diff options
21 files changed, 437 insertions, 48 deletions
diff --git a/src/shader_recompiler/CMakeLists.txt b/src/shader_recompiler/CMakeLists.txt index 003cbefb1..44ab929b7 100644 --- a/src/shader_recompiler/CMakeLists.txt +++ b/src/shader_recompiler/CMakeLists.txt @@ -52,6 +52,8 @@ add_library(shader_recompiler STATIC frontend/maxwell/control_flow.h frontend/maxwell/decode.cpp frontend/maxwell/decode.h + frontend/maxwell/indirect_branch_table_track.cpp + frontend/maxwell/indirect_branch_table_track.h frontend/maxwell/instruction.h frontend/maxwell/location.h frontend/maxwell/maxwell.inc @@ -63,6 +65,7 @@ add_library(shader_recompiler STATIC frontend/maxwell/structured_control_flow.h frontend/maxwell/translate/impl/bitfield_extract.cpp frontend/maxwell/translate/impl/bitfield_insert.cpp + frontend/maxwell/translate/impl/branch_indirect.cpp frontend/maxwell/translate/impl/common_encoding.h frontend/maxwell/translate/impl/common_funcs.cpp frontend/maxwell/translate/impl/common_funcs.h @@ -110,6 +113,7 @@ add_library(shader_recompiler STATIC frontend/maxwell/translate/impl/integer_short_multiply_add.cpp frontend/maxwell/translate/impl/integer_to_integer_conversion.cpp frontend/maxwell/translate/impl/load_constant.cpp + frontend/maxwell/translate/impl/load_constant.h frontend/maxwell/translate/impl/load_effective_address.cpp frontend/maxwell/translate/impl/load_store_attribute.cpp frontend/maxwell/translate/impl/load_store_local_shared.cpp diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h index 204c5f9e0..02648d769 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv.h +++ b/src/shader_recompiler/backend/spirv/emit_spirv.h @@ -26,6 +26,7 @@ void EmitBranchConditional(EmitContext& ctx, Id condition, Id true_label, Id fal void EmitLoopMerge(EmitContext& ctx, Id merge_label, Id continue_label); void EmitSelectionMerge(EmitContext& ctx, Id merge_label); void EmitReturn(EmitContext& ctx); +void EmitUnreachable(EmitContext& ctx); void EmitDemoteToHelperInvocation(EmitContext& ctx, Id continue_label); void EmitPrologue(EmitContext& ctx); void EmitEpilogue(EmitContext& ctx); @@ -35,6 +36,8 @@ void EmitGetPred(EmitContext& ctx); void EmitSetPred(EmitContext& ctx); void EmitSetGotoVariable(EmitContext& ctx); void EmitGetGotoVariable(EmitContext& ctx); +void EmitSetIndirectBranchVariable(EmitContext& ctx); +void EmitGetIndirectBranchVariable(EmitContext& ctx); Id EmitGetCbufU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset); Id EmitGetCbufS8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset); Id EmitGetCbufU16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset); diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp index 52dcef8a4..4a267b16c 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp @@ -6,8 +6,6 @@ #include "shader_recompiler/backend/spirv/emit_spirv.h" -#pragma optimize("", off) - namespace Shader::Backend::SPIRV { namespace { struct AttrInfo { @@ -74,6 +72,14 @@ void EmitGetGotoVariable(EmitContext&) { throw NotImplementedException("SPIR-V Instruction"); } +void EmitSetIndirectBranchVariable(EmitContext&) { + throw NotImplementedException("SPIR-V Instruction"); +} + +void EmitGetIndirectBranchVariable(EmitContext&) { + throw NotImplementedException("SPIR-V Instruction"); +} + static Id GetCbuf(EmitContext& ctx, Id result_type, Id UniformDefinitions::*member_ptr, u32 element_size, const IR::Value& binding, const IR::Value& offset) { if (!binding.IsImmediate()) { diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_control_flow.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_control_flow.cpp index 6b81f0169..335603f88 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_control_flow.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_control_flow.cpp @@ -26,6 +26,10 @@ void EmitReturn(EmitContext& ctx) { ctx.OpReturn(); } +void EmitUnreachable(EmitContext& ctx) { + ctx.OpUnreachable(); +} + void EmitDemoteToHelperInvocation(EmitContext& ctx, Id continue_label) { ctx.OpDemoteToHelperInvocationEXT(); ctx.OpBranch(continue_label); diff --git a/src/shader_recompiler/environment.h b/src/shader_recompiler/environment.h index 9415d02f6..1c50ae51e 100644 --- a/src/shader_recompiler/environment.h +++ b/src/shader_recompiler/environment.h @@ -15,6 +15,8 @@ public: [[nodiscard]] virtual u64 ReadInstruction(u32 address) = 0; + [[nodiscard]] virtual u32 ReadCbufValue(u32 cbuf_index, u32 cbuf_offset) = 0; + [[nodiscard]] virtual TextureType ReadTextureType(u32 