Massive removal of unused modules

src/yuzu_cmd/CMakeLists.txt

@@ -0,0 +1,35 @@
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/CMakeModules)
+
+set(SRCS
+            emu_window/emu_window_sdl2.cpp
+            citra.cpp
+            config.cpp
+            citra.rc
+            )
+set(HEADERS
+            emu_window/emu_window_sdl2.h
+            config.h
+            default_ini.h
+            resource.h
+            )
+
+create_directory_groups(${SRCS} ${HEADERS})
+
+add_executable(yuzu-cmd ${SRCS} ${HEADERS})
+target_link_libraries(yuzu-cmd PRIVATE common core input_common)
+target_link_libraries(yuzu-cmd PRIVATE inih glad)
+if (MSVC)
+    target_link_libraries(yuzu-cmd PRIVATE getopt)
+endif()
+target_link_libraries(yuzu-cmd PRIVATE ${PLATFORM_LIBRARIES} SDL2 Threads::Threads)
+
+if(UNIX AND NOT APPLE)
+    install(TARGETS yuzu-cmd RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")
+endif()
+
+if (MSVC)
+    include(CopyCitraSDLDeps)
+    include(CopyYuzuUnicornDeps)
+    copy_citra_SDL_deps(yuzu-cmd)
+    copy_yuzu_unicorn_deps(yuzu-cmd)
+endif()

