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3 commits

Author SHA1 Message Date
Andreas Kling
7efd61fcf5 WindowSerer+LibGUI: Send multiple rects in invalidation/flush messages. 
This patch moves to sending up to 32 rects at a time when coordinating the
painting between WindowServer and its clients. Rects are also merged into
a minimal DisjointRectSet on the server side before painting.

Interactive resize looks a lot better after this change, since we can
usually do all the repainting needed in one go.
 2019-04-20 17:23:35 +02:00
Andreas Kling
5eedb22834 Sprinkle use of AK::Vector in various places. 
Some of these are less helpful than others. Avoiding a bunch of mallocs
in the event loop wakeup code is definitely nice.
 2019-04-20 14:02:19 +02:00
Andreas Kling
98784ad3cb WindowServer: Avoid overdraw by shattering dirty rects into unique shards. 
The algorithm I came up with is O(n^2) but given the small numbers of rects
we're typically working with, it doesn't really matter. May need to revisit
this in the future if we find ourselves with a huge number of rects.
 2019-02-19 14:49:23 +01:00