<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ --> <title>Graphics/Rendering/OpenGL/GL/Texturing/TexParameter.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>-- #hide</span> <a name="line-2"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-3"></a><span class='hs-comment'>-- |</span> <a name="line-4"></a><span class='hs-comment'>-- Module : Graphics.Rendering.OpenGL.GL.Texturing.TexParameter</span> <a name="line-5"></a><span class='hs-comment'>-- Copyright : (c) Sven Panne 2002-2009</span> <a name="line-6"></a><span class='hs-comment'>-- License : BSD-style (see the file libraries/OpenGL/LICENSE)</span> <a name="line-7"></a><span class='hs-comment'>-- </span> <a name="line-8"></a><span class='hs-comment'>-- Maintainer : sven.panne@aedion.de</span> <a name="line-9"></a><span class='hs-comment'>-- Stability : stable</span> <a name="line-10"></a><span class='hs-comment'>-- Portability : portable</span> <a name="line-11"></a><span class='hs-comment'>--</span> <a name="line-12"></a><span class='hs-comment'>-- This is a purely internal module for getting\/setting texture parameters.</span> <a name="line-13"></a><span class='hs-comment'>--</span> <a name="line-14"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-15"></a> <a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Texturing</span><span class='hs-varop'>.</span><span class='hs-conid'>TexParameter</span> <span class='hs-layout'>(</span> <a name="line-17"></a> <span class='hs-conid'>TexParameter</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'>texParami</span><span class='hs-layout'>,</span> <span class='hs-varid'>texParamf</span><span class='hs-layout'>,</span> <span class='hs-varid'>texParamC4f</span><span class='hs-layout'>,</span> <span class='hs-varid'>getTexParameteri</span><span class='hs-layout'>,</span> <a name="line-18"></a> <span class='hs-varid'>combineTexParams</span><span class='hs-layout'>,</span> <span class='hs-varid'>combineTexParamsMaybe</span> <a name="line-19"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-20"></a> <a name="line-21"></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-22"></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-23"></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-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Storable</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Storable</span> <span class='hs-layout'>)</span> <a name="line-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'>BasicTypes</span> <span class='hs-layout'>(</span> <a name="line-27"></a> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLenum</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>,</span> <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-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>PeekPoke</span> <span class='hs-layout'>(</span> <span class='hs-varid'>peek1</span> <span class='hs-layout'>)</span> <a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span> <a name="line-30"></a> <span class='hs-conid'>HasGetter</span><span class='hs-layout'>(</span><span class='hs-varid'>get</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasSetter</span><span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>$=</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>StateVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>)</span> <a name="line-31"></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'>TextureTarget</span> <span class='hs-layout'>(</span> <a name="line-32"></a> <span class='hs-conid'>TextureTarget</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'>marshalTextureTarget</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'>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-34"></a> <a name="line-35"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-36"></a> <a name="line-37"></a><a name="TexParameter"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TexParameter</span> <span class='hs-keyglyph'>=</span> <a name="line-38"></a> <span class='hs-conid'>TextureMinFilter</span> <a name="line-39"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureMagFilter</span> <a name="line-40"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureWrapS</span> <a name="line-41"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureWrapT</span> <a name="line-42"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureWrapR</span> <a name="line-43"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureBorderColor</span> <a name="line-44"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureMinLOD</span> <a name="line-45"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureMaxLOD</span> <a name="line-46"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureBaseLevel</span> <a name="line-47"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureMaxLevel</span> <a name="line-48"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TexturePriority</span> <a name="line-49"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureMaxAnisotropy</span> <a name="line-50"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureCompare</span> <a name="line-51"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureCompareOperator</span> <a name="line-52"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureCompareFailValue</span> <a name="line-53"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>GenerateMipmap</span> <a name="line-54"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureCompareMode</span> <a name="line-55"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureCompareFunc</span> <a name="line-56"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DepthTextureMode</span> <a name="line-57"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureLODBias</span> <a name="line-58"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureResident</span> <a name="line-59"></a> <a name="line-60"></a><a name="marshalTexParameter"></a><span class='hs-definition'>marshalTexParameter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TexParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-61"></a><span class='hs-definition'>marshalTexParameter</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-62"></a> <span class='hs-conid'>TextureMinFilter</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2801</span> <a name="line-63"></a> <span class='hs-conid'>TextureMagFilter</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2800</span> <a name="line-64"></a> <span class='hs-conid'>TextureWrapS</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2802</span> <a name="line-65"></a> <span class='hs-conid'>TextureWrapT</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2803</span> <a name="line-66"></a> <span class='hs-conid'>TextureWrapR</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8072</span> <a