diff --git a/libs/renderengine/include/renderengine/LayerSettings.h b/libs/renderengine/include/renderengine/LayerSettings.h
index 28aa4dd..8ac0af4 100644
--- a/libs/renderengine/include/renderengine/LayerSettings.h
+++ b/libs/renderengine/include/renderengine/LayerSettings.h
@@ -28,6 +28,7 @@
 #include <ui/GraphicTypes.h>
 #include <ui/Rect.h>
 #include <ui/Region.h>
+#include <ui/ShadowSettings.h>
 #include <ui/StretchEffect.h>
 #include <ui/Transform.h>
 
@@ -97,36 +98,6 @@
     half3 solidColor = half3(0.0f, 0.0f, 0.0f);
 };
 
-/*
- * Contains the configuration for the shadows drawn by single layer. Shadow follows
- * material design guidelines.
- */
-struct ShadowSettings {
-    // Boundaries of the shadow.
-    FloatRect boundaries = FloatRect();
-
-    // Color to the ambient shadow. The alpha is premultiplied.
-    vec4 ambientColor = vec4();
-
-    // Color to the spot shadow. The alpha is premultiplied. The position of the spot shadow
-    // depends on the light position.
-    vec4 spotColor = vec4();
-
-    // Position of the light source used to cast the spot shadow.
-    vec3 lightPos = vec3();
-
-    // Radius of the spot light source. Smaller radius will have sharper edges,
-    // larger radius will have softer shadows
-    float lightRadius = 0.f;
-
-    // Length of the cast shadow. If length is <= 0.f no shadows will be drawn.
-    float length = 0.f;
-
-    // If true fill in the casting layer is translucent and the shadow needs to fill the bounds.
-    // Otherwise the shadow will only be drawn around the edges of the casting layer.
-    bool casterIsTranslucent = false;
-};
-
 // The settings that RenderEngine requires for correctly rendering a Layer.
 struct LayerSettings {
     // Geometry information
@@ -194,17 +165,6 @@
     return lhs.buffer == rhs.buffer && lhs.solidColor == rhs.solidColor;
 }
 
-static inline bool operator==(const ShadowSettings& lhs, const ShadowSettings& rhs) {
-    return lhs.boundaries == rhs.boundaries && lhs.ambientColor == rhs.ambientColor &&
-            lhs.spotColor == rhs.spotColor && lhs.lightPos == rhs.lightPos &&
-            lhs.lightRadius == rhs.lightRadius && lhs.length == rhs.length &&
-            lhs.casterIsTranslucent == rhs.casterIsTranslucent;
-}
-
-static inline bool operator!=(const ShadowSettings& lhs, const ShadowSettings& rhs) {
-    return !(operator==(lhs, rhs));
-}
-
 static inline bool operator==(const LayerSettings& lhs, const LayerSettings& rhs) {
     if (lhs.blurRegions.size() != rhs.blurRegions.size()) {
         return false;
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index 7dde716..6023808 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -403,7 +403,7 @@
     }
 
     void expectShadowColor(const renderengine::LayerSettings& castingLayer,
-                           const renderengine::ShadowSettings& shadow, const ubyte4& casterColor,
+                           const ShadowSettings& shadow, const ubyte4& casterColor,
                            const ubyte4& backgroundColor) {
         const Rect casterRect(castingLayer.geometry.boundaries);
         Region casterRegion = Region(casterRect);
@@ -443,8 +443,7 @@
                           backgroundColor.a);
     }
 
-    void expectShadowColorWithoutCaster(const FloatRect& casterBounds,
-                                        const renderengine::ShadowSettings& shadow,
+    void expectShadowColorWithoutCaster(const FloatRect& casterBounds, const ShadowSettings& shadow,
                                         const ubyte4& backgroundColor) {
         const float shadowInset = shadow.length * -1.0f;
         const Rect casterRect(casterBounds);
@@ -463,9 +462,9 @@
                           backgroundColor.a);
     }
 
