<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ --> <title>Graphics/Rendering/OpenGL/GL/PixelRectangles/PixelTransfer.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-2"></a><span class='hs-comment'>-- |</span> <a name="line-3"></a><span class='hs-comment'>-- Module : Graphics.Rendering.OpenGL.GL.PixelRectangles.PixelTransfer</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 a part of section 3.6.1 (Pixel Storage Modes) of</span> <a name="line-12"></a><span class='hs-comment'>-- the OpenGL 2.1 specs.</span> <a name="line-13"></a><span class='hs-comment'>--</span> <a name="line-14"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-15"></a> <a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>PixelRectangles</span><span class='hs-varop'>.</span><span class='hs-conid'>PixelTransfer</span> <span class='hs-layout'>(</span> <a name="line-17"></a> <span class='hs-conid'>PixelTransferStage</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-18"></a> <span class='hs-varid'>mapColor</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapStencil</span><span class='hs-layout'>,</span> <span class='hs-varid'>indexShift</span><span class='hs-layout'>,</span> <span class='hs-varid'>indexOffset</span><span class='hs-layout'>,</span> <span class='hs-varid'>depthScale</span><span class='hs-layout'>,</span> <span class='hs-varid'>depthBias</span><span class='hs-layout'>,</span> <a name="line-19"></a> <span class='hs-varid'>rgbaScale</span><span class='hs-layout'>,</span> <span class='hs-varid'>rgbaBias</span> <a name="line-20"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-21"></a> <a name="line-22"></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-23"></a> <span class='hs-varid'>marshalCapability</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmarshalCapability</span> <span class='hs-layout'>)</span> <a name="line-24"></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-25"></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'>GLfloat</span><span class='hs-layout'>,</span> <span class='hs-conid'>Capability</span> <span class='hs-layout'>)</span> <a name="line-26"></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-27"></a> <span class='hs-conid'>GetPName</span><span class='hs-layout'>(</span><span class='hs-conid'>GetMapColor</span><span class='hs-layout'>,</span><span class='hs-conid'>GetMapStencil</span><span class='hs-layout'>,</span><span class='hs-conid'>GetIndexShift</span><span class='hs-layout'>,</span><span class='hs-conid'>GetIndexOffset</span><span class='hs-layout'>,</span> <a name="line-28"></a> <span class='hs-conid'>GetRedScale</span><span class='hs-layout'>,</span><span class='hs-conid'>GetGreenScale</span><span class='hs-layout'>,</span><span class='hs-conid'>GetBlueScale</span><span class='hs-layout'>,</span><span class='hs-conid'>GetAlphaScale</span><span class='hs-layout'>,</span><span class='hs-conid'>GetDepthScale</span><span class='hs-layout'>,</span> <a name="line-29"></a> <span class='hs-conid'>GetRedBias</span><span class='hs-layout'>,</span><span class='hs-conid'>GetGreenBias</span><span class='hs-layout'>,</span><span class='hs-conid'>GetBlueBias</span><span class='hs-layout'>,</span><span class='hs-conid'>GetAlphaBias</span><span class='hs-layout'>,</span><span class='hs-conid'>GetDepthBias</span><span class='hs-layout'>,</span> <a name="line-30"></a> <span class='hs-conid'>GetPostConvolutionRedScale</span><span class='hs-layout'>,</span><span class='hs-conid'>GetPostConvolutionGreenScale</span><span class='hs-layout'>,</span> <a name="line-31"></a> <span class='hs-conid'>GetPostConvolutionBlueScale</span><span class='hs-layout'>,</span><span class='hs-conid'>GetPostConvolutionAlphaScale</span><span class='hs-layout'>,</span> <a name="line-32"></a> <span class='hs-conid'>GetPostConvolutionRedBias</span><span class='hs-layout'>,</span><span class='hs-conid'>GetPostConvolutionGreenBias</span><span class='hs-layout'>,</span> <a name="line-33"></a> <span class='hs-conid'>GetPostConvolutionBlueBias</span><span class='hs-layout'>,</span><span class='hs-conid'>GetPostConvolutionAlphaBias</span><span class='hs-layout'>,</span> <a name="line-34"></a> <span class='hs-conid'>GetPostColorMatrixRedScale</span><span class='hs-layout'>,</span><span class='hs-conid'>GetPostColorMatrixGreenScale</span><span class='hs-layout'>,</span> <a name="line-35"></a> <span class='hs-conid'>GetPostColorMatrixBlueScale</span><span class='hs-layout'>,</span><span class='hs-conid'>GetPostColorMatrixAlphaScale</span><span class='hs-layout'>,</span> <a name="line-36"></a> <span class='hs-conid'>GetPostColorMatrixRedBias</span><span class='hs-layout'>,</span><span class='hs-conid'>GetPostColorMatrixGreenBias</span><span