Limit damage to the 'update' region.
Signed-off-by: Keith Packard <[email protected]>
---
present/present.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/present/present.c b/present/present.c
index 251931a..ffbb0b3 100644
--- a/present/present.c
+++ b/present/present.c
@@ -520,6 +520,7 @@ present_execute(present_vblank_ptr vblank, uint64_t ust,
uint64_t crtc_msc)
/* Try to flip
*/
if (present_flip(vblank->crtc, vblank->event_id,
vblank->target_msc, vblank->pixmap, vblank->sync_flip)) {
+ RegionPtr damage;
/* Fix window pixmaps:
* 1) Restore previous flip window pixmap
@@ -530,6 +531,16 @@ present_execute(present_vblank_ptr vblank, uint64_t ust,
uint64_t crtc_msc)
(*screen->GetScreenPixmap)(screen));
(*screen->SetWindowPixmap)(vblank->window, vblank->pixmap);
(*screen->SetWindowPixmap)(screen->root, vblank->pixmap);
+
+ /* Report update region as damaged
+ */
+ if (vblank->update) {
+ damage = vblank->update;
+ RegionIntersect(damage, damage, &window->clipList);
+ } else
+ damage = &window->clipList;
+
+ DamageDamageRegion(&vblank->window->drawable, damage);
return;
}
--
1.8.4.4
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