diff --git a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
index e4e46a7..56e9d27 100644
--- a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
@@ -216,8 +216,18 @@
 
     // reduce uses a FloatRect to provide more accuracy during the
     // transformation. We then round upon constructing 'frame'.
-    Rect frame{
-            layerTransform.transform(reduce(layerState.geomLayerBounds, activeTransparentRegion))};
+    FloatRect geomLayerBounds = layerState.geomLayerBounds;
+
+    // Some HWCs may clip client composited input to its displayFrame. Make sure
+    // that this does not cut off the shadow.
+    if (layerState.forceClientComposition && layerState.shadowRadius > 0.0f) {
+        const auto outset = layerState.shadowRadius;
+        geomLayerBounds.left -= outset;
+        geomLayerBounds.top -= outset;
+        geomLayerBounds.right += outset;
+        geomLayerBounds.bottom += outset;
+    }
+    Rect frame{layerTransform.transform(reduce(geomLayerBounds, activeTransparentRegion))};
     if (!frame.intersect(outputState.layerStackSpace.content, &frame)) {
         frame.clear();
     }
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
index e9ecf3e..c8c6012 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
@@ -324,6 +324,27 @@
     EXPECT_THAT(calculateOutputDisplayFrame(), expected);
 }
 
+TEST_F(OutputLayerDisplayFrameTest, shadowExpandsDisplayFrame) {
+    const int kShadowRadius = 5;
+    mLayerFEState.shadowRadius = kShadowRadius;
+    mLayerFEState.forceClientComposition = true;
+
+    mLayerFEState.geomLayerBounds = FloatRect{100.f, 100.f, 200.f, 200.f};
+    Rect expected{mLayerFEState.geomLayerBounds};
+    expected.inset(-kShadowRadius, -kShadowRadius, -kShadowRadius, -kShadowRadius);
+    EXPECT_THAT(calculateOutputDisplayFrame(), expected);
+}
+
+TEST_F(OutputLayerDisplayFrameTest, shadowExpandsDisplayFrame_onlyIfForcingClientComposition) {
+    const int kShadowRadius = 5;
+    mLayerFEState.shadowRadius = kShadowRadius;
+    mLayerFEState.forceClientComposition = false;
+
+    mLayerFEState.geomLayerBounds = FloatRect{100.f, 100.f, 200.f, 200.f};
+    Rect expected{mLayerFEState.geomLayerBounds};
+    EXPECT_THAT(calculateOutputDisplayFrame(), expected);
+}
+
 /*
  * OutputLayer::calculateOutputRelativeBufferTransform()
  */