<?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/SavingState.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.SavingState</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 6.1.14 (Saving and Restoring State) of the</span> <a name="line-12"></a><span class='hs-comment'>-- OpenGL 2.1 specs.</span> <a name="line-13"></a><span class='hs-comment'>--</span> <a name="line-14"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-15"></a> <a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>SavingState</span> <span class='hs-layout'>(</span> <a name="line-17"></a> <span class='hs-conid'>ServerAttributeGroup</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'>preservingAttrib</span><span class='hs-layout'>,</span> <a name="line-18"></a> <span class='hs-conid'>ClientAttributeGroup</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'>preservingClientAttrib</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'>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'>GLbitfield</span> <span class='hs-layout'>)</span> <a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span> <span class='hs-layout'>(</span> <span class='hs-varid'>bracket_</span> <span class='hs-layout'>)</span> <a name="line-23"></a> <a name="line-24"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-25"></a> <a name="line-26"></a><a name="ServerAttributeGroup"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ServerAttributeGroup</span> <span class='hs-keyglyph'>=</span> <a name="line-27"></a> <span class='hs-conid'>CurrentAttributes</span> <a name="line-28"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PointAttributes</span> <a name="line-29"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>LineAttributes</span> <a name="line-30"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PolygonAttributes</span> <a name="line-31"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PolygonStippleAttributes</span> <a name="line-32"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PixelModeAttributes</span> <a name="line-33"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>LightingAttributes</span> <a name="line-34"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>FogAttributes</span> <a name="line-35"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DepthBufferAttributes</span> <a name="line-36"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AccumBufferAttributes</span> <a name="line-37"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>StencilBufferAttributes</span> <a name="line-38"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ViewportAttributes</span> <a name="line-39"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TransformAttributes</span> <a name="line-40"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>EnableAttributes</span> <a name="line-41"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ColorBufferAttributes</span> <a name="line-42"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HintAttributes</span> <a name="line-43"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>EvalAttributes</span> <a name="line-44"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ListAttributes</span> <a name="line-45"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureAttributes</span> <a name="line-46"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ScissorAttributes</span> <a name="line-47"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MultisampleAttributes</span> <a name="line-48"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AllServerAttributes</span> <a name="line-49"></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-50"></a> <a name="line-51"></a><a name="marshalServerAttributeGroup"></a><span class='hs-definition'>marshalServerAttributeGroup</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ServerAttributeGroup</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLbitfield</span> <a name="line-52"></a><span class='hs-definition'>marshalServerAttributeGroup</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-53"></a> <span class='hs-conid'>CurrentAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1</span> <a name="line-54"></a> <span class='hs-conid'>PointAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2</span> <a name="line-55"></a> <span class='hs-conid'>LineAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x4</span> <a name="line-56"></a> <span class='hs-conid'>PolygonAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8</span> <a name="line-57"></a> <span class='hs-conid'>PolygonStippleAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x10</span> <a name="line-58"></a> <span class='hs-conid'>PixelModeAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x20</span> <a name="line-59"></a> <span class='hs-conid'>LightingAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x40</span> <a name="line-60"></a> <span class='hs-conid'>FogAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80</span> <a name="line-61"></a> <span class='hs-conid'>DepthBufferAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x100</span> <a name="line-62"></a> <span class='hs-conid'>AccumBufferAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x200</span> <a name="line-63"></a> <span class='hs-conid'>StencilBufferAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x400</span> <a name="line-64"></a> <span class='hs-conid'>ViewportAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x800</span> <a name="line-65"></a> <span class='hs-conid'>TransformAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1000</span> <a name="line-66"></a> <span class='hs-conid'>EnableAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2000</span> <a name="line-67"></a> <span class='hs-conid'>ColorBufferAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x4000</span> <a name="line-68"></a> <span class='hs-conid'>HintAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8000</span> <a name="line-69"></a> <span class='hs-conid'>EvalAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x10000</span> <a name="line-70"></a> <span class='hs-conid'>ListAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x20000</span> <a name="line-71"></a> <span class='hs-conid'>TextureAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x40000</span> <a name="line-72"></a> <span class='hs-conid'>ScissorAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80000</span> <a name="line-73"></a> <span class='hs-conid'>MultisampleAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x20000000</span> <a name="line-74"></a> <span class='hs-conid'>AllServerAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xffffffff</span> <a name="line-75"></a> <a name="line-76"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-77"></a> <a name="line-78"></a><a name="preservingAttrib"></a><span class='hs-definition'>preservingAttrib</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>ServerAttributeGroup</span><span class='hs-keyglyph'>]</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-79"></a><span class='hs-definition'>preservingAttrib</span> <span class='hs-varid'>groups</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bracket_</span> <span class='hs-layout'>(</span><span class='hs-varid'>pushAttrib</span> <span class='hs-varid'>groups</span><span class='hs-layout'>)</span> <span class='hs-varid'>glPopAttrib</span> <a name="line-80"></a> <a name="line-81"></a><a name="pushAttrib"></a><span class='hs-definition'>pushAttrib</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>ServerAttributeGroup</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-82"></a><span class='hs-definition'>pushAttrib</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glPushAttrib</span> <span class='hs-varop'>.</span> <span class='hs-varid'>sum</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>marshalServerAttributeGroup</span> <a name="line-83"></a> <a name="line-84"></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'>"glPushAttrib"</span> <a name="line-85"></a> <span class='hs-varid'>glPushAttrib</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLbitfield</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-86"></a> <a name="line-87"></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'>"glPopAttrib"</span> <a name="line-88"></a> <span class='hs-varid'>glPopAttrib</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-89"></a> <a name="line-90"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-91"></a> <a name="line-92"></a><a name="ClientAttributeGroup"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ClientAttributeGroup</span> <span class='hs-keyglyph'>=</span> <a name="line-93"></a> <span class='hs-conid'>PixelStoreAttributes</span> <a name="line-94"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>VertexArrayAttributes</span> <a name="line-95"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AllClientAttributes</span> <a name="line-96"></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-97"></a> <a name="line-98"></a><a name="marshalClientAttributeGroup"></a><span class='hs-definition'>marshalClientAttributeGroup</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ClientAttributeGroup</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLbitfield</span> <a name="line-99"></a><span class='hs-definition'>marshalClientAttributeGroup</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-100"></a> <span class='hs-conid'>PixelStoreAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1</span> <a name="line-101"></a> <span class='hs-conid'>VertexArrayAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x2</span> <a name="line-102"></a> <span class='hs-conid'>AllClientAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xffffffff</span> <a name="line-103"></a> <a name="line-104"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-105"></a> <a name="line-106"></a><a name="preservingClientAttrib"></a><span class='hs-definition'>preservingClientAttrib</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>ClientAttributeGroup</span><span class='hs-keyglyph'>]</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-107"></a><span class='hs-definition'>preservingClientAttrib</span> <span class='hs-varid'>groups</span> <span class='hs-keyglyph'>=</span> <a name="line-108"></a> <span class='hs-varid'>bracket_</span> <span class='hs-layout'>(</span><span class='hs-varid'>pushClientAttrib</span> <span class='hs-varid'>groups</span><span class='hs-layout'>)</span> <span class='hs-varid'>glPopClientAttrib</span> <a name="line-109"></a> <a name="line-110"></a><a name="pushClientAttrib"></a><span class='hs-definition'>pushClientAttrib</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>ClientAttributeGroup</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-111"></a><span class='hs-definition'>pushClientAttrib</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glPushClientAttrib</span> <span class='hs-varop'>.</span> <span class='hs-varid'>sum</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>marshalClientAttributeGroup</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'>"glPushClientAttrib"</span> <a name="line-114"></a> <span class='hs-varid'>glPushClientAttrib</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLbitfield</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'>"glPopClientAttrib"</span> <a name="line-117"></a> <span class='hs-varid'>glPopClientAttrib</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> </pre></body> </html>
