<?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/Colors.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.Colors</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 2.14 (Colors and Coloring) 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'>Colors</span> <span class='hs-layout'>(</span> <a name="line-17"></a> <span class='hs-comment'>-- * Lighting</span> <a name="line-18"></a> <span class='hs-varid'>lighting</span><span class='hs-layout'>,</span> <span class='hs-conid'>Light</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'>light</span><span class='hs-layout'>,</span> <span class='hs-varid'>maxLights</span><span class='hs-layout'>,</span> <a name="line-19"></a> <span class='hs-conid'>FrontFaceDirection</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'>frontFace</span><span class='hs-layout'>,</span> <a name="line-20"></a> <a name="line-21"></a> <span class='hs-comment'>-- * Lighting Parameter Specification</span> <a name="line-22"></a> <span class='hs-conid'>Face</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-23"></a> <span class='hs-varid'>materialAmbient</span><span class='hs-layout'>,</span> <span class='hs-varid'>materialDiffuse</span><span class='hs-layout'>,</span> <span class='hs-varid'>materialAmbientAndDiffuse</span><span class='hs-layout'>,</span> <a name="line-24"></a> <span class='hs-varid'>materialSpecular</span><span class='hs-layout'>,</span> <span class='hs-varid'>materialEmission</span><span class='hs-layout'>,</span> <span class='hs-varid'>materialShininess</span><span class='hs-layout'>,</span> <span class='hs-varid'>maxShininess</span><span class='hs-layout'>,</span> <a name="line-25"></a> <span class='hs-varid'>materialColorIndexes</span><span class='hs-layout'>,</span> <a name="line-26"></a> <a name="line-27"></a> <span class='hs-varid'>ambient</span><span class='hs-layout'>,</span> <span class='hs-varid'>diffuse</span><span class='hs-layout'>,</span> <span class='hs-varid'>specular</span><span class='hs-layout'>,</span> <a name="line-28"></a> <span class='hs-varid'>position</span><span class='hs-layout'>,</span> <span class='hs-varid'>spotDirection</span><span class='hs-layout'>,</span> <span class='hs-varid'>spotExponent</span><span class='hs-layout'>,</span> <span class='hs-varid'>maxSpotExponent</span><span class='hs-layout'>,</span> <span class='hs-varid'>spotCutoff</span><span class='hs-layout'>,</span> <a name="line-29"></a> <span class='hs-varid'>attenuation</span><span class='hs-layout'>,</span> <a name="line-30"></a> <a name="line-31"></a> <span class='hs-varid'>lightModelAmbient</span><span class='hs-layout'>,</span> <span class='hs-varid'>lightModelLocalViewer</span><span class='hs-layout'>,</span> <span class='hs-varid'>lightModelTwoSide</span><span class='hs-layout'>,</span> <a name="line-32"></a> <span class='hs-varid'>vertexProgramTwoSide</span><span class='hs-layout'>,</span> <a name="line-33"></a> <span class='hs-conid'>LightModelColorControl</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'>lightModelColorControl</span><span class='hs-layout'>,</span> <a name="line-34"></a> <a name="line-35"></a> <span class='hs-comment'>-- * ColorMaterial</span> <a name="line-36"></a> <span class='hs-conid'>ColorMaterialParameter</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'>colorMaterial</span><span class='hs-layout'>,</span> <a name="line-37"></a> <a name="line-38"></a> <span class='hs-comment'>-- * Flatshading</span> <a name="line-39"></a> <span class='hs-conid'>ShadingModel</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'>shadeModel</span> <a name="line-40"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-41"></a> <a name="line-42"></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-43"></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-44"></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'>allocaArray</span><span class='hs-layout'>,</span> <span class='hs-varid'>withArray</span> <span class='hs-layout'>)</span> <a name="line-45"></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-46"></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-47"></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><span class='hs-varid'>peek</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <a name="line-48"></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-49"></a> <span class='hs-varid'>marshalCapability</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmarshalCapability</span><span class='hs-layout'>,</span> <a name="line-50"></a> <span class='hs-conid'>EnableCap</span><span class='hs-layout'>(</span><span class='hs-conid'>CapVertexProgramTwoSide</span><span class='hs-layout'>,</span><span class='hs-conid'>CapLighting</span><span class='hs-layout'>,</span><span class='hs-conid'>CapColorMaterial</span><span class='hs-layout'>,</span><span class='hs-conid'>CapLight</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-51"></a> <span class='hs-varid'>makeCapability</span><span class='hs-layout'>,</span> <a name="line-52"></a> <span class='hs-varid'>makeStateVarMaybe</span> <span class='hs-layout'>)</span> <a name="line-53"></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-54"></a> <span class='hs-conid'>GLenum</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLsizei</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>,</span><span class='hs-conid'>Capability</span> <span class='hs-layout'>)</span> <a name="line-55"></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> <a name="line-56"></a> <span class='hs-conid'>Face</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'>marshalFace</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmarshalFace</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'>PeekPoke</span> <span class='hs-layout'>(</span> <span class='hs-varid'>peek3</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'>QueryUtils</span> <span class='hs-layout'>(</span> <a name="line-59"></a> <span class='hs-conid'>GetPName</span><span class='hs-layout'>(</span><span class='hs-conid'>GetMaxLights</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetFrontFace</span><span class='hs-layout'>,</span><span class='hs-conid'>GetShadeModel</span><span class='hs-layout'>,</span> <a name="line-60"></a> <span class='hs-conid'>GetLightModelAmbient</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetLightModelLocalViewer</span><span class='hs-layout'>,</span> <a name="line-61"></a> <span class='hs-conid'>GetLightModelTwoSide</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetLightModelColorControl</span><span class='hs-layout'>,</span> <a name="line-62"></a> <span class='hs-conid'>GetColorMaterialFace</span><span class='hs-layout'>,</span><span class='hs-conid'>GetColorMaterialParameter</span><span class='hs-layout'>,</span> <a name="line-63"></a> <span class='hs-conid'>GetMaxShininess</span><span class='hs-layout'>,</span><span class='hs-conid'>GetMaxSpotExponent</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-64"></a> <span class='hs-varid'>getBoolean1</span><span class='hs-layout'>,</span> <span class='hs-varid'>getEnum1</span><span class='hs-layout'>,</span> <span class='hs-varid'>getSizei1</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'>lightIndexToEnum</span> <span class='hs-layout'>)</span> <a name="line-65"></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-66"></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> <a name="line-67"></a> <span class='hs-conid'>GettableStateVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeGettableStateVar</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-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'>VertexSpec</span> <span class='hs-layout'>(</span> <a name="line-69"></a> <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'>Normal3</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'>Vertex4</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'>Index1</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</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'>GLU</span><span class='hs-varop'>.