    {-# LANGUAGE ForeignFunctionInterface, CPP #-}
    --------------------------------------------------------------------------------
    -- |
    -- Module      :  Graphics.Rendering.OpenGL.Raw.EXT.BindableUniform
    -- 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 EXT_bindable_uniform extension not
    -- already in the OpenGL 3.1 core, see
    -- <http://www.opengl.org/registry/specs/EXT/bindable_uniform.txt>.
    --
    --------------------------------------------------------------------------------

    module Graphics.Rendering.OpenGL.Raw.EXT.BindableUniform (
       -- * Functions
       glUniformBuffer,
       glGetUniformBufferSize,
       glGetUniformOffset,
       -- * Tokens
       gl_MAX_VERTEX_BINDABLE_UNIFORMS,
       gl_MAX_FRAGMENT_BINDABLE_UNIFORMS,
       gl_MAX_GEOMETRY_BINDABLE_UNIFORMS,
       gl_MAX_BINDABLE_UNIFORM_SIZE,
       gl_UNIFORM_BUFFER_BINDING_EXT,
       gl_UNIFORM_BUFFER_EXT
    ) where

    import Graphics.Rendering.OpenGL.Raw.Core32
    import Graphics.Rendering.OpenGL.Raw.Extensions

    #include "HsOpenGLRaw.h"

    extensionNameString :: String
    extensionNameString = "GL_EXT_bindable_uniform"

    EXTENSION_ENTRY(glUniformBuffer,GLuint -> GLint -> GLuint -> IO ())
    EXTENSION_ENTRY(glGetUniformBufferSize,GLuint -> GLint -> IO GLint)
    EXTENSION_ENTRY(glGetUniformOffset,GLuint -> GLint -> IO GLintptr)

    gl_MAX_VERTEX_BINDABLE_UNIFORMS :: GLenum
    gl_MAX_VERTEX_BINDABLE_UNIFORMS = 0x8DE2

    gl_MAX_FRAGMENT_BINDABLE_UNIFORMS :: GLenum
    gl_MAX_FRAGMENT_BINDABLE_UNIFORMS = 0x8DE3

    gl_MAX_GEOMETRY_BINDABLE_UNIFORMS :: GLenum
    gl_MAX_GEOMETRY_BINDABLE_UNIFORMS = 0x8DE4

    gl_MAX_BINDABLE_UNIFORM_SIZE :: GLenum
    gl_MAX_BINDABLE_UNIFORM_SIZE = 0x8DED

    -- | NOTE: The OpenGL 3.1 core has the same token with a different value, so we
    -- use a suffix here.
    gl_UNIFORM_BUFFER_BINDING_EXT :: GLenum
    gl_UNIFORM_BUFFER_BINDING_EXT = 0x8DEF

    -- | NOTE: The OpenGL 3.1 core has the same token with a different value, so we
    -- use a suffix here.
    gl_UNIFORM_BUFFER_EXT :: GLenum
    gl_UNIFORM_BUFFER_EXT = 0x8DEE