cbuf_index, u32 cbuf_offset) = 0; [[nodiscard]] virtual u32 TextureBoundBuffer() const = 0; diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp index 9b898e4e1..552472487 100644 --- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp +++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp @@ -87,6 +87,10 @@ void IREmitter::Return() { Inst(Opcode::Return); } +void IREmitter::Unreachable() { + Inst(Opcode::Unreachable); +} + void IREmitter::DemoteToHelperInvocation(Block* continue_label) { block->SetBranch(continue_label); continue_label->AddImmediatePredecessor(block); @@ -126,6 +130,14 @@ void IREmitter::SetGotoVariable(u32 id, const U1& value) { Inst(Opcode::SetGotoVariable, id, value); } +U32 IREmitter::GetIndirectBranchVariable() { + return Inst<U32>(Opcode::GetIndirectBranchVariable); +} + +void IREmitter::SetIndirectBranchVariable(const U32& value) { + Inst(Opcode::SetIndirectBranchVariable, value); +} + void IREmitter::SetPred(IR::Pred pred, const U1& value) { Inst(Opcode::SetPred, pred, value); } diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h index 269f367a4..17bc32fc8 100644 --- a/src/shader_recompiler/frontend/ir/ir_emitter.h +++ b/src/shader_recompiler/frontend/ir/ir_emitter.h @@ -37,6 +37,7 @@ public: void LoopMerge(Block* merge_block, Block* continue_target); void SelectionMerge(Block* merge_block); void Return(); + void Unreachable(); void DemoteToHelperInvocation(Block* continue_label); void Prologue(); @@ -51,6 +52,9 @@ public: [[nodiscard]] U1 GetGotoVariable(u32 id); void SetGotoVariable(u32 id, const U1& value); + [[nodiscard]] U32 GetIndirectBranchVariable(); + void SetIndirectBranchVariable(const U32& value); + [[nodiscard]] U32 GetCbuf(const U32& binding, const U32& byte_offset); [[nodiscard]] UAny GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize, bool is_signed); diff --git a/src/shader_recompiler/frontend/ir/microinstruction.cpp b/src/shader_recompiler/frontend/ir/microinstruction.cpp index 52a5e5034..c3ba6b522 100644 --- a/src/shader_recompiler/frontend/ir/microinstruction.cpp +++ b/src/shader_recompiler/frontend/ir/microinstruction.cpp @@ -55,6 +55,7 @@ bool Inst::MayHaveSideEffects() const noexcept { case Opcode::LoopMerge: case Opcode::SelectionMerge: case Opcode::Return: + case Opcode::Unreachable: case Opcode::DemoteToHelperInvocation: case Opcode::Prologue: case Opcode::Epilogue: diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc index 9b050995b..fb79e3d8d 100644 --- a/src/shader_recompiler/frontend/ir/opcodes.inc +++ b/src/shader_recompiler/frontend/ir/opcodes.inc @@ -13,6 +13,7 @@ OPCODE(BranchConditional, Void, U1, OPCODE(LoopMerge, Void, Label, Label, ) OPCODE(SelectionMerge, Void, Label, ) OPCODE(Return, Void, ) +OPCODE(Unreachable, Void, ) OPCODE(DemoteToHelperInvocation, Void, Label, ) // Special operations @@ -26,6 +27,8 @@ OPCODE(GetPred, U1, Pred OPCODE(SetPred, Void, Pred, U1, ) OPCODE(GetGotoVariable, U1, U32, ) OPCODE(SetGotoVariable, Void, U32, U1, ) +OPCODE(GetIndirectBranchVariable, U32, ) +OPCODE(SetIndirectBranchVariable, Void, U32, ) OPCODE(GetCbufU8, U32, U32, U32, ) OPCODE(GetCbufS8, U32, U32, U32, ) OPCODE(GetCbufU16, U32, U32, U32, ) diff --git a/src/shader_recompiler/frontend/maxwell/control_flow.cpp b/src/shader_recompiler/frontend/maxwell/control_flow.cpp index 4f6707fae..1e9b8e426 100644 --- a/src/shader_recompiler/frontend/maxwell/control_flow.cpp +++ b/src/shader_recompiler/frontend/maxwell/control_flow.cpp @@ -14,6 +14,7 @@ #include "shader_recompiler/exception.h" #include "shader_recompiler/frontend/maxwell/control_flow.h" #include "shader_recompiler/frontend/maxwell/decode.h" +#include "shader_recompiler/frontend/maxwell/indirect_branch_table_track.h" #include "shader_recompiler/frontend/maxwell/location.h" namespace Shader::Maxwell::Flow { @@ -252,9 +253,7 @@ CFG::AnalysisState CFG::AnalyzeInst(Block* block, FunctionId function_id, Locati const Opcode opcode{Decode(inst.raw)}; switch (opcode) { case Opcode::BRA: - case Opcode::BRX: case Opcode::JMP: - case Opcode::JMX: case Opcode::RET: if (!AnalyzeBranch(block, function_id, pc, inst, opcode)) { return AnalysisState::Continue; @@ -264,10 +263,6 @@ CFG::AnalysisState CFG::AnalyzeInst(Block* block, FunctionId function_id, Locati case Opcode::JMP: AnalyzeBRA(block, function_id, pc, inst, IsAbsoluteJump(opcode)); break; - case Opcode::BRX: - case Opcode::JMX: - AnalyzeBRX(block, pc, inst, IsAbsoluteJump(opcode)); - break; case Opcode::RET: block->end_class = EndClass::Return; break; @@ -302,6 +297,9 @@ CFG::AnalysisState CFG::AnalyzeInst(Block* block, FunctionId function_id, Locati case Opcode::SSY: block->stack.Push(OpcodeToken(opcode), BranchOffset(pc, inst)); return AnalysisState::Continue; + case Opcode::BRX: + case Opcode::JMX: + return AnalyzeBRX(block, pc, inst, IsAbsoluteJump(opcode), function_id); case Opcode::EXIT: return AnalyzeEXIT(block, function_id, pc, inst); case Opcode::PRET: @@ -407,8 +405,46 @@ void CFG::AnalyzeBRA(Block* block, FunctionId function_id, Location pc, Instruct block->branch_true = AddLabel(block, block->stack, bra_pc, function_id); } -void CFG::AnalyzeBRX(Block*, Location, Instruction, bool is_absolute) { - throw NotImplementedException("{}", is_absolute ? "JMX" : "BRX"); +CFG::AnalysisState CFG::AnalyzeBRX(Block* block, Location pc, Instruction inst, bool is_absolute, + FunctionId function_id) { + const std::optional brx_table{TrackIndirectBranchTable(env, pc, block->begin)}; + if (!brx_table) { + TrackIndirectBranchTable(env, pc, block->begin); + throw NotImplementedException("Failed to track indirect branch"); + } + const IR::FlowTest flow_test{inst.branch.flow_test}; + const Predicate pred{inst.Pred()}; + if (flow_test != IR::FlowTest::T || pred != Predicate{true}) { + throw NotImplementedException("Conditional indirect branch"); + } + std::vector<u32> targets; + targets.reserve(brx_table->num_entries); + for (u32 i = 0; i < brx_table->num_entries; ++i) { + u32 target{env.ReadCbufValue(brx_table->cbuf_index, brx_table->cbuf_offset + i * 4)}; + if (!is_absolute) { + target += pc.Offset(); + } + target += brx_table->branch_offset; + target += 8; + targets.push_back(target); + } + std::ranges::sort(targets); + targets.erase(std::unique(targets.begin(), targets.end()), targets.end()); + + block->indirect_branches.reserve(targets.size()); + for (const u32 target : targets) { + Block* const branch{AddLabel(block, block->stack, target, function_id)}; + block->indirect_branches.push_back(branch); + } + block->cond = IR::Condition{true}; + block->end = pc + 1; + block->end_class = EndClass::IndirectBranch; + block->branch_reg = brx_table->branch_reg; + block->branch_offset = brx_table->branch_offset + 8; + if (!is_absolute) { + block->branch_offset += pc.Offset(); + } + return AnalysisState::Branch; } CFG::AnalysisState CFG::AnalyzeEXIT(Block* block, FunctionId function_id, Location pc, @@ -449,7 +485,6 @@ Block* CFG::AddLabel(Block* block, Stack stack, Location pc, FunctionId function // Block already exists and it has been visited return &*it; } - // TODO: FIX DANGLING BLOCKS Block* const new_block{block_pool.Create(Block{ .begin{pc}, .end{pc}, @@ -494,6 +529,11 @@ std::string CFG::Dot() const { add_branch(block.branch_false, false); } break; + case EndClass::IndirectBranch: + for (Block* const branch : block.indirect_branches) { + add_branch(branch, false); + } + break; case EndClass::Call: dot += fmt::format("\t\t{}->N{};\n", name, node_uid); dot += fmt::format("\t\tN{}->{};\n", node_uid, NameOf(*block.return_block)); diff --git a/src/shader_recompiler/frontend/maxwell/control_flow.h b/src/shader_recompiler/frontend/maxwell/control_flow.h index 22f134194..1e05fcb97 100644 --- a/src/shader_recompiler/frontend/maxwell/control_flow.h +++ b/src/shader_recompiler/frontend/maxwell/control_flow.h @@ -26,6 +26,7 @@ using FunctionId = size_t; enum class EndClass { Branch, + IndirectBranch, Call, Exit, Return, @@ -76,11 +77,14 @@ struct Block : boost::intrusive::set_base_hook< union { Block* branch_true; FunctionId function_call; + IR::Reg branch_reg; }; union { Block* branch_false; Block* return_block; + s32 branch_offset; }; + std::vector<Block*> indirect_branches; }; struct Label { @@ -139,7 +143,8 @@ private: void AnalyzeBRA(Block* block, FunctionId function_id, Location pc, Instruction inst, bool is_absolute); - void AnalyzeBRX(Block* block, Location pc, Instruction inst, bool is_absolute); + AnalysisState AnalyzeBRX(Block* block, Location pc, Instruction inst, bool is_absolute, + FunctionId function_id); AnalysisState AnalyzeEXIT(Block* block, FunctionId function_id, Location pc, Instruction inst); /// Return the branch target block id diff --git a/src/shader_recompiler/frontend/maxwell/indirect_branch_table_track.cpp b/src/shader_recompiler/frontend/maxwell/indirect_branch_table_track.cpp new file mode 100644 index 000000000..96453509d --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/indirect_branch_table_track.cpp @@ -0,0 +1,108 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <optional> + +#include "common/common_types.h" +#include "shader_recompiler/exception.h" +#include "shader_recompiler/frontend/maxwell/decode.h" +#include "shader_recompiler/frontend/maxwell/indirect_branch_table_track.h" +#include "shader_recompiler/frontend/maxwell/opcodes.