-    static renderengine::ShadowSettings getShadowSettings(const vec2& casterPos, float shadowLength,
-                                                          bool casterIsTranslucent) {
-        renderengine::ShadowSettings shadow;
+    static ShadowSettings getShadowSettings(const vec2& casterPos, float shadowLength,
+                                            bool casterIsTranslucent) {
+        ShadowSettings shadow;
         shadow.ambientColor = {0.0f, 0.0f, 0.0f, 0.039f};
         shadow.spotColor = {0.0f, 0.0f, 0.0f, 0.19f};
         shadow.lightPos = vec3(casterPos.x, casterPos.y, 0);
@@ -602,12 +601,10 @@
     void fillGreenColorBufferThenClearRegion();
 
     template <typename SourceVariant>
-    void drawShadow(const renderengine::LayerSettings& castingLayer,
-                    const renderengine::ShadowSettings& shadow, const ubyte4& casterColor,
-                    const ubyte4& backgroundColor);
+    void drawShadow(const renderengine::LayerSettings& castingLayer, const ShadowSettings& shadow,
+                    const ubyte4& casterColor, const ubyte4& backgroundColor);
 
-    void drawShadowWithoutCaster(const FloatRect& castingBounds,
-                                 const renderengine::ShadowSettings& shadow,
+    void drawShadowWithoutCaster(const FloatRect& castingBounds, const ShadowSettings& shadow,
                                  const ubyte4& backgroundColor);
 
     // Tonemaps grey values from sourceDataspace -> Display P3 and checks that GPU and CPU
@@ -1337,8 +1334,8 @@
 
 template <typename SourceVariant>
 void RenderEngineTest::drawShadow(const renderengine::LayerSettings& castingLayer,
-                                  const renderengine::ShadowSettings& shadow,
-                                  const ubyte4& casterColor, const ubyte4& backgroundColor) {
+                                  const ShadowSettings& shadow, const ubyte4& casterColor,
+                                  const ubyte4& backgroundColor) {
     renderengine::DisplaySettings settings;
     settings.outputDataspace = ui::Dataspace::V0_SRGB_LINEAR;
     settings.physicalDisplay = fullscreenRect();
@@ -1374,7 +1371,7 @@
 }
 
 void RenderEngineTest::drawShadowWithoutCaster(const FloatRect& castingBounds,
-                                               const renderengine::ShadowSettings& shadow,
+                                               const ShadowSettings& shadow,
                                                const ubyte4& backgroundColor) {
     renderengine::DisplaySettings settings;
     settings.outputDataspace = ui::Dataspace::V0_SRGB_LINEAR;
@@ -2103,9 +2100,8 @@
     const float shadowLength = 5.0f;
     Rect casterBounds(DEFAULT_DISPLAY_WIDTH / 3.0f, DEFAULT_DISPLAY_HEIGHT / 3.0f);
     casterBounds.offsetBy(shadowLength + 1, shadowLength + 1);
-    renderengine::ShadowSettings settings =
-            getShadowSettings(vec2(casterBounds.left, casterBounds.top), shadowLength,
-                              false /* casterIsTranslucent */);
+    ShadowSettings settings = getShadowSettings(vec2(casterBounds.left, casterBounds.top),
+                                                shadowLength, false /* casterIsTranslucent */);
 
     drawShadowWithoutCaster(casterBounds.toFloatRect(), settings, backgroundColor);
     expectShadowColorWithoutCaster(casterBounds.toFloatRect(), settings, backgroundColor);
@@ -2127,9 +2123,8 @@
     renderengine::LayerSettings castingLayer;
     castingLayer.geometry.boundaries = casterBounds.toFloatRect();
     castingLayer.alpha = 1.0f;
-    renderengine::ShadowSettings settings =
-            getShadowSettings(vec2(casterBounds.left, casterBounds.top), shadowLength,
-                              false /* casterIsTranslucent */);
+    ShadowSettings settings = getShadowSettings(vec2(casterBounds.left, casterBounds.top),
+                                                shadowLength, false /* casterIsTranslucent */);
 
     drawShadow<ColorSourceVariant>(castingLayer, settings, casterColor, backgroundColor);
     expectShadowColor(castingLayer, settings, casterColor, backgroundColor);
@@ -2152,9 +2147,8 @@
     castingLayer.sourceDataspace = ui::Dataspace::V0_SRGB_LINEAR;
     castingLayer.geometry.boundaries = casterBounds.toFloatRect();
     castingLayer.alpha = 1.0f;
-    renderengine::ShadowSettings settings =
-            getShadowSettings(vec2(casterBounds.left, casterBounds.top), shadowLength,
-                              false /* casterIsTranslucent */);
+    ShadowSettings settings = getShadowSettings(vec2(casterBounds.left, casterBounds.top),
+                                                shadowLength, false /* casterIsTranslucent */);
 
