diff options
Diffstat (limited to 'src/gallium/drivers/nv50')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index cad1d9d6795..9fcd7c36c61 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -15,7 +15,6 @@ /* ARL * LIT - other buggery * POW - * SAT * * MSB - Like MAD, but MUL+SUB * - Fuck it off, introduce a way to negate args for ops that @@ -679,8 +678,8 @@ emit_flr(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { unsigned inst[2] = { 0, 0 }; - set_long(pc, inst); inst[0] = 0xa0000000; /* cvt */ + set_long(pc, inst); inst[1] |= (6 << 29); /* cvt */ inst[1] |= 0x08000000; /* integer mode */ inst[1] |= 0x04000000; /* 32 bit */ @@ -696,13 +695,14 @@ static boolean nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok) { const struct tgsi_full_instruction *inst = &tok->FullInstruction; - struct nv50_reg *dst[4], *src[3][4], *temp; - unsigned mask; + struct nv50_reg *rdst[4], *dst[4], *src[3][4], *temp; + unsigned mask, sat; int i, c; NOUVEAU_ERR("insn %p\n", tok); mask = inst->FullDstRegisters[0].DstRegister.WriteMask; + sat = inst->Instruction.Saturate == TGSI_SAT_ZERO_ONE; for (c = 0; c < 4; c++) { if (mask & (1 << c)) @@ -716,13 +716,20 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok) src[i][c] = tgsi_src(pc, c, &inst->FullSrcRegisters[i]); } + if (sat) { + for (c = 0; c < 4; c++) { + rdst[c] = dst[c]; + dst[c] = temp_temp(pc); + } + } + switch (inst->Instruction.Opcode) { case TGSI_OPCODE_ABS: for (c = 0; c < 4; c++) { unsigned inst[2] = { 0, 0 }; - set_long(pc, inst); inst[0] = 0xa0000000; /* cvt */ + set_long(pc, inst); inst[1] |= (6 << 29); /* cvt */ inst[1] |= 0x04000000; /* 32 bit */ inst[1] |= (1 << 14); /* src .f32 */ @@ -922,6 +929,25 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok) return FALSE; } + if (sat) { + for (c = 0; c < 4; c++) { + unsigned inst[2] = { 0, 0 }; + + if (!(mask & (1 << c))) + continue; + + inst[0] = 0xa0000000; /* cvt */ + set_long(pc, inst); + inst[1] |= (6 << 29); /* cvt */ + inst[1] |= 0x04000000; /* 32 bit */ + inst[1] |= (1 << 14); /* src .f32 */ + inst[1] |= ((1 << 5) << 14); /* .sat */ + set_dst(pc, rdst[c], inst); + set_src_0(pc, dst[c], inst); + emit(pc, inst); + } + } + kill_temp_temp(pc); return TRUE; } |