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Python Open Source » Game 2D 3D » PyOpenGL 
PyOpenGL » PyOpenGL 3.0.1 » OpenGL » GL » EXT » GL_422_pixels.py
'''OpenGL extension EXT.GL_422_pixels

This module customises the behaviour of the 
OpenGL.raw.GL.EXT.GL_422_pixels to provide a more 
Python-friendly API

Overview (from thespec import 
  
  This extension provides support for converting 422 pixels in host
  memory to 444 pixels as part of the pixel storage operation.
  
  The pixel unpack storage operation treats a 422 pixel as a 2 element
  format where the first element is C (chrominance) and the second
  element is L (luminance). Luminance is present on all pixels; a full
  chrominance value requires two pixels.
  
  The pixel pack storage operation converts RGB to a 422 pixel defined as
  a 2 element format where the first element stored is C (chrominance)
  and the second element stored is L (luminance).  Luminance is present
  on all pixels; a full chrominance value requires two pixels.
  
  Both averaging and non-averaging is supported for green and blue
  assignments for pack and unpack operations.

The official definition of this extension is available here:
http://www.opengl.org/registry/specs/EXT/GL_422_pixels.txt
'''
from OpenGL import platform,constants,constant,arrays
from OpenGL import extensions,wrapper
from OpenGL.GL import glget
import ctypes
from OpenGL.raw.GL.EXT.GL_422_pixels import *
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