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dolphin/Source/Core/DolphinNoGUI/MainNoGUI.cpp

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// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <OptionParser.h>
#include <cstddef>
#include <cstdio>
#include <cstring>
#include <signal.h>
#include <string>
#include <thread>
#include <unistd.h>
#include "Common/CommonTypes.h"
#include "Common/Event.h"
#include "Common/Flag.h"
#include "Common/Logging/LogManager.h"
#include "Common/MsgHandler.h"
#include "Core/Analytics.h"
#include "Core/Boot/Boot.h"
#include "Core/BootManager.h"
#include "Core/ConfigManager.h"
#include "Core/Core.h"
#include "Core/Host.h"
#include "Core/IOS/IOS.h"
#include "Core/IOS/STM/STM.h"
#include "Core/State.h"
#include "UICommon/CommandLineParse.h"
#include "UICommon/UICommon.h"
#include "VideoCommon/RenderBase.h"
#include "VideoCommon/VideoBackendBase.h"
static bool rendererHasFocus = true;
static bool rendererIsFullscreen = false;
static Common::Flag s_running{true};
static Common::Flag s_shutdown_requested{false};
static Common::Flag s_tried_graceful_shutdown{false};
static void signal_handler(int)
{
const char message[] = "A signal was received. A second signal will force Dolphin to stop.\n";
if (write(STDERR_FILENO, message, sizeof(message)) < 0)
{
}
s_shutdown_requested.Set();
}
namespace ProcessorInterface
{
void PowerButton_Tap();
}
class Platform
{
public:
virtual void Init() {}
virtual void SetTitle(const std::string& title) {}
virtual void MainLoop()
{
while (s_running.IsSet())
{
Core::HostDispatchJobs();
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
}
virtual void Shutdown() {}
virtual ~Platform() {}
};
static Platform* platform;
void Host_NotifyMapLoaded()
{
}
void Host_RefreshDSPDebuggerWindow()
{
}
static Common::Event updateMainFrameEvent;
void Host_Message(int Id)
{
if (Id == WM_USER_STOP)
{
s_running.Clear();
updateMainFrameEvent.Set();
}
}
static void* s_window_handle = nullptr;
void* Host_GetRenderHandle()
{
return s_window_handle;
}
void Host_UpdateTitle(const std::string& title)
{
platform->SetTitle(title);
}
void Host_UpdateDisasmDialog()
{
}
void Host_UpdateMainFrame()
{
updateMainFrameEvent.Set();
}
void Host_RequestRenderWindowSize(int width, int height)
{
}
bool Host_UINeedsControllerState()
{
return false;
}
bool Host_RendererHasFocus()
{
return rendererHasFocus;
}
bool Host_RendererIsFullscreen()
{
return rendererIsFullscreen;
}
void Host_ShowVideoConfig(void*, const std::string&)
{
}
void Host_YieldToUI()
{
}
void Host_UpdateProgressDialog(const char* caption, int position, int total)
{
}
#if HAVE_X11
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include "UICommon/X11Utils.h"
#ifndef HOST_NAME_MAX
#include <climits>
#define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
#endif
class PlatformX11 : public Platform
{
Display* dpy;
Window win;
Cursor blankCursor = None;
#if defined(HAVE_XRANDR) && HAVE_XRANDR
X11Utils::XRRConfiguration* XRRConfig;
#endif
void Init() override
{
XInitThreads();
dpy = XOpenDisplay(nullptr);
if (!dpy)
{
PanicAlert("No X11 display found");
exit(1);
}
win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), SConfig::GetInstance().iRenderWindowXPos,
SConfig::GetInstance().iRenderWindowYPos,
SConfig::GetInstance().iRenderWindowWidth,
SConfig::GetInstance().iRenderWindowHeight, 0, 0, BlackPixel(dpy, 0));
XSelectInput(dpy, win, StructureNotifyMask | KeyPressMask | FocusChangeMask);
Atom wmProtocols[1];
wmProtocols[0] = XInternAtom(dpy, "WM_DELETE_WINDOW", True);
XSetWMProtocols(dpy, win, wmProtocols, 1);
pid_t pid = getpid();
XChangeProperty(dpy, win, XInternAtom(dpy, "_NET_WM_PID", False), XA_CARDINAL, 32,
PropModeReplace, reinterpret_cast<unsigned char*>(&pid), 1);
char host_name[HOST_NAME_MAX] = "";
