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LibGUI+WindowServer: Coalesce paints and resizes on the client side.

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Only process paint and resize events on the GUI client side if those events
have the latest up-to-date window size. This drastically reduces async
overdraw during interactive resize.
This commit is contained in:
Andreas Kling 2019-04-10 15:39:28 +02:00
parent 0ac55f2c38
commit 55811f233f
5 changed files with 50 additions and 13 deletions
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4
Servers/WindowServer/WSWindow.h
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@ -106,9 +106,6 @@ public:
bool has_alpha_channel() const { return m_has_alpha_channel; }
void set_has_alpha_channel(bool value) { m_has_alpha_channel = value; }
void set_last_lazy_resize_rect(const Rect& rect) { m_last_lazy_resize_rect = rect; }
Rect last_lazy_resize_rect() const { return m_last_lazy_resize_rect; }
bool has_painted_since_last_resize() const { return m_has_painted_since_last_resize; }
void set_has_painted_since_last_resize(bool b) { m_has_painted_since_last_resize = b; }
@ -150,7 +147,6 @@ private:
RetainPtr<GraphicsBitmap> m_last_backing_store;
int m_window_id { -1 };
float m_opacity { 1 };
Rect m_last_lazy_resize_rect;
Size m_size_increment;
Size m_base_size;
Retained<GraphicsBitmap> m_icon;