SF: Clean framebuffer cache on hotplug
This CL cleans the framebuffer cache when a hotplug event
for already connected display is processed. This way when we
destruct the DisplayDevice the framebuffers will be completely
deallocated, so they can later be reallocated.
Test: 1. unplug HDMI
2. adb shell dumpsys SurfaceFlinger | grep FramebufferSurface
verify only 3 framebuffers are allocated
3. plug HDMI
5. adb shell dumpsys SurfaceFlinger | grep FramebufferSurface
verify only 3 framebuffers are allocated
Test: Using dev SurfaceFlinger backdoor (1036) which injects hotplug:
adb shell service call SurfaceFlinger 1036 && \
adb shell dumpsys SurfaceFlinger | grep FramebufferSurface
Bug: 160112047
Bug: 167670568
Change-Id: I96282bec439ebf413dcd5d57f6b884eccef19c5f
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.h b/libs/renderengine/threaded/RenderEngineThreaded.h
index 96a49b3..b02cdd9 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.h
+++ b/libs/renderengine/threaded/RenderEngineThreaded.h
@@ -65,6 +65,8 @@
const sp<GraphicBuffer>& buffer, const bool useFramebufferCache,
base::unique_fd&& bufferFence, base::unique_fd* drawFence) override;
+ void cleanFramebufferCache() override;
+
private:
void threadMain(CreateInstanceFactory factory);