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ac/nir: fix txf_ms with an offset

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Seems to fix some hair artifacts in Max Payne 3:
https://github.com/daniel-schuermann/mesa/issues/76

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Fixes: f4e499ec79 ('radv: add initial non-conformant radv vulkan driver')
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Rhys Perry
2019-07-19 15:20:44 +01:00
parent a69ab1b7d2
commit a9f58af454
1 changed files with 2 additions and 2 deletions
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src/amd/common/ac_nir_to_llvm.c
+2 -2
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@@ -3793,7 +3793,7 @@ static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
goto write_result;
}
if (args.offset && instr->op != nir_texop_txf) {
if (args.offset && instr->op != nir_texop_txf && instr->op != nir_texop_txf_ms) {
LLVMValueRef offset[3], pack;
for (unsigned chan = 0; chan < 3; ++chan)
offset[chan] = ctx->ac.i32_0;
@@ -3932,7 +3932,7 @@ static void visit_tex(struct ac_nir_context *ctx, nir_tex_instr *instr)
args.coords[sample_chan], fmask_ptr);
}
if (args.offset && instr->op == nir_texop_txf) {
if (args.offset && (instr->op == nir_texop_txf || instr->op == nir_texop_txf_ms)) {
int num_offsets = instr->src[offset_src].src.ssa->num_components;
num_offsets = MIN2(num_offsets, instr->coord_components);
for (unsigned i = 0; i < num_offsets; ++i) {