390 lines
12 KiB
C++
390 lines
12 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2013 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "xenia/app/discord/discord_presence.h"
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#include "xenia/app/emulator_window.h"
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#include "xenia/base/cvar.h"
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#include "xenia/base/debugging.h"
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#include "xenia/base/logging.h"
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#include "xenia/base/main.h"
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#include "xenia/base/profiling.h"
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#include "xenia/base/threading.h"
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#include "xenia/config.h"
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#include "xenia/debug/ui/debug_window.h"
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#include "xenia/emulator.h"
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#include "xenia/ui/file_picker.h"
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#include "xenia/vfs/devices/host_path_device.h"
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// Available audio systems:
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#include "xenia/apu/nop/nop_audio_system.h"
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#if XE_PLATFORM_WIN32
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#include "xenia/apu/xaudio2/xaudio2_audio_system.h"
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#endif // XE_PLATFORM_WIN32
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// Available graphics systems:
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#include "xenia/gpu/null/null_graphics_system.h"
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#include "xenia/gpu/vulkan/vulkan_graphics_system.h"
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#if XE_PLATFORM_WIN32
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#include "xenia/gpu/d3d12/d3d12_graphics_system.h"
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#endif // XE_PLATFORM_WIN32
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// Available input drivers:
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#include "xenia/hid/nop/nop_hid.h"
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#if XE_PLATFORM_WIN32
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#include "xenia/hid/winkey/winkey_hid.h"
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#include "xenia/hid/xinput/xinput_hid.h"
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#endif // XE_PLATFORM_WIN32
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#include "third_party/xbyak/xbyak/xbyak_util.h"
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DEFINE_string(apu, "any", "Audio system. Use: [any, nop, xaudio2]", "General");
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DEFINE_string(gpu, "any", "Graphics system. Use: [any, d3d12, vulkan, null]",
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"General");
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DEFINE_string(hid, "any", "Input system. Use: [any, nop, winkey, xinput]",
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"General");
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DEFINE_bool(fullscreen, false, "Toggles fullscreen", "General");
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DEFINE_string(content_root, "", "Root path for content (save/etc) storage.",
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"General");
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DEFINE_bool(mount_scratch, false, "Enable scratch mount", "General");
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DEFINE_bool(mount_cache, false, "Enable cache mount", "General");
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CmdVar(target, "", "Specifies the target .xex or .iso to execute.");
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DECLARE_bool(debug);
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DEFINE_bool(discord, true, "Enable Discord rich presence", "General");
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namespace xe {
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namespace app {
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template <class T>
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struct Factory {
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std::string name;
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std::function<bool()> is_available;
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std::function<std::unique_ptr<T>()> instantiate;
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template <class DT>
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static Factory Define(const std::string& name) {
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return {name, DT::IsAvailable,
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[]() { return std::unique_ptr<DT>(new DT); }};
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}
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static std::unique_ptr<T> Create(const std::string& name,
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const std::vector<Factory>& factories) {
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if (!name.empty() && name != "any") {
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auto it = std::find_if(
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factories.begin(), factories.end(),
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[&name](const auto& f) { return name.compare(f.name) == 0; });
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if (it != factories.end() && (*it).is_available()) {
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return (*it).instantiate();
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}
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return nullptr;
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} else {
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// Create best available.
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std::unique_ptr<T> best;
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for (const auto& factory : factories) {
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if (!factory.is_available()) continue;
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best = factory.instantiate();
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if (!best) continue;
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return best;
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}
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// Nothing!
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return nullptr;
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}
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}
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};
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std::unique_ptr<apu::AudioSystem> CreateAudioSystem(cpu::Processor* processor) {
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if (cvars::apu.compare("nop") == 0) {
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return apu::nop::NopAudioSystem::Create(processor);
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#if XE_PLATFORM_WIN32
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} else if (cvars::apu.compare("xaudio2") == 0) {
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return apu::xaudio2::XAudio2AudioSystem::Create(processor);
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#endif // XE_PLATFORM_WIN32
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} else {
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// Create best available.
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std::unique_ptr<apu::AudioSystem> best;
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#if XE_PLATFORM_WIN32
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best = apu::xaudio2::XAudio2AudioSystem::Create(processor);
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if (best) {
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return best;
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}
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#endif // XE_PLATFORM_WIN32
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// Fallback to nop.