class='hs-layout'>,</span> <a name="line-37"></a> <span class='hs-conid'>GetPostColorMatrixBlueBias</span><span class='hs-layout'>,</span><span class='hs-conid'>GetPostColorMatrixAlphaBias</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-38"></a> <span class='hs-varid'>getBoolean1</span><span class='hs-layout'>,</span> <span class='hs-varid'>getInteger1</span><span class='hs-layout'>,</span> <span class='hs-varid'>getFloat1</span> <span class='hs-layout'>)</span> <a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span> <span class='hs-conid'>StateVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>)</span> <a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>VertexSpec</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Color4</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <a name="line-41"></a> <a name="line-42"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-43"></a> <a name="line-44"></a><a name="PixelTransfer"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>PixelTransfer</span> <span class='hs-keyglyph'>=</span> <a name="line-45"></a> <span class='hs-conid'>MapColor</span> <a name="line-46"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MapStencil</span> <a name="line-47"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>IndexShift</span> <a name="line-48"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>IndexOffset</span> <a name="line-49"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RedScale</span> <a name="line-50"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RedBias</span> <a name="line-51"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>GreenScale</span> <a name="line-52"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>GreenBias</span> <a name="line-53"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>BlueScale</span> <a name="line-54"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>BlueBias</span> <a name="line-55"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AlphaScale</span> <a name="line-56"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AlphaBias</span> <a name="line-57"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DepthScale</span> <a name="line-58"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DepthBias</span> <a name="line-59"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostConvolutionRedScale</span> <a name="line-60"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostConvolutionGreenScale</span> <a name="line-61"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostConvolutionBlueScale</span> <a name="line-62"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostConvolutionAlphaScale</span> <a name="line-63"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostConvolutionRedBias</span> <a name="line-64"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostConvolutionGreenBias</span> <a name="line-65"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostConvolutionBlueBias</span> <a name="line-66"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostConvolutionAlphaBias</span> <a name="line-67"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostColorMatrixRedScale</span> <a name="line-68"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostColorMatrixGreenScale</span> <a name="line-69"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostColorMatrixBlueScale</span> <a name="line-70"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostColorMatrixAlphaScale</span> <a name="line-71"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostColorMatrixRedBias</span> <a name="line-72"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostColorMatrixGreenBias</span> <a name="line-73"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostColorMatrixBlueBias</span> <a name="line-74"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostColorMatrixAlphaBias</span> <a name="line-75"></a> <a name="line-76"></a><a name="marshalPixelTransfer"></a><span class='hs-definition'>marshalPixelTransfer</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PixelTransfer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-77"></a><span class='hs-definition'>marshalPixelTransfer</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-78"></a> <span class='hs-conid'>MapColor</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd10</span> <a name="line-79"></a> <span class='hs-conid'>MapStencil</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd11</span> <a name="line-80"></a> <span class='hs-conid'>IndexShift</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd12</span> <a name="line-81"></a> <span class='hs-conid'>IndexOffset</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd13</span> <a