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<pre><a name="line-1"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-2"></a><span class='hs-comment'>-- |</span>
<a name="line-3"></a><span class='hs-comment'>-- Module : Graphics.Rendering.OpenGL.GL.CoordTrans</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 2.11 (Coordinate Transformations) 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'>CoordTrans</span> <span class='hs-layout'>(</span>
<a name="line-17"></a> <span class='hs-comment'>-- * Controlling the Viewport</span>
<a name="line-18"></a> <span class='hs-varid'>depthRange</span><span class='hs-layout'>,</span>
<a name="line-19"></a> <span class='hs-conid'>Position</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Size</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>viewport</span><span class='hs-layout'>,</span> <span class='hs-varid'>maxViewportDims</span><span class='hs-layout'>,</span>
<a name="line-20"></a>
<a name="line-21"></a> <span class='hs-comment'>-- * Matrices</span>
<a name="line-22"></a> <span class='hs-conid'>MatrixMode</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'>matrixMode</span><span class='hs-layout'>,</span>
<a name="line-23"></a> <span class='hs-conid'>Vector1</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'>Vector2</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'>Vector3</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'>Vector4</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-24"></a> <span class='hs-conid'>MatrixOrder</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'>MatrixComponent</span><span class='hs-layout'>(</span><span class='hs-varid'>rotate</span><span class='hs-layout'>,</span><span class='hs-varid'>translate</span><span class='hs-layout'>,</span><span class='hs-varid'>scale</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Matrix</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-25"></a> <span class='hs-varid'>currentMatrix</span><span class='hs-layout'>,</span> <span class='hs-varid'>matrix</span><span class='hs-layout'>,</span> <span class='hs-varid'>multMatrix</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLmatrix</span><span class='hs-layout'>,</span> <span class='hs-varid'>loadIdentity</span><span class='hs-layout'>,</span>
<a name="line-26"></a> <span class='hs-varid'>ortho</span><span class='hs-layout'>,</span> <span class='hs-varid'>frustum</span><span class='hs-layout'>,</span> <span class='hs-varid'>depthClamp</span><span class='hs-layout'>,</span>
<a name="line-27"></a> <span class='hs-varid'>activeTexture</span><span class='hs-layout'>,</span>
<a name="line-28"></a> <span class='hs-varid'>preservingMatrix</span><span class='hs-layout'>,</span> <span class='hs-varid'>unsafePreservingMatrix</span><span class='hs-layout'>,</span>
<a name="line-29"></a> <span class='hs-varid'>stackDepth</span><span class='hs-layout'>,</span> <span class='hs-varid'>maxStackDepth</span><span class='hs-layout'>,</span>
<a name="line-30"></a>
<a name="line-31"></a> <span class='hs-comment'>-- * Normal Transformation</span>
<a name="line-32"></a> <span class='hs-varid'>rescaleNormal</span><span class='hs-layout'>,</span> <span class='hs-varid'>normalize</span><span class='hs-layout'>,</span>
<a name="line-33"></a>
<a name="line-34"></a> <span class='hs-comment'>-- * Generating Texture Coordinates</span>
<a name="line-35"></a> <span class='hs-conid'>Plane</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'>TextureCoordName</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'>TextureGenMode</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'>textureGenMode</span>
<a name="line-36"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-37"></a>
<a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>ForeignPtr</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ForeignPtr</span><span class='hs-layout'>,</span> <span class='hs-varid'>mallocForeignPtrArray</span><span class='hs-layout'>,</span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-layout'>)</span>
<a name="line-39"></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-40"></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'>peekArray</span><span class='hs-layout'>,</span> <span class='hs-varid'>pokeArray</span><span class='hs-layout'>,</span> <span class='hs-varid'>withArray</span> <span class='hs-layout'>)</span>
<a name="line-41"></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-42"></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> <span class='hs-varid'>castPtr</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'>Storable</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Storable</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-44"></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-45"></a> <span class='hs-conid'>EnableCap</span><span class='hs-layout'>(</span><span class='hs-conid'>CapRescaleNormal</span><span class='hs-layout'>,</span> <span class='hs-conid'>CapNormalize</span><span class='hs-layout'>,</span><span class='hs-conid'>CapDepthClamp</span><span class='hs-layout'>,</span>
<a name="line-46"></a> <span class='hs-conid'>CapTextureGenS</span><span class='hs-layout'>,</span> <span class='hs-conid'>CapTextureGenT</span><span class='hs-layout'>,</span>
<a name="line-47"></a> <span class='hs-conid'>CapTextureGenR</span><span class='hs-layout'>,</span> <span class='hs-conid'>CapTextureGenQ</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-48"></a> <span class='hs-varid'>makeCapability</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeStateVarMaybe</span> <span class='hs-layout'>)</span>
<a name="line-49"></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-50"></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'>GLdouble</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLclampd</span><span class='hs-layout'>,</span> <span class='hs-conid'>Capability</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-51"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span> <span class='hs-layout'>(</span> <span class='hs-varid'>bracket</span><span class='hs-layout'>,</span> <span class='hs-varid'>unsafeBracket_</span> <span class='hs-layout'>)</span>
<a name="line-52"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Extensions</span> <span class='hs-layout'>(</span>
<a name="line-53"></a> <span class='hs-conid'>FunPtr</span><span class='hs-layout'>,</span> <span class='hs-varid'>unsafePerformIO</span><span class='hs-layout'>,</span> <span class='hs-conid'>Invoker</span><span class='hs-layout'>,</span> <span class='hs-varid'>getProcAddress</span> <span class='hs-layout'>)</span>
<a name="line-54"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>PeekPoke</span> <span class='hs-layout'>(</span> <span class='hs-varid'>peek1</span><span class='hs-layout'>,</span> <span class='hs-varid'>peek4</span><span class='hs-layout'>,</span> <span class='hs-varid'>poke4</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'>QueryUtils</span> <span class='hs-layout'>(</span>
<a name="line-56"></a> <span class='hs-conid'>GetPName</span><span class='hs-layout'>(</span><span class='hs-conid'>GetDepthRange</span><span class='hs-layout'>,</span><span class='hs-conid'>GetViewport</span><span class='hs-layout'>,</span><span class='hs-conid'>GetMaxViewportDims</span><span class='hs-layout'>,</span><span class='hs-conid'>GetMatrixMode</span><span class='hs-layout'>,</span>
<a name="line-57"></a> <span class='hs-conid'>GetModelviewMatrix</span><span class='hs-layout'>,</span><span class='hs-conid'>GetProjectionMatrix</span><span class='hs-layout'>,</span>
<a name="line-58"></a> <span class='hs-conid'>GetTextureMatrix</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetColorMatrix</span><span class='hs-layout'>,</span><span class='hs-conid'>GetMatrixPalette</span><span class='hs-layout'>,</span><span class='hs-conid'>GetActiveTexture</span><span class='hs-layout'>,</span>
<a name="line-59"></a> <span class='hs-conid'>GetCurrentMatrixStackDepth</span><span class='hs-layout'>,</span><span class='hs-conid'>GetModelviewStackDepth</span><span class='hs-layout'>,</span>
<a name="line-60"></a> <span class='hs-conid'>GetMaxModelviewStackDepth</span><span class='hs-layout'>,</span><span class='hs-conid'>GetProjectionStackDepth</span><span class='hs-layout'>,</span>
<a name="line-61"></a> <span class='hs-conid'>GetMaxProjectionStackDepth</span><span class='hs-layout'>,</span><span class='hs-conid'>GetTextureStackDepth</span><span class='hs-layout'>,</span>
<a name="line-62"></a> <span class='hs-conid'>GetMaxTextureStackDepth</span><span class='hs-layout'>,</span><span class='hs-conid'>GetColorMatrixStackDepth</span><span class='hs-layout'>,</span>
<a name="line-63"></a> <span class='hs-conid'>GetMaxColorMatrixStackDepth</span><span class='hs-layout'>,</span><span class='hs-conid'>GetMaxMatrixPaletteStackDepth</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-64"></a> <span class='hs-varid'>getInteger2</span><span class='hs-layout'>,</span> <span class='hs-varid'>getInteger4</span><span class='hs-layout'>,</span> <span class='hs-varid'>getEnum1</span><span class='hs-layout'>,</span> <span class='hs-varid'>getSizei1</span><span class='hs-layout'>,</span> <span class='hs-varid'>getFloatv</span><span class='hs-layout'>,</span>
<a name="line-65"></a> <span class='hs-varid'>getDouble2</span><span class='hs-layout'>,</span> <span class='hs-varid'>getDoublev</span><span class='hs-layout'>,</span> <span class='hs-varid'>modelviewIndexToEnum</span><span class='hs-layout'>,</span> <span class='hs-varid'>modelviewEnumToIndex</span> <span class='hs-layout'>)</span>
<a name="line-66"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>StateVar</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'>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-68"></a> <span class='hs-conid'>StateVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>)</span>
