<?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/Polygons.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.Polygons</span> <a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) Sven Panne 2002-2009</span> <a name="line-5"></a><span class='hs-comment'>-- License : BSD-style (see the file libraries/OpenGL/LICENSE)</span> <a name="line-6"></a><span class='hs-comment'>-- </span> <a name="line-7"></a><span class='hs-comment'>-- Maintainer : sven.panne@aedion.de</span> <a name="line-8"></a><span class='hs-comment'>-- Stability : stable</span> <a name="line-9"></a><span class='hs-comment'>-- Portability : portable</span> <a name="line-10"></a><span class='hs-comment'>--</span> <a name="line-11"></a><span class='hs-comment'>-- This module corresponds to section 3.5 (Polygons) of the OpenGL 2.1 specs.</span> <a name="line-12"></a><span class='hs-comment'>--</span> <a name="line-13"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-14"></a> <a name="line-15"></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'>Polygons</span> <span class='hs-layout'>(</span> <a name="line-16"></a> <span class='hs-varid'>polygonSmooth</span><span class='hs-layout'>,</span> <span class='hs-varid'>cullFace</span><span class='hs-layout'>,</span> <a name="line-17"></a> <span class='hs-conid'>PolygonStipple</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'>GLpolygonstipple</span><span class='hs-layout'>,</span> <span class='hs-varid'>polygonStipple</span><span class='hs-layout'>,</span> <a name="line-18"></a> <span class='hs-conid'>PolygonMode</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'>polygonMode</span><span class='hs-layout'>,</span> <span class='hs-varid'>polygonOffset</span><span class='hs-layout'>,</span> <a name="line-19"></a> <span class='hs-varid'>polygonOffsetPoint</span><span class='hs-layout'>,</span> <span class='hs-varid'>polygonOffsetLine</span><span class='hs-layout'>,</span> <span class='hs-varid'>polygonOffsetFill</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'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span> <span class='hs-varid'>liftM2</span> <span class='hs-layout'>)</span> <a name="line-23"></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-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Marshal</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span> <span class='hs-varid'>allocaArray</span><span class='hs-layout'>,</span> <span class='hs-varid'>withArray</span><span class='hs-layout'>,</span> <span class='hs-varid'>peekArray</span><span class='hs-layout'>,</span> <span class='hs-varid'>pokeArray</span> <span class='hs-layout'>)</span> <a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Ptr</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'>Capability</span> <span class='hs-layout'>(</span> <a name="line-27"></a> <span class='hs-conid'>EnableCap</span><span class='hs-layout'>(</span><span class='hs-conid'>CapPolygonSmooth</span><span class='hs-layout'>,</span><span class='hs-conid'>CapCullFace</span><span class='hs-layout'>,</span><span class='hs-conid'>CapPolygonStipple</span><span class='hs-layout'>,</span> <a name="line-28"></a> <span class='hs-conid'>CapPolygonOffsetPoint</span><span class='hs-layout'>,</span><span class='hs-conid'>CapPolygonOffsetLine</span><span class='hs-layout'>,</span><span class='hs-conid'>CapPolygonOffsetFill</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-29"></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-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>BasicTypes</span> <span class='hs-layout'>(</span> <a name="line-31"></a> <span class='hs-conid'>GLenum</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLubyte</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-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Face</span> <span class='hs-layout'>(</span> <span class='hs-varid'>marshalFace</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmarshalFace</span> <span class='hs-layout'>)</span> <a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Colors</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Face</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>PixelRectangles</span> <span class='hs-layout'>(</span> <a name="line-35"></a> <span class='hs-conid'>PixelStoreDirection</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'>rowLength</span><span class='hs-layout'>,</span> <span class='hs-varid'>skipRows</span><span class='hs-layout'>,</span> <span class='hs-varid'>skipPixels</span> <span class='hs-layout'>)</span> <a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>PolygonMode</span> <span class='hs-layout'>(</span> <a name="line-37"></a> <span class='hs-conid'>PolygonMode</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'>marshalPolygonMode</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmarshalPolygonMode</span> <span class='hs-layout'>)</span> <a name="line-38"></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-39"></a> <span class='hs-conid'>GetPName</span><span class='hs-layout'>(</span><span class='hs-conid'>GetCullFaceMode</span><span class='hs-layout'>,</span><span class='hs-conid'>GetPolygonMode</span><span class='hs-layout'>,</span><span class='hs-conid'>GetPolygonOffsetFactor</span><span class='hs-layout'>,</span> <a name="line-40"></a> <span class='hs-conid'>GetPolygonOffsetUnits</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-41"></a> <span