from ctypes import c_void_p
import OpenGL.GL as GL
import OpenGL.GL.ARB.vertex_array_object as GLARBVAO
for name in dir(GLARBVAO):
GL.__setattr__(name, GLARBVAO.__getattribute__(name))
from OpenGL.GL.shaders import compileShader, compileProgram
import pygame
from pygame.locals import *
import numpy as N
null = c_void_p(0)
# This is lame. What's the right way to get the sizeof(GLfloat) ?
# Tried sys.getsizeof(GLfloat), sys.getsizeof(GLfloat()),
# GLfloat().__sizeof__(). All give different wrong answers (size of python
# objects, not of underlying C 'float' type)
sizeOfFloat = 4
# Three vertices, with an x,y,z & w for each.
vertexData = N.array([
0.25, 0.25, 0.75, 1.0,
0.25, -0.25, 0.75, 1.0,
-0.25, 0.25, 0.75, 1.0,
0.25, -0.25, 0.75, 1.0,