<a name="line-69"></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'>Tensor</span> <span class='hs-layout'>(</span>
<a name="line-70"></a> <span class='hs-conid'>Vector1</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'>Vector2</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'>Vector3</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'>Vector4</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-71"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Texturing</span><span class='hs-varop'>.</span><span class='hs-conid'>TextureUnit</span> <span class='hs-layout'>(</span>
<a name="line-72"></a> <span class='hs-varid'>marshalTextureUnit</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmarshalTextureUnit</span> <span class='hs-layout'>)</span>
<a name="line-73"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>VertexSpec</span> <span class='hs-layout'>(</span> <span class='hs-conid'>TextureUnit</span> <span class='hs-layout'>)</span>
<a name="line-74"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GLU</span><span class='hs-varop'>.</span><span class='hs-conid'>ErrorsInternal</span> <span class='hs-layout'>(</span>
<a name="line-75"></a> <span class='hs-varid'>recordInvalidEnum</span><span class='hs-layout'>,</span> <span class='hs-varid'>recordInvalidValue</span> <span class='hs-layout'>)</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><span class='hs-cpp'>#include "HsOpenGLExt.h"</span>
<a name="line-80"></a><span class='hs-cpp'>#include "HsOpenGLTypes.h"</span>
<a name="line-81"></a>
<a name="line-82"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-83"></a>
<a name="line-84"></a><span class='hs-comment'>-- | After clipping and division by /w/, depth coordinates range from -1 to 1,</span>
<a name="line-85"></a><span class='hs-comment'>-- corresponding to the near and far clipping planes. 'depthRange' specifies a</span>
<a name="line-86"></a><span class='hs-comment'>-- linear mapping of the normalized depth coordinates in this range to window</span>
<a name="line-87"></a><span class='hs-comment'>-- depth coordinates. Regardless of the actual depth buffer implementation,</span>
<a name="line-88"></a><span class='hs-comment'>-- window coordinate depth values are treated as though they range from 0</span>
<a name="line-89"></a><span class='hs-comment'>-- through 1 (like color components). Thus, the values accepted by 'depthRange'</span>
<a name="line-90"></a><span class='hs-comment'>-- are both clamped to this range before they are accepted.</span>
<a name="line-91"></a><span class='hs-comment'>--</span>
<a name="line-92"></a><span class='hs-comment'>-- The initial setting of (0, 1) maps the near plane to 0 and the far plane to</span>
<a name="line-93"></a><span class='hs-comment'>-- 1. With this mapping, the depth buffer range is fully utilized.</span>
<a name="line-94"></a><span class='hs-comment'>--</span>
<a name="line-95"></a><span class='hs-comment'>-- It is not necessary that the near value be less than the far value. Reverse</span>
<a name="line-96"></a><span class='hs-comment'>-- mappings such as (1, 0) are acceptable.</span>
<a name="line-97"></a>
<a name="line-98"></a><a name="depthRange"></a><span class='hs-definition'>depthRange</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLclampd</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLclampd</span><span class='hs-layout'>)</span>
<a name="line-99"></a><span class='hs-definition'>depthRange</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>getDouble2</span> <span class='hs-conid'>(,)</span> <span class='hs-conid'>GetDepthRange</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>uncurry</span> <span class='hs-varid'>glDepthRange</span><span class='hs-layout'>)</span>
<a name="line-100"></a>
<a name="line-101"></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'>"glDepthRange"</span> <span class='hs-varid'>glDepthRange</span> <span class='hs-keyglyph'>::</span>
<a name="line-102"></a> <span class='hs-conid'>GLclampd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLclampd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-103"></a>
<a name="line-104"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-105"></a>
<a name="line-106"></a><a name="Position"></a><span class='hs-comment'>-- | A 2-dimensional position, measured in pixels.</span>
<a name="line-107"></a><a name="Position"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Position</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Position</span> <span class='hs-varop'>!</span><span class='hs-conid'>GLint</span> <span class='hs-varop'>!</span><span class='hs-conid'>GLint</span>
<a name="line-108"></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-109"></a>
<a name="line-110"></a><a name="Size"></a><span class='hs-comment'>-- | A 2-dimensional size, measured in pixels.</span>
<a name="line-111"></a><a name="Size"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Size</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Size</span> <span class='hs-varop'>!</span><span class='hs-conid'>GLsizei</span> <span class='hs-varop'>!</span><span class='hs-conid'>GLsizei</span>
<a name="line-112"></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-113"></a>
<a name="line-114"></a><span class='hs-comment'>-- | Controls the affine transformation from normalized device coordinates to</span>
<a name="line-115"></a><span class='hs-comment'>-- window coordinates. The viewport state variable consists of the coordinates</span>
<a name="line-116"></a><span class='hs-comment'>-- (/x/, /y/) of the lower left corner of the viewport rectangle, (in pixels,</span>
<a name="line-117"></a><span class='hs-comment'>-- initial value (0,0)), and the size (/width/, /height/) of the viewport. When</span>
<a name="line-118"></a><span class='hs-comment'>-- a GL context is first attached to a window, /width/ and /height/ are set to</span>
<a name="line-119"></a><span class='hs-comment'>-- the dimensions of that window.</span>
<a name="line-120"></a><span class='hs-comment'>--</span>
<a name="line-121"></a><span class='hs-comment'>-- Let (/xnd/, /ynd/) be normalized device coordinates. Then the window</span>
<a name="line-122"></a><span class='hs-comment'>-- coordinates (/xw/, /yw/) are computed as follows:</span>
<a name="line-123"></a><span class='hs-comment'>--</span>
<a name="line-124"></a><span class='hs-comment'>-- /xw/ = (/xnd/ + 1) (/width/ \/ 2) + /x/</span>
<a name="line-125"></a><span class='hs-comment'>--</span>
<a name="line-126"></a><span class='hs-comment'>-- /yw/ = (/ynd/ + 1) (/heigth/ \/ 2) + /y/</span>
<a name="line-127"></a><span class='hs-comment'>--</span>
<a name="line-128"></a><span class='hs-comment'>-- Viewport width and height are silently clamped to a range that depends on the</span>
<a name="line-129"></a><span class='hs-comment'>-- implementation, see 'maxViewportDims'.</span>
<a name="line-130"></a>
<a name="line-131"></a><a name="viewport"></a><span class='hs-definition'>viewport</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Position</span><span class='hs-layout'>,</span> <span class='hs-conid'>Size</span><span class='hs-layout'>)</span>
<a name="line-132"></a><span class='hs-definition'>viewport</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>getInteger4</span> <span class='hs-varid'>makeVp</span> <span class='hs-conid'>GetViewport</span><span class='hs-layout'>)</span>
<a name="line-133"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>Position</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>,</span> <span class='hs-conid'>Size</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>glViewport</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span>
<a name="line-134"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>makeVp</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>Position</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>,</span> <span class='hs-conid'>Size</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-135"></a>
<a name="line-136"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-conid'>CALLCONV</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"glViewport"</span> <span class='hs-varid'>glViewport</span> <span class='hs-keyglyph'>::</span>
<a name="line-137"></a> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-138"></a>
<a name="line-139"></a><span class='hs-comment'>-- | The implementation-dependent maximum viewport width and height.</span>
<a name="line-140"></a>
<a name="line-141"></a><a name="maxViewportDims"></a><span class='hs-definition'>maxViewportDims</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>Size</span>
<a name="line-142"></a><span class='hs-definition'>maxViewportDims</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>getInteger2</span> <span class='hs-conid'>Size</span> <span class='hs-conid'>GetMaxViewportDims</span><span class='hs-layout'>)</span>
<a name="line-143"></a>
<a name="line-144"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-145"></a>
<a name="line-146"></a><span class='hs-comment'>-- | A matrix stack.</span>
<a name="line-147"></a>
<a name="line-148"></a><a name="MatrixMode"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>MatrixMode</span> <span class='hs-keyglyph'>=</span>
<a name="line-149"></a> <span class='hs-conid'>Modelview</span> <span class='hs-conid'>GLsizei</span> <span class='hs-comment'>-- ^ The modelview matrix stack of the specified vertex unit.</span>
<a name="line-150"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Projection</span> <span class='hs-comment'>-- ^ The projection matrix stack.</span>
<a name="line-151"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Texture</span> <span class='hs-comment'>-- ^ The texture matrix stack.</span>