src/yuzu_cmd/citra.cpp

@@ -0,0 +1,175 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <iostream>
+#include <memory>
+#include <string>
+#include <thread>
+
+// This needs to be included before getopt.h because the latter #defines symbols used by it
+#include "common/microprofile.h"
+
+#ifdef _MSC_VER
+#include <getopt.h>
+#else
+#include <getopt.h>
+#include <unistd.h>
+#endif
+
+#ifdef _WIN32
+// windows.h needs to be included before shellapi.h
+#include <windows.h>
+
+#include <shellapi.h>
+#endif
+
+#include "citra/config.h"
+#include "citra/emu_window/emu_window_sdl2.h"
+#include "common/logging/backend.h"
+#include "common/logging/filter.h"
+#include "common/logging/log.h"
+#include "common/scm_rev.h"
+#include "common/scope_exit.h"
+#include "common/string_util.h"
+#include "core/core.h"
+#include "core/gdbstub/gdbstub.h"
+#include "core/loader/loader.h"
+#include "core/settings.h"
+
+static void PrintHelp(const char* argv0) {
+    std::cout << "Usage: " << argv0
+              << " [options] <filename>\n"
+                 "-g, --gdbport=NUMBER  Enable gdb stub on port NUMBER\n"
+                 "-h, --help            Display this help and exit\n"
+                 "-v, --version         Output version information and exit\n";
+}
+
+static void PrintVersion() {
+    std::cout << "Citra " << Common::g_scm_branch << " " << Common::g_scm_desc << std::endl;
+}
+
+/// Application entry point
+int main(int argc, char** argv) {
+    Config config;
+    int option_index = 0;
+    bool use_gdbstub = Settings::values.use_gdbstub;
+    u32 gdb_port = static_cast<u32>(Settings::values.gdbstub_port);
+    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;
+
+    static struct option long_options[] = {
+        {"gdbport", required_argument, 0, 'g'},
+        {"help", no_argument, 0, 'h'},
+        {"version", no_argument, 0, 'v'},
+        {0, 0, 0, 0},
+    };
+
+    while (optind < argc) {
+        char arg = getopt_long(argc, argv, "g:hv", long_options, &option_index);
+        if (arg != -1) {
+            switch (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 'h':
+                PrintHelp(argv[0]);
+                return 0;
+            case 'v':
+                PrintVersion();
+                return 0;
+            }
+        } else {
+#ifdef _WIN32
+            filepath = Common::UTF16ToUTF8(argv_w[optind]);
+#else
+            filepath = argv[optind];
+#endif
+            optind++;
+        }
+    }
+
+#ifdef _WIN32
+    LocalFree(argv_w);
+#endif
+
+    Log::Filter log_filter(Log::Level::Debug);
+    Log::SetFilter(&log_filter);
+
+    MicroProfileOnThreadCreate("EmuThread");
+    SCOPE_EXIT({ MicroProfileShutdown(); });
+
+    if (filepath.empty()) {
+        LOG_CRITICAL(Frontend, "Failed to load ROM: No ROM specified");
+        return -1;
+    }
+
+    log_filter.ParseFilterString(Settings::values.log_filter);
+
+    // Apply the command line arguments
+    Settings::values.gdbstub_port = gdb_port;
+    Settings::values.use_gdbstub = use_gdbstub;
+    Settings::Apply();
+
+    std::unique_ptr<EmuWindow_SDL2> emu_window{std::make_unique<EmuWindow_SDL2>()};
+
+    Core::System& system{Core::System::GetInstance()};
+
+    SCOPE_EXIT({ system.Shutdown(); });
+
+    const Core::System::ResultStatus load_result{system.Load(emu_window.get(), filepath)};
+
+    switch (load_result) {
+    case Core::System::ResultStatus::ErrorGetLoader:
+        LOG_CRITICAL(Frontend, "Failed to obtain loader for %s!", filepath.c_str());
+        return -1;
+    case Core::System::ResultStatus::ErrorLoader:
+        LOG_CRITICAL(Frontend, "Failed to load ROM!");
+        return -1;
+    case Core::System::ResultStatus::ErrorLoader_ErrorEncrypted:
+        LOG_CRITICAL(Frontend, "The game that you are trying to load must be decrypted before "
+                               "being used with Citra. \n\n For more information on dumping and "
+                               "decrypting games, please refer to: "
+                               "https://citra-emu.org/wiki/dumping-game-cartridges/");
+        return -1;
+    case Core::System::ResultStatus::ErrorLoader_ErrorInvalidFormat:
+        LOG_CRITICAL(Frontend, "Error while loading ROM: The ROM format is not supported.");
+        return -1;
+    case Core::System::ResultStatus::ErrorNotInitialized:
+        LOG_CRITICAL(Frontend, "CPUCore not initialized");
+        return -1;
+    case Core::System::ResultStatus::ErrorSystemMode:
+        LOG_CRITICAL(Frontend, "Failed to determine system mode!");
+        return -1;
+    case Core::System::ResultStatus::ErrorVideoCore:
+        LOG_CRITICAL(Frontend, "VideoCore not initialized");
+        return -1;
+    case Core::System::ResultStatus::Success:
+        break; // Expected case
+    }
+
+    Core::Telemetry().AddField(Telemetry::FieldType::App, "Frontend", "SDL");
+
+    while (emu_window->IsOpen()) {
+        system.RunLoop();
+    }
+
+    return 0;
+}

src/yuzu_cmd/citra.rc

@@ -0,0 +1,17 @@
+#include "winresrc.h"
+/////////////////////////////////////////////////////////////////////////////
+//
+// Icon
+//
+
+// Icon with lowest ID value placed first to ensure application icon
+// remains consistent on all systems.
+CITRA_ICON              ICON                    "../../dist/citra.ico"
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// RT_MANIFEST
+//
+
+1                       RT_MANIFEST             "../../dist/citra.manifest"

