diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
index 35ca3a5..11759b8 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/LayerFECompositionState.h
@@ -26,6 +26,7 @@
 #include <ui/LayerStack.h>
 #include <ui/Rect.h>
 #include <ui/Region.h>
+#include <ui/ShadowSettings.h>
 #include <ui/Transform.h>
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
@@ -132,8 +133,7 @@
     // The bounds of the layer in layer local coordinates
     FloatRect geomLayerBounds;
 
-    // length of the shadow in screen space
-    float shadowRadius{0.f};
+    ShadowSettings shadowSettings;
 
     // List of regions that require blur
     std::vector<BlurRegion> blurRegions;
diff --git a/services/surfaceflinger/CompositionEngine/src/LayerFECompositionState.cpp b/services/surfaceflinger/CompositionEngine/src/LayerFECompositionState.cpp
index 426cc57..2d10866 100644
--- a/services/surfaceflinger/CompositionEngine/src/LayerFECompositionState.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/LayerFECompositionState.cpp
@@ -68,7 +68,7 @@
     dumpVal(out, "geomLayerBounds", geomLayerBounds);
 
     out.append("      ");
-    dumpVal(out, "shadowRadius", shadowRadius);
+    dumpVal(out, "shadowLength", shadowSettings.length);
 
     out.append("\n      ");
     dumpVal(out, "blend", toString(blendMode), blendMode);
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index 775e6d5..fa3733b 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -588,10 +588,10 @@
     const Rect visibleRect(tr.transform(layerFEState->geomLayerBounds));
     visibleRegion.set(visibleRect);
 
-    if (layerFEState->shadowRadius > 0.0f) {
+    if (layerFEState->shadowSettings.length > 0.0f) {
         // if the layer casts a shadow, offset the layers visible region and
         // calculate the shadow region.
-        const auto inset = static_cast<int32_t>(ceilf(layerFEState->shadowRadius) * -1.0f);
+        const auto inset = static_cast<int32_t>(ceilf(layerFEState->shadowSettings.length) * -1.0f);
         Rect visibleRectWithShadows(visibleRect);
         visibleRectWithShadows.inset(inset, inset, inset, inset);
         visibleRegion.set(visibleRectWithShadows);
diff --git a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
index fe56969..7fe3369 100644
--- a/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/OutputLayer.cpp
@@ -222,8 +222,8 @@
 
     // 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;
+    if (layerState.forceClientComposition && layerState.shadowSettings.length > 0.0f) {
+        const auto outset = layerState.shadowSettings.length;
         geomLayerBounds.left -= outset;
         geomLayerBounds.top -= outset;
         geomLayerBounds.right += outset;
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
index 630906a..1c54469 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputLayerTest.cpp
@@ -334,7 +334,7 @@
 
 TEST_F(OutputLayerDisplayFrameTest, shadowExpandsDisplayFrame) {
     const int kShadowRadius = 5;
-    mLayerFEState.shadowRadius = kShadowRadius;
+    mLayerFEState.shadowSettings.length = kShadowRadius;
     mLayerFEState.forceClientComposition = true;
 
     mLayerFEState.geomLayerBounds = FloatRect{100.f, 100.f, 200.f, 200.f};
@@ -345,7 +345,7 @@
 
 TEST_F(OutputLayerDisplayFrameTest, shadowExpandsDisplayFrame_onlyIfForcingClientComposition) {
     const int kShadowRadius = 5;
-    mLayerFEState.shadowRadius = kShadowRadius;
+    mLayerFEState.shadowSettings.length = kShadowRadius;
     mLayerFEState.forceClientComposition = false;
 
     mLayerFEState.geomLayerBounds = FloatRect{100.f, 100.f, 200.f, 200.f};
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
index ee6998a..cdcb68d 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
@@ -1830,7 +1830,7 @@
     ui::Transform translate;
     translate.set(50, 50);
     mLayer.layerFEState.geomLayerTransform = translate;
-    mLayer.layerFEState.shadowRadius = 10.0f;
+    mLayer.layerFEState.shadowSettings.length = 10.0f;
 
     mCoverageState.dirtyRegion = Region(Rect(0, 0, 500, 500));
     // half of the layer including the casting shadow is covered and opaque
@@ -1872,7 +1872,7 @@
     ui::Transform translate;
     translate.set(50, 50);
     mLayer.layerFEState.geomLayerTransform = translate;
-    mLayer.layerFEState.shadowRadius = 10.0f;
+    mLayer.layerFEState.shadowSettings.length = 10.0f;
 
     mCoverageState.dirtyRegion = Region(Rect(0, 0, 500, 500));
     // Casting layer is covered by an opaque region leaving only part of its shadow to be drawn
@@ -1897,7 +1897,7 @@
     ui::Transform translate;
     translate.set(50, 50);
     mLayer.layerFEState.geomLayerTransform = translate;
-    mLayer.layerFEState.shadowRadius = 10.0f;
+    mLayer.layerFEState.shadowSettings.length = 10.0f;
 