<a name="line-152"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Color</span> <span class='hs-comment'>-- ^ The color matrix stack.</span>
<a name="line-153"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MatrixPalette</span> <span class='hs-comment'>-- ^ The matrix palette stack.</span>
<a name="line-154"></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-155"></a>
<a name="line-156"></a><a name="marshalMatrixMode"></a><span class='hs-definition'>marshalMatrixMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MatrixMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>GLenum</span>
<a name="line-157"></a><span class='hs-definition'>marshalMatrixMode</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-158"></a> <span class='hs-conid'>Modelview</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>modelviewIndexToEnum</span> <span class='hs-varid'>i</span>
<a name="line-159"></a> <span class='hs-conid'>Projection</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-num'>0x1701</span>
<a name="line-160"></a> <span class='hs-conid'>Texture</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-num'>0x1702</span>
<a name="line-161"></a> <span class='hs-conid'>Color</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-num'>0x1800</span>
<a name="line-162"></a> <span class='hs-conid'>MatrixPalette</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-num'>0x8840</span>
<a name="line-163"></a>
<a name="line-164"></a><a name="unmarshalMatrixMode"></a><span class='hs-definition'>unmarshalMatrixMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MatrixMode</span>
<a name="line-165"></a><span class='hs-definition'>unmarshalMatrixMode</span> <span class='hs-varid'>x</span>
<a name="line-166"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1701</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Projection</span>
<a name="line-167"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1702</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Texture</span>
<a name="line-168"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1800</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Color</span>
<a name="line-169"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8840</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>MatrixPalette</span>
<a name="line-170"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span>
<a name="line-171"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>modelviewEnumToIndex</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-172"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Modelview</span> <span class='hs-varid'>i</span>
<a name="line-173"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>error</span> <span class='hs-layout'>(</span><span class='hs-str'>"unmarshalMatrixMode: 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-174"></a>
<a name="line-175"></a><a name="matrixModeToGetMatrix"></a><span class='hs-definition'>matrixModeToGetMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MatrixMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetPName</span>
<a name="line-176"></a><span class='hs-definition'>matrixModeToGetMatrix</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-177"></a> <span class='hs-conid'>Modelview</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetModelviewMatrix</span> <span class='hs-comment'>-- ???</span>
<a name="line-178"></a> <span class='hs-conid'>Projection</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetProjectionMatrix</span>
<a name="line-179"></a> <span class='hs-conid'>Texture</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetTextureMatrix</span>
<a name="line-180"></a> <span class='hs-conid'>Color</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetColorMatrix</span>
<a name="line-181"></a> <span class='hs-conid'>MatrixPalette</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetMatrixPalette</span>
<a name="line-182"></a>
<a name="line-183"></a><a name="matrixModeToGetStackDepth"></a><span class='hs-definition'>matrixModeToGetStackDepth</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MatrixMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetPName</span>
<a name="line-184"></a><span class='hs-definition'>matrixModeToGetStackDepth</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-185"></a> <span class='hs-conid'>Modelview</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetModelviewStackDepth</span>
<a name="line-186"></a> <span class='hs-conid'>Projection</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetProjectionStackDepth</span>
<a name="line-187"></a> <span class='hs-conid'>Texture</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetTextureStackDepth</span>
<a name="line-188"></a> <span class='hs-conid'>Color</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetColorMatrixStackDepth</span>
<a name="line-189"></a> <span class='hs-conid'>MatrixPalette</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>error</span> <span class='hs-str'>"matrixModeToGetStackDepth: impossible"</span>
<a name="line-190"></a>
<a name="line-191"></a><a name="matrixModeToGetMaxStackDepth"></a><span class='hs-definition'>matrixModeToGetMaxStackDepth</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MatrixMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetPName</span>
<a name="line-192"></a><span class='hs-definition'>matrixModeToGetMaxStackDepth</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-193"></a> <span class='hs-conid'>Modelview</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetMaxModelviewStackDepth</span>
<a name="line-194"></a> <span class='hs-conid'>Projection</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetMaxProjectionStackDepth</span>
<a name="line-195"></a> <span class='hs-conid'>Texture</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetMaxTextureStackDepth</span>
<a name="line-196"></a> <span class='hs-conid'>Color</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetMaxColorMatrixStackDepth</span>
<a name="line-197"></a> <span class='hs-conid'>MatrixPalette</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetMaxMatrixPaletteStackDepth</span>
<a name="line-198"></a>
<a name="line-199"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-200"></a>
<a name="line-201"></a><span class='hs-comment'>-- | Controls which matrix stack is the target for subsequent matrix operations.</span>
<a name="line-202"></a><span class='hs-comment'>-- The initial value is ('Modelview' 0).</span>
<a name="line-203"></a>
<a name="line-204"></a><a name="matrixMode"></a><span class='hs-definition'>matrixMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>MatrixMode</span>
<a name="line-205"></a><span class='hs-definition'>matrixMode</span> <span class='hs-keyglyph'>=</span>
<a name="line-206"></a> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalMatrixMode</span> <span class='hs-conid'>GetMatrixMode</span><span class='hs-layout'>)</span>
<a name="line-207"></a> <span class='hs-layout'>(</span><span class='hs-varid'>maybe</span> <span class='hs-varid'>recordInvalidValue</span> <span class='hs-varid'>glMatrixMode</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalMatrixMode</span><span class='hs-layout'>)</span>
<a name="line-208"></a>
<a name="line-209"></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'>"glMatrixMode"</span> <span class='hs-varid'>glMatrixMode</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-210"></a>
<a name="line-211"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-212"></a>
<a name="line-213"></a><a name="MatrixOrder"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>MatrixOrder</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ColumnMajor</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RowMajor</span>
<a name="line-214"></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-215"></a>
<a name="line-216"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-217"></a>
<a name="line-218"></a><a name="MatrixComponent"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>Storable</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>MatrixComponent</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>where</span>
<a name="line-219"></a> <span class='hs-varid'>getMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetPName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-220"></a> <span class='hs-varid'>loadMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-221"></a> <span class='hs-varid'>loadTransposeMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-222"></a> <span class='hs-varid'>multMatrix_</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-223"></a> <span class='hs-varid'>multTransposeMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-224"></a> <span class='hs-varid'>rotate</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Vector3</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-225"></a> <span class='hs-varid'>translate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Vector3</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-226"></a> <span class='hs-varid'>scale</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-227"></a>
<a name="line-228"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>MatrixComponent</span> <span class='hs-conid'>GLfloat_</span> <span class='hs-keyword'>where</span>
<a name="line-229"></a> <span class='hs-varid'>getMatrix</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getFloatv</span>
<a name="line-230"></a> <span class='hs-varid'>loadMatrix</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glLoadMatrixf</span>
<a name="line-231"></a> <span class='hs-varid'>loadTransposeMatrix</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glLoadTransposeMatrixfARB</span>
