<?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/Queries.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.Texturing.Queries</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 offers various texture queries.</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'>Texturing</span><span class='hs-varop'>.</span><span class='hs-conid'>Queries</span> <span class='hs-layout'>(</span> <a name="line-16"></a> <span class='hs-conid'>TextureQuery</span><span class='hs-layout'>,</span> <span class='hs-varid'>textureInternalFormat</span><span class='hs-layout'>,</span> <span class='hs-varid'>textureSize1D</span><span class='hs-layout'>,</span> <span class='hs-varid'>textureSize2D</span><span class='hs-layout'>,</span> <a name="line-17"></a> <span class='hs-varid'>textureSize3D</span><span class='hs-layout'>,</span> <span class='hs-varid'>textureBorder</span><span class='hs-layout'>,</span> <span class='hs-varid'>textureRGBASizes</span><span class='hs-layout'>,</span> <span class='hs-varid'>textureSharedSize</span><span class='hs-layout'>,</span> <a name="line-18"></a> <span class='hs-varid'>textureIntensitySize</span><span class='hs-layout'>,</span> <span class='hs-varid'>textureLuminanceSize</span><span class='hs-layout'>,</span> <span class='hs-varid'>textureIndexSize</span><span class='hs-layout'>,</span> <a name="line-19"></a> <span class='hs-varid'>textureDepthBits</span><span class='hs-layout'>,</span> <span class='hs-varid'>textureCompressedImageSize</span><span class='hs-layout'>,</span> <span class='hs-varid'>textureProxyOK</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> <span class='hs-varid'>liftM3</span><span class='hs-layout'>,</span> <span class='hs-varid'>liftM4</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'>Alloc</span> <span class='hs-layout'>(</span> <span class='hs-varid'>alloca</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'>Ptr</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Ptr</span> <span class='hs-layout'>)</span> <a name="line-25"></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> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLsizei</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLenum</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'>GLboolean</span> <span class='hs-layout'>(</span> <span class='hs-varid'>unmarshalGLboolean</span> <span class='hs-layout'>)</span> <a name="line-27"></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-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'>Texturing</span><span class='hs-varop'>.</span><span class='hs-conid'>PixelInternalFormat</span> <span class='hs-layout'>(</span> <a name="line-29"></a> <span class='hs-varid'>unmarshalPixelInternalFormat</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'>PixelRectangles</span> <span class='hs-layout'>(</span> <a name="line-31"></a> <span class='hs-conid'>Proxy</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'>PixelInternalFormat</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</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'>StateVar</span> <span class='hs-layout'>(</span> <a name="line-33"></a> <span class='hs-conid'>GettableStateVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeGettableStateVar</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'>Texturing</span><span class='hs-varop'>.</span><span class='hs-conid'>Specification</span> <span class='hs-layout'>(</span> <a name="line-35"></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-conid'>CubeMapTarget</span><span class='hs-layout'>,</span> <span class='hs-conid'>Level</span><span class='hs-layout'>,</span> <span class='hs-conid'>Border</span><span class='hs-layout'>,</span> <a name="line-36"></a> <span class='hs-conid'>TextureSize1D</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'>TextureSize2D</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'>TextureSize3D</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <a name="line-37"></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-38"></a> <span class='hs-varid'>marshalProxyTextureTarget</span><span class='hs-layout'>,</span> <span class='hs-varid'>marshalCubeMapTarget</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'>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-40"></a> <a name="line-41"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-42"></a> <a name="line-43"></a><a name="TexLevelParameter"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TexLevelParameter</span> <span class='hs-keyglyph'>=</span> <a name="line-44"></a> <span class='hs-conid'>TextureInternalFormat</span> <a name="line-45"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureWidth</span> <a name="line-46"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureHeight</span> <a name="line-47"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureDepth</span> <a name="line-48"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureBorder</span> <a name="line-49"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureRedSize</span> <a name="line-50"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureGreenSize</span> <a name="line-51"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureBlueSize</span> <a name="line-52"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureAlphaSize</span> <a name="line-53"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureIntensitySize</span> <a name="line-54"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureLuminanceSize</span> <a name="line-55"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureIndexSize</span> <a name="line-56"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DepthBits</span> <a name="line-57"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureCompressedImageSize</span> <a name="line-58"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureCompressed</span> <a name="line-59"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureSharedSize</span> <a name="line-60"></a> <a name="line-61"></a><a name="marshalTexLevelParameter"></a><span class='hs-definition'>marshalTexLevelParameter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TexLevelParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-62"></a><span class='hs-definition'>marshalTexLevelParameter</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-63"></a> <span