Sync fence support in NNAPI

The following APIs are added to NNAPI:
 - ANeuralNetworksEvent_createFromSyncFenceFd
 - ANeuralNetworksEvent_getSyncFenceFd
 - ANeuralNetworksExecution_startComputeWithDependencies

Bug: 142778241
Test: mm

Change-Id: I7bba64982c0d06e1224f5a71ee788a5044aac36a
Merged-In: I7bba64982c0d06e1224f5a71ee788a5044aac36a
(cherry picked from commit 991050faa2101656eca61c3acf0c98f8aa8cf106)

2 files changed, 9 insertions, 0 deletions

diff --git a/nn/driver/sample/SampleDriver.cpp b/nn/driver/sample/SampleDriver.cpp
index f2a94e7b4..3d6690353 100644
--- a/nn/driver/sample/SampleDriver.cpp
+++ b/nn/driver/sample/SampleDriver.cpp
@@ -407,6 +407,12 @@ Return<void> SamplePreparedModel::executeSynchronously_1_3(const V1_3::Request&
     return Void();
 }
 
+Return<void> SamplePreparedModel::executeFenced(const hal::Request&, const hidl_vec<hidl_handle>&,
+                                                MeasureTiming, executeFenced_cb cb) {
+    // TODO(miaowang): implement me.
+    cb(ErrorStatus::DEVICE_UNAVAILABLE, hidl_handle(nullptr), nