HYL_OK3568_LINUX/buildroot/package/weston/0012-compositor-Support-freezing-display.patch
2025-05-10 21:49:39 +08:00

46 lines
1.2 KiB
Diff

From e0987e1c60cdf3361763b7e94f76f7175fe0584d Mon Sep 17 00:00:00 2001
From: Jeffy Chen <jeffy.chen@rock-chips.com>
Date: Mon, 3 Dec 2018 10:40:16 +0800
Subject: [PATCH 12/79] compositor: Support freezing display
Freeze display when the specified file(from env "WESTON_FREEZE_DISPLAY")
exists.
For example:
export WESTON_FREEZE_DISPLAY=/tmp/.freeze
touch $WESTON_FREEZE_DISPLAY
weston --tty=2 -Bdrm-backend.so&
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---
libweston/compositor.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libweston/compositor.c b/libweston/compositor.c
index f34c34cc..55751a7e 100644
--- a/libweston/compositor.c
+++ b/libweston/compositor.c
@@ -3433,6 +3433,11 @@ output_repaint_timer_handler(void *data)
struct timespec now;
int ret = 0;
+ if (!access(getenv("WESTON_FREEZE_DISPLAY") ? : "", F_OK)) {
+ usleep(DEFAULT_REPAINT_WINDOW * 1000);
+ goto out;
+ }
+
weston_compositor_read_presentation_clock(compositor, &now);
compositor->last_repaint_start = now;
@@ -3467,6 +3472,7 @@ output_repaint_timer_handler(void *data)
wl_list_for_each(output, &compositor->output_list, link)
output->repainted = false;
+out:
output_repaint_timer_arm(compositor);
return 0;
--
2.20.1