class='hs-conid'>TextureInternalFormat</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1003</span> <a name="line-64"></a> <span class='hs-conid'>TextureWidth</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1000</span> <a name="line-65"></a> <span class='hs-conid'>TextureHeight</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1001</span> <a name="line-66"></a> <span class='hs-conid'>TextureDepth</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8071</span> <a name="line-67"></a> <span class='hs-conid'>TextureBorder</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1005</span> <a name="line-68"></a> <span class='hs-conid'>TextureRedSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x805C</span> <a name="line-69"></a> <span class='hs-conid'>TextureGreenSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x805D</span> <a name="line-70"></a> <span class='hs-conid'>TextureBlueSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x805E</span> <a name="line-71"></a> <span class='hs-conid'>TextureAlphaSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x805F</span> <a name="line-72"></a> <span class='hs-conid'>TextureIntensitySize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8061</span> <a name="line-73"></a> <span class='hs-conid'>TextureLuminanceSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8060</span> <a name="line-74"></a> <span class='hs-conid'>TextureIndexSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80ED</span> <a name="line-75"></a> <span class='hs-conid'>DepthBits</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x0D56</span> <a name="line-76"></a> <span class='hs-conid'>TextureCompressedImageSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x86A0</span> <a name="line-77"></a> <span class='hs-conid'>TextureCompressed</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x86A1</span> <a name="line-78"></a> <span class='hs-conid'>TextureSharedSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8C3F</span> <a name="line-79"></a> <a name="line-80"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-81"></a> <a name="line-82"></a><a name="TextureQuery"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Either</span> <span class='hs-conid'>TextureTarget</span> <span class='hs-conid'>CubeMapTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Level</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-varid'>a</span> <a name="line-83"></a> <a name="line-84"></a><a name="textureInternalFormat"></a><span class='hs-definition'>textureInternalFormat</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-conid'>PixelInternalFormat</span> <a name="line-85"></a><span class='hs-definition'>textureInternalFormat</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-86"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-87"></a> <span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>unmarshalPixelInternalFormat</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureInternalFormat</span> <a name="line-88"></a> <a name="line-89"></a><a name="textureSize1D"></a><span class='hs-definition'>textureSize1D</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-conid'>TextureSize1D</span> <a name="line-90"></a><span class='hs-definition'>textureSize1D</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-91"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-92"></a> <span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-layout'>(</span><span class='hs-conid'>TextureSize1D</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromIntegral</span><span class='hs-layout'>)</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureWidth</span> <a name="line-93"></a> <a name="line-94"></a><a name="textureSize2D"></a><span class='hs-definition'>textureSize2D</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-conid'>TextureSize2D</span> <a name="line-95"></a><span class='hs-definition'>textureSize2D</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-96"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-97"></a> <span class='hs-varid'>liftM2</span> <span class='hs-conid'>TextureSize2D</span> <a name="line-98"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureWidth</span> <span class='hs-layout'>)</span> <a name="line-99"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureHeight</span><span class='hs-layout'>)</span> <a name="line-100"></a> <a name="line-101"></a><a name="textureSize3D"></a><span class='hs-definition'>textureSize3D</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-conid'>TextureSize3D</span> <a name="line-102"></a><span class='hs-definition'>textureSize3D</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-103"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-104"></a> <span class='hs-varid'>liftM3</span> <span class='hs-conid'>TextureSize3D</span> <a name="line-105"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureWidth</span> <span class='hs-layout'>)</span> <a name="line-106"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureHeight</span><span class='hs-layout'>)</span> <a name="line-107"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureDepth</span> <span class='hs-layout'>)</span> <a name="line-108"></a> <a name="line-109"></a><a name="textureBorder"></a><span class='hs-definition'>textureBorder</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-conid'>Border</span> <a name="line-110"></a><span class='hs-definition'>textureBorder</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-111"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-112"></a> <span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureBorder</span> <a name="line-113"></a> <a name="line-114"></a><a name="textureRGBASizes"></a><span class='hs-definition'>textureRGBASizes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLsizei</span><span class='hs-layout'>)</span> <a name="line-115"></a><span class='hs-definition'>textureRGBASizes</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-116"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-117"></a> <span class='hs-varid'>liftM4</span> <span class='hs-conid'>Color4</span> <a name="line-118"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureRedSize</span> <span class='hs-layout'>)</span> <a name="line-119"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureGreenSize</span><span class='hs-layout'>)</span> <a name="line-120"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureBlueSize</span> <span