src/yuzu_cmd/config.cpp

@@ -0,0 +1,160 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <memory>
+#include <SDL.h>
+#include <inih/cpp/INIReader.h>
+#include "citra/config.h"
+#include "citra/default_ini.h"
+#include "common/file_util.h"
+#include "common/logging/log.h"
+#include "common/param_package.h"
+#include "core/settings.h"
+#include "input_common/main.h"
+
+Config::Config() {
+    // TODO: Don't hardcode the path; let the frontend decide where to put the config files.
+    sdl2_config_loc = FileUtil::GetUserPath(D_CONFIG_IDX) + "sdl2-config.ini";
+    sdl2_config = std::make_unique<INIReader>(sdl2_config_loc);
+
+    Reload();
+}
+
+Config::~Config() = default;
+
+bool Config::LoadINI(const std::string& default_contents, bool retry) {
+    const char* location = this->sdl2_config_loc.c_str();
+    if (sdl2_config->ParseError() < 0) {
+        if (retry) {
+            LOG_WARNING(Config, "Failed to load %s. Creating file from defaults...", location);
+            FileUtil::CreateFullPath(location);
+            FileUtil::WriteStringToFile(true, default_contents, location);
+            sdl2_config = std::make_unique<INIReader>(location); // Reopen file
+
+            return LoadINI(default_contents, false);
+        }
+        LOG_ERROR(Config, "Failed.");
+        return false;
+    }
+    LOG_INFO(Config, "Successfully loaded %s", location);
+    return true;
+}
+
+static const std::array<int, Settings::NativeButton::NumButtons> default_buttons = {
+    SDL_SCANCODE_A, SDL_SCANCODE_S, SDL_SCANCODE_Z, SDL_SCANCODE_X, SDL_SCANCODE_T,
+    SDL_SCANCODE_G, SDL_SCANCODE_F, SDL_SCANCODE_H, SDL_SCANCODE_Q, SDL_SCANCODE_W,
+    SDL_SCANCODE_M, SDL_SCANCODE_N, SDL_SCANCODE_1, SDL_SCANCODE_2, SDL_SCANCODE_B,
+};
+
+static const std::array<std::array<int, 5>, Settings::NativeAnalog::NumAnalogs> default_analogs{{
+    {
+        SDL_SCANCODE_UP, SDL_SCANCODE_DOWN, SDL_SCANCODE_LEFT, SDL_SCANCODE_RIGHT, SDL_SCANCODE_D,
+    },
+    {
+        SDL_SCANCODE_I, SDL_SCANCODE_K, SDL_SCANCODE_J, SDL_SCANCODE_L, SDL_SCANCODE_D,
+    },
+}};
+
+void Config::ReadValues() {
+    // Controls
+    for (int i = 0; i < Settings::NativeButton::NumButtons; ++i) {
+        std::string default_param = InputCommon::GenerateKeyboardParam(default_buttons[i]);
+        Settings::values.buttons[i] =
+            sdl2_config->Get("Controls", Settings::NativeButton::mapping[i], default_param);
+        if (Settings::values.buttons[i].empty())
+            Settings::values.buttons[i] = default_param;
+    }
+
+    for (int i = 0; i < Settings::NativeAnalog::NumAnalogs; ++i) {
+        std::string default_param = InputCommon::GenerateAnalogParamFromKeys(
+            default_analogs[i][0], default_analogs[i][1], default_analogs[i][2],
+            default_analogs[i][3], default_analogs[i][4], 0.5f);
+        Settings::values.analogs[i] =
+            sdl2_config->Get("Controls", Settings::NativeAnalog::mapping[i], default_param);
+        if (Settings::values.analogs[i].empty())
+            Settings::values.analogs[i] = default_param;
+    }
+
+    Settings::values.motion_device = sdl2_config->Get(
+        "Controls", "motion_device", "engine:motion_emu,update_period:100,sensitivity:0.01");
+    Settings::values.touch_device =
+        sdl2_config->Get("Controls", "touch_device", "engine:emu_window");
+
+    // Core
+    Settings::values.cpu_core =
+        static_cast<Settings::CpuCore>(sdl2_config->GetInteger("Core", "cpu_core", 0));
+
+    // Renderer
+    Settings::values.use_hw_renderer = sdl2_config->GetBoolean("Renderer", "use_hw_renderer", true);
+    Settings::values.use_shader_jit = sdl2_config->GetBoolean("Renderer", "use_shader_jit", true);
+    Settings::values.resolution_factor =
