout'>(</span><span class='hs-varid'>m2a</span> <span class='hs-varid'>marshal</span><span class='hs-layout'>)</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-156"></a> <a name="line-157"></a><a name="texEnvf"></a><span class='hs-definition'>texEnvf</span> <span class='hs-keyglyph'>::</span> <a name="line-158"></a> <span class='hs-layout'>(</span><span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-varid'>a</span> <a name="line-159"></a><span class='hs-definition'>texEnvf</span> <span class='hs-varid'>unmarshal</span> <span class='hs-varid'>marshal</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <a name="line-160"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-161"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexEnv</span> <span class='hs-varid'>glGetTexEnvfv</span> <span class='hs-varid'>unmarshal</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-162"></a> <span class='hs-layout'>(</span><span class='hs-varid'>texEnv</span> <span class='hs-varid'>glTexEnvf</span> <span class='hs-layout'>(</span><span class='hs-varid'>m2a</span> <span class='hs-varid'>marshal</span><span class='hs-layout'>)</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-163"></a> <a name="line-164"></a><a name="texEnvC4f"></a><span class='hs-definition'>texEnvC4f</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureEnvTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvParameter</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'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-165"></a><span class='hs-definition'>texEnvC4f</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <a name="line-166"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-167"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexEnv</span> <span class='hs-varid'>glGetTexEnvC4f</span> <span class='hs-varid'>id</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-168"></a> <span class='hs-layout'>(</span><span class='hs-varid'>texEnv</span> <span class='hs-varid'>glTexEnvC4f</span> <span class='hs-varid'>with</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-169"></a> <a name="line-170"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-171"></a> <a name="line-172"></a><a name="TextureFunction"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TextureFunction</span> <span class='hs-keyglyph'>=</span> <a name="line-173"></a> <span class='hs-conid'>Modulate</span> <a name="line-174"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Decal</span> <a name="line-175"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Blend</span> <a name="line-176"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Replace</span> <a name="line-177"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AddUnsigned</span> <a name="line-178"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Combine</span> <a name="line-179"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Combine4</span> <a name="line-180"></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-181"></a> <a name="line-182"></a><a name="marshalTextureFunction"></a><span class='hs-definition'>marshalTextureFunction</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureFunction</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span> <a name="line-183"></a><span class='hs-definition'>marshalTextureFunction</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-184"></a> <span class='hs-conid'>Modulate</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2100</span> <a name="line-185"></a> <span class='hs-conid'>Decal</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2101</span> <a name="line-186"></a> <span class='hs-conid'>Blend</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xbe2</span> <a name="line-187"></a> <span class='hs-conid'>Replace</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1e01</span> <a name="line-188"></a> <span class='hs-conid'>AddUnsigned</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x104</span> <a name="line-189"></a> <span class='hs-conid'>Combine</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8570</span> <a name="line-190"></a> <span class='hs-conid'>Combine4</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8503</span> <a name="line-191"></a> <a name="line-192"></a><a name="unmarshalTextureFunction"></a><span class='hs-definition'>unmarshalTextureFunction</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureFunction</span> <a name="line-193"></a><span class='hs-definition'>unmarshalTextureFunction</span> <span class='hs-varid'>x</span> <a name="line-194"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x2100</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Modulate</span> <a name="line-195"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x2101</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Decal</span> <a name="line-196"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0xbe2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Blend</span> <a name="line-197"></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'>Replace</span> <a name="line-198"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x104</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>AddUnsigned</span> <a name="line-199"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8570</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Combine</span> <a name="line-200"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8503</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Combine4</span> <a name="line-201"></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'>"unmarshalTextureFunction: 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-202"></a> <a name="line-203"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-204"></a> <a name="line-205"></a><a name="textureFunction"></a><span class='hs-definition'>textureFunction</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>TextureFunction</span> <a name="line-206"></a><span class='hs-definition'>textureFunction</span> <span class='hs-keyglyph'>=</span> <a name="line-207"></a> <span class='hs-varid'>texEnvi</span> <span class='hs-varid'>unmarshalTextureFunction</span> <span class='hs-varid'>marshalTextureFunction</span> <span class='hs-conid'>TextureEnv</span> <span class='hs-conid'>TexEnvParamTextureEnvMode</span> <a name="line-208"></a> <a name="line-209"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-210"></a> <a