mirror of
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tests: Adds a simple wayland compositor example
This adds an extremely minimal wayland compositor to tests/interactive to test the ClutterWaylandSurface actor. Currently this minimal compositor doesn't support any input, it simply paints client surfaces fixed at the top-left of the stage. Reviewed-by: Emmanuele Bassi <ebassi@linux.intel.com>
This commit is contained in:
Robert Bragg
parent
16ed7677e0
commit
e5bde0b074
@ -64,6 +64,10 @@ if X11_TESTS
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UNIT_TESTS += test-pixmap.c
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endif
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if SUPPORT_WAYLAND_COMPOSITOR
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UNIT_TESTS += test-wayland-surface.c
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endif
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if OS_WIN32
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SHEXT =
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else
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567
tests/interactive/test-wayland-surface.c
Normal file
567
tests/interactive/test-wayland-surface.c
Normal file
@ -0,0 +1,567 @@
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#define COGL_ENABLE_EXPERIMENTAL_2_0_API
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#include <clutter/clutter.h>
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#include <clutter/wayland/clutter-wayland-compositor.h>
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#include <clutter/wayland/clutter-wayland-surface.h>
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#include <glib.h>
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#include <sys/time.h>
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#include <string.h>
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#include <wayland-server.h>
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typedef struct _TWSCompositor TWSCompositor;
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typedef struct
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{
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struct wl_buffer *wayland_buffer;
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GList *surfaces_attached_to;
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} TWSBuffer;
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typedef struct
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{
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TWSCompositor *compositor;
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struct wl_surface wayland_surface;
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int x;
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int y;
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TWSBuffer *buffer;
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ClutterActor *actor;
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} TWSSurface;
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typedef struct
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{
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guint32 flags;
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int width;
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int height;
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int refresh;
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} TWSMode;
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typedef struct
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{
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struct wl_object wayland_output;
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int x;
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int y;
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int width_mm;
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int height_mm;
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/* XXX: with sliced stages we'd reference a CoglFramebuffer here. */
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GList *modes;
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} TWSOutput;
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typedef struct
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{
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GSource source;
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GPollFD pfd;
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struct wl_event_loop *loop;
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} WaylandEventSource;
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typedef struct
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{
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struct wl_resource resource;
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} TWSFrameCallback;
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struct _TWSCompositor
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{
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struct wl_display *wayland_display;
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struct wl_shm *wayland_shm;
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struct wl_event_loop *wayland_loop;
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ClutterActor *stage;
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GList *outputs;
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GSource *wayland_event_source;
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GList *surfaces;
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GArray *frame_callbacks;
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};
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static guint32
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get_time (void)
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{
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struct timeval tv;
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gettimeofday (&tv, NULL);
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return tv.tv_sec * 1000 + tv.tv_usec / 1000;
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}
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static gboolean
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wayland_event_source_prepare (GSource *base, int *timeout)
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{
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*timeout = -1;
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return FALSE;
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}
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static gboolean
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wayland_event_source_check (GSource *base)
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{
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WaylandEventSource *source = (WaylandEventSource *)base;
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return source->pfd.revents;
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}
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static gboolean
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wayland_event_source_dispatch (GSource *base,
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GSourceFunc callback,
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void *data)
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{
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WaylandEventSource *source = (WaylandEventSource *)base;
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wl_event_loop_dispatch (source->loop, 0);
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return TRUE;
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}
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static GSourceFuncs wayland_event_source_funcs =
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{
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wayland_event_source_prepare,
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wayland_event_source_check,
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wayland_event_source_dispatch,
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NULL
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};
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GSource *
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wayland_event_source_new (struct wl_event_loop *loop)
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{
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WaylandEventSource *source;
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source = (WaylandEventSource *) g_source_new (&wayland_event_source_funcs,
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sizeof (WaylandEventSource));
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source->loop = loop;
