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shader: Improve VOTE.VTG stub

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This commit is contained in:
FernandoS27 2021-04-01 22:20:57 +02:00 committed by ameerj
parent 12f5f32098
commit ecb30c9072
7 changed files with 147 additions and 4 deletions
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8
src/shader_recompiler/backend/spirv/emit_spirv.h
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@ -59,6 +59,14 @@ void EmitSetZFlag(EmitContext& ctx);
void EmitSetSFlag(EmitContext& ctx);
void EmitSetCFlag(EmitContext& ctx);
void EmitSetOFlag(EmitContext& ctx);
void EmitGetFCSMFlag(EmitContext& ctx);
void EmitGetTAFlag(EmitContext& ctx);
void EmitGetTRFlag(EmitContext& ctx);
void EmitGetMXFlag(EmitContext& ctx);
void EmitSetFCSMFlag(EmitContext& ctx);
void EmitSetTAFlag(EmitContext& ctx);
void EmitSetTRFlag(EmitContext& ctx);
void EmitSetMXFlag(EmitContext& ctx);
Id EmitWorkgroupId(EmitContext& ctx);
Id EmitLocalInvocationId(EmitContext& ctx);
Id EmitLoadLocal(EmitContext& ctx, Id word_offset);

32
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
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@ -263,6 +263,38 @@ void EmitSetOFlag(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
void EmitGetFCSMFlag(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
void EmitGetTAFlag(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
void EmitGetTRFlag(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
void EmitGetMXFlag(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
void EmitSetFCSMFlag(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
void EmitSetTAFlag(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
void EmitSetTRFlag(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
void EmitSetMXFlag(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
Id EmitWorkgroupId(EmitContext& ctx) {
return ctx.OpLoad(ctx.U32[3], ctx.workgroup_id);
}

37
src/shader_recompiler/frontend/ir/ir_emitter.cpp
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@ -198,6 +198,38 @@ void IREmitter::SetOFlag(const U1& value) {
Inst(Opcode::SetOFlag, value);
}
U1 IREmitter::GetFCSMFlag() {
return Inst<U1>(Opcode::GetFCSMFlag);
}
U1 IREmitter::GetTAFlag() {
return Inst<U1>(Opcode::GetTAFlag);
}
U1 IREmitter::GetTRFlag() {
return Inst<U1>(Opcode::GetTRFlag);
}
U1 IREmitter::GetMXFlag() {
return Inst<U1>(Opcode::GetMXFlag);
}
void IREmitter::SetFCSMFlag(const U1& value) {
Inst(Opcode::SetFCSMFlag, value);
}
void IREmitter::SetTAFlag(const U1& value) {
Inst(Opcode::SetTAFlag, value);
}
void IREmitter::SetTRFlag(const U1& value) {
Inst(Opcode::SetTRFlag, value);
}
void IREmitter::SetMXFlag(const U1& value) {
Inst(Opcode::SetMXFlag, value);
}
static U1 GetFlowTest(IREmitter& ir, FlowTest flow_test) {
switch (flow_test) {
case FlowTest::F:
@ -256,13 +288,14 @@ static U1 GetFlowTest(IREmitter& ir, FlowTest flow_test) {
return ir.LogicalOr(ir.GetSFlag(), ir.GetZFlag());
case FlowTest::RGT:
return ir.LogicalAnd(ir.LogicalNot(ir.GetSFlag()), ir.LogicalNot(ir.GetZFlag()));
case FlowTest::FCSM_TR:
return ir.LogicalAnd(ir.GetFCSMFlag(), ir.GetTRFlag());
case FlowTest::CSM_TA:
case FlowTest::CSM_TR:
case FlowTest::CSM_MX:
case FlowTest::FCSM_TA:
case FlowTest::FCSM_TR:
case FlowTest::FCSM_MX:
return ir.Imm1(false);
default:
throw NotImplementedException("Flow test {}", flow_test);
}

10
src/shader_recompiler/frontend/ir/ir_emitter.h
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@ -70,6 +70,16 @@ public:
void SetCFlag(const U1& value);
void SetOFlag(const U1& value);
[[nodiscard]] U1 GetFCSMFlag();
[[nodiscard]] U1 GetTAFlag();
[[nodiscard]] U1 GetTRFlag();
[[nodiscard]] U1 GetMXFlag();
void SetFCSMFlag(const U1& value);
void SetTAFlag(const U1& value);
void SetTRFlag(const U1& value);
void SetMXFlag(const U1& value);
[[nodiscard]] U1 Condition(IR::Condition cond);
[[nodiscard]] U1 GetFlowTestResult(FlowTest test);