name="line-82"></a> <span class='hs-conid'>RedScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd14</span> <a name="line-83"></a> <span class='hs-conid'>RedBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd15</span> <a name="line-84"></a> <span class='hs-conid'>GreenScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd18</span> <a name="line-85"></a> <span class='hs-conid'>GreenBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd19</span> <a name="line-86"></a> <span class='hs-conid'>BlueScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd1a</span> <a name="line-87"></a> <span class='hs-conid'>BlueBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd1b</span> <a name="line-88"></a> <span class='hs-conid'>AlphaScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd1c</span> <a name="line-89"></a> <span class='hs-conid'>AlphaBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd1d</span> <a name="line-90"></a> <span class='hs-conid'>DepthScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd1e</span> <a name="line-91"></a> <span class='hs-conid'>DepthBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xd1f</span> <a name="line-92"></a> <span class='hs-conid'>PostConvolutionRedScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x801c</span> <a name="line-93"></a> <span class='hs-conid'>PostConvolutionGreenScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x801d</span> <a name="line-94"></a> <span class='hs-conid'>PostConvolutionBlueScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x801e</span> <a name="line-95"></a> <span class='hs-conid'>PostConvolutionAlphaScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x801f</span> <a name="line-96"></a> <span class='hs-conid'>PostConvolutionRedBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8020</span> <a name="line-97"></a> <span class='hs-conid'>PostConvolutionGreenBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8021</span> <a name="line-98"></a> <span class='hs-conid'>PostConvolutionBlueBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8022</span> <a name="line-99"></a> <span class='hs-conid'>PostConvolutionAlphaBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8023</span> <a name="line-100"></a> <span class='hs-conid'>PostColorMatrixRedScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80b4</span> <a name="line-101"></a> <span class='hs-conid'>PostColorMatrixGreenScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80b5</span> <a name="line-102"></a> <span class='hs-conid'>PostColorMatrixBlueScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80b6</span> <a name="line-103"></a> <span class='hs-conid'>PostColorMatrixAlphaScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80b7</span> <a name="line-104"></a> <span class='hs-conid'>PostColorMatrixRedBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80b8</span> <a name="line-105"></a> <span class='hs-conid'>PostColorMatrixGreenBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80b9</span> <a name="line-106"></a> <span class='hs-conid'>PostColorMatrixBlueBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80ba</span> <a name="line-107"></a> <span class='hs-conid'>PostColorMatrixAlphaBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80bb</span> <a name="line-108"></a> <a name="line-109"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-110"></a> <a name="line-111"></a><a name="PixelTransferStage"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>PixelTransferStage</span> <span class='hs-keyglyph'>=</span> <a name="line-112"></a> <span class='hs-conid'>PreConvolution</span> <a name="line-113"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostConvolution</span> <a name="line-114"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostColorMatrix</span> <a name="line-115"></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-116"></a> <a name="line-117"></a><a name="stageToGetScales"></a><span class='hs-definition'>stageToGetScales</span> <span class='hs-keyglyph'>::</span> <a name="line-118"></a> <span class='hs-conid'>PixelTransferStage</span> <a name="line-119"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>GetPName</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetPName</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetPName</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetPName</span><span class='hs-layout'>)</span> <a name="line-120"></a><span class='hs-definition'>stageToGetScales</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span> <a name="line-121"></a> <span class='hs-conid'>PreConvolution</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>GetRedScale</span><span