1 files changed, 67 insertions, 0 deletions
diff --git a/libs/gui/IGraphicBufferConsumer.cpp b/libs/gui/IGraphicBufferConsumer.cpp
index 6d33a10ab1..240146455e 100644
--- a/libs/gui/IGraphicBufferConsumer.cpp
+++ b/libs/gui/IGraphicBufferConsumer.cpp
@@ -51,6 +51,8 @@ enum {
     SET_CONSUMER_USAGE_BITS,
     SET_TRANSFORM_HINT,
     GET_SIDEBAND_STREAM,
+    GET_OCCUPANCY_HISTORY,
+    DISCARD_FREE_BUFFERS,
     DUMP,
 };
 
@@ -260,6 +262,46 @@ public:
         return stream;
     }
 
+    virtual status_t getOccupancyHistory(bool forceFlush,
+            std::vector<OccupancyTracker::Segment>* outHistory) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        status_t error = data.writeBool(forceFlush);
+        if (error != NO_ERROR) {
+            return error;
+        }
+        error = remote()->transact(GET_OCCUPANCY_HISTORY, data,
+                &reply);
+        if (error != NO_ERROR) {
+            return error;
+        }
+        error = reply.readParcelableVector(outHistory);
+        if (error != NO_ERROR) {
+            return error;
+        }
+        status_t result = NO_ERROR;
+        error = reply.readInt32(&result);
+        if (error != NO_ERROR) {
+            return error;
+        }
+        return result;
+    }
+
+    virtual status_t discardFreeBuffers() {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
+        status_t error = remote()->transact(DISCARD_FREE_BUFFERS, data, &reply);
+        if (error != NO_ERROR) {
+            return error;
+        }
+        int32_t result = NO_ERROR;
+        error = reply.readInt32(&result);
+        if (error != NO_ERROR) {
+            return error;
+        }
+        return result;
+    }
+
     virtual void dumpState(String8& result, const char* prefix) const {
         Parcel data, reply;
         data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
@@ -409,6 +451,31 @@ status_t BnGraphicBufferConsumer::onTransact(
             }
             return NO_ERROR;
         }
+        case GET_OCCUPANCY_HISTORY: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            bool forceFlush = false;
+            status_t error = data.readBool(&forceFlush);
+            if (error != NO_ERROR) {
+                return error;
+            }
+            std::vector<OccupancyTracker::Segment> history;
+            status_t result = getOccupancyHistory(forceFlush, &history);
+            error = reply->writeParcelableVector(history);
+            if (error != NO_ERROR) {
+                return error;
+            }
+            error = reply->writeInt32(result);
+            if (error != NO_ERROR) {
+                return error;
+            }
+            return NO_ERROR;
+        }
+        case DISCARD_FREE_BUFFERS: {
+            CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
+            status_t result = discardFreeBuffers();
+            status_t error = reply->writeInt32(result);
+            return error;
+        }
         case DUMP: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
             String8 result = data.readString8();