<a name="line-232"></a> <span class='hs-varid'>multMatrix_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glMultMatrixf</span>
<a name="line-233"></a> <span class='hs-varid'>multTransposeMatrix</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glMultTransposeMatrixfARB</span>
<a name="line-234"></a> <span class='hs-varid'>rotate</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-conid'>Vector3</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>z</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glRotatef</span> <span class='hs-varid'>a</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>z</span>
<a name="line-235"></a> <span class='hs-varid'>translate</span> <span class='hs-layout'>(</span><span class='hs-conid'>Vector3</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>z</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glTranslatef</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>z</span>
<a name="line-236"></a> <span class='hs-varid'>scale</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glScalef</span>
<a name="line-237"></a>
<a name="line-238"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>MatrixComponent</span> <span class='hs-conid'>GLdouble_</span> <span class='hs-keyword'>where</span>
<a name="line-239"></a> <span class='hs-varid'>getMatrix</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getDoublev</span>
<a name="line-240"></a> <span class='hs-varid'>loadMatrix</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glLoadMatrixd</span>
<a name="line-241"></a> <span class='hs-varid'>loadTransposeMatrix</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glLoadTransposeMatrixdARB</span>
<a name="line-242"></a> <span class='hs-varid'>multMatrix_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glMultMatrixd</span>
<a name="line-243"></a> <span class='hs-varid'>multTransposeMatrix</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glMultTransposeMatrixdARB</span>
<a name="line-244"></a> <span class='hs-varid'>rotate</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-conid'>Vector3</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>z</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glRotated</span> <span class='hs-varid'>a</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>z</span>
<a name="line-245"></a> <span class='hs-varid'>translate</span> <span class='hs-layout'>(</span><span class='hs-conid'>Vector3</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>z</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glTranslated</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>z</span>
<a name="line-246"></a> <span class='hs-varid'>scale</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glScaled</span>
<a name="line-247"></a>
<a name="line-248"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-249"></a>
<a name="line-250"></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'>"glLoadMatrixf"</span> <span class='hs-varid'>glLoadMatrixf</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-251"></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'>"glLoadMatrixd"</span> <span class='hs-varid'>glLoadMatrixd</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-252"></a>
<a name="line-253"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_transpose_matrix or OpenGL 1.3"</span><span class='hs-layout'>,</span><span class='hs-varid'>glLoadTransposeMatrixfARB</span><span class='hs-layout'>,</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><span class='hs-layout'>)</span>
<a name="line-254"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_transpose_matrix or OpenGL 1.3"</span><span class='hs-layout'>,</span><span class='hs-varid'>glLoadTransposeMatrixdARB</span><span class='hs-layout'>,</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLdouble</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-255"></a>
<a name="line-256"></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'>"glMultMatrixf"</span> <span class='hs-varid'>glMultMatrixf</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-257"></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'>"glMultMatrixd"</span> <span class='hs-varid'>glMultMatrixd</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-258"></a>
<a name="line-259"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_transpose_matrix or OpenGL 1.3"</span><span class='hs-layout'>,</span><span class='hs-varid'>glMultTransposeMatrixfARB</span><span class='hs-layout'>,</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><span class='hs-layout'>)</span>
<a name="line-260"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_transpose_matrix or OpenGL 1.3"</span><span class='hs-layout'>,</span><span class='hs-varid'>glMultTransposeMatrixdARB</span><span class='hs-layout'>,</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLdouble</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-261"></a>
<a name="line-262"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-conid'>CALLCONV</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"glRotatef"</span> <span class='hs-varid'>glRotatef</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-263"></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'>"glRotated"</span> <span class='hs-varid'>glRotated</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-264"></a>
<a name="line-265"></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'>"glTranslatef"</span> <span class='hs-varid'>glTranslatef</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-266"></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'>"glTranslated"</span> <span class='hs-varid'>glTranslated</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-267"></a>
<a name="line-268"></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'>"glScalef"</span> <span class='hs-varid'>glScalef</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-269"></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'>"glScaled"</span> <span class='hs-varid'>glScaled</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-270"></a>
<a name="line-271"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-272"></a>
<a name="line-273"></a><a name="MatrixOrder"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>Matrix</span> <span class='hs-varid'>m</span> <span class='hs-keyword'>where</span>
<a name="line-274"></a> <span class='hs-comment'>-- | Create a new matrix of the given order (containing undefined elements)</span>
<a name="line-275"></a> <span class='hs-comment'>-- and call the action to fill it with 4x4 elements.</span>
<a name="line-276"></a> <span class='hs-varid'>withNewMatrix</span> <span class='hs-keyglyph'>::</span>
<a name="line-277"></a> <span class='hs-conid'>MatrixComponent</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>MatrixOrder</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-varid'>m</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-278"></a>
<a name="line-279"></a> <span class='hs-comment'>-- | Call the action with the given matrix. /Note:/ The action is /not/</span>
<a name="line-280"></a> <span class='hs-comment'>-- allowed to modify the matrix elements!</span>
<a name="line-281"></a> <span class='hs-varid'>withMatrix</span> <span class='hs-keyglyph'>::</span>
<a name="line-282"></a> <span class='hs-conid'>MatrixComponent</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>m</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>MatrixOrder</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-283"></a>
<a name="line-284"></a> <span class='hs-varid'>newMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MatrixComponent</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>MatrixOrder</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-varid'>m</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-285"></a> <span class='hs-varid'>getMatrixComponents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MatrixComponent</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>MatrixOrder</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span>
<a name="line-286"></a>
<a name="line-287"></a> <span class='hs-varid'>withNewMatrix</span> <span class='hs-varid'>order</span> <span class='hs-varid'>act</span> <span class='hs-keyglyph'>=</span>
<a name="line-288"></a> <span class='hs-varid'>allocaArray</span> <span class='hs-num'>16</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-289"></a> <span class='hs-varid'>act</span> <span class='hs-varid'>p</span>
<a name="line-290"></a> <span class='hs-varid'>components</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>peekArray</span> <span class='hs-num'>16</span> <span class='hs-varid'>p</span>
<a name="line-291"></a> <span class='hs-varid'>newMatrix</span> <span class='hs-varid'>order</span> <span class='hs-varid'>components</span>
<a name="line-292"></a>
<a name="line-293"></a> <span class='hs-varid'>withMatrix</span> <span class='hs-varid'>mat</span> <span class='hs-varid'>act</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-294"></a> <span class='hs-varid'>components</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getMatrixComponents</span> <span class='hs-conid'>ColumnMajor</span> <span class='hs-varid'>mat</span>
<a name="line-295"></a> <span class='hs-varid'>withArray</span> <span class='hs-varid'>components</span> <span class='hs-varop'>$</span> <span class='hs-varid'>act</span> <span class='hs-conid'>ColumnMajor</span>
<a name="line-296"></a>
<a name="line-297"></a> <span class='hs-varid'>newMatrix</span> <span class='hs-varid'>order</span> <span class='hs-varid'>components</span> <span class='hs-keyglyph'>=</span>
<a name="line-298"></a> <span class='hs-varid'>withNewMatrix</span> <span class='hs-varid'>order</span> <span class='hs-varop'>$</span> <span class='hs-varid'>flip</span> <span class='hs-varid'>pokeArray</span> <span class='hs-layout'>(</span><span class='hs-varid'>take</span> <span class='hs-num'>16</span> <span class='hs-varid'>components</span><span class='hs-layout'>)</span>
