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Rework the rendering model so that clients instantiate backing stores.

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This makes interactive resizing work a lot better, althought it's still not
perfect. There are still glitches and unpleasant flashes of zeroed memory.
This commit is contained in:
Andreas Kling 2019-02-20 21:59:13 +01:00
parent e0b81ee4c9
commit fa02d2a39b
17 changed files with 185 additions and 46 deletions
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33
WindowServer/WSMessage.h
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@ -43,6 +43,7 @@ public:
APIGetWindowBackingStoreRequest,
APISetGlobalCursorTrackingRequest,
APISetWindowOpacityRequest,
APISetWindowBackingStoreRequest,
__End_API_Client_Requests,
};
@ -277,6 +278,38 @@ private:
float m_opacity { 0 };
};
class WSAPISetWindowBackingStoreRequest final : public WSAPIClientRequest {
public:
explicit WSAPISetWindowBackingStoreRequest(int client_id, int window_id, int shared_buffer_id, const Size& size, size_t bpp, size_t pitch, bool has_alpha_channel)
: WSAPIClientRequest(WSMessage::APISetWindowBackingStoreRequest, client_id)
, m_client_id(client_id)
, m_window_id(window_id)
, m_shared_buffer_id(shared_buffer_id)
, m_size(size)
, m_bpp(bpp)
, m_pitch(pitch)
, m_has_alpha_channel(has_alpha_channel)
{
}
int client_id() const { return m_client_id; }
int window_id() const { return m_window_id; }
int shared_buffer_id() const { return m_shared_buffer_id; }
Size size() const { return m_size; }
size_t bpp() const { return m_bpp; }
size_t pitch() const { return m_pitch; }
bool has_alpha_channel() const { return m_has_alpha_channel; }
private:
int m_client_id { 0 };
int m_window_id { 0 };
int m_shared_buffer_id { 0 };
Size m_size;
size_t m_bpp;
size_t m_pitch;
bool m_has_alpha_channel;
};
class WSAPISetWindowRectRequest final : public WSAPIClientRequest {
public:
explicit WSAPISetWindowRectRequest(int client_id, int window_id, const Rect& rect)