diff options
Diffstat (limited to 'src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp')
| -rw-r--r-- | src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp index 3bce9624ab6..1068c210f89 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp @@ -153,6 +153,7 @@ NVC0LegalizeSSA::visit(BasicBlock *bb) NVC0LegalizePostRA::NVC0LegalizePostRA(const Program *prog) : rZero(NULL), carry(NULL), + pOne(NULL), needTexBar(prog->getTarget()->getChipset() >= 0xe0) { } @@ -451,10 +452,12 @@ NVC0LegalizePostRA::visit(Function *fn) insertTextureBarriers(fn); rZero = new_LValue(fn, FILE_GPR); + pOne = new_LValue(fn, FILE_PREDICATE); carry = new_LValue(fn, FILE_FLAGS); rZero->reg.data.id = prog->getTarget()->getFileSize(FILE_GPR); carry->reg.data.id = 0; + pOne->reg.data.id = 7; return true; } @@ -466,8 +469,15 @@ NVC0LegalizePostRA::replaceZero(Instruction *i) if (s == 2 && i->op == OP_SUCLAMP) continue; ImmediateValue *imm = i->getSrc(s)->asImm(); - if (imm && imm->reg.data.u64 == 0) - i->setSrc(s, rZero); + if (imm) { + if (i->op == OP_SELP && s == 2) { + i->setSrc(s, pOne); + if (imm->reg.data.u64 == 0) + i->src(s).mod = i->src(s).mod ^ Modifier(NV50_IR_MOD_NOT); + } else if (imm->reg.data.u64 == 0) { + i->setSrc(s, rZero); + } + } } } @@ -2204,10 +2214,25 @@ NVC0LoweringPass::handleRDSV(Instruction *i) off); break; } - case SV_SAMPLE_MASK: + case SV_SAMPLE_MASK: { ld = bld.mkOp1(OP_PIXLD, TYPE_U32, i->getDef(0), bld.mkImm(0)); ld->subOp = NV50_IR_SUBOP_PIXLD_COVMASK; + Instruction *sampleid = + bld.mkOp1(OP_PIXLD, TYPE_U32, bld.getSSA(), bld.mkImm(0)); + sampleid->subOp = NV50_IR_SUBOP_PIXLD_SAMPLEID; + Value *masked = + bld.mkOp2v(OP_AND, TYPE_U32, bld.getSSA(), ld->getDef(0), + bld.mkOp2v(OP_SHL, TYPE_U32, bld.getSSA(), + bld.loadImm(NULL, 1), sampleid->getDef(0))); + if (prog->driver->prop.fp.persampleInvocation) { + bld.mkMov(i->getDef(0), masked); + } else { + bld.mkOp3(OP_SELP, TYPE_U32, i->getDef(0), ld->getDef(0), masked, + bld.mkImm(0)) + ->subOp = 1; + } break; + } case SV_BASEVERTEX: case SV_BASEINSTANCE: case SV_DRAWID: |