we need to clear the whole framebuffer in that situation because
we can't trust the content of the FB when partial (fb preserving)
updates are used.
Bug: 5318492
Change-Id: I3f0e01b0fb665a34e44d88ad9f0f54a5d990060b
this happened when the overlays were in use, since the animation
is rendered in the FB and the FB is not used.
we now have a way to turn hwc off temporarily.
Change-Id: I3385f0c25bb9cc91948e7b26e7cd31ed18c36ace
This is useful in various situations, for instance if the HAL
wants to change its compositing strategy.
Bug: 4488017
Change-Id: I5afc14e5917c6db7926d7417d48677d5aba50caa
- we now clear the framebuffer upon request from the HAL
- the HAL list size could get out of sync with reality
- there was also an issue where sometime we could run past the list
Change-Id: Ic3a34314aed24181f2d8cc787096af83c046ef27
