diff options
| -rw-r--r-- | services/surfaceflinger/SurfaceFlinger.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp index 598220f..b4c5dec 100644 --- a/services/surfaceflinger/SurfaceFlinger.cpp +++ b/services/surfaceflinger/SurfaceFlinger.cpp @@ -817,6 +817,20 @@ void SurfaceFlinger::handleWorkList() mHwWorkListDirty = false; HWComposer& hwc(graphicPlane(0).displayHardware().getHwComposer()); if (hwc.initCheck() == NO_ERROR) { + + const DisplayHardware& hw(graphicPlane(0).displayHardware()); + uint32_t flags = hw.getFlags(); + if ((flags & DisplayHardware::SWAP_RECTANGLE) || + (flags & DisplayHardware::BUFFER_PRESERVED)) + { + // we need to redraw everything (the whole screen) + // NOTE: we could be more subtle here and redraw only + // the area which will end-up in an overlay. But since this + // shouldn't happen often, we invalidate everything. + mDirtyRegion.set(hw.bounds()); + mInvalidRegion = mDirtyRegion; + } + const Vector< sp<LayerBase> >& currentLayers(mVisibleLayersSortedByZ); const size_t count = currentLayers.size(); hwc.createWorkList(count); |