</span><span class='hs-conid'>ErrorsInternal</span> <span class='hs-layout'>(</span> <span class='hs-varid'>recordInvalidEnum</span> <span class='hs-layout'>)</span> <a name="line-71"></a> <a name="line-72"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-73"></a> <a name="line-74"></a><a name="lighting"></a><span class='hs-definition'>lighting</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-75"></a><span class='hs-definition'>lighting</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapLighting</span> <a name="line-76"></a> <a name="line-77"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-78"></a> <a name="line-79"></a><a name="Light"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>Light</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Light</span> <span class='hs-conid'>GLsizei</span> <a name="line-80"></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-81"></a> <a name="line-82"></a><a name="marshalLight"></a><span class='hs-definition'>marshalLight</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>GLenum</span> <a name="line-83"></a><span class='hs-definition'>marshalLight</span> <span class='hs-layout'>(</span><span class='hs-conid'>Light</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lightIndexToEnum</span> <span class='hs-varid'>l</span> <a name="line-84"></a> <a name="line-85"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-86"></a> <a name="line-87"></a><a name="light"></a><span class='hs-definition'>light</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-88"></a><span class='hs-definition'>light</span> <span class='hs-layout'>(</span><span class='hs-conid'>Light</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-layout'>(</span><span class='hs-conid'>CapLight</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <a name="line-89"></a> <a name="line-90"></a><a name="maxLights"></a><span class='hs-definition'>maxLights</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>GLsizei</span> <a name="line-91"></a><span class='hs-definition'>maxLights</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>getSizei1</span> <span class='hs-varid'>id</span> <span class='hs-conid'>GetMaxLights</span><span class='hs-layout'>)</span> <a name="line-92"></a> <a name="line-93"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-94"></a> <a name="line-95"></a><a name="FrontFaceDirection"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>FrontFaceDirection</span> <span class='hs-keyglyph'>=</span> <a name="line-96"></a> <span class='hs-conid'>CW</span> <a name="line-97"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CCW</span> <a name="line-98"></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-99"></a> <a name="line-100"></a><a name="marshalFrontFaceDirection"></a><span class='hs-definition'>marshalFrontFaceDirection</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FrontFaceDirection</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-101"></a><span class='hs-definition'>marshalFrontFaceDirection</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-102"></a> <span class='hs-conid'>CW</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x900</span> <a name="line-103"></a> <span class='hs-conid'>CCW</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x901</span> <a name="line-104"></a> <a name="line-105"></a><a name="unmarshalFrontFaceDirection"></a><span class='hs-definition'>unmarshalFrontFaceDirection</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FrontFaceDirection</span> <a name="line-106"></a><span class='hs-definition'>unmarshalFrontFaceDirection</span> <span class='hs-varid'>x</span> <a name="line-107"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x900</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CW</span> <a name="line-108"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x901</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CCW</span> <a name="line-109"></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'>"unmarshalFrontFaceDirection: 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-110"></a> <a name="line-111"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-112"></a> <a name="line-113"></a><a name="frontFace"></a><span class='hs-definition'>frontFace</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>FrontFaceDirection</span> <a name="line-114"></a><span class='hs-definition'>frontFace</span> <span class='hs-keyglyph'>=</span> <a name="line-115"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-116"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalFrontFaceDirection</span> <span class='hs-conid'>GetFrontFace</span><span class='hs-layout'>)</span> <a name="line-117"></a> <span class='hs-layout'>(</span><span class='hs-varid'>glFrontFace</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalFrontFaceDirection</span><span class='hs-layout'>)</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'>"glFrontFace"</span> <span class='hs-varid'>glFrontFace</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-120"></a> <a name="line-121"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-122"></a> <a name="line-123"></a><a name="MaterialParameter"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>MaterialParameter</span> <span class='hs-keyglyph'>=</span> <a name="line-124"></a> <span class='hs-conid'>MaterialEmission</span> <a name="line-125"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MaterialShininess</span> <a name="line-126"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MaterialAmbientAndDiffuse</span> <a name="line-127"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MaterialColorIndexes</span> <a name="line-128"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MaterialAmbient</span> <a name="line-129"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MaterialDiffuse</span> <a name="line-130"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MaterialSpecular</span> <a name="line-131"></a> <a name="line-132"></a><a name="marshalMaterialParameter"></a><span class='hs-definition'>marshalMaterialParameter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MaterialParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-133"></a><span class='hs-definition'>marshalMaterialParameter</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-134"></a> <span class='hs-conid'>MaterialEmission</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1600</span> <a name="line-135"></a> <span class='hs-conid'>MaterialShininess</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1601</span> <a name="line-136"></a> <span class='hs-conid'>MaterialAmbientAndDiffuse</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1602</span> <a name="line-137"></a> <span