...

app/src/main/cpp/native_renderer.cpp

@@ -93,6 +93,7 @@ Java_bums_lunatic_launcher_wall_NativeRenderer_nativeStartRenderLoop(JNIEnv* env
         LOGE("Could not get ANativeWindow from Surface.");
         return;
     }
+    ANativeWindow_setBuffersGeometry(window, 0, 0, WINDOW_FORMAT_RGBA_8888);
     renderer->startRenderLoop(window);
     ANativeWindow_release(window);
 }