diff --git a/clients/simple-egl.c b/clients/simple-egl.c index 3db0e640..2c009ee2 100644 --- a/clients/simple-egl.c +++ b/clients/simple-egl.c @@ -93,7 +93,7 @@ struct window { struct wl_shell_surface *shell_surface; EGLSurface egl_surface; struct wl_callback *callback; - int fullscreen, configured, opaque, buffer_size; + int fullscreen, configured, opaque, buffer_size, frame_sync; }; static const char *vert_shader_text = @@ -296,9 +296,6 @@ static const struct wl_shell_surface_listener shell_surface_listener = { handle_popup_done }; -static void -redraw(void *data, struct wl_callback *callback, uint32_t time); - static void configure_callback(void *data, struct wl_callback *callback, uint32_t time) { @@ -307,9 +304,6 @@ configure_callback(void *data, struct wl_callback *callback, uint32_t time) wl_callback_destroy(callback); window->configured = 1; - - if (window->callback == NULL) - redraw(data, NULL, time); } static struct wl_callback_listener configure_callback_listener = { @@ -317,7 +311,7 @@ static struct wl_callback_listener configure_callback_listener = { }; static void -toggle_fullscreen(struct window *window, int fullscreen) +set_fullscreen(struct window *window, int fullscreen) { struct wl_callback *callback; @@ -328,16 +322,18 @@ toggle_fullscreen(struct window *window, int fullscreen) wl_shell_surface_set_fullscreen(window->shell_surface, WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, 0, NULL); + callback = wl_display_sync(window->display->display); + wl_callback_add_listener(callback, + &configure_callback_listener, + window); + } else { wl_shell_surface_set_toplevel(window->shell_surface); handle_configure(window, window->shell_surface, 0, window->window_size.width, window->window_size.height); + window->configured = 1; } - - callback = wl_display_sync(window->display->display); - wl_callback_add_listener(callback, &configure_callback_listener, - window); } static void @@ -368,7 +364,10 @@ create_surface(struct window *window) window->egl_surface, window->display->egl.ctx); assert(ret == EGL_TRUE); - toggle_fullscreen(window, window->fullscreen); + if (!window->frame_sync) + eglSwapInterval(display->egl.dpy, 0); + + set_fullscreen(window, window->fullscreen); } static void @@ -480,9 +479,6 @@ redraw(void *data, struct wl_callback *callback, uint32_t time) wl_surface_set_opaque_region(window->surface, NULL); } - window->callback = wl_surface_frame(window->surface); - wl_callback_add_listener(window->callback, &frame_listener, window); - if (display->swap_buffers_with_damage && buffer_age > 0) { rect[0] = window->geometry.width / 4 - 1; rect[1] = window->geometry.height / 4 - 1; @@ -632,7 +628,7 @@ keyboard_handle_key(void *data, struct wl_keyboard *keyboard, struct display *d = data; if (key == KEY_F11 && state) - toggle_fullscreen(d->window, d->window->fullscreen ^ 1); + set_fullscreen(d->window, d->window->fullscreen ^ 1); else if (key == KEY_ESC && state) running = 0; } @@ -739,6 +735,7 @@ usage(int error_code) " -f\tRun in fullscreen mode\n" " -o\tCreate an opaque surface\n" " -s\tUse a 16 bpp EGL config\n" + " -b\tDon't sync to compositor redraw (eglSwapInterval 0)\n" " -h\tThis help text\n\n"); exit(error_code); @@ -757,6 +754,7 @@ main(int argc, char **argv) window.window_size.width = 250; window.window_size.height = 250; window.buffer_size = 32; + window.frame_sync = 1; for (i = 1; i < argc; i++) { if (strcmp("-f", argv[i]) == 0) @@ -765,6 +763,8 @@ main(int argc, char **argv) window.opaque = 1; else if (strcmp("-s", argv[i]) == 0) window.buffer_size = 16; + else if (strcmp("-b", argv[i]) == 0) + window.frame_sync = 0; else if (strcmp("-h", argv[i]) == 0) usage(EXIT_SUCCESS); else @@ -792,8 +792,16 @@ main(int argc, char **argv) sigint.sa_flags = SA_RESETHAND; sigaction(SIGINT, &sigint, NULL); - while (running && ret != -1) - ret = wl_display_dispatch(display.display); + /* The mainloop here is a little subtle. Redrawing will cause + * EGL to read events so we can just call + * wl_display_dispatch_pending() to handle any events that got + * queued up as a side effect. */ + while (running && ret != -1) { + wl_display_dispatch_pending(display.display); + while (!window.configured) + wl_display_dispatch(display.display); + redraw(&window, NULL, 0); + } fprintf(stderr, "simple-egl exiting\n");