class='hs-conid'>MaterialColorIndexes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1603</span> <a name="line-138"></a> <span class='hs-conid'>MaterialAmbient</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1200</span> <a name="line-139"></a> <span class='hs-conid'>MaterialDiffuse</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1201</span> <a name="line-140"></a> <span class='hs-conid'>MaterialSpecular</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1202</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="materialAmbient"></a><span class='hs-definition'>materialAmbient</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Face</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-145"></a><span class='hs-definition'>materialAmbient</span> <span class='hs-keyglyph'>=</span> <a name="line-146"></a> <span class='hs-varid'>makeMaterialVar</span> <span class='hs-varid'>glGetMaterialfvc</span> <span class='hs-varid'>glMaterialfvc</span> <span class='hs-conid'>MaterialAmbient</span> <a name="line-147"></a> <a name="line-148"></a><a name="materialDiffuse"></a><span class='hs-definition'>materialDiffuse</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Face</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-149"></a><span class='hs-definition'>materialDiffuse</span> <span class='hs-keyglyph'>=</span> <a name="line-150"></a> <span class='hs-varid'>makeMaterialVar</span> <span class='hs-varid'>glGetMaterialfvc</span> <span class='hs-varid'>glMaterialfvc</span> <span class='hs-conid'>MaterialDiffuse</span> <a name="line-151"></a> <a name="line-152"></a><a name="materialAmbientAndDiffuse"></a><span class='hs-definition'>materialAmbientAndDiffuse</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Face</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-153"></a><span class='hs-definition'>materialAmbientAndDiffuse</span> <span class='hs-keyglyph'>=</span> <a name="line-154"></a> <span class='hs-varid'>makeMaterialVar</span> <span class='hs-varid'>glGetMaterialfvc</span> <span class='hs-varid'>glMaterialfvc</span> <span class='hs-conid'>MaterialAmbientAndDiffuse</span> <a name="line-155"></a> <a name="line-156"></a><a name="materialSpecular"></a><span class='hs-definition'>materialSpecular</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Face</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-157"></a><span class='hs-definition'>materialSpecular</span> <span class='hs-keyglyph'>=</span> <a name="line-158"></a> <span class='hs-varid'>makeMaterialVar</span> <span class='hs-varid'>glGetMaterialfvc</span> <span class='hs-varid'>glMaterialfvc</span> <span class='hs-conid'>MaterialSpecular</span> <a name="line-159"></a> <a name="line-160"></a><a name="materialEmission"></a><span class='hs-definition'>materialEmission</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Face</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-161"></a><span class='hs-definition'>materialEmission</span> <span class='hs-keyglyph'>=</span> <a name="line-162"></a> <span class='hs-varid'>makeMaterialVar</span> <span class='hs-varid'>glGetMaterialfvc</span> <span class='hs-varid'>glMaterialfvc</span> <span class='hs-conid'>MaterialEmission</span> <a name="line-163"></a> <a name="line-164"></a><a name="makeMaterialVar"></a><span class='hs-definition'>makeMaterialVar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Storable</span> <span class='hs-varid'>a</span> <a name="line-165"></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'>a</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-166"></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'>a</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-167"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MaterialParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Face</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-varid'>a</span> <a name="line-168"></a><span class='hs-definition'>makeMaterialVar</span> <span class='hs-varid'>getter</span> <span class='hs-varid'>setter</span> <span class='hs-varid'>materialParameter</span> <span class='hs-varid'>face</span> <span class='hs-keyglyph'>=</span> <a name="line-169"></a> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>(</span><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> <span class='hs-varid'>getter</span> <span class='hs-varid'>f</span> <span class='hs-varid'>mp</span> <span class='hs-varid'>buf</span> <span class='hs-layout'>;</span> <span class='hs-varid'>peek</span> <span class='hs-varid'>buf</span><span class='hs-layout'>)</span> <a name="line-170"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>val</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>with</span> <span class='hs-varid'>val</span> <span class='hs-varop'>$</span> <span class='hs-varid'>setter</span> <span class='hs-varid'>f</span> <span class='hs-varid'>mp</span><span class='hs-layout'>)</span> <a name="line-171"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>mp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>marshalMaterialParameter</span> <span class='hs-varid'>materialParameter</span> <a name="line-172"></a> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>marshalFace</span> <span class='hs-varid'>face</span> <a name="line-173"></a> <a name="line-174"></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'>"glGetMaterialfv"</span> <span class='hs-varid'>glGetMaterialfvc</span> <span class='hs-keyglyph'>::</span> <a name="line-175"></a> <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-176"></a> <a name="line-177"></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'>"glMaterialfv"</span> <span class='hs-varid'>glMaterialfvc</span> <span class='hs-keyglyph'>::</span> <a name="line-178"></a> <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-179"></a> <a name="line-180"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-181"></a> <a name="line-182"></a><a name="materialShininess"></a><span class='hs-definition'>materialShininess</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Face</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-183"></a><span class='hs-definition'>materialShininess</span> <span class='hs-keyglyph'>=</span> <a name="line-184"></a> <span class='hs-varid'>makeMaterialVar</span> <span class='hs-varid'>glGetMaterialfvf</span> <span class='hs-varid'>glMaterialff</span> <span class='hs-conid'>MaterialShininess</span> <a name="line-185"></a> <a name="line-186"></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'>"glGetMaterialfv"</span> <span class='hs-varid'>glGetMaterialfvf</span> <span class='hs-keyglyph'>::</span> <a name="line-187"></a> <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-188"></a> <a name="line-189"></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'>"glMaterialfv"</span> <span class='hs-varid'>glMaterialff</span> <span class='hs-keyglyph'>::</span> <a name="line-190"></a> <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-191"></a> <a name="line-192"></a><a name="maxShininess"></a><span class='hs-definition'>maxShininess</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-193"></a><span class='hs-definition'>maxShininess</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getFloat1</span> <span class='hs-varid'>id</span> <span class='hs-conid'>GetMaxShininess</span> <a name="line-194"></a> <a name="line-195"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-196"></a> <a name="line-197"></a><span class='hs-comment'>-- Alas, (Index1 GLint, Index1 GLint, Index1 GLint) is not an instance of</span> <a name="line-198"></a><span class='hs-comment'>-- Storable...