+        (float)sdl2_config->GetReal("Renderer", "resolution_factor", 1.0);
+    Settings::values.use_vsync = sdl2_config->GetBoolean("Renderer", "use_vsync", false);
+    Settings::values.toggle_framelimit =
+        sdl2_config->GetBoolean("Renderer", "toggle_framelimit", true);
+
+    Settings::values.bg_red = (float)sdl2_config->GetReal("Renderer", "bg_red", 0.0);
+    Settings::values.bg_green = (float)sdl2_config->GetReal("Renderer", "bg_green", 0.0);
+    Settings::values.bg_blue = (float)sdl2_config->GetReal("Renderer", "bg_blue", 0.0);
+
+    // Layout
+    Settings::values.layout_option =
+        static_cast<Settings::LayoutOption>(sdl2_config->GetInteger("Layout", "layout_option", 0));
+    Settings::values.swap_screen = sdl2_config->GetBoolean("Layout", "swap_screen", false);
+    Settings::values.custom_layout = sdl2_config->GetBoolean("Layout", "custom_layout", false);
+    Settings::values.custom_top_left =
+        static_cast<u16>(sdl2_config->GetInteger("Layout", "custom_top_left", 0));
+    Settings::values.custom_top_top =
+        static_cast<u16>(sdl2_config->GetInteger("Layout", "custom_top_top", 0));
+    Settings::values.custom_top_right =
+        static_cast<u16>(sdl2_config->GetInteger("Layout", "custom_top_right", 400));
+    Settings::values.custom_top_bottom =
+        static_cast<u16>(sdl2_config->GetInteger("Layout", "custom_top_bottom", 240));
+    Settings::values.custom_bottom_left =
+        static_cast<u16>(sdl2_config->GetInteger("Layout", "custom_bottom_left", 40));
+    Settings::values.custom_bottom_top =
+        static_cast<u16>(sdl2_config->GetInteger("Layout", "custom_bottom_top", 240));
+    Settings::values.custom_bottom_right =
+        static_cast<u16>(sdl2_config->GetInteger("Layout", "custom_bottom_right", 360));
+    Settings::values.custom_bottom_bottom =
+        static_cast<u16>(sdl2_config->GetInteger("Layout", "custom_bottom_bottom", 480));
+
+    // Audio
+    Settings::values.sink_id = sdl2_config->Get("Audio", "output_engine", "auto");
+    Settings::values.enable_audio_stretching =
+        sdl2_config->GetBoolean("Audio", "enable_audio_stretching", true);
+    Settings::values.audio_device_id = sdl2_config->Get("Audio", "output_device", "auto");
+
+    // Data Storage
+    Settings::values.use_virtual_sd =
+        sdl2_config->GetBoolean("Data Storage", "use_virtual_sd", true);
+
+    // System
+    Settings::values.is_new_3ds = sdl2_config->GetBoolean("System", "is_new_3ds", false);
+    Settings::values.region_value =
+        sdl2_config->GetInteger("System", "region_value", Settings::REGION_VALUE_AUTO_SELECT);
+
+    // Miscellaneous
+    Settings::values.log_filter = sdl2_config->Get("Miscellaneous", "log_filter", "*:Info");
+
+    // Debugging
+    Settings::values.use_gdbstub = sdl2_config->GetBoolean("Debugging", "use_gdbstub", false);
+    Settings::values.gdbstub_port =
+        static_cast<u16>(sdl2_config->GetInteger("Debugging", "gdbstub_port", 24689));
+
+    // Web Service
+    Settings::values.enable_telemetry =
+        sdl2_config->GetBoolean("WebService", "enable_telemetry", true);
+    Settings::values.telemetry_endpoint_url = sdl2_config->Get(
+        "WebService", "telemetry_endpoint_url", "https://services.citra-emu.org/api/telemetry");
+    Settings::values.verify_endpoint_url = sdl2_config->Get(
+        "WebService", "verify_endpoint_url", "https://services.citra-emu.org/api/profile");
+    Settings::values.citra_username = sdl2_config->Get("WebService", "citra_username", "");
+    Settings::values.citra_token = sdl2_config->Get("WebService", "citra_token", "");
+}
+
+void Config::Reload() {
+    LoadINI(DefaultINI::sdl2_config_file);
+    ReadValues();
+}

