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<title>Graphics/Rendering/OpenGL/GL/BufferObjects.hs</title>
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<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.BufferObjects</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 2.9 (Buffer Objects) of the OpenGL 2.1</span>
<a name="line-12"></a><span class='hs-comment'>-- 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'>BufferObjects</span> <span class='hs-layout'>(</span>
<a name="line-17"></a> <span class='hs-comment'>-- * Object Names</span>
<a name="line-18"></a> <span class='hs-conid'>ObjectName</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-19"></a>
<a name="line-20"></a> <span class='hs-comment'>-- * Buffer Objects</span>
<a name="line-21"></a> <span class='hs-conid'>BufferObject</span><span class='hs-layout'>(</span><span class='hs-conid'>BufferObject</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-22"></a>
<a name="line-23"></a> <span class='hs-comment'>-- * Binding Buffer Objects</span>
<a name="line-24"></a> <span class='hs-conid'>BufferTarget</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'>bindBuffer</span><span class='hs-layout'>,</span> <span class='hs-varid'>arrayBufferBinding</span><span class='hs-layout'>,</span>
<a name="line-25"></a> <span class='hs-varid'>vertexAttribArrayBufferBinding</span><span class='hs-layout'>,</span>
<a name="line-26"></a>
<a name="line-27"></a> <span class='hs-comment'>-- * Handling Buffer Data</span>
<a name="line-28"></a> <span class='hs-conid'>BufferUsage</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'>bufferData</span><span class='hs-layout'>,</span> <span class='hs-conid'>TransferDirection</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'>bufferSubData</span><span class='hs-layout'>,</span>
<a name="line-29"></a>
<a name="line-30"></a> <span class='hs-comment'>-- * Mapping Buffer Objects</span>
<a name="line-31"></a> <span class='hs-conid'>BufferAccess</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'>MappingFailure</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'>withMappedBuffer</span><span class='hs-layout'>,</span>
<a name="line-32"></a> <span class='hs-varid'>mapBuffer</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmapBuffer</span><span class='hs-layout'>,</span>
<a name="line-33"></a> <span class='hs-varid'>bufferAccess</span><span class='hs-layout'>,</span> <span class='hs-varid'>bufferMapped</span>
<a name="line-34"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-35"></a>
<a name="line-36"></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-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Marshal</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span> <span class='hs-varid'>withArrayLen</span><span class='hs-layout'>,</span> <span class='hs-varid'>peekArray</span><span class='hs-layout'>,</span> <span class='hs-varid'>allocaArray</span> <span class='hs-layout'>)</span>
<a name="line-38"></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-39"></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><span class='hs-varid'>peek</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-40"></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-41"></a> <span class='hs-conid'>GLboolean</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLenum</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLintptr</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLuint</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLsizei</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLsizeiptr</span> <span class='hs-layout'>)</span>
<a name="line-42"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span> <span class='hs-layout'>(</span> <span class='hs-varid'>finallyRet</span> <span class='hs-layout'>)</span>
<a name="line-43"></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'>Extensions</span> <span class='hs-layout'>(</span>
<a name="line-44"></a> <span class='hs-conid'>FunPtr</span><span class='hs-layout'>,</span> <span class='hs-varid'>unsafePerformIO</span><span class='hs-layout'>,</span> <span class='hs-conid'>Invoker</span><span class='hs-layout'>,</span> <span class='hs-varid'>getProcAddress</span> <span class='hs-layout'>)</span>
<a name="line-45"></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-46"></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-47"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>QueryUtils</span> <span class='hs-layout'>(</span>
<a name="line-48"></a> <span class='hs-conid'>GetPName</span><span class='hs-layout'>(</span><span class='hs-conid'>GetArrayBufferBinding</span><span class='hs-layout'>,</span><span class='hs-conid'>GetElementArrayBufferBinding</span><span class='hs-layout'>,</span>
<a name="line-49"></a> <span class='hs-conid'>GetVertexArrayBufferBinding</span><span class='hs-layout'>,</span><span class='hs-conid'>GetNormalArrayBufferBinding</span><span class='hs-layout'>,</span>
<a name="line-50"></a> <span class='hs-conid'>GetColorArrayBufferBinding</span><span class='hs-layout'>,</span><span class='hs-conid'>GetIndexArrayBufferBinding</span><span class='hs-layout'>,</span>
<a name="line-51"></a> <span class='hs-conid'>GetTextureCoordArrayBufferBinding</span><span class='hs-layout'>,</span><span class='hs-conid'>GetEdgeFlagArrayBufferBinding</span><span class='hs-layout'>,</span>
