Problem is that the Lockscreen height is defined like this:
Lockscreen {
y: panel.panelHeight
width: parent.width
height: parent.height - panel.panelHeight
}
and Lockscreen contains:
Image {
// Limit how much memory we'll reserve for this image
sourceSize.height: height
sourceSize.width: width
fillMode: Image.PreserveAspectCrop
}
panel.panelHeight is a property which is animated during unlock, if the
application is fullscreen. Animating sourceSize is a bad thing, as it
causes the CPU to rescaling the image each time.
** Changed in: unity8 (Ubuntu)
Status: Triaged => In Progress
** Changed in: unity8 (Ubuntu)
Assignee: (unassigned) => Gerry Boland (gerboland)
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https://bugs.launchpad.net/bugs/1396244
Title:
Unlocking the phone over fullscreen app is very slow
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