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

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

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

Overview (from thespec import 
  
  This extension adds a color lookup table to the texture mechanism.
  The table is applied to the filtered result of a texture lookup,
  before that result is used in the texture environment equations.
  
  The definition and application of the texture color table are
  similar to those of the color tables defined in SGI_color_table,
  though it is not necessary for that extension to be implemented.
  
  Texture color tables can be used to expand luminance or intensity
  textures to full RGBA, and also to linearize the results of color
  space conversions implemented by multidimensional texture table
  lookup.
  
  This specification has been updated to define its interaction with
  multitexture.

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