<a name="line-52"></a> <span class='hs-conid'>GetFogCoordArrayBufferBinding</span><span class='hs-layout'>,</span><span class='hs-conid'>GetSecondaryColorArrayBufferBinding</span><span class='hs-layout'>,</span>
<a name="line-53"></a> <span class='hs-conid'>GetPixelPackBufferBinding</span><span class='hs-layout'>,</span><span class='hs-conid'>GetPixelUnpackBufferBinding</span><span class='hs-layout'>,</span>
<a name="line-54"></a> <span class='hs-conid'>GetCopyReadBuffer</span><span class='hs-layout'>,</span><span class='hs-conid'>GetCopyWriteBuffer</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-55"></a> <span class='hs-varid'>getInteger1</span><span class='hs-layout'>,</span> <span class='hs-varid'>maybeNullPtr</span><span class='hs-layout'>,</span>
<a name="line-56"></a> <span class='hs-conid'>GetVertexAttribPName</span><span class='hs-layout'>(</span><span class='hs-conid'>GetVertexAttribArrayBufferBinding</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>getVertexAttribInteger1</span> <span class='hs-layout'>)</span>
<a name="line-57"></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-58"></a> <span class='hs-conid'>GettableStateVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeGettableStateVar</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-59"></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'>VertexArrays</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ClientArrayType</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-60"></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'>AttribLocation</span> <span class='hs-layout'>)</span>
<a name="line-61"></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'>GLU</span><span class='hs-varop'>.</span><span class='hs-conid'>ErrorsInternal</span> <span class='hs-layout'>(</span> <span class='hs-varid'>recordInvalidEnum</span> <span class='hs-layout'>)</span>
<a name="line-62"></a>
<a name="line-63"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-64"></a>
<a name="line-65"></a><span class='hs-cpp'>#include "HsOpenGLExt.h"</span>
<a name="line-66"></a>
<a name="line-67"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-68"></a>
<a name="line-69"></a><span class='hs-comment'>-- | An 'ObjectName' corresponds to the general OpenGL notion of an explicitly</span>
<a name="line-70"></a><span class='hs-comment'>-- handled object name, e.g. a display list name, a texture object name, a</span>
<a name="line-71"></a><span class='hs-comment'>-- buffer object name, etc.</span>
<a name="line-72"></a>
<a name="line-73"></a><a name="ObjectName"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>ObjectName</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>where</span>
<a name="line-74"></a> <span class='hs-varid'>genObjectNames</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-75"></a> <span class='hs-varid'>deleteObjectNames</span><span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</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-76"></a> <span class='hs-varid'>isObjectName</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'>Bool</span>
<a name="line-77"></a>
<a name="line-78"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-79"></a>
<a name="line-80"></a><a name="BufferObject"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>BufferObject</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BufferObject</span> <span class='hs-layout'>{</span> <span class='hs-varid'>bufferID</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLuint</span> <span class='hs-layout'>}</span>
<a name="line-81"></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-82"></a>
<a name="line-83"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-84"></a>
<a name="line-85"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ObjectName</span> <span class='hs-conid'>BufferObject</span> <span class='hs-keyword'>where</span>
<a name="line-86"></a> <span class='hs-varid'>genObjectNames</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span>
<a name="line-87"></a> <span class='hs-varid'>allocaArray</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>buf</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-88"></a> <span class='hs-varid'>glGenBuffersARB</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>buf</span>
<a name="line-89"></a> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-conid'>BufferObject</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>peekArray</span> <span class='hs-varid'>n</span> <span class='hs-varid'>buf</span>
<a name="line-90"></a>
<a name="line-91"></a> <span class='hs-varid'>deleteObjectNames</span> <span class='hs-varid'>bufferObjects</span> <span class='hs-keyglyph'>=</span>
<a name="line-92"></a> <span class='hs-varid'>withArrayLen</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>bufferID</span> <span class='hs-varid'>bufferObjects</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-93"></a> <span class='hs-varid'>glDeleteBuffersARB</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromIntegral</span>
<a name="line-94"></a>
<a name="line-95"></a> <span class='hs-varid'>isObjectName</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>unmarshalGLboolean</span> <span class='hs-varop'>.</span> <span class='hs-varid'>glIsBufferARB</span> <span class='hs-varop'>.</span> <span class='hs-varid'>bufferID</span>
<a name="line-96"></a>
<a name="line-97"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_vertex_buffer_object or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glGenBuffersARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLuint</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-98"></a>
<a name="line-99"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_vertex_buffer_object or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glDeleteBuffersARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLuint</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-100"></a>
<a name="line-101"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_vertex_buffer_object or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glIsBufferARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLuint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>GLboolean</span><span class='hs-layout'>)</span>
<a name="line-102"></a>
<a name="line-103"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-104"></a>
<a name="line-105"></a><a name="BufferTarget"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>=</span>
<a name="line-106"></a> <span class='hs-conid'>ArrayBuffer</span>
<a name="line-107"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CopyReadBuffer</span>
<a name="line-108"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CopyWriteBuffer</span>
<a name="line-109"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ElementArrayBuffer</span>
<a name="line-110"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PixelPackBuffer</span>
<a name="line-111"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PixelUnpackBuffer</span>
<a name="line-112"></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-113"></a>
<a name="line-114"></a><a name="marshalBufferTarget"></a><span class='hs-definition'>marshalBufferTarget</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span>
<a name="line-115"></a><span class='hs-definition'>marshalBufferTarget</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-116"></a> <span class='hs-conid'>ArrayBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8892</span>
<a name="line-117"></a> <span class='hs-conid'>CopyReadBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8F36</span>
<a name="line-118"></a> <span class='hs-conid'>CopyWriteBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8F37</span>
<a name="line-119"></a> <span class='hs-conid'>ElementArrayBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8893</span>
<a name="line-120"></a> <span class='hs-conid'>PixelPackBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88eb</span>
<a name="line-121"></a> <span class='hs-conid'>PixelUnpackBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88ec</span>
<a name="line-122"></a>
<a name="line-123"></a><a name="bufferTargetToGetPName"></a><span class='hs-definition'>bufferTargetToGetPName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetPName</span>
<a name="line-124"></a><span class='hs-definition'>bufferTargetToGetPName</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-125"></a> <span class='hs-conid'>ArrayBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetArrayBufferBinding</span>
<a name="line-126"></a> <span class='hs-conid'>ElementArrayBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetElementArrayBufferBinding</span>
<a name="line-127"></a> <span class='hs-conid'>CopyReadBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetCopyReadBuffer</span>
<a name="line-128"></a> <span class='hs-conid'>CopyWriteBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetCopyWriteBuffer</span>
<a name="line-129"></a> <span class='hs-conid'>PixelPackBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetPixelPackBufferBinding</span>
<a name="line-130"></a> <span class='hs-conid'>PixelUnpackBuffer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetPixelUnpackBufferBinding</span>
<a name="line-131"></a>
<a name="line-132"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-133"></a>
<a name="line-134"></a><a name="BufferUsage"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>BufferUsage</span> <span class='hs-keyglyph'>=</span>
<a name="line-135"></a> <span class='hs-conid'>StreamDraw</span>
<a name="line-136"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>StreamRead</span>
<a name="line-137"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>StreamCopy</span>
<a name="line-138"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>StaticDraw</span>
<a name="line-139"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>StaticRead</span>
<a name="line-140"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>StaticCopy</span>
<a name="line-141"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DynamicDraw</span>
<a name="line-142"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DynamicRead</span>
<a name="line-143"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DynamicCopy</span>
<a name="line-144"></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-145"></a>
<a name="line-146"></a><a name="marshalBufferUsage"></a><span class='hs-definition'>marshalBufferUsage</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferUsage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span>
<a name="line-147"></a><span class='hs-definition'>marshalBufferUsage</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-148"></a> <span class='hs-conid'>StreamDraw</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88e0</span>