src/yuzu_cmd/config.h

@@ -0,0 +1,24 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <string>
+
+class INIReader;
+
+class Config {
+    std::unique_ptr<INIReader> sdl2_config;
+    std::string sdl2_config_loc;
+
+    bool LoadINI(const std::string& default_contents = "", bool retry = true);
+    void ReadValues();
+
+public:
+    Config();
+    ~Config();
+
+    void Reload();
+};

src/yuzu_cmd/default_ini.h

@@ -0,0 +1,179 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+namespace DefaultINI {
+
+const char* sdl2_config_file = R"(
+[Controls]
+# The input devices and parameters for each 3DS native input
+# It should be in the format of "engine:[engine_name],[param1]:[value1],[param2]:[value2]..."
+# Escape characters $0 (for ':'), $1 (for ',') and $2 (for '$') can be used in values
+
+# for button input, the following devices are available:
+#  - "keyboard" (default) for keyboard input. Required parameters:
+#      - "code": the code of the key to bind
+#  - "sdl" for joystick input using SDL. Required parameters:
+#      - "joystick": the index of the joystick to bind
+#      - "button"(optional): the index of the button to bind
+#      - "hat"(optional): the index of the hat to bind as direction buttons
+#      - "axis"(optional): the index of the axis to bind
+#      - "direction"(only used for hat): the direction name of the hat to bind. Can be "up", "down", "left" or "right"
+#      - "threshold"(only used for axis): a float value in (-1.0, 1.0) which the button is
+#          triggered if the axis value crosses
+#      - "direction"(only used for axis): "+" means the button is triggered when the axis value
+#          is greater than the threshold; "-" means the button is triggered when the axis value
+#          is smaller than the threshold
+button_a=
+button_b=
+button_x=
+button_y=
+button_up=
+button_down=
+button_left=
+button_right=
+button_l=
+button_r=
+button_start=
+button_select=
+button_zl=
+button_zr=
+button_home=
+
+# for analog input, the following devices are available:
+#  - "analog_from_button" (default) for emulating analog input from direction buttons. Required parameters:
+#      - "up", "down", "left", "right": sub-devices for each direction.
+#          Should be in the format as a button input devices using escape characters, for example, "engine$0keyboard$1code$00"
+#      - "modifier": sub-devices as a modifier.
+#      - "modifier_scale": a float number representing the applied modifier scale to the analog input.
+#          Must be in range of 0.0-1.0. Defaults to 0.5
+#  - "sdl" for joystick input using SDL. Required parameters:
+#      - "joystick": the index of the joystick to bind
+#      - "axis_x": the index of the axis to bind as x-axis (default to 0)
+#      - "axis_y": the index of the axis to bind as y-axis (default to 1)
+circle_pad=
+c_stick=
+
+# for motion input, the following devices are available:
+#  - "motion_emu" (default) for emulating motion input from mouse input. Required parameters:
+#      - "update_period": update period in milliseconds (default to 100)
+#      - "sensitivity": the coefficient converting mouse movement to tilting angle (default to 0.01)
+motion_device=
+
+# for touch input, the following devices are available:
+#  - "emu_window" (default) for emulating touch input from mouse input to the emulation window. No parameters required
+touch_device=