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/load_constant.h" + +namespace Shader::Maxwell { +namespace { +union Encoding { + u64 raw; + BitField<0, 8, IR::Reg> dest_reg; + BitField<8, 8, IR::Reg> src_reg; + BitField<20, 19, u64> immediate; + BitField<56, 1, u64> is_negative; + BitField<20, 24, s64> brx_offset; +}; + +template <typename Callable> +std::optional<u64> Track(Environment& env, Location block_begin, Location& pos, Callable&& func) { + while (pos >= block_begin) { + const u64 insn{env.ReadInstruction(pos.Offset())}; + --pos; + if (func(insn, Decode(insn))) { + return insn; + } + } + return std::nullopt; +} + +std::optional<u64> TrackLDC(Environment& env, Location block_begin, Location& pos, + IR::Reg brx_reg) { + return Track(env, block_begin, pos, [brx_reg](u64 insn, Opcode opcode) { + const LDC::Encoding ldc{insn}; + return opcode == Opcode::LDC && ldc.dest_reg == brx_reg && ldc.size == LDC::Size::B32 && + ldc.mode == LDC::Mode::Default; + }); +} + +std::optional<u64> TrackSHL(Environment& env, Location block_begin, Location& pos, + IR::Reg ldc_reg) { + return Track(env, block_begin, pos, [ldc_reg](u64 insn, Opcode opcode) { + const Encoding shl{insn}; + return opcode == Opcode::SHL_imm && shl.dest_reg == ldc_reg; + }); +} + +std::optional<u64> TrackIMNMX(Environment& env, Location block_begin, Location& pos, + IR::Reg shl_reg) { + return Track(env, block_begin, pos, [shl_reg](u64 insn, Opcode opcode) { + const Encoding imnmx{insn}; + return opcode == Opcode::IMNMX_imm && imnmx.dest_reg == shl_reg; + }); +} +} // Anonymous namespace + +std::optional<IndirectBranchTableInfo> TrackIndirectBranchTable(Environment& env, Location brx_pos, + Location block_begin) { + const u64 brx_insn{env.ReadInstruction(brx_pos.Offset())}; + const Opcode brx_opcode{Decode(brx_insn)}; + if (brx_opcode != Opcode::BRX && brx_opcode != Opcode::JMX) { + throw LogicError("Tracked instruction is not BRX or JMX"); + } + const IR::Reg brx_reg{Encoding{brx_insn}.src_reg}; + const s32 brx_offset{static_cast<s32>(Encoding{brx_insn}.brx_offset)}; + + Location pos{brx_pos}; + const std::optional<u64> ldc_insn{TrackLDC(env, block_begin, pos, brx_reg)}; + if (!ldc_insn) { + return std::nullopt; + } + const LDC::Encoding ldc{*ldc_insn}; + const u32 cbuf_index{static_cast<u32>(ldc.index)}; + const u32 cbuf_offset{static_cast<u32>(static_cast<s32>(ldc.offset.Value()))}; + const IR::Reg ldc_reg{ldc.src_reg}; + + const std::optional<u64> shl_insn{TrackSHL(env, block_begin, pos, ldc_reg)}; + if (!shl_insn) { + return std::nullopt; + } + const Encoding shl{*shl_insn}; + const IR::Reg shl_reg{shl.src_reg}; + + const std::optional<u64> imnmx_insn{TrackIMNMX(env, block_begin, pos, shl_reg)}; + if (!imnmx_insn) { + return std::nullopt; + } + const Encoding imnmx{*imnmx_insn}; + if (imnmx.is_negative != 0) { + return std::nullopt; + } + const u32 imnmx_immediate{static_cast<u32>(imnmx.immediate.Value())}; + return IndirectBranchTableInfo{ + .cbuf_index{cbuf_index}, + .cbuf_offset{cbuf_offset}, + .num_entries{imnmx_immediate + 1}, + .branch_offset{brx_offset}, + .branch_reg{brx_reg}, + }; +} + +} // namespace Shader::Maxwell diff --git a/src/shader_recompiler/frontend/maxwell/indirect_branch_table_track.h b/src/shader_recompiler/frontend/maxwell/indirect_branch_table_track.h new file mode 100644 index 000000000..eee5102fa --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/indirect_branch_table_track.h @@ -0,0 +1,28 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <optional> + +#include "common/bit_field.h" +#include "common/common_types.h" +#include "shader_recompiler/environment.h" +#include "shader_recompiler/frontend/ir/reg.h" +#include "shader_recompiler/frontend/maxwell/location.h" + +namespace Shader::Maxwell { + +struct IndirectBranchTableInfo { + u32 cbuf_index{}; + u32 cbuf_offset{}; + u32 num_entries{}; + s32 branch_offset{}; + IR::Reg branch_reg{}; +}; + +std::optional<IndirectBranchTableInfo> TrackIndirectBranchTable(Environment& env, Location brx_pos, + Location block_begin); + +} // namespace Shader::Maxwell diff --git