fragment_shader.py :  » Game-2D-3D » PyOpenGL » PyOpenGL-3.0.1 » OpenGL » GL » ATI » Python Open Source

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

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

Overview (from thespec import 
  
  This extension exposes a powerful fragment shading model which
  provides a very general means of expressing fragment color blending
  and dependent texture address modification.  The programming is
  a register-based model in which there is a fixed number of 
  instructions, texture lookups, read/write registers, and constants.
  
  The fragment shader extension provides a unified instruction set
  for operating on address or color data and eliminates the 
  distinction between the two.  This extension provides all the 
  interfaces necessary to fully expose this programmable fragment 
  shader in GL.
  
  Although conceived as a device-independent extension which would 
  expose the capabilities of future generations of hardware, changing 
  trends in programmable hardware have affected the lifespan of this 
  extension.  For this reason you will now find a fixed set of 
  features and resources exposed, and the queries to determine this 
  set have been deprecated.

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