yuzu/src/video_core/macro/macro.cpp

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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
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#include <cstring>
#include <fstream>
#include <optional>
#include <span>
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#include <boost/container_hash/hash.hpp>
#include <fstream>
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#include "common/assert.h"
#include "common/fs/fs.h"
#include "common/fs/path_util.h"
#include "common/settings.h"
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#include "video_core/macro/macro.h"
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#include "video_core/macro/macro_hle.h"
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#include "video_core/macro/macro_interpreter.h"
#include "video_core/macro/macro_jit_x64.h"
namespace Tegra {
static void Dump(u64 hash, std::span<const u32> code) {
const auto base_dir{Common::FS::GetYuzuPath(Common::FS::YuzuPath::DumpDir)};
const auto macro_dir{base_dir / "macros"};
if (!Common::FS::CreateDir(base_dir) || !Common::FS::CreateDir(macro_dir)) {
LOG_ERROR(Common_Filesystem, "Failed to create macro dump directories");
return;
}
const auto name{macro_dir / fmt::format("{:016x}.macro", hash)};
std::fstream macro_file(name, std::ios::out | std::ios::binary);
if (!macro_file) {
LOG_ERROR(Common_Filesystem, "Unable to open or create file at {}",
Common::FS::PathToUTF8String(name));
return;
}
macro_file.write(reinterpret_cast<const char*>(code.data()), code.size_bytes());
}
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MacroEngine::MacroEngine(Engines::Maxwell3D& maxwell3d)
: hle_macros{std::make_unique<Tegra::HLEMacro>(maxwell3d)} {}
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MacroEngine::~MacroEngine() = default;
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void MacroEngine::AddCode(u32 method, u32 data) {
uploaded_macro_code[method].push_back(data);
}
void MacroEngine::ClearCode(u32 method) {
macro_cache.erase(method);
uploaded_macro_code.erase(method);
}
void MacroEngine::Execute(u32 method, const std::vector<u32>& parameters) {
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auto compiled_macro = macro_cache.find(method);
if (compiled_macro != macro_cache.end()) {
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const auto& cache_info = compiled_macro->second;
if (cache_info.has_hle_program) {
cache_info.hle_program->Execute(parameters, method);
} else {
cache_info.lle_program->Execute(parameters, method);
}
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} else {
// Macro not compiled, check if it's uploaded and if so, compile it
std::optional<u32> mid_method;
const auto macro_code = uploaded_macro_code.find(method);
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if (macro_code == uploaded_macro_code.end()) {
for (const auto& [method_base, code] : uploaded_macro_code) {
if (method >= method_base && (method - method_base) < code.size()) {
mid_method = method_base;
break;
}
}
if (!mid_method.has_value()) {
ASSERT_MSG(false, "Macro 0x{0:x} was not uploaded", method);
return;
}
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}
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auto& cache_info = macro_cache[method];
if (!mid_method.has_value()) {
cache_info.lle_program = Compile(macro_code->second);
cache_info.hash = boost::hash_value(macro_code->second);
if (Settings::values.dump_macros) {
Dump(cache_info.hash, macro_code->second);
}
} else {
const auto& macro_cached = uploaded_macro_code[mid_method.value()];
const auto rebased_method = method - mid_method.value();
auto& code = uploaded_macro_code[method];
code.resize(macro_cached.size() - rebased_method);
std::memcpy(code.data(), macro_cached.data() + rebased_method,
code.size() * sizeof(u32));
cache_info.hash = boost::hash_value(code);
cache_info.lle_program = Compile(code);
if (Settings::values.dump_macros) {
Dump(cache_info.hash, code);
}
}
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if (auto hle_program = hle_macros->GetHLEProgram(cache_info.hash)) {
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cache_info.has_hle_program = true;
cache_info.hle_program = std::move(hle_program);
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cache_info.hle_program->Execute(parameters, method);
} else {
cache_info.lle_program->Execute(parameters, method);
}
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}
}
std::unique_ptr<MacroEngine> GetMacroEngine(Engines::Maxwell3D& maxwell3d) {
if (Settings::values.disable_macro_jit) {
return std::make_unique<MacroInterpreter>(maxwell3d);
}
#ifdef ARCHITECTURE_x86_64
return std::make_unique<MacroJITx64>(maxwell3d);
#else
return std::make_unique<MacroInterpreter>(maxwell3d);
#endif
}
} // namespace Tegra