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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 <sys/socket.h>
#include <thread>
#include <X11/keysym.h>
#include <mglpp/mglpp.hpp>
#include <mglpp/system/Clock.hpp>
// TODO: Make keyboard 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 bool is_socket_disconnected(int socket) {
char buf = '\0';
errno = 0;
const ssize_t bytes_read = recv(socket, &buf, 1, MSG_PEEK | MSG_DONTWAIT);
return bytes_read == 0 || (bytes_read == -1 && (errno == EBADF || errno == ENOTCONN));
}
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. Either failed to connec to the X11 server or failed to 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);
}
if(gsr_info.system_info.display_server == gsr::DisplayServer::WAYLAND)
fprintf(stderr, "warning: Wayland support is experimental and requires XWayland. Things may not work as expected.\n");
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();
const int x11_socket = XConnectionNumber((Display*)context->connection);
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, gsr_info, egl_funcs);
//overlay.show();
// gsr::GlobalHotkeysX11 global_hotkeys;
// const bool show_hotkey_registered = global_hotkeys.bind_key_press({ XK_z, Mod1Mask }, "show_hide", [&](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", [&](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", [&](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", [&](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", [&](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", [&](const std::string &id) {
// fprintf(stderr, "pressed %s\n", id.c_str());
// overlay->save_replay();
// });
gsr::GlobalHotkeysLinux global_hotkeys;
if(!global_hotkeys.start())
fprintf(stderr, "error: failed to start global hotkeys\n");
const bool show_hotkey_registered = global_hotkeys.bind_action("show_hide", [&](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_show();
});
const bool record_hotkey_registered = global_hotkeys.bind_action("record", [&](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_record();
});
const bool pause_hotkey_registered = global_hotkeys.bind_action("pause", [&](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_pause();
});
const bool stream_hotkey_registered = global_hotkeys.bind_action("stream", [&](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_stream();
});
const bool replay_hotkey_registered = global_hotkeys.bind_action("replay_start", [&](const std::string &id) {
fprintf(stderr, "pressed %s\n", id.c_str());
overlay->toggle_replay();
});
const bool replay_save_hotkey_registered = global_hotkeys.bind_action("replay_save", [&](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");
mgl::Clock frame_delta_clock;
while(running) {
if(is_socket_disconnected(x11_socket)) {
fprintf(stderr, "info: the X11 server has shutdown\n");
break;
}
const double frame_delta_seconds = frame_delta_clock.restart();
gsr::set_frame_delta_seconds(frame_delta_seconds);
global_hotkeys.poll_events();
overlay->handle_events();
if(!overlay->draw())
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
fprintf(stderr, "info: shutting down!\n");
overlay.reset();
gsr::deinit_theme();
gsr::deinit_color_theme();
mgl_deinit();
return 0;
}
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