<a name="line-149"></a> <span class='hs-conid'>StreamRead</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88e1</span>
<a name="line-150"></a> <span class='hs-conid'>StreamCopy</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88e2</span>
<a name="line-151"></a> <span class='hs-conid'>StaticDraw</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88e4</span>
<a name="line-152"></a> <span class='hs-conid'>StaticRead</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88e5</span>
<a name="line-153"></a> <span class='hs-conid'>StaticCopy</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88e6</span>
<a name="line-154"></a> <span class='hs-conid'>DynamicDraw</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88e8</span>
<a name="line-155"></a> <span class='hs-conid'>DynamicRead</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88e9</span>
<a name="line-156"></a> <span class='hs-conid'>DynamicCopy</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88ea</span>
<a name="line-157"></a>
<a name="line-158"></a><a name="unmarshalBufferUsage"></a><span class='hs-definition'>unmarshalBufferUsage</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BufferUsage</span>
<a name="line-159"></a><span class='hs-definition'>unmarshalBufferUsage</span> <span class='hs-varid'>x</span>
<a name="line-160"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x88e0</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>StreamDraw</span>
<a name="line-161"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x88e1</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>StreamRead</span>
<a name="line-162"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x88e2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>StreamCopy</span>
<a name="line-163"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x88e4</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>StaticDraw</span>
<a name="line-164"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x88e5</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>StaticRead</span>
<a name="line-165"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x88e6</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>StaticCopy</span>
<a name="line-166"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x88e8</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>DynamicDraw</span>
<a name="line-167"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x88e9</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>DynamicRead</span>
<a name="line-168"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x88ea</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>DynamicCopy</span>
<a name="line-169"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-layout'>(</span><span class='hs-str'>"unmarshalBufferUsage: illegal value "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-170"></a>
<a name="line-171"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-172"></a>
<a name="line-173"></a><a name="BufferAccess"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>BufferAccess</span> <span class='hs-keyglyph'>=</span>
<a name="line-174"></a> <span class='hs-conid'>ReadOnly</span>
<a name="line-175"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>WriteOnly</span>
<a name="line-176"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ReadWrite</span>
<a name="line-177"></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-178"></a>
<a name="line-179"></a><a name="marshalBufferAccess"></a><span class='hs-definition'>marshalBufferAccess</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferAccess</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span>
<a name="line-180"></a><span class='hs-definition'>marshalBufferAccess</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-181"></a> <span class='hs-conid'>ReadOnly</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88b8</span>
<a name="line-182"></a> <span class='hs-conid'>WriteOnly</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88b9</span>
<a name="line-183"></a> <span class='hs-conid'>ReadWrite</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88ba</span>
<a name="line-184"></a>
<a name="line-185"></a><a name="unmarshalBufferAccess"></a><span class='hs-definition'>unmarshalBufferAccess</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BufferAccess</span>
<a name="line-186"></a><span class='hs-definition'>unmarshalBufferAccess</span> <span class='hs-varid'>x</span>
<a name="line-187"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x88b8</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ReadOnly</span>
<a name="line-188"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x88b9</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>WriteOnly</span>
<a name="line-189"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x88ba</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ReadWrite</span>
<a name="line-190"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-layout'>(</span><span class='hs-str'>"unmarshalBufferAccess: illegal value "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-191"></a>
<a name="line-192"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-193"></a>
<a name="line-194"></a><a name="bindBuffer"></a><span class='hs-definition'>bindBuffer</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>BufferObject</span><span class='hs-layout'>)</span>
