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tgsi_exec: handle execmask when doing indirect lookups

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Reviewed-by: Brian Paul <brianp@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2016-03-21 08:52:14 +10:00
parent 1ff4cc0535
commit ca180c09bb
1 changed files with 9 additions and 3 deletions
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src/gallium/auxiliary/tgsi/tgsi_exec.c
+9 -3
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@@ -1995,11 +1995,11 @@ fetch_sampler_unit(struct tgsi_exec_machine *mach,
uint sampler)
{
uint unit;
int i;
if (inst->Src[sampler].Register.Indirect) {
const struct tgsi_full_src_register *reg = &inst->Src[sampler];
union tgsi_exec_channel indir_index, index2;
const uint execmask = mach->ExecMask;
index2.i[0] =
index2.i[1] =
index2.i[2] =
@@ -2012,7 +2012,13 @@ fetch_sampler_unit(struct tgsi_exec_machine *mach,
&index2,
&ZeroVec,
&indir_index);
unit = inst->Src[sampler].Register.Index + indir_index.i[0];
for (i = 0; i < TGSI_QUAD_SIZE; i++) {
if (execmask & (1 << i)) {
unit = inst->Src[sampler].Register.Index + indir_index.i[i];
break;
}
}
} else {
unit = inst->Src[sampler].Register.Index;
}