    {-# LANGUAGE ForeignFunctionInterface, CPP #-}
    --------------------------------------------------------------------------------
    -- |
    -- Module      :  Graphics.Rendering.OpenGL.Raw.NV.RegisterCombiners2
    -- Copyright   :  (c) Sven Panne 2009
    -- License     :  BSD-style (see the file LICENSE)
    --
    -- Maintainer  :  sven.panne@aedion.de
    -- Stability   :  stable
    -- Portability :  portable
    --
    -- All raw functions and tokens from the NV_register_combiners2 extension not
    -- already in the OpenGL 3.1 core, see
    -- <http://www.opengl.org/registry/specs/NV/register_combiners2.txt>.
    --
    --------------------------------------------------------------------------------

    module Graphics.Rendering.OpenGL.Raw.NV.RegisterCombiners2 (
       -- * Functions
       glCombinerStageParameterfv,
       glGetCombinerStageParameterfv,
       -- * Tokens
       gl_PER_STAGE_CONSTANTS,
       gl_CONSTANT_COLOR0,
       gl_CONSTANT_COLOR1,
       gl_COMBINER0,
       gl_COMBINER1,
       gl_COMBINER2,
       gl_COMBINER3,
       gl_COMBINER4,
       gl_COMBINER5,
       gl_COMBINER6,
       gl_COMBINER7
    ) where

    import Foreign.Ptr
    import Graphics.Rendering.OpenGL.Raw.Core32
    import Graphics.Rendering.OpenGL.Raw.Extensions
    import Graphics.Rendering.OpenGL.Raw.NV.RegisterCombiners

    #include "HsOpenGLRaw.h"

    extensionNameString :: String
    extensionNameString = "GL_NV_register_combiners2"

    EXTENSION_ENTRY(glCombinerStageParameterfv,GLenum -> GLenum -> Ptr GLfloat -> IO ())
    EXTENSION_ENTRY(glGetCombinerStageParameterfv,GLenum -> GLenum -> Ptr GLfloat -> IO ())

    gl_PER_STAGE_CONSTANTS :: GLenum
    gl_PER_STAGE_CONSTANTS = 0x8535