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shader: Implement OUT

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This commit is contained in:
ReinUsesLisp
2021-04-12 03:48:15 -03:00
committed by ameerj
parent dd3432d357
commit a6cef71cc0
10 changed files with 73 additions and 17 deletions
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1
src/shader_recompiler/CMakeLists.txt
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@@ -134,6 +134,7 @@ add_library(shader_recompiler STATIC
frontend/maxwell/translate/impl/move_register_to_predicate.cpp
frontend/maxwell/translate/impl/move_special_register.cpp
frontend/maxwell/translate/impl/not_implemented.cpp
frontend/maxwell/translate/impl/output_geometry.cpp
frontend/maxwell/translate/impl/predicate_set_predicate.cpp
frontend/maxwell/translate/impl/predicate_set_register.cpp
frontend/maxwell/translate/impl/select_source_with_predicate.cpp

2
src/shader_recompiler/backend/spirv/emit_spirv.h
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@@ -34,6 +34,8 @@ void EmitMemoryBarrierDeviceLevel(EmitContext& ctx);
void EmitMemoryBarrierSystemLevel(EmitContext& ctx);
void EmitPrologue(EmitContext& ctx);
void EmitEpilogue(EmitContext& ctx);
void EmitEmitVertex(EmitContext& ctx, Id stream);
void EmitEndPrimitive(EmitContext& ctx, Id stream);
void EmitGetRegister(EmitContext& ctx);
void EmitSetRegister(EmitContext& ctx);
void EmitGetPred(EmitContext& ctx);

8
src/shader_recompiler/backend/spirv/emit_spirv_special.cpp
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@@ -36,4 +36,12 @@ void EmitEpilogue(EmitContext& ctx) {
}
}
void EmitEmitVertex(EmitContext& ctx, Id stream) {
ctx.OpEmitStreamVertex(stream);
}
void EmitEndPrimitive(EmitContext& ctx, Id stream) {
ctx.OpEndStreamPrimitive(stream);
}
} // namespace Shader::Backend::SPIRV

8
src/shader_recompiler/frontend/ir/ir_emitter.cpp
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@@ -125,6 +125,14 @@ void IREmitter::Epilogue() {
Inst(Opcode::Epilogue);
}
void IREmitter::EmitVertex(const U32& stream) {
Inst(Opcode::EmitVertex, stream);
}
void IREmitter::EndPrimitive(const U32& stream) {
Inst(Opcode::EndPrimitive, stream);
}
U32 IREmitter::GetReg(IR::Reg reg) {
return Inst<U32>(Opcode::GetRegister, reg);
}

3
src/shader_recompiler/frontend/ir/ir_emitter.h
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@@ -43,6 +43,9 @@ public:
void Prologue();
void Epilogue();
void EmitVertex(const U32& stream);
void EndPrimitive(const U32& stream);
[[nodiscard]] U32 GetReg(IR::Reg reg);
void SetReg(IR::Reg reg, const U32& value);

2
src/shader_recompiler/frontend/ir/microinstruction.cpp
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@@ -69,6 +69,8 @@ bool Inst::MayHaveSideEffects() const noexcept {
case Opcode::MemoryBarrierSystemLevel:
case Opcode::Prologue:
case Opcode::Epilogue:
case Opcode::EmitVertex:
case Opcode::EndPrimitive:
case Opcode::SetAttribute:
case Opcode::SetAttributeIndexed:
case Opcode::SetFragColor:

2
src/shader_recompiler/frontend/ir/opcodes.inc
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@@ -25,6 +25,8 @@ OPCODE(MemoryBarrierSystemLevel, Void,
// Special operations
OPCODE(Prologue, Void, )
OPCODE(Epilogue, Void, )
OPCODE(EmitVertex, Void, U32, )
OPCODE(EndPrimitive, Void, U32, )
// Context getters/setters
OPCODE(GetRegister, U32, Reg, )

7
src/shader_recompiler/frontend/maxwell/translate/impl/load_store_attribute.cpp
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@@ -64,7 +64,7 @@ void TranslatorVisitor::ALD(u64 insn) {
BitField<8, 8, IR::Reg> index_reg;
BitField<20, 10, u64> absolute_offset;
BitField<20, 11, s64> relative_offset;
BitField<39, 8, IR::Reg> stream_reg;
BitField<39, 8, IR::Reg> array_reg;
BitField<32, 1, u64> o;
BitField<31, 1, u64> patch;
BitField<47, 2, Size> size;
@@ -100,16 +100,13 @@ void TranslatorVisitor::AST(u64 insn) {
BitField<20, 10, u64> absolute_offset;
BitField<20, 11, s64> relative_offset;
BitField<31, 1, u64> patch;
BitField<39, 8, IR::Reg> stream_reg;
BitField<39, 8, IR::Reg> array_reg;
BitField<47, 2, Size> size;
} const ast{insn};
if (ast.patch != 0) {
throw NotImplementedException("P");
}
if (ast.stream_reg != IR::Reg::RZ) {
throw NotImplementedException("Stream store");
}
if (ast.index_reg != IR::Reg::RZ) {
throw NotImplementedException("Indexed store");
}

12
src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
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@@ -169,18 +169,6 @@ void TranslatorVisitor::NOP(u64) {
// NOP is No-Op.
}
void TranslatorVisitor::OUT_reg(u64) {
ThrowNotImplemented(Opcode::OUT_reg);
}
void TranslatorVisitor::OUT_cbuf(u64) {
ThrowNotImplemented(Opcode::OUT_cbuf);
}
void TranslatorVisitor::OUT_imm(u64) {
ThrowNotImplemented(Opcode::OUT_imm);
}
void TranslatorVisitor::PBK() {
// PBK is a no-op
}

45
src/shader_recompiler/frontend/maxwell/translate/impl/output_geometry.cpp Normal file
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@@ -0,0 +1,45 @@
// 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/frontend/maxwell/translate/impl/impl.h"
namespace Shader::Maxwell {
namespace {
void OUT(TranslatorVisitor& v, u64 insn, IR::U32 stream_index) {
union {
u64 raw;
BitField<0, 8, IR::Reg> dest_reg;
BitField<8, 8, IR::Reg> output_reg; // Not needed on host
BitField<39, 1, u64> emit;
BitField<40, 1, u64> cut;
} const out{insn};
stream_index = v.ir.BitwiseAnd(stream_index, v.ir.Imm32(0b11));
if (out.emit != 0) {
v.ir.EmitVertex(stream_index);
}
if (out.cut != 0) {
v.ir.EndPrimitive(stream_index);
}
// Host doesn't need the output register, but we can write to it to avoid undefined reads
v.X(out.dest_reg, v.ir.Imm32(0));
}
} // Anonymous namespace
void TranslatorVisitor::OUT_reg(u64 insn) {
OUT(*this, insn, GetReg20(insn));
}
void TranslatorVisitor::OUT_cbuf(u64 insn) {
OUT(*this, insn, GetCbuf(insn));
}
void TranslatorVisitor::OUT_imm(u64 insn) {
OUT(*this, insn, GetImm20(insn));
}
} // namespace Shader::Maxwell