name="line-211"></a><a name="TextureCombineFunction"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TextureCombineFunction</span> <span class='hs-keyglyph'>=</span> <a name="line-212"></a> <span class='hs-conid'>Replace'</span> <a name="line-213"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Modulate'</span> <a name="line-214"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AddUnsigned'</span> <a name="line-215"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AddSigned</span> <a name="line-216"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Interpolate</span> <a name="line-217"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Subtract</span> <a name="line-218"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Dot3RGB</span> <a name="line-219"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Dot3RGBA</span> <a name="line-220"></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-221"></a> <a name="line-222"></a><a name="marshalTextureCombineFunction"></a><span class='hs-definition'>marshalTextureCombineFunction</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureCombineFunction</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span> <a name="line-223"></a><span class='hs-definition'>marshalTextureCombineFunction</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-224"></a> <span class='hs-conid'>Replace'</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1e01</span> <a name="line-225"></a> <span class='hs-conid'>Modulate'</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2100</span> <a name="line-226"></a> <span class='hs-conid'>AddUnsigned'</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x104</span> <a name="line-227"></a> <span class='hs-conid'>AddSigned</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8574</span> <a name="line-228"></a> <span class='hs-conid'>Interpolate</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8575</span> <a name="line-229"></a> <span class='hs-conid'>Subtract</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x84e7</span> <a name="line-230"></a> <span class='hs-conid'>Dot3RGB</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x86ae</span> <a name="line-231"></a> <span class='hs-conid'>Dot3RGBA</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x86af</span> <a name="line-232"></a> <a name="line-233"></a><a name="unmarshalTextureCombineFunction"></a><span class='hs-definition'>unmarshalTextureCombineFunction</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureCombineFunction</span> <a name="line-234"></a><span class='hs-definition'>unmarshalTextureCombineFunction</span> <span class='hs-varid'>x</span> <a name="line-235"></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'>Replace'</span> <a name="line-236"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x2100</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Modulate'</span> <a name="line-237"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x104</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>AddUnsigned'</span> <a name="line-238"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8574</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>AddSigned</span> <a name="line-239"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8575</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Interpolate</span> <a name="line-240"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x84e7</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Subtract</span> <a name="line-241"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x86ae</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Dot3RGB</span> <a name="line-242"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x86af</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Dot3RGBA</span> <a name="line-243"></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'>"unmarshalTextureCombineFunction: 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-244"></a> <a name="line-245"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-246"></a> <a name="line-247"></a><a name="combineRGB"></a><span class='hs-definition'>combineRGB</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>TextureCombineFunction</span> <a name="line-248"></a><span class='hs-definition'>combineRGB</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>combine</span> <span class='hs-conid'>TexEnvParamCombineRGB</span> <a name="line-249"></a> <a name="line-250"></a><a name="combineAlpha"></a><span class='hs-definition'>combineAlpha</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>TextureCombineFunction</span> <a name="line-251"></a><span class='hs-definition'>combineAlpha</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>combine</span> <span class='hs-conid'>TexEnvParamCombineAlpha</span> <a name="line-252"></a> <a name="line-253"></a><a name="combine"></a><span class='hs-definition'>combine</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureEnvParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>TextureCombineFunction</span> <a name="line-254"></a><span class='hs-definition'>combine</span> <span class='hs-keyglyph'>=</span> <a name="line-255"></a> <span class='hs-varid'>texEnvi</span> <span class='hs-varid'>unmarshalTextureCombineFunction</span> <span class='hs-varid'>marshalTextureCombineFunction</span> <span class='hs-conid'>TextureEnv</span> <a name="line-256"></a> <a name="line-257"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-258"></a> <a name="line-259"></a><a name="ArgNum"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ArgNum</span> <span class='hs-keyglyph'>=</span> <a name="line-260"></a> <span class='hs-conid'>Arg0</span> <a name="line-261"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Arg1</span> <a name="line-262"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Arg2</span> <a name="line-263"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Arg3</span> <a name="line-264"></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-265"></a> <a name="line-266"></a><a name="argNumToOperandRGB"></a><span class='hs-definition'>argNumToOperandRGB</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ArgNum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvParameter</span> <a name="line-267"></a><span class='hs-definition'>argNumToOperandRGB</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-268"></a> <span