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;