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wlr_damage_ring: Replace wlr_damage_ring_rotate_buffer with original list impl

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The seq based implementation is complex to reason about and doesn't even
work.
This commit is contained in:
Alexander Orzechowski 2023-12-10 16:31:23 -05:00 • committed by Kirill Primak
parent 4688a371e0
commit 8dff1bb9bd
2 changed files with 64 additions and 56 deletions
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9
include/wlr/types/wlr_damage_ring.h
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@ -17,8 +17,6 @@
/* For triple buffering, a history of two frames is required. */
#define WLR_DAMAGE_RING_PREVIOUS_LEN 2
/* Keep track of as many buffers as a swapchain can hold */
#define WLR_DAMAGE_RING_BUFFERS_LEN 4
struct wlr_box;
@ -26,7 +24,9 @@ struct wlr_damage_ring_buffer {
struct wlr_buffer *buffer;
struct wl_listener destroy;
pixman_region32_t damage;
uint64_t seq;
struct wlr_damage_ring *ring;
struct wl_list link; // wlr_damage_ring.buffers
};
struct wlr_damage_ring {
@ -40,8 +40,7 @@ struct wlr_damage_ring {
pixman_region32_t previous[WLR_DAMAGE_RING_PREVIOUS_LEN];
size_t previous_idx;
uint64_t last_buffer_seq;
struct wlr_damage_ring_buffer buffers[WLR_DAMAGE_RING_BUFFERS_LEN];
struct wl_list buffers; // wlr_damage_ring_buffer.link
};
void wlr_damage_ring_init(struct wlr_damage_ring *ring);