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WindowSerer+LibGUI: Send multiple rects in invalidation/flush messages.

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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.
This commit is contained in:
Andreas Kling 2019-04-20 17:19:56 +02:00
parent ec365b82d5
commit 7efd61fcf5
10 changed files with 74 additions and 29 deletions
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3
LibGUI/GEventLoop.cpp
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@ -84,7 +84,8 @@ void GEventLoop::handle_paint_event(const WSAPI_ServerMessage& event, GWindow& w
#ifdef GEVENTLOOP_DEBUG
dbgprintf("WID=%x Paint [%d,%d %dx%d]\n", event.window_id, event.paint.rect.location.x, event.paint.rect.location.y, event.paint.rect.size.width, event.paint.rect.size.height);
#endif
post_event(window, make<GPaintEvent>(event.paint.rect, event.paint.window_size));
for (int i = 0; i < event.rect_count; ++i)
post_event(window, make<GPaintEvent>(event.rects[i], event.paint.window_size));
}
void GEventLoop::handle_resize_event(const WSAPI_ServerMessage& event, GWindow& window)