8
src/shader_recompiler/frontend/ir/opcodes.inc
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@ -46,10 +46,18 @@ OPCODE(GetZFlag, U1, Void
OPCODE(GetSFlag, U1, Void, )
OPCODE(GetCFlag, U1, Void, )
OPCODE(GetOFlag, U1, Void, )
OPCODE(GetFCSMFlag, U1, Void, )
OPCODE(GetTAFlag, U1, Void, )
OPCODE(GetTRFlag, U1, Void, )
OPCODE(GetMXFlag, U1, Void, )
OPCODE(SetZFlag, Void, U1, )
OPCODE(SetSFlag, Void, U1, )
OPCODE(SetCFlag, Void, U1, )
OPCODE(SetOFlag, Void, U1, )
OPCODE(SetFCSMFlag, Void, U1, )
OPCODE(SetTAFlag, Void, U1, )
OPCODE(SetTRFlag, Void, U1, )
OPCODE(SetMXFlag, Void, U1, )
OPCODE(WorkgroupId, U32x3, )
OPCODE(LocalInvocationId, U32x3, )

5
src/shader_recompiler/frontend/maxwell/translate/impl/vote.cpp
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@ -50,7 +50,10 @@ void TranslatorVisitor::VOTE(u64 insn) {
}
void TranslatorVisitor::VOTE_vtg(u64) {
// Stub
// LOG_WARNING("VOTE.VTG: Stubbed!");
auto imm = ir.Imm1(false);
ir.SetFCSMFlag(imm);
ir.SetTRFlag(imm);
}
} // namespace Shader::Maxwell

51
src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp
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@ -38,6 +38,10 @@ struct ZeroFlagTag : FlagTag {};
struct SignFlagTag : FlagTag {};
struct CarryFlagTag : FlagTag {};
struct OverflowFlagTag : FlagTag {};
struct FCSMFlagTag : FlagTag {};
struct TAFlagTag : FlagTag {};
struct TRFlagTag : FlagTag {};
struct MXFlagTag : FlagTag {};
struct GotoVariable : FlagTag {
GotoVariable() = default;
@ -53,7 +57,8 @@ struct IndirectBranchVariable {
};
using Variant = std::variant<IR::Reg, IR::Pred, ZeroFlagTag, SignFlagTag, CarryFlagTag,
OverflowFlagTag, GotoVariable, IndirectBranchVariable>;
OverflowFlagTag, FCSMFlagTag, TAFlagTag, TRFlagTag, MXFlagTag,
GotoVariable, IndirectBranchVariable>;
using ValueMap = boost::container::flat_map<IR::Block*, IR::Value, std::less<IR::Block*>>;
struct DefTable {
@ -89,6 +94,22 @@ struct DefTable {
return overflow_flag;
}
[[nodiscard]] ValueMap& operator[](FCSMFlagTag) noexcept {
return fcsm_flag;
}
[[nodiscard]] ValueMap& operator[](TAFlagTag) noexcept {
return ta_flag;
}
[[nodiscard]] ValueMap& operator[](TRFlagTag) noexcept {
return tr_flag;
}
[[nodiscard]] ValueMap& operator[](MXFlagTag) noexcept {
return mr_flag;
}
std::array<ValueMap, IR::NUM_USER_REGS> regs;
std::array<ValueMap, IR::NUM_USER_PREDS> preds;
boost::container::flat_map<u32, ValueMap> goto_vars;
@ -97,6 +118,10 @@ struct DefTable {
ValueMap sign_flag;
ValueMap carry_flag;
ValueMap overflow_flag;
ValueMap fcsm_flag;
ValueMap ta_flag;
ValueMap tr_flag;
ValueMap mr_flag;
};
IR::Opcode UndefOpcode(IR::Reg) noexcept {
@ -247,6 +272,18 @@ void VisitInst(Pass& pass, IR::Block* block, IR::Inst& inst) {
case IR::Opcode::SetOFlag:
pass.WriteVariable(OverflowFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::SetFCSMFlag:
pass.WriteVariable(FCSMFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::SetTAFlag:
pass.WriteVariable(TAFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::SetTRFlag:
pass.WriteVariable(TRFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::SetMXFlag:
pass.WriteVariable(MXFlagTag{}, block, inst.Arg(0));
break;
case IR::Opcode::GetRegister:
if (const IR::Reg reg{inst.Arg(0).Reg()}; reg != IR::Reg::RZ) {
inst.ReplaceUsesWith(pass.ReadVariable(reg, block));
@ -275,6 +312,18 @@ void VisitInst(Pass& pass, IR::Block* block, IR::Inst& inst) {
case IR::Opcode::GetOFlag:
inst.ReplaceUsesWith(pass.ReadVariable(OverflowFlagTag{}, block));
break;
case IR::Opcode::GetFCSMFlag:
inst.ReplaceUsesWith(pass.ReadVariable(FCSMFlagTag{}, block));
break;
case IR::Opcode::GetTAFlag:
inst.ReplaceUsesWith(pass.ReadVariable(TAFlagTag{}, block));
break;
case IR::Opcode::GetTRFlag:
inst.ReplaceUsesWith(pass.ReadVariable(TRFlagTag{}, block));
break;
case IR::Opcode::GetMXFlag:
inst.ReplaceUsesWith(pass.ReadVariable(MXFlagTag{}, block));
break;
default:
break;
}