Flesh out wlr_surface state lifecycle a bit

Sprinked some TODOs around for future work

1 files changed, 25 insertions, 6 deletions

diff --git a/include/wlr/types/wlr_surface.h b/include/wlr/types/wlr_surface.h
index 2bfd5d36..b80b1de4 100644
--- a/include/wlr/types/wlr_surface.h
+++ b/include/wlr/types/wlr_surface.h
@@ -1,21 +1,40 @@
 #ifndef _WLR_TYPES_WLR_SURFACE_H
 #define _WLR_TYPES_WLR_SURFACE_H
-
 #include <wayland-server.h>
+#include <pixman.h>
+#include <stdint.h>
 
 struct wlr_frame_callback {
 	struct wl_resource *resource;
 	struct wl_list link;
 };
 
-struct wlr_surface {
-	struct wl_resource *pending_buffer;
-	bool pending_attached;
-	bool attached; // whether the surface currently has a buffer attached
+#define WLR_SURFACE_INVALID_BUFFER 1
+#define WLR_SURFACE_INVALID_SURFACE_DAMAGE 2
+#define WLR_SURFACE_INVALID_BUFFER_DAMAGE 4
+#define WLR_SURFACE_INVALID_OPAQUE_REGION 8
+#define WLR_SURFACE_INVALID_INPUT_REGION 16
+#define WLR_SURFACE_INVALID_TRANSFORM 16
+#define WLR_SURFACE_INVALID_SCALE 16
+
+struct wlr_surface_state {
+	uint32_t invalid;
+	struct wl_resource *buffer;
+	int32_t sx, sy;
+	pixman_region32_t surface_damage, buffer_damage;
+	pixman_region32_t opaque, input;
+	uint32_t transform;
+	int32_t scale;
+};
 
+struct wlr_surface {
+	struct wl_resource *resource;
 	struct wlr_texture *texture;
+	struct wlr_surface_state current, pending;
 	const char *role; // the lifetime-bound role or null
-	struct wl_resource *resource;
+
+	float buffer_to_surface_matrix[16];
+	float surface_to_buffer_matrix[16];
 
 	struct {
 		struct wl_signal destroy;