<a name="line-195"></a><span class='hs-definition'>bindBuffer</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>getBindBuffer</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>setBindBuffer</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-196"></a>
<a name="line-197"></a><a name="getBindBuffer"></a><span class='hs-definition'>getBindBuffer</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>BufferObject</span><span class='hs-layout'>)</span>
<a name="line-198"></a><span class='hs-definition'>getBindBuffer</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bufferQuery</span> <span class='hs-varid'>bufferTargetToGetPName</span>
<a name="line-199"></a>
<a name="line-200"></a><a name="bufferQuery"></a><span class='hs-definition'>bufferQuery</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'>GetPName</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-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>BufferObject</span><span class='hs-layout'>)</span>
<a name="line-201"></a><span class='hs-definition'>bufferQuery</span> <span class='hs-varid'>func</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-202"></a> <span class='hs-varid'>buf</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInteger1</span> <span class='hs-layout'>(</span><span class='hs-conid'>BufferObject</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromIntegral</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>func</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-203"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>buf</span> <span class='hs-varop'>==</span> <span class='hs-varid'>noBufferObject</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>buf</span>
<a name="line-204"></a>
<a name="line-205"></a><a name="noBufferObject"></a><span class='hs-definition'>noBufferObject</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferObject</span>
<a name="line-206"></a><span class='hs-definition'>noBufferObject</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BufferObject</span> <span class='hs-num'>0</span>
<a name="line-207"></a>
<a name="line-208"></a><a name="setBindBuffer"></a><span class='hs-definition'>setBindBuffer</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>BufferObject</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-209"></a><span class='hs-definition'>setBindBuffer</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span>
<a name="line-210"></a> <span class='hs-varid'>glBindBufferARB</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalBufferTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>bufferID</span> <span class='hs-varop'>.</span> <span class='hs-varid'>maybe</span> <span class='hs-varid'>noBufferObject</span> <span class='hs-varid'>id</span>
<a name="line-211"></a>
<a name="line-212"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_vertex_buffer_object or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glBindBufferARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLuint</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-213"></a>
<a name="line-214"></a><a name="clientArrayTypeToGetPName"></a><span class='hs-definition'>clientArrayTypeToGetPName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ClientArrayType</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetPName</span>
<a name="line-215"></a><span class='hs-definition'>clientArrayTypeToGetPName</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-216"></a> <span class='hs-conid'>VertexArray</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetVertexArrayBufferBinding</span>
<a name="line-217"></a> <span class='hs-conid'>NormalArray</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetNormalArrayBufferBinding</span>
<a name="line-218"></a> <span class='hs-conid'>ColorArray</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetColorArrayBufferBinding</span>
<a name="line-219"></a> <span class='hs-conid'>IndexArray</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetIndexArrayBufferBinding</span>
<a name="line-220"></a> <span class='hs-conid'>TextureCoordArray</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetTextureCoordArrayBufferBinding</span>
<a name="line-221"></a> <span class='hs-conid'>EdgeFlagArray</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetEdgeFlagArrayBufferBinding</span>
<a name="line-222"></a> <span class='hs-conid'>FogCoordArray</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetFogCoordArrayBufferBinding</span>
<a name="line-223"></a> <span class='hs-conid'>SecondaryColorArray</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetSecondaryColorArrayBufferBinding</span>
<a name="line-224"></a> <span class='hs-conid'>MatrixIndexArray</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>error</span> <span class='hs-str'>"clientArrayTypeToGetPName: impossible"</span>
<a name="line-225"></a>
<a name="line-226"></a><a name="arrayBufferBinding"></a><span class='hs-definition'>arrayBufferBinding</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ClientArrayType</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>BufferObject</span><span class='hs-layout'>)</span>
<a name="line-227"></a><span class='hs-definition'>arrayBufferBinding</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span>
<a name="line-228"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>of</span>
