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Bug 983273 - HwcComposer2D should honor HWC_HINT_CLEAR_FB for bottom layer. r=dwilson

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This commit is contained in:
Sushil Chauhan 2014-03-13 14:22:18 -07:00
parent 88c9288b81
commit 4b8aa434ef
1 changed files with 1 additions and 3 deletions
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4
widget/gonk/HwcComposer2D.cpp
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@ -545,11 +545,9 @@ HwcComposer2D::TryHwComposition()
// Overlay Composition, set layer composition flag
// on mapped LayerComposite to skip GPU composition
mHwcLayerMap[k]->SetLayerComposited(true);
if (k && (mList->hwLayers[k].hints & HWC_HINT_CLEAR_FB) &&
if ((mList->hwLayers[k].hints & HWC_HINT_CLEAR_FB) &&
(mList->hwLayers[k].blending == HWC_BLENDING_NONE)) {
// Clear visible rect on FB with transparent pixels.
// Never clear the 1st layer since we're guaranteed
// that FB is already cleared.
hwc_rect_t r = mList->hwLayers[k].displayFrame;
mHwcLayerMap[k]->SetClearRect(nsIntRect(r.left, r.top,
r.right - r.left,