bool WaylandEGLContext::attach (GtkWidget *widget)
{
GdkWindow *window = gtk_widget_get_window (widget);
if (!GDK_IS_WAYLAND_WINDOW (window))
return false;
gdk_window = window;
gdk_window_get_geometry (gdk_window, &x, &y, &width, &height);
display = gdk_wayland_display_get_wl_display (gdk_window_get_display (gdk_window));
parent = gdk_wayland_window_get_wl_surface (gdk_window);
registry = wl_display_get_registry (display);
wl_registry_add_listener (registry, &wl_registry_listener, this);
wl_display_roundtrip (display);
if (!compositor || !subcompositor)
return false;
child = wl_compositor_create_surface (compositor);
region = wl_compositor_create_region (compositor);
subsurface = wl_subcompositor_get_subsurface (subcompositor, child, parent);
wl_surface_set_input_region (child, region);
wl_subsurface_set_desync (subsurface);
wl_subsurface_set_position (subsurface, x, y);
return true;
}
static void
gst_wl_window_resize_video_surface (GstWlWindow * window, gboolean commit)
{
GstVideoRectangle src, res;
/* center the video_subsurface inside area_subsurface */
src.w = window->video_width;
src.h = window->video_height;
gst_video_sink_center_rect (src, window->render_rectangle, &res, TRUE);
wl_subsurface_set_position (window->video_subsurface, res.x, res.y);
wl_viewport_set_destination (window->video_viewport, res.w, res.h);
if (commit) {
wl_surface_damage (window->video_surface, 0, 0, res.w, res.h);
wl_surface_commit (window->video_surface);
}
if (gst_wl_window_is_toplevel (window)) {
struct wl_region *region;
region = wl_compositor_create_region (window->display->compositor);
wl_region_add(region, 0, 0, window->render_rectangle.w, window->render_rectangle.h);
wl_surface_set_input_region (window->area_surface, region);
wl_region_destroy (region);
}
/* this is saved for use in wl_surface_damage */
window->surface_width = res.w;
window->surface_height = res.h;
}
static GstWlWindow *
gst_wl_window_new_internal (GstWlDisplay * display, GMutex * render_lock)
{
GstWlWindow *window;
struct wl_region *region;
window = g_object_new (GST_TYPE_WL_WINDOW, NULL);
window->display = g_object_ref (display);
window->render_lock = render_lock;
window->area_surface = wl_compositor_create_surface (display->compositor);
window->video_surface = wl_compositor_create_surface (display->compositor);
window->area_surface_wrapper = wl_proxy_create_wrapper (window->area_surface);
window->video_surface_wrapper =
wl_proxy_create_wrapper (window->video_surface);
wl_proxy_set_queue ((struct wl_proxy *) window->area_surface_wrapper,
display->queue);
wl_proxy_set_queue ((struct wl_proxy *) window->video_surface_wrapper,
display->queue);
/* embed video_surface in area_surface */
window->video_subsurface =
wl_subcompositor_get_subsurface (display->subcompositor,
window->video_surface, window->area_surface);
wl_subsurface_set_desync (window->video_subsurface);
if (display->viewporter) {
window->area_viewport = wp_viewporter_get_viewport (display->viewporter,
window->area_surface);
window->video_viewport = wp_viewporter_get_viewport (display->viewporter,
window->video_surface);
}
/* do not accept input */
region = wl_compositor_create_region (display->compositor);
wl_surface_set_input_region (window->area_surface, region);
wl_region_destroy (region);
region = wl_compositor_create_region (display->compositor);
wl_surface_set_input_region (window->video_surface, region);
wl_region_destroy (region);
return window;
}
static void
set_empty_input_region(struct widget *widget, struct display *display)
{
struct wl_compositor *compositor;