if (!gethostname(host_name, sizeof(host_name)))
{
XTextProperty wmClientMachine = {reinterpret_cast<unsigned char*>(host_name), XA_STRING, 8,
strlen(host_name)};
XSetWMClientMachine(dpy, win, &wmClientMachine);
}
XMapRaised(dpy, win);
XFlush(dpy);
s_window_handle = (void*)win;
if (SConfig::GetInstance().bDisableScreenSaver)
X11Utils::InhibitScreensaver(dpy, win, true);
#if defined(HAVE_XRANDR) && HAVE_XRANDR
XRRConfig = new X11Utils::XRRConfiguration(dpy, win);
#endif
if (SConfig::GetInstance().bHideCursor)
{
// make a blank cursor
Pixmap Blank;
XColor DummyColor;
char ZeroData[1] = {0};
Blank = XCreateBitmapFromData(dpy, win, ZeroData, 1, 1);
blankCursor = XCreatePixmapCursor(dpy, Blank, Blank, &DummyColor, &DummyColor, 0, 0);
XFreePixmap(dpy, Blank);
XDefineCursor(dpy, win, blankCursor);
}
}
void SetTitle(const std::string& string) override { XStoreName(dpy, win, string.c_str()); }
void MainLoop() override
{
bool fullscreen = SConfig::GetInstance().bFullscreen;
int last_window_width = SConfig::GetInstance().iRenderWindowWidth;
int last_window_height = SConfig::GetInstance().iRenderWindowHeight;
if (fullscreen)
{
rendererIsFullscreen = X11Utils::ToggleFullscreen(dpy, win);
#if defined(HAVE_XRANDR) && HAVE_XRANDR
XRRConfig->ToggleDisplayMode(True);
#endif
}
// The actual loop
while (s_running.IsSet())
{
if (s_shutdown_requested.TestAndClear())
{
const auto ios = IOS::HLE::GetIOS();
const auto stm = ios ? ios->GetDeviceByName("/dev/stm/eventhook") : nullptr;
if (!s_tried_graceful_shutdown.IsSet() && stm &&
std::static_pointer_cast<IOS::HLE::Device::STMEventHook>(stm)->HasHookInstalled())
{
ProcessorInterface::PowerButton_Tap();
s_tried_graceful_shutdown.Set();
}
else
{
s_running.Clear();
}
}
XEvent event;
KeySym key;
for (int num_events = XPending(dpy); num_events > 0; num_events--)
{
XNextEvent(dpy, &event);
switch (event.type)
{
case KeyPress:
key = XLookupKeysym((XKeyEvent*)&event, 0);
if (key == XK_Escape)
{
s_shutdown_requested.Set();
}
else if (key == XK_F10)
{
if (Core::GetState() == Core::State::Running)
{
if (SConfig::GetInstance().bHideCursor)
XUndefineCursor(dpy, win);
Core::SetState(Core::State::Paused);
}
else
{
if (SConfig::GetInstance().bHideCursor)
XDefineCursor(dpy, win, blankCursor);
Core::SetState(Core::State::Running);
}
}
else if ((key == XK_Return) && (event.xkey.state & Mod1Mask))
{
fullscreen = !fullscreen;
X11Utils::ToggleFullscreen(dpy, win);
#if defined(HAVE_XRANDR) && HAVE_XRANDR
XRRConfig->ToggleDisplayMode(fullscreen);
#endif
}
else if (key >= XK_F1 && key <= XK_F8)
{
int slot_number = key - XK_F1 + 1;
if (event.xkey.state & ShiftMask)
State::Save(slot_number);
else
State::Load(slot_number);
}
else if (key == XK_F9)
Core::SaveScreenShot();
else if (key == XK_F11)
State::LoadLastSaved();
else if (key == XK_F12)
{
if (event.xkey.state & ShiftMask)
State::UndoLoadState();
else
State::UndoSaveState();
}
break;
case FocusIn:
rendererHasFocus = true;
if (SConfig::GetInstance().bHideCursor && Core::GetState() != Core::State::Paused)
XDefineCursor(dpy, win, blankCursor);
break;
case FocusOut:
rendererHasFocus = false;
if (SConfig::GetInstance().bHideCursor)
XUndefineCursor(dpy, win);
break;
case ClientMessage:
if ((unsigned long)event.xclient.data.l[0] == XInternAtom(dpy, "WM_DELETE_WINDOW", False))
s_shutdown_requested.Set();
break;
case ConfigureNotify:
{
if (last_window_width != event.xconfigure.width ||
last_window_height != event.xconfigure.height)
{
last_window_width = event.xconfigure.width;
last_window_height = event.xconfigure.height;
// We call Renderer::ChangeSurface here to indicate the size has changed,
// but pass the same window handle. This is needed for the Vulkan backend,
// otherwise it cannot tell that the window has been resized on some drivers.
