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llvmpipe: Fix (un)swizzling, broken due to use of VOID channels.

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This commit is contained in:
José Fonseca
2010-04-01 11:31:03 +01:00
parent bef912abd3
commit 898ddd6b00
1 changed files with 10 additions and 2 deletions
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src/gallium/drivers/llvmpipe/lp_tile_soa.py
+10 -2
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@@ -94,12 +94,17 @@ def generate_format_read(format, dst_channel, dst_native_type, dst_suffix):
print ' %s %s = %s;' % (dst_native_type, names[i], value)
shift += width
else:
for i in range(4):
if names[i]:
print ' %s %s;' % (dst_native_type, names[i])
for i in range(4):
src_channel = format.channels[i]
if names[i]:
value = '(*src_pixel++)'
value = conversion_expr(src_channel, dst_channel, dst_native_type, value, clamp=False)
print ' %s %s = %s;' % (dst_native_type, names[i], value)
print ' %s = %s;' % (names[i], value)
elif src_channel.size:
print ' ++src_pixel;'
else:
assert False
@@ -230,6 +235,8 @@ def emit_tile_pixel_write_code(format, src_channel):
value = 'TILE_PIXEL(src, x, y, %u)' % inv_swizzle[i]
value = conversion_expr(src_channel, dst_channel, dst_native_type, value, clamp=False)
print ' *dst_pixel++ = %s;' % value
else:
print ' ++dst_pixel;'
else:
assert False
@@ -251,7 +258,8 @@ def generate_format_write(format, src_channel, src_native_type, src_suffix):
and format.block_size() <= 32 \
and format.is_pot() \
and not format.is_mixed() \
and format.channels[0].type == UNSIGNED:
and (format.channels[0].type == UNSIGNED \
or format.channels[1].type == UNSIGNED):
emit_unrolled_write_code(format, src_channel)
else:
emit_tile_pixel_write_code(format, src_channel)