class='hs-layout'>,</span> <a name="line-122"></a> <span class='hs-conid'>GetGreenScale</span><span class='hs-layout'>,</span> <a name="line-123"></a> <span class='hs-conid'>GetBlueScale</span><span class='hs-layout'>,</span> <a name="line-124"></a> <span class='hs-conid'>GetAlphaScale</span><span class='hs-layout'>)</span> <a name="line-125"></a> <span class='hs-conid'>PostConvolution</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>GetPostConvolutionRedScale</span><span class='hs-layout'>,</span> <a name="line-126"></a> <span class='hs-conid'>GetPostConvolutionGreenScale</span><span class='hs-layout'>,</span> <a name="line-127"></a> <span class='hs-conid'>GetPostConvolutionBlueScale</span><span class='hs-layout'>,</span> <a name="line-128"></a> <span class='hs-conid'>GetPostConvolutionAlphaScale</span><span class='hs-layout'>)</span> <a name="line-129"></a> <span class='hs-conid'>PostColorMatrix</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>GetPostColorMatrixRedScale</span><span class='hs-layout'>,</span> <a name="line-130"></a> <span class='hs-conid'>GetPostColorMatrixGreenScale</span><span class='hs-layout'>,</span> <a name="line-131"></a> <span class='hs-conid'>GetPostColorMatrixBlueScale</span><span class='hs-layout'>,</span> <a name="line-132"></a> <span class='hs-conid'>GetPostColorMatrixAlphaScale</span><span class='hs-layout'>)</span> <a name="line-133"></a> <a name="line-134"></a><a name="stageToSetScales"></a><span class='hs-definition'>stageToSetScales</span> <span class='hs-keyglyph'>::</span> <a name="line-135"></a> <span class='hs-conid'>PixelTransferStage</span> <a name="line-136"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>PixelTransfer</span><span class='hs-layout'>,</span> <span class='hs-conid'>PixelTransfer</span><span class='hs-layout'>,</span> <span class='hs-conid'>PixelTransfer</span><span class='hs-layout'>,</span> <span class='hs-conid'>PixelTransfer</span><span class='hs-layout'>)</span> <a name="line-137"></a><span class='hs-definition'>stageToSetScales</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span> <a name="line-138"></a> <span class='hs-conid'>PreConvolution</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>RedScale</span><span class='hs-layout'>,</span> <a name="line-139"></a> <span class='hs-conid'>GreenScale</span><span class='hs-layout'>,</span> <a name="line-140"></a> <span class='hs-conid'>BlueScale</span><span class='hs-layout'>,</span> <a name="line-141"></a> <span class='hs-conid'>AlphaScale</span><span class='hs-layout'>)</span> <a name="line-142"></a> <span class='hs-conid'>PostConvolution</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>PostConvolutionRedScale</span><span class='hs-layout'>,</span> <a name="line-143"></a> <span class='hs-conid'>PostConvolutionGreenScale</span><span class='hs-layout'>,</span> <a name="line-144"></a> <span class='hs-conid'>PostConvolutionBlueScale</span><span class='hs-layout'>,</span> <a name="line-145"></a> <span class='hs-conid'>PostConvolutionAlphaScale</span><span class='hs-layout'>)</span> <a name="line-146"></a> <span class='hs-conid'>PostColorMatrix</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>PostColorMatrixRedScale</span><span class='hs-layout'>,</span> <a name="line-147"></a> <span class='hs-conid'>PostColorMatrixGreenScale</span><span class='hs-layout'>,</span> <a name="line-148"></a> <span class='hs-conid'>PostColorMatrixBlueScale</span><span class='hs-layout'>,</span> <a name="line-149"></a> <span class='hs-conid'>PostColorMatrixAlphaScale</span><span class='hs-layout'>)</span> <a name="line-150"></a> <a name="line-151"></a><a name="stageToGetBiases"></a><span class='hs-definition'>stageToGetBiases</span> <span class='hs-keyglyph'>::</span> <a name="line-152"></a> <span class='hs-conid'>PixelTransferStage</span> <a name="line-153"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>GetPName</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetPName</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetPName</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetPName</span><span class='hs-layout'>)</span> <a name="line-154"></a><span class='hs-definition'>stageToGetBiases</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span> <a name="line-155"></a> <span class='hs-conid'>PreConvolution</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>GetRedBias</span><span class='hs-layout'>,</span> <a name="line-156"></a> <span class='hs-conid'>GetGreenBias</span><span class='hs-layout'>,</span> <a name="line-157"></a> <span class='hs-conid'>GetBlueBias</span><span class='hs-layout'>,</span> <a name="line-158"></a> <span class='hs-conid'>GetAlphaBias</span><span class='hs-layout'>)</span> <a