Fall back to cairo image backend and shm surface if we don't have cairo gl
diff --git a/clients/window.h b/clients/window.h
index 343d536..b5e3c37 100644
--- a/clients/window.h
+++ b/clients/window.h
@@ -138,6 +138,10 @@
void
window_move(struct window *window, int32_t x, int32_t y);
+void
+window_damage(struct window *window, int32_t x, int32_t y,
+ int32_t width, int32_t height);
+
cairo_surface_t *
window_get_surface(struct window *window);
@@ -149,6 +153,14 @@
void
window_flush(struct window *window);
+enum window_buffer_type {
+ WINDOW_BUFFER_TYPE_DRM,
+ WINDOW_BUFFER_TYPE_SHM,
+};
+
+void
+window_set_buffer_type(struct window *window, enum window_buffer_type type);
+
void
window_set_fullscreen(struct window *window, int fullscreen);