diff options
| author | Ben Skeggs <skeggsb@gmail.com> | 2008-06-07 17:36:10 +1000 |
|---|---|---|
| committer | Ben Skeggs <skeggsb@gmail.com> | 2008-06-29 15:46:15 +1000 |
| commit | faa1c02546db00f69c66db18076b5b0ac86d7138 (patch) | |
| tree | 8835ceeb8de82faf947b9ca5828da9ef08be7e23 /src/gallium/drivers/nv50/nv50_program.c | |
| parent | 686bc00c05094e8678747c111a6a70ad4b7063e3 (diff) | |
nv50: create emit_pow() - emit_lit() will need to use it
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_program.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index b013435f99..bc0a834aee 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -627,6 +627,7 @@ emit_preex2(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) emit(pc, inst); } + /*XXX: inaccurate results.. why? */ #define ALLOW_SET_SWAP 0 @@ -694,6 +695,20 @@ emit_flr(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) emit(pc, inst); } +static void +emit_pow(struct nv50_pc *pc, struct nv50_reg *dst, + struct nv50_reg *v, struct nv50_reg *e) +{ + struct nv50_reg *temp = alloc_temp(pc, NULL); + + emit_flop(pc, 3, temp, v); + emit_mul(pc, temp, temp, e); + emit_preex2(pc, temp, temp); + emit_flop(pc, 6, dst, temp); + + free_temp(pc, temp); +} + static boolean nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok) { @@ -875,10 +890,7 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok) break; case TGSI_OPCODE_POW: temp = alloc_temp(pc, NULL); - emit_flop(pc, 3, temp, src[0][0]); - emit_mul(pc, temp, temp, src[1][0]); - emit_preex2(pc, temp, temp); - emit_flop(pc, 6, temp, temp); + emit_pow(pc, temp, src[0][0], src[1][0]); for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) continue; |