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source->pfd.fd = wl_event_loop_get_fd (loop);
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source->pfd.events = G_IO_IN | G_IO_ERR;
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g_source_add_poll (&source->source, &source->pfd);
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return &source->source;
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}
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static TWSBuffer *
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tws_buffer_new (struct wl_buffer *wayland_buffer)
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{
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TWSBuffer *buffer = g_slice_new (TWSBuffer);
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buffer->wayland_buffer = wayland_buffer;
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buffer->surfaces_attached_to = NULL;
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return buffer;
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}
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static void
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tws_buffer_free (TWSBuffer *buffer)
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{
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GList *l;
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buffer->wayland_buffer->user_data = NULL;
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for (l = buffer->surfaces_attached_to; l; l = l->next)
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{
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TWSSurface *surface = l->data;
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surface->buffer = NULL;
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}
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g_list_free (buffer->surfaces_attached_to);
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g_slice_free (TWSBuffer, buffer);
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}
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static void
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shm_buffer_created (struct wl_buffer *wayland_buffer)
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{
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wayland_buffer->user_data = tws_buffer_new (wayland_buffer);
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}
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static void
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shm_buffer_damaged (struct wl_buffer *wayland_buffer,
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gint32 x,
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gint32 y,
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gint32 width,
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gint32 height)
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{
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TWSBuffer *buffer = wayland_buffer->user_data;
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GList *l;
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for (l = buffer->surfaces_attached_to; l; l = l->next)
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{
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TWSSurface *surface = l->data;
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ClutterWaylandSurface *surface_actor =
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CLUTTER_WAYLAND_SURFACE (surface->actor);
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clutter_wayland_surface_damage_buffer (surface_actor,
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wayland_buffer,
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x, y, width, height);
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}
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}
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static void
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shm_buffer_destroyed (struct wl_buffer *wayland_buffer)
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{
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if (wayland_buffer->user_data)
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tws_buffer_free ((TWSBuffer *)wayland_buffer->user_data);
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}
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const static struct wl_shm_callbacks shm_callbacks = {
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shm_buffer_created,
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shm_buffer_damaged,
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shm_buffer_destroyed
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};
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static void
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tws_surface_destroy (struct wl_client *wayland_client,
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struct wl_resource *wayland_resource)
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{
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wl_resource_destroy (wayland_resource, get_time ());
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}
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static void
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tws_surface_detach_buffer (TWSSurface *surface)
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{
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TWSBuffer *buffer = surface->buffer;
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if (buffer)
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{
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buffer->surfaces_attached_to =
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g_list_remove (buffer->surfaces_attached_to, surface);
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if (buffer->surfaces_attached_to == NULL)
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tws_buffer_free (buffer);
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surface->buffer = NULL;
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}
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}
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static void
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tws_surface_attach_buffer (struct wl_client *wayland_client,
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struct wl_resource *wayland_surface_resource,
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struct wl_resource *wayland_buffer_resource,
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gint32 dx, gint32 dy)
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{
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struct wl_buffer *wayland_buffer = wayland_buffer_resource->data;
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TWSBuffer *buffer = wayland_buffer->user_data;
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TWSSurface *surface = wayland_surface_resource->data;
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TWSCompositor *compositor = surface->compositor;
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ClutterWaylandSurface *surface_actor;
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/* XXX: in the case where we are reattaching the same buffer we can
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* simply bail out. Note this is important because if we don't bail
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* out then the _detach_buffer will actually end up destroying the
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* buffer we're trying to attach. */
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if (buffer && surface->buffer == buffer)
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return;
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tws_surface_detach_buffer (surface);
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/* XXX: we will have been notified of shm buffers already via the
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* callbacks, but this will be the first we know of drm buffers */
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if (!buffer)
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{
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buffer = tws_buffer_new (wayland_buffer);
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wayland_buffer->user_data = buffer;
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}
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g_return_if_fail (g_list_find (buffer->surfaces_attached_to, surface) == NULL);
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buffer->surfaces_attached_to = g_list_prepend (buffer->surfaces_attached_to,
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surface);
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if (!surface->actor)