<a name="line-299"></a>
<a name="line-300"></a> <span class='hs-varid'>getMatrixComponents</span> <span class='hs-varid'>desiredOrder</span> <span class='hs-varid'>mat</span> <span class='hs-keyglyph'>=</span>
<a name="line-301"></a> <span class='hs-varid'>withMatrix</span> <span class='hs-varid'>mat</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>order</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span>
<a name="line-302"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>desiredOrder</span> <span class='hs-varop'>==</span> <span class='hs-varid'>order</span>
<a name="line-303"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>peekArray</span> <span class='hs-num'>16</span> <span class='hs-varid'>p</span>
<a name="line-304"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>peekElemOff</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>4</span><span class='hs-layout'>,</span> <span class='hs-num'>8</span><span class='hs-layout'>,</span> <span class='hs-num'>12</span><span class='hs-layout'>,</span>
<a name="line-305"></a> <span class='hs-num'>1</span><span class='hs-layout'>,</span> <span class='hs-num'>5</span><span class='hs-layout'>,</span> <span class='hs-num'>9</span><span class='hs-layout'>,</span> <span class='hs-num'>13</span><span class='hs-layout'>,</span>
<a name="line-306"></a> <span class='hs-num'>2</span><span class='hs-layout'>,</span> <span class='hs-num'>6</span><span class='hs-layout'>,</span> <span class='hs-num'>10</span><span class='hs-layout'>,</span> <span class='hs-num'>14</span><span class='hs-layout'>,</span>
<a name="line-307"></a> <span class='hs-num'>3</span><span class='hs-layout'>,</span> <span class='hs-num'>7</span><span class='hs-layout'>,</span> <span class='hs-num'>11</span><span class='hs-layout'>,</span> <span class='hs-num'>15</span> <span class='hs-keyglyph'>]</span>
<a name="line-308"></a>
<a name="line-309"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-310"></a>
<a name="line-311"></a><a name="currentMatrix"></a><span class='hs-comment'>{-# DEPRECATED currentMatrix "use `matrix' instead" #-}</span>
<a name="line-312"></a><span class='hs-definition'>currentMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Matrix</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>MatrixComponent</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>m</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-313"></a><span class='hs-definition'>currentMatrix</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>matrix</span> <span class='hs-conid'>Nothing</span>
<a name="line-314"></a>
<a name="line-315"></a><a name="matrix"></a><span class='hs-definition'>matrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Matrix</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>MatrixComponent</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>MatrixMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>m</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-316"></a><span class='hs-definition'>matrix</span> <span class='hs-varid'>maybeMode</span> <span class='hs-keyglyph'>=</span>
<a name="line-317"></a> <span class='hs-varid'>makeStateVar</span>
<a name="line-318"></a> <span class='hs-layout'>(</span><span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>get</span> <span class='hs-varid'>matrixMode</span><span class='hs-layout'>)</span> <span class='hs-varid'>return</span> <span class='hs-varid'>maybeMode</span> <span class='hs-varop'>>>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>getMatrix'</span> <span class='hs-varop'>.</span> <span class='hs-varid'>matrixModeToGetMatrix</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-319"></a> <span class='hs-layout'>(</span><span class='hs-varid'>maybe</span> <span class='hs-varid'>id</span> <span class='hs-varid'>withMatrixMode</span> <span class='hs-varid'>maybeMode</span> <span class='hs-varop'>.</span> <span class='hs-varid'>setMatrix</span><span class='hs-layout'>)</span>
<a name="line-320"></a>
<a name="line-321"></a><a name="withMatrixMode"></a><span class='hs-definition'>withMatrixMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MatrixMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-322"></a><span class='hs-definition'>withMatrixMode</span> <span class='hs-varid'>mode</span> <span class='hs-varid'>act</span> <span class='hs-keyglyph'>=</span>
<a name="line-323"></a> <span class='hs-varid'>preservingMatrixMode</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-324"></a> <span class='hs-varid'>matrixMode</span> <span class='hs-varop'>$=</span> <span class='hs-varid'>mode</span>
<a name="line-325"></a> <span class='hs-varid'>act</span>
<a name="line-326"></a>
<a name="line-327"></a><a name="getMatrix'"></a><span class='hs-definition'>getMatrix'</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Matrix</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>MatrixComponent</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>GetPName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-varid'>m</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-328"></a><span class='hs-definition'>getMatrix'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withNewMatrix</span> <span class='hs-conid'>ColumnMajor</span> <span class='hs-varop'>.</span> <span class='hs-varid'>getMatrix</span>
<a name="line-329"></a>
<a name="line-330"></a><a name="setMatrix"></a><span class='hs-definition'>setMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Matrix</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>MatrixComponent</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>m</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-331"></a><span class='hs-definition'>setMatrix</span> <span class='hs-varid'>mat</span> <span class='hs-keyglyph'>=</span>
<a name="line-332"></a> <span class='hs-varid'>withMatrix</span> <span class='hs-varid'>mat</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>order</span> <span class='hs-keyglyph'>-></span>
<a name="line-333"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>order</span> <span class='hs-keyword'>of</span>
<a name="line-334"></a> <span class='hs-conid'>ColumnMajor</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>loadMatrix</span>
<a name="line-335"></a> <span class='hs-conid'>RowMajor</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>loadTransposeMatrix</span>
<a name="line-336"></a>
<a name="line-337"></a><a name="multMatrix"></a><span class='hs-definition'>multMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Matrix</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>MatrixComponent</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>m</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-338"></a><span class='hs-definition'>multMatrix</span> <span class='hs-varid'>mat</span> <span class='hs-keyglyph'>=</span>
<a name="line-339"></a> <span class='hs-varid'>withMatrix</span> <span class='hs-varid'>mat</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>order</span> <span class='hs-keyglyph'>-></span>
<a name="line-340"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>order</span> <span class='hs-keyword'>of</span>
<a name="line-341"></a> <span class='hs-conid'>ColumnMajor</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>multMatrix_</span>
<a name="line-342"></a> <span class='hs-conid'>RowMajor</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>multTransposeMatrix</span>
<a name="line-343"></a>
<a name="line-344"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-345"></a>
<a name="line-346"></a><a name="GLmatrix"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>GLmatrix</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>GLmatrix</span> <span class='hs-conid'>MatrixOrder</span> <span class='hs-layout'>(</span><span class='hs-conid'>ForeignPtr</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-347"></a><span class='hs-cpp'>#ifdef __HADDOCK__</span>
<a name="line-348"></a><span class='hs-comment'>-- Help Haddock a bit, because it doesn't do any instance inference.</span>
<a name="line-349"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Eq</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLmatrix</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-350"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Ord</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLmatrix</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-351"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLmatrix</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-352"></a><span class='hs-cpp'>#else</span>
<a name="line-353"></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-354"></a><span class='hs-cpp'>#endif</span>
<a name="line-355"></a>
<a name="line-356"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Matrix</span> <span class='hs-conid'>GLmatrix</span> <span class='hs-keyword'>where</span>
<a name="line-357"></a> <span class='hs-varid'>withNewMatrix</span> <span class='hs-varid'>order</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-358"></a> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mallocForeignPtrArray</span> <span class='hs-num'>16</span>
<a name="line-359"></a> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>fp</span> <span class='hs-varid'>f</span>
<a name="line-360"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>GLmatrix</span> <span class='hs-varid'>order</span> <span class='hs-varid'>fp</span>
<a name="line-361"></a>
<a name="line-362"></a> <span class='hs-varid'>withMatrix</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLmatrix</span> <span class='hs-varid'>order</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>fp</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>order</span><span class='hs-layout'>)</span>
