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-rw-r--r--src/gallium/drivers/nv30/nv30_fragprog.c32
-rw-r--r--src/gallium/drivers/nv40/nv40_fragprog.c32
2 files changed, 48 insertions, 16 deletions
diff --git a/src/gallium/drivers/nv30/nv30_fragprog.c b/src/gallium/drivers/nv30/nv30_fragprog.c
index 40965a97723..dc4e583ce9d 100644
--- a/src/gallium/drivers/nv30/nv30_fragprog.c
+++ b/src/gallium/drivers/nv30/nv30_fragprog.c
@@ -435,10 +435,11 @@ nv30_fragprog_parse_instruction(struct nv30_fpc *fpc,
arith(fpc, sat, ADD, dst, mask, src[0], src[1], none);
break;
case TGSI_OPCODE_CMP:
- tmp = temp(fpc);
- arith(fpc, sat, MOV, dst, mask, src[2], none, none);
+ tmp = nv30_sr(NV30SR_NONE, 0);
tmp.cc_update = 1;
arith(fpc, 0, MOV, tmp, 0xf, src[0], none, none);
+ dst.cc_test = NV30_VP_INST_COND_GE;
+ arith(fpc, sat, MOV, dst, mask, src[2], none, none);
dst.cc_test = NV30_VP_INST_COND_LT;
arith(fpc, sat, MOV, dst, mask, src[1], none, none);
break;
@@ -517,13 +518,28 @@ nv30_fragprog_parse_instruction(struct nv30_fpc *fpc,
arith(fpc, sat, RSQ, dst, mask, abs(swz(src[0], X, X, X, X)), none, none);
break;
case TGSI_OPCODE_SCS:
- if (mask & MASK_X) {
- arith(fpc, sat, COS, dst, MASK_X,
- swz(src[0], X, X, X, X), none, none);
+ /* avoid overwriting the source */
+ if(src[0].swz[SWZ_X] != SWZ_X)
+ {
+ if (mask & MASK_X) {
+ arith(fpc, sat, COS, dst, MASK_X,
+ swz(src[0], X, X, X, X), none, none);
+ }
+ if (mask & MASK_Y) {
+ arith(fpc, sat, SIN, dst, MASK_Y,
+ swz(src[0], X, X, X, X), none, none);
+ }
}
- if (mask & MASK_Y) {
- arith(fpc, sat, SIN, dst, MASK_Y,
- swz(src[0], X, X, X, X), none, none);
+ else
+ {
+ if (mask & MASK_Y) {
+ arith(fpc, sat, SIN, dst, MASK_Y,
+ swz(src[0], X, X, X, X), none, none);
+ }
+ if (mask & MASK_X) {
+ arith(fpc, sat, COS, dst, MASK_X,
+ swz(src[0], X, X, X, X), none, none);
+ }
}
break;
case TGSI_OPCODE_SIN:
diff --git a/src/gallium/drivers/nv40/nv40_fragprog.c b/src/gallium/drivers/nv40/nv40_fragprog.c
index 1bf16726d10..468d3509a98 100644
--- a/src/gallium/drivers/nv40/nv40_fragprog.c
+++ b/src/gallium/drivers/nv40/nv40_fragprog.c
@@ -445,10 +445,11 @@ nv40_fragprog_parse_instruction(struct nv40_fpc *fpc,
arith(fpc, sat, ADD, dst, mask, src[0], src[1], none);
break;
case TGSI_OPCODE_CMP:
- tmp = temp(fpc);
- arith(fpc, sat, MOV, dst, mask, src[2], none, none);
+ tmp = nv40_sr(NV40SR_NONE, 0);
tmp.cc_update = 1;
arith(fpc, 0, MOV, tmp, 0xf, src[0], none, none);
+ dst.cc_test = NV40_VP_INST_COND_GE;
+ arith(fpc, sat, MOV, dst, mask, src[2], none, none);
dst.cc_test = NV40_VP_INST_COND_LT;
arith(fpc, sat, MOV, dst, mask, src[1], none, none);
break;
@@ -573,13 +574,28 @@ nv40_fragprog_parse_instruction(struct nv40_fpc *fpc,
neg(swz(tmp, X, X, X, X)), none, none);
break;
case TGSI_OPCODE_SCS:
- if (mask & MASK_X) {
- arith(fpc, sat, COS, dst, MASK_X,
- swz(src[0], X, X, X, X), none, none);
+ /* avoid overwriting the source */
+ if(src[0].swz[SWZ_X] != SWZ_X)
+ {
+ if (mask & MASK_X) {
+ arith(fpc, sat, COS, dst, MASK_X,
+ swz(src[0], X, X, X, X), none, none);
+ }
+ if (mask & MASK_Y) {
+ arith(fpc, sat, SIN, dst, MASK_Y,
+ swz(src[0], X, X, X, X), none, none);
+ }
}
- if (mask & MASK_Y) {
- arith(fpc, sat, SIN, dst, MASK_Y,
- swz(src[0], X, X, X, X), none, none);
+ else
+ {
+ if (mask & MASK_Y) {
+ arith(fpc, sat, SIN, dst, MASK_Y,
+ swz(src[0], X, X, X, X), none, none);
+ }
+ if (mask & MASK_X) {
+ arith(fpc, sat, COS, dst, MASK_X,
+ swz(src[0], X, X, X, X), none, none);
+ }
}
break;
case TGSI_OPCODE_SEQ: