diff options
| author | Marek Olšák <maraeo@gmail.com> | 2010-10-02 21:42:22 +0200 |
|---|---|---|
| committer | Marek Olšák <maraeo@gmail.com> | 2010-10-02 21:42:22 +0200 |
| commit | e75bce026c33ba670fd3146076fc2a2cf00f4371 (patch) | |
| tree | 65b6bc464358a49e22683f7eb10956e26c3f9a46 | |
| parent | 71a079fb4ecbd17703ac9b5e6d5ef622fd7bc50f (diff) | |
r300g: add support for R8G8 colorbuffers
The hw swizzles have been obtained by a brute force approach,
and only C0 and C2 are stored in UV88, the other channels are
ignored.
R16G16 is going to be a lot trickier.
| -rw-r--r-- | src/gallium/drivers/r300/r300_texture.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c index 2d8431dbb8..a084bdff11 100644 --- a/src/gallium/drivers/r300/r300_texture.c +++ b/src/gallium/drivers/r300/r300_texture.c @@ -369,6 +369,10 @@ static uint32_t r300_translate_colorformat(enum pipe_format format) return R300_COLOR_FORMAT_I8; /* 16-bit buffers. */ + case PIPE_FORMAT_R8G8_UNORM: + case PIPE_FORMAT_R8G8_SNORM: + return R300_COLOR_FORMAT_UV88; + case PIPE_FORMAT_B5G6R5_UNORM: return R300_COLOR_FORMAT_RGB565; @@ -488,7 +492,7 @@ static uint32_t r300_translate_out_fmt(enum pipe_format format) /* Add swizzles and return. */ switch (format) { - /* 8-bit outputs. + /* 8-bit outputs, one channel. * COLORFORMAT_I8 stores the C2 component. */ case PIPE_FORMAT_A8_UNORM: return modifier | R300_C2_SEL_A; @@ -498,6 +502,12 @@ static uint32_t r300_translate_out_fmt(enum pipe_format format) case PIPE_FORMAT_R8_SNORM: return modifier | R300_C2_SEL_R; + /* 16-bit outputs, two channels. + * COLORFORMAT_UV88 stores C2 and C0. */ + case PIPE_FORMAT_R8G8_UNORM: + case PIPE_FORMAT_R8G8_SNORM: + return modifier | R300_C0_SEL_G | R300_C2_SEL_R; + /* BGRA outputs. */ case PIPE_FORMAT_B5G6R5_UNORM: case PIPE_FORMAT_B5G5R5A1_UNORM: |