clients: Use new shm interface

clients/screenshot.c

@@ -89,6 +89,7 @@ static struct wl_buffer *
 create_shm_buffer(int width, int height, void **data_out)
 {
 	char filename[] = "/tmp/wayland-shm-XXXXXX";
+	struct wl_shm_pool *pool;
 	struct wl_buffer *buffer;
 	int fd, size, stride;
 	void *data;
@@ -115,10 +116,11 @@ create_shm_buffer(int width, int height, void **data_out)
 		return NULL;
 	}
 
-	buffer = wl_shm_create_buffer(shm, fd, width, height, stride,
-				      WL_SHM_FORMAT_XRGB8888);
-
+	pool = wl_shm_create_pool(shm, fd, size);
 	close(fd);
+	buffer = wl_shm_pool_create_buffer(pool, 0, width, height, stride,
+					   WL_SHM_FORMAT_XRGB8888);
+	wl_shm_pool_destroy(pool);
 
 	*data_out = data;
 

clients/simple-shm.c

@@ -57,6 +57,7 @@ create_shm_buffer(struct display *display,
 		  int width, int height, uint32_t format, void **data_out)
 {
 	char filename[] = "/tmp/wayland-shm-XXXXXX";
+	struct wl_shm_pool *pool;
 	struct wl_buffer *buffer;
 	int fd, size, stride;
 	void *data;
@@ -83,9 +84,10 @@ create_shm_buffer(struct display *display,
 		return NULL;
 	}
 
-	buffer = wl_shm_create_buffer(display->shm, fd,
-				      width, height, stride, format);
-
+	pool = wl_shm_create_pool(display->shm, fd, size);
+	buffer = wl_shm_pool_create_buffer(pool, 0,
+					   width, height, stride, format);
+	wl_shm_pool_destroy(pool);
 	close(fd);
 
 	*data_out = data;

clients/simple-touch.c

@@ -50,6 +50,7 @@ struct touch {
 static void
 create_shm_buffer(struct touch *touch)
 {
+	struct wl_shm_pool *pool;
 	char filename[] = "/tmp/wayland-shm-XXXXXX";
 	int fd, size, stride;
 
@@ -76,10 +77,12 @@ create_shm_buffer(struct touch *touch)
 		exit(1);
 	}
 
+	pool = wl_shm_create_pool(touch->shm, fd, size);
 	touch->buffer =
-		wl_shm_create_buffer(touch->shm, fd,
-				     touch->width, touch->height, stride,
-				     WL_SHM_FORMAT_ARGB8888);
+		wl_shm_pool_create_buffer(pool, 0,
+					  touch->width, touch->height, stride,
+					  WL_SHM_FORMAT_ARGB8888);
+	wl_shm_pool_destroy(pool);
 
 	close(fd);
 }

clients/window.c

@@ -461,44 +461,59 @@ shm_surface_data_destroy(void *p)
 	munmap(data->map, data->length);
 }
 
-static cairo_surface_t *
-display_create_shm_surface(struct display *display,
-			   struct rectangle *rectangle, uint32_t flags)
+static struct wl_shm_pool *
+make_shm_pool(struct display *display, int size, void **data)
 {
-	struct shm_surface_data *data;
-	uint32_t format;
-	cairo_surface_t *surface;
-	int stride, fd;
 	char filename[] = "/tmp/wayland-shm-XXXXXX";
+	struct wl_shm_pool *pool;
+	int fd;
 
-	data = malloc(sizeof *data);
-	if (data == NULL)
-		return NULL;
-
-	stride = cairo_format_stride_for_width (CAIRO_FORMAT_ARGB32,
-						rectangle->width);
-	data->length = stride * rectangle->height;
 	fd = mkstemp(filename);
 	if (fd < 0) {
 		fprintf(stderr, "open %s failed: %m\n", filename);
 		return NULL;
 	}
-	if (ftruncate(fd, data->length) < 0) {
+	if (ftruncate(fd, size) < 0) {
 		fprintf(stderr, "ftruncate failed: %m\n");
 		close(fd);
 		return NULL;
 	}
 
-	data->map = mmap(NULL, data->length,
-			 PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+	*data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
 	unlink(filename);
 
-	if (data->map == MAP_FAILED) {
+	if (*data == MAP_FAILED) {
 		fprintf(stderr, "mmap failed: %m\n");
 		close(fd);
 		return NULL;
 	}
 
+	pool = wl_shm_create_pool(display->shm, fd, size);
+
+	close(fd);
+
+	return pool;
+}
+
+static cairo_surface_t *
+display_create_shm_surface(struct display *display,
+			   struct rectangle *rectangle, uint32_t flags)
+{
+	struct shm_surface_data *data;
+	struct wl_shm_pool *pool;
+	uint32_t format;
+	cairo_surface_t *surface;
+	int stride;
+
+	data = malloc(sizeof *data);
+	if (data == NULL)
+		return NULL;
+
+	stride = cairo_format_stride_for_width (CAIRO_FORMAT_ARGB32,
+						rectangle->width);
+	data->length = stride * rectangle->height;
+	pool = make_shm_pool(display, data->length, &data->map);
+
 	surface = cairo_image_surface_create_for_data (data->map,
 						       CAIRO_FORMAT_ARGB32,
 						       rectangle->width,
@@ -513,13 +528,12 @@ display_create_shm_surface(struct display *display,
 	else
 		format = WL_SHM_FORMAT_ARGB8888;
 
-	data->data.buffer = wl_shm_create_buffer(display->shm,
-						 fd,
-						 rectangle->width,
-						 rectangle->height,
-						 stride, format);
+	data->data.buffer = wl_shm_pool_create_buffer(pool, 0,
+						      rectangle->width,
+						      rectangle->height,
+						      stride, format);
 
-	close(fd);
+	wl_shm_pool_destroy(pool);
 
 	return surface;
 }