</span> <a name="line-199"></a> <a name="line-200"></a><a name="materialColorIndexes"></a><span class='hs-definition'>materialColorIndexes</span> <span class='hs-keyglyph'>::</span> <a name="line-201"></a> <span class='hs-conid'>Face</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Index1</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>Index1</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>Index1</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>)</span> <a name="line-202"></a><span class='hs-definition'>materialColorIndexes</span> <span class='hs-varid'>face</span> <span class='hs-keyglyph'>=</span> <a name="line-203"></a> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>getMaterialColorIndexes</span> <span class='hs-varid'>face</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>setMaterialColorIndexes</span> <span class='hs-varid'>face</span><span class='hs-layout'>)</span> <a name="line-204"></a> <a name="line-205"></a><a name="getMaterialColorIndexes"></a><span class='hs-definition'>getMaterialColorIndexes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Face</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Index1</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>Index1</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>Index1</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>)</span> <a name="line-206"></a><span class='hs-definition'>getMaterialColorIndexes</span> <span class='hs-varid'>face</span> <span class='hs-keyglyph'>=</span> <a name="line-207"></a> <span class='hs-varid'>allocaArray</span> <span class='hs-num'>3</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-208"></a> <span class='hs-varid'>glGetMaterialiv</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-209"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalMaterialParameter</span> <span class='hs-conid'>MaterialColorIndexes</span><span class='hs-layout'>)</span> <a name="line-210"></a> <span class='hs-varid'>buf</span> <a name="line-211"></a> <span class='hs-varid'>peek3</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>a</span> <span class='hs-varid'>d</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Index1</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Index1</span> <span class='hs-varid'>d</span><span class='hs-layout'>,</span> <span class='hs-conid'>Index1</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>buf</span> <a name="line-212"></a> <a name="line-213"></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'>"glGetMaterialiv"</span> <span class='hs-varid'>glGetMaterialiv</span> <span class='hs-keyglyph'>::</span> <a name="line-214"></a> <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-215"></a> <a name="line-216"></a><a name="setMaterialColorIndexes"></a><span class='hs-definition'>setMaterialColorIndexes</span> <span class='hs-keyglyph'>::</span> <a name="line-217"></a> <span class='hs-conid'>Face</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Index1</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>Index1</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>Index1</span> <span class='hs-conid'>GLint</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-218"></a><span class='hs-definition'>setMaterialColorIndexes</span> <span class='hs-varid'>face</span> <span class='hs-layout'>(</span><span class='hs-conid'>Index1</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Index1</span> <span class='hs-varid'>d</span><span class='hs-layout'>,</span> <span class='hs-conid'>Index1</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <a name="line-219"></a> <span class='hs-varid'>withArray</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-varid'>d</span><span class='hs-layout'>,</span> <span class='hs-varid'>s</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>$</span> <a name="line-220"></a> <span class='hs-varid'>glMaterialiv</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-221"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalMaterialParameter</span> <span class='hs-conid'>MaterialColorIndexes</span><span class='hs-layout'>)</span> <a name="line-222"></a> <a name="line-223"></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'>"glMaterialiv"</span> <span class='hs-varid'>glMaterialiv</span> <span class='hs-keyglyph'>::</span> <a name="line-224"></a> <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-225"></a> <a name="line-226"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-227"></a> <a name="line-228"></a><a name="LightParameter"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>LightParameter</span> <span class='hs-keyglyph'>=</span> <a name="line-229"></a> <span class='hs-conid'>Ambient'</span> <a name="line-230"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Diffuse'</span> <a name="line-231"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Specular'</span> <a name="line-232"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Position</span> <a name="line-233"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SpotDirection</span> <a name="line-234"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SpotExponent</span> <a name="line-235"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SpotCutoff</span> <a name="line-236"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ConstantAttenuation</span> <a name="line-237"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>LinearAttenuation</span> <a name="line-238"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>QuadraticAttenuation</span> <a name="line-239"></a> <a name="line-240"></a><a name="marshalLightParameter"></a><span class='hs-definition'>marshalLightParameter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>LightParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-241"></a><span class='hs-definition'>marshalLightParameter</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-242"></a> <span class='hs-conid'>Ambient'</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1200</span> <a name="line-243"></a> <span class='hs-conid'>Diffuse'</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1201</span> <a name="line-244"></a> <span class='hs-conid'>Specular'</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1202</span> <a name="line-245"></a> <span class='hs-conid'>Position</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1203</span> <a name="line-246"></a> <span class='hs-conid'>SpotDirection</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1204</span> <a name="line-247"></a> <span class='hs-conid'>SpotExponent</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1205</span> <a name="line-248"></a> <span class='hs-conid'>SpotCutoff</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1206</span> <a name="line-249"></a> <span class='hs-conid'>ConstantAttenuation</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1207</span> <a name="line-250"></a> <span class='hs-conid'>LinearAttenuation</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1208</span> <a name="line-251"></a> <span class='hs-conid'>QuadraticAttenuation</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1209</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="ambient"></a><span