class='hs-varid'>getInteger2</span><span class='hs-layout'>,</span> <span class='hs-varid'>getEnum1</span><span class='hs-layout'>,</span> <span class='hs-varid'>getFloat1</span> <span class='hs-layout'>)</span> <a name="line-42"></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'>SavingState</span> <span class='hs-layout'>(</span> <a name="line-43"></a> <span class='hs-conid'>ClientAttributeGroup</span><span class='hs-layout'>(</span><span class='hs-conid'>PixelStoreAttributes</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>preservingClientAttrib</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'>StateVar</span> <span class='hs-layout'>(</span> <a name="line-45"></a> <span class='hs-conid'>HasSetter</span><span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>$=</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>StateVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>)</span> <a name="line-46"></a> <a name="line-47"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-48"></a> <a name="line-49"></a><a name="polygonSmooth"></a><span class='hs-definition'>polygonSmooth</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-50"></a><span class='hs-definition'>polygonSmooth</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapPolygonSmooth</span> <a name="line-51"></a> <a name="line-52"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-53"></a> <a name="line-54"></a><a name="cullFace"></a><span class='hs-definition'>cullFace</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Face</span><span class='hs-layout'>)</span> <a name="line-55"></a><span class='hs-definition'>cullFace</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeStateVarMaybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>CapCullFace</span><span class='hs-layout'>)</span> <a name="line-56"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalFace</span> <span class='hs-conid'>GetCullFaceMode</span><span class='hs-layout'>)</span> <a name="line-57"></a> <span class='hs-layout'>(</span><span class='hs-varid'>glCullFace</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalFace</span><span class='hs-layout'>)</span> <a name="line-58"></a> <a name="line-59"></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'>"glCullFace"</span> <span class='hs-varid'>glCullFace</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-60"></a> <a name="line-61"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-62"></a> <a name="line-63"></a><a name="numPolygonStippleBytes"></a><span class='hs-definition'>numPolygonStippleBytes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <a name="line-64"></a><span class='hs-definition'>numPolygonStippleBytes</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>128</span> <span class='hs-comment'>-- 32x32 bits divided into GLubytes</span> <a name="line-65"></a> <a name="line-66"></a><a name="PolygonStipple"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>PolygonStipple</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>where</span> <a name="line-67"></a> <span class='hs-varid'>withNewPolygonStipple</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLubyte</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-varid'>s</span> <a name="line-68"></a> <span class='hs-varid'>withPolygonStipple</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLubyte</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-69"></a> <span class='hs-varid'>newPolygonStipple</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>GLubyte</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>s</span> <a name="line-70"></a> <span class='hs-varid'>getPolygonStippleComponents</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>GLubyte</span><span class='hs-keyglyph'>]</span> <a name="line-71"></a> <a name="line-72"></a> <span class='hs-varid'>withNewPolygonStipple</span> <span class='hs-varid'>act</span> <span class='hs-keyglyph'>=</span> <a name="line-73"></a> <span class='hs-varid'>allocaArray</span> <span class='hs-varid'>numPolygonStippleBytes</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-74"></a> <span class='hs-varid'>act</span> <span class='hs-varid'>p</span> <a name="line-75"></a> <span class='hs-varid'>components</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>peekArray</span> <span class='hs-varid'>numPolygonStippleBytes</span> <span class='hs-varid'>p</span> <a name="line-76"></a> <span class='hs-varid'>newPolygonStipple</span> <span class='hs-varid'>components</span> <a name="line-77"></a> <a name="line-78"></a> <span class='hs-varid'>withPolygonStipple</span> <span class='hs-varid'>s</span> <span class='hs-varid'>act</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-79"></a> <span class='hs-varid'>components</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getPolygonStippleComponents</span> <span class='hs-varid'>s</span> <a name="line-80"></a> <span class='hs-varid'>withArray</span> <span class='hs-varid'>components</span> <span class='hs-varid'>act</span> <a name="line-81"></a> <a name="line-82"></a> <span class='hs-varid'>newPolygonStipple</span> <span class='hs-varid'>components</span> <span class='hs-keyglyph'>=</span> <a name="line-83"></a> <span class='hs-varid'>withNewPolygonStipple</span> <span class='hs-varop'>$</span> <a name="line-84"></a> <span class='hs-varid'>flip</span> <span class='hs-varid'>pokeArray</span> <span