<a name="line-363"></a>
<a name="line-364"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-365"></a>
<a name="line-366"></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'>"glLoadIdentity"</span> <span class='hs-varid'>loadIdentity</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-367"></a>
<a name="line-368"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-369"></a>
<a name="line-370"></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'>"glOrtho"</span> <span class='hs-varid'>ortho</span> <span class='hs-keyglyph'>::</span>
<a name="line-371"></a> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-372"></a>
<a name="line-373"></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'>"glFrustum"</span> <span class='hs-varid'>frustum</span> <span class='hs-keyglyph'>::</span>
<a name="line-374"></a> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-375"></a>
<a name="line-376"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-377"></a>
<a name="line-378"></a><a name="depthClamp"></a><span class='hs-definition'>depthClamp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span>
<a name="line-379"></a><span class='hs-definition'>depthClamp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapDepthClamp</span>
<a name="line-380"></a>
<a name="line-381"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-382"></a>
<a name="line-383"></a><a name="activeTexture"></a><span class='hs-definition'>activeTexture</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>TextureUnit</span>
<a name="line-384"></a><span class='hs-definition'>activeTexture</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalTextureUnit</span> <span class='hs-conid'>GetActiveTexture</span><span class='hs-layout'>)</span>
<a name="line-385"></a> <span class='hs-layout'>(</span><span class='hs-varid'>glActiveTextureARB</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalTextureUnit</span><span class='hs-layout'>)</span>
<a name="line-386"></a>
<a name="line-387"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_multitexture or OpenGL 1.3"</span><span class='hs-layout'>,</span><span class='hs-varid'>glActiveTextureARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</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-388"></a>
<a name="line-389"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-390"></a>
<a name="line-391"></a><span class='hs-comment'>-- | Push the current matrix stack down by one, duplicating the current matrix,</span>
<a name="line-392"></a><span class='hs-comment'>-- excute the given action, and pop the current matrix stack, replacing the</span>
<a name="line-393"></a><span class='hs-comment'>-- current matrix with the one below it on the stack (i.e. restoring it to its</span>
<a name="line-394"></a><span class='hs-comment'>-- previous state). The returned value is that of the given action. Note that</span>
<a name="line-395"></a><span class='hs-comment'>-- a round-trip to the server is probably required. For a more efficient</span>
<a name="line-396"></a><span class='hs-comment'>-- version, see 'unsafePreservingMatrix'.</span>
<a name="line-397"></a>
<a name="line-398"></a><a name="preservingMatrix"></a><span class='hs-definition'>preservingMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-399"></a><span class='hs-definition'>preservingMatrix</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafePreservingMatrix</span> <span class='hs-varop'>.</span> <span class='hs-varid'>preservingMatrixMode</span>
<a name="line-400"></a>
<a name="line-401"></a><a name="preservingMatrixMode"></a><span class='hs-comment'>-- performance paranoia: No (un-)marshaling by avoiding matrixMode</span>
<a name="line-402"></a><span class='hs-definition'>preservingMatrixMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-403"></a><span class='hs-definition'>preservingMatrixMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bracket</span> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>id</span> <span class='hs-conid'>GetMatrixMode</span><span class='hs-layout'>)</span> <span class='hs-varid'>glMatrixMode</span> <span class='hs-varop'>.</span> <span class='hs-varid'>const</span>
<a name="line-404"></a>
<a name="line-405"></a><span class='hs-comment'>-- | A more efficient, but potentially dangerous version of 'preservingMatrix':</span>
<a name="line-406"></a><span class='hs-comment'>-- The given action is not allowed to throw an exception or change the</span>
<a name="line-407"></a><span class='hs-comment'>-- current matrix mode permanently.</span>
<a name="line-408"></a>
<a name="line-409"></a><a name="unsafePreservingMatrix"></a><span class='hs-definition'>unsafePreservingMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-410"></a><span class='hs-definition'>unsafePreservingMatrix</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeBracket_</span> <span class='hs-varid'>glPushMatrix</span> <span class='hs-varid'>glPopMatrix</span>
<a name="line-411"></a>
<a name="line-412"></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'>"glPushMatrix"</span> <span class='hs-varid'>glPushMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-413"></a>
<a name="line-414"></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'>"glPopMatrix"</span> <span class='hs-varid'>glPopMatrix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-415"></a>
<a name="line-416"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-417"></a>
<a name="line-418"></a><a name="stackDepth"></a><span class='hs-definition'>stackDepth</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>MatrixMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>GLsizei</span>
<a name="line-419"></a><span class='hs-definition'>stackDepth</span> <span class='hs-varid'>maybeMode</span> <span class='hs-keyglyph'>=</span>
<a name="line-420"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span>
<a name="line-421"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>maybeMode</span> <span class='hs-keyword'>of</span>
<a name="line-422"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>getSizei1</span> <span class='hs-varid'>id</span> <span class='hs-conid'>GetCurrentMatrixStackDepth</span> <span class='hs-comment'>-- only with ARB_fragment_program</span>
<a name="line-423"></a> <span class='hs-conid'>Just</span> <span class='hs-conid'>MatrixPalette</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>recordInvalidEnum</span> <span class='hs-layout'>;</span> <span class='hs-varid'>return</span> <span class='hs-num'>0</span>
<a name="line-424"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>mode</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>getSizei1</span> <span class='hs-varid'>id</span> <span class='hs-layout'>(</span><span class='hs-varid'>matrixModeToGetStackDepth</span> <span class='hs-varid'>mode</span><span class='hs-layout'>)</span>
<a name="line-425"></a>
<a name="line-426"></a><a name="maxStackDepth"></a><span class='hs-definition'>maxStackDepth</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MatrixMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>GLsizei</span>
<a name="line-427"></a><span class='hs-definition'>maxStackDepth</span> <span class='hs-keyglyph'>=</span>
<a name="line-428"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>.</span> <span class='hs-varid'>getSizei1</span> <span class='hs-varid'>id</span> <span class='hs-varop'>.</span> <span class='hs-varid'>matrixModeToGetMaxStackDepth</span>
<a name="line-429"></a>
<a name="line-430"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-431"></a>
<a name="line-432"></a><span class='hs-comment'>-- | If 'rescaleNormal' contains 'Enabled', normal vectors specified with</span>
<a name="line-433"></a><span class='hs-comment'>-- 'Graphics.Rendering.OpenGL.GL.VertexSpec.normal' are scaled by a scaling</span>
<a name="line-434"></a><span class='hs-comment'>-- factor derived from the modelview matrix. 'rescaleNormal' requires that the</span>
<a name="line-435"></a><span class='hs-comment'>-- originally specified normals were of unit length, and that the modelview</span>
<a name="line-436"></a><span class='hs-comment'>-- matrix contains only uniform scales for proper results. The initial value of</span>
<a name="line-437"></a><span class='hs-comment'>-- 'rescaleNormal' is 'Disabled'.</span>
<a name="line-438"></a>
<a name="line-439"></a><a name="rescaleNormal"></a><span class='hs-definition'>rescaleNormal</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span>
<a name="line-440"></a><span class='hs-definition'>rescaleNormal</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapRescaleNormal</span>
<a name="line-441"></a>
<a name="line-442"></a><span class='hs-comment'>-- | If 'normalize' contains 'Enabled', normal vectors specified with</span>
<a name="line-443"></a><span class='hs-comment'>-- 'Graphics.Rendering.OpenGL.GL.VertexSpec.normal' are scaled to unit length</span>
<a name="line-444"></a><span class='hs-comment'>-- after transformation. The initial value of 'normalize' is 'Disabled'.</span>
<a name="line-445"></a>
<a name="line-446"></a><a name="normalize"></a><span class='hs-definition'>normalize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span>
<a name="line-447"></a><span class='hs-definition'>normalize</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapNormalize</span>
<a name="line-448"></a>
<a name="line-449"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-450"></a>
<a name="line-451"></a><a name="Plane"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Plane</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Plane</span> <span class='hs-varop'>!</span><span class='hs-varid'>a</span> <span class='hs-varop'>!</span><span class='hs-varid'>a</span> <span class='hs-varop'>!</span><span class='hs-varid'>a</span> <span class='hs-varop'>!</span><span class='hs-varid'>a</span>
