static boolean wayland_surface_swap_buffers(struct native_surface *nsurf) { struct wayland_surface *surface = wayland_surface(nsurf); struct wayland_display *display = surface->display; int ret = 0; while (surface->frame_callback && ret != -1) ret = wl_display_dispatch_queue(display->dpy, display->queue); if (ret == -1) return EGL_FALSE; surface->frame_callback = wl_surface_frame(surface->win->surface); wl_callback_add_listener(surface->frame_callback, &frame_listener, surface); wl_proxy_set_queue((struct wl_proxy *) surface->frame_callback, display->queue); if (surface->type == WL_WINDOW_SURFACE) { resource_surface_swap_buffers(surface->rsurf, NATIVE_ATTACHMENT_FRONT_LEFT, NATIVE_ATTACHMENT_BACK_LEFT, FALSE); wayland_buffers_swap(surface->buffer, WL_BUFFER_FRONT, WL_BUFFER_BACK); if (surface->buffer[WL_BUFFER_FRONT] == NULL) surface->buffer[WL_BUFFER_FRONT] = display->create_buffer(display, surface, NATIVE_ATTACHMENT_FRONT_LEFT); wl_surface_attach(surface->win->surface, surface->buffer[WL_BUFFER_FRONT], surface->dx, surface->dy); resource_surface_get_size(surface->rsurf, (uint *) &surface->win->attached_width, (uint *) &surface->win->attached_height); surface->dx = 0; surface->dy = 0; } surface->sequence_number++; wayland_event_handler->invalid_surface(&display->base, &surface->base, surface->sequence_number); return TRUE; }
static boolean wayland_surface_swap_buffers(struct native_surface *nsurf) { struct wayland_surface *surface = wayland_surface(nsurf); struct wayland_display *display = surface->display; struct wl_callback *callback; while (surface->block_swap_buffers) wl_display_iterate(display->dpy, WL_DISPLAY_READABLE); surface->block_swap_buffers = TRUE; callback = wl_surface_frame(surface->win->surface); wl_callback_add_listener(callback, &frame_listener, surface); if (surface->type == WL_WINDOW_SURFACE) { resource_surface_swap_buffers(surface->rsurf, NATIVE_ATTACHMENT_FRONT_LEFT, NATIVE_ATTACHMENT_BACK_LEFT, FALSE); wayland_buffers_swap(surface->buffer, WL_BUFFER_FRONT, WL_BUFFER_BACK); if (surface->buffer[WL_BUFFER_FRONT] == NULL) surface->buffer[WL_BUFFER_FRONT] = display->create_buffer(display, surface, NATIVE_ATTACHMENT_FRONT_LEFT); wl_surface_attach(surface->win->surface, surface->buffer[WL_BUFFER_FRONT], surface->dx, surface->dy); resource_surface_get_size(surface->rsurf, (uint *) &surface->win->attached_width, (uint *) &surface->win->attached_height); surface->dx = 0; surface->dy = 0; } surface->sequence_number++; wayland_event_handler->invalid_surface(&display->base, &surface->base, surface->sequence_number); return TRUE; }