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yuzu/src/yuzu_cmd/yuzu.cpp
Lioncash 5bc4eabe36 core: Eliminate remaining usages of the global system instance 
Removes all remaining usages of the global system instance. After this,
migration can begin to migrate to being constructed and managed entirely
by the various frontends.
2020-11-27 11:40:45 -05:00

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <chrono>
#include <iostream>
#include <memory>
#include <string>
#include <thread>
#include <fmt/ostream.h>
#include "common/common_paths.h"
#include "common/detached_tasks.h"
#include "common/file_util.h"
#include "common/logging/backend.h"
#include "common/logging/filter.h"
#include "common/logging/log.h"
#include "common/microprofile.h"
#include "common/scm_rev.h"
#include "common/scope_exit.h"
#include "common/string_util.h"
#include "common/telemetry.h"
#include "core/core.h"
#include "core/crypto/key_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/vfs_real.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/loader.h"
#include "core/settings.h"
#include "core/telemetry_session.h"
#include "input_common/main.h"
#include "video_core/renderer_base.h"
#include "yuzu_cmd/config.h"
#include "yuzu_cmd/emu_window/emu_window_sdl2.h"
#include "yuzu_cmd/emu_window/emu_window_sdl2_gl.h"
#ifdef HAS_VULKAN
#include "yuzu_cmd/emu_window/emu_window_sdl2_vk.h"
#endif
#ifdef _WIN32
// windows.h needs to be included before shellapi.h
#include <windows.h>
#include <shellapi.h>
#endif
#undef _UNICODE
#include <getopt.h>
#ifndef _MSC_VER
#include <unistd.h>
#endif
#ifdef _WIN32
extern "C" {
// tells Nvidia and AMD drivers to use the dedicated GPU by default on laptops with switchable
// graphics
__declspec(dllexport) unsigned long NvOptimusEnablement = 0x00000001;
__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
}
#endif
static void PrintHelp(const char* argv0) {
std::cout << "Usage: " << argv0
<< " [options] <filename>\n"
"-g, --gdbport=NUMBER Enable gdb stub on port NUMBER\n"
"-f, --fullscreen Start in fullscreen mode\n"
"-h, --help Display this help and exit\n"
"-v, --version Output version information and exit\n"
"-p, --program Pass following string as arguments to executable\n";
}
static void PrintVersion() {
std::cout << "yuzu " << Common::g_scm_branch << " " << Common::g_scm_desc << std::endl;
}
static void InitializeLogging() {
Log::Filter log_filter(Log::Level::Debug);
log_filter.ParseFilterString(Settings::values.log_filter);
Log::SetGlobalFilter(log_filter);
Log::AddBackend(std::make_unique<Log::ColorConsoleBackend>());
const std::string& log_dir = Common::FS::GetUserPath(Common::FS::UserPath::LogDir);
Common::FS::CreateFullPath(log_dir);
Log::AddBackend(std::make_unique<Log::FileBackend>(log_dir + LOG_FILE));
#ifdef _WIN32
Log::AddBackend(std::make_unique<Log::DebuggerBackend>());
#endif
}
/// Application entry point
int main(int argc, char** argv) {
Common::DetachedTasks detached_tasks;
Config config;
int option_index = 0;
bool use_gdbstub = Settings::values.use_gdbstub;
u32 gdb_port = static_cast<u32>(Settings::values.gdbstub_port);
InitializeLogging();
char* endarg;
#ifdef _WIN32
int argc_w;
auto argv_w = CommandLineToArgvW(GetCommandLineW(), &argc_w);
if (argv_w == nullptr) {
LOG_CRITICAL(Frontend, "Failed to get command line arguments");
return -1;
}
#endif
std::string filepath;
bool fullscreen = false;
static struct option long_options[] = {
{"gdbport", required_argument, 0, 'g'}, {"fullscreen", no_argument, 0, 'f'},
{"help", no_argument, 0, 'h'}, {"version", no_argument, 0, 'v'},
{"program", optional_argument, 0, 'p'}, {0, 0, 0, 0},
