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-rw-r--r--src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
index 4847a0f3355..f153674e9ce 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -2990,9 +2990,15 @@ Converter::handleInstruction(const struct tgsi_full_instruction *insn)
case TGSI_OPCODE_UBFE:
FOR_EACH_DST_ENABLED_CHANNEL(0, c, tgsi) {
src0 = fetchSrc(0, c);
- src1 = fetchSrc(1, c);
- src2 = fetchSrc(2, c);
- mkOp3(OP_INSBF, TYPE_U32, src1, src2, mkImm(0x808), src1);
+ if (tgsi.getSrc(1).getFile() == TGSI_FILE_IMMEDIATE &&
+ tgsi.getSrc(2).getFile() == TGSI_FILE_IMMEDIATE) {
+ src1 = loadImm(NULL, tgsi.getSrc(2).getValueU32(c, info) << 8 |
+ tgsi.getSrc(1).getValueU32(c, info));
+ } else {
+ src1 = fetchSrc(1, c);
+ src2 = fetchSrc(2, c);
+ mkOp3(OP_INSBF, TYPE_U32, src1, src2, mkImm(0x808), src1);
+ }
mkOp2(OP_EXTBF, dstTy, dst0[c], src0, src1);
}
break;