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Diffstat (limited to 'src/gallium/auxiliary/tgsi/exec')
-rw-r--r--src/gallium/auxiliary/tgsi/exec/tgsi_exec.c46
1 files changed, 15 insertions, 31 deletions
diff --git a/src/gallium/auxiliary/tgsi/exec/tgsi_exec.c b/src/gallium/auxiliary/tgsi/exec/tgsi_exec.c
index ac52441400..f2ed9e0353 100644
--- a/src/gallium/auxiliary/tgsi/exec/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/exec/tgsi_exec.c
@@ -1220,7 +1220,8 @@ fetch_texel( struct tgsi_sampler *sampler,
static void
exec_tex(struct tgsi_exec_machine *mach,
const struct tgsi_full_instruction *inst,
- boolean biasLod)
+ boolean biasLod,
+ boolean projected)
{
const uint unit = inst->FullSrcRegisters[1].SrcRegister.Index;
union tgsi_exec_channel r[8];
@@ -1234,17 +1235,9 @@ exec_tex(struct tgsi_exec_machine *mach,
FETCH(&r[0], 0, CHAN_X);
- switch (inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtDivide) {
- case TGSI_EXTSWIZZLE_W:
+ if (projected) {
FETCH(&r[1], 0, CHAN_W);
micro_div( &r[0], &r[0], &r[1] );
- break;
-
- case TGSI_EXTSWIZZLE_ONE:
- break;
-
- default:
- assert (0);
}
if (biasLod) {
@@ -1266,19 +1259,11 @@ exec_tex(struct tgsi_exec_machine *mach,
FETCH(&r[1], 0, CHAN_Y);
FETCH(&r[2], 0, CHAN_Z);
- switch (inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtDivide) {
- case TGSI_EXTSWIZZLE_W:
+ if (projected) {
FETCH(&r[3], 0, CHAN_W);
micro_div( &r[0], &r[0], &r[3] );
micro_div( &r[1], &r[1], &r[3] );
micro_div( &r[2], &r[2], &r[3] );
- break;
-
- case TGSI_EXTSWIZZLE_ONE:
- break;
-
- default:
- assert (0);
}
if (biasLod) {
@@ -1300,19 +1285,11 @@ exec_tex(struct tgsi_exec_machine *mach,
FETCH(&r[1], 0, CHAN_Y);
FETCH(&r[2], 0, CHAN_Z);
- switch (inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtDivide) {
- case TGSI_EXTSWIZZLE_W:
+ if (projected) {
FETCH(&r[3], 0, CHAN_W);
micro_div( &r[0], &r[0], &r[3] );
micro_div( &r[1], &r[1], &r[3] );
micro_div( &r[2], &r[2], &r[3] );
- break;
-
- case TGSI_EXTSWIZZLE_ONE:
- break;
-
- default:
- assert (0);
}
if (biasLod) {
@@ -2007,14 +1984,14 @@ exec_instruction(
/* simple texture lookup */
/* src[0] = texcoord */
/* src[1] = sampler unit */
- exec_tex(mach, inst, FALSE);
+ exec_tex(mach, inst, FALSE, FALSE);
break;
case TGSI_OPCODE_TXB:
/* Texture lookup with lod bias */
/* src[0] = texcoord (src[0].w = LOD bias) */
/* src[1] = sampler unit */
- exec_tex(mach, inst, TRUE);
+ exec_tex(mach, inst, TRUE, FALSE);
break;
case TGSI_OPCODE_TXD:
@@ -2030,7 +2007,14 @@ exec_instruction(
/* Texture lookup with explit LOD */
/* src[0] = texcoord (src[0].w = LOD) */
/* src[1] = sampler unit */
- exec_tex(mach, inst, TRUE);
+ exec_tex(mach, inst, TRUE, FALSE);
+ break;
+
+ case TGSI_OPCODE_TXP:
+ /* Texture lookup with projection */
+ /* src[0] = texcoord (src[0].w = projection) */
+ /* src[1] = sampler unit */
+ exec_tex(mach, inst, FALSE, TRUE);
break;
case TGSI_OPCODE_UP2H: