diff options
| author | Marek Olšák <maraeo@gmail.com> | 2011-03-01 03:21:23 +0100 |
|---|---|---|
| committer | Marek Olšák <maraeo@gmail.com> | 2011-03-01 03:24:55 +0100 |
| commit | 7a61957424a457f416d20c2b366232fb4bbc7761 (patch) | |
| tree | 13868fb09b7e2846bb100c78703bf23a93f68fda /src/gallium | |
| parent | 9c16fcc617b8c5c4db825ed290f994e535de8c65 (diff) | |
r300g: fix RGTC1_UNORM and RGTC2_UNORM
Signs don't work the way I'd like...
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state_derived.c | 18 | ||||
| -rw-r--r-- | src/gallium/drivers/r300/r300_texture.c | 19 |
2 files changed, 27 insertions, 10 deletions
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c index 7776ab5a3ff..7e06958972b 100644 --- a/src/gallium/drivers/r300/r300_state_derived.c +++ b/src/gallium/drivers/r300/r300_state_derived.c @@ -641,8 +641,22 @@ static uint32_t r300_get_border_color(enum pipe_format format, /* Compressed formats. */ if (util_format_is_compressed(format)) { - util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc); - return uc.ui; + switch (format) { + case PIPE_FORMAT_RGTC1_SNORM: + case PIPE_FORMAT_RGTC1_UNORM: + /* Add 1/32 to round the border color instead of truncating. */ + /* The Y component is used for the border color. */ + border_swizzled[1] = border_swizzled[2] + 1.0f/32; + util_pack_color(border_swizzled, PIPE_FORMAT_B4G4R4A4_UNORM, &uc); + return uc.ui; + case PIPE_FORMAT_RGTC2_SNORM: + case PIPE_FORMAT_RGTC2_UNORM: + util_pack_color(border_swizzled, PIPE_FORMAT_B8G8R8A8_UNORM, &uc); + return uc.ui; + default: + util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc); + return uc.ui; + } } switch (desc->channel[0].size) { diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c index bbd3f972a55..831b06b0e58 100644 --- a/src/gallium/drivers/r300/r300_texture.c +++ b/src/gallium/drivers/r300/r300_texture.c @@ -171,8 +171,16 @@ uint32_t r300_translate_texformat(enum pipe_format format, } } - result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view, - util_format_is_compressed(format) && dxtc_swizzle); + if (util_format_is_compressed(format) && + dxtc_swizzle && + format != PIPE_FORMAT_RGTC2_UNORM && + format != PIPE_FORMAT_RGTC2_SNORM) { + result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view, + dxtc_swizzle); + } else { + result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view, + FALSE); + } /* S3TC formats. */ if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) { @@ -215,17 +223,12 @@ uint32_t r300_translate_texformat(enum pipe_format format, if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) { switch (format) { case PIPE_FORMAT_RGTC1_SNORM: - result |= sign_bit[0]; + result |= sign_bit[1]; case PIPE_FORMAT_RGTC1_UNORM: - result &= ~(0xfff << 9); /* mask off swizzle */ - result |= R300_TX_FORMAT_Y << R300_TX_FORMAT_R_SHIFT; return R500_TX_FORMAT_ATI1N | result; case PIPE_FORMAT_RGTC2_SNORM: result |= sign_bit[0] | sign_bit[1]; case PIPE_FORMAT_RGTC2_UNORM: - result &= ~(0xfff << 9); /* mask off swizzle */ - result |= R300_TX_FORMAT_Y << R300_TX_FORMAT_R_SHIFT | - R300_TX_FORMAT_X << R300_TX_FORMAT_G_SHIFT; return R400_TX_FORMAT_ATI2N | result; default: return ~0; /* Unsupported/unknown. */ |