     mCoverageState.dirtyRegion = Region(Rect(0, 0, 500, 500));
     // Casting layer and its shadows are covered by an opaque region
diff --git a/services/surfaceflinger/FrontEnd/LayerSnapshot.cpp b/services/surfaceflinger/FrontEnd/LayerSnapshot.cpp
index f9c8e81..7a85da0 100644
--- a/services/surfaceflinger/FrontEnd/LayerSnapshot.cpp
+++ b/services/surfaceflinger/FrontEnd/LayerSnapshot.cpp
@@ -382,7 +382,6 @@
         sidebandStream = requested.sidebandStream;
     }
     if (forceUpdate || requested.what & layer_state_t::eShadowRadiusChanged) {
-        shadowRadius = requested.shadowRadius;
         shadowSettings.length = requested.shadowRadius;
     }
     if (forceUpdate || requested.what & layer_state_t::eFrameRateSelectionPriority) {
diff --git a/services/surfaceflinger/FrontEnd/LayerSnapshot.h b/services/surfaceflinger/FrontEnd/LayerSnapshot.h
index a1c72a9..80a51ea 100644
--- a/services/surfaceflinger/FrontEnd/LayerSnapshot.h
+++ b/services/surfaceflinger/FrontEnd/LayerSnapshot.h
@@ -69,7 +69,6 @@
     RoundedCornerState roundedCorner;
     FloatRect transformedBounds;
     Rect transformedBoundsWithoutTransparentRegion;
-    renderengine::ShadowSettings shadowSettings;
     bool premultipliedAlpha;
     ui::Transform parentTransform;
     Rect bufferSize;
diff --git a/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp b/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp
index a1796e1..03c0993 100644
--- a/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp
+++ b/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp
@@ -353,7 +353,7 @@
     snapshot.isSecure = false;
     snapshot.color.a = 1.0_hf;
     snapshot.colorTransformIsIdentity = true;
-    snapshot.shadowRadius = 0.f;
+    snapshot.shadowSettings.length = 0.f;
     snapshot.layerMetadata.mMap.clear();
     snapshot.relativeLayerMetadata.mMap.clear();
     snapshot.inputInfo.touchOcclusionMode = gui::TouchOcclusionMode::BLOCK_UNTRUSTED;
@@ -990,9 +990,12 @@
 }
 
 void LayerSnapshotBuilder::updateShadows(LayerSnapshot& snapshot, const RequestedLayerState&,
-                                         const renderengine::ShadowSettings& globalShadowSettings) {
-    if (snapshot.shadowRadius > 0.f) {
-        snapshot.shadowSettings = globalShadowSettings;
+                                         const ShadowSettings& globalShadowSettings) {
+    if (snapshot.shadowSettings.length > 0.f) {
+        snapshot.shadowSettings.ambientColor = globalShadowSettings.ambientColor;
+        snapshot.shadowSettings.spotColor = globalShadowSettings.spotColor;
+        snapshot.shadowSettings.lightPos = globalShadowSettings.lightPos;
+        snapshot.shadowSettings.lightRadius = globalShadowSettings.lightRadius;
 
         // Note: this preserves existing behavior of shadowing the entire layer and not cropping
         // it if transparent regions are present. This may not be necessary since shadows are
@@ -1006,7 +1009,6 @@
         snapshot.shadowSettings.ambientColor *= snapshot.alpha;
         snapshot.shadowSettings.spotColor *= snapshot.alpha;
     }
-    snapshot.shadowSettings.length = snapshot.shadowRadius;
 }
 
 void LayerSnapshotBuilder::updateInput(LayerSnapshot& snapshot,
diff --git a/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h b/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h
index 3d64b36..1506913 100644
--- a/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h
+++ b/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h
@@ -47,7 +47,7 @@
         const DisplayInfos& displays;
         // Set to true if there were display changes since last update.
         bool displayChanges = false;
-        const renderengine::ShadowSettings& globalShadowSettings;
+        const ShadowSettings& globalShadowSettings;
         bool supportsBlur = true;
         bool forceFullDamage = false;
         std::optional<FloatRect> parentCrop = std::nullopt;
@@ -108,7 +108,7 @@
     void updateLayerBounds(LayerSnapshot& snapshot, const RequestedLayerState& layerState,
                            const LayerSnapshot& parentSnapshot, uint32_t displayRotationFlags);
     static void updateShadows(LayerSnapshot& snapshot, const RequestedLayerState& requested,
-                              const renderengine::ShadowSettings& globalShadowSettings);
+                              const ShadowSettings& globalShadowSettings);
     void updateInput(LayerSnapshot& snapshot, const RequestedLayerState& requested,
                      const LayerSnapshot& parentSnapshot, const LayerHierarchy::TraversalPath& path,
                      const Args& args);
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 33d1eeb..2dc8758 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -572,7 +572,7 @@
     snapshot->outputFilter = getOutputFilter();
     snapshot->isVisible = isVisible();
     snapshot->isOpaque = opaque && !usesRoundedCorners && alpha == 1.f;
-    snapshot->shadowRadius = mEffectiveShadowRadius;
+    snapshot->shadowSettings.length = mEffectiveShadowRadius;
 
