Fix rotation displays frame N-1 briefly while rotating
The ScreenShot layer is now created hidden. The screenshot itself
is aquired during the transaction when the layer is made visible.
This guarantees the screenshot and the layer happen atomically
with respect to screen updates.
Bug: 5534521
Change-Id: Ida23e1f13d5716ec83b78a15712e0646d6cf8729
diff --git a/services/surfaceflinger/LayerScreenshot.h b/services/surfaceflinger/LayerScreenshot.h
index e3a2b19..ab90047 100644
--- a/services/surfaceflinger/LayerScreenshot.h
+++ b/services/surfaceflinger/LayerScreenshot.h
@@ -41,12 +41,18 @@
status_t capture();
+ virtual void initStates(uint32_t w, uint32_t h, uint32_t flags);
+ virtual uint32_t doTransaction(uint32_t flags);
virtual void onDraw(const Region& clip) const;
virtual bool isOpaque() const { return false; }
virtual bool isSecure() const { return false; }
virtual bool isProtectedByApp() const { return false; }
virtual bool isProtectedByDRM() const { return false; }
virtual const char* getTypeId() const { return "LayerScreenshot"; }
+
+private:
+ status_t captureLocked();
+ void initTexture(GLfloat u, GLfloat v);
};
// ---------------------------------------------------------------------------