struct wl_surface *surface;
struct wl_region *region;
compositor = display_get_compositor(display);
surface = widget_get_wl_surface(widget);
region = wl_compositor_create_region(compositor);
wl_surface_set_input_region(surface, region);
wl_region_destroy(region);
}
UwacReturnCode UwacWindowSetInputRegion(UwacWindow* window, uint32_t x, uint32_t y, uint32_t width,
uint32_t height)
{
assert(window);
if (window->input_region)
wl_region_destroy(window->input_region);
window->input_region = wl_compositor_create_region(window->display->compositor);
if (!window->input_region)
return UWAC_ERROR_NOMEMORY;
wl_region_add(window->input_region, x, y, width, height);
wl_surface_set_input_region(window->surface, window->input_region);
return UWAC_SUCCESS;
}
static GstWlWindow *
gst_wl_window_new_internal (GstWlDisplay * display, struct wl_surface *surface)
{
GstWlWindow *window;
struct wl_region *region;
g_return_val_if_fail (surface != NULL, NULL);
window = g_object_new (GST_TYPE_WL_WINDOW, NULL);
window->display = g_object_ref (display);
window->surface = surface;
/* make sure the surface runs on our local queue */
wl_proxy_set_queue ((struct wl_proxy *) surface, display->queue);
window->viewport = wl_scaler_get_viewport (display->scaler, window->surface);
/* do not accept input */
region = wl_compositor_create_region (display->compositor);
wl_surface_set_input_region (surface, region);
wl_region_destroy (region);
return window;
}
static GstWlWindow *
gst_wl_window_new_internal (GstWlDisplay * display)
{
GstWlWindow *window;
GstVideoInfo info;
GstBuffer *buf;
GstMapInfo mapinfo;
struct wl_buffer *wlbuf;
GstWlBuffer *gwlbuf;
struct wl_region *region;
window = g_object_new (GST_TYPE_WL_WINDOW, NULL);
window->display = g_object_ref (display);
window->area_surface = wl_compositor_create_surface (display->compositor);
window->video_surface = wl_compositor_create_surface (display->compositor);
wl_proxy_set_queue ((struct wl_proxy *) window->area_surface, display->queue);
wl_proxy_set_queue ((struct wl_proxy *) window->video_surface,
display->queue);
/* embed video_surface in area_surface */
window->video_subsurface =
wl_subcompositor_get_subsurface (display->subcompositor,
window->video_surface, window->area_surface);
wl_subsurface_set_desync (window->video_subsurface);
window->area_viewport = wl_scaler_get_viewport (display->scaler,
window->area_surface);
window->video_viewport = wl_scaler_get_viewport (display->scaler,
window->video_surface);
/* draw the area_subsurface */
gst_video_info_set_format (&info,
/* we want WL_SHM_FORMAT_XRGB8888 */
#if G_BYTE_ORDER == G_BIG_ENDIAN
GST_VIDEO_FORMAT_xRGB,
#else
GST_VIDEO_FORMAT_BGRx,
#endif
1, 1);
buf = gst_buffer_new_allocate (gst_wl_shm_allocator_get (), info.size, NULL);
gst_buffer_map (buf, &mapinfo, GST_MAP_WRITE);
*((guint32 *) mapinfo.data) = 0; /* paint it black */
gst_buffer_unmap (buf, &mapinfo);
wlbuf =
gst_wl_shm_memory_construct_wl_buffer (gst_buffer_peek_memory (buf, 0),
display, &info);
gwlbuf = gst_buffer_add_wl_buffer (buf, wlbuf, display);
gst_wl_buffer_attach (gwlbuf, window->area_surface);
/* at this point, the GstWlBuffer keeps the buffer
* alive and will free it on wl_buffer::release */
gst_buffer_unref (buf);
/* do not accept input */
region = wl_compositor_create_region (display->compositor);
wl_surface_set_input_region (window->area_surface, region);
wl_region_destroy (region);
region = wl_compositor_create_region (display->compositor);
wl_surface_set_input_region (window->video_surface, region);
wl_region_destroy (region);
return window;
}