+
+[Core]
+# Which CPU core to use for CPU emulation
+# 0 (default): Unicorn (slow), 1: Dynarmic (faster)
+cpu_core =
+
+[Renderer]
+# Whether to use software or hardware rendering.
+# 0: Software, 1 (default): Hardware
+use_hw_renderer =
+
+# Whether to use the Just-In-Time (JIT) compiler for shader emulation
+# 0: Interpreter (slow), 1 (default): JIT (fast)
+use_shader_jit =
+
+# Resolution scale factor
+# 0: Auto (scales resolution to window size), 1: Native 3DS screen resolution, Otherwise a scale
+# factor for the 3DS resolution
+resolution_factor =
+
+# Whether to enable V-Sync (caps the framerate at 60FPS) or not.
+# 0 (default): Off, 1: On
+use_vsync =
+
+# The clear color for the renderer. What shows up on the sides of the bottom screen.
+# Must be in range of 0.0-1.0. Defaults to 1.0 for all.
+bg_red =
+bg_blue =
+bg_green =
+
+[Layout]
+# Layout for the screen inside the render window.
+# 0 (default): Default Top Bottom Screen, 1: Single Screen Only, 2: Large Screen Small Screen
+layout_option =
+
+# Toggle custom layout (using the settings below) on or off.
+# 0 (default): Off , 1: On
+custom_layout =
+
+# Screen placement when using Custom layout option
+# 0x, 0y is the top left corner of the render window.
+custom_top_left =
+custom_top_top =
+custom_top_right =
+custom_top_bottom =
+custom_bottom_left =
+custom_bottom_top =
+custom_bottom_right =
+custom_bottom_bottom =
+
+#Whether to toggle frame limiter on or off.
+# 0: Off , 1  (default): On
+toggle_framelimit =
+
+# Swaps the prominent screen with the other screen.
+# For example, if Single Screen is chosen, setting this to 1 will display the bottom screen instead of the top screen.
+# 0 (default): Top Screen is prominent, 1: Bottom Screen is prominent
+swap_screen =
+
+[Audio]
+# Which audio output engine to use.
+# auto (default): Auto-select, null: No audio output, sdl2: SDL2 (if available)
+output_engine =
+
+# Whether or not to enable the audio-stretching post-processing effect.
+# This effect adjusts audio speed to match emulation speed and helps prevent audio stutter,
+# at the cost of increasing audio latency.
+# 0: No, 1 (default): Yes
+enable_audio_stretching =
+
+# Which audio device to use.
+# auto (default): Auto-select
+output_device =
+
+[Data Storage]
+# Whether to create a virtual SD card.
+# 1 (default): Yes, 0: No
+use_virtual_sd =
+
+[System]
+# The system model that Citra will try to emulate
+# 0: Old 3DS (default), 1: New 3DS
+is_new_3ds =
+
+# The system region that Citra will use during emulation
+# -1: Auto-select (default), 0: Japan, 1: USA, 2: Europe, 3: Australia, 4: China, 5: Korea, 6: Taiwan
+region_value =
+
+[Miscellaneous]
+# A filter which removes logs below a certain logging level.
+# Examples: *:Debug Kernel.SVC:Trace Service.*:Critical
+log_filter = *:Info
+
+[Debugging]
+# Port for listening to GDB connections.
+use_gdbstub=false
+gdbstub_port=24689
+
+[WebService]
+# Whether or not to enable telemetry
+# 0: No, 1 (default): Yes
+enable_telemetry =
+# Endpoint URL for submitting telemetry data
+telemetry_endpoint_url = https://services.citra-emu.org/api/telemetry
+# Endpoint URL to verify the username and token
+verify_endpoint_url = https://services.citra-emu.org/api/profile
+# Username and token for Citra Web Service
+# See https://services.citra-emu.org/ for more info
+citra_username =
+citra_token =
+)";
+}

