diff options
| author | Corbin Simpson <MostAwesomeDude@gmail.com> | 2009-03-10 20:43:11 -0700 |
|---|---|---|
| committer | Corbin Simpson <MostAwesomeDude@gmail.com> | 2009-03-11 15:23:08 -0700 |
| commit | d13e4bd1cbb1ef1ef2ed69d24bc8da790a10bdd3 (patch) | |
| tree | 486ccb1e45730b86e56f2ed71b743d1012978ed3 /src/gallium/drivers/r300/r300_state_shader.h | |
| parent | 8b212503052b767561d85108c435f375e0228f44 (diff) | |
r300-gallium: Start swizzles.
Diffstat (limited to 'src/gallium/drivers/r300/r300_state_shader.h')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state_shader.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_state_shader.h b/src/gallium/drivers/r300/r300_state_shader.h index 333f0f5d05..410926a26a 100644 --- a/src/gallium/drivers/r300/r300_state_shader.h +++ b/src/gallium/drivers/r300/r300_state_shader.h @@ -29,6 +29,29 @@ #include "r300_reg.h" #include "r300_screen.h" +/* Swizzle tools */ +#define R500_SWIZZLE_ZERO 4 +#define R500_SWIZZLE_HALF 5 +#define R500_SWIZZLE_ONE 6 +#define R500_SWIZ_RGB_ZERO ((4 << 0) | (4 << 3) | (4 << 6)) +#define R500_SWIZ_RGB_ONE ((6 << 0) | (6 << 3) | (6 << 6)) +#define R500_SWIZ_RGB_RGB ((0 << 0) | (1 << 3) | (2 << 6)) +#define R500_SWIZ_MOD_NEG 1 +#define R500_SWIZ_MOD_ABS 2 +#define R500_SWIZ_MOD_NEG_ABS 3 +/* Swizzles for inst2 */ +#define R500_SWIZ_TEX_STRQ(x) (x << 8) +#define R500_SWIZ_TEX_RGBA(x) (x << 24) +/* Swizzles for inst3 */ +#define R500_SWIZ_RGB_A(x) (x << 2) +#define R500_SWIZ_RGB_B(x) (x << 15) +/* Swizzles for inst4 */ +#define R500_SWIZ_ALPHA_A(x) (x << 14) +#define R500_SWIZ_ALPHA_B(x) (x << 21) +/* Swizzle for inst5 */ +#define R500_SWIZ_RGBA_C(x) (x << 14) +#define R500_SWIZ_ALPHA_C(x) (x << 27) + /* Temporary struct used to hold assembly state while putting together * fragment programs. */ struct r300_fs_asm { |