name="line-67"></a> <span class='hs-conid'>TextureBorderColor</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1004</span> <a name="line-68"></a> <span class='hs-conid'>TextureMinLOD</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x813A</span> <a name="line-69"></a> <span class='hs-conid'>TextureMaxLOD</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x813B</span> <a name="line-70"></a> <span class='hs-conid'>TextureBaseLevel</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x813C</span> <a name="line-71"></a> <span class='hs-conid'>TextureMaxLevel</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x813D</span> <a name="line-72"></a> <span class='hs-conid'>TexturePriority</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8066</span> <a name="line-73"></a> <span class='hs-conid'>TextureMaxAnisotropy</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x84FE</span> <a name="line-74"></a> <span class='hs-conid'>TextureCompare</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x819A</span> <a name="line-75"></a> <span class='hs-conid'>TextureCompareOperator</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x819B</span> <a name="line-76"></a> <span class='hs-conid'>TextureCompareFailValue</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80BF</span> <a name="line-77"></a> <span class='hs-conid'>GenerateMipmap</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8191</span> <a name="line-78"></a> <span class='hs-conid'>TextureCompareMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x884C</span> <a name="line-79"></a> <span class='hs-conid'>TextureCompareFunc</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x884D</span> <a name="line-80"></a> <span class='hs-conid'>DepthTextureMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x884B</span> <a name="line-81"></a> <span class='hs-conid'>TextureLODBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8501</span> <a name="line-82"></a> <span class='hs-conid'>TextureResident</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8067</span> <a name="line-83"></a> <a name="line-84"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-85"></a> <a name="line-86"></a><a name="texParameter"></a><span class='hs-definition'>texParameter</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-87"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-88"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-89"></a><span class='hs-definition'>texParameter</span> <span class='hs-varid'>glTexParameter</span> <span class='hs-varid'>marshalAct</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <a name="line-90"></a> <span class='hs-varid'>marshalAct</span> <span class='hs-varid'>x</span> <span class='hs-varop'>$</span> <a name="line-91"></a> <span class='hs-varid'>glTexParameter</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTexParameter</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-92"></a> <a name="line-93"></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'>"glTexParameteri"</span> <a name="line-94"></a> <span class='hs-varid'>glTexParameteri</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-95"></a> <a name="line-96"></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'>"glTexParameterf"</span> <a name="line-97"></a> <span class='hs-varid'>glTexParameterf</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-98"></a> <a name="line-99"></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'>"glTexParameterfv"</span> <a name="line-100"></a> <span class='hs-varid'>glTexParameterC4f</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-101"></a> <a name="line-102"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-103"></a> <a name="line-104"></a><a name="getTexParameter"></a><span class='hs-definition'>getTexParameter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Storable</span> <span class='hs-varid'>b</span> <a name="line-105"></a> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-106"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <a name="line-107"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <a name="line-108"></a><span class='hs-definition'>getTexParameter</span> <span class='hs-varid'>glGetTexParameter</span> <span class='hs-varid'>unmarshal</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <a name="line-109"></a> <span class='hs-varid'>alloca</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>buf</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <a name="line-110"></a> <span class='hs-varid'>glGetTexParameter</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTextureTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTexParameter</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-varid'>buf</span> <a name="line-111"></a> <span class='hs-varid'>peek1</span> <span class='hs-varid'>unmarshal</span> <span class='hs-varid'>buf</span> <a name="line-112"></a> <a name="line-113"></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'>"glGetTexParameteriv"</span> <a name="line-114"></a> <span class='hs-varid'>glGetTexParameteriv</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-115"></a> <a name="line-116"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-conid'>CALLCONV</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"glGetTexParameterfv"</span> <a name="line-117"></a> <span class='hs-varid'>glGetTexParameterfv</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-118"></a> <a name="line-119"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-conid'>CALLCONV</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"glGetTexParameterfv"</span> <a name="line-120"></a> <span class='hs-varid'>glGetTexParameterC4f</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-121"></a> <a name="line-122"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-123"></a> <a name="line-124"></a><a name="m2a"></a><span class='hs-definition'>m2a</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-125"></a><span class='hs-definition'>m2a</span> <span class='hs-varid'>marshal</span> <span class='hs-varid'>x</span> <span class='hs-varid'>act</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>act</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshal</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <a name="line-126"></a> <a name="line-127"></a><a name="texParami"></a><span class='hs-definition'>texParami</span> <span class='hs-keyglyph'>::</span> <a name="line-128"></a> <span class='hs-layout'>(</span><span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-varid'>a</span> <a name="line-129"></a><span class='hs-definition'>texParami</span> <span class='hs-varid'>unmarshal</span> <span class='hs-varid'>marshal</span> <span class='hs-varid'>p</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <a