yuzu-android/src/video_core/macro/macro.cpp
Lioncash ff45c39578 General: Make use of std::nullopt where applicable
Allows some implementations to avoid completely zeroing out the internal
buffer of the optional, and instead only set the validity byte within
the structure.

This also makes it consistent how we return empty optionals.
2020-09-22 17:32:33 -04:00

92 lines
3.4 KiB
C++

// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <optional>
#include <boost/container_hash/hash.hpp>
#include "common/assert.h"
#include "common/logging/log.h"
#include "core/settings.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/macro/macro.h"
#include "video_core/macro/macro_hle.h"
#include "video_core/macro/macro_interpreter.h"
#include "video_core/macro/macro_jit_x64.h"
namespace Tegra {
MacroEngine::MacroEngine(Engines::Maxwell3D& maxwell3d)
: hle_macros{std::make_unique<Tegra::HLEMacro>(maxwell3d)} {}
MacroEngine::~MacroEngine() = default;
void MacroEngine::AddCode(u32 method, u32 data) {
uploaded_macro_code[method].push_back(data);
}
void MacroEngine::Execute(Engines::Maxwell3D& maxwell3d, u32 method,
const std::vector<u32>& parameters) {
auto compiled_macro = macro_cache.find(method);
if (compiled_macro != macro_cache.end()) {
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);
}
} 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);
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()) {
UNREACHABLE_MSG("Macro 0x{0:x} was not uploaded", method);
return;
}
}
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);
} 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);
}
auto hle_program = hle_macros->GetHLEProgram(cache_info.hash);
if (hle_program.has_value()) {
cache_info.has_hle_program = true;
cache_info.hle_program = std::move(hle_program.value());
cache_info.hle_program->Execute(parameters, method);
} else {
cache_info.lle_program->Execute(parameters, method);
}
}
}
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