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{
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surface->actor = clutter_wayland_surface_new (&surface->wayland_surface);
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clutter_container_add_actor (CLUTTER_CONTAINER (compositor->stage),
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surface->actor);
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}
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surface_actor = CLUTTER_WAYLAND_SURFACE (surface->actor);
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if (!clutter_wayland_surface_attach_buffer (surface_actor, wayland_buffer,
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NULL))
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g_warning ("Failed to attach buffer to ClutterWaylandSurface");
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surface->buffer = buffer;
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}
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static void
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tws_surface_damage (struct wl_client *client,
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struct wl_resource *resource,
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gint32 x,
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gint32 y,
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gint32 width,
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gint32 height)
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{
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}
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static void
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destroy_frame_callback (struct wl_resource *callback_resource)
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{
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TWSFrameCallback *callback = callback_resource->data;
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g_slice_free (TWSFrameCallback, callback);
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}
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static void
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tws_surface_frame (struct wl_client *client,
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struct wl_resource *surface_resource,
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guint32 callback_id)
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{
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TWSFrameCallback *callback;
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TWSSurface *surface = surface_resource->data;
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callback = g_slice_new0 (TWSFrameCallback);
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callback->resource.object.interface = &wl_callback_interface;
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callback->resource.object.id = callback_id;
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callback->resource.destroy = destroy_frame_callback;
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callback->resource.data = callback;
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wl_client_add_resource (client, &callback->resource);
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g_array_append_val (surface->compositor->frame_callbacks, callback);
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}
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const struct wl_surface_interface tws_surface_interface = {
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tws_surface_destroy,
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tws_surface_attach_buffer,
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tws_surface_damage,
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tws_surface_frame
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};
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static void
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tws_surface_free (TWSSurface *surface)
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{
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TWSCompositor *compositor = surface->compositor;
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compositor->surfaces = g_list_remove (compositor->surfaces, surface);
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tws_surface_detach_buffer (surface);
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clutter_actor_destroy (surface->actor);
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g_slice_free (TWSSurface, surface);
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}
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static void
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tws_surface_resource_destroy_cb (struct wl_resource *wayland_surface_resource)
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{
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TWSSurface *surface = wayland_surface_resource->data;
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tws_surface_free (surface);
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}
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static void
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tws_compositor_create_surface (struct wl_client *wayland_client,
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struct wl_resource *wayland_compositor_resource,
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guint32 id)
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{
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TWSCompositor *compositor = wayland_compositor_resource->data;
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TWSSurface *surface = g_slice_new0 (TWSSurface);
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surface->compositor = compositor;
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surface->wayland_surface.resource.destroy =
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tws_surface_resource_destroy_cb;
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surface->wayland_surface.resource.object.id = id;
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surface->wayland_surface.resource.object.interface = &wl_surface_interface;
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surface->wayland_surface.resource.object.implementation =
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(void (**)(void)) &tws_surface_interface;
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surface->wayland_surface.resource.data = surface;
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wl_client_add_resource (wayland_client, &surface->wayland_surface.resource);
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compositor->surfaces = g_list_prepend (compositor->surfaces, surface);
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}
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static void
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bind_output (struct wl_client *client,
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void *data,
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guint32 version,
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guint32 id)
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{
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TWSOutput *output = data;
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struct wl_resource *resource =
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wl_client_add_object (client, &wl_output_interface, NULL, id, data);
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GList *l;
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wl_resource_post_event (resource,
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WL_OUTPUT_GEOMETRY,
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output->x, output->y,
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output->width_mm,
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output->height_mm,
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0, /* subpixel: unknown */
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"unknown", /* make */
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"unknown"); /* model */
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for (l = output->modes; l; l = l->next)
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{
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TWSMode *mode = l->data;
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wl_resource_post_event (resource,
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WL_OUTPUT_MODE,
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mode->flags,
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mode->width,
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mode->height,
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mode->refresh);