if (g_renderer)
g_renderer->ChangeSurface(s_window_handle);
}
}
break;
}
}
if (!fullscreen)
{
Window winDummy;
unsigned int borderDummy, depthDummy;
XGetGeometry(dpy, win, &winDummy, &SConfig::GetInstance().iRenderWindowXPos,
&SConfig::GetInstance().iRenderWindowYPos,
(unsigned int*)&SConfig::GetInstance().iRenderWindowWidth,
(unsigned int*)&SConfig::GetInstance().iRenderWindowHeight, &borderDummy,
&depthDummy);
rendererIsFullscreen = false;
}
Core::HostDispatchJobs();
usleep(100000);
}
}
void Shutdown() override
{
#if defined(HAVE_XRANDR) && HAVE_XRANDR
delete XRRConfig;
#endif
if (SConfig::GetInstance().bHideCursor)
XFreeCursor(dpy, blankCursor);
XCloseDisplay(dpy);
}
};
#endif
static Platform* GetPlatform()
{
#if defined(USE_HEADLESS)
return new Platform();
#elif HAVE_X11
return new PlatformX11();
#endif
return nullptr;
}
int main(int argc, char* argv[])
{
auto parser = CommandLineParse::CreateParser(CommandLineParse::ParserOptions::OmitGUIOptions);
optparse::Values& options = CommandLineParse::ParseArguments(parser.get(), argc, argv);
std::vector<std::string> args = parser->args();
std::unique_ptr<BootParameters> boot;
if (options.is_set("exec"))
{
boot = BootParameters::GenerateFromFile(static_cast<const char*>(options.get("exec")));
}
else if (options.is_set("nand_title"))
{
const std::string hex_string = static_cast<const char*>(options.get("nand_title"));
if (hex_string.length() != 16)
{
fprintf(stderr, "Invalid title ID\n");
parser->print_help();
return 1;
}
const u64 title_id = std::stoull(hex_string, nullptr, 16);
boot = std::make_unique<BootParameters>(BootParameters::NANDTitle{title_id});
}
else if (args.size())
{
boot = BootParameters::GenerateFromFile(args.front());
args.erase(args.begin());
}
else
{
parser->print_help();
return 0;
}
std::string user_directory;
if (options.is_set("user"))
{
user_directory = static_cast<const char*>(options.get("user"));
}
platform = GetPlatform();
if (!platform)
{
fprintf(stderr, "No platform found\n");
return 1;
}
UICommon::SetUserDirectory(user_directory);
UICommon::Init();
Core::SetOnStateChangedCallback([](Core::State state) {
if (state == Core::State::Uninitialized)
s_running.Clear();
});
platform->Init();
// Shut down cleanly on SIGINT and SIGTERM
struct sigaction sa;
sa.sa_handler = signal_handler;
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_RESETHAND;
sigaction(SIGINT, &sa, nullptr);
sigaction(SIGTERM, &sa, nullptr);
DolphinAnalytics::Instance()->ReportDolphinStart("nogui");
if (!BootManager::BootCore(std::move(boot)))
{
fprintf(stderr, "Could not boot the specified file\n");
return 1;
}
while (!Core::IsRunning() && s_running.IsSet())
{
Core::HostDispatchJobs();
updateMainFrameEvent.Wait();
}
if (s_running.IsSet())
platform->MainLoop();
Core::Stop();
Core::Shutdown();
platform->Shutdown();
UICommon::Shutdown();
delete platform;
return 0;
}
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