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<title>Graphics/Rendering/OpenGL/GL/RenderMode.hs</title>
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<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.RenderMode</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 related to the current render mode.</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'>RenderMode</span> <span class='hs-layout'>(</span>
<a name="line-17"></a> <span class='hs-conid'>RenderMode</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'>withRenderMode</span><span class='hs-layout'>,</span> <span class='hs-varid'>renderMode</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'>StateVar</span>
<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'>Exception</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'>QueryUtils</span>
<a name="line-23"></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'>Raw</span><span class='hs-varop'>.</span><span class='hs-conid'>ARB</span><span class='hs-varop'>.</span><span class='hs-conid'>Compatibility</span> <span class='hs-layout'>(</span>
<a name="line-24"></a> <span class='hs-varid'>glRenderMode</span><span class='hs-layout'>,</span> <span class='hs-varid'>gl_FEEDBACK</span><span class='hs-layout'>,</span> <span class='hs-varid'>gl_RENDER</span><span class='hs-layout'>,</span> <span class='hs-varid'>gl_SELECT</span> <span class='hs-layout'>)</span>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>Raw</span><span class='hs-varop'>.</span><span class='hs-conid'>Core31</span>
<a name="line-26"></a>
<a name="line-27"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-28"></a>
<a name="line-29"></a><a name="RenderMode"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>RenderMode</span> <span class='hs-keyglyph'>=</span>
<a name="line-30"></a> <span class='hs-conid'>Render</span>
<a name="line-31"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Feedback</span>
<a name="line-32"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Select</span>
<a name="line-33"></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-34"></a>
<a name="line-35"></a><a name="marshalRenderMode"></a><span class='hs-definition'>marshalRenderMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RenderMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span>
<a name="line-36"></a><span class='hs-definition'>marshalRenderMode</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-37"></a> <span class='hs-conid'>Render</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>gl_RENDER</span>
<a name="line-38"></a> <span class='hs-conid'>Feedback</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>gl_FEEDBACK</span>
<a name="line-39"></a> <span class='hs-conid'>Select</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>gl_SELECT</span>
<a name="line-40"></a>
<a name="line-41"></a><a name="unmarshalRenderMode"></a><span class='hs-definition'>unmarshalRenderMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RenderMode</span>
<a name="line-42"></a><span class='hs-definition'>unmarshalRenderMode</span> <span class='hs-varid'>x</span>
<a name="line-43"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-varid'>gl_RENDER</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Render</span>
<a name="line-44"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-varid'>gl_FEEDBACK</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Feedback</span>
<a name="line-45"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-varid'>gl_SELECT</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Select</span>
<a name="line-46"></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'>"unmarshalRenderMode: 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-47"></a>
<a name="line-48"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-49"></a>
<a name="line-50"></a><a name="withRenderMode"></a><span class='hs-definition'>withRenderMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RenderMode</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-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>)</span>
<a name="line-51"></a><span class='hs-definition'>withRenderMode</span> <span class='hs-varid'>newMode</span> <span class='hs-varid'>action</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-52"></a> <span class='hs-varid'>oldMode</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>get</span> <span class='hs-varid'>renderMode</span>
<a name="line-53"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>setRenderMode</span> <span class='hs-varid'>newMode</span>
<a name="line-54"></a> <span class='hs-varid'>action</span> <span class='hs-varop'>`finallyRet`</span> <span class='hs-varid'>setRenderMode</span> <span class='hs-varid'>oldMode</span>
<a name="line-55"></a>
<a name="line-56"></a><a name="setRenderMode"></a><span class='hs-definition'>setRenderMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RenderMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>GLint</span>
<a name="line-57"></a><span class='hs-definition'>setRenderMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>glRenderMode</span> <span class='hs-varop'>.</span> <span class='hs-varid'>marshalRenderMode</span>
<a name="line-58"></a>
<a name="line-59"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span>
<a name="line-60"></a>
<a name="line-61"></a><a name="renderMode"></a><span class='hs-definition'>renderMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>RenderMode</span>
<a name="line-62"></a><span class='hs-definition'>renderMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getEnum1</span> <span class='hs-varid'>unmarshalRenderMode</span> <span class='hs-conid'>GetRenderMode</span>
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