mirror of
https://github.com/yuzu-mirror/yuzu.git
synced 2024-09-07 12:39:09 +01:00
shader: Implement BRX
This commit is contained in:
parent
39a379632e
commit
34aba9627a
21 changed files with 437 additions and 48 deletions
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@ -52,6 +52,8 @@ add_library(shader_recompiler STATIC
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frontend/maxwell/control_flow.h
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frontend/maxwell/decode.cpp
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frontend/maxwell/decode.h
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frontend/maxwell/indirect_branch_table_track.cpp
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frontend/maxwell/indirect_branch_table_track.h
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frontend/maxwell/instruction.h
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frontend/maxwell/location.h
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frontend/maxwell/maxwell.inc
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@ -63,6 +65,7 @@ add_library(shader_recompiler STATIC
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frontend/maxwell/structured_control_flow.h
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frontend/maxwell/translate/impl/bitfield_extract.cpp
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frontend/maxwell/translate/impl/bitfield_insert.cpp
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frontend/maxwell/translate/impl/branch_indirect.cpp
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frontend/maxwell/translate/impl/common_encoding.h
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frontend/maxwell/translate/impl/common_funcs.cpp
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frontend/maxwell/translate/impl/common_funcs.h
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@ -110,6 +113,7 @@ add_library(shader_recompiler STATIC
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frontend/maxwell/translate/impl/integer_short_multiply_add.cpp
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frontend/maxwell/translate/impl/integer_to_integer_conversion.cpp
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frontend/maxwell/translate/impl/load_constant.cpp
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frontend/maxwell/translate/impl/load_constant.h
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frontend/maxwell/translate/impl/load_effective_address.cpp
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frontend/maxwell/translate/impl/load_store_attribute.cpp
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frontend/maxwell/translate/impl/load_store_local_shared.cpp
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@ -26,6 +26,7 @@ void EmitBranchConditional(EmitContext& ctx, Id condition, Id true_label, Id fal
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void EmitLoopMerge(EmitContext& ctx, Id merge_label, Id continue_label);
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void EmitSelectionMerge(EmitContext& ctx, Id merge_label);
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void EmitReturn(EmitContext& ctx);
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void EmitUnreachable(EmitContext& ctx);
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void EmitDemoteToHelperInvocation(EmitContext& ctx, Id continue_label);
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void EmitPrologue(EmitContext& ctx);
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void EmitEpilogue(EmitContext& ctx);
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@ -35,6 +36,8 @@ void EmitGetPred(EmitContext& ctx);
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void EmitSetPred(EmitContext& ctx);
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void EmitSetGotoVariable(EmitContext& ctx);
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void EmitGetGotoVariable(EmitContext& ctx);
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void EmitSetIndirectBranchVariable(EmitContext& ctx);
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void EmitGetIndirectBranchVariable(EmitContext& ctx);
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Id EmitGetCbufU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
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Id EmitGetCbufS8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
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Id EmitGetCbufU16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
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@ -6,8 +6,6 @@
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#include "shader_recompiler/backend/spirv/emit_spirv.h"
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#pragma optimize("", off)
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namespace Shader::Backend::SPIRV {
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namespace {
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struct AttrInfo {
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@ -74,6 +72,14 @@ void EmitGetGotoVariable(EmitContext&) {
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throw NotImplementedException("SPIR-V Instruction");
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}
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void EmitSetIndirectBranchVariable(EmitContext&) {
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throw NotImplementedException("SPIR-V Instruction");
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}
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void EmitGetIndirectBranchVariable(EmitContext&) {
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throw NotImplementedException("SPIR-V Instruction");
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}
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static Id GetCbuf(EmitContext& ctx, Id result_type, Id UniformDefinitions::*member_ptr,
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u32 element_size, const IR::Value& binding, const IR::Value& offset) {
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if (!binding.IsImmediate()) {
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@ -26,6 +26,10 @@ void EmitReturn(EmitContext& ctx) {
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ctx.OpReturn();
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}
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void EmitUnreachable(EmitContext& ctx) {
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ctx.OpUnreachable();
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}
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void EmitDemoteToHelperInvocation(EmitContext& ctx, Id continue_label) {
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ctx.OpDemoteToHelperInvocationEXT();
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ctx.OpBranch(continue_label);
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@ -15,6 +15,8 @@ public:
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[[nodiscard]] virtual u64 ReadInstruction(u32 address) = 0;
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[[nodiscard]] virtual u32 ReadCbufValue(u32 cbuf_index, u32 cbuf_offset) = 0;
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[[nodiscard]] virtual TextureType ReadTextureType(u32 cbuf_index, u32 cbuf_offset) = 0;
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[[nodiscard]] virtual u32 TextureBoundBuffer() const = 0;
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@ -87,6 +87,10 @@ void IREmitter::Return() {
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Inst(Opcode::Return);
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}
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void IREmitter::Unreachable() {
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Inst(Opcode::Unreachable);
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}
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void IREmitter::DemoteToHelperInvocation(Block* continue_label) {
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block->SetBranch(continue_label);