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}
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}
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static void
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tws_compositor_create_output (TWSCompositor *compositor,
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int x,
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int y,
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int width_mm,
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int height_mm)
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{
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TWSOutput *output = g_slice_new0 (TWSOutput);
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output->wayland_output.interface = &wl_output_interface;
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output->x = x;
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output->y = y;
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output->width_mm = width_mm;
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output->height_mm = height_mm;
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wl_display_add_global (compositor->wayland_display,
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&wl_output_interface,
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output,
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bind_output);
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/* XXX: eventually we will support sliced stages and an output should
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* correspond to a slice/CoglFramebuffer, but for now we only support
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* one output so we make sure it always matches the size of the stage
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*/
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clutter_actor_set_size (compositor->stage, width_mm, height_mm);
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compositor->outputs = g_list_prepend (compositor->outputs, output);
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}
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const static struct wl_compositor_interface tws_compositor_interface = {
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tws_compositor_create_surface,
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};
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static void
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paint_finished_cb (ClutterActor *self, void *user_data)
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{
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TWSCompositor *compositor = user_data;
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int i;
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for (i = 0; i < compositor->frame_callbacks->len; i++)
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{
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TWSFrameCallback *callback =
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g_array_index (compositor->frame_callbacks, TWSFrameCallback *, i);
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wl_resource_post_event (&callback->resource,
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WL_CALLBACK_DONE, get_time ());
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wl_resource_destroy (&callback->resource, 0);
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}
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g_array_set_size (compositor->frame_callbacks, 0);
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}
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static void
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compositor_bind (struct wl_client *client,
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void *data,
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guint32 version,
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guint32 id)
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{
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TWSCompositor *compositor = data;
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wl_client_add_object (client, &wl_compositor_interface,
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&tws_compositor_interface, id, compositor);
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}
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static void
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shell_move(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *surface_resource,
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struct wl_resource *input_resource,
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guint32 time)
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{
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}
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static void
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shell_resize (struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *surface_resource,
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struct wl_resource *input_resource,
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guint32 time,
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guint32 edges)
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{
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}
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static void
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shell_set_toplevel (struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *surface_resource)
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{
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}
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static void
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shell_set_transient (struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *surface_resource,
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struct wl_resource *parent_resource,
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int x, int y, uint32_t flags)
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{
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}
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static void
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shell_set_fullscreen (struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *surface_resource)
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{
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}
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static const struct wl_shell_interface tws_shell_interface =
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{
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shell_move,
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shell_resize,
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shell_set_toplevel,
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shell_set_transient,
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shell_set_fullscreen
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};
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static void
|
||||
bind_shell (struct wl_client *client,
|
||||
void *data,
|
||||
guint32 version,
|
||||
guint32 id)
|
||||
{
|
||||
wl_client_add_object (client, &wl_shell_interface,
|
||||
&tws_shell_interface, id, data);
|
||||
}
|
||||
|
||||
G_MODULE_EXPORT int
|
||||
test_wayland_surface_main (int argc, char **argv)
|
||||
{
|
||||
TWSCompositor compositor;
|
||||
GMainLoop *loop;
|
||||
|
||||
memset (&compositor, 0, sizeof (compositor));
|
||||
|
||||
compositor.wayland_display = wl_display_create ();
|
||||
if (compositor.wayland_display == NULL)
|
||||
g_error ("failed to create wayland display");
|
||||
|
||||
compositor.frame_callbacks = g_array_new (FALSE, FALSE, sizeof (void *));
|
||||
|
||||
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);
|
||||
|
||||
clutter_wayland_set_compositor_display (compositor.wayland_display);
|
||||
|
||||
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
|
||||
return 1;
|
||||
|
||||
compositor.stage = clutter_stage_get_default ();
|
||||
clutter_stage_set_user_resizable (CLUTTER_STAGE (compositor.stage), FALSE);
|
||||
g_signal_connect_after (compositor.stage, "paint",
|
||||
G_CALLBACK (paint_finished_cb), &compositor);
|
||||
|
||||
tws_compositor_create_output (&compositor, 0, 0, 800, 600);
|
||||
|
||||
if (wl_display_add_global (compositor.wayland_display, &wl_shell_interface,
|
||||
&compositor, bind_shell) == NULL)
|
||||
g_error ("Failed to register a global shell object");
|
||||
|
||||
clutter_actor_show (compositor.stage);
|
||||
|
||||
if (wl_display_add_socket (compositor.wayland_display, "wayland-0"))
|
||||
g_error ("Failed to create socket");
|
||||
|
||||
g_main_loop_run (loop);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user