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return apu::nop::NopAudioSystem::Create(processor);
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}
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}
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std::unique_ptr<gpu::GraphicsSystem> CreateGraphicsSystem() {
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using NullGS = gpu::null::NullGraphicsSystem;
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using D3D12GS = gpu::d3d12::D3D12GraphicsSystem;
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using VulkanGS = gpu::vulkan::VulkanGraphicsSystem;
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using Factory = Factory<gpu::GraphicsSystem>;
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std::vector<Factory> factories = {
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#if XE_PLATFORM_WIN32
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Factory::Define<D3D12GS>("d3d12"),
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#endif // XE_PLATFORM_WIN32
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Factory::Define<VulkanGS>("vulkan"),
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Factory::Define<NullGS>("null"),
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};
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return Factory::Create(cvars::gpu, factories);
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}
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std::vector<std::unique_ptr<hid::InputDriver>> CreateInputDrivers(
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ui::Window* window) {
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std::vector<std::unique_ptr<hid::InputDriver>> drivers;
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if (cvars::hid.compare("nop") == 0) {
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drivers.emplace_back(xe::hid::nop::Create(window));
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#if XE_PLATFORM_WIN32
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} else if (cvars::hid.compare("winkey") == 0) {
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drivers.emplace_back(xe::hid::winkey::Create(window));
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} else if (cvars::hid.compare("xinput") == 0) {
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drivers.emplace_back(xe::hid::xinput::Create(window));
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#endif // XE_PLATFORM_WIN32
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} else {
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#if XE_PLATFORM_WIN32
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auto xinput_driver = xe::hid::xinput::Create(window);
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if (xinput_driver) {
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drivers.emplace_back(std::move(xinput_driver));
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}
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auto winkey_driver = xe::hid::winkey::Create(window);
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if (winkey_driver) {
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drivers.emplace_back(std::move(winkey_driver));
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}
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#endif // XE_PLATFORM_WIN32
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}
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for (auto it = drivers.begin(); it != drivers.end();) {
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if (XFAILED((*it)->Setup())) {
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it = drivers.erase(it);
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} else {
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++it;
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}
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}
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if (drivers.empty()) {
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// Fallback to nop if none created.
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drivers.emplace_back(xe::hid::nop::Create(window));
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}
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return drivers;
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}
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int xenia_main(const std::vector<std::wstring>& args) {
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Profiler::Initialize();
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Profiler::ThreadEnter("main");
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if (cvars::discord) {
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discord::DiscordPresence::Initialize();
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discord::DiscordPresence::NotPlaying();
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}
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// Figure out where content should go.
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std::wstring content_root = xe::to_wstring(cvars::content_root);
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std::wstring config_folder;
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if (content_root.empty()) {
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auto base_path = xe::filesystem::GetExecutableFolder();
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base_path = xe::to_absolute_path(base_path);
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auto portable_path = xe::join_paths(base_path, L"portable.txt");
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if (xe::filesystem::PathExists(portable_path)) {
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content_root = xe::join_paths(base_path, L"content");
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config_folder = base_path;
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} else {
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content_root = xe::filesystem::GetUserFolder();
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#if defined(XE_PLATFORM_WIN32)
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content_root = xe::join_paths(content_root, L"Xenia");
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#elif defined(XE_PLATFORM_LINUX)
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content_root = xe::join_paths(content_root, L"Xenia");
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#else
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#warning Unhandled platform for content root.
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content_root = xe::join_paths(content_root, L"Xenia");
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#endif
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config_folder = content_root;
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content_root = xe::join_paths(content_root, L"content");
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}
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}
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content_root = xe::to_absolute_path(content_root);
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XELOGI("Content root: %S", content_root.c_str());
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config::SetupConfig(config_folder);
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// Create the emulator but don't initialize so we can setup the window.
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auto emulator = std::make_unique<Emulator>(L"", content_root);
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// Main emulator display window.
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auto emulator_window = EmulatorWindow::Create(emulator.get());
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// Setup and initialize all subsystems. If we can't do something
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// (unsupported system, memory issues, etc) this will fail early.
