diff options
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r-- | src/gallium/auxiliary/util/u_format_pack.py | 77 |
1 files changed, 58 insertions, 19 deletions
diff --git a/src/gallium/auxiliary/util/u_format_pack.py b/src/gallium/auxiliary/util/u_format_pack.py index b49039db39b..409d024c637 100644 --- a/src/gallium/auxiliary/util/u_format_pack.py +++ b/src/gallium/auxiliary/util/u_format_pack.py @@ -418,31 +418,70 @@ def generate_format_pack(format, src_channel, src_native_type, src_suffix): dst_native_type = native_type(format) + assert format.layout == PLAIN + + inv_swizzle = format.inv_swizzles() + print 'static INLINE void' print 'util_format_%s_pack_%s(void *dst, %s r, %s g, %s b, %s a)' % (name, src_suffix, src_native_type, src_native_type, src_native_type, src_native_type) print '{' - print ' union util_format_%s pixel;' % format.short_name() - - assert format.layout == PLAIN + + if format.is_bitmask(): + depth = format.block_size() + print ' uint%u_t value = 0;' % depth - inv_swizzle = format.inv_swizzles() + shift = 0 + for i in range(4): + dst_channel = format.channels[i] + if inv_swizzle[i] is not None: + value = 'rgba'[inv_swizzle[i]] + value = conversion_expr(src_channel, dst_channel, dst_native_type, value) + if format.colorspace == ZS: + if i == 3: + value = get_one(dst_channel) + elif i >= 1: + value = '0' + if dst_channel.type in (UNSIGNED, SIGNED): + if shift + dst_channel.size < depth: + value = '(%s) & 0x%x' % (value, (1 << dst_channel.size) - 1) + if shift: + value = '(%s) << %u' % (value, shift) + if dst_channel.type == SIGNED: + # Cast to unsigned + value = '(uint%u_t)(%s) ' % (depth, value) + else: + value = None + if value is not None: + print ' value |= %s;' % (value) + + shift += dst_channel.size - for i in range(4): - dst_channel = format.channels[i] - width = dst_channel.size - if inv_swizzle[i] is None: - continue - value = 'rgba'[inv_swizzle[i]] - value = conversion_expr(src_channel, dst_channel, dst_native_type, value) - if format.colorspace == ZS: - if i == 3: - value = get_one(dst_channel) - elif i >= 1: - value = '0' - print ' pixel.chan.%s = %s;' % (dst_channel.name, value) + print '#ifdef PIPE_ARCH_BIG_ENDIAN' + print ' value = util_bswap%u(value);' % depth + print '#endif' + + print ' *(uint%u_t *)dst = value;' % depth - bswap_format(format) - print ' memcpy(dst, &pixel, sizeof pixel);' + else: + print ' union util_format_%s pixel;' % format.short_name() + + for i in range(4): + dst_channel = format.channels[i] + width = dst_channel.size + if inv_swizzle[i] is None: + continue + value = 'rgba'[inv_swizzle[i]] + value = conversion_expr(src_channel, dst_channel, dst_native_type, value) + if format.colorspace == ZS: + if i == 3: + value = get_one(dst_channel) + elif i >= 1: + value = '0' + print ' pixel.chan.%s = %s;' % (dst_channel.name, value) + + bswap_format(format) + print ' memcpy(dst, &pixel, sizeof pixel);' + print '}' print |