class='hs-conid'>Arg0</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamOperand0RGB</span> <a name="line-269"></a> <span class='hs-conid'>Arg1</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamOperand1RGB</span> <a name="line-270"></a> <span class='hs-conid'>Arg2</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamOperand2RGB</span> <a name="line-271"></a> <span class='hs-conid'>Arg3</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamOperand3RGB</span> <a name="line-272"></a> <a name="line-273"></a><a name="argNumToOperandAlpha"></a><span class='hs-definition'>argNumToOperandAlpha</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ArgNum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvParameter</span> <a name="line-274"></a><span class='hs-definition'>argNumToOperandAlpha</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-275"></a> <span class='hs-conid'>Arg0</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamOperand0Alpha</span> <a name="line-276"></a> <span class='hs-conid'>Arg1</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamOperand1Alpha</span> <a name="line-277"></a> <span class='hs-conid'>Arg2</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamOperand2Alpha</span> <a name="line-278"></a> <span class='hs-conid'>Arg3</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamOperand3Alpha</span> <a name="line-279"></a> <a name="line-280"></a><a name="argNumToSrcRGB"></a><span class='hs-definition'>argNumToSrcRGB</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ArgNum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvParameter</span> <a name="line-281"></a><span class='hs-definition'>argNumToSrcRGB</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-282"></a> <span class='hs-conid'>Arg0</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamSrc0RGB</span> <a name="line-283"></a> <span class='hs-conid'>Arg1</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamSrc1RGB</span> <a name="line-284"></a> <span class='hs-conid'>Arg2</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamSrc2RGB</span> <a name="line-285"></a> <span class='hs-conid'>Arg3</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamSrc3RGB</span> <a name="line-286"></a> <a name="line-287"></a><a name="argNumToSrcAlpha"></a><span class='hs-definition'>argNumToSrcAlpha</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ArgNum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvParameter</span> <a name="line-288"></a><span class='hs-definition'>argNumToSrcAlpha</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-289"></a> <span class='hs-conid'>Arg0</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamSrc0Alpha</span> <a name="line-290"></a> <span class='hs-conid'>Arg1</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamSrc1Alpha</span> <a name="line-291"></a> <span class='hs-conid'>Arg2</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamSrc2Alpha</span> <a name="line-292"></a> <span class='hs-conid'>Arg3</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexEnvParamSrc3Alpha</span> <a name="line-293"></a> <a name="line-294"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-295"></a> <a name="line-296"></a><a name="Arg"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Arg</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Arg</span> <span class='hs-conid'>BlendingFactor</span> <span class='hs-conid'>Src</span> <a name="line-297"></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-298"></a> <a name="line-299"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-300"></a> <a name="line-301"></a><a name="Src"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Src</span> <span class='hs-keyglyph'>=</span> <a name="line-302"></a> <span class='hs-conid'>CurrentUnit</span> <a name="line-303"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Previous</span> <a name="line-304"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Crossbar</span> <span class='hs-conid'>TextureUnit</span> <a name="line-305"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Constant</span> <a name="line-306"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PrimaryColor</span> <a name="line-307"></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-308"></a> <a name="line-309"></a><a name="marshalSrc"></a><span class='hs-definition'>marshalSrc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Src</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span> <a name="line-310"></a><span class='hs-definition'>marshalSrc</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-311"></a> <span class='hs-conid'>CurrentUnit</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1702</span> <a name="line-312"></a> <span class='hs-conid'>Previous</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8578</span> <a name="line-313"></a> <span class='hs-conid'>Crossbar</span> <span class='hs-varid'>u</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fromIntegral</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureUnit</span> <span class='hs-varid'>u</span><span class='hs-layout'>)</span> <a name="line-314"></a> <span class='hs-conid'>Constant</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8576</span> <a name="line-315"></a> <span class='hs-conid'>PrimaryColor</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8577</span> <a name="line-316"></a> <a name="line-317"></a><a name="unmarshalSrc"></a><span class='hs-definition'>unmarshalSrc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Src</span> <a name="line-318"></a><span class='hs-definition'>unmarshalSrc</span> <span class='hs-varid'>x</span> <a name="line-319"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1702</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CurrentUnit</span> <a name="line-320"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8578</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Previous</span> <a name="line-321"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8576</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Constant</span> <a name="line-322"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8577</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>PrimaryColor</span> <a name="line-323"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Crossbar</span> <span