diff --git a/services/surfaceflinger/LayerProtoHelper.cpp b/services/surfaceflinger/LayerProtoHelper.cpp
new file mode 100644
index 0000000..6a33148
--- /dev/null
+++ b/services/surfaceflinger/LayerProtoHelper.cpp
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#include "LayerProtoHelper.h"
+
+namespace android {
+namespace surfaceflinger {
+void LayerProtoHelper::writeToProto(const Region& region, RegionProto* regionProto) {
+    Region::const_iterator head = region.begin();
+    Region::const_iterator const tail = region.end();
+    uint64_t address = reinterpret_cast<uint64_t>(&region);
+    regionProto->set_id(address);
+    while (head != tail) {
+        RectProto* rectProto = regionProto->add_rect();
+        writeToProto(*head, rectProto);
+        head++;
+    }
+}
+
+void LayerProtoHelper::writeToProto(const Rect& rect, RectProto* rectProto) {
+    rectProto->set_left(rect.left);
+    rectProto->set_top(rect.top);
+    rectProto->set_bottom(rect.bottom);
+    rectProto->set_right(rect.right);
+}
+
+void LayerProtoHelper::writeToProto(const half4 color, ColorProto* colorProto) {
+    colorProto->set_r(color.r);
+    colorProto->set_g(color.g);
+    colorProto->set_b(color.b);
+    colorProto->set_a(color.a);
+}
+
+void LayerProtoHelper::writeToProto(const Transform& transform, TransformProto* transformProto) {
+    transformProto->set_dsdx(transform[0][0]);
+    transformProto->set_dtdx(transform[0][1]);
+    transformProto->set_dsdy(transform[1][0]);
+    transformProto->set_dtdy(transform[1][1]);
+}
+
+void LayerProtoHelper::writeToProto(const sp<GraphicBuffer>& buffer,
+                                    ActiveBufferProto* activeBufferProto) {
+    activeBufferProto->set_width(buffer->getWidth());
+    activeBufferProto->set_height(buffer->getHeight());
+    activeBufferProto->set_stride(buffer->getStride());
+    activeBufferProto->set_format(buffer->format);
+}
+
+} // namespace surfaceflinger
+} // namespace android