1 files changed, 94 insertions, 0 deletions
diff --git a/src/sna/sna_damage.h b/src/sna/sna_damage.h
new file mode 100644
index 00000000..0b335711
--- /dev/null
+++ b/src/sna/sna_damage.h
@@ -0,0 +1,94 @@
+#ifndef SNA_DAMAGE_H
+#define SNA_DAMAGE_H
+
+#include <regionstr.h>
+#include <list.h>
+
+#define fastcall __attribute__((regparm(3)))
+
+struct sna_damage_elt;
+struct sna_damage_box;
+
+struct sna_damage {
+	BoxRec extents;
+	int n, size, mode;
+	pixman_region16_t region;
+	struct sna_damage_elt *elts;
+	struct sna_damage_box *last_box;
+	struct list boxes;
+};
+
+fastcall struct sna_damage *_sna_damage_add(struct sna_damage *damage,
+					    RegionPtr region);
+static inline void sna_damage_add(struct sna_damage **damage,
+				  RegionPtr region)
+{
+	*damage = _sna_damage_add(*damage, region);
+}
+
+fastcall struct sna_damage *_sna_damage_add_box(struct sna_damage *damage,
+						const BoxRec *box);
+static inline void sna_damage_add_box(struct sna_damage **damage,
+				      const BoxRec *box)
+{
+	*damage = _sna_damage_add_box(*damage, box);
+}
+
+struct sna_damage *_sna_damage_all(struct sna_damage *damage,
+				   int width, int height);
+static inline void sna_damage_all(struct sna_damage **damage,
+				  int width, int height)
+{
+	*damage = _sna_damage_all(*damage, width, height);
+}
+
+fastcall struct sna_damage *_sna_damage_subtract(struct sna_damage *damage,
+						 RegionPtr region);
+static inline void sna_damage_subtract(struct sna_damage **damage,
+				       RegionPtr region)
+{
+	*damage = _sna_damage_subtract(*damage, region);
+}
+
+fastcall struct sna_damage *_sna_damage_subtract_box(struct sna_damage *damage,
+						     const BoxRec *box);
+static inline void sna_damage_subtract_box(struct sna_damage **damage,
+					   BoxPtr box)
+{
+	*damage = _sna_damage_subtract_box(*damage, box);
+}
+
+Bool sna_damage_intersect(struct sna_damage *damage,
+			  RegionPtr region, RegionPtr result);
+
+int sna_damage_contains_box(struct sna_damage *damage,
+			    const BoxPtr box);
+
+int sna_damage_get_boxes(struct sna_damage *damage, BoxPtr *boxes);
+
+struct sna_damage *_sna_damage_reduce(struct sna_damage *damage);
+static inline void sna_damage_reduce(struct sna_damage **damage)
+{
+	if (*damage == NULL)
+		return;
+
+	*damage = _sna_damage_reduce(*damage);
+}
+
+void __sna_damage_destroy(struct sna_damage *damage);
+static inline void sna_damage_destroy(struct sna_damage **damage)
+{
+	if (*damage == NULL)
+		return;
+
+	__sna_damage_destroy(*damage);
+	*damage = NULL;
+}
+
+#if DEBUG_DAMAGE && TEST_DAMAGE
+void sna_damage_selftest(void);
+#else
+static inline void sna_damage_selftest(void) {}
+#endif
+
+#endif /* SNA_DAMAGE_H */