deferred cursors: add a max_cursor_latency for output

YellowOnion · Aug 15, 2024 · 1d5107d · 1d5107d
1 parent 4ef42e5
commit 1d5107d
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h
@@ -156,6 +156,8 @@ struct wlr_output {
 	enum wlr_output_adaptive_sync_status adaptive_sync_status;
 	uint32_t render_format;
 
+	int max_cursor_latency;
+
 	bool needs_frame;
 	// damage for cursors and fullscreen surface, in output-local coordinates
 	bool frame_pending;

diff --git a/types/output/cursor.c b/types/output/cursor.c
@@ -509,7 +509,12 @@ static bool output_cursor_move(struct wlr_output_cursor *cursor,
 
 static bool output_cursor_move_should_defer(struct wlr_output_cursor *cursor,
 		struct timespec *now) {
-	if (!cursor->max_latency
+	int max_latency = cursor->max_latency;
+
+	if (!max_latency)
+		max_latency = cursor->output->max_cursor_latency;
+
+	if (!max_latency
 		|| !cursor->output->refresh // avoid divide by zero
 		|| cursor->output->adaptive_sync_status != WLR_OUTPUT_ADAPTIVE_SYNC_ENABLED)
 		return false;
@@ -518,7 +523,7 @@ static bool output_cursor_move_should_defer(struct wlr_output_cursor *cursor,
 	int32_t vrr_min = NSEC_PER_SEC / 30; // edid? enforce 30fps minimum for now.
 	timespec_sub(&delta, now, &cursor->last_presentation);
 	if (delta.tv_sec
-		|| delta.tv_nsec >= cursor->max_latency
+		|| delta.tv_nsec >= max_latency
         || delta.tv_nsec >= vrr_min)
 		return false;