<a name="line-229"></a> <span class='hs-conid'>MatrixIndexArray</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>recordInvalidEnum</span> <span class='hs-layout'>;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-230"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>bufferQuery</span> <span class='hs-varid'>clientArrayTypeToGetPName</span> <span class='hs-varid'>t</span>
<a name="line-231"></a>
<a name="line-232"></a>
<a name="line-233"></a><a name="vertexAttribArrayBufferBinding"></a><span class='hs-definition'>vertexAttribArrayBufferBinding</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AttribLocation</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>BufferObject</span><span class='hs-layout'>)</span>
<a name="line-234"></a><span class='hs-definition'>vertexAttribArrayBufferBinding</span> <span class='hs-varid'>location</span> <span class='hs-keyglyph'>=</span>
<a name="line-235"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-236"></a> <span class='hs-varid'>buf</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getVertexAttribInteger1</span> <span class='hs-layout'>(</span><span class='hs-conid'>BufferObject</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromIntegral</span><span class='hs-layout'>)</span> <span class='hs-varid'>location</span> <span class='hs-conid'>GetVertexAttribArrayBufferBinding</span>
<a name="line-237"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>buf</span> <span class='hs-varop'>==</span> <span class='hs-varid'>noBufferObject</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>buf</span>
<a name="line-238"></a>
<a name="line-239"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-240"></a>
<a name="line-241"></a><a name="bufferData"></a><span class='hs-definition'>bufferData</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLsizeiptr</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>BufferUsage</span><span class='hs-layout'>)</span>
<a name="line-242"></a><span class='hs-definition'>bufferData</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>getBufferData</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>setBufferData</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-243"></a>
<a name="line-244"></a><a name="getBufferData"></a><span class='hs-definition'>getBufferData</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLsizeiptr</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>BufferUsage</span><span class='hs-layout'>)</span>
<a name="line-245"></a><span class='hs-definition'>getBufferData</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-246"></a> <span class='hs-varid'>s</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getBufferParameter</span> <span class='hs-varid'>t</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-conid'>GetBufferSize</span>
<a name="line-247"></a> <span class='hs-varid'>p</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getBufferPointer</span> <span class='hs-varid'>t</span>
<a name="line-248"></a> <span class='hs-varid'>u</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getBufferParameter</span> <span class='hs-varid'>t</span> <span class='hs-varid'>unmarshalBufferUsage</span> <span class='hs-conid'>GetBufferUsage</span>
<a name="line-249"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-varid'>u</span><span class='hs-layout'>)</span>
<a name="line-250"></a>
<a name="line-251"></a><a name="setBufferData"></a><span class='hs-definition'>setBufferData</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>GLsizeiptr</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>BufferUsage</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-252"></a><span class='hs-definition'>setBufferData</span> <span class='hs-varid'>t</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-varid'>u</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-253"></a> <span class='hs-varid'>glBufferDataARB</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalBufferTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalBufferUsage</span> <span class='hs-varid'>u</span><span class='hs-layout'>)</span>
<a name="line-254"></a>
<a name="line-255"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_vertex_buffer_object or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glBufferDataARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizeiptr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-256"></a>
<a name="line-257"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-258"></a>
<a name="line-259"></a><a name="TransferDirection"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TransferDirection</span> <span class='hs-keyglyph'>=</span>
<a name="line-260"></a> <span class='hs-conid'>ReadFromBuffer</span>
<a name="line-261"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>WriteToBuffer</span>
<a name="line-262"></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-263"></a>
<a name="line-264"></a><a name="bufferSubData"></a><span class='hs-definition'>bufferSubData</span> <span class='hs-keyglyph'>::</span>
<a name="line-265"></a> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TransferDirection</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLintptr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizeiptr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</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-266"></a><span class='hs-definition'>bufferSubData</span> <span class='hs-varid'>t</span> <span class='hs-conid'>WriteToBuffer</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glBufferSubDataARB</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalBufferTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-267"></a><span class='hs-definition'>bufferSubData</span> <span class='hs-varid'>t</span> <span class='hs-conid'>ReadFromBuffer</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glGetBufferSubDataARB</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalBufferTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-268"></a>
