CE: Introduce Output::GetDisplayId()
Allow anyone with an Output interface pointer to get the displayId (if
any) associated with the output.
As the return value is optional, an output that does not have a
displayId can return std::nullopt
Test: atest libsurfaceflinger_unittest libcompositionengine_test
Test: go/wm-smoke
Bug: 121291683
Change-Id: Ie34da86aa4b55d11a291156e85dae678d7df5ee2
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index c3e5cfd..2007ea3 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -75,6 +75,10 @@
mRenderSurface->isValid();
}
+std::optional<DisplayId> Output::getDisplayId() const {
+ return {};
+}
+
const std::string& Output::getName() const {
return mName;
}