name="line-130"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-131"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexParameter</span> <span class='hs-varid'>glGetTexParameteriv</span> <span class='hs-varid'>unmarshal</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-132"></a> <span class='hs-layout'>(</span><span class='hs-varid'>texParameter</span> <span class='hs-varid'>glTexParameteri</span> <span class='hs-layout'>(</span><span class='hs-varid'>m2a</span> <span class='hs-varid'>marshal</span><span class='hs-layout'>)</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-133"></a> <a name="line-134"></a><a name="texParamf"></a><span class='hs-definition'>texParamf</span> <span class='hs-keyglyph'>::</span> <a name="line-135"></a> <span class='hs-layout'>(</span><span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-varid'>a</span> <a name="line-136"></a><span class='hs-definition'>texParamf</span> <span class='hs-varid'>unmarshal</span> <span class='hs-varid'>marshal</span> <span class='hs-varid'>p</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <a name="line-137"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-138"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexParameter</span> <span class='hs-varid'>glGetTexParameterfv</span> <span class='hs-varid'>unmarshal</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-139"></a> <span class='hs-layout'>(</span><span class='hs-varid'>texParameter</span> <span class='hs-varid'>glTexParameterf</span> <span class='hs-layout'>(</span><span class='hs-varid'>m2a</span> <span class='hs-varid'>marshal</span><span class='hs-layout'>)</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-140"></a> <a name="line-141"></a><a name="texParamC4f"></a><span class='hs-definition'>texParamC4f</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TexParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureTarget</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-142"></a><span class='hs-definition'>texParamC4f</span> <span class='hs-varid'>p</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <a name="line-143"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-144"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexParameter</span> <span class='hs-varid'>glGetTexParameterC4f</span> <span class='hs-varid'>id</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-145"></a> <span class='hs-layout'>(</span><span class='hs-varid'>texParameter</span> <span class='hs-varid'>glTexParameterC4f</span> <span class='hs-varid'>with</span> <span class='hs-varid'>t</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-146"></a> <a name="line-147"></a><a name="getTexParameteri"></a><span class='hs-definition'>getTexParameteri</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <a name="line-148"></a><span class='hs-definition'>getTexParameteri</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getTexParameter</span> <span class='hs-varid'>glGetTexParameteriv</span> <a name="line-149"></a> <a name="line-150"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-151"></a> <a name="line-152"></a><a name="combineTexParams"></a><span class='hs-definition'>combineTexParams</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>TextureTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <a name="line-153"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>TextureTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <a name="line-154"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>TextureTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>b</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-155"></a><span class='hs-definition'>combineTexParams</span> <span class='hs-varid'>v</span> <span class='hs-varid'>w</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <a name="line-156"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-157"></a> <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'>get</span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>get</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-158"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>v</span> <span class='hs-varid'>t</span> <span class='hs-varop'>$=</span> <span class='hs-varid'>x</span><span class='hs-layout'>;</span> <span class='hs-varid'>w</span> <span class='hs-varid'>t</span> <span class='hs-varop'>$=</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <a name="line-159"></a> <a name="line-160"></a><a name="combineTexParamsMaybe"></a><span class='hs-definition'>combineTexParamsMaybe</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>TextureTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span><span class='hs-layout'>)</span> <a name="line-161"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>TextureTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <a name="line-162"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>TextureTarget</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'>a</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-163"></a><span class='hs-definition'>combineTexParamsMaybe</span> <span class='hs-varid'>enab</span> <span class='hs-varid'>val</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <a name="line-164"></a> <span class='hs-varid'>makeStateVar</span> <a name="line-165"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span> <span class='hs-varid'>tcm</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>get</span> <span class='hs-layout'>(</span><span class='hs-varid'>enab</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <a name="line-166"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>tcm</span> <span class='hs-keyword'>of</span> <a name="line-167"></a> <span class='hs-conid'>Disabled</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span> <a name="line-168"></a> <span class='hs-conid'>Enabled</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fmap</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-varid'>get</span> <span class='hs-layout'>(</span><span class='hs-varid'>val</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-169"></a> <span class='hs-layout'>(</span><span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>enab</span> <span class='hs-varid'>t</span> <span class='hs-varop'>$=</span> <span class='hs-conid'>Disabled</span><span class='hs-layout'>)</span> <a name="line-170"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>tcf</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>val</span> <span class='hs-varid'>t</span> <span class='hs-varop'>$=</span> <span class='hs-varid'>tcf</span> <a name="line-171"></a> <span class='hs-varid'>enab</span> <span class='hs-varid'>t</span> <span class='hs-varop'>$=</span> <span class='hs-conid'>Enabled</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> </pre></body> </html>