<a name="line-269"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_vertex_buffer_object or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glBufferSubDataARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLintptr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizeiptr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</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-270"></a>
<a name="line-271"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_vertex_buffer_object or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glGetBufferSubDataARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLintptr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizeiptr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</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-272"></a>
<a name="line-273"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-274"></a>
<a name="line-275"></a><a name="GetBufferPName"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>GetBufferPName</span> <span class='hs-keyglyph'>=</span>
<a name="line-276"></a> <span class='hs-conid'>GetBufferSize</span>
<a name="line-277"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>GetBufferUsage</span>
<a name="line-278"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>GetBufferAccess</span>
<a name="line-279"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>GetBufferMapped</span>
<a name="line-280"></a>
<a name="line-281"></a><a name="marshalGetBufferPName"></a><span class='hs-definition'>marshalGetBufferPName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetBufferPName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span>
<a name="line-282"></a><span class='hs-definition'>marshalGetBufferPName</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-283"></a> <span class='hs-conid'>GetBufferSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8764</span>
<a name="line-284"></a> <span class='hs-conid'>GetBufferUsage</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8765</span>
<a name="line-285"></a> <span class='hs-conid'>GetBufferAccess</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88bb</span>
<a name="line-286"></a> <span class='hs-conid'>GetBufferMapped</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x88bc</span>
<a name="line-287"></a>
<a name="line-288"></a><a name="getBufferParameter"></a><span class='hs-definition'>getBufferParameter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</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-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetBufferPName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-289"></a><span class='hs-definition'>getBufferParameter</span> <span class='hs-varid'>t</span> <span class='hs-varid'>f</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <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-290"></a> <span class='hs-varid'>glGetBufferParameterivARB</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalBufferTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-291"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalGetBufferPName</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-varid'>buf</span>
<a name="line-292"></a> <span class='hs-varid'>peek1</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromIntegral</span><span class='hs-layout'>)</span> <span class='hs-varid'>buf</span>
<a name="line-293"></a>
<a name="line-294"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_vertex_buffer_object or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glGetBufferParameterivARB</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-conid'>GLint</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-295"></a>
<a name="line-296"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-297"></a>
<a name="line-298"></a><a name="getBufferPointer"></a><span class='hs-definition'>getBufferPointer</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-299"></a><span class='hs-definition'>getBufferPointer</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <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-300"></a> <span class='hs-comment'>-- only one pname: GL_BUFFER_MAP_POINTER</span>
<a name="line-301"></a> <span class='hs-varid'>glGetBufferPointervARB</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalBufferTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-num'>0x88bd</span> <span class='hs-varid'>buf</span>
<a name="line-302"></a> <span class='hs-varid'>peek</span> <span class='hs-varid'>buf</span>
<a name="line-303"></a>
<a name="line-304"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_vertex_buffer_object or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glGetBufferPointervARB</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-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-305"></a>
<a name="line-306"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-307"></a>