a/src/shader_recompiler/frontend/maxwell/instruction.h b/src/shader_recompiler/frontend/maxwell/instruction.h index 57fd531f2..743d68d61 100644 --- a/src/shader_recompiler/frontend/maxwell/instruction.h +++ b/src/shader_recompiler/frontend/maxwell/instruction.h @@ -7,6 +7,7 @@ #include "common/bit_field.h" #include "common/common_types.h" #include "shader_recompiler/frontend/ir/flow_test.h" +#include "shader_recompiler/frontend/ir/reg.h" namespace Shader::Maxwell { diff --git a/src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp b/src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp index 9d4688390..a6e55f61e 100644 --- a/src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp +++ b/src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp @@ -17,6 +17,7 @@ #include "shader_recompiler/environment.h" #include "shader_recompiler/frontend/ir/basic_block.h" #include "shader_recompiler/frontend/ir/ir_emitter.h" +#include "shader_recompiler/frontend/maxwell/decode.h" #include "shader_recompiler/frontend/maxwell/structured_control_flow.h" #include "shader_recompiler/frontend/maxwell/translate/translate.h" #include "shader_recompiler/object_pool.h" @@ -46,12 +47,15 @@ enum class StatementType { Break, Return, Kill, + Unreachable, Function, Identity, Not, Or, SetVariable, + SetIndirectBranchVariable, Variable, + IndirectBranchCond, }; bool HasChildren(StatementType type) { @@ -72,12 +76,15 @@ struct Loop {}; struct Break {}; struct Return {}; struct Kill {}; +struct Unreachable {}; struct FunctionTag {}; struct Identity {}; struct Not {}; struct Or {}; struct SetVariable {}; +struct SetIndirectBranchVariable {}; struct Variable {}; +struct IndirectBranchCond {}; #ifdef _MSC_VER #pragma warning(push) @@ -96,6 +103,7 @@ struct Statement : ListBaseHook { : cond{cond_}, up{up_}, type{StatementType::Break} {} Statement(Return) : type{StatementType::Return} {} Statement(Kill) : type{StatementType::Kill} {} + Statement(Unreachable) : type{StatementType::Unreachable} {} Statement(FunctionTag) : children{}, type{StatementType::Function} {} Statement(Identity, IR::Condition cond_) : guest_cond{cond_}, type{StatementType::Identity} {} Statement(Not, Statement* op_) : op{op_}, type{StatementType::Not} {} @@ -103,7 +111,12 @@ struct Statement : ListBaseHook { : op_a{op_a_}, op_b{op_b_}, type{StatementType::Or} {} Statement(SetVariable, u32 id_, Statement* op_, Statement* up_) : op{op_}, id{id_}, up{up_}, type{StatementType::SetVariable} {} + Statement(SetIndirectBranchVariable, IR::Reg branch_reg_, s32 branch_offset_) + : branch_offset{branch_offset_}, + branch_reg{branch_reg_}, type{StatementType::SetIndirectBranchVariable} {} Statement(Variable, u32 id_) : id{id_}, type{StatementType::Variable} {} + Statement(IndirectBranchCond, u32 location_) + : location{location_}, type{StatementType::IndirectBranchCond} {} ~Statement() { if (HasChildren(type)) { @@ -118,11 +131,14 @@ struct Statement : ListBaseHook { IR::Condition guest_cond; Statement* op; Statement* op_a; + u32 location; + s32 branch_offset; }; union { Statement* cond; Statement* op_b; u32 id; + IR::Reg branch_reg; }; Statement* up{}; StatementType type; @@ -141,6 +157,8 @@ std::string DumpExpr(const Statement* stmt) { return fmt::format("{} || {}", DumpExpr(stmt->op_a), DumpExpr(stmt->op_b)); case StatementType::Variable: return fmt::format("goto_L{}", stmt->id); + case StatementType::IndirectBranchCond: + return fmt::format("(indirect_branch == {:x})", stmt->location); default: return "<invalid type>"; } @@ -182,14 +200,22 @@ std::string DumpTree(const Tree& tree, u32 indentation = 0) { case StatementType::Kill: ret += fmt::format("{} kill;\n", indent); break; + case StatementType::Unreachable: + ret += fmt::format("{} unreachable;\n", indent); + break; case StatementType::SetVariable: ret += fmt::format("{} goto_L{} = {};\n", indent, stmt->id, DumpExpr(stmt->op)); break; + case StatementType::SetIndirectBranchVariable: + ret += fmt::format("{} indirect_branch = {} + {};\n", indent, stmt->branch_reg, + stmt->branch_offset); + break; case StatementType::Function: case StatementType::Identity: case StatementType::Not: case StatementType::Or: case StatementType::Variable: + case StatementType::IndirectBranchCond: throw LogicError("Statement can't be printed"); } } @@ -417,6 +443,17 @@ private: } break; } + case Flow::EndClass::IndirectBranch: + root.insert(ip, *pool.Create(SetIndirectBranchVariable{}, block.branch_reg, + block.branch_offset)); + for (Flow::Block* const branch : block.indirect_branches) { + const Node indirect_label{local_labels.at(branch)}; + Statement* cond{pool.Create(IndirectBranchCond{}, branch->begin.Offset())}; + Statement* goto_stmt{pool.Create(Goto{}, cond, indirect_label, &root_stmt)}; + gotos.push_back(root.insert(ip, *goto_stmt)); + } + root.insert(ip, *pool.Create(Unreachable{})); + break; case Flow::EndClass::Call: { Flow::Function& call{cfg.Functions()[block.function_call]}; const Node call_return_label{local_labels.at(block.return_block)}; @@ -623,6 +660,8 @@ IR::Block* TryFindForwardBlock(const Statement& stmt) { return ir.LogicalOr(VisitExpr(ir, *stmt.op_a), VisitExpr(ir, *stmt.op_b)); case StatementType::Variable: return ir.GetGotoVariable(stmt.id); + case StatementType::IndirectBranchCond: + return ir.IEqual(ir.GetIndirectBranchVariable(), ir.Imm32(stmt.location)); default: throw NotImplementedException("Statement type {}", stmt.type); } @@ -670,6 +709,15 @@ private: ir.SetGotoVariable(stmt.id, VisitExpr(ir, *stmt.op)); break; } + case StatementType::SetIndirectBranchVariable: { + if (!current_block) { + current_block = MergeBlock(parent, stmt); + } + IR::IREmitter ir{*current_block}; + IR::U32 address{ir.IAdd(ir.GetReg(stmt.branch_reg), ir.Imm32(stmt.branch_offset))}; + ir.SetIndirectBranchVariable(address); + break; + } case StatementType::If: { if (!current_block) { current_block = block_pool.Create(inst_pool); @@ -756,6 +804,15 @@ private: current_block = demote_block; break; } + case StatementType::Unreachable: { + if (!current_block) { + current_block = block_pool.Create(inst_pool); + block_list.push_back(current_block); + } + IR::IREmitter{*current_block}.Unreachable(); + current_block = nullptr; + break; + } default: throw NotImplementedException("Statement type {}", stmt.type); } diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/branch_indirect.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/branch_indirect.cpp new file mode 100644 index 000000000..371c0e0f7 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/branch_indirect.cpp @@ -0,0 +1,36 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/bit_field.h" +#include "common/common_types.h" +#include "shader_recompiler/exception.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { +namespace { +void Check(u64 insn) { + union { + u64 raw; + BitField<5, 1, u64> cbuf_mode; + BitField<6, 1, u64> lmt; + } const encoding{insn}; + + if (encoding.cbuf_mode != 0) { + throw NotImplementedException("Constant buffer mode"); + } + if (encoding.lmt != 0) { + throw NotImplementedException("LMT"); + } +} +} // Anonymous namespace + +void TranslatorVisitor::BRX(u64 insn) { + Check(insn); +} + +void TranslatorVisitor::JMX(u64 insn) { + Check(insn); +} + +} // namespace Shader::Maxwell diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/load_constant.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/load_constant.cpp index 39becf93c..49ccb7d62 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/load_constant.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/load_constant.cpp @@ -5,25 +5,11 @@ #include "common/bit_field.h" #include "common/common_types.h" #include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/load_constant.h" namespace Shader::Maxwell { +using namespace LDC; namespace { -enum class Mode : u64 { - Default, - IL, - IS, - ISL, -}; - -enum class Size : u64 { - U8, - S8, - U16, - S16, - B32, - B64, -}; - std::pair<IR::U32, IR::U32> Slot(IR::IREmitter& ir, Mode mode, const IR::U32& imm_index, const IR::U32& reg, const IR::U32& imm) { switch (mode) { @@ -37,16 +23,7 @@ std::pair<IR::U32, IR::U32> Slot(IR::IREmitter& ir, Mode mode, const IR::U32& im } // Anonymous namespace void TranslatorVisitor::LDC(u64 insn) { - union { - u64 raw; - BitField<0, 8, IR::Reg> dest_reg; - BitField<8, 8, IR::Reg> src_reg; - BitField<20, 16, s64> offset; - BitField<36, 5, u64> index; - BitField<44, 2, Mode> mode; - BitField<48, 3, Size> size; - } const ldc{insn}; - + const Encoding ldc{insn}; const IR::U32 imm_index{ir.Imm32(static_cast<u32>(ldc.index))}; const IR::U32 reg{X(ldc.src_reg)}; const IR::U32 imm{ir.Imm32(static_cast<s32>(ldc.offset))}; diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/load_constant.h b/src/shader_recompiler/frontend/maxwell/translate/impl/load_constant.h new file mode 100644 index 000000000..3074ea0e3 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/load_constant.h @@ -0,0 +1,39 