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'''OpenGL extension SGIX.depth_texture
Overview (from the spec)
This extension defines a new depth texture format. An important
application of depth texture images is shadow casting, but separating
this from the shadow extension allows for the potential use of depth
textures in other applications such as image-based rendering or
displacement mapping. This extension does not define new depth-texture
environment functions, such as filtering or applying the depth values
computed from a texture, but leaves this to other extensions, such as
the shadow extension.
The official definition of this extension is available here:
http://oss.sgi.com/projects/ogl-sample/registry/SGIX/depth_texture.txt
Automatically generated by the get_gl_extensions script, do not edit!
'''
from OpenGL import platform, constants, constant, arrays
from OpenGL import extensions
from OpenGL.GL import glget
import ctypes
EXTENSION_NAME = 'GL_SGIX_depth_texture'
GL_DEPTH_COMPONENT16_SGIX = constant.Constant( 'GL_DEPTH_COMPONENT16_SGIX', 0x81A5 )
GL_DEPTH_COMPONENT24_SGIX = constant.Constant( 'GL_DEPTH_COMPONENT24_SGIX', 0x81A6 )
GL_DEPTH_COMPONENT32_SGIX = constant.Constant( 'GL_DEPTH_COMPONENT32_SGIX', 0x81A7 )
def glInitDepthTextureSGIX():
'''Return boolean indicating whether this extension is available'''
return extensions.hasGLExtension( EXTENSION_NAME )
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