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'''OpenGL extension SGIX.texture_add_env
This module customises the behaviour of the
OpenGL.raw.GL.SGIX.texture_add_env to provide a more
Python-friendly API
Overview (from the spec)
New texture environment function ADD is supported with the following
equation:
Cv = Cf + CcCt + Cb
New function may be specified by calling glTexEnv with GL_ADD token.
New parameter Cb (bias) may be specified by calling TexEnv with
TEXTURE_ENV_BIAS_SGIX token.
The official definition of this extension is available here:
http://www.opengl.org/registry/specs/SGIX/texture_add_env.txt
'''
from OpenGL import platform, constant, arrays
from OpenGL import extensions, wrapper
import ctypes
from OpenGL.raw.GL import _types, _glgets
from OpenGL.raw.GL.SGIX.texture_add_env import *
from OpenGL.raw.GL.SGIX.texture_add_env import _EXTENSION_NAME
def glInitTextureAddEnvSGIX():
'''Return boolean indicating whether this extension is available'''
from OpenGL import extensions
return extensions.hasGLExtension( _EXTENSION_NAME )
### END AUTOGENERATED SECTION
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