<a name="line-452"></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-453"></a>
<a name="line-454"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Storable</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Storable</span> <span class='hs-layout'>(</span><span class='hs-conid'>Plane</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-455"></a> <span class='hs-varid'>sizeOf</span> <span class='hs-keyglyph'>~</span><span class='hs-layout'>(</span><span class='hs-conid'>Plane</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>4</span> <span class='hs-varop'>*</span> <span class='hs-varid'>sizeOf</span> <span class='hs-varid'>a</span>
<a name="line-456"></a> <span class='hs-varid'>alignment</span> <span class='hs-keyglyph'>~</span><span class='hs-layout'>(</span><span class='hs-conid'>Plane</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>alignment</span> <span class='hs-varid'>a</span>
<a name="line-457"></a> <span class='hs-varid'>peek</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>peek4</span> <span class='hs-conid'>Plane</span> <span class='hs-varop'>.</span> <span class='hs-varid'>castPtr</span>
<a name="line-458"></a> <span class='hs-varid'>poke</span> <span class='hs-varid'>ptr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Plane</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>poke4</span> <span class='hs-layout'>(</span><span class='hs-varid'>castPtr</span> <span class='hs-varid'>ptr</span><span class='hs-layout'>)</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span>
<a name="line-459"></a>
<a name="line-460"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-461"></a>
<a name="line-462"></a><a name="TextureCoordName"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TextureCoordName</span> <span class='hs-keyglyph'>=</span>
<a name="line-463"></a> <span class='hs-conid'>S</span>
<a name="line-464"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>T</span>
<a name="line-465"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>R</span>
<a name="line-466"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Q</span>
<a name="line-467"></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-468"></a>
<a name="line-469"></a><a name="marshalTextureCoordName"></a><span class='hs-definition'>marshalTextureCoordName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureCoordName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span>
<a name="line-470"></a><span class='hs-definition'>marshalTextureCoordName</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-471"></a> <span class='hs-conid'>S</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2000</span>
<a name="line-472"></a> <span class='hs-conid'>T</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2001</span>
<a name="line-473"></a> <span class='hs-conid'>R</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2002</span>
<a name="line-474"></a> <span class='hs-conid'>Q</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2003</span>
<a name="line-475"></a>
<a name="line-476"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-477"></a>
<a name="line-478"></a><a name="TextureGenParameter"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TextureGenParameter</span> <span class='hs-keyglyph'>=</span>
<a name="line-479"></a> <span class='hs-conid'>TextureGenMode</span>
<a name="line-480"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ObjectPlane</span>
<a name="line-481"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>EyePlane</span>
<a name="line-482"></a>
<a name="line-483"></a><a name="marshalTextureGenParameter"></a><span class='hs-definition'>marshalTextureGenParameter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureGenParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span>
<a name="line-484"></a><span class='hs-definition'>marshalTextureGenParameter</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-485"></a> <span class='hs-conid'>TextureGenMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2500</span>
<a name="line-486"></a> <span class='hs-conid'>ObjectPlane</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2501</span>
<a name="line-487"></a> <span class='hs-conid'>EyePlane</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2502</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="TextureGenMode'"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TextureGenMode'</span> <span class='hs-keyglyph'>=</span>
<a name="line-492"></a> <span class='hs-conid'>EyeLinear'</span>
<a name="line-493"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ObjectLinear'</span>
<a name="line-494"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SphereMap'</span>
<a name="line-495"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NormalMap'</span>
<a name="line-496"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ReflectionMap'</span>
<a name="line-497"></a>
<a name="line-498"></a><a name="marshalTextureGenMode'"></a><span class='hs-definition'>marshalTextureGenMode'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureGenMode'</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span>
<a name="line-499"></a><span class='hs-definition'>marshalTextureGenMode'</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-500"></a> <span class='hs-conid'>EyeLinear'</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2400</span>
<a name="line-501"></a> <span class='hs-conid'>ObjectLinear'</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2401</span>
<a name="line-502"></a> <span class='hs-conid'>SphereMap'</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2402</span>
<a name="line-503"></a> <span class='hs-conid'>NormalMap'</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8511</span>
<a name="line-504"></a> <span class='hs-conid'>ReflectionMap'</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8512</span>
<a name="line-505"></a>
<a name="line-506"></a><a name="unmarshalTextureGenMode'"></a><span class='hs-definition'>unmarshalTextureGenMode'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureGenMode'</span>
<a name="line-507"></a><span class='hs-definition'>unmarshalTextureGenMode'</span> <span class='hs-varid'>x</span>
<a name="line-508"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x2400</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EyeLinear'</span>
<a name="line-509"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x2401</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ObjectLinear'</span>
<a name="line-510"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x2402</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SphereMap'</span>
<a name="line-511"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8511</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NormalMap'</span>
<a name="line-512"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8512</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ReflectionMap'</span>
<a name="line-513"></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'>"unmarshalTextureGenMode': 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-514"></a>
<a name="line-515"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-516"></a>
<a name="line-517"></a><a name="TextureGenMode"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TextureGenMode</span> <span class='hs-keyglyph'>=</span>
<a name="line-518"></a> <span class='hs-conid'>EyeLinear</span> <span class='hs-layout'>(</span><span class='hs-conid'>Plane</span> <span class='hs-conid'>GLdouble</span><span class='hs-layout'>)</span>
<a name="line-519"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ObjectLinear</span> <span class='hs-layout'>(</span><span class='hs-conid'>Plane</span> <span class='hs-conid'>GLdouble</span><span class='hs-layout'>)</span>
<a name="line-520"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SphereMap</span>
<a name="line-521"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NormalMap</span>
<a name="line-522"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ReflectionMap</span>
<a name="line-523"></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-524"></a>
<a name="line-525"></a><a name="marshalTextureGenMode"></a><span class='hs-definition'>marshalTextureGenMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureGenMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span>
<a name="line-526"></a><span class='hs-definition'>marshalTextureGenMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>marshalTextureGenMode'</span> <span class='hs-varop'>.</span> <span class='hs-varid'>convertMode</span>
<a name="line-527"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>convertMode</span> <span class='hs-layout'>(</span><span class='hs-conid'>EyeLinear</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EyeLinear'</span>
<a name="line-528"></a> <span class='hs-varid'>convertMode</span> <span class='hs-layout'>(</span><span class='hs-conid'>ObjectLinear</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ObjectLinear'</span>
<a name="line-529"></a> <span class='hs-varid'>convertMode</span> <span class='hs-conid'>SphereMap</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SphereMap'</span>
<a name="line-530"></a> <span class='hs-varid'>convertMode</span> <span class='hs-conid'>NormalMap</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NormalMap'</span>
<a name="line-531"></a> <span class='hs-varid'>convertMode</span> <span class='hs-conid'>ReflectionMap</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ReflectionMap'</span>
<a name="line-532"></a>
<a name="line-533"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-534"></a>
