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| author | Brian <brian.paul@tungstengraphics.com> | 2007-09-28 21:04:34 -0600 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2007-09-28 21:04:34 -0600 |
| commit | fc38c827716d333c92017348add1e80ea78af948 (patch) | |
| tree | 00ef162ad6c114b462c972895c08872f9cbc5b7f /src/mesa/pipe/tgsi/exec/tgsi_exec.h | |
| parent | ae7f200788947cdde15b279ea3a4558f6abd9922 (diff) | |
Initial implementation of IF/ELSE/ENDIF using conditional masking.
mach->CondMask controls writing to each of the 4 components in a quad.
mach->CondMaskStack handles nested conditionals.
Only a few of the micro ops (add/sub/mul/store) have been updated to obey CondMask at this time.
Diffstat (limited to 'src/mesa/pipe/tgsi/exec/tgsi_exec.h')
| -rw-r--r-- | src/mesa/pipe/tgsi/exec/tgsi_exec.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/mesa/pipe/tgsi/exec/tgsi_exec.h b/src/mesa/pipe/tgsi/exec/tgsi_exec.h index d50f786029..f87d6e8862 100644 --- a/src/mesa/pipe/tgsi/exec/tgsi_exec.h +++ b/src/mesa/pipe/tgsi/exec/tgsi_exec.h @@ -120,6 +120,10 @@ struct tgsi_exec_cond_stack unsigned Index; /* into States[] */ }; + +#define TGSI_EXEC_MAX_COND_NESTING 10 + + struct tgsi_exec_machine { /* @@ -152,9 +156,15 @@ struct tgsi_exec_machine /* FRAGMENT processor only. */ const struct tgsi_interp_coef *InterpCoefs; - struct tgsi_exec_cond_stack CondStack; + /* Conditional execution mask */ + uint CondMask; + + /* Condition mask stack (for nested conditionals) */ + uint condStack[TGSI_EXEC_MAX_COND_NESTING]; + int CondStackTop; }; + void tgsi_exec_machine_init( struct tgsi_exec_machine *mach, |