<?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/DataType.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>-- #hide</span> <a name="line-2"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-3"></a><span class='hs-comment'>-- |</span> <a name="line-4"></a><span class='hs-comment'>-- Module : Graphics.Rendering.OpenGL.GL.DataType</span> <a name="line-5"></a><span class='hs-comment'>-- Copyright : (c) Sven Panne 2002-2009</span> <a name="line-6"></a><span class='hs-comment'>-- License : BSD-style (see the file libraries/OpenGL/LICENSE)</span> <a name="line-7"></a><span class='hs-comment'>-- </span> <a name="line-8"></a><span class='hs-comment'>-- Maintainer : sven.panne@aedion.de</span> <a name="line-9"></a><span class='hs-comment'>-- Stability : stable</span> <a name="line-10"></a><span class='hs-comment'>-- Portability : portable</span> <a name="line-11"></a><span class='hs-comment'>--</span> <a name="line-12"></a><span class='hs-comment'>-- This is a purely internal module for (un-)marshaling DataType.</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'>DataType</span> <span class='hs-layout'>(</span> <a name="line-17"></a> <span class='hs-conid'>DataType</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'>marshalDataType</span><span class='hs-layout'>,</span> <span class='hs-varid'>unmarshalDataType</span> <a name="line-18"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-19"></a> <a name="line-20"></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'>GLenum</span> <span class='hs-layout'>)</span> <a name="line-21"></a> <a name="line-22"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-23"></a> <a name="line-24"></a><a name="DataType"></a><span class='hs-comment'>-- basically table 3.2 (pixel data type parameter) plus a few additions</span> <a name="line-25"></a><a name="DataType"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>DataType</span> <span class='hs-keyglyph'>=</span> <a name="line-26"></a> <span class='hs-conid'>UnsignedByte</span> <a name="line-27"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Byte</span> <a name="line-28"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedShort</span> <a name="line-29"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Short</span> <a name="line-30"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedInt</span> <a name="line-31"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Int</span> <a name="line-32"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HalfFloat</span> <a name="line-33"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Float</span> <a name="line-34"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedByte332</span> <a name="line-35"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedByte233Rev</span> <a name="line-36"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedShort565</span> <a name="line-37"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedShort565Rev</span> <a name="line-38"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedShort4444</span> <a name="line-39"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedShort4444Rev</span> <a name="line-40"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedShort5551</span> <a name="line-41"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedShort1555Rev</span> <a name="line-42"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedInt8888</span> <a name="line-43"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedInt8888Rev</span> <a name="line-44"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedInt1010102</span> <a name="line-45"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedInt2101010Rev</span> <a name="line-46"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedInt248</span> <a name="line-47"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedInt10f11f11fRev</span> <a name="line-48"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedInt5999Rev</span> <a name="line-49"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Float32UnsignedInt248Rev</span> <a name="line-50"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Bitmap</span> <span class='hs-comment'>-- pixel data, deprecated in 3.1</span> <a name="line-51"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedShort88</span> <span class='hs-comment'>-- MESA_ycbcr_texture/APPLE_ycbcr_422</span> <a name="line-52"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnsignedShort88Rev</span> <span class='hs-comment'>-- MESA_ycbcr_texture/APPLE_ycbcr_422</span> <a name="line-53"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Double</span> <span class='hs-comment'>-- vertex arrays (EXT_vertex_array, now core)</span> <a name="line-54"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TwoBytes</span> <span class='hs-comment'>-- CallLists</span> <a name="line-55"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ThreeBytes</span> <span class='hs-comment'>-- CallLists</span> <a name="line-56"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>FourBytes</span> <span class='hs-comment'>-- CallLists</span> <a name="line-57"></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-58"></a> <a name="line-59"></a><a name="marshalDataType"></a><span class='hs-definition'>marshalDataType</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DataType</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-60"></a><span class='hs-definition'>marshalDataType</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-61"></a> <span class='hs-conid'>UnsignedByte</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1401</span> <a name="line-62"></a> <span class='hs-conid'>Byte</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1400</span> <a name="line-63"></a> <span class='hs-conid'>UnsignedShort</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1403</span> <a name="line-64"></a> <span class='hs-conid'>Short</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1402</span> <a name="line-65"></a> <span class='hs-conid'>UnsignedInt</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1405</span> <a name="line-66"></a> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1404</span> <a name="line-67"></a> <span class='hs-conid'>HalfFloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x140B</span> <a name="line-68"></a> <span class='hs-conid'>Float</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1406</span> <a name="line-69"></a> <span class='hs-conid'>UnsignedByte332</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8032</span> <a name="line-70"></a> <span class='hs-conid'>UnsignedByte233Rev</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8362</span> <a name="line-71"></a> <span class='hs-conid'>UnsignedShort565</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8363</span> <a name="line-72"></a> <span class='hs-conid'>UnsignedShort565Rev</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8364</span> <a name="line-73"></a> <span class='hs-conid'>UnsignedShort4444</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8033</span> <a name="line-74"></a> <span class='hs-conid'>UnsignedShort4444Rev</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8365</span> <a name="line-75"></a> <span