     snapshot->contentDirty = contentDirty;
     contentDirty = false;
diff --git a/services/surfaceflinger/LayerFE.cpp b/services/surfaceflinger/LayerFE.cpp
index 97c4145..48a9190 100644
--- a/services/surfaceflinger/LayerFE.cpp
+++ b/services/surfaceflinger/LayerFE.cpp
@@ -310,7 +310,7 @@
 
 void LayerFE::prepareShadowClientComposition(LayerFE::LayerSettings& caster,
                                              const Rect& layerStackRect) const {
-    renderengine::ShadowSettings state = mSnapshot->shadowSettings;
+    ShadowSettings state = mSnapshot->shadowSettings;
     if (state.length <= 0.f || (state.ambientColor.a <= 0.f && state.spotColor.a <= 0.f)) {
         return;
     }
diff --git a/services/surfaceflinger/LayerProtoHelper.cpp b/services/surfaceflinger/LayerProtoHelper.cpp
index 144e1f5..aa6026e 100644
--- a/services/surfaceflinger/LayerProtoHelper.cpp
+++ b/services/surfaceflinger/LayerProtoHelper.cpp
@@ -402,7 +402,7 @@
                                    [&]() { return layerInfo->mutable_screen_bounds(); });
     LayerProtoHelper::writeToProto(snapshot.roundedCorner.cropRect,
                                    [&]() { return layerInfo->mutable_corner_radius_crop(); });
-    layerInfo->set_shadow_radius(snapshot.shadowRadius);
+    layerInfo->set_shadow_radius(snapshot.shadowSettings.length);
 
     layerInfo->set_id(snapshot.uniqueSequence);
     layerInfo->set_original_id(snapshot.sequence);
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 7b2d590..cbea312 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -419,7 +419,7 @@
         bool colorMatrixChanged = true;
         mat4 colorMatrix;
 
-        renderengine::ShadowSettings globalShadowSettings;
+        ShadowSettings globalShadowSettings;
 
         void traverse(const LayerVector::Visitor& visitor) const;
         void traverseInZOrder(const LayerVector::Visitor& visitor) const;
diff --git a/services/surfaceflinger/Tracing/tools/LayerTraceGenerator.cpp b/services/surfaceflinger/Tracing/tools/LayerTraceGenerator.cpp
index 23fe8fa..c2d1954 100644
--- a/services/surfaceflinger/Tracing/tools/LayerTraceGenerator.cpp
+++ b/services/surfaceflinger/Tracing/tools/LayerTraceGenerator.cpp
@@ -56,7 +56,7 @@
     frontend::LayerSnapshotBuilder snapshotBuilder;
     ui::DisplayMap<ui::LayerStack, frontend::DisplayInfo> displayInfos;
 
-    renderengine::ShadowSettings globalShadowSettings{.ambientColor = {1, 1, 1, 1}};
+    ShadowSettings globalShadowSettings{.ambientColor = {1, 1, 1, 1}};
     char value[PROPERTY_VALUE_MAX];
     property_get("ro.surface_flinger.supports_background_blur", value, "0");
     bool supportsBlur = atoi(value);
diff --git a/services/surfaceflinger/tests/unittests/LayerHierarchyTest.h b/services/surfaceflinger/tests/unittests/LayerHierarchyTest.h
index c47b0fc..d319dcc 100644
--- a/services/surfaceflinger/tests/unittests/LayerHierarchyTest.h
+++ b/services/surfaceflinger/tests/unittests/LayerHierarchyTest.h
@@ -19,6 +19,7 @@
 
 #include <gui/fake/BufferData.h>
 #include <renderengine/mock/FakeExternalTexture.h>
+#include <ui/ShadowSettings.h>
 
 #include "Client.h" // temporarily needed for LayerCreationArgs
 #include "FrontEnd/LayerCreationArgs.h"
@@ -488,7 +489,7 @@
     DisplayInfos mFrontEndDisplayInfos;
     bool mHasDisplayChanges = false;
 
-    renderengine::ShadowSettings globalShadowSettings;
+    ShadowSettings globalShadowSettings;
 };
 
 } // namespace android::surfaceflinger::frontend
diff --git a/services/surfaceflinger/tests/unittests/LayerSnapshotTest.cpp b/services/surfaceflinger/tests/unittests/LayerSnapshotTest.cpp
index 956c0eb..50dfcaa 100644
--- a/services/surfaceflinger/tests/unittests/LayerSnapshotTest.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerSnapshotTest.cpp
@@ -859,7 +859,6 @@
     setShadowRadius(1, SHADOW_RADIUS);
     UPDATE_AND_VERIFY(mSnapshotBuilder, STARTING_ZORDER);
     EXPECT_EQ(getSnapshot(1)->shadowSettings.length, SHADOW_RADIUS);
-    EXPECT_EQ(getSnapshot(1)->shadowRadius, SHADOW_RADIUS);
 }
 
 } // namespace android::surfaceflinger::frontend