Add current frame and barrier layer info to protobuf.

Added more info to the protobuf to help identify the root cause of the
bug.

Bug: 111062294
Test: go/winscope
Change-Id: Ife93907482ad89341b20a5508acce04ad4a5b32e
Merged-In: Ife93907482ad89341b20a5508acce04ad4a5b32e

2 files changed, 21 insertions, 0 deletions

diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 6d5a598e89..9150c3f895 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -1987,6 +1987,16 @@ void Layer::writeToProto(LayerProto* layerInfo, LayerVector::StateSet stateSet)
     layerInfo->set_refresh_pending(isBufferLatched());
     layerInfo->set_window_type(state.type);
     layerInfo->set_app_id(state.appId);
+    layerInfo->set_curr_frame(mCurrentFrameNumber);
+
+    for (const auto& pendingState : mPendingStates) {
+        auto barrierLayer = pendingState.barrierLayer.promote();
+        if (barrierLayer != nullptr) {
+            BarrierLayerProto* barrierLayerProto = layerInfo->add_barrier_layer();
+            barrierLayerProto->set_id(barrierLayer->sequence);
+            barrierLayerProto->set_frame_number(pendingState.frameNumber);
+        }
+    }
 }
 
 void Layer::writeToProto(LayerProto* layerInfo, int32_t hwcId) {
diff --git a/services/surfaceflinger/layerproto/layers.proto b/services/surfaceflinger/layerproto/layers.proto
index 77c6675b7f..edf56abc4a 100644
--- a/services/surfaceflinger/layerproto/layers.proto
+++ b/services/surfaceflinger/layerproto/layers.proto
@@ -80,6 +80,10 @@ message LayerProto {
   optional int32 hwc_composition_type = 35;
   // If it's a buffer layer, indicate if the content is protected
   optional bool is_protected = 36;
+  // Current frame number being rendered.
+  optional uint64 curr_frame = 37;
+  // A list of barriers that the layer is waiting to update state.
+  repeated BarrierLayerProto barrier_layer = 38;
 }
 
 message PositionProto {
@@ -131,3 +135,10 @@ message ColorProto {
   optional float b = 3;
   optional float a = 4;
 }
+
+message BarrierLayerProto {
+  // layer id the barrier is waiting on.
+  optional int32 id = 1;
+  // frame number the barrier is waiting on.
+  optional uint64 frame_number = 2;
+}