name="line-159"></a> <span class='hs-conid'>PostConvolution</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>GetPostConvolutionRedBias</span><span class='hs-layout'>,</span> <a name="line-160"></a> <span class='hs-conid'>GetPostConvolutionGreenBias</span><span class='hs-layout'>,</span> <a name="line-161"></a> <span class='hs-conid'>GetPostConvolutionBlueBias</span><span class='hs-layout'>,</span> <a name="line-162"></a> <span class='hs-conid'>GetPostConvolutionAlphaBias</span><span class='hs-layout'>)</span> <a name="line-163"></a> <span class='hs-conid'>PostColorMatrix</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>GetPostColorMatrixRedBias</span><span class='hs-layout'>,</span> <a name="line-164"></a> <span class='hs-conid'>GetPostColorMatrixGreenBias</span><span class='hs-layout'>,</span> <a name="line-165"></a> <span class='hs-conid'>GetPostColorMatrixBlueBias</span><span class='hs-layout'>,</span> <a name="line-166"></a> <span class='hs-conid'>GetPostColorMatrixAlphaBias</span><span class='hs-layout'>)</span> <a name="line-167"></a> <a name="line-168"></a><a name="stageToSetBiases"></a><span class='hs-definition'>stageToSetBiases</span> <span class='hs-keyglyph'>::</span> <a name="line-169"></a> <span class='hs-conid'>PixelTransferStage</span> <a name="line-170"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>PixelTransfer</span><span class='hs-layout'>,</span> <span class='hs-conid'>PixelTransfer</span><span class='hs-layout'>,</span> <span class='hs-conid'>PixelTransfer</span><span class='hs-layout'>,</span> <span class='hs-conid'>PixelTransfer</span><span class='hs-layout'>)</span> <a name="line-171"></a><span class='hs-definition'>stageToSetBiases</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span> <a name="line-172"></a> <span class='hs-conid'>PreConvolution</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>RedBias</span><span class='hs-layout'>,</span> <a name="line-173"></a> <span class='hs-conid'>GreenBias</span><span class='hs-layout'>,</span> <a name="line-174"></a> <span class='hs-conid'>BlueBias</span><span class='hs-layout'>,</span> <a name="line-175"></a> <span class='hs-conid'>AlphaBias</span><span class='hs-layout'>)</span> <a name="line-176"></a> <span class='hs-conid'>PostConvolution</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>PostConvolutionRedBias</span><span class='hs-layout'>,</span> <a name="line-177"></a> <span class='hs-conid'>PostConvolutionGreenBias</span><span class='hs-layout'>,</span> <a name="line-178"></a> <span class='hs-conid'>PostConvolutionBlueBias</span><span class='hs-layout'>,</span> <a name="line-179"></a> <span class='hs-conid'>PostConvolutionAlphaBias</span><span class='hs-layout'>)</span> <a name="line-180"></a> <span class='hs-conid'>PostColorMatrix</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>PostColorMatrixRedBias</span><span class='hs-layout'>,</span> <a name="line-181"></a> <span class='hs-conid'>PostColorMatrixGreenBias</span><span class='hs-layout'>,</span> <a name="line-182"></a> <span class='hs-conid'>PostColorMatrixBlueBias</span><span class='hs-layout'>,</span> <a name="line-183"></a> <span class='hs-conid'>PostColorMatrixAlphaBias</span><span class='hs-layout'>)</span> <a name="line-184"></a> <a name="line-185"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-186"></a> <a name="line-187"></a><a name="mapColor"></a><span class='hs-definition'>mapColor</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-188"></a><span class='hs-definition'>mapColor</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pixelTransferb</span> <span class='hs-conid'>GetMapColor</span> <span class='hs-conid'>MapColor</span> <a name="line-189"></a> <a name="line-190"></a><a name="mapStencil"></a><span class='hs-definition'>mapStencil</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-191"></a><span class='hs-definition'>mapStencil</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pixelTransferb</span> <span class='hs-conid'>GetMapStencil</span> <span class='hs-conid'>MapStencil</span> <a name="line-192"></a> <a name="line-193"></a><a name="indexShift"></a><span class='hs-definition'>indexShift</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLint</span> <a name="line-194"></a><span class='hs-definition'>indexShift</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pixelTransferi</span> <span class='hs-conid'>GetIndexShift</span> <span class='hs-conid'>IndexShift</span> <a name="line-195"></a> <a name="line-196"></a><a name="indexOffset"></a><span class='hs-definition'>indexOffset</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLint</span> <a name="line-197"></a><span