static gboolean
gst_gl_window_wayland_egl_open (GstGLWindow * window, GError ** error)
{
GstGLDisplayWayland *display;
GstGLWindowWaylandEGL *window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
if (!GST_IS_GL_DISPLAY_WAYLAND (window->display)) {
g_set_error (error, GST_GL_WINDOW_ERROR,
GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
"Failed to retrieve Wayland display (wrong type?)");
return FALSE;
}
display = GST_GL_DISPLAY_WAYLAND (window->display);
if (!display->display) {
g_set_error (error, GST_GL_WINDOW_ERROR,
GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
"Failed to retrieve Wayland display");
return FALSE;
}
window_egl->window.queue = wl_display_create_queue (display->display);
window_egl->wl_source = wayland_event_source_new (display->display,
window_egl->window.queue);
if (!GST_GL_WINDOW_CLASS (parent_class)->open (window, error))
return FALSE;
g_source_attach (window_egl->wl_source, g_main_context_get_thread_default ());
return TRUE;
}
void
meta_wayland_init (void)
{
MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
GSource *wayland_event_source;
if (!wl_global_create (compositor->wayland_display,
&wl_compositor_interface,
META_WL_COMPOSITOR_VERSION,
compositor, compositor_bind))
g_error ("Failed to register the global wl_compositor");
wayland_event_source = wayland_event_source_new (compositor->wayland_display);
/* XXX: Here we are setting the wayland event source to have a
* slightly lower priority than the X event source, because we are
* much more likely to get confused being told about surface changes
* relating to X clients when we don't know what's happened to them
* according to the X protocol.
*
* At some point we could perhaps try and get the X protocol proxied
* over the wayland protocol so that we don't have to worry about
* synchronizing the two command streams. */
g_source_set_priority (wayland_event_source, GDK_PRIORITY_EVENTS + 1);
g_source_attach (wayland_event_source, NULL);
wl_display_init_shm (compositor->wayland_display);
meta_wayland_outputs_init (compositor);
meta_wayland_data_device_manager_init (compositor);
meta_wayland_shell_init (compositor);
meta_wayland_seat_init (compositor);
/* FIXME: find the first free name instead */
compositor->display_name = wl_display_add_socket_auto (compositor->wayland_display);
if (compositor->display_name == NULL)
g_error ("Failed to create socket");
/* XXX: It's important that we only try and start xwayland after we
* have initialized EGL because EGL implements the "wl_drm"
* interface which xwayland requires to determine what drm device
* name it should use.
*
* By waiting until we've shown the stage above we ensure that the
* underlying GL resources for the surface have also been allocated
* and so EGL must be initialized by this point.
*/
if (!meta_xwayland_start (&compositor->xwayland_manager, compositor->wayland_display))
g_error ("Failed to start X Wayland");
set_gnome_env ("DISPLAY", meta_wayland_get_xwayland_display_name (compositor));
set_gnome_env ("WAYLAND_DISPLAY", meta_wayland_get_wayland_display_name (compositor));
}
static gboolean
gst_gl_window_wayland_egl_open (GstGLWindow * window, GError ** error)
{
GstGLWindowWaylandEGL *window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
window_egl->display.display = wl_display_connect (NULL);
if (!window_egl->display.display) {
g_set_error (error, GST_GL_WINDOW_ERROR,
GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
"Failed to connect to Wayland display server");
goto error;
}
window_egl->display.registry =
wl_display_get_registry (window_egl->display.display);
wl_registry_add_listener (window_egl->display.registry, ®istry_listener,
window_egl);
wl_display_dispatch (window_egl->display.display);
create_surface (window_egl);
window_egl->display.cursor_surface =
wl_compositor_create_surface (window_egl->display.compositor);
window_egl->wl_source =
wayland_event_source_new (window_egl->display.display);
window_egl->main_context = g_main_context_new ();
window_egl->loop = g_main_loop_new (window_egl->main_context, FALSE);
g_source_attach (window_egl->wl_source, window_egl->main_context);
return TRUE;
error:
return FALSE;
}
int
main (int argc, char **argv)
{
CoglandCompositor compositor;
GMainLoop *loop;
CoglError *error = NULL;
GError *gerror = NULL;
CoglVertexP2C4 triangle_vertices[] = {
{0, 0.7, 0xff, 0x00, 0x00, 0xff},
{-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
{0.7, -0.7, 0x00, 0x00, 0xff, 0xff}
};
GSource *cogl_source;
if (!process_arguments (&argc, &argv, &gerror))
{
fprintf (stderr, "%s\n", gerror->message);
return EXIT_FAILURE;
}
memset (&compositor, 0, sizeof (compositor));
compositor.wayland_display = wl_display_create ();
if (compositor.wayland_display == NULL)
g_error ("failed to create wayland display");
wl_list_init (&compositor.frame_callbacks);
if (!wl_display_add_global (compositor.wayland_display,
