Implement buffer.damage in shm, use it in window.c

clients/smoke.c

@@ -199,6 +199,8 @@ frame_callback(struct wl_surface *surface, void *data, uint32_t time)
 
 	render(smoke);
 
+	display_surface_damage(smoke->display, smoke->surface,
+			       0, 0, smoke->width, smoke->height);
 	window_damage(smoke->window, 0, 0, smoke->width, smoke->height);
 	wl_display_frame_callback(display_get_display(smoke->display),
 				  window_get_wl_surface(smoke->window),

clients/window.c

@@ -734,8 +734,21 @@ window_attach_surface(struct window *window)
 void
 window_flush(struct window *window)
 {
-       if (window->cairo_surface)
-	       window_attach_surface(window);
+	if (window->cairo_surface) {
+		switch (window->buffer_type) {
+		case WINDOW_BUFFER_TYPE_EGL_IMAGE:
+		case WINDOW_BUFFER_TYPE_SHM:
+			display_surface_damage(window->display,
+					       window->cairo_surface,
+					       0, 0,
+					       window->allocation.width,
+					       window->allocation.height);
+			break;
+		default:
+			break;
+		}
+		window_attach_surface(window);
+	}
 }
 
 void
@@ -1420,6 +1433,17 @@ window_get_title(struct window *window)
 	return window->title;
 }
 
+void
+display_surface_damage(struct display *display, cairo_surface_t *cairo_surface,
+		       int32_t x, int32_t y, int32_t width, int32_t height)
+{
+	struct wl_buffer *buffer;
+
+	buffer = display_get_buffer_for_surface(display, cairo_surface);
+
+	wl_buffer_damage(buffer, x, y, width, height);
+}
+
 void
 window_damage(struct window *window, int32_t x, int32_t y,
 	      int32_t width, int32_t height)

clients/window.h

@@ -193,6 +193,10 @@ enum window_buffer_type {
 	WINDOW_BUFFER_TYPE_SHM,
 };
 
+void
+display_surface_damage(struct display *display, cairo_surface_t *cairo_surface,
+		       int32_t x, int32_t y, int32_t width, int32_t height);
+
 void
 window_set_buffer_type(struct window *window, enum window_buffer_type type);
 

compositor/compositor.c

@@ -853,8 +853,6 @@ surface_damage(struct wl_client *client,
 {
 	struct wlsc_surface *es = (struct wlsc_surface *) surface;
 
-	es->buffer->damage(es->buffer, surface, x, y, width, height);
-
 	wlsc_surface_damage_rectangle(es, x, y, width, height);
 }
 

compositor/shm.c

@@ -36,21 +36,53 @@ destroy_buffer(struct wl_resource *resource, struct wl_client *client)
 {
 	struct wlsc_shm_buffer *buffer =
 		container_of(resource, struct wlsc_shm_buffer, buffer.resource);
+	struct wlsc_compositor *compositor = 
+		(struct wlsc_compositor *) buffer->buffer.compositor;
+	struct wlsc_surface *es;
 
 	if (buffer->mapped)
 		munmap(buffer->data, buffer->stride * buffer->buffer.height);
 	else
 		free(buffer->data);
+
+	wl_list_for_each(es, &compositor->surface_list, link)
+		if (es->buffer == (struct wl_buffer *) buffer)
+			es->buffer = NULL;
+
 	free(buffer);
 }
 
+static void
+buffer_damage(struct wl_client *client, struct wl_buffer *buffer_base,
+	      int32_t x, int32_t y, int32_t width, int32_t height)
+{
+	struct wlsc_shm_buffer *buffer =
+		(struct wlsc_shm_buffer *) buffer_base;
+	struct wlsc_compositor *compositor = 
+		(struct wlsc_compositor *) buffer->buffer.compositor;
+	struct wlsc_surface *es;
+
+	wl_list_for_each(es, &compositor->surface_list, link) {
+		if (es->buffer != buffer_base)
+			continue;
+
+		glBindTexture(GL_TEXTURE_2D, es->texture);
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
+			     buffer->buffer.width, buffer->buffer.height, 0,
+			     GL_BGRA_EXT, GL_UNSIGNED_BYTE, buffer->data);
+		/* Hmm, should use glTexSubImage2D() here but GLES2 doesn't
+		 * support any unpack attributes except GL_UNPACK_ALIGNMENT. */
+	}
+}
+
 static void
 buffer_destroy(struct wl_client *client, struct wl_buffer *buffer)
 {
-	// wl_resource_destroy(&buffer->base, client);
+	wl_resource_destroy(&buffer->resource, client);
 }
 
 const static struct wl_buffer_interface buffer_interface = {
+	buffer_damage,
 	buffer_destroy
 };
 
@@ -73,24 +105,6 @@ shm_buffer_attach(struct wl_buffer *buffer_base, struct wl_surface *surface)
 	es->visual = buffer->buffer.visual;
 }
 
-static void
-shm_buffer_damage(struct wl_buffer *buffer_base,
-		  struct wl_surface *surface,
-		  int32_t x, int32_t y, int32_t width, int32_t height)
-{
-	struct wlsc_surface *es = (struct wlsc_surface *) surface;
-	struct wlsc_shm_buffer *buffer =
-		(struct wlsc_shm_buffer *) buffer_base;
-
-	glBindTexture(GL_TEXTURE_2D, es->texture);
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
-		     buffer->buffer.width, buffer->buffer.height, 0,
-		     GL_BGRA_EXT, GL_UNSIGNED_BYTE, buffer->data);
-
-	/* Hmm, should use glTexSubImage2D() here but GLES2 doesn't
-	 * support any unpack attributes except GL_UNPACK_ALIGNMENT. */
-}
-
 static struct wlsc_shm_buffer *
 wlsc_shm_buffer_init(struct wlsc_compositor *compositor,
 		     int32_t width, int32_t height,
@@ -108,7 +122,6 @@ wlsc_shm_buffer_init(struct wlsc_compositor *compositor,
 	buffer->buffer.height = height;
 	buffer->buffer.visual = visual;
 	buffer->buffer.attach = shm_buffer_attach;
-	buffer->buffer.damage = shm_buffer_damage;
 	buffer->stride = stride;
 	buffer->data = data;