class='hs-definition'>indexOffset</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pixelTransferi</span> <span class='hs-conid'>GetIndexOffset</span> <span class='hs-conid'>IndexOffset</span> <a name="line-198"></a> <a name="line-199"></a><a name="depthScale"></a><span class='hs-definition'>depthScale</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-200"></a><span class='hs-definition'>depthScale</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pixelTransferf</span> <span class='hs-conid'>GetDepthScale</span> <span class='hs-conid'>DepthScale</span> <a name="line-201"></a> <a name="line-202"></a><a name="depthBias"></a><span class='hs-definition'>depthBias</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-203"></a><span class='hs-definition'>depthBias</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pixelTransferf</span> <span class='hs-conid'>GetDepthBias</span> <span class='hs-conid'>DepthBias</span> <a name="line-204"></a> <a name="line-205"></a><a name="rgbaScale"></a><span class='hs-definition'>rgbaScale</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PixelTransferStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-206"></a><span class='hs-definition'>rgbaScale</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pixelTransfer4f</span> <span class='hs-layout'>(</span><span class='hs-varid'>stageToGetScales</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>stageToSetScales</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <a name="line-207"></a> <a name="line-208"></a><a name="rgbaBias"></a><span class='hs-definition'>rgbaBias</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PixelTransferStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-209"></a><span class='hs-definition'>rgbaBias</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pixelTransfer4f</span> <span class='hs-layout'>(</span><span class='hs-varid'>stageToGetBiases</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>stageToSetBiases</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</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="pixelTransferb"></a><span class='hs-definition'>pixelTransferb</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetPName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PixelTransfer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-214"></a><span class='hs-definition'>pixelTransferb</span> <span class='hs-varid'>pn</span> <span class='hs-varid'>pt</span> <span class='hs-keyglyph'>=</span> <a name="line-215"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-216"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getBoolean1</span> <span class='hs-varid'>unmarshalCapability</span> <span class='hs-varid'>pn</span><span class='hs-layout'>)</span> <a name="line-217"></a> <span class='hs-layout'>(</span><span class='hs-varid'>glPixelTransferi</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalPixelTransfer</span> <span class='hs-varid'>pt</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <a name="line-218"></a> <span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalCapability</span><span class='hs-layout'>)</span> <a name="line-219"></a> <a name="line-220"></a><a name="pixelTransferi"></a><span class='hs-definition'>pixelTransferi</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetPName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PixelTransfer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLint</span> <a name="line-221"></a><span class='hs-definition'>pixelTransferi</span> <span class='hs-varid'>pn</span> <span class='hs-varid'>pt</span> <span class='hs-keyglyph'>=</span> <a name="line-222"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-223"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getInteger1</span> <span class='hs-varid'>id</span> <span class='hs-varid'>pn</span><span class='hs-layout'>)</span> <a name="line-224"></a> <span class='hs-layout'>(</span><span class='hs-varid'>glPixelTransferi</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalPixelTransfer</span> <span class='hs-varid'>pt</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-225"></a> <a name="line-226"></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'>"glPixelTransferi"</span> <span class='hs-varid'>glPixelTransferi</span> <span class='hs-keyglyph'>::</span> <a name="line-227"></a> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-228"></a> <a name="line-229"></a><a name="pixelTransferf"></a><span class='hs-definition'>pixelTransferf</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetPName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PixelTransfer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>GLfloat</span> <a name="line-230"></a><span