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;
}
GstWlWindow *
gst_wl_window_new_in_surface (GstWlDisplay * display,
struct wl_surface * parent)
{
GstWlWindow *window;
window = gst_wl_window_new_internal (display,
wl_compositor_create_surface (display->compositor));
window->subsurface = wl_subcompositor_get_subsurface (display->subcompositor,
window->surface, parent);
wl_subsurface_set_desync (window->subsurface);
return window;
}
GstWlWindow *
gst_wl_window_new_in_surface (GstWlDisplay * display,
struct wl_surface * parent, GMutex * render_lock)
{
GstWlWindow *window;
window = gst_wl_window_new_internal (display, render_lock);
/* embed in parent */
window->area_subsurface =
wl_subcompositor_get_subsurface (display->subcompositor,
window->area_surface, parent);
wl_subsurface_set_desync (window->area_subsurface);
return window;
}
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
create_surfaces (GstGLWindowWaylandEGL * window_egl)
{
GstGLDisplayWayland *display =
GST_GL_DISPLAY_WAYLAND (GST_GL_WINDOW (window_egl)->display);
gint width, height;
if (!window_egl->window.surface) {
window_egl->window.surface =
wl_compositor_create_surface (display->compositor);
if (window_egl->window.queue)
wl_proxy_set_queue ((struct wl_proxy *) window_egl->window.surface,
window_egl->window.queue);
}
if (window_egl->window.foreign_surface) {
/* (re)parent */
if (!display->subcompositor) {
GST_ERROR_OBJECT (window_egl,
"Wayland server does not support subsurfaces");
window_egl->window.foreign_surface = NULL;
goto shell_window;
}
if (!window_egl->window.subsurface) {
window_egl->window.subsurface =
wl_subcompositor_get_subsurface (display->subcompositor,
window_egl->window.surface, window_egl->window.foreign_surface);
if (window_egl->window.queue)
wl_proxy_set_queue ((struct wl_proxy *) window_egl->window.subsurface,
window_egl->window.queue);
wl_subsurface_set_position (window_egl->window.subsurface,
window_egl->window.window_x, window_egl->window.window_y);
wl_subsurface_set_desync (window_egl->window.subsurface);
}
} else {
shell_window:
if (!window_egl->window.shell_surface) {
window_egl->window.shell_surface =
wl_shell_get_shell_surface (display->shell,
window_egl->window.surface);
if (window_egl->window.queue)
wl_proxy_set_queue ((struct wl_proxy *) window_egl->window.
shell_surface, window_egl->window.queue);
wl_shell_surface_add_listener (window_egl->window.shell_surface,
&shell_surface_listener, window_egl);
wl_shell_surface_set_title (window_egl->window.shell_surface,
"OpenGL Renderer");
wl_shell_surface_set_toplevel (window_egl->window.shell_surface);
}
}
if (window_egl->window.window_width > 0)
width = window_egl->window.window_width;
else
width = 320;
window_egl->window.window_width = width;
if (window_egl->window.window_height > 0)
height = window_egl->window.window_height;
else
height = 240;
window_egl->window.window_height = height;
if (!window_egl->window.native) {
gst_gl_window_resize (GST_GL_WINDOW (window_egl), width, height);
window_egl->window.native =
wl_egl_window_create (window_egl->window.surface, width, height);
if (window_egl->window.queue)
wl_proxy_set_queue ((struct wl_proxy *) window_egl->window.native,
window_egl->window.queue);
}
}
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;
}