class='hs-definition'>ambient</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</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-256"></a><span class='hs-definition'>ambient</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeLightVar</span> <span class='hs-varid'>glGetLightfvc</span> <span class='hs-varid'>glLightfvc</span> <span class='hs-conid'>Ambient'</span> <span class='hs-varid'>black</span> <a name="line-257"></a> <a name="line-258"></a><a name="black"></a><span class='hs-definition'>black</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span> <a name="line-259"></a><span class='hs-definition'>black</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Color4</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <a name="line-260"></a> <a name="line-261"></a><a name="diffuse"></a><span class='hs-definition'>diffuse</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</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-262"></a><span class='hs-definition'>diffuse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeLightVar</span> <span class='hs-varid'>glGetLightfvc</span> <span class='hs-varid'>glLightfvc</span> <span class='hs-conid'>Diffuse'</span> <span class='hs-varid'>black</span> <a name="line-263"></a> <a name="line-264"></a><a name="specular"></a><span class='hs-definition'>specular</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</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-265"></a><span class='hs-definition'>specular</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeLightVar</span> <span class='hs-varid'>glGetLightfvc</span> <span class='hs-varid'>glLightfvc</span> <span class='hs-conid'>Specular'</span> <span class='hs-varid'>black</span> <a name="line-266"></a> <a name="line-267"></a><a name="makeLightVar"></a><span class='hs-definition'>makeLightVar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Storable</span> <span class='hs-varid'>a</span> <a name="line-268"></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'>a</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-269"></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'>a</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-270"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>LightParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Light</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-varid'>a</span> <a name="line-271"></a><span class='hs-definition'>makeLightVar</span> <span class='hs-varid'>getter</span> <span class='hs-varid'>setter</span> <span class='hs-varid'>lightParameter</span> <span class='hs-varid'>defaultValue</span> <span class='hs-varid'>theLight</span> <span class='hs-keyglyph'>=</span> <a name="line-272"></a> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varid'>defaultValue</span><span class='hs-layout'>)</span> <span class='hs-varid'>getLightVar</span> <span class='hs-varid'>ml</span><span class='hs-layout'>)</span> <a name="line-273"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>val</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>maybe</span> <span class='hs-varid'>recordInvalidEnum</span> <span class='hs-layout'>(</span><span class='hs-varid'>setLightVar</span> <span class='hs-varid'>val</span><span class='hs-layout'>)</span> <span class='hs-varid'>ml</span><span class='hs-layout'>)</span> <a name="line-274"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>lp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>marshalLightParameter</span> <span class='hs-varid'>lightParameter</span> <a name="line-275"></a> <span class='hs-varid'>ml</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>marshalLight</span> <span class='hs-varid'>theLight</span> <a name="line-276"></a> <span class='hs-varid'>getLightVar</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>alloca</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>buf</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>getter</span> <span class='hs-varid'>l</span> <span class='hs-varid'>lp</span> <span class='hs-varid'>buf</span> <span class='hs-layout'>;</span> <span class='hs-varid'>peek</span> <span class='hs-varid'>buf</span> <a name="line-277"></a> <span class='hs-varid'>setLightVar</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>val</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>with</span> <span class='hs-varid'>val</span> <span class='hs-varop'>$</span> <span class='hs-varid'>setter</span> <span class='hs-varid'>l</span> <span class='hs-varid'>lp</span> <a name="line-278"></a> <a name="line-279"></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'>"glGetLightfv"</span> <span class='hs-varid'>glGetLightfvc</span> <span class='hs-keyglyph'>::</span> <a name="line-280"></a> <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-281"></a> <a name="line-282"></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'>"glLightfv"</span> <span class='hs-varid'>glLightfvc</span> <span class='hs-keyglyph'>::</span> <a name="line-283"></a> <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-284"></a> <a name="line-285"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-286"></a> <a name="line-287"></a><a name="position"></a><span class='hs-definition'>position</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Vertex4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-288"></a><span class='hs-definition'>position</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeLightVar</span> <span class='hs-varid'>glGetLightfvv</span> <span class='hs-varid'>glLightfvv</span> <span class='hs-conid'>Position</span> <span class='hs-layout'>(</span><span class='hs-conid'>Vertex4</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <a name="line-289"></a> <a name="line-290"></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'>"glLightfv"</span> <span class='hs-varid'>glLightfvv</span> <span class='hs-keyglyph'>::</span> <a name="line-291"></a> <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'>Vertex4</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-292"></a> <a name="line-293"></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'>"glGetLightfv"</span> <span class='hs-varid'>glGetLightfvv</span> <span class='hs-keyglyph'>::</span> <a name="line-294"></a> <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'>Vertex4</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-295"></a> <a name="line-296"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-297"></a> <a name="line-298"></a><a name="spotDirection"></a><span class='hs-definition'>spotDirection</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Normal3</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-299"></a><span class='hs-definition'>spotDirection</span> <span class='hs-keyglyph'>=</span> <a name="line-300"></a> <span class='hs-varid'>makeLightVar</span> <span class='hs-varid'>glGetLightfvn</span> <span class='hs-varid'>glLightfvn</span> <span class='hs-conid'>SpotDirection</span> <span class='hs-layout'>(</span><span class='hs-conid'>Normal3</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <a name="line-301"></a> <a name="line-302"></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'>"glLightfv"</span> <span class='hs-varid'>glLightfvn</span> <span class='hs-keyglyph'>::</span> <a name="line-303"></a> <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'>Normal3</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-304"></a> <a