diff options
| author | Brian <brian.paul@tungstengraphics.com> | 2007-10-02 17:07:30 -0600 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2007-10-02 17:07:30 -0600 |
| commit | 066ccec49485f0b6d314ef555e4b2a68f68c3804 (patch) | |
| tree | dcefe22584be732027a39fc6d059aca190b867b3 /src/mesa/pipe/tgsi/exec | |
| parent | ca34912bf7e57a01b180a3bb3b6e36331f442558 (diff) | |
Separate TGSI_OPCODE_KIL and TGSI_OPCODE_KILP (predicated).
These correspond to the NV and ARB-style fragment program KIL instructions.
The former is really supposed to examine the NV condition codes but Mesa's
GLSL compiler always emits unconditional KIL instructions.
Diffstat (limited to 'src/mesa/pipe/tgsi/exec')
| -rwxr-xr-x | src/mesa/pipe/tgsi/exec/tgsi_dump.c | 6 | ||||
| -rw-r--r-- | src/mesa/pipe/tgsi/exec/tgsi_exec.c | 18 | ||||
| -rw-r--r-- | src/mesa/pipe/tgsi/exec/tgsi_token.h | 7 |
3 files changed, 25 insertions, 6 deletions
diff --git a/src/mesa/pipe/tgsi/exec/tgsi_dump.c b/src/mesa/pipe/tgsi/exec/tgsi_dump.c index 0b273cd6e5..c179659aee 100755 --- a/src/mesa/pipe/tgsi/exec/tgsi_dump.c +++ b/src/mesa/pipe/tgsi/exec/tgsi_dump.c @@ -270,7 +270,7 @@ static const char *TGSI_OPCODES[] = "OPCODE_COS", "OPCODE_DDX", "OPCODE_DDY", - "OPCODE_KIL", + "OPCODE_KILP", "OPCODE_PK2H", "OPCODE_PK2US", "OPCODE_PK4B", @@ -364,6 +364,7 @@ static const char *TGSI_OPCODES[] = "OPCODE_IFC", "OPCODE_BREAKC", "OPCODE_TXP", + "OPCODE_KIL", "OPCODE_END" }; @@ -408,7 +409,7 @@ static const char *TGSI_OPCODES_SHORT[] = "COS", "DDX", "DDY", - "KIL", + "KILP", "PK2H", "PK2US", "PK4B", @@ -502,6 +503,7 @@ static const char *TGSI_OPCODES_SHORT[] = "IFC", "BREAKC", "TXP", + "KIL", "END" }; diff --git a/src/mesa/pipe/tgsi/exec/tgsi_exec.c b/src/mesa/pipe/tgsi/exec/tgsi_exec.c index edd46100c5..b88620d71d 100644 --- a/src/mesa/pipe/tgsi/exec/tgsi_exec.c +++ b/src/mesa/pipe/tgsi/exec/tgsi_exec.c @@ -1129,8 +1129,12 @@ store_dest( store_dest (mach, VAL, &inst->FullDstRegisters[INDEX], inst, CHAN ) +/** + * Execute ARB-style KIL which is predicated by a src register. + * Kill fragment if any of the four values is less than zero. + */ static void -exec_kil (struct tgsi_exec_machine *mach, +exec_kilp(struct tgsi_exec_machine *mach, const struct tgsi_full_instruction *inst) { GLuint uniquemask; @@ -1168,6 +1172,14 @@ exec_kil (struct tgsi_exec_machine *mach, } +static void +exec_kil(struct tgsi_exec_machine *mach, + const struct tgsi_full_instruction *inst) +{ + /* for enabled ExecMask bits, set the killed bit */ + mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= mach->ExecMask; +} + /* @@ -1782,6 +1794,10 @@ exec_instruction( } break; + case TGSI_OPCODE_KILP: + exec_kilp (mach, inst); + break; + case TGSI_OPCODE_KIL: exec_kil (mach, inst); break; diff --git a/src/mesa/pipe/tgsi/exec/tgsi_token.h b/src/mesa/pipe/tgsi/exec/tgsi_token.h index d2fa813815..8d5992facb 100644 --- a/src/mesa/pipe/tgsi/exec/tgsi_token.h +++ b/src/mesa/pipe/tgsi/exec/tgsi_token.h @@ -236,7 +236,7 @@ struct tgsi_immediate_float32 #define TGSI_OPCODE_EX2 TGSI_OPCODE_EXPBASE2 #define TGSI_OPCODE_FLR TGSI_OPCODE_FLOOR #define TGSI_OPCODE_FRC TGSI_OPCODE_FRAC -#define TGSI_OPCODE_KIL 39 +#define TGSI_OPCODE_KILP 39 /* predicated kill */ #define TGSI_OPCODE_LG2 TGSI_OPCODE_LOGBASE2 /* TGSI_OPCODE_LIT */ #define TGSI_OPCODE_LRP TGSI_OPCODE_LERP @@ -1100,9 +1100,10 @@ struct tgsi_immediate_float32 /* TGSI_OPCODE_MOVA */ /* TGSI_OPCODE_LOGP */ -#define TGSI_OPCODE_END 133 /* aka HALT */ +#define TGSI_OPCODE_KIL 133 /* unpredicated kill */ +#define TGSI_OPCODE_END 134 /* aka HALT */ -#define TGSI_OPCODE_LAST 134 +#define TGSI_OPCODE_LAST 135 #define TGSI_SAT_NONE 0 /* do not saturate */ #define TGSI_SAT_ZERO_ONE 1 /* clamp to [0,1] */ |