};
while (optind < argc) {
int arg = getopt_long(argc, argv, "g:fhvp::", long_options, &option_index);
if (arg != -1) {
switch (static_cast<char>(arg)) {
case 'g':
errno = 0;
gdb_port = strtoul(optarg, &endarg, 0);
use_gdbstub = true;
if (endarg == optarg)
errno = EINVAL;
if (errno != 0) {
perror("--gdbport");
exit(1);
}
break;
case 'f':
fullscreen = true;
LOG_INFO(Frontend, "Starting in fullscreen mode...");
break;
case 'h':
PrintHelp(argv[0]);
return 0;
case 'v':
PrintVersion();
return 0;
case 'p':
Settings::values.program_args = argv[optind];
++optind;
break;
}
} else {
#ifdef _WIN32
filepath = Common::UTF16ToUTF8(argv_w[optind]);
#else
filepath = argv[optind];
#endif
optind++;
}
}
#ifdef _WIN32
LocalFree(argv_w);
#endif
MicroProfileOnThreadCreate("EmuThread");
SCOPE_EXIT({ MicroProfileShutdown(); });
if (filepath.empty()) {
LOG_CRITICAL(Frontend, "Failed to load ROM: No ROM specified");
return -1;
}
auto& system{Core::System::GetInstance()};
InputCommon::InputSubsystem input_subsystem;
// Apply the command line arguments
Settings::values.gdbstub_port = gdb_port;
Settings::values.use_gdbstub = use_gdbstub;
Settings::Apply(system);
std::unique_ptr<EmuWindow_SDL2> emu_window;
switch (Settings::values.renderer_backend.GetValue()) {
case Settings::RendererBackend::OpenGL:
emu_window = std::make_unique<EmuWindow_SDL2_GL>(&input_subsystem, fullscreen);
break;
case Settings::RendererBackend::Vulkan:
#ifdef HAS_VULKAN
emu_window = std::make_unique<EmuWindow_SDL2_VK>(&input_subsystem);
break;
#else
LOG_CRITICAL(Frontend, "Vulkan backend has not been compiled!");
return 1;
#endif
}
system.SetContentProvider(std::make_unique<FileSys::ContentProviderUnion>());
system.SetFilesystem(std::make_shared<FileSys::RealVfsFilesystem>());
system.GetFileSystemController().CreateFactories(*system.GetFilesystem());
const Core::System::ResultStatus load_result{system.Load(*emu_window, filepath)};
switch (load_result) {
case Core::System::ResultStatus::ErrorGetLoader:
LOG_CRITICAL(Frontend, "Failed to obtain loader for {}!", filepath);
return -1;
case Core::System::ResultStatus::ErrorLoader:
LOG_CRITICAL(Frontend, "Failed to load ROM!");
return -1;
case Core::System::ResultStatus::ErrorNotInitialized:
LOG_CRITICAL(Frontend, "CPUCore not initialized");
return -1;
case Core::System::ResultStatus::ErrorVideoCore:
LOG_CRITICAL(Frontend, "Failed to initialize VideoCore!");
return -1;
case Core::System::ResultStatus::Success:
break; // Expected case
default:
if (static_cast<u32>(load_result) >
static_cast<u32>(Core::System::ResultStatus::ErrorLoader)) {
const u16 loader_id = static_cast<u16>(Core::System::ResultStatus::ErrorLoader);
const u16 error_id = static_cast<u16>(load_result) - loader_id;
LOG_CRITICAL(Frontend,
"While attempting to load the ROM requested, an error occured. Please "
"refer to the yuzu wiki for more information or the yuzu discord for "
"additional help.\n\nError Code: {:04X}-{:04X}\nError Description: {}",
loader_id, error_id, static_cast<Loader::ResultStatus>(error_id));
}
}
system.TelemetrySession().AddField(Common::Telemetry::FieldType::App, "Frontend", "SDL");
// Core is loaded, start the GPU (makes the GPU contexts current to this thread)
system.GPU().Start();
system.Renderer().Rasterizer().LoadDiskResources(
system.CurrentProcess()->GetTitleID(), false,
[](VideoCore::LoadCallbackStage, size_t value, size_t total) {});
void(system.Run());
while (emu_window->IsOpen()) {
emu_window->WaitEvent();
}
void(system.Pause());
system.Shutdown();
detached_tasks.WaitForAllTasks();
return 0;
}
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