Andreas Kling 86eae0f8df Let userland retain the window backing store while drawing into it. ... To start painting, call: gui$get_window_backing_store() Then finish up with: gui$release_window_backing_store() Process will retain the underlying GraphicsBitmap behind the scenes. This fixes racing between the WindowServer and GUI clients. This patch also adds a WSWindowLocker that is exactly what it sounds like.		2019-01-24 23:44:19 +01:00
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etc	Let userland retain the window backing store while drawing into it.	2019-01-24 23:44:19 +01:00