1 files changed, 15 insertions, 1 deletions
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index d085752b2a..251e63836d 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -28,6 +28,7 @@
 #include <compositionengine/LayerFE.h>
 #include <compositionengine/LayerFECompositionState.h>
 #include <compositionengine/RenderSurface.h>
+#include <compositionengine/UdfpsExtension.h>
 #include <compositionengine/impl/HwcAsyncWorker.h>
 #include <compositionengine/impl/Output.h>
 #include <compositionengine/impl/OutputCompositionState.h>
@@ -943,7 +944,10 @@ void Output::writeCompositionState(const compositionengine::CompositionRefreshAr
 
 compositionengine::OutputLayer* Output::findLayerRequestingBackgroundComposition() const {
     compositionengine::OutputLayer* layerRequestingBgComposition = nullptr;
-    for (auto* layer : getOutputLayersOrderedByZ()) {
+    for (size_t i = 0; i < getOutputLayerCount(); i++) {
+        compositionengine::OutputLayer* layer = getOutputLayerOrderedByZByIndex(i);
+        compositionengine::OutputLayer* nextLayer = getOutputLayerOrderedByZByIndex(i + 1);
+
         auto* compState = layer->getLayerFE().getCompositionState();
 
         // If any layer has a sideband stream, we will disable blurs. In that case, we don't
@@ -957,6 +961,16 @@ compositionengine::OutputLayer* Output::findLayerRequestingBackgroundComposition
         if (compState->backgroundBlurRadius > 0 || compState->blurRegions.size() > 0) {
             layerRequestingBgComposition = layer;
         }
+
+        // If the next layer is the Udfps touched layer, enable client composition for it
+        // because that somehow leads to the Udfps touched layer getting device composition
+        // consistently.
+        if ((nextLayer != nullptr && layerRequestingBgComposition == nullptr) &&
+            (strncmp(nextLayer->getLayerFE().getDebugName(), UDFPS_TOUCHED_LAYER_NAME,
+                     strlen(UDFPS_TOUCHED_LAYER_NAME)) == 0)) {
+            layerRequestingBgComposition = layer;
+            break;
+        }
     }
     return layerRequestingBgComposition;
 }