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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/gui/Utils.hpp"
#include <unistd.h>
#include <signal.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#define XK_LATIN1
#include <X11/keysymdef.h>
#include <mglpp/mglpp.hpp>
#include <mglpp/window/Window.hpp>
#include <mglpp/window/Event.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: Remove gpu-screen-recorder-overlay-daemon and handle that alt+z global hotkey here instead, to show/hide the window
// without restaring the program. Or make the daemon handle gpu screen recorder program state and pass that to the overlay.
// TODO: Add systray by using org.kde.StatusNotifierWatcher/etc dbus directly.
// TODO: Dont allow replay and record/stream at the same time. If we want to allow that then do that in gpu screen recorder instead
// to make it more efficient by doing record/replay/stream with the same encoded packets.
// TODO: Make sure the overlay always stays on top. Test with starting the overlay and then opening youtube in fullscreen.
extern "C" {
#include <mgl/mgl.h>
}
const mgl::Color bg_color(0, 0, 0, 100);
static void usage() {
fprintf(stderr, "usage: window-overlay\n");
exit(1);
}
static void startup_error(const char *msg) {
fprintf(stderr, "Error: %s\n", msg);
exit(1);
}
static sig_atomic_t running = 1;
static void sigint_handler(int signal) {
(void)signal;
running = 0;
}
int main(int argc, char **argv) {
(void)argv;
if(argc != 1)
usage();
signal(SIGINT, sigint_handler);
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, "error: Wayland is currently not supported\n");
exit(1);
}
std::string resources_path;
if(access("images/gpu_screen_recorder_logo.png", F_OK) == 0) {
resources_path = "./";
} else {
#ifdef GSR_OVERLAY_RESOURCES_PATH
resources_path = GSR_OVERLAY_RESOURCES_PATH "/";
#else
resources_path = "/usr/share/gsr-overlay/";
#endif
}
mgl::Init init;
mgl_context *context = mgl_get_context();
Display *display = (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);
}
mgl::vec2i window_size = { 1280, 720 };
mgl::vec2i window_pos = { 0, 0 };
mgl::Window::CreateParams window_create_params;
window_create_params.size = window_size;
window_create_params.min_size = window_size;
window_create_params.max_size = window_size;
window_create_params.position = window_pos;
window_create_params.hidden = true;
window_create_params.override_redirect = true;
window_create_params.background_color = bg_color;
window_create_params.support_alpha = true;
window_create_params.window_type = MGL_WINDOW_TYPE_NOTIFICATION;
window_create_params.render_api = MGL_RENDER_API_EGL;
mgl::Window window;
if(!window.create("gsr overlay", window_create_params))
startup_error("failed to create window");
unsigned char data = 2; // Prefer being composed to allow transparency
XChangeProperty(display, window.get_system_handle(), XInternAtom(display, "_NET_WM_BYPASS_COMPOSITOR", False), XA_CARDINAL, 32, PropModeReplace, &data, 1);
data = 1;
XChangeProperty(display, window.get_system_handle(), XInternAtom(display, "GAMESCOPE_EXTERNAL_OVERLAY", False), XA_CARDINAL, 32, PropModeReplace, &data, 1);
if(!gsr::init_theme(gsr_info, resources_path)) {
fprintf(stderr, "Error: failed to load theme\n");
exit(1);
}
gsr::Overlay overlay(window, resources_path, gsr_info, egl_funcs, bg_color);
overlay.show();
// gsr::GlobalHotkeysX11 global_hotkeys;
// global_hotkeys.bind_key_press({ XK_z, Mod1Mask }, "open/hide", [&](const std::string &id) {
// fprintf(stderr, "pressed %s\n", id.c_str());
// overlay.toggle_show();
// });
//fprintf(stderr, "info: gsr overlay is now ready, waiting for inputs. Press alt+z to show/hide the overlay\n");
mgl::Event event;
mgl::Clock frame_delta_clock;
while(window.is_open() && overlay.is_open() && running) {
const double frame_delta_seconds = frame_delta_clock.get_elapsed_time_seconds();
frame_delta_clock.restart();
gsr::set_frame_delta_seconds(frame_delta_seconds);
//global_hotkeys.poll_events();
while(window.poll_event(event)) {
overlay.on_event(event, window);
}
window.clear(bg_color);
overlay.draw(window);
window.display();
}
fprintf(stderr, "shutting down!\n");
gsr::deinit_theme();
window.close();
return 0;
}
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