diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionEngine.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionEngine.h
index 9898e35..8687d0c 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionEngine.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionEngine.h
@@ -66,6 +66,9 @@
 
     // TODO(b/121291683): These will become private/internal
     virtual void preComposition(CompositionRefreshArgs&) = 0;
+
+    // Debugging
+    virtual void dump(std::string&) const = 0;
 };
 
 } // namespace compositionengine
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/CompositionEngine.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/CompositionEngine.h
index 76798f1..f416c9c 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/CompositionEngine.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/CompositionEngine.h
@@ -45,6 +45,9 @@
 
     void preComposition(CompositionRefreshArgs&) override;
 
+    // Debugging
+    void dump(std::string&) const override;
+
     void updateLayerStateFromFE(CompositionRefreshArgs& args);
 
     // Testing
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/CompositionEngine.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/CompositionEngine.h
index af7efdd..8e6f2e2 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/CompositionEngine.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/mock/CompositionEngine.h
@@ -48,6 +48,8 @@
     MOCK_METHOD1(updateCursorAsync, void(CompositionRefreshArgs&));
 
     MOCK_METHOD1(preComposition, void(CompositionRefreshArgs&));
+
+    MOCK_CONST_METHOD1(dump, void(std::string&));
 };
 
 } // namespace android::compositionengine::mock
diff --git a/services/surfaceflinger/CompositionEngine/src/CompositionEngine.cpp b/services/surfaceflinger/CompositionEngine/src/CompositionEngine.cpp
index 295c289..be8646c 100644
--- a/services/surfaceflinger/CompositionEngine/src/CompositionEngine.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/CompositionEngine.cpp
@@ -130,6 +130,10 @@
     mNeedsAnotherUpdate = needsAnotherUpdate;
 }
 
+void CompositionEngine::dump(std::string&) const {
+    // The base class has no state to dump, but derived classes might.
+}
+
 void CompositionEngine::setNeedsAnotherUpdateForTest(bool value) {
     mNeedsAnotherUpdate = value;
 }
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index f56e679..7928219 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -4212,6 +4212,12 @@
     result.append("\n");
 
     /*
+     * Dump CompositionEngine state
+     */
+
+    mCompositionEngine->dump(result);
+
+    /*
      * Dump SurfaceFlinger global state
      */