<a name="line-535"></a><a name="textureGenMode"></a><span class='hs-definition'>textureGenMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureCoordName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>TextureGenMode</span><span class='hs-layout'>)</span>
<a name="line-536"></a><span class='hs-definition'>textureGenMode</span> <span class='hs-varid'>coord</span> <span class='hs-keyglyph'>=</span>
<a name="line-537"></a> <span class='hs-varid'>makeStateVarMaybe</span>
<a name="line-538"></a> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>textureCoordNameToEnableCap</span> <span class='hs-varid'>coord</span><span class='hs-layout'>)</span>
<a name="line-539"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span> <span class='hs-varid'>mode</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getMode</span> <span class='hs-varid'>coord</span>
<a name="line-540"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mode</span> <span class='hs-keyword'>of</span>
<a name="line-541"></a> <span class='hs-conid'>EyeLinear'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fmap</span> <span class='hs-conid'>EyeLinear</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getPlane</span> <span class='hs-varid'>coord</span> <span class='hs-conid'>EyePlane</span>
<a name="line-542"></a> <span class='hs-conid'>ObjectLinear'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fmap</span> <span class='hs-conid'>ObjectLinear</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getPlane</span> <span class='hs-varid'>coord</span> <span class='hs-conid'>ObjectPlane</span>
<a name="line-543"></a> <span class='hs-conid'>SphereMap'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>SphereMap</span>
<a name="line-544"></a> <span class='hs-conid'>NormalMap'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>NormalMap</span>
<a name="line-545"></a> <span class='hs-conid'>ReflectionMap'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>ReflectionMap</span><span class='hs-layout'>)</span>
<a name="line-546"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>mode</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-547"></a> <span class='hs-varid'>setMode</span> <span class='hs-varid'>coord</span> <span class='hs-varid'>mode</span>
<a name="line-548"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mode</span> <span class='hs-keyword'>of</span>
<a name="line-549"></a> <span class='hs-conid'>EyeLinear</span> <span class='hs-varid'>plane</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>setPlane</span> <span class='hs-varid'>coord</span> <span class='hs-conid'>EyePlane</span> <span class='hs-varid'>plane</span>
<a name="line-550"></a> <span class='hs-conid'>ObjectLinear</span> <span class='hs-varid'>plane</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>setPlane</span> <span class='hs-varid'>coord</span> <span class='hs-conid'>ObjectPlane</span> <span class='hs-varid'>plane</span>
<a name="line-551"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-552"></a>
<a name="line-553"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-554"></a>
<a name="line-555"></a><a name="textureCoordNameToEnableCap"></a><span class='hs-definition'>textureCoordNameToEnableCap</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureCoordName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>EnableCap</span>
<a name="line-556"></a><span class='hs-definition'>textureCoordNameToEnableCap</span> <span class='hs-varid'>coord</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>coord</span> <span class='hs-keyword'>of</span>
<a name="line-557"></a> <span class='hs-conid'>S</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CapTextureGenS</span>
<a name="line-558"></a> <span class='hs-conid'>T</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CapTextureGenT</span>
<a name="line-559"></a> <span class='hs-conid'>R</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CapTextureGenR</span>
<a name="line-560"></a> <span class='hs-conid'>Q</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CapTextureGenQ</span>
<a name="line-561"></a>
<a name="line-562"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-563"></a>
<a name="line-564"></a><a name="getMode"></a><span class='hs-definition'>getMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureCoordName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>TextureGenMode'</span>
<a name="line-565"></a><span class='hs-definition'>getMode</span> <span class='hs-varid'>coord</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>
<a name="line-566"></a> <span class='hs-varid'>glGetTexGeniv</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureCoordName</span> <span class='hs-varid'>coord</span><span class='hs-layout'>)</span>
<a name="line-567"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureGenParameter</span> <span class='hs-conid'>TextureGenMode</span><span class='hs-layout'>)</span>
<a name="line-568"></a> <span class='hs-varid'>buf</span>
<a name="line-569"></a> <span class='hs-varid'>peek1</span> <span class='hs-varid'>unmarshalTextureGenMode'</span> <span class='hs-varid'>buf</span>
<a name="line-570"></a>
<a name="line-571"></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'>"glGetTexGeniv"</span> <span class='hs-varid'>glGetTexGeniv</span> <span class='hs-keyglyph'>::</span>
<a name="line-572"></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-573"></a>
<a name="line-574"></a><a name="setMode"></a><span class='hs-definition'>setMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureCoordName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureGenMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-575"></a><span class='hs-definition'>setMode</span> <span class='hs-varid'>coord</span> <span class='hs-varid'>mode</span> <span class='hs-keyglyph'>=</span>
<a name="line-576"></a> <span class='hs-varid'>glTexGeni</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureCoordName</span> <span class='hs-varid'>coord</span><span class='hs-layout'>)</span>
<a name="line-577"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureGenParameter</span> <span class='hs-conid'>TextureGenMode</span><span class='hs-layout'>)</span>
<a name="line-578"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureGenMode</span> <span class='hs-varid'>mode</span><span class='hs-layout'>)</span>
<a name="line-579"></a>
<a name="line-580"></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'>"glTexGeni"</span> <span class='hs-varid'>glTexGeni</span> <span class='hs-keyglyph'>::</span>
<a name="line-581"></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'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-582"></a>
<a name="line-583"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-584"></a>
<a name="line-585"></a><a name="getPlane"></a><span class='hs-definition'>getPlane</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureCoordName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureGenParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Plane</span> <span class='hs-conid'>GLdouble</span><span class='hs-layout'>)</span>
<a name="line-586"></a><span class='hs-definition'>getPlane</span> <span class='hs-varid'>coord</span> <span class='hs-varid'>param</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'>planeBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-587"></a> <span class='hs-varid'>glGetTexGendv</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureCoordName</span> <span class='hs-varid'>coord</span><span class='hs-layout'>)</span>
<a name="line-588"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureGenParameter</span> <span class='hs-varid'>param</span><span class='hs-layout'>)</span>
<a name="line-589"></a> <span class='hs-varid'>planeBuffer</span>
<a name="line-590"></a> <span class='hs-varid'>peek</span> <span class='hs-varid'>planeBuffer</span>
<a name="line-591"></a>
<a name="line-592"></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'>"glGetTexGendv"</span> <span class='hs-varid'>glGetTexGendv</span> <span class='hs-keyglyph'>::</span>
<a name="line-593"></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'>Plane</span> <span class='hs-conid'>GLdouble</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-594"></a>
<a name="line-595"></a><a name="setPlane"></a><span class='hs-definition'>setPlane</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureCoordName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureGenParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Plane</span> <span class='hs-conid'>GLdouble</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-596"></a><span class='hs-definition'>setPlane</span> <span class='hs-varid'>coord</span> <span class='hs-varid'>param</span> <span class='hs-varid'>plane</span> <span class='hs-keyglyph'>=</span>
<a name="line-597"></a> <span class='hs-varid'>with</span> <span class='hs-varid'>plane</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>planeBuffer</span> <span class='hs-keyglyph'>-></span>
<a name="line-598"></a> <span class='hs-varid'>glTexGendv</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureCoordName</span> <span class='hs-varid'>coord</span><span class='hs-layout'>)</span>
<a name="line-599"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureGenParameter</span> <span class='hs-varid'>param</span><span class='hs-layout'>)</span>
<a name="line-600"></a> <span class='hs-varid'>planeBuffer</span>
<a name="line-601"></a>
<a name="line-602"></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'>"glTexGendv"</span> <span class='hs-varid'>glTexGendv</span> <span class='hs-keyglyph'>::</span>
<a name="line-603"></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'>Plane</span> <span class='hs-conid'>GLdouble</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
</pre></body>
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