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r600g: add support for subsampled rgb formats

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v2: r600 formats are msb first!

Signed-off-by: Christian König <deathsimple@vodafone.de>
This commit is contained in:
Christian König 2012-03-03 12:48:30 +01:00
parent 461c34c0cb
commit fb016854bc
1 changed files with 15 additions and 0 deletions
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15
src/gallium/drivers/r600/r600_texture.c
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@ -1135,6 +1135,21 @@ uint32_t r600_translate_texformat(struct pipe_screen *screen,
}
}
if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) {
switch (format) {
case PIPE_FORMAT_R8G8_B8G8_UNORM:
case PIPE_FORMAT_G8R8_B8R8_UNORM:
result = FMT_GB_GR;
goto out_word4;
case PIPE_FORMAT_G8R8_G8B8_UNORM:
case PIPE_FORMAT_R8G8_R8B8_UNORM:
result = FMT_BG_RG;
goto out_word4;
default:
goto out_unknown;
}
}
if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
result = FMT_5_9_9_9_SHAREDEXP;
goto out_word4;