commit 1d04428c3cff3503212ec3e76775ca5ba20abc18
author chaviw <chaviw@google.com> Wed Sep 27 12:19:28 2017 -0700
committer chaviw <chaviw@google.com> Mon Oct 23 13:32:53 2017 -0700
tree 28758de693a527f13c4293df07ad33a0b3744d0c
parent a039340cacb0621c9bae44d5efd52aa50e71becc

Added protobuf to gather layer info.

Use protobuf to gather information about the layers. This change also
uses protobuf for the layer dumpsys.

Test: Ran dumpsys for layers to confirm the data was correct.

Change-Id: Iec474e57a4fb9de1e548440d6a08685505947278

services/surfaceflinger/SurfaceFlinger_hwc1.cpp

diff --git a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
index b718ec8..ed7641f 100644
--- a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
+++ b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
@@ -87,6 +87,8 @@
 #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <configstore/Utils.h>
 
+#include <layerproto/LayerProtoParser.h>
+
 #define DISPLAY_COUNT       1
 
 /*
@@ -3073,6 +3075,13 @@
                 dumpFrameEventsLocked(result);
                 dumpAll = false;
             }
+
+            if ((index < numArgs) && (args[index] == String16("--proto"))) {
+                index++;
+                LayersProto layersProto = dumpProtoInfo();
+                result.append(layersProto.SerializeAsString().c_str(), layersProto.ByteSize());
+                dumpAll = false;
+            }
         }
 
         if (dumpAll) {
@@ -3243,6 +3252,16 @@
     result.append("\n");
 }
 
+LayersProto SurfaceFlinger::dumpProtoInfo() const {
+    LayersProto layersProto;
+    mCurrentState.traverseInZOrder([&](Layer* layer) {
+        LayerProto* layerProto = layersProto.add_layers();
+        layer->writeToProto(layerProto, LayerVector::StateSet::Current);
+    });
+
+    return layersProto;
+}
+
 void SurfaceFlinger::dumpAllLocked(const Vector<String16>& args, size_t& index,
         String8& result) const
 {
@@ -3302,9 +3321,10 @@
     colorizer.bold(result);
     result.appendFormat("Visible layers (count = %zu)\n", mNumLayers);
     colorizer.reset(result);
-    mCurrentState.traverseInZOrder([&](Layer* layer) {
-        result.append(to_string(layer->getLayerDebugInfo()).c_str());
-    });
+
+    LayersProto layersProto = dumpProtoInfo();
+    auto layerTree = LayerProtoParser::generateLayerTree(layersProto);
+    result.append(LayerProtoParser::layersToString(layerTree).c_str());
 
     /*
      * Dump Display state