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'''OpenGL extension SGIS.generate_mipmap
Overview (from the spec)
This extension defines a mechanism by which OpenGL can derive the
entire set of mipmap arrays when provided with only the base level
array. Automatic mipmap generation is particularly useful when
texture images are being provided as a video stream.
The official definition of this extension is available here:
http://oss.sgi.com/projects/ogl-sample/registry/SGIS/generate_mipmap.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_SGIS_generate_mipmap'
GL_GENERATE_MIPMAP_SGIS = constant.Constant( 'GL_GENERATE_MIPMAP_SGIS', 0x8191 )
GL_GENERATE_MIPMAP_HINT_SGIS = constant.Constant( 'GL_GENERATE_MIPMAP_HINT_SGIS', 0x8192 )
glget.addGLGetConstant( GL_GENERATE_MIPMAP_HINT_SGIS, (1,) )
def glInitGenerateMipmapSGIS():
'''Return boolean indicating whether this extension is available'''
return extensions.hasGLExtension( EXTENSION_NAME )
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