name="line-305"></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'>"glGetLightfv"</span> <span class='hs-varid'>glGetLightfvn</span> <span class='hs-keyglyph'>::</span> <a name="line-306"></a> <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'>Normal3</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-307"></a> <a name="line-308"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-309"></a> <a name="line-310"></a><a name="spotExponent"></a><span class='hs-definition'>spotExponent</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-311"></a><span class='hs-definition'>spotExponent</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeLightVar</span> <span class='hs-varid'>glGetLightfv</span> <span class='hs-varid'>glLightfv</span> <span class='hs-conid'>SpotExponent</span> <span class='hs-num'>0</span> <a name="line-312"></a> <a name="line-313"></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'>"glLightfv"</span> <span class='hs-varid'>glLightfv</span> <span class='hs-keyglyph'>::</span> <a name="line-314"></a> <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-315"></a> <a name="line-316"></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'>"glGetLightfv"</span> <span class='hs-varid'>glGetLightfv</span> <span class='hs-keyglyph'>::</span> <a name="line-317"></a> <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-318"></a> <a name="line-319"></a><a name="maxSpotExponent"></a><span class='hs-definition'>maxSpotExponent</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-320"></a><span class='hs-definition'>maxSpotExponent</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getFloat1</span> <span class='hs-varid'>id</span> <span class='hs-conid'>GetMaxSpotExponent</span> <a name="line-321"></a> <a name="line-322"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-323"></a> <a name="line-324"></a><a name="spotCutoff"></a><span class='hs-definition'>spotCutoff</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-325"></a><span class='hs-definition'>spotCutoff</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeLightVar</span> <span class='hs-varid'>glGetLightfv</span> <span class='hs-varid'>glLightfv</span> <span class='hs-conid'>SpotCutoff</span> <span class='hs-num'>0</span> <a name="line-326"></a> <a name="line-327"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-328"></a> <a name="line-329"></a><a name="attenuation"></a><span class='hs-definition'>attenuation</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLfloat</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-330"></a><span class='hs-definition'>attenuation</span> <span class='hs-varid'>theLight</span> <span class='hs-keyglyph'>=</span> <a name="line-331"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-332"></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'>get</span> <span class='hs-layout'>(</span><span class='hs-varid'>constantAttenuation</span> <span class='hs-varid'>theLight</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-333"></a> <span class='hs-layout'>(</span><span class='hs-varid'>get</span> <span class='hs-layout'>(</span><span class='hs-varid'>linearAttenuation</span> <span class='hs-varid'>theLight</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-334"></a> <span class='hs-layout'>(</span><span class='hs-varid'>get</span> <span class='hs-layout'>(</span><span class='hs-varid'>quadraticAttenuation</span> <span class='hs-varid'>theLight</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-335"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>constant</span><span class='hs-layout'>,</span> <span class='hs-varid'>linear</span><span class='hs-layout'>,</span> <span class='hs-varid'>quadratic</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <a name="line-336"></a> <span class='hs-varid'>constantAttenuation</span> <span class='hs-varid'>theLight</span> <span class='hs-varop'>$=</span> <span class='hs-varid'>constant</span> <a name="line-337"></a> <span class='hs-varid'>linearAttenuation</span> <span class='hs-varid'>theLight</span> <span class='hs-varop'>$=</span> <span class='hs-varid'>linear</span> <a name="line-338"></a> <span class='hs-varid'>quadraticAttenuation</span> <span class='hs-varid'>theLight</span> <span class='hs-varop'>$=</span> <span class='hs-varid'>quadratic</span><span class='hs-layout'>)</span> <a name="line-339"></a> <a name="line-340"></a><a name="constantAttenuation"></a><span class='hs-definition'>constantAttenuation</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-341"></a><span class='hs-definition'>constantAttenuation</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeLightVar</span> <span class='hs-varid'>glGetLightfv</span> <span class='hs-varid'>glLightfv</span> <span class='hs-conid'>ConstantAttenuation</span> <span class='hs-num'>0</span> <a name="line-342"></a> <a name="line-343"></a><a name="linearAttenuation"></a><span class='hs-definition'>linearAttenuation</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-344"></a><span class='hs-definition'>linearAttenuation</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeLightVar</span> <span class='hs-varid'>glGetLightfv</span> <span class='hs-varid'>glLightfv</span> <span class='hs-conid'>LinearAttenuation</span> <span class='hs-num'>0</span> <a name="line-345"></a> <a name="line-346"></a><a name="quadraticAttenuation"></a><span class='hs-definition'>quadraticAttenuation</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Light</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-347"></a><span class='hs-definition'>quadraticAttenuation</span> <span class='hs-keyglyph'>=</span> <a name="line-348"></a> <span class='hs-varid'>makeLightVar</span> <span class='hs-varid'>glGetLightfv</span> <span class='hs-varid'>glLightfv</span> <span class='hs-conid'>QuadraticAttenuation</span> <span class='hs-num'>0</span> <a name="line-349"></a> <a name="line-350"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-351"></a> <a name="line-352"></a><a name="LightModelParameter"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>LightModelParameter</span> <span class='hs-keyglyph'>=</span> <a name="line-353"></a> <span class='hs-conid'>LightModelAmbient</span> <a name="line-354"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>LightModelLocalViewer</span> <a name="line-355"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>LightModelTwoSide</span> <a name="line-356"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>LightModelColorControl</span> <a name="line-357"></a> <a name="line-358"></a><a name="marshalLightModelParameter"></a><span class='hs-definition'>marshalLightModelParameter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>LightModelParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-359"></a><span class='hs-definition'>marshalLightModelParameter</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-360"></a> <span class='hs-conid'>LightModelAmbient</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xb53</span> <a name="line-361"></a> <span class='hs-conid'>LightModelLocalViewer</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xb51</span> <a name="line-362"></a> <span class='hs-conid'>LightModelTwoSide</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xb52</span> <a name="line-363"></a> <span class='hs-conid'>LightModelColorControl</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x81f8</span> <a