src/yuzu_cmd/emu_window/emu_window_sdl2.cpp

@@ -0,0 +1,177 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <cstdlib>
+#include <string>
+#define SDL_MAIN_HANDLED
+#include <SDL.h>
+#include <glad/glad.h>
+#include "citra/emu_window/emu_window_sdl2.h"
+#include "common/logging/log.h"
+#include "common/scm_rev.h"
+#include "common/string_util.h"
+#include "core/settings.h"
+#include "input_common/keyboard.h"
+#include "input_common/main.h"
+#include "input_common/motion_emu.h"
+#include "network/network.h"
+
+void EmuWindow_SDL2::OnMouseMotion(s32 x, s32 y) {
+    TouchMoved((unsigned)std::max(x, 0), (unsigned)std::max(y, 0));
+    InputCommon::GetMotionEmu()->Tilt(x, y);
+}
+
+void EmuWindow_SDL2::OnMouseButton(u32 button, u8 state, s32 x, s32 y) {
+    if (button == SDL_BUTTON_LEFT) {
+        if (state == SDL_PRESSED) {
+            TouchPressed((unsigned)std::max(x, 0), (unsigned)std::max(y, 0));
+        } else {
+            TouchReleased();
+        }
+    } else if (button == SDL_BUTTON_RIGHT) {
+        if (state == SDL_PRESSED) {
+            InputCommon::GetMotionEmu()->BeginTilt(x, y);
+        } else {
+            InputCommon::GetMotionEmu()->EndTilt();
+        }
+    }
+}
+
+void EmuWindow_SDL2::OnKeyEvent(int key, u8 state) {
+    if (state == SDL_PRESSED) {
+        InputCommon::GetKeyboard()->PressKey(key);
+    } else if (state == SDL_RELEASED) {
+        InputCommon::GetKeyboard()->ReleaseKey(key);
+    }
+}
+
+bool EmuWindow_SDL2::IsOpen() const {
+    return is_open;
+}
+
+void EmuWindow_SDL2::OnResize() {
+    int width, height;
+    SDL_GetWindowSize(render_window, &width, &height);
+    UpdateCurrentFramebufferLayout(width, height);
+}
+
+EmuWindow_SDL2::EmuWindow_SDL2() {
+    InputCommon::Init();
+    Network::Init();
+
+    SDL_SetMainReady();
+
+    // Initialize the window
+    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+        LOG_CRITICAL(Frontend, "Failed to initialize SDL2! Exiting...");
+        exit(1);
+    }
+
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
+    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
+    SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
+    SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
+    SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
+    SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
+
+    std::string window_title = Common::StringFromFormat("yuzu %s| %s-%s ", Common::g_build_name,
+                                                        Common::g_scm_branch, Common::g_scm_desc);
+    render_window =
+        SDL_CreateWindow(window_title.c_str(),
+                         SDL_WINDOWPOS_UNDEFINED, // x position
+                         SDL_WINDOWPOS_UNDEFINED, // y position
+                         Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height,
+                         SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
+
+    if (render_window == nullptr) {
+        LOG_CRITICAL(Frontend, "Failed to create SDL2 window! Exiting...");
+        exit(1);
+    }
+
+    gl_context = SDL_GL_CreateContext(render_window);
+
+    if (gl_context == nullptr) {
+        LOG_CRITICAL(Frontend, "Failed to create SDL2 GL context! Exiting...");
+        exit(1);
+    }
+
+    if (!gladLoadGLLoader(static_cast<GLADloadproc>(SDL_GL_GetProcAddress))) {
+        LOG_CRITICAL(Frontend, "Failed to initialize GL functions! Exiting...");
+        exit(1);
+    }
+
+    OnResize();
+    OnMinimalClientAreaChangeRequest(GetActiveConfig().min_client_area_size);
+    SDL_PumpEvents();
+    SDL_GL_SetSwapInterval(Settings::values.use_vsync);
+
+    DoneCurrent();
+}
+
+EmuWindow_SDL2::~EmuWindow_SDL2() {
+    SDL_GL_DeleteContext(gl_context);
+    SDL_Quit();
+
+    Network::Shutdown();
+    InputCommon::Shutdown();
+}
+
+void EmuWindow_SDL2::SwapBuffers() {
+    SDL_GL_SwapWindow(render_window);
+}
+
+void EmuWindow_SDL2::PollEvents() {
+    SDL_Event event;
+
+    // SDL_PollEvent returns 0 when there are no more events in the event queue
+    while (SDL_PollEvent(&event)) {
+        switch (event.type) {
+        case SDL_WINDOWEVENT:
+            switch (event.window.event) {
+            case SDL_WINDOWEVENT_SIZE_CHANGED:
+            case SDL_WINDOWEVENT_RESIZED:
+            case SDL_WINDOWEVENT_MAXIMIZED:
+            case SDL_WINDOWEVENT_RESTORED:
+            case SDL_WINDOWEVENT_MINIMIZED:
+                OnResize();
+                break;
+            case SDL_WINDOWEVENT_CLOSE:
+                is_open = false;
+                break;
+            }
+            break;
+        case SDL_KEYDOWN:
+        case SDL_KEYUP:
+            OnKeyEvent(static_cast<int>(event.key.keysym.scancode), event.key.state);
+            break;
+        case SDL_MOUSEMOTION:
+            OnMouseMotion(event.motion.x, event.motion.y);
+            break;
+        case SDL_MOUSEBUTTONDOWN:
+        case SDL_MOUSEBUTTONUP:
+            OnMouseButton(event.button.button, event.button.state, event.button.x, event.button.y);
+            break;
+        case SDL_QUIT:
+            is_open = false;
+            break;
+        }
+    }
+}
+
+void EmuWindow_SDL2::MakeCurrent() {
+    SDL_GL_MakeCurrent(render_window, gl_context);
+}
+
+void EmuWindow_SDL2::DoneCurrent() {
+    SDL_GL_MakeCurrent(render_window, nullptr);
+}
+
+void EmuWindow_SDL2::OnMinimalClientAreaChangeRequest(
+    const std::pair<unsigned, unsigned>& minimal_size) {
+
+    SDL_SetWindowMinimumSize(render_window, minimal_size.first, minimal_size.second);
+}

