diff options
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 7776ab5a3f..7e06958972 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) { |