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/bit_field.h" +#include "common/common_types.h" +#include "shader_recompiler/frontend/ir/reg.h" + +namespace Shader::Maxwell::LDC { + +enum class Mode : u64 { + Default, + IL, + IS, + ISL, +}; + +enum class Size : u64 { + U8, + S8, + U16, + S16, + B32, + B64, +}; + +union Encoding { + u64 raw; + BitField<0, 8, IR::Reg> dest_reg; + BitField<8, 8, IR::Reg> src_reg; + BitField<20, 16, s64> offset; + BitField<36, 5, u64> index; + BitField<44, 2, Mode> mode; + BitField<48, 3, Size> size; +}; + +} // namespace Shader::Maxwell::LDC diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp index b62d8ee2a..a0057a473 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp @@ -53,10 +53,6 @@ void TranslatorVisitor::BRK(u64) { ThrowNotImplemented(Opcode::BRK); } -void TranslatorVisitor::BRX(u64) { - ThrowNotImplemented(Opcode::BRX); -} - void TranslatorVisitor::CAL() { // CAL is a no-op } @@ -181,10 +177,6 @@ void TranslatorVisitor::JMP(u64) { ThrowNotImplemented(Opcode::JMP); } -void TranslatorVisitor::JMX(u64) { - ThrowNotImplemented(Opcode::JMX); -} - void TranslatorVisitor::KIL() { // KIL is a no-op } diff --git a/src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp b/src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp index bab7ca186..259233746 100644 --- a/src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp +++ b/src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp @@ -48,8 +48,12 @@ struct GotoVariable : FlagTag { u32 index; }; +struct IndirectBranchVariable { + auto operator<=>(const IndirectBranchVariable&) const noexcept = default; +}; + using Variant = std::variant<IR::Reg, IR::Pred, ZeroFlagTag, SignFlagTag, CarryFlagTag, - OverflowFlagTag, GotoVariable>; + OverflowFlagTag, GotoVariable, IndirectBranchVariable>; using ValueMap = boost::container::flat_map<IR::Block*, IR::Value, std::less<IR::Block*>>; struct DefTable { @@ -65,6 +69,10 @@ struct DefTable { return goto_vars[goto_variable.index]; } + [[nodiscard]] ValueMap& operator[](IndirectBranchVariable) { + return indirect_branch_var; + } + [[nodiscard]] ValueMap& operator[](ZeroFlagTag) noexcept { return zero_flag; } @@ -84,6 +92,7 @@ struct DefTable { std::array<ValueMap, IR::NUM_USER_REGS> regs; std::array<ValueMap, IR::NUM_USER_PREDS> preds; boost::container::flat_map<u32, ValueMap> goto_vars; + ValueMap indirect_branch_var; ValueMap zero_flag; ValueMap sign_flag; ValueMap carry_flag; @@ -102,6 +111,10 @@ IR::Opcode UndefOpcode(const FlagTag&) noexcept { return IR::Opcode::UndefU1; } +IR::Opcode UndefOpcode(IndirectBranchVariable) noexcept { + return IR::Opcode::UndefU32; +} + [[nodiscard]] bool IsPhi(const IR::Inst& inst) noexcept { return inst.Opcode() == IR::Opcode::Phi; } @@ -219,6 +232,9 @@ void VisitInst(Pass& pass, IR::Block* block, IR::Inst& inst) { case IR::Opcode::SetGotoVariable: pass.WriteVariable(GotoVariable{inst.Arg(0).U32()}, block, inst.Arg(1)); break; + case IR::Opcode::SetIndirectBranchVariable: + pass.WriteVariable(IndirectBranchVariable{}, block, inst.Arg(0)); + break; case IR::Opcode::SetZFlag: pass.WriteVariable(ZeroFlagTag{}, block, inst.Arg(0)); break; @@ -244,6 +260,9 @@ void VisitInst(Pass& pass, IR::Block* block, IR::Inst& inst) { case IR::Opcode::GetGotoVariable: inst.ReplaceUsesWith(pass.ReadVariable(GotoVariable{inst.Arg(0).U32()}, block)); break; + case IR::Opcode::GetIndirectBranchVariable: + inst.ReplaceUsesWith(pass.ReadVariable(IndirectBranchVariable{}, block)); + break; case IR::Opcode::GetZFlag: inst.ReplaceUsesWith(pass.ReadVariable(ZeroFlagTag{}, block)); break; diff --git a/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp b/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp index 8b2816c13..6cde01491 100644 --- a/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp +++ b/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp @@ -47,7 +47,7 @@ auto MakeSpan(Container& container) { } u64 MakeCbufKey(u32 index, u32 offset) { - return (static_cast<u64>(index) << 32) | static_cast<u64>(offset); + return (static_cast<u64>(index) << 32) | offset; } class GenericEnvironment : public Shader::Environment { @@ -114,11 +114,13 @@ public: gpu_memory->ReadBlock(program_base + read_lowest, data.get(), code_size); const u64 num_texture_types{static_cast<u64>(texture_types.size())}; + const u64 num_cbuf_values{static_cast<u64>(cbuf_values.size())}; const u32 local_memory_size{LocalMemorySize()}; const u32 