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#include "../include/GsrInfo.hpp"
#include "../include/Theme.hpp"
#include "../include/window_texture.h"
#include "../include/Overlay.hpp"
#include "../include/GlobalHotkeysX11.hpp"
#include "../include/GlobalHotkeysLinux.hpp"
#include "../include/gui/Utils.hpp"
#include <unistd.h>
#include <signal.h>
#include <thread>
#include <X11/keysym.h>
#include <mglpp/mglpp.hpp>
#include <mglpp/system/Clock.hpp>
// TODO: Make keyboard/controller controllable for steam deck (and other controllers).
// TODO: Keep track of gpu screen recorder run by other programs to not allow recording at the same time, or something.
// TODO: Add systray by using org.kde.StatusNotifierWatcher/etc dbus directly.
// TODO: Make sure the overlay always stays on top. Test with starting the overlay and then opening youtube in fullscreen.
// This is done in Overlay::force_window_on_top, but it's not called right now. It cant be used because the overlay will be on top of
// notifications.
extern "C" {
#include <mgl/mgl.h>
}
static sig_atomic_t running = 1;
static void sigint_handler(int signal) {
(void)signal;
running = 0;
}
static void disable_prime_run() {
unsetenv("__NV_PRIME_RENDER_OFFLOAD");
unsetenv("__NV_PRIME_RENDER_OFFLOAD_PROVIDER");
unsetenv("__GLX_VENDOR_LIBRARY_NAME");
unsetenv("__VK_LAYER_NV_optimus");
}
static std::unique_ptr<gsr::GlobalHotkeysX11> register_x11_hotkeys(gsr::Overlay *overlay) {
auto global_hotkeys = std::make_unique<gsr::GlobalHotkeysX11>();
const bool show_hotkey_registered = global_hotkeys->bind_key_press({ XK_z, Mod1Mask }, "show_hide", [overlay](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_show();
});
const bool record_hotkey_registered = global_hotkeys->bind_key_press({ XK_F9, Mod1Mask }, "record", [overlay](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_record();
});
const bool pause_hotkey_registered = global_hotkeys->bind_key_press({ XK_F7, Mod1Mask }, "pause", [overlay](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_pause();
});
const bool stream_hotkey_registered = global_hotkeys->bind_key_press({ XK_F8, Mod1Mask }, "stream", [overlay](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_stream();
});
const bool replay_hotkey_registered = global_hotkeys->bind_key_press({ XK_F10, ShiftMask | Mod1Mask }, "replay_start", [overlay](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_replay();
});
const bool replay_save_hotkey_registered = global_hotkeys->bind_key_press({ XK_F10, Mod1Mask }, "replay_save", [overlay](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->save_replay();
});
if(!show_hotkey_registered)
fprintf(stderr, "error: failed to register hotkey alt+z for showing the overlay because the hotkey is registered by another program\n");
if(!record_hotkey_registered)
fprintf(stderr, "error: failed to register hotkey alt+f9 for recording because the hotkey is registered by another program\n");
if(!pause_hotkey_registered)
fprintf(stderr, "error: failed to register hotkey alt+f7 for pausing because the hotkey is registered by another program\n");
if(!stream_hotkey_registered)
fprintf(stderr, "error: failed to register hotkey alt+f8 for streaming because the hotkey is registered by another program\n");
if(!replay_hotkey_registered)
fprintf(stderr, "error: failed to register hotkey alt+shift+f10 for starting replay because the hotkey is registered by another program\n");
if(!replay_save_hotkey_registered)
fprintf(stderr, "error: failed to register hotkey alt+f10 for saving replay because the hotkey is registered by another program\n");
if(!show_hotkey_registered || !record_hotkey_registered || !pause_hotkey_registered || !stream_hotkey_registered || !replay_hotkey_registered || !replay_save_hotkey_registered)
return nullptr;
return global_hotkeys;
}
static std::unique_ptr<gsr::GlobalHotkeysLinux> register_linux_hotkeys(gsr::Overlay *overlay) {
auto global_hotkeys = std::make_unique<gsr::GlobalHotkeysLinux>();
if(!global_hotkeys->start())
fprintf(stderr, "error: failed to start global hotkeys\n");
global_hotkeys->bind_action("show_hide", [overlay](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_show();
});
global_hotkeys->bind_action("record", [overlay](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_record();
});
global_hotkeys->bind_action("pause", [overlay](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_pause();
});
global_hotkeys->bind_action("stream", [overlay](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_stream();
});
global_hotkeys->bind_action("replay_start", [overlay](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_replay();
});
global_hotkeys->bind_action("replay_save", [overlay](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->save_replay();
});
return global_hotkeys;
}
int main(void) {
setlocale(LC_ALL, "C"); // Sigh... stupid C
if(geteuid() == 0) {
fprintf(stderr, "Error: don't run gsr-ui as the root user\n");
return 1;
}
// Cant get window texture when prime-run is used
disable_prime_run();
// Stop nvidia driver from buffering frames
setenv("__GL_MaxFramesAllowed", "1", true);
// If this is set to 1 then cuGraphicsGLRegisterImage will fail for egl context with error: invalid OpenGL or DirectX context,
// so we overwrite it
setenv("__GL_THREADED_OPTIMIZATIONS", "0", true);
// Some people set this to force all applications to vsync on nvidia, but this makes eglSwapBuffers never return.
