init

include/damage.h

@@ -0,0 +1,74 @@
+#ifndef GSR_DAMAGE_H
+#define GSR_DAMAGE_H
+
+#include "cursor.h"
+#include "utils.h"
+#include <stdbool.h>
+#include <stdint.h>
+
+typedef struct _XDisplay Display;
+typedef union _XEvent XEvent;
+
+#define GSR_DAMAGE_MAX_MONITORS 32
+#define GSR_DAMAGE_MAX_TRACKED_TARGETS 12
+
+typedef struct {
+    int64_t window_id;
+    vec2i window_pos;
+    vec2i window_size;
+    uint64_t damage;
+    int refcount;
+} gsr_damage_window;
+
+typedef struct {
+    char *monitor_name;
+    gsr_monitor *monitor;
+    int refcount;
+} gsr_damage_monitor;
+
+typedef struct {
+    gsr_egl *egl;
+    Display *display;
+    bool track_cursor;
+
+    int damage_event;
+    int damage_error;
+    bool damaged;
+
+    uint64_t monitor_damage;
+
+    int randr_event;
+    int randr_error;
+
+    gsr_cursor *cursor;
+    gsr_monitor monitors[GSR_DAMAGE_MAX_MONITORS];
+    int num_monitors;
+
+    gsr_damage_window windows_tracked[GSR_DAMAGE_MAX_TRACKED_TARGETS];
+    int num_windows_tracked;
+
+    gsr_damage_monitor monitors_tracked[GSR_DAMAGE_MAX_TRACKED_TARGETS];
+    int num_monitors_tracked;
+
+    int all_monitors_tracked_refcount;
+    vec2i cursor_pos;
+} gsr_damage;
+
+bool gsr_damage_init(gsr_damage *self, gsr_egl *egl, gsr_cursor *cursor, bool track_cursor);
+void gsr_damage_deinit(gsr_damage *self);
+
+/* This is reference counted */
+bool gsr_damage_start_tracking_window(gsr_damage *self, int64_t window);
+void gsr_damage_stop_tracking_window(gsr_damage *self, int64_t window);
+
+/* This is reference counted. If |monitor_name| is NULL then all monitors are tracked */
+bool gsr_damage_start_tracking_monitor(gsr_damage *self, const char *monitor_name);
+void gsr_damage_stop_tracking_monitor(gsr_damage *self, const char *monitor_name);
+
+void gsr_damage_on_event(gsr_damage *self, XEvent *xev);
+void gsr_damage_tick(gsr_damage *self);
+/* Also returns true if damage tracking is not available */
+bool gsr_damage_is_damaged(gsr_damage *self);
+void gsr_damage_clear(gsr_damage *self);
+
+#endif /* GSR_DAMAGE_H */