texture_bound{TextureBoundBuffer()}; file.write(reinterpret_cast<const char*>(&code_size), sizeof(code_size)) .write(reinterpret_cast<const char*>(&num_texture_types), sizeof(num_texture_types)) + .write(reinterpret_cast<const char*>(&num_cbuf_values), sizeof(num_cbuf_values)) .write(reinterpret_cast<const char*>(&local_memory_size), sizeof(local_memory_size)) .write(reinterpret_cast<const char*>(&texture_bound), sizeof(texture_bound)) .write(reinterpret_cast<const char*>(&start_address), sizeof(start_address)) @@ -130,6 +132,10 @@ public: file.write(reinterpret_cast<const char*>(&key), sizeof(key)) .write(reinterpret_cast<const char*>(&type), sizeof(type)); } + for (const auto [key, type] : cbuf_values) { + file.write(reinterpret_cast<const char*>(&key), sizeof(key)) + .write(reinterpret_cast<const char*>(&type), sizeof(type)); + } if (stage == Shader::Stage::Compute) { const std::array<u32, 3> workgroup_size{WorkgroupSize()}; const u32 shared_memory_size{SharedMemorySize()}; @@ -212,6 +218,7 @@ protected: std::vector<u64> code; std::unordered_map<u64, Shader::TextureType> texture_types; + std::unordered_map<u64, u32> cbuf_values; u32 read_lowest = std::numeric_limits<u32>::max(); u32 read_highest = 0; @@ -267,6 +274,17 @@ public: ~GraphicsEnvironment() override = default; + u32 ReadCbufValue(u32 cbuf_index, u32 cbuf_offset) override { + const auto& cbuf{maxwell3d->state.shader_stages[stage_index].const_buffers[cbuf_index]}; + ASSERT(cbuf.enabled); + u32 value{}; + if (cbuf_offset < cbuf.size) { + value = gpu_memory->Read<u32>(cbuf.address + cbuf_offset); + } + cbuf_values.emplace(MakeCbufKey(cbuf_index, cbuf_offset), value); + return value; + } + Shader::TextureType ReadTextureType(u32 cbuf_index, u32 cbuf_offset) override { const auto& regs{maxwell3d->regs}; const auto& cbuf{maxwell3d->state.shader_stages[stage_index].const_buffers[cbuf_index]}; @@ -312,6 +330,18 @@ public: ~ComputeEnvironment() override = default; + u32 ReadCbufValue(u32 cbuf_index, u32 cbuf_offset) override { + const auto& qmd{kepler_compute->launch_description}; + ASSERT(((qmd.const_buffer_enable_mask.Value() >> cbuf_index) & 1) != 0); + const auto& cbuf{qmd.const_buffer_config[cbuf_index]}; + u32 value{}; + if (cbuf_offset < cbuf.size) { + value = gpu_memory->Read<u32>(cbuf.Address() + cbuf_offset); + } + cbuf_values.emplace(MakeCbufKey(cbuf_index, cbuf_offset), value); + return value; + } + Shader::TextureType ReadTextureType(u32 cbuf_index, u32 cbuf_offset) override { const auto& regs{kepler_compute->regs}; const auto& qmd{kepler_compute->launch_description}; @@ -386,8 +416,10 @@ public: void Deserialize(std::ifstream& file) { u64 code_size{}; u64 num_texture_types{}; + u64 num_cbuf_values{}; file.read(reinterpret_cast<char*>(&code_size), sizeof(code_size)) .read(reinterpret_cast<char*>(&num_texture_types), sizeof(num_texture_types)) + .read(reinterpret_cast<char*>(&num_cbuf_values), sizeof(num_cbuf_values)) .read(reinterpret_cast<char*>(&local_memory_size), sizeof(local_memory_size)) .read(reinterpret_cast<char*>(&texture_bound), sizeof(texture_bound)) .read(reinterpret_cast<char*>(&start_address), sizeof(start_address)) @@ -403,6 +435,13 @@ public: .read(reinterpret_cast<char*>(&type), sizeof(type)); texture_types.emplace(key, type); } + for (size_t i = 0; i < num_cbuf_values; ++i) { + u64 key; + u32 value; + file.read(reinterpret_cast<char*>(&key), sizeof(key)) + .read(reinterpret_cast<char*>(&value), sizeof(value)); + cbuf_values.emplace(key, value); + } if (stage == Shader::Stage::Compute) { file.read(reinterpret_cast<char*>(&workgroup_size), sizeof(workgroup_size)) .read(reinterpret_cast<char*>(&shared_memory_size), sizeof(shared_memory_size)); @@ -418,6 +457,14 @@ public: return code[(address - read_lowest) / sizeof(u64)]; } + u32 ReadCbufValue(u32 cbuf_index, u32 cbuf_offset) override { + const auto it{cbuf_values.find(MakeCbufKey(cbuf_index, cbuf_offset))}; + if (it == cbuf_values.end()) { + throw Shader::LogicError("Uncached read texture type"); + } + return it->second; + } + Shader::TextureType ReadTextureType(u32 cbuf_index, u32 cbuf_offset) override { const auto it{texture_types.find(MakeCbufKey(cbuf_index, cbuf_offset))}; if (it == texture_types.end()) { @@ -445,6 +492,7 @@ public: private: std::unique_ptr<u64[]> code; std::unordered_map<u64, Shader::TextureType> texture_types; + std::unordered_map<u64, u32> cbuf_values; std::array<u32, 3> workgroup_size{}; u32 local_memory_size{}; u32 shared_memory_size{}; |