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| 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/drivers/r300/r300_state_derived.c | |
| parent | 9c16fcc617b8c5c4db825ed290f994e535de8c65 (diff) | |
| download | external_mesa3d-7a61957424a457f416d20c2b366232fb4bbc7761.zip external_mesa3d-7a61957424a457f416d20c2b366232fb4bbc7761.tar.gz external_mesa3d-7a61957424a457f416d20c2b366232fb4bbc7761.tar.bz2 | |
r300g: fix RGTC1_UNORM and RGTC2_UNORM
Signs don't work the way I'd like...
Diffstat (limited to 'src/gallium/drivers/r300/r300_state_derived.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state_derived.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c index 7776ab5..7e06958 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) { |