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Merge "don't clear the framebuffer when the framebuffer is not used" into ics-factoryrom

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This commit is contained in:
Mathias Agopian 2011-09-26 16:19:04 -07:00 committed by Android (Google) Code Review
commit 4924e61d03
1 changed files with 6 additions and 5 deletions
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11
services/surfaceflinger/SurfaceFlinger.cpp
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@ -986,19 +986,20 @@ void SurfaceFlinger::setupHardwareComposer(Region& dirtyInOut)
void SurfaceFlinger::composeSurfaces(const Region& dirty)
{
if (UNLIKELY(!mWormholeRegion.isEmpty())) {
const DisplayHardware& hw(graphicPlane(0).displayHardware());
HWComposer& hwc(hw.getHwComposer());
const size_t fbLayerCount = hwc.getLayerCount(HWC_FRAMEBUFFER);
if (UNLIKELY(fbLayerCount && !mWormholeRegion.isEmpty())) {
// should never happen unless the window manager has a bug
// draw something...
drawWormhole();
}
const DisplayHardware& hw(graphicPlane(0).displayHardware());
HWComposer& hwc(hw.getHwComposer());
hwc_layer_t* const cur(hwc.getLayers());
/*
* and then, render the layers targeted at the framebuffer
*/
hwc_layer_t* const cur(hwc.getLayers());
const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ);
size_t count = layers.size();
for (size_t i=0 ; i<count ; i++) {