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continue_label->AddImmediatePredecessor(block);
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@ -126,6 +130,14 @@ void IREmitter::SetGotoVariable(u32 id, const U1& value) {
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Inst(Opcode::SetGotoVariable, id, value);
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}
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U32 IREmitter::GetIndirectBranchVariable() {
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return Inst<U32>(Opcode::GetIndirectBranchVariable);
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}
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void IREmitter::SetIndirectBranchVariable(const U32& value) {
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Inst(Opcode::SetIndirectBranchVariable, value);
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}
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void IREmitter::SetPred(IR::Pred pred, const U1& value) {
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Inst(Opcode::SetPred, pred, value);
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}
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@ -37,6 +37,7 @@ public:
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void LoopMerge(Block* merge_block, Block* continue_target);
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void SelectionMerge(Block* merge_block);
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void Return();
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void Unreachable();
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void DemoteToHelperInvocation(Block* continue_label);
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void Prologue();
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@ -51,6 +52,9 @@ public:
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[[nodiscard]] U1 GetGotoVariable(u32 id);
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void SetGotoVariable(u32 id, const U1& value);
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[[nodiscard]] U32 GetIndirectBranchVariable();
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void SetIndirectBranchVariable(const U32& value);
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[[nodiscard]] U32 GetCbuf(const U32& binding, const U32& byte_offset);
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[[nodiscard]] UAny GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
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bool is_signed);
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@ -55,6 +55,7 @@ bool Inst::MayHaveSideEffects() const noexcept {
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case Opcode::LoopMerge:
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case Opcode::SelectionMerge:
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case Opcode::Return:
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case Opcode::Unreachable:
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case Opcode::DemoteToHelperInvocation:
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case Opcode::Prologue:
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case Opcode::Epilogue:
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@ -13,6 +13,7 @@ OPCODE(BranchConditional, Void, U1,
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OPCODE(LoopMerge, Void, Label, Label, )
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OPCODE(SelectionMerge, Void, Label, )
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OPCODE(Return, Void, )
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OPCODE(Unreachable, Void, )
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OPCODE(DemoteToHelperInvocation, Void, Label, )
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// Special operations
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@ -26,6 +27,8 @@ OPCODE(GetPred, U1, Pred
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OPCODE(SetPred, Void, Pred, U1, )
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OPCODE(GetGotoVariable, U1, U32, )
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OPCODE(SetGotoVariable, Void, U32, U1, )
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OPCODE(GetIndirectBranchVariable, U32, )
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OPCODE(SetIndirectBranchVariable, Void, U32, )
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OPCODE(GetCbufU8, U32, U32, U32, )
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OPCODE(GetCbufS8, U32, U32, U32, )
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OPCODE(GetCbufU16, U32, U32, U32, )
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@ -14,6 +14,7 @@
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#include "shader_recompiler/exception.h"
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#include "shader_recompiler/frontend/maxwell/control_flow.h"
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#include "shader_recompiler/frontend/maxwell/decode.h"
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#include "shader_recompiler/frontend/maxwell/indirect_branch_table_track.h"
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#include "shader_recompiler/frontend/maxwell/location.h"
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namespace Shader::Maxwell::Flow {
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@ -252,9 +253,7 @@ CFG::AnalysisState CFG::AnalyzeInst(Block* block, FunctionId function_id, Locati
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const Opcode opcode{Decode(inst.raw)};
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switch (opcode) {
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case Opcode::BRA:
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case Opcode::BRX:
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case Opcode::JMP:
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case Opcode::JMX:
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case Opcode::RET:
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if (!AnalyzeBranch(block, function_id, pc, inst, opcode)) {
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return AnalysisState::Continue;
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@ -264,10 +263,6 @@ CFG::AnalysisState CFG::AnalyzeInst(Block* block, FunctionId function_id, Locati
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case Opcode::JMP:
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AnalyzeBRA(block, function_id, pc, inst, IsAbsoluteJump(opcode));
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break;
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case Opcode::BRX:
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case Opcode::JMX:
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AnalyzeBRX(block, pc, inst, IsAbsoluteJump(opcode));
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break;
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case Opcode::RET:
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block->end_class = EndClass::Return;
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break;
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@ -302,6 +297,9 @@ CFG::AnalysisState CFG::AnalyzeInst(Block* block, FunctionId function_id, Locati
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case Opcode::SSY:
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block->stack.Push(OpcodeToken(opcode), BranchOffset(pc, inst));
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return AnalysisState::Continue;
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case Opcode::BRX:
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case Opcode::JMX:
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return AnalyzeBRX(block, pc, inst, IsAbsoluteJump(opcode), function_id);
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case Opcode::EXIT:
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return AnalyzeEXIT(block, function_id, pc, inst);
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case Opcode::PRET:
