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Merge "libgui: Fix surface damage on rotated buffers"

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Dan Stoza 2015-05-28 20:57:47 +00:00 committed by Gerrit Code Review
commit 35283482d0
1 changed files with 6 additions and 2 deletions
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8
libs/gui/Surface.cpp
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@ -335,10 +335,14 @@ int Surface::queueBuffer(android_native_buffer_t* buffer, int fenceFd) {
// the origin being in the bottom-left corner. Here we flip to the
// convention that the rest of the system uses (top-left corner) by
// subtracting all top/bottom coordinates from the buffer height.
int height = buffer->height;
if ((mTransform ^ mStickyTransform) & NATIVE_WINDOW_TRANSFORM_ROT_90) {
height = buffer->width;
}
Region flippedRegion;
for (auto rect : mDirtyRegion) {
auto top = buffer->height - rect.bottom;
auto bottom = buffer->height - rect.top;
auto top = height - rect.bottom;
auto bottom = height - rect.top;
Rect flippedRect{rect.left, top, rect.right, bottom};
flippedRegion.orSelf(flippedRect);
}