class='hs-definition'>pixelTransferf</span> <span class='hs-varid'>pn</span> <span class='hs-varid'>pt</span> <span class='hs-keyglyph'>=</span> <a name="line-231"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-232"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getFloat1</span> <span class='hs-varid'>id</span> <span class='hs-varid'>pn</span><span class='hs-layout'>)</span> <a name="line-233"></a> <span class='hs-layout'>(</span><span class='hs-varid'>glPixelTransferf</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalPixelTransfer</span> <span class='hs-varid'>pt</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-234"></a> <a name="line-235"></a><a name="pixelTransfer4f"></a><span class='hs-definition'>pixelTransfer4f</span> <span class='hs-keyglyph'>::</span> <a name="line-236"></a> <span class='hs-layout'>(</span><span class='hs-conid'>GetPName</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetPName</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetPName</span><span class='hs-layout'>,</span> <span class='hs-conid'>GetPName</span><span class='hs-layout'>)</span> <a name="line-237"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>PixelTransfer</span><span class='hs-layout'>,</span> <span class='hs-conid'>PixelTransfer</span><span class='hs-layout'>,</span> <span class='hs-conid'>PixelTransfer</span><span class='hs-layout'>,</span> <span class='hs-conid'>PixelTransfer</span><span class='hs-layout'>)</span> <a name="line-238"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-239"></a><span class='hs-definition'>pixelTransfer4f</span> <span class='hs-layout'>(</span><span class='hs-varid'>pr</span><span class='hs-layout'>,</span> <span class='hs-varid'>pg</span><span class='hs-layout'>,</span> <span class='hs-varid'>pb</span><span class='hs-layout'>,</span> <span class='hs-varid'>pa</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>tr</span><span class='hs-layout'>,</span> <span class='hs-varid'>tg</span><span class='hs-layout'>,</span> <span class='hs-varid'>tb</span><span class='hs-layout'>,</span> <span class='hs-varid'>ta</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-varid'>get4f</span> <span class='hs-varid'>set4f</span> <a name="line-240"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>get4f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-241"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getFloat1</span> <span class='hs-varid'>id</span> <span class='hs-varid'>pr</span> <a name="line-242"></a> <span class='hs-varid'>g</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getFloat1</span> <span class='hs-varid'>id</span> <span class='hs-varid'>pg</span> <a name="line-243"></a> <span class='hs-varid'>b</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getFloat1</span> <span class='hs-varid'>id</span> <span class='hs-varid'>pb</span> <a name="line-244"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getFloat1</span> <span class='hs-varid'>id</span> <span class='hs-varid'>pa</span> <a name="line-245"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Color4</span> <span class='hs-varid'>r</span> <span class='hs-varid'>g</span> <span class='hs-varid'>b</span> <span class='hs-varid'>a</span> <a name="line-246"></a> <span class='hs-varid'>set4f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-varid'>r</span> <span class='hs-varid'>g</span> <span class='hs-varid'>b</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-247"></a> <span class='hs-varid'>glPixelTransferf</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalPixelTransfer</span> <span class='hs-varid'>tr</span><span class='hs-layout'>)</span> <span class='hs-varid'>r</span> <a name="line-248"></a> <span class='hs-varid'>glPixelTransferf</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalPixelTransfer</span> <span class='hs-varid'>tg</span><span class='hs-layout'>)</span> <span class='hs-varid'>g</span> <a name="line-249"></a> <span class='hs-varid'>glPixelTransferf</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalPixelTransfer</span> <span class='hs-varid'>tb</span><span class='hs-layout'>)</span> <span class='hs-varid'>b</span> <a name="line-250"></a> <span class='hs-varid'>glPixelTransferf</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalPixelTransfer</span> <span class='hs-varid'>ta</span><span class='hs-layout'>)</span> <span class='hs-varid'>a</span> <a name="line-251"></a> <a name="line-252"></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'>"glPixelTransferf"</span> <span class='hs-varid'>glPixelTransferf</span> <span class='hs-keyglyph'>::</span> <a name="line-253"></a> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> </pre></body> </html>
