Add support for background blurs
Bug: 141640413
Fixes: 146384234
Test: adb shell setprop debug.sf.disableBlurs 1
Test: adb shell setprop debug.sf.gaussianBlur 0
Test: adb shell setprop ro.surface_flinger.supports_background_blur 1
Test: ./SurfaceFlinger_test --gtest_filter=Layer*Tests/Layer*Test.SetBackgroundBlur*
Test: ./librenderengine_test --gtest_filter=*BlurBackground*"
Test: atest SurfaceFlinger_test:SurfaceInterceptorTest#InterceptBackgroundBlurRadiusUpdateWorks
Change-Id: I5194c910fe7062f33e70943867012539e6c6626a
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
index a64fdbf..3dbd25e 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
@@ -63,6 +63,9 @@
// The alpha value for this layer
float alpha{1.f};
+ // Background blur in pixels
+ int backgroundBlurRadius{0};
+
// The transform from layer local coordinates to composition coordinates
ui::Transform geomLayerTransform;
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
index 159e928..3a9776d 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/Output.h
@@ -116,6 +116,7 @@
private:
void dirtyEntireOutput();
+ compositionengine::OutputLayer* findLayerRequestingBackgroundComposition() const;
ui::Dataspace getBestDataspace(ui::Dataspace*, bool*) const;
compositionengine::Output::ColorProfile pickColorProfile(
const compositionengine::CompositionRefreshArgs&) const;
@@ -126,6 +127,7 @@
std::unique_ptr<compositionengine::RenderSurface> mRenderSurface;
ReleasedLayers mReleasedLayers;
+ OutputLayer* mLayerRequestingBackgroundBlur = nullptr;
};
// This template factory function standardizes the implementation details of the