src/yuzu_cmd/emu_window/emu_window_sdl2.h

@@ -0,0 +1,59 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <utility>
+#include "core/frontend/emu_window.h"
+
+struct SDL_Window;
+
+class EmuWindow_SDL2 : public EmuWindow {
+public:
+    EmuWindow_SDL2();
+    ~EmuWindow_SDL2();
+
+    /// Swap buffers to display the next frame
+    void SwapBuffers() override;
+
+    /// Polls window events
+    void PollEvents() override;
+
+    /// Makes the graphics context current for the caller thread
+    void MakeCurrent() override;
+
+    /// Releases the GL context from the caller thread
+    void DoneCurrent() override;
+
+    /// Whether the window is still open, and a close request hasn't yet been sent
+    bool IsOpen() const;
+
+private:
+    /// Called by PollEvents when a key is pressed or released.
+    void OnKeyEvent(int key, u8 state);
+
+    /// Called by PollEvents when the mouse moves.
+    void OnMouseMotion(s32 x, s32 y);
+
+    /// Called by PollEvents when a mouse button is pressed or released
+    void OnMouseButton(u32 button, u8 state, s32 x, s32 y);
+
+    /// Called by PollEvents when any event that may cause the window to be resized occurs
+    void OnResize();
+
+    /// Called when a configuration change affects the minimal size of the window
+    void OnMinimalClientAreaChangeRequest(
+        const std::pair<unsigned, unsigned>& minimal_size) override;
+
+    /// Is the window still open?
+    bool is_open = true;
+
+    /// Internal SDL2 render window
+    SDL_Window* render_window;
+
+    using SDL_GLContext = void*;
+    /// The OpenGL context associated with the window
+    SDL_GLContext gl_context;
+};

src/yuzu_cmd/resource.h

@@ -0,0 +1,16 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by pcafe.rc
+//
+#define IDI_ICON3 103
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE 105
+#define _APS_NEXT_COMMAND_VALUE 40001
+#define _APS_NEXT_CONTROL_VALUE 1001
+#define _APS_NEXT_SYMED_VALUE 101
+#endif
+#endif