class='hs-layout'>)</span> <a name="line-121"></a> <span class='hs-layout'>(</span><span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureAlphaSize</span><span class='hs-layout'>)</span> <a name="line-122"></a> <a name="line-123"></a><a name="textureSharedSize"></a><span class='hs-definition'>textureSharedSize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-conid'>GLsizei</span> <a name="line-124"></a><span class='hs-definition'>textureSharedSize</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-125"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-126"></a> <span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureSharedSize</span> <a name="line-127"></a> <a name="line-128"></a><a name="textureIntensitySize"></a><span class='hs-definition'>textureIntensitySize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-conid'>GLsizei</span> <a name="line-129"></a><span class='hs-definition'>textureIntensitySize</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-130"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-131"></a> <span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureIntensitySize</span> <a name="line-132"></a> <a name="line-133"></a><a name="textureLuminanceSize"></a><span class='hs-definition'>textureLuminanceSize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-conid'>GLsizei</span> <a name="line-134"></a><span class='hs-definition'>textureLuminanceSize</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-135"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-136"></a> <span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureLuminanceSize</span> <a name="line-137"></a> <a name="line-138"></a><a name="textureIndexSize"></a><span class='hs-definition'>textureIndexSize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-conid'>GLsizei</span> <a name="line-139"></a><span class='hs-definition'>textureIndexSize</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-140"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-141"></a> <span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureIndexSize</span> <a name="line-142"></a> <a name="line-143"></a><a name="textureDepthBits"></a><span class='hs-definition'>textureDepthBits</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-conid'>GLsizei</span> <a name="line-144"></a><span class='hs-definition'>textureDepthBits</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-145"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-146"></a> <span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>DepthBits</span> <a name="line-147"></a> <a name="line-148"></a><a name="textureCompressedImageSize"></a><span class='hs-definition'>textureCompressedImageSize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>GLsizei</span><span class='hs-layout'>)</span> <a name="line-149"></a><span class='hs-definition'>textureCompressedImageSize</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-150"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <a name="line-151"></a> <span class='hs-varid'>isCompressed</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>unmarshalGLboolean</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureCompressed</span> <a name="line-152"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>isCompressed</span> <a name="line-153"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromIntegral</span><span class='hs-layout'>)</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureCompressedImageSize</span> <a name="line-154"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span> <a name="line-155"></a> <a name="line-156"></a><a name="textureProxyOK"></a><span class='hs-definition'>textureProxyOK</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextureQuery</span> <span class='hs-conid'>Bool</span> <a name="line-157"></a><span class='hs-definition'>textureProxyOK</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-keyglyph'>=</span> <a name="line-158"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-159"></a> <span class='hs-varid'>getTexLevelParameteri</span> <span class='hs-varid'>unmarshalGLboolean</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-conid'>TextureWidth</span> <a name="line-160"></a> <a name="line-161"></a><a name="getTexLevelParameteri"></a><span class='hs-definition'>getTexLevelParameteri</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Either</span> <span class='hs-conid'>TextureTarget</span> <span class='hs-conid'>CubeMapTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Level</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TexLevelParameter</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <a name="line-162"></a><span class='hs-definition'>getTexLevelParameteri</span> <span class='hs-varid'>f</span> <span class='hs-varid'>proxy</span> <span class='hs-varid'>t</span> <span class='hs-varid'>level</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <a name="line-163"></a> <span class='hs-varid'>alloca</span> <span class='hs-varop'>$</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-164"></a> <span class='hs-varid'>glGetTexLevelParameteriv</span> <span class='hs-layout'>(</span><span class='hs-varid'>either</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalProxyTextureTarget</span> <span class='hs-varid'>proxy</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>proxy</span> <span class='hs-varop'>==</span> <span class='hs-conid'>Proxy</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>marshalProxyTextureTarget</span> <span class='hs-conid'>Proxy</span> <span class='hs-conid'>TextureCubeMap</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>marshalCubeMapTarget</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-varid'>level</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalTexLevelParameter</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-varid'>buf</span> <a name="line-165"></a> <span class='hs-varid'>peek1</span> <span class='hs-varid'>f</span> <span class='hs-varid'>buf</span> <a name="line-166"></a> <a name="line-167"></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'>"glGetTexLevelParameteriv"</span> <a name="line-168"></a> <span class='hs-varid'>glGetTexLevelParameteriv</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'>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> </pre></body> </html>
