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authorKenny Levinsen <kl@kl.wtf>2024-07-15 00:12:39 +0200
committerAlexander Orzechowski <alex@ozal.ski>2024-07-14 18:24:13 -0400
commit3f327b3db0c1fc6985c0ed3231e1bd6296584dad (patch)
treed922ebfad30c6877ef16b7b518b2c6d56881ccfa
parenta3a9ec1211fcf857aa2e047f9a1c1388d17194c3 (diff)
desktop/output: Stop repaint loop when not needed
1e0031781fc9 refactored repaint to accumulate all changes in a single wlr_output_state and commit them at the end of the repaint loop, replacing a call to wlr_scene_output_commit. wlr_scene_output_commit contains an early bail-out when no frame has been requested and no damage has accumulated, which was not replicated as part of this refactor, causing the repaint loop to never pause. Replicate the logic to stop the repaint loop as needed. Fixes: 1e0031781fc9 ("desktop/output: unify page-flip codepath")
-rw-r--r--sway/desktop/output.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index f936b2a8..27ede68e 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -247,6 +247,13 @@ static int output_repaint_timer_handler(void *data) {
.color_transform = output->color_transform,
};
+ struct wlr_output *wlr_output = output->wlr_output;
+ struct wlr_scene_output *scene_output = output->scene_output;
+ if (!wlr_output->needs_frame && !output->gamma_lut_changed &&
+ !pixman_region32_not_empty(&scene_output->pending_commit_damage)) {
+ return 0;
+ }
+
struct wlr_output_state pending;
wlr_output_state_init(&pending);
if (!wlr_scene_output_build_state(output->scene_output, &pending, &opts)) {