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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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8
Servers/WindowServer/WSEvent.h
View file

@ -564,19 +564,19 @@ private:
class WSAPIInvalidateRectRequest final : public WSAPIClientRequest {
public:
explicit WSAPIInvalidateRectRequest(int client_id, int window_id, const Rect& rect)
explicit WSAPIInvalidateRectRequest(int client_id, int window_id, const Vector<Rect, 32>& rects)
: WSAPIClientRequest(WSEvent::APIInvalidateRectRequest, client_id)
, m_window_id(window_id)
, m_rect(rect)
, m_rects(rects)
{
}
int window_id() const { return m_window_id; }
Rect rect() const { return m_rect; }
const Vector<Rect, 32>& rects() const { return m_rects; }
private:
int m_window_id { 0 };
Rect m_rect;
Vector<Rect, 32> m_rects;
};
class WSAPIGetWindowBackingStoreRequest final : public WSAPIClientRequest {