name="line-364"></a> <a name="line-365"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-366"></a> <a name="line-367"></a><a name="lightModelAmbient"></a><span class='hs-definition'>lightModelAmbient</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-368"></a><span class='hs-definition'>lightModelAmbient</span> <span class='hs-keyglyph'>=</span> <a name="line-369"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-370"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getFloat4</span> <span class='hs-conid'>Color4</span> <span class='hs-conid'>GetLightModelAmbient</span><span class='hs-layout'>)</span> <a name="line-371"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>with</span> <span class='hs-varid'>c</span> <span class='hs-varop'>$</span> <a name="line-372"></a> <span class='hs-varid'>glLightModelfv</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalLightModelParameter</span> <span class='hs-conid'>LightModelAmbient</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-373"></a> <a name="line-374"></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'>"glLightModelfv"</span> <span class='hs-varid'>glLightModelfv</span> <span class='hs-keyglyph'>::</span> <a name="line-375"></a> <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-376"></a> <a name="line-377"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-378"></a> <a name="line-379"></a><a name="lightModelLocalViewer"></a><span class='hs-definition'>lightModelLocalViewer</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'>lightModelLocalViewer</span> <span class='hs-keyglyph'>=</span> <a name="line-381"></a> <span class='hs-varid'>makeLightModelCapVar</span> <span class='hs-conid'>GetLightModelLocalViewer</span> <span class='hs-conid'>LightModelLocalViewer</span> <a name="line-382"></a> <a name="line-383"></a><a name="makeLightModelCapVar"></a><span class='hs-definition'>makeLightModelCapVar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetPName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>LightModelParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-384"></a><span class='hs-definition'>makeLightModelCapVar</span> <span class='hs-varid'>pname</span> <span class='hs-varid'>lightModelParameter</span> <span class='hs-keyglyph'>=</span> <a name="line-385"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-386"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getBoolean1</span> <span class='hs-varid'>unmarshalCapability</span> <span class='hs-varid'>pname</span><span class='hs-layout'>)</span> <a name="line-387"></a> <span class='hs-layout'>(</span><span class='hs-varid'>glLightModeli</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalLightModelParameter</span> <span class='hs-varid'>lightModelParameter</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <a name="line-388"></a> <span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalCapability</span><span class='hs-layout'>)</span> <a name="line-389"></a> <a name="line-390"></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'>"glLightModeli"</span> <span class='hs-varid'>glLightModeli</span> <span class='hs-keyglyph'>::</span> <a name="line-391"></a> <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-392"></a> <a name="line-393"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-394"></a> <a name="line-395"></a><a name="lightModelTwoSide"></a><span class='hs-definition'>lightModelTwoSide</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-396"></a><span class='hs-definition'>lightModelTwoSide</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeLightModelCapVar</span> <span class='hs-conid'>GetLightModelTwoSide</span> <span class='hs-conid'>LightModelTwoSide</span> <a name="line-397"></a> <a name="line-398"></a><a name="vertexProgramTwoSide"></a><span class='hs-definition'>vertexProgramTwoSide</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-399"></a><span class='hs-definition'>vertexProgramTwoSide</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapVertexProgramTwoSide</span> <a name="line-400"></a> <a name="line-401"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-402"></a> <a name="line-403"></a><a name="LightModelColorControl"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>LightModelColorControl</span> <span class='hs-keyglyph'>=</span> <a name="line-404"></a> <span class='hs-conid'>SingleColor</span> <a name="line-405"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SeparateSpecularColor</span> <a name="line-406"></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-407"></a> <a name="line-408"></a><a name="marshalLightModelColorControl"></a><span class='hs-definition'>marshalLightModelColorControl</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>LightModelColorControl</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-409"></a><span class='hs-definition'>marshalLightModelColorControl</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-410"></a> <span class='hs-conid'>SingleColor</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x81f9</span> <a name="line-411"></a> <span class='hs-conid'>SeparateSpecularColor</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x81fa</span> <a name="line-412"></a> <a name="line-413"></a><a name="unmarshalLightModelColorControl"></a><span class='hs-definition'>unmarshalLightModelColorControl</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>LightModelColorControl</span> <a name="line-414"></a><span class='hs-definition'>unmarshalLightModelColorControl</span> <span class='hs-varid'>x</span> <a name="line-415"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x81f9</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SingleColor</span> <a name="line-416"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x81fa</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SeparateSpecularColor</span> <a name="line-417"></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'>"unmarshalLightModelColorControl: 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-418"></a> <a name="line-419"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-420"></a> <a name="line-421"></a><a name="lightModelColorControl"></a><span class='hs-definition'>lightModelColorControl</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>LightModelColorControl</span> <a name="line-422"></a><span class='hs-definition'>lightModelColorControl</span> <span class='hs-keyglyph'>=</span> <a name="line-423"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-424"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalLightModelColorControl</span> <span class='hs-conid'>GetLightModelColorControl</span><span class='hs-layout'>)</span> <a name="line-425"></a> <span class='hs-layout'>(</span><span class='hs-varid'>glLightModeli</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalLightModelParameter</span> <span class='hs-conid'>LightModelColorControl</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <a name="line-426"></a> <span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalLightModelColorControl</span><span class='hs-layout'>)</span> <a name="line-427"></a> <a name="line-428"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-429"></a> <a name="line-430"></a><a name="ColorMaterialParameter"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ColorMaterialParameter</span> <span class='hs-keyglyph'>=</span> <a