class='hs-layout'>(</span><span class='hs-varid'>take</span> <span class='hs-varid'>numPolygonStippleBytes</span> <span class='hs-varid'>components</span><span class='hs-layout'>)</span> <a name="line-85"></a> <a name="line-86"></a> <span class='hs-varid'>getPolygonStippleComponents</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <a name="line-87"></a> <span class='hs-varid'>withPolygonStipple</span> <span class='hs-varid'>s</span> <span class='hs-varop'>$</span> <span class='hs-varid'>peekArray</span> <span class='hs-varid'>numPolygonStippleBytes</span> <a name="line-88"></a> <a name="line-89"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-90"></a> <a name="line-91"></a><a name="GLpolygonstipple"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>GLpolygonstipple</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>GLpolygonstipple</span> <span class='hs-layout'>(</span><span class='hs-conid'>ForeignPtr</span> <span class='hs-conid'>GLubyte</span><span class='hs-layout'>)</span> <a name="line-92"></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-93"></a> <a name="line-94"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PolygonStipple</span> <span class='hs-conid'>GLpolygonstipple</span> <span class='hs-keyword'>where</span> <a name="line-95"></a> <span class='hs-varid'>withNewPolygonStipple</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-96"></a> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mallocForeignPtrArray</span> <span class='hs-varid'>numPolygonStippleBytes</span> <a name="line-97"></a> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>fp</span> <span class='hs-varid'>f</span> <a name="line-98"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>GLpolygonstipple</span> <span class='hs-varid'>fp</span> <a name="line-99"></a> <a name="line-100"></a> <span class='hs-varid'>withPolygonStipple</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLpolygonstipple</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>fp</span> <a name="line-101"></a> <a name="line-102"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-103"></a> <a name="line-104"></a><a name="polygonStipple"></a><span class='hs-definition'>polygonStipple</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PolygonStipple</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <a name="line-105"></a><span class='hs-definition'>polygonStipple</span> <span class='hs-keyglyph'>=</span> <a name="line-106"></a> <span class='hs-varid'>makeStateVarMaybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>CapPolygonStipple</span><span class='hs-layout'>)</span> <a name="line-107"></a> <span class='hs-layout'>(</span><span class='hs-varid'>withoutGaps</span> <span class='hs-conid'>Pack</span> <span class='hs-varop'>$</span> <span class='hs-varid'>withNewPolygonStipple</span> <span class='hs-varid'>glGetPolygonStipple</span><span class='hs-layout'>)</span> <a name="line-108"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>withoutGaps</span> <span class='hs-conid'>Unpack</span> <span class='hs-varop'>$</span> <span class='hs-varid'>withPolygonStipple</span> <span class='hs-varid'>s</span> <span class='hs-varid'>glPolygonStipple</span><span class='hs-layout'>)</span> <a name="line-109"></a> <a name="line-110"></a><a name="withoutGaps"></a><span class='hs-comment'>-- Note: No need to set rowAlignment, our memory allocator always returns a</span> <a name="line-111"></a><span class='hs-comment'>-- region which is at least 8-byte aligned (the maximum)</span> <a name="line-112"></a><span class='hs-definition'>withoutGaps</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PixelStoreDirection</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <a name="line-113"></a><span class='hs-definition'>withoutGaps</span> <span class='hs-varid'>direction</span> <span class='hs-varid'>action</span> <span class='hs-keyglyph'>=</span> <a name="line-114"></a> <span class='hs-varid'>preservingClientAttrib</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>PixelStoreAttributes</span> <span class='hs-keyglyph'>]</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <a name="line-115"></a> <span class='hs-varid'>rowLength</span> <span class='hs-varid'>direction</span> <span class='hs-varop'>$=</span> <span class='hs-num'>0</span> <a name="line-116"></a> <span class='hs-varid'>skipRows</span> <span class='hs-varid'>direction</span> <span class='hs-varop'>$=</span> <span class='hs-num'>0</span> <a name="line-117"></a> <span class='hs-varid'>skipPixels</span> <span class='hs-varid'>direction</span> <span class='hs-varop'>$=</span> <span class='hs-num'>0</span> <a name="line-118"></a> <span class='hs-varid'>action</span> <a name="line-119"></a> <a name="line-120"></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'>"glGetPolygonStipple"</span> <span class='hs-varid'>glGetPolygonStipple</span> <span class='hs-keyglyph'>::</span> <a name="line-121"></a> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLubyte</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-122"></a> <a name="line-123"></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'>"glPolygonStipple"</span> <span class='hs-varid'>glPolygonStipple</span> <span class='hs-keyglyph'>::</span> <a name="line-124"></a> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLubyte</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-125"></a> <a