unsetenv("__GL_SYNC_TO_VBLANK");
// Same as above, but for amd/intel
unsetenv("vblank_mode");
signal(SIGINT, sigint_handler);
if(mgl_init() != 0) {
fprintf(stderr, "Error: failed to initialize mgl. Failed to either connect to the X11 server or setup opengl\n");
exit(1);
}
gsr::GsrInfo gsr_info;
// TODO: Show the error in ui
gsr::GsrInfoExitStatus gsr_info_exit_status = gsr::get_gpu_screen_recorder_info(&gsr_info);
if(gsr_info_exit_status != gsr::GsrInfoExitStatus::OK) {
fprintf(stderr, "Error: failed to get gpu-screen-recorder info, error: %d\n", (int)gsr_info_exit_status);
exit(1);
}
const gsr::DisplayServer display_server = gsr_info.system_info.display_server;
if(display_server == gsr::DisplayServer::WAYLAND)
fprintf(stderr, "Warning: Wayland support is experimental and requires XWayland. Things may not work as expected.\n");
gsr::SupportedCaptureOptions capture_options = gsr::get_supported_capture_options(gsr_info);
std::string resources_path;
if(access("sibs-build", F_OK) == 0) {
resources_path = "./";
} else {
#ifdef GSR_UI_RESOURCES_PATH
resources_path = GSR_UI_RESOURCES_PATH "/";
#else
resources_path = "/usr/share/gsr-ui/";
#endif
}
mgl_context *context = mgl_get_context();
egl_functions egl_funcs;
egl_funcs.eglGetError = (decltype(egl_funcs.eglGetError))context->gl.eglGetProcAddress("eglGetError");
egl_funcs.eglCreateImage = (decltype(egl_funcs.eglCreateImage))context->gl.eglGetProcAddress("eglCreateImage");
egl_funcs.eglDestroyImage = (decltype(egl_funcs.eglDestroyImage))context->gl.eglGetProcAddress("eglDestroyImage");
egl_funcs.glEGLImageTargetTexture2DOES = (decltype(egl_funcs.glEGLImageTargetTexture2DOES))context->gl.eglGetProcAddress("glEGLImageTargetTexture2DOES");
if(!egl_funcs.eglGetError || !egl_funcs.eglCreateImage || !egl_funcs.eglDestroyImage || !egl_funcs.glEGLImageTargetTexture2DOES) {
fprintf(stderr, "Error: required opengl functions not available on your system\n");
exit(1);
}
fprintf(stderr, "Info: gsr ui is now ready, waiting for inputs. Press alt+z to show/hide the overlay\n");
auto overlay = std::make_unique<gsr::Overlay>(resources_path, std::move(gsr_info), std::move(capture_options), egl_funcs);
//overlay.show();
std::unique_ptr<gsr::GlobalHotkeys> global_hotkeys = nullptr;
if(display_server == gsr::DisplayServer::X11) {
global_hotkeys = register_x11_hotkeys(overlay.get());
if(!global_hotkeys) {
fprintf(stderr, "Info: failed to register some x11 hotkeys because they are registered by another program. Will use linux hotkeys instead that can clash with keys used by other applications\n");
global_hotkeys = register_linux_hotkeys(overlay.get());
}
} else {
fprintf(stderr, "Info: Global linux hotkeys are used which can clash with keys used by other applications. Use X11 instead if this is an issue for you\n");
global_hotkeys = register_linux_hotkeys(overlay.get());
}
// TODO: Add hotkeys in Overlay when using x11 global hotkeys. The hotkeys in Overlay should duplicate each key that is used for x11 global hotkeys.
mgl::Clock frame_delta_clock;
while(running && mgl_is_connected_to_display_server()) {
const double frame_delta_seconds = frame_delta_clock.restart();
gsr::set_frame_delta_seconds(frame_delta_seconds);
global_hotkeys->poll_events();
overlay->handle_events(global_hotkeys.get());
if(!overlay->draw()) {
std::this_thread::sleep_for(std::chrono::milliseconds(100));
mgl_ping_display_server();
}
}
fprintf(stderr, "Info: shutting down!\n");
overlay.reset();
gsr::deinit_theme();
gsr::deinit_color_theme();
mgl_deinit();
return 0;
}
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