Details
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Bug
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Resolution: Done
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P2: Important
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6.4
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None
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2a23652bbb (qt/qtbase/dev) bf94566694 (qt/qtbase/6.4) bf94566694 (qt/tqtc-qtbase/6.4) 2a23652bbb (qt/tqtc-qtbase/dev)
Description
When a large window is dragged, the operation is sluggish.
I've profiled the compositor's frame() method and it is clear that the format conversion for the non-client area image is taking a lot of time (qopengltexture.cpp:3643, image.convertToFormat)
This is radically sped up if the image already has the requested format.