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shader: Implement MEMBAR

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FernandoS27 2021-04-02 19:27:30 +02:00 • committed by ameerj
parent ecb30c9072
commit 655f7a570a
9 changed files with 121 additions and 11 deletions
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56
src/shader_recompiler/frontend/maxwell/translate/impl/barrier_operations.cpp Normal file
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@ -0,0 +1,56 @@
// 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/ir/modifiers.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
#include "shader_recompiler/frontend/maxwell/opcodes.h"
namespace Shader::Maxwell {
namespace {
// Seems to be in CUDA terminology.
enum class LocalScope : u64 {
CTG = 0,
GL = 1,
SYS = 2,
VC = 3,
};
IR::MemoryScope LocalScopeToMemoryScope(LocalScope scope) {
switch (scope) {
case LocalScope::CTG:
return IR::MemoryScope::Warp;
case LocalScope::GL:
return IR::MemoryScope::Device;
case LocalScope::SYS:
return IR::MemoryScope::System;
case LocalScope::VC:
return IR::MemoryScope::Workgroup; // or should be device?
default:
throw NotImplementedException("Unimplemented Local Scope {}", scope);
}
}
} // namespace
void TranslatorVisitor::MEMBAR(u64 inst) {
union {
u64 raw;
BitField<8, 2, LocalScope> scope;
} membar{inst};
IR::BarrierInstInfo info{};
info.scope.Assign(LocalScopeToMemoryScope(membar.scope));
ir.MemoryBarrier(info);
}
void TranslatorVisitor::DEPBAR() {
// DEPBAR is a no-op
}
void TranslatorVisitor::BAR(u64) {
throw NotImplementedException("Instruction {} is not implemented", Opcode::BAR);
}
} // namespace Shader::Maxwell

11
src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
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@ -37,10 +37,6 @@ void TranslatorVisitor::B2R(u64) {
ThrowNotImplemented(Opcode::B2R);
}
void TranslatorVisitor::BAR(u64) {
ThrowNotImplemented(Opcode::BAR);
}
void TranslatorVisitor::BPT(u64) {
ThrowNotImplemented(Opcode::BPT);
}
@ -73,9 +69,6 @@ void TranslatorVisitor::CS2R(u64) {
ThrowNotImplemented(Opcode::CS2R);
}
void TranslatorVisitor::DEPBAR() {
// DEPBAR is a no-op
}
void TranslatorVisitor::FCHK_reg(u64) {
ThrowNotImplemented(Opcode::FCHK_reg);
@ -189,10 +182,6 @@ void TranslatorVisitor::LONGJMP(u64) {
ThrowNotImplemented(Opcode::LONGJMP);
}
void TranslatorVisitor::MEMBAR(u64) {
ThrowNotImplemented(Opcode::MEMBAR);
}
void TranslatorVisitor::NOP(u64) {
ThrowNotImplemented(Opcode::NOP);
}