diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index 39b4d4b..5547efc 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -86,6 +86,7 @@
     memcpy(output.writeInplace(16 * sizeof(float)),
            colorTransform.asArray(), 16 * sizeof(float));
     output.writeFloat(cornerRadius);
+    output.writeUint32(backgroundBlurRadius);
     output.writeStrongBinder(cachedBuffer.token.promote());
     output.writeUint64(cachedBuffer.id);
     output.writeParcelable(metadata);
@@ -173,6 +174,7 @@
 
     colorTransform = mat4(static_cast<const float*>(input.readInplace(16 * sizeof(float))));
     cornerRadius = input.readFloat();
+    backgroundBlurRadius = input.readUint32();
     cachedBuffer.token = input.readStrongBinder();
     cachedBuffer.id = input.readUint64();
     input.readParcelable(&metadata);
@@ -307,6 +309,10 @@
         what |= eCornerRadiusChanged;
         cornerRadius = other.cornerRadius;
     }
+    if (other.what & eBackgroundBlurRadiusChanged) {
+        what |= eBackgroundBlurRadiusChanged;
+        backgroundBlurRadius = other.backgroundBlurRadius;
+    }
     if (other.what & eDeferTransaction_legacy) {
         what |= eDeferTransaction_legacy;
         barrierHandle_legacy = other.barrierHandle_legacy;
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 20614f8..69d4269 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -918,6 +918,18 @@
     return *this;
 }
 
+SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setBackgroundBlurRadius(
+        const sp<SurfaceControl>& sc, int backgroundBlurRadius) {
+    layer_state_t* s = getLayerState(sc);
+    if (!s) {
+        mStatus = BAD_INDEX;
+        return *this;
+    }
+    s->what |= layer_state_t::eBackgroundBlurRadiusChanged;
+    s->backgroundBlurRadius = backgroundBlurRadius;
+    return *this;
+}
+
 SurfaceComposerClient::Transaction&
 SurfaceComposerClient::Transaction::deferTransactionUntil_legacy(const sp<SurfaceControl>& sc,
                                                                  const sp<IBinder>& handle,
diff --git a/libs/gui/include/gui/LayerState.h b/libs/gui/include/gui/LayerState.h
index cf64193..c256a09 100644
--- a/libs/gui/include/gui/LayerState.h
+++ b/libs/gui/include/gui/LayerState.h
@@ -101,6 +101,7 @@
         eColorSpaceAgnosticChanged = 0x10'00000000,
         eFrameRateSelectionPriority = 0x20'00000000,
         eFrameRateChanged = 0x40'00000000,
+        eBackgroundBlurRadiusChanged = 0x80'00000000,
     };
 
     layer_state_t()
@@ -117,6 +118,7 @@
             reserved(0),
             crop_legacy(Rect::INVALID_RECT),
             cornerRadius(0.0f),
+            backgroundBlurRadius(0),
             frameNumber_legacy(0),
             overrideScalingMode(-1),
             transform(0),
@@ -163,6 +165,7 @@
     matrix22_t matrix;
     Rect crop_legacy;
     float cornerRadius;
+    uint32_t backgroundBlurRadius;
     sp<IBinder> barrierHandle_legacy;
     sp<IBinder> reparentHandle;
     uint64_t frameNumber_legacy;
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 71ee82a..228bf33 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -435,6 +435,8 @@
                 float dsdx, float dtdx, float dtdy, float dsdy);
         Transaction& setCrop_legacy(const sp<SurfaceControl>& sc, const Rect& crop);
         Transaction& setCornerRadius(const sp<SurfaceControl>& sc, float cornerRadius);
+        Transaction& setBackgroundBlurRadius(const sp<SurfaceControl>& sc,
+                                             int backgroundBlurRadius);
         Transaction& setLayerStack(const sp<SurfaceControl>& sc, uint32_t layerStack);
         Transaction& setMetadata(const sp<SurfaceControl>& sc, uint32_t key, const Parcel& p);
         // Defers applying any changes made in this transaction until the Layer