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| author | Brian Paul <brian.paul@tungstengraphics.com> | 2008-11-05 13:56:20 -0700 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2008-11-05 13:56:20 -0700 |
| commit | 03c0ce4c61fd970509d605fe78166e828fc1df57 (patch) | |
| tree | 9eecd6dfc87a2bd1365112d2e9e819e7417b4653 | |
| parent | a137f03c56688c190f3542fb6b7c9a4ff4c80cff (diff) | |
gallium: added tgsi_set_exec_mask()
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_exec.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h index c4e649e69..fc40a25e0 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_exec.h +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h @@ -165,6 +165,10 @@ struct tgsi_exec_labels #define TGSI_EXEC_TEMP_HALF_I (TGSI_EXEC_NUM_TEMPS + 3) #define TGSI_EXEC_TEMP_HALF_C 1 +/* execution mask, each value is either 0 or ~0 */ +#define TGSI_EXEC_MASK_I (TGSI_EXEC_NUM_TEMPS + 3) +#define TGSI_EXEC_MASK_C 2 + #define TGSI_EXEC_TEMP_R0 (TGSI_EXEC_NUM_TEMPS + 4) #define TGSI_EXEC_TEMP_ADDR (TGSI_EXEC_NUM_TEMPS + 5) @@ -265,6 +269,27 @@ void tgsi_exec_machine_free_data(struct tgsi_exec_machine *mach); +static INLINE void +tgsi_set_kill_mask(struct tgsi_exec_machine *mach, unsigned mask) +{ + mach->Temps[TGSI_EXEC_TEMP_KILMASK_I].xyzw[TGSI_EXEC_TEMP_KILMASK_C].u[0] = + mask; +} + + +/** Set execution mask values prior to executing the shader */ +static INLINE void +tgsi_set_exec_mask(struct tgsi_exec_machine *mach, + boolean ch0, boolean ch1, boolean ch2, boolean ch3) +{ + int *mask = mach->Temps[TGSI_EXEC_MASK_I].xyzw[TGSI_EXEC_MASK_C].i; + mask[0] = ch0 ? ~0 : 0; + mask[1] = ch1 ? ~0 : 0; + mask[2] = ch2 ? ~0 : 0; + mask[3] = ch3 ? ~0 : 0; +} + + #if defined __cplusplus } /* extern "C" */ #endif |