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@ -407,8 +405,46 @@ void CFG::AnalyzeBRA(Block* block, FunctionId function_id, Location pc, Instruct
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block->branch_true = AddLabel(block, block->stack, bra_pc, function_id);
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}
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void CFG::AnalyzeBRX(Block*, Location, Instruction, bool is_absolute) {
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throw NotImplementedException("{}", is_absolute ? "JMX" : "BRX");
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CFG::AnalysisState CFG::AnalyzeBRX(Block* block, Location pc, Instruction inst, bool is_absolute,
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FunctionId function_id) {
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const std::optional brx_table{TrackIndirectBranchTable(env, pc, block->begin)};
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if (!brx_table) {
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TrackIndirectBranchTable(env, pc, block->begin);
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throw NotImplementedException("Failed to track indirect branch");
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}
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const IR::FlowTest flow_test{inst.branch.flow_test};
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const Predicate pred{inst.Pred()};
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if (flow_test != IR::FlowTest::T || pred != Predicate{true}) {
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throw NotImplementedException("Conditional indirect branch");
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}
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std::vector<u32> targets;
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targets.reserve(brx_table->num_entries);
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for (u32 i = 0; i < brx_table->num_entries; ++i) {
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u32 target{env.ReadCbufValue(brx_table->cbuf_index, brx_table->cbuf_offset + i * 4)};
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if (!is_absolute) {
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target += pc.Offset();
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}
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target += brx_table->branch_offset;
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target += 8;
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targets.push_back(target);
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}
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std::ranges::sort(targets);
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targets.erase(std::unique(targets.begin(), targets.end()), targets.end());
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block->indirect_branches.reserve(targets.size());
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for (const u32 target : targets) {
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Block* const branch{AddLabel(block, block->stack, target, function_id)};
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block->indirect_branches.push_back(branch);
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}
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block->cond = IR::Condition{true};
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block->end = pc + 1;
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block->end_class = EndClass::IndirectBranch;
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block->branch_reg = brx_table->branch_reg;
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block->branch_offset = brx_table->branch_offset + 8;
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if (!is_absolute) {
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block->branch_offset += pc.Offset();
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}
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return AnalysisState::Branch;
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}
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CFG::AnalysisState CFG::AnalyzeEXIT(Block* block, FunctionId function_id, Location pc,
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@ -449,7 +485,6 @@ Block* CFG::AddLabel(Block* block, Stack stack, Location pc, FunctionId function
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// Block already exists and it has been visited
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return &*it;
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}
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// TODO: FIX DANGLING BLOCKS
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Block* const new_block{block_pool.Create(Block{
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.begin{pc},
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.end{pc},
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@ -494,6 +529,11 @@ std::string CFG::Dot() const {
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add_branch(block.branch_false, false);
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}
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break;
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case EndClass::IndirectBranch:
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for (Block* const branch : block.indirect_branches) {
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add_branch(branch, false);
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}
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break;
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case EndClass::Call:
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dot += fmt::format("\t\t{}->N{};\n", name, node_uid);
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dot += fmt::format("\t\tN{}->{};\n", node_uid, NameOf(*block.return_block));
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@ -26,6 +26,7 @@ using FunctionId = size_t;
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enum class EndClass {
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Branch,
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IndirectBranch,
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Call,
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Exit,
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Return,
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@ -76,11 +77,14 @@ struct Block : boost::intrusive::set_base_hook<
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union {
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Block* branch_true;
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FunctionId function_call;
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IR::Reg branch_reg;
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};
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union {
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Block* branch_false;
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Block* return_block;
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s32 branch_offset;
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};
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std::vector<Block*> indirect_branches;
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};
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struct Label {
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@ -139,7 +143,8 @@ private:
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void AnalyzeBRA(Block* block, FunctionId function_id, Location pc, Instruction inst,
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bool is_absolute);
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void AnalyzeBRX(Block* block, Location pc, Instruction inst, bool is_absolute);
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AnalysisState AnalyzeBRX(Block* block, Location pc, Instruction inst, bool is_absolute,
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FunctionId function_id);
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AnalysisState AnalyzeEXIT(Block* block, FunctionId function_id, Location pc, Instruction inst);
