[Mesa-dev] [PATCH] ac/nir: fix txf_ms with an offset

[Rhys Perry]

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

Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
Fixes: f4e499ec791 ('radv: add initial non-conformant radv vulkan driver')
---
 src/amd/common/ac_nir_to_llvm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 96bf89a8bf9..549a26ea243 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -3784,7 +3784,7 @@ 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;
@@ -3919,7 +3919,7 @@ 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) {
-- 
2.21.0