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X_STATUS result =
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emulator->Setup(emulator_window->window(), CreateAudioSystem,
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CreateGraphicsSystem, CreateInputDrivers);
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if (XFAILED(result)) {
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XELOGE("Failed to setup emulator: %.8X", result);
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return 1;
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}
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if (cvars::mount_scratch) {
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auto scratch_device = std::make_unique<xe::vfs::HostPathDevice>(
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"\\SCRATCH", L"scratch", false);
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if (!scratch_device->Initialize()) {
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XELOGE("Unable to scan scratch path");
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} else {
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if (!emulator->file_system()->RegisterDevice(std::move(scratch_device))) {
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XELOGE("Unable to register scratch path");
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} else {
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emulator->file_system()->RegisterSymbolicLink("scratch:", "\\SCRATCH");
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}
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}
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}
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if (cvars::mount_cache) {
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auto cache0_device =
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std::make_unique<xe::vfs::HostPathDevice>("\\CACHE0", L"cache0", false);
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if (!cache0_device->Initialize()) {
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XELOGE("Unable to scan cache0 path");
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} else {
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if (!emulator->file_system()->RegisterDevice(std::move(cache0_device))) {
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XELOGE("Unable to register cache0 path");
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} else {
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emulator->file_system()->RegisterSymbolicLink("cache0:", "\\CACHE0");
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}
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}
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auto cache1_device =
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std::make_unique<xe::vfs::HostPathDevice>("\\CACHE1", L"cache1", false);
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if (!cache1_device->Initialize()) {
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XELOGE("Unable to scan cache1 path");
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} else {
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if (!emulator->file_system()->RegisterDevice(std::move(cache1_device))) {
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XELOGE("Unable to register cache1 path");
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} else {
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emulator->file_system()->RegisterSymbolicLink("cache1:", "\\CACHE1");
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}
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}
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}
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// Set a debug handler.
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// This will respond to debugging requests so we can open the debug UI.
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std::unique_ptr<xe::debug::ui::DebugWindow> debug_window;
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if (cvars::debug) {
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emulator->processor()->set_debug_listener_request_handler(
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[&](xe::cpu::Processor* processor) {
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if (debug_window) {
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return debug_window.get();
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}
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emulator_window->loop()->PostSynchronous([&]() {
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debug_window = xe::debug::ui::DebugWindow::Create(
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emulator.get(), emulator_window->loop());
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debug_window->window()->on_closed.AddListener(
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[&](xe::ui::UIEvent* e) {
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emulator->processor()->set_debug_listener(nullptr);
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emulator_window->loop()->Post(
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[&]() { debug_window.reset(); });
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});
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});
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return debug_window.get();
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});
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}
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auto evt = xe::threading::Event::CreateAutoResetEvent(false);
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emulator->on_launch.AddListener([&](auto title_id, const auto& game_title) {
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if (cvars::discord) {
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discord::DiscordPresence::PlayingTitle(
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game_title.empty() ? L"Unknown Title" : game_title);
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}
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emulator_window->UpdateTitle();
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evt->Set();
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});
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emulator->on_terminate.AddListener([&]() {
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if (cvars::discord) {
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discord::DiscordPresence::NotPlaying();
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}
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});
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emulator_window->window()->on_closing.AddListener([&](ui::UIEvent* e) {
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// This needs to shut down before the graphics context.
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Profiler::Shutdown();
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});
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bool exiting = false;
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emulator_window->loop()->on_quit.AddListener([&](ui::UIEvent* e) {
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exiting = true;
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evt->Set();
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if (cvars::discord) {
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discord::DiscordPresence::Shutdown();
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}
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// TODO(DrChat): Remove this code and do a proper exit.
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XELOGI("Cheap-skate exit!");
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exit(0);
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});
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// Enable the main menu now that the emulator is properly loaded
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emulator_window->window()->EnableMainMenu();
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// Grab path from the flag or unnamed argument.
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std::wstring path;
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if (!cvars::target.empty()) {
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path = xe::to_wstring(cvars::target);
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}
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// Toggles fullscreen
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if (cvars::fullscreen) emulator_window->ToggleFullscreen();
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if (!path.empty()) {
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// Normalize the path and make absolute.
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std::wstring abs_path = xe::to_absolute_path(path);
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result = emulator->LaunchPath(abs_path);
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if (XFAILED(result)) {
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xe::FatalError("Failed to launch target: %.8X", result);
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emulator.reset();
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emulator_window.reset();
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return 1;
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}
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}
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// Now, we're going to use the main thread to drive events related to
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// emulation.
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while (!exiting) {
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xe::threading::Wait(evt.get(), false);
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while (true) {
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emulator->WaitUntilExit();
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if (emulator->TitleRequested()) {
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emulator->LaunchNextTitle();
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} else {
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break;
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}
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}
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}
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debug_window.reset();
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emulator.reset();
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if (cvars::discord) {
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discord::DiscordPresence::Shutdown();
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}
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Profiler::Dump();
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Profiler::Shutdown();
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emulator_window.reset();
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return 0;
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}
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} // namespace app
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} // namespace xe
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DEFINE_ENTRY_POINT(L"xenia", L"xenia some.xex", xe::app::xenia_main);
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