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wlr_damage_ring: Rework to use list instead of fixed length ring

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When we add buffer support this model of keeping a fixed size list
simply won't be compatible.
This commit is contained in:
Alexander Orzechowski 2023-07-12 23:08:34 -04:00 • committed by Leo Li
parent a6d3eee63a
commit 600d995e94
2 changed files with 49 additions and 32 deletions
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9
include/wlr/types/wlr_damage_ring.h
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@ -13,14 +13,14 @@
#include <stddef.h>
#include <stdint.h>
#include <pixman.h>
/* For triple buffering, a history of two frames is required. */
#define WLR_DAMAGE_RING_PREVIOUS_LEN 2
#include <wayland-server-core.h>
struct wlr_box;
struct wlr_damage_ring_entry {
pixman_region32_t damage;
struct wl_list link; // struct wlr_damage_ring.previous
};
struct wlr_damage_ring {
@ -31,8 +31,7 @@ struct wlr_damage_ring {
// private state
struct wlr_damage_ring_entry previous[WLR_DAMAGE_RING_PREVIOUS_LEN];
size_t previous_idx;
struct wl_list previous; // struct wlr_damage_ring_entry.link
};
void wlr_damage_ring_init(struct wlr_damage_ring *ring);