Function(CGLError, "CGLDestroyPixelFormat", [(CGLPixelFormatObj, "pix")]),
Function(CGLError, "CGLDescribePixelFormat", [(CGLPixelFormatObj, "pix"), (GLint, "pix_num"), (CGLPixelFormatAttribute, "attrib"), Out(Pointer(GLint), "value")]),
Function(Void, "CGLReleasePixelFormat", [(CGLPixelFormatObj, "pix")]),
Function(CGLError, "CGLDestroyPixelFormat", [(CGLPixelFormatObj, "pix")]),
Function(CGLError, "CGLDescribePixelFormat", [(CGLPixelFormatObj, "pix"), (GLint, "pix_num"), (CGLPixelFormatAttribute, "attrib"), Out(Pointer(GLint), "value")]),
Function(Void, "CGLReleasePixelFormat", [(CGLPixelFormatObj, "pix")]),