class='hs-layout'>(</span><span class='hs-varid'>unmarshalTextureUnit</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-324"></a> <a name="line-325"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-326"></a> <a name="line-327"></a><a name="argRGB"></a><span class='hs-definition'>argRGB</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ArgNum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Arg</span> <a name="line-328"></a><span class='hs-definition'>argRGB</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>arg</span> <span class='hs-layout'>(</span><span class='hs-varid'>argNumToOperandRGB</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>argNumToSrcRGB</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <a name="line-329"></a> <a name="line-330"></a><a name="argAlpha"></a><span class='hs-definition'>argAlpha</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ArgNum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Arg</span> <a name="line-331"></a><span class='hs-definition'>argAlpha</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>arg</span> <span class='hs-layout'>(</span><span class='hs-varid'>argNumToOperandAlpha</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>argNumToSrcAlpha</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <a name="line-332"></a> <a name="line-333"></a><a name="arg"></a><span class='hs-definition'>arg</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureEnvParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureEnvParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Arg</span> <a name="line-334"></a><span class='hs-definition'>arg</span> <span class='hs-varid'>op</span> <span class='hs-varid'>src</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>combineArg</span> <span class='hs-layout'>(</span><span class='hs-varid'>textureEnvOperand</span> <span class='hs-varid'>op</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>textureEnvSrc</span> <span class='hs-varid'>src</span><span class='hs-layout'>)</span> <a name="line-335"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>combineArg</span> <span class='hs-varid'>v</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeStateVar</span> <a name="line-336"></a> <span class='hs-layout'>(</span><span class='hs-varid'>liftM2</span> <span class='hs-conid'>Arg</span> <span class='hs-layout'>(</span><span class='hs-varid'>get</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>get</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-337"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>Arg</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>v</span> <span class='hs-varop'>$=</span> <span class='hs-varid'>x</span><span class='hs-layout'>;</span> <span class='hs-varid'>w</span> <span class='hs-varop'>$=</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <a name="line-338"></a> <a name="line-339"></a><a name="textureEnvOperand"></a><span class='hs-definition'>textureEnvOperand</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureEnvParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>BlendingFactor</span> <a name="line-340"></a><span class='hs-definition'>textureEnvOperand</span> <span class='hs-keyglyph'>=</span> <a name="line-341"></a> <span class='hs-varid'>texEnvi</span> <span class='hs-layout'>(</span><span class='hs-varid'>unmarshalBlendingFactor</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromIntegral</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalBlendingFactor</span><span class='hs-layout'>)</span> <span class='hs-conid'>TextureEnv</span> <a name="line-342"></a> <a name="line-343"></a><a name="textureEnvSrc"></a><span class='hs-definition'>textureEnvSrc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureEnvParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Src</span> <a name="line-344"></a><span class='hs-definition'>textureEnvSrc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>texEnvi</span> <span class='hs-varid'>unmarshalSrc</span> <span class='hs-varid'>marshalSrc</span> <span class='hs-conid'>TextureEnv</span> <a name="line-345"></a> <a name="line-346"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-347"></a> <a name="line-348"></a><a name="rgbScale"></a><span class='hs-definition'>rgbScale</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-349"></a><span class='hs-definition'>rgbScale</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>scale</span> <span class='hs-conid'>TexEnvParamRGBScale</span> <a name="line-350"></a> <a name="line-351"></a><a name="alphaScale"></a><span class='hs-definition'>alphaScale</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-352"></a><span class='hs-definition'>alphaScale</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>scale</span> <span class='hs-conid'>TexEnvParamAlphaScale</span> <a name="line-353"></a> <a name="line-354"></a><a name="scale"></a><span class='hs-definition'>scale</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureEnvParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-355"></a><span class='hs-definition'>scale</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>texEnvf</span> <span class='hs-varid'>id</span> <span class='hs-varid'>id</span> <span class='hs-conid'>TextureEnv</span> <a name="line-356"></a> <a name="line-357"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-358"></a> <a name="line-359"></a><a name="constantColor"></a><span class='hs-definition'>constantColor</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'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-360"></a><span class='hs-definition'>constantColor</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>texEnvC4f</span> <span class='hs-conid'>TextureEnv</span> <span class='hs-conid'>TexEnvParamTextureEnvColor</span> <a name="line-361"></a> <a name="line-362"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-363"></a> <a name="line-364"></a><a name="textureUnitLODBias"></a><span class='hs-definition'>textureUnitLODBias</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>LOD</span> <a name="line-365"></a><span class='hs-definition'>textureUnitLODBias</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>texEnvf</span> <span class='hs-varid'>id</span> <span class='hs-varid'>id</span> <span class='hs-conid'>TextureFilterControl</span> <span class='hs-conid'>TexEnvParamLODBias</span> </pre></body> </html>
