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python/retrace: Cope with python 2.4.x

This commit is contained in:
José Fonseca 2009-02-20 15:02:19 +00:00
parent 7887a3e42b
commit 204526a6d2
1 changed files with 11 additions and 3 deletions
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14
src/gallium/state_trackers/python/retrace/interpreter.py
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@ -35,6 +35,14 @@ import model
import parser
try:
from struct import unpack_from
except ImportError:
def unpack_from(fmt, buf, offset=0):
size = struct.calcsize(fmt)
return struct.unpack(fmt, buf[offset:offset + size])
def make_image(surface):
pixels = gallium.FloatArray(surface.height*surface.width*4)
surface.get_tile_rgba(0, 0, surface.width, surface.height, pixels)
@ -383,7 +391,7 @@ class Context(Object):
format = '4f'
index = 0
for offset in range(0, len(data), struct.calcsize(format)):
x, y, z, w = struct.unpack_from(format, data, offset)
x, y, z, w = unpack_from(format, data, offset)
sys.stdout.write('\tCONST[%2u] = {%10.4f, %10.4f, %10.4f, %10.4f}\n' % (index, x, y, z, w))
index += 1
@ -454,7 +462,7 @@ class Context(Object):
}[velem.src_format]
data = vbuf.buffer.read()
values = struct.unpack_from(format, data, offset)
values = unpack_from(format, data, offset)
sys.stdout.write('\t\t{' + ', '.join(map(str, values)) + '},\n')
assert len(values) == velem.nr_components
sys.stdout.write('\t},\n')
@ -477,7 +485,7 @@ class Context(Object):
sys.stdout.write('\t...\n')
break
offset = i*isize
index, = struct.unpack_from(format, data, offset)
index, = unpack_from(format, data, offset)
sys.stdout.write('\t\t%u,\n' % index)
minindex = min(minindex, index)
maxindex = max(maxindex, index)