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Merge "Fix a bug where non-cropped layer could be scaled incorrectly" into klp-dev

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Mathias Agopian 2013-08-21 18:55:19 +00:00 committed by Android (Google) Code Review
commit a525483dc7
1 changed files with 7 additions and 1 deletions
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8
services/surfaceflinger/Layer.cpp
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@ -287,7 +287,13 @@ FloatRect Layer::computeCrop(const sp<const DisplayDevice>& hw) const {
// pixels in the buffer.
// FIXME: the 3 lines below can produce slightly incorrect clipping when we have
// a viewport clipping and a window transform. we should use floating point to fix this.
Rect activeCrop(s.transform.transform(s.active.crop));
Rect activeCrop(s.active.w, s.active.h);
if (!s.active.crop.isEmpty()) {
activeCrop = s.active.crop;
}
activeCrop = s.transform.transform(activeCrop);
activeCrop.intersect(hw->getViewport(), &activeCrop);
activeCrop = s.transform.inverse().transform(activeCrop);