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-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.c42
1 files changed, 38 insertions, 4 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index fde99b9e494..44000ffdb6c 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -1988,6 +1988,35 @@ fetch_assign_deriv_channel(struct tgsi_exec_machine *mach,
derivs[1][3] = d.f[3];
}
+static uint
+fetch_sampler_unit(struct tgsi_exec_machine *mach,
+ const struct tgsi_full_instruction *inst,
+ uint sampler)
+{
+ uint unit;
+
+ if (inst->Src[sampler].Register.Indirect) {
+ const struct tgsi_full_src_register *reg = &inst->Src[sampler];
+ union tgsi_exec_channel indir_index, index2;
+
+ index2.i[0] =
+ index2.i[1] =
+ index2.i[2] =
+ index2.i[3] = reg->Indirect.Index;
+
+ fetch_src_file_channel(mach,
+ 0,
+ reg->Indirect.File,
+ reg->Indirect.Swizzle,
+ &index2,
+ &ZeroVec,
+ &indir_index);
+ unit = inst->Src[sampler].Register.Index + indir_index.i[0];
+ } else {
+ unit = inst->Src[sampler].Register.Index;
+ }
+ return unit;
+}
/*
* execute a texture instruction.
@@ -2001,14 +2030,15 @@ exec_tex(struct tgsi_exec_machine *mach,
const struct tgsi_full_instruction *inst,
uint modifier, uint sampler)
{
- const uint unit = inst->Src[sampler].Register.Index;
const union tgsi_exec_channel *args[5], *proj = NULL;
union tgsi_exec_channel r[5];
enum tgsi_sampler_control control = tgsi_sampler_lod_none;
uint chan;
+ uint unit;
int8_t offsets[3];
int dim, shadow_ref, i;
+ unit = fetch_sampler_unit(mach, inst, sampler);
/* always fetch all 3 offsets, overkill but keeps code simple */
fetch_texel_offsets(mach, inst, offsets);
@@ -2107,12 +2137,13 @@ static void
exec_txd(struct tgsi_exec_machine *mach,
const struct tgsi_full_instruction *inst)
{
- const uint unit = inst->Src[3].Register.Index;
union tgsi_exec_channel r[4];
float derivs[3][2][TGSI_QUAD_SIZE];
uint chan;
+ uint unit;
int8_t offsets[3];
+ unit = fetch_sampler_unit(mach, inst, 3);
/* always fetch all 3 offsets, overkill but keeps code simple */
fetch_texel_offsets(mach, inst, offsets);
@@ -2214,14 +2245,15 @@ static void
exec_txf(struct tgsi_exec_machine *mach,
const struct tgsi_full_instruction *inst)
{
- const uint unit = inst->Src[1].Register.Index;
union tgsi_exec_channel r[4];
uint chan;
+ uint unit;
float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE];
int j;
int8_t offsets[3];
unsigned target;
+ unit = fetch_sampler_unit(mach, inst, 1);
/* always fetch all 3 offsets, overkill but keeps code simple */
fetch_texel_offsets(mach, inst, offsets);
@@ -2296,12 +2328,14 @@ static void
exec_txq(struct tgsi_exec_machine *mach,
const struct tgsi_full_instruction *inst)
{
- const uint unit = inst->Src[1].Register.Index;
int result[4];
union tgsi_exec_channel r[4], src;
uint chan;
+ uint unit;
int i,j;
+ unit = fetch_sampler_unit(mach, inst, 1);
+
fetch_source(mach, &src, &inst->Src[0], TGSI_CHAN_X, TGSI_EXEC_DATA_INT);
/* XXX: This interface can't return per-pixel values */