<a name="line-308"></a><a name="MappingFailure"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>MappingFailure</span> <span class='hs-keyglyph'>=</span>
<a name="line-309"></a> <span class='hs-conid'>MappingFailed</span>
<a name="line-310"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnmappingFailed</span>
<a name="line-311"></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-312"></a>
<a name="line-313"></a><a name="withMappedBuffer"></a><span class='hs-comment'>-- | Convenience function for an exception-safe combination of 'mapBuffer' and</span>
<a name="line-314"></a><span class='hs-comment'>-- 'unmapBuffer'.</span>
<a name="line-315"></a><span class='hs-definition'>withMappedBuffer</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BufferAccess</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>MappingFailure</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>b</span>
<a name="line-316"></a><span class='hs-definition'>withMappedBuffer</span> <span class='hs-varid'>t</span> <span class='hs-varid'>a</span> <span class='hs-varid'>action</span> <span class='hs-varid'>err</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-317"></a> <span class='hs-varid'>maybeBuf</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapBuffer</span> <span class='hs-varid'>t</span> <span class='hs-varid'>a</span>
<a name="line-318"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>maybeBuf</span> <span class='hs-keyword'>of</span>
<a name="line-319"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>err</span> <span class='hs-conid'>MappingFailed</span>
<a name="line-320"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>buf</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-varid'>ok</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>action</span> <span class='hs-varid'>buf</span> <span class='hs-varop'>`finallyRet`</span> <span class='hs-varid'>unmapBuffer</span> <span class='hs-varid'>t</span>
<a name="line-321"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>ok</span>
<a name="line-322"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varid'>ret</span>
<a name="line-323"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>err</span> <span class='hs-conid'>UnmappingFailed</span>
<a name="line-324"></a>
<a name="line-325"></a><a name="mapBuffer"></a><span class='hs-definition'>mapBuffer</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BufferAccess</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-326"></a><span class='hs-definition'>mapBuffer</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>maybeNullPtr</span> <span class='hs-conid'>Nothing</span> <span class='hs-conid'>Just</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>mapBuffer_</span> <span class='hs-varid'>t</span>
<a name="line-327"></a>
<a name="line-328"></a><a name="mapBuffer_"></a><span class='hs-definition'>mapBuffer_</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BufferAccess</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-329"></a><span class='hs-definition'>mapBuffer_</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glMapBufferARB</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalBufferTarget</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalBufferAccess</span>
<a name="line-330"></a>
<a name="line-331"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_vertex_buffer_object or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glMapBufferARB</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'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-332"></a>
<a name="line-333"></a><a name="unmapBuffer"></a><span class='hs-definition'>unmapBuffer</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
<a name="line-334"></a><span class='hs-definition'>unmapBuffer</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>unmarshalGLboolean</span> <span class='hs-varop'>.</span> <span class='hs-varid'>glUnmapBufferARB</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalBufferTarget</span>
<a name="line-335"></a>
<a name="line-336"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_vertex_buffer_object or OpenGL 1.5"</span><span class='hs-layout'>,</span><span class='hs-varid'>glUnmapBufferARB</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>GLboolean</span><span class='hs-layout'>)</span>
<a name="line-337"></a>
<a name="line-338"></a><a name="bufferAccess"></a><span class='hs-definition'>bufferAccess</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>BufferAccess</span>
<a name="line-339"></a><span class='hs-definition'>bufferAccess</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span>
<a name="line-340"></a> <span class='hs-varid'>getBufferParameter</span> <span class='hs-varid'>t</span> <span class='hs-varid'>unmarshalBufferAccess</span> <span class='hs-conid'>GetBufferAccess</span>
<a name="line-341"></a>
<a name="line-342"></a><a name="bufferMapped"></a><span class='hs-definition'>bufferMapped</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BufferTarget</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>Bool</span>
<a name="line-343"></a><span class='hs-definition'>bufferMapped</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span>
<a name="line-344"></a> <span class='hs-varid'>getBufferParameter</span> <span class='hs-varid'>t</span> <span class='hs-varid'>unmarshalGLboolean</span> <span class='hs-conid'>GetBufferMapped</span>
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