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llvmpipe: Handle correctly 24bit formats.

This commit is contained in:
José Fonseca 2010-02-24 14:51:47 +00:00
parent 395b335fa4
commit a9395360f2
1 changed files with 46 additions and 44 deletions
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90
src/gallium/drivers/llvmpipe/lp_tile_soa.py
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@ -76,29 +76,30 @@ def generate_format_read(format, dst_type, dst_native_type, dst_suffix):
else:
assert False
if format.layout == ARITH:
print ' %s pixel = *src_pixel++;' % src_native_type
shift = 0;
for i in range(4):
src_type = format.in_types[i]
width = src_type.size
if names[i]:
value = 'pixel'
mask = (1 << width) - 1
if shift:
value = '(%s >> %u)' % (value, shift)
if shift + width < format.block_size():
value = '(%s & 0x%x)' % (value, mask)
value = conversion_expr(src_type, dst_type, dst_native_type, value)
print ' %s %s = %s;' % (dst_native_type, names[i], value)
shift += width
elif format.layout == ARRAY:
for i in range(4):
src_type = format.in_types[i]
if names[i]:
value = '(*src_pixel++)'
value = conversion_expr(src_type, dst_type, dst_native_type, value)
print ' %s %s = %s;' % (dst_native_type, names[i], value)
if format.layout in (ARITH, ARRAY):
if not format.is_array():
print ' %s pixel = *src_pixel++;' % src_native_type
shift = 0;
for i in range(4):
src_type = format.in_types[i]
width = src_type.size
if names[i]:
value = 'pixel'
mask = (1 << width) - 1
if shift:
value = '(%s >> %u)' % (value, shift)
if shift + width < format.block_size():
value = '(%s & 0x%x)' % (value, mask)
value = conversion_expr(src_type, dst_type, dst_native_type, value)
print ' %s %s = %s;' % (dst_native_type, names[i], value)
shift += width
else:
for i in range(4):
src_type = format.in_types[i]
if names[i]:
value = '(*src_pixel++)'
value = conversion_expr(src_type, dst_type, dst_native_type, value)
print ' %s %s = %s;' % (dst_native_type, names[i], value)
else:
assert False
@ -222,27 +223,28 @@ def emit_tile_pixel_write_code(format, src_type):
print ' %s *dst_pixel = (%s *)(dst_row + x0*%u);' % (dst_native_type, dst_native_type, format.stride())
print ' for (x = 0; x < w; ++x) {'
if format.layout == ARITH:
print ' %s pixel = 0;' % dst_native_type
shift = 0;
for i in range(4):
dst_type = format.in_types[i]
width = dst_type.size
if inv_swizzle[i] is not None:
value = 'TILE_PIXEL(src, x, y, %u)' % inv_swizzle[i]
value = conversion_expr(src_type, dst_type, dst_native_type, value)
if shift:
value = '(%s << %u)' % (value, shift)
print ' pixel |= %s;' % value
shift += width
print ' *dst_pixel++ = pixel;'
elif format.layout == ARRAY:
for i in range(4):
dst_type = format.in_types[i]
if inv_swizzle[i] is not None:
value = 'TILE_PIXEL(src, x, y, %u)' % inv_swizzle[i]
value = conversion_expr(src_type, dst_type, dst_native_type, value)
print ' *dst_pixel++ = %s;' % value
if format.layout in (ARITH, ARRAY):
if not format.is_array():
print ' %s pixel = 0;' % dst_native_type
shift = 0;
for i in range(4):
dst_type = format.in_types[i]
width = dst_type.size
if inv_swizzle[i] is not None:
value = 'TILE_PIXEL(src, x, y, %u)' % inv_swizzle[i]
value = conversion_expr(src_type, dst_type, dst_native_type, value)
if shift:
value = '(%s << %u)' % (value, shift)
print ' pixel |= %s;' % value
shift += width
print ' *dst_pixel++ = pixel;'
else:
for i in range(4):
dst_type = format.in_types[i]
if inv_swizzle[i] is not None:
value = 'TILE_PIXEL(src, x, y, %u)' % inv_swizzle[i]
value = conversion_expr(src_type, dst_type, dst_native_type, value)
print ' *dst_pixel++ = %s;' % value
else:
assert False