perf: optimize hot-path loops, data structures, and cache locality

1 files changed, 9 insertions, 0 deletions

diff --git a/src/wayland/internal.h b/src/wayland/internal.h
index 04142f7..d519abd 100644
--- a/src/wayland/internal.h
+++ b/src/wayland/internal.h
@@ -76,6 +76,7 @@ struct pending_press {
 
 struct press_queue {
     struct pending_press ev[8];
+    int head;
     int n;
 };
 
@@ -244,6 +245,13 @@ struct wayland_display {
     bool lost;
 };
 
+struct latency_feedback {
+    struct wayland_surface *window;
+    struct wp_presentation_feedback *proxy;
+    struct latency_feedback *next;
+    bool in_pool;
+};
+
 struct wayland_surface {
     struct yasl_surface base;
     /* 8-byte pointers & 64-bit values */
@@ -264,6 +272,7 @@ struct wayland_surface {
     struct seat *ime_seat;
     struct wp_tearing_control_v1 *tearing_control;
     struct latency_feedback *latency_feedbacks;
+    struct latency_feedback latency_pool[8];
     struct wp_fifo_v1 *fifo;
     struct wp_commit_timer_v1 *commit_timer;
     struct wl_callback *frame_cb;