name="line-431"></a> <span class='hs-conid'>Ambient</span> <a name="line-432"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Diffuse</span> <a name="line-433"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Specular</span> <a name="line-434"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Emission</span> <a name="line-435"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AmbientAndDiffuse</span> <a name="line-436"></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-437"></a> <a name="line-438"></a><a name="marshalColorMaterialParameter"></a><span class='hs-definition'>marshalColorMaterialParameter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorMaterialParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-439"></a><span class='hs-definition'>marshalColorMaterialParameter</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-440"></a> <span class='hs-conid'>Ambient</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1200</span> <a name="line-441"></a> <span class='hs-conid'>Diffuse</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1201</span> <a name="line-442"></a> <span class='hs-conid'>Specular</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1202</span> <a name="line-443"></a> <span class='hs-conid'>Emission</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1600</span> <a name="line-444"></a> <span class='hs-conid'>AmbientAndDiffuse</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1602</span> <a name="line-445"></a> <a name="line-446"></a><a name="unmarshalColorMaterialParameter"></a><span class='hs-definition'>unmarshalColorMaterialParameter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ColorMaterialParameter</span> <a name="line-447"></a><span class='hs-definition'>unmarshalColorMaterialParameter</span> <span class='hs-varid'>x</span> <a name="line-448"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1200</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Ambient</span> <a name="line-449"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1201</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Diffuse</span> <a name="line-450"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1202</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Specular</span> <a name="line-451"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1600</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Emission</span> <a name="line-452"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1602</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>AmbientAndDiffuse</span> <a name="line-453"></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'>"unmarshalColorMaterialParameter: 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-454"></a> <a name="line-455"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-456"></a> <a name="line-457"></a><a name="colorMaterial"></a><span class='hs-definition'>colorMaterial</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'>Face</span><span class='hs-layout'>,</span> <span class='hs-conid'>ColorMaterialParameter</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-458"></a><span class='hs-definition'>colorMaterial</span> <span class='hs-keyglyph'>=</span> <a name="line-459"></a> <span class='hs-varid'>makeStateVarMaybe</span> <a name="line-460"></a> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>CapColorMaterial</span><span class='hs-layout'>)</span> <a name="line-461"></a> <span class='hs-layout'>(</span><span class='hs-varid'>liftM2</span> <a name="line-462"></a> <span class='hs-conid'>(,)</span> <a name="line-463"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalFace</span> <span class='hs-conid'>GetColorMaterialFace</span><span class='hs-layout'>)</span> <a name="line-464"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalColorMaterialParameter</span> <span class='hs-conid'>GetColorMaterialParameter</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-465"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>face</span><span class='hs-layout'>,</span> <span class='hs-varid'>param</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>glColorMaterial</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-466"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalColorMaterialParameter</span> <span class='hs-varid'>param</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-467"></a> <a name="line-468"></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'>"glColorMaterial"</span> <span class='hs-varid'>glColorMaterial</span> <span class='hs-keyglyph'>::</span> <a name="line-469"></a> <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'>IO</span> <span class='hs-conid'>()</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="ShadingModel"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ShadingModel</span> <span class='hs-keyglyph'>=</span> <a name="line-474"></a> <span class='hs-conid'>Flat</span> <a name="line-475"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Smooth</span> <a name="line-476"></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-477"></a> <a name="line-478"></a><a name="marshalShadingModel"></a><span class='hs-definition'>marshalShadingModel</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShadingModel</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-479"></a><span class='hs-definition'>marshalShadingModel</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-480"></a> <span class='hs-conid'>Flat</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1d00</span> <a name="line-481"></a> <span class='hs-conid'>Smooth</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1d01</span> <a name="line-482"></a> <a name="line-483"></a><a name="unmarshalShadingModel"></a><span class='hs-definition'>unmarshalShadingModel</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShadingModel</span> <a name="line-484"></a><span class='hs-definition'>unmarshalShadingModel</span> <span class='hs-varid'>x</span> <a name="line-485"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1d00</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Flat</span> <a name="line-486"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1d01</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Smooth</span> <a name="line-487"></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'>"unmarshalShadingModel: 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-488"></a> <a name="line-489"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-490"></a> <a name="line-491"></a><a name="shadeModel"></a><span class='hs-definition'>shadeModel</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>ShadingModel</span> <a name="line-492"></a><span class='hs-definition'>shadeModel</span> <span class='hs-keyglyph'>=</span> <a name="line-493"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-494"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalShadingModel</span> <span class='hs-conid'>GetShadeModel</span><span class='hs-layout'>)</span> <a name="line-495"></a> <span class='hs-layout'>(</span><span class='hs-varid'>glShadeModel</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalShadingModel</span><span class='hs-layout'>)</span> <a name="line-496"></a> <a name="line-497"></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'>"glShadeModel"</span> <span class='hs-varid'>glShadeModel</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> </pre></body> </html>
