<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Graphics.Rendering.OpenGL.GL.Texturing.Environments</title><link href="ocean.css" rel="stylesheet" type="text/css" title="Ocean" /><script src="haddock-util.js" type="text/javascript"></script><script type="text/javascript">//<![CDATA[
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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html">Source</a></li><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">OpenGL-2.2.3.0: A binding for the OpenGL graphics system</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Portability</th><td>portable</td></tr><tr><th>Stability</th><td>stable</td></tr><tr><th>Maintainer</th><td>sven.panne@aedion.de</td></tr></table><p class="caption">Graphics.Rendering.OpenGL.GL.Texturing.Environments</p></div><div id="description"><p class="caption">Description</p><div class="doc"><p>This module corresponds to section 3.8.13 (Texture Environments and Texture
Functions) of the OpenGL 2.1 specs.
</p></div></div><div id="interface"><h1>Documentation</h1><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:TextureFunction" class="def">TextureFunction</a> <a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#TextureFunction" class="link">Source</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:Modulate" class="def">Modulate</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Decal" class="def">Decal</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Blend" class="def">Blend</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Replace" class="def">Replace</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:AddUnsigned" class="def">AddUnsigned</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Combine" class="def">Combine</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Combine4" class="def">Combine4</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:TextureFunction" class="caption collapser" onclick="toggleSection('i:TextureFunction')">Instances</p><div id="section.i:TextureFunction" class="show"><table><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Eq.html#t:Eq">Eq</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:TextureFunction">TextureFunction</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Ord.html#t:Ord">Ord</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:TextureFunction">TextureFunction</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Text-Show.html#t:Show">Show</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:TextureFunction">TextureFunction</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><a name="v:textureFunction" class="def">textureFunction</a> :: <a href="Graphics-Rendering-OpenGL-GL-StateVar.html#t:StateVar">StateVar</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:TextureFunction">TextureFunction</a><a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#textureFunction" class="link">Source</a></p></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:TextureCombineFunction" class="def">TextureCombineFunction</a> <a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#TextureCombineFunction" class="link">Source</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:Replace-39-" class="def">Replace'</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Modulate-39-" class="def">Modulate'</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:AddUnsigned-39-" class="def">AddUnsigned'</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:AddSigned" class="def">AddSigned</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Interpolate" class="def">Interpolate</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Subtract" class="def">Subtract</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Dot3RGB" class="def">Dot3RGB</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Dot3RGBA" class="def">Dot3RGBA</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:TextureCombineFunction" class="caption collapser" onclick="toggleSection('i:TextureCombineFunction')">Instances</p><div id="section.i:TextureCombineFunction" class="show"><table><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Eq.html#t:Eq">Eq</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:TextureCombineFunction">TextureCombineFunction</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Ord.html#t:Ord">Ord</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:TextureCombineFunction">TextureCombineFunction</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Text-Show.html#t:Show">Show</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:TextureCombineFunction">TextureCombineFunction</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><a name="v:combineRGB" class="def">combineRGB</a> :: <a href="Graphics-Rendering-OpenGL-GL-StateVar.html#t:StateVar">StateVar</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:TextureCombineFunction">TextureCombineFunction</a><a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#combineRGB" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:combineAlpha" class="def">combineAlpha</a> :: <a href="Graphics-Rendering-OpenGL-GL-StateVar.html#t:StateVar">StateVar</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:TextureCombineFunction">TextureCombineFunction</a><a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#combineAlpha" class="link">Source</a></p></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:ArgNum" class="def">ArgNum</a> <a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#ArgNum" class="link">Source</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:Arg0" class="def">Arg0</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Arg1" class="def">Arg1</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Arg2" class="def">Arg2</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Arg3" class="def">Arg3</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:ArgNum" class="caption collapser" onclick="toggleSection('i:ArgNum')">Instances</p><div id="section.i:ArgNum" class="show"><table><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Eq.html#t:Eq">Eq</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:ArgNum">ArgNum</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Ord.html#t:Ord">Ord</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:ArgNum">ArgNum</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Text-Show.html#t:Show">Show</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:ArgNum">ArgNum</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:Arg" class="def">Arg</a> <a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#Arg" class="link">Source</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:Arg" class="def">Arg</a> <a href="Graphics-Rendering-OpenGL-GL-PerFragment.html#t:BlendingFactor">BlendingFactor</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:Src">Src</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:Arg" class="caption collapser" onclick="toggleSection('i:Arg')">Instances</p><div id="section.i:Arg" class="show"><table><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Eq.html#t:Eq">Eq</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:Arg">Arg</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Ord.html#t:Ord">Ord</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:Arg">Arg</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Text-Show.html#t:Show">Show</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:Arg">Arg</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:Src" class="def">Src</a> <a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#Src" class="link">Source</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:CurrentUnit" class="def">CurrentUnit</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Previous" class="def">Previous</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Crossbar" class="def">Crossbar</a> <a href="Graphics-Rendering-OpenGL-GL-VertexSpec.html#t:TextureUnit">TextureUnit</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:Constant" class="def">Constant</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:PrimaryColor" class="def">PrimaryColor</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:Src" class="caption collapser" onclick="toggleSection('i:Src')">Instances</p><div id="section.i:Src" class="show"><table><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Eq.html#t:Eq">Eq</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:Src">Src</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Ord.html#t:Ord">Ord</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:Src">Src</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Text-Show.html#t:Show">Show</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:Src">Src</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><a name="v:argRGB" class="def">argRGB</a> :: <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:ArgNum">ArgNum</a> -> <a href="Graphics-Rendering-OpenGL-GL-StateVar.html#t:StateVar">StateVar</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:Arg">Arg</a><a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#argRGB" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:argAlpha" class="def">argAlpha</a> :: <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:ArgNum">ArgNum</a> -> <a href="Graphics-Rendering-OpenGL-GL-StateVar.html#t:StateVar">StateVar</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#t:Arg">Arg</a><a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#argAlpha" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:rgbScale" class="def">rgbScale</a> :: <a href="Graphics-Rendering-OpenGL-GL-StateVar.html#t:StateVar">StateVar</a> <a href="Graphics-Rendering-OpenGL-GL-BasicTypes.html#t:GLfloat">GLfloat</a><a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#rgbScale" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:alphaScale" class="def">alphaScale</a> :: <a href="Graphics-Rendering-OpenGL-GL-StateVar.html#t:StateVar">StateVar</a> <a href="Graphics-Rendering-OpenGL-GL-BasicTypes.html#t:GLfloat">GLfloat</a><a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#alphaScale" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:constantColor" class="def">constantColor</a> :: <a href="Graphics-Rendering-OpenGL-GL-StateVar.html#t:StateVar">StateVar</a> (<a href="Graphics-Rendering-OpenGL-GL-VertexSpec.html#t:Color4">Color4</a> <a href="Graphics-Rendering-OpenGL-GL-BasicTypes.html#t:GLfloat">GLfloat</a>)<a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#constantColor" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:textureUnitLODBias" class="def">textureUnitLODBias</a> :: <a href="Graphics-Rendering-OpenGL-GL-StateVar.html#t:StateVar">StateVar</a> <a href="Graphics-Rendering-OpenGL-GL-Texturing-Parameters.html#t:LOD">LOD</a><a href="src/Graphics-Rendering-OpenGL-GL-Texturing-Environments.html#textureUnitLODBias" class="link">Source</a></p></div></div></div><div id="footer"><p>Produced by <a 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