1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
'''OpenGL extension ARB.texture_compression
This module customises the behaviour of the
OpenGL.raw.GL.ARB.texture_compression to provide a more
Python-friendly API
'''
from OpenGL import platform, constants, constant, arrays
from OpenGL import extensions, wrapper
from OpenGL.GL import glget
import ctypes
from OpenGL.raw.GL.ARB.texture_compression import *
### END AUTOGENERATED SECTION
from OpenGL.GL import images
for dimensions in (1,2,3):
for function in ('glCompressedTexImage%sDARB','glCompressedTexSubImage%sDARB'):
name = function%(dimensions,)
globals()[ name ] = images.compressedImageFunction(
globals()[ name ]
)
del name, function
del dimensions
if glGetCompressedTexImageARB:
def glGetCompressedTexImageARB( target, level, img=None ):
"""Retrieve a compressed texture image"""
if img is None:
length = glget.glGetTexLevelParameteriv(
target, 0,
GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB,
)
img = arrays.ArrayDataType.zeros( (length,), constants.GL_UNSIGNED_BYTE )
return glGetCompressedTexImageARB(target, 0, img);
|
