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'''OpenGL extension EXT.subtexture
Overview (from the spec)
This extension allows a contiguous portion of an already-existing
texture image to be redefined, without affecting the remaining portion
of the image, or any of the other state that describe the texture. No
provision is made to query a subregion of a texture.
Semantics for null image pointers are defined for TexImage1D,
TexImage2D, and TexImage3DEXT. Null image pointers can be used by
applications to effectively support texture arrays whose dimensions
are not a power of 2.
The official definition of this extension is available here:
http://oss.sgi.com/projects/ogl-sample/registry/EXT/subtexture.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_EXT_subtexture'
glTexSubImage1DEXT = platform.createExtensionFunction(
'glTexSubImage1DEXT', dll=platform.GL,
extension=EXTENSION_NAME,
resultType=None,
argTypes=(constants.GLenum, constants.GLint, constants.GLint, constants.GLsizei, constants.GLenum, constants.GLenum, ctypes.c_void_p,),
doc = 'glTexSubImage1DEXT( GLenum(target), GLint(level), GLint(xoffset), GLsizei(width), GLenum(format), GLenum(type), c_void_p(pixels) ) -> None',
argNames = ('target', 'level', 'xoffset', 'width', 'format', 'type', 'pixels',),
)
glTexSubImage2DEXT = platform.createExtensionFunction(
'glTexSubImage2DEXT', dll=platform.GL,
extension=EXTENSION_NAME,
resultType=None,
argTypes=(constants.GLenum, constants.GLint, constants.GLint, constants.GLint, constants.GLsizei, constants.GLsizei, constants.GLenum, constants.GLenum, ctypes.c_void_p,),
doc = 'glTexSubImage2DEXT( GLenum(target), GLint(level), GLint(xoffset), GLint(yoffset), GLsizei(width), GLsizei(height), GLenum(format), GLenum(type), c_void_p(pixels) ) -> None',
argNames = ('target', 'level', 'xoffset', 'yoffset', 'width', 'height', 'format', 'type', 'pixels',),
)
def glInitSubtextureEXT():
'''Return boolean indicating whether this extension is available'''
return extensions.hasGLExtension( EXTENSION_NAME )
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