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'''OpenGL extension ARB.compressed_texture_pixel_storage
This module customises the behaviour of the
OpenGL.raw.GL.ARB.compressed_texture_pixel_storage to provide a more
Python-friendly API
Overview (from the spec)
This extension expands the functionality of the PixelStore modes
to allow UNPACK_ROW_LENGTH, UNPACK_SKIP_ROWS, UNPACK_SKIP_PIXELS,
UNPACK_IMAGE_HEIGHT and UNPACK_SKIP_IMAGES to affect the operation of
CompressedTexImage*D and CompressedTexSubImage*D. Similarly, it
also allows PACK_ROW_LENGTH, PACK_SKIP_ROWS, PACK_SKIP_PIXELS,
PACK_IMAGE_HEIGHT and PACK_SKIP_IMAGES to affect the operation of
GetCompressedTexImage*D. This allows data to be transferred
to or from a specified sub-rectangle of a larger compressed image.
This extension is designed primarily to support compressed image
formats with fixed-size blocks. To use this new mechanism, an
application should program new parameters UNPACK_COMPRESSED_BLOCK_
{WIDTH,HEIGHT,DEPTH,SIZE} to indicate the number of texels in each
dimension of the fixed-size block as well as the number of bytes
consumed by each block. These parameters, in addition to the
existing PixelStore parameters, are used to identify a collection
of bytes in client memory or a buffer object's data store to use
as compressed texture data. This operation is unlikely to have
the desired results if the client programs a block size inconsistent
with the underlying compressed image format, or if the compressed
image format has variable-sized blocks.
The official definition of this extension is available here:
http://www.opengl.org/registry/specs/ARB/compressed_texture_pixel_storage.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.ARB.compressed_texture_pixel_storage import *
from OpenGL.raw.GL.ARB.compressed_texture_pixel_storage import _EXTENSION_NAME
def glInitCompressedTexturePixelStorageARB():
'''Return boolean indicating whether this extension is available'''
from OpenGL import extensions
return extensions.hasGLExtension( _EXTENSION_NAME )
### END AUTOGENERATED SECTION
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