aboutsummaryrefslogtreecommitdiff
path: root/src/yuzu_cmd/yuzu.cpp
blob: ba6e89249bd1bc76e139548fb31cd8a4f0045269 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
// 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/gdbstub/gdbstub.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;
    }

    // Apply the command line arguments
    Settings::values.gdbstub_port = gdb_port;
    Settings::values.use_gdbstub = use_gdbstub;
    Settings::Apply();

    Core::System& system{Core::System::GetInstance()};
    InputCommon::InputSubsystem input_subsystem;

    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;
}