     drawShadow<ColorSourceVariant>(castingLayer, settings, casterColor, backgroundColor);
     expectShadowColor(castingLayer, settings, casterColor, backgroundColor);
@@ -2177,9 +2171,8 @@
     castingLayer.sourceDataspace = ui::Dataspace::V0_SRGB_LINEAR;
     castingLayer.geometry.boundaries = casterBounds.toFloatRect();
     castingLayer.alpha = 1.0f;
-    renderengine::ShadowSettings settings =
-            getShadowSettings(vec2(casterBounds.left, casterBounds.top), shadowLength,
-                              false /* casterIsTranslucent */);
+    ShadowSettings settings = getShadowSettings(vec2(casterBounds.left, casterBounds.top),
+                                                shadowLength, false /* casterIsTranslucent */);
 
     drawShadow<BufferSourceVariant<ForceOpaqueBufferVariant>>(castingLayer, settings, casterColor,
                                                               backgroundColor);
@@ -2204,9 +2197,8 @@
     castingLayer.geometry.roundedCornersRadius = {3.0f, 3.0f};
     castingLayer.geometry.roundedCornersCrop = casterBounds.toFloatRect();
     castingLayer.alpha = 1.0f;
-    renderengine::ShadowSettings settings =
-            getShadowSettings(vec2(casterBounds.left, casterBounds.top), shadowLength,
-                              false /* casterIsTranslucent */);
+    ShadowSettings settings = getShadowSettings(vec2(casterBounds.left, casterBounds.top),
+                                                shadowLength, false /* casterIsTranslucent */);
 
     drawShadow<BufferSourceVariant<ForceOpaqueBufferVariant>>(castingLayer, settings, casterColor,
                                                               backgroundColor);
@@ -2227,9 +2219,8 @@
     renderengine::LayerSettings castingLayer;
     castingLayer.geometry.boundaries = casterBounds.toFloatRect();
     castingLayer.alpha = 0.5f;
-    renderengine::ShadowSettings settings =
-            getShadowSettings(vec2(casterBounds.left, casterBounds.top), shadowLength,
-                              true /* casterIsTranslucent */);
+    ShadowSettings settings = getShadowSettings(vec2(casterBounds.left, casterBounds.top),
+                                                shadowLength, true /* casterIsTranslucent */);
 
     drawShadow<BufferSourceVariant<RelaxOpaqueBufferVariant>>(castingLayer, settings, casterColor,
                                                               backgroundColor);
diff --git a/libs/ui/include/ui/ShadowSettings.h b/libs/ui/include/ui/ShadowSettings.h
new file mode 100644
index 0000000..c0b83b8
--- /dev/null
+++ b/libs/ui/include/ui/ShadowSettings.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <math/vec4.h>
+#include "FloatRect.h"
+
+namespace android {
+
+/*
+ * Contains the configuration for the shadows drawn by single layer. Shadow follows
+ * material design guidelines.
+ */
+struct ShadowSettings {
+    // Boundaries of the shadow.
+    FloatRect boundaries = FloatRect();
+
+    // Color to the ambient shadow. The alpha is premultiplied.
+    vec4 ambientColor = vec4();
+
+    // Color to the spot shadow. The alpha is premultiplied. The position of the spot shadow
+    // depends on the light position.
+    vec4 spotColor = vec4();
+
+    // Position of the light source used to cast the spot shadow.
+    vec3 lightPos = vec3();
+
+    // Radius of the spot light source. Smaller radius will have sharper edges,
+    // larger radius will have softer shadows
+    float lightRadius = 0.f;
+
+    // Length of the cast shadow. If length is <= 0.f no shadows will be drawn.
+    float length = 0.f;
+
+    // If true fill in the casting layer is translucent and the shadow needs to fill the bounds.
+    // Otherwise the shadow will only be drawn around the edges of the casting layer.
+    bool casterIsTranslucent = false;
+};
+
+static inline bool operator==(const ShadowSettings& lhs, const ShadowSettings& rhs) {
+    return lhs.boundaries == rhs.boundaries && lhs.ambientColor == rhs.ambientColor &&
+            lhs.spotColor == rhs.spotColor && lhs.lightPos == rhs.lightPos &&
+            lhs.lightRadius == rhs.lightRadius && lhs.length == rhs.length &&
+            lhs.casterIsTranslucent == rhs.casterIsTranslucent;
+}
+
+static inline bool operator!=(const ShadowSettings& lhs, const ShadowSettings& rhs) {
+    return !(operator==(lhs, rhs));
+}
+
+} // namespace android
\ No newline at end of file