compare +opengl

textureCompareFailValue :: ParameterizedTextureTarget t => t -> StateVar GLclampf
OpenGL Graphics.Rendering.OpenGL.GL.Texturing.Parameters
textureCompareMode :: ParameterizedTextureTarget t => t -> StateVar (Maybe ComparisonFunction)
OpenGL Graphics.Rendering.OpenGL.GL.Texturing.Parameters
data TextureCompareOperator
OpenGL Graphics.Rendering.OpenGL.GL.Texturing.Parameters
textureCompareOperator :: ParameterizedTextureTarget t => t -> StateVar (Maybe TextureCompareOperator)
OpenGL Graphics.Rendering.OpenGL.GL.Texturing.Parameters