diff options
| -rw-r--r-- | src/gallium/drivers/r300/r300_state_derived.c | 64 |
1 files changed, 31 insertions, 33 deletions
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c index 50366e32c2b..f78d9b6db94 100644 --- a/src/gallium/drivers/r300/r300_state_derived.c +++ b/src/gallium/drivers/r300/r300_state_derived.c @@ -25,6 +25,7 @@ #include "util/u_math.h" #include "util/u_memory.h" +#include "util/u_pack_color.h" #include "r300_context.h" #include "r300_fs.h" @@ -584,59 +585,56 @@ static uint32_t r300_get_border_color(enum pipe_format format, const float border[4]) { const struct util_format_description *desc; - float border_swizzled[4] = { - border[2], - border[1], - border[0], - border[3] - }; - uint32_t r; + float border_swizzled[4] = {0}; + unsigned i; + union util_color uc = {0}; desc = util_format_description(format); - /* We don't use util_pack_format because it does not handle the formats - * we want, e.g. R4G4B4A4 is non-existent in Gallium. */ + /* Apply inverse swizzle of the format. */ + for (i = 0; i < 4; i++) { + switch (desc->swizzle[i]) { + case UTIL_FORMAT_SWIZZLE_X: + border_swizzled[2] = border[i]; + break; + case UTIL_FORMAT_SWIZZLE_Y: + border_swizzled[1] = border[i]; + break; + case UTIL_FORMAT_SWIZZLE_Z: + border_swizzled[0] = border[i]; + break; + case UTIL_FORMAT_SWIZZLE_W: + border_swizzled[3] = border[i]; + break; + } + } + switch (desc->channel[0].size) { case 4: - r = ((float_to_ubyte(border_swizzled[0]) & 0xf0) >> 4) | - ((float_to_ubyte(border_swizzled[1]) & 0xf0) << 0) | - ((float_to_ubyte(border_swizzled[2]) & 0xf0) << 4) | - ((float_to_ubyte(border_swizzled[3]) & 0xf0) << 8); + util_pack_color(border_swizzled, PIPE_FORMAT_B4G4R4A4_UNORM, &uc); break; case 5: if (desc->channel[1].size == 5) { - r = ((float_to_ubyte(border_swizzled[0]) & 0xf8) >> 3) | - ((float_to_ubyte(border_swizzled[1]) & 0xf8) << 2) | - ((float_to_ubyte(border_swizzled[2]) & 0xf8) << 7) | - ((float_to_ubyte(border_swizzled[3]) & 0x80) << 8); + util_pack_color(border_swizzled, PIPE_FORMAT_B5G5R5A1_UNORM, &uc); } else if (desc->channel[1].size == 6) { - r = ((float_to_ubyte(border_swizzled[0]) & 0xf8) >> 3) | - ((float_to_ubyte(border_swizzled[1]) & 0xfc) << 3) | - ((float_to_ubyte(border_swizzled[2]) & 0xf8) << 8); + util_pack_color(border_swizzled, PIPE_FORMAT_B5G6R5_UNORM, &uc); } else { assert(0); - r = 0; } break; - case 16: - r = ((float_to_ubyte(border_swizzled[2]) & 0xff) << 0) | - ((float_to_ubyte(border_swizzled[1]) & 0xff) << 8) | - ((float_to_ubyte(border_swizzled[0]) & 0xff) << 16) | - ((float_to_ubyte(border_swizzled[3]) & 0xff) << 24); + default: + case 8: + util_pack_color(border_swizzled, PIPE_FORMAT_B8G8R8A8_UNORM, &uc); break; - case 8: - default: - r = ((float_to_ubyte(border_swizzled[0]) & 0xff) << 0) | - ((float_to_ubyte(border_swizzled[1]) & 0xff) << 8) | - ((float_to_ubyte(border_swizzled[2]) & 0xff) << 16) | - ((float_to_ubyte(border_swizzled[3]) & 0xff) << 24); + case 10: + util_pack_color(border_swizzled, PIPE_FORMAT_B10G10R10A2_UNORM, &uc); break; } - return r; + return uc.ui; } static void r300_merge_textures_and_samplers(struct r300_context* r300) |