spread delegates are using clipping
Bug #1513047 reported by
Gerry Boland
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| unity8 (Ubuntu) |
Fix Released
|
Undecided
|
Michael Zanetti | ||
Bug Description
It appears that app windows are turning on clipping when the spread is opened. This is really inefficient graphically because it is a transformed rectangle and so Qt falls back to stencil-based clipping. We should avoid clipping in this case at all cost
| Changed in unity8 (Ubuntu): | |
| assignee: | nobody → Michael Zanetti (mzanetti) |
Revision history for this message
| Michael Zanetti (mzanetti) wrote | #1 |
| Changed in unity8 (Ubuntu): | |
| status: | New → Fix Released |
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Well, the clipping is required by design. That said, I agree using QML clipping there is not good enough and needs to be improved. Back then when the spread was implemented, MirSurfaceItem didn't support cropping yet, so this way of clipping had to be used.
The solution for this bug is to move to MirSurfaceItem's surface cropping mechanism and drop the QML based clipping.