name="line-126"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-127"></a> <a name="line-128"></a><a name="polygonMode"></a><span class='hs-definition'>polygonMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>PolygonMode</span><span class='hs-layout'>,</span> <span class='hs-conid'>PolygonMode</span><span class='hs-layout'>)</span> <a name="line-129"></a><span class='hs-definition'>polygonMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-varid'>getPolygonMode</span> <span class='hs-varid'>setPolygonMode</span> <a name="line-130"></a> <a name="line-131"></a><a name="getPolygonMode"></a><span class='hs-definition'>getPolygonMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>PolygonMode</span><span class='hs-layout'>,</span> <span class='hs-conid'>PolygonMode</span><span class='hs-layout'>)</span> <a name="line-132"></a><span class='hs-definition'>getPolygonMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getInteger2</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>front</span> <span class='hs-varid'>back</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>un</span> <span class='hs-varid'>front</span><span class='hs-layout'>,</span> <span class='hs-varid'>un</span> <span class='hs-varid'>back</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-conid'>GetPolygonMode</span> <a name="line-133"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>un</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unmarshalPolygonMode</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromIntegral</span> <a name="line-134"></a> <a name="line-135"></a><a name="setPolygonMode"></a><span class='hs-definition'>setPolygonMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>PolygonMode</span><span class='hs-layout'>,</span> <span class='hs-conid'>PolygonMode</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-136"></a><span class='hs-definition'>setPolygonMode</span> <span class='hs-layout'>(</span><span class='hs-varid'>front</span><span class='hs-layout'>,</span> <span class='hs-varid'>back</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-137"></a> <span class='hs-varid'>glPolygonMode</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalFace</span> <span class='hs-conid'>Front</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalPolygonMode</span> <span class='hs-varid'>front</span><span class='hs-layout'>)</span> <a name="line-138"></a> <span class='hs-varid'>glPolygonMode</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalFace</span> <span class='hs-conid'>Back</span> <span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalPolygonMode</span> <span class='hs-varid'>back</span> <span class='hs-layout'>)</span> <a name="line-139"></a> <a name="line-140"></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'>"glPolygonMode"</span> <span class='hs-varid'>glPolygonMode</span> <span class='hs-keyglyph'>::</span> <a name="line-141"></a> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-142"></a> <a name="line-143"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-144"></a> <a name="line-145"></a><a name="polygonOffset"></a><span class='hs-definition'>polygonOffset</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLfloat</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-146"></a><span class='hs-definition'>polygonOffset</span> <span class='hs-keyglyph'>=</span> <a name="line-147"></a> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>liftM2</span> <span class='hs-conid'>(,)</span> <span class='hs-layout'>(</span><span class='hs-varid'>getFloat1</span> <span class='hs-varid'>id</span> <span class='hs-conid'>GetPolygonOffsetFactor</span><span class='hs-layout'>)</span> <a name="line-148"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getFloat1</span> <span class='hs-varid'>id</span> <span class='hs-conid'>GetPolygonOffsetUnits</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-149"></a> <span class='hs-layout'>(</span><span class='hs-varid'>uncurry</span> <span class='hs-varid'>glPolygonOffset</span><span class='hs-layout'>)</span> <a name="line-150"></a> <a name="line-151"></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'>"glPolygonOffset"</span> <span class='hs-varid'>glPolygonOffset</span> <span class='hs-keyglyph'>::</span> <a name="line-152"></a> <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-153"></a> <a name="line-154"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-155"></a> <a name="line-156"></a><a name="polygonOffsetPoint"></a><span class='hs-definition'>polygonOffsetPoint</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-157"></a><span class='hs-definition'>polygonOffsetPoint</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapPolygonOffsetPoint</span> <a name="line-158"></a> <a name="line-159"></a><a name="polygonOffsetLine"></a><span class='hs-definition'>polygonOffsetLine</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-160"></a><span class='hs-definition'>polygonOffsetLine</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapPolygonOffsetLine</span> <a name="line-161"></a> <a name="line-162"></a><a name="polygonOffsetFill"></a><span class='hs-definition'>polygonOffsetFill</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-163"></a><span class='hs-definition'>polygonOffsetFill</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-conid'>CapPolygonOffsetFill</span> </pre></body> </html>