&wl_compositor_interface,
&compositor,
compositor_bind))
g_error ("Failed to register wayland compositor object");
wl_display_init_shm (compositor.wayland_display);
loop = g_main_loop_new (NULL, FALSE);
compositor.wayland_loop =
wl_display_get_event_loop (compositor.wayland_display);
compositor.wayland_event_source =
wayland_event_source_new (compositor.wayland_display);
g_source_attach (compositor.wayland_event_source, NULL);
/* We want Cogl to use an EGL renderer because otherwise it won't
* set up the wl_drm object and only SHM buffers will work. */
compositor.cogl_context =
create_cogl_context (&compositor,
TRUE /* use EGL constraint */,
&error);
if (compositor.cogl_context == NULL)
{
/* If we couldn't get an EGL context then try any type of
* context */
cogl_error_free (error);
error = NULL;
compositor.cogl_context =
create_cogl_context (&compositor,
FALSE, /* don't set EGL constraint */
&error);
if (compositor.cogl_context)
g_warning ("Failed to create context with EGL constraint, "
"falling back");
else
g_error ("Failed to create a Cogl context: %s\n", error->message);
}
compositor.virtual_width = 800;
compositor.virtual_height = 600;
if (option_multiple_outputs)
{
int hw = compositor.virtual_width / 2;
int hh = compositor.virtual_height / 2;
/* Emulate compositing with multiple monitors... */
cogland_compositor_create_output (&compositor, 0, 0, hw, hh);
cogland_compositor_create_output (&compositor, hw, 0, hw, hh);
cogland_compositor_create_output (&compositor, 0, hh, hw, hh);
cogland_compositor_create_output (&compositor, hw, hh, hw, hh);
}
else
{
cogland_compositor_create_output (&compositor,
0, 0,
compositor.virtual_width,
compositor.virtual_height);
}
if (wl_display_add_global (compositor.wayland_display, &wl_shell_interface,
&compositor, bind_shell) == NULL)
g_error ("Failed to register a global shell object");
if (wl_display_add_socket (compositor.wayland_display, "wayland-0"))
g_error ("Failed to create socket");
compositor.triangle = cogl_primitive_new_p2c4 (compositor.cogl_context,
COGL_VERTICES_MODE_TRIANGLES,
3, triangle_vertices);
compositor.triangle_pipeline = cogl_pipeline_new (compositor.cogl_context);
cogl_source = cogl_glib_source_new (compositor.cogl_context,
G_PRIORITY_DEFAULT);
g_source_attach (cogl_source, NULL);
g_main_loop_run (loop);
return 0;
}
int
main (int argc, char **argv)
{
CoglandCompositor compositor;
GMainLoop *loop;
CoglError *error = NULL;
CoglVertexP2C4 triangle_vertices[] = {
{0, 0.7, 0xff, 0x00, 0x00, 0x80},
{-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
{0.7, -0.7, 0x00, 0x00, 0xff, 0xff}
};
GSource *cogl_source;
memset (&compositor, 0, sizeof (compositor));
compositor.wayland_display = wl_display_create ();
if (compositor.wayland_display == NULL)
g_error ("failed to create wayland display");
g_queue_init (&compositor.frame_callbacks);
if (!wl_display_add_global (compositor.wayland_display,
&wl_compositor_interface,
&compositor,
compositor_bind))
g_error ("Failed to register wayland compositor object");
compositor.wayland_shm = wl_shm_init (compositor.wayland_display,
&shm_callbacks);
if (!compositor.wayland_shm)
g_error ("Failed to allocate setup wayland shm callbacks");
loop = g_main_loop_new (NULL, FALSE);
compositor.wayland_loop =
wl_display_get_event_loop (compositor.wayland_display);
compositor.wayland_event_source =
wayland_event_source_new (compositor.wayland_loop);
g_source_attach (compositor.wayland_event_source, NULL);
compositor.cogl_display = cogl_display_new (NULL, NULL);
cogl_wayland_display_set_compositor_display (compositor.cogl_display,
compositor.wayland_display);
compositor.cogl_context = cogl_context_new (compositor.cogl_display, &error);
if (!compositor.cogl_context)
g_error ("Failed to create a Cogl context: %s\n", error->message);
compositor.virtual_width = 640;
compositor.virtual_height = 480;
/* Emulate compositing with multiple monitors... */
cogland_compositor_create_output (&compositor, 0, 0, 320, 240);
cogland_compositor_create_output (&compositor, 320, 0, 320, 240);
cogland_compositor_create_output (&compositor, 0, 240, 320, 240);
cogland_compositor_create_output (&compositor, 320, 240, 320, 240);
if (wl_display_add_global (compositor.wayland_display, &wl_shell_interface,
&compositor, bind_shell) == NULL)
g_error ("Failed to register a global shell object");
if (wl_display_add_socket (compositor.wayland_display, "wayland-0"))
g_error ("Failed to create socket");
compositor.triangle = cogl_primitive_new_p2c4 (compositor.cogl_context,
COGL_VERTICES_MODE_TRIANGLES,
3, triangle_vertices);
compositor.triangle_pipeline = cogl_pipeline_new (compositor.cogl_context);
g_timeout_add (16, paint_cb, &compositor);
cogl_source = cogl_glib_source_new (compositor.cogl_context,
G_PRIORITY_DEFAULT);
g_source_attach (cogl_source, NULL);
g_main_loop_run (loop);
return 0;
}