class='hs-conid'>UnsignedShort5551</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8034</span> <a name="line-76"></a> <span class='hs-conid'>UnsignedShort1555Rev</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8366</span> <a name="line-77"></a> <span class='hs-conid'>UnsignedInt8888</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8035</span> <a name="line-78"></a> <span class='hs-conid'>UnsignedInt8888Rev</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8367</span> <a name="line-79"></a> <span class='hs-conid'>UnsignedInt1010102</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8036</span> <a name="line-80"></a> <span class='hs-conid'>UnsignedInt2101010Rev</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8368</span> <a name="line-81"></a> <span class='hs-conid'>UnsignedInt248</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x84fa</span> <a name="line-82"></a> <span class='hs-conid'>UnsignedInt10f11f11fRev</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8C3B</span> <a name="line-83"></a> <span class='hs-conid'>UnsignedInt5999Rev</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8C3E</span> <a name="line-84"></a> <span class='hs-conid'>Float32UnsignedInt248Rev</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8DAD</span> <a name="line-85"></a> <span class='hs-conid'>Bitmap</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1a00</span> <a name="line-86"></a> <span class='hs-conid'>UnsignedShort88</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x85ba</span> <a name="line-87"></a> <span class='hs-conid'>UnsignedShort88Rev</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x85bb</span> <a name="line-88"></a> <span class='hs-conid'>Double</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x140a</span> <a name="line-89"></a> <span class='hs-conid'>TwoBytes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1407</span> <a name="line-90"></a> <span class='hs-conid'>ThreeBytes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1408</span> <a name="line-91"></a> <span class='hs-conid'>FourBytes</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x1409</span> <a name="line-92"></a> <a name="line-93"></a><a name="unmarshalDataType"></a><span class='hs-definition'>unmarshalDataType</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>DataType</span> <a name="line-94"></a><span class='hs-definition'>unmarshalDataType</span> <span class='hs-varid'>x</span> <a name="line-95"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1401</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedByte</span> <a name="line-96"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1400</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Byte</span> <a name="line-97"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1403</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedShort</span> <a name="line-98"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1402</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Short</span> <a name="line-99"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1405</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedInt</span> <a name="line-100"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1404</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Int</span> <a name="line-101"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x140B</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HalfFloat</span> <a name="line-102"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1406</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Float</span> <a name="line-103"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8032</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedByte332</span> <a name="line-104"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8362</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedByte233Rev</span> <a name="line-105"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8363</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedShort565</span> <a name="line-106"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8364</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedShort565Rev</span> <a name="line-107"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8033</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedShort4444</span> <a name="line-108"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8365</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedShort4444Rev</span> <a name="line-109"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8034</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedShort5551</span> <a name="line-110"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8366</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedShort1555Rev</span> <a name="line-111"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8035</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedInt8888</span> <a name="line-112"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8367</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedInt8888Rev</span> <a name="line-113"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8036</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedInt1010102</span> <a name="line-114"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8368</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedInt2101010Rev</span> <a name="line-115"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x84fa</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedInt248</span> <a name="line-116"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8C3B</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedInt10f11f11fRev</span> <a name="line-117"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8C3E</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedInt5999Rev</span> <a name="line-118"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x8DAD</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Float32UnsignedInt248Rev</span> <a name="line-119"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1a00</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Bitmap</span> <a name="line-120"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x85ba</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedShort88</span> <a name="line-121"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x85bb</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnsignedShort88Rev</span> <a name="line-122"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x140a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Double</span> <a name="line-123"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1407</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>TwoBytes</span> <a name="line-124"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1408</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ThreeBytes</span> <a name="line-125"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0x1409</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FourBytes</span> <a name="line-126"></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'>"unmarshalDataType: 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> </pre></body> </html>