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/// Return the branch target block id
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@ -0,0 +1,108 @@
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <optional>
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#include "common/common_types.h"
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#include "shader_recompiler/exception.h"
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#include "shader_recompiler/frontend/maxwell/decode.h"
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#include "shader_recompiler/frontend/maxwell/indirect_branch_table_track.h"
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#include "shader_recompiler/frontend/maxwell/opcodes.h"
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#include "shader_recompiler/frontend/maxwell/translate/impl/load_constant.h"
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namespace Shader::Maxwell {
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namespace {
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union Encoding {
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u64 raw;
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BitField<0, 8, IR::Reg> dest_reg;
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BitField<8, 8, IR::Reg> src_reg;
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BitField<20, 19, u64> immediate;
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BitField<56, 1, u64> is_negative;
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BitField<20, 24, s64> brx_offset;
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};
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template <typename Callable>
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std::optional<u64> Track(Environment& env, Location block_begin, Location& pos, Callable&& func) {
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while (pos >= block_begin) {
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const u64 insn{env.ReadInstruction(pos.Offset())};
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--pos;
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if (func(insn, Decode(insn))) {
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return insn;
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}
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}
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return std::nullopt;
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}
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std::optional<u64> TrackLDC(Environment& env, Location block_begin, Location& pos,
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IR::Reg brx_reg) {
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return Track(env, block_begin, pos, [brx_reg](u64 insn, Opcode opcode) {
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const LDC::Encoding ldc{insn};
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return opcode == Opcode::LDC && ldc.dest_reg == brx_reg && ldc.size == LDC::Size::B32 &&
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ldc.mode == LDC::Mode::Default;
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});
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}
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std::optional<u64> TrackSHL(Environment& env, Location block_begin, Location& pos,
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IR::Reg ldc_reg) {
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return Track(env, block_begin, pos, [ldc_reg](u64 insn, Opcode opcode) {
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const Encoding shl{insn};
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return opcode == Opcode::SHL_imm && shl.dest_reg == ldc_reg;
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});
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}
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std::optional<u64> TrackIMNMX(Environment& env, Location block_begin, Location& pos,
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IR::Reg shl_reg) {
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return Track(env, block_begin, pos, [shl_reg](u64 insn, Opcode opcode) {
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const Encoding imnmx{insn};
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return opcode == Opcode::IMNMX_imm && imnmx.dest_reg == shl_reg;
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});
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}
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} // Anonymous namespace
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std::optional<IndirectBranchTableInfo> TrackIndirectBranchTable(Environment& env, Location brx_pos,
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Location block_begin) {
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const u64 brx_insn{env.ReadInstruction(brx_pos.Offset())};
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const Opcode brx_opcode{Decode(brx_insn)};
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if (brx_opcode != Opcode::BRX && brx_opcode != Opcode::JMX) {
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throw LogicError("Tracked instruction is not BRX or JMX");
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}
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const IR::Reg brx_reg{Encoding{brx_insn}.src_reg};
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const s32 brx_offset{static_cast<s32>(Encoding{brx_insn}.brx_offset)};
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Location pos{brx_pos};
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const std::optional<u64> ldc_insn{TrackLDC(env, block_begin, pos, brx_reg)};
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if (!ldc_insn) {
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return std::nullopt;
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}
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const LDC::Encoding ldc{*ldc_insn};
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const u32 cbuf_index{static_cast<u32>(ldc.index)};
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const u32 cbuf_offset{static_cast<u32>(static_cast<s32>(ldc.offset.Value()))};
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const IR::Reg ldc_reg{ldc.src_reg};
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const std::optional<u64> shl_insn{TrackSHL(env, block_begin, pos, ldc_reg)};
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if (!shl_insn) {
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return std::nullopt;
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}
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const Encoding shl{*shl_insn};
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const IR::Reg shl_reg{shl.src_reg};
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const std::optional<u64> imnmx_insn{TrackIMNMX(env, block_begin, pos, shl_reg)};
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if (!imnmx_insn) {
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return std::nullopt;
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}
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const Encoding imnmx{*imnmx_insn};
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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
|
|
@ -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
|
|
@ -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 {
|
||||
|
||||
|
|
|
@ -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);
|
||||
}
|
||||
|
|
|
@ -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
|
|
@ -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))};
|
||||
|
|
|
@ -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
|
|
@ -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
|
||||
}
|
||||
|
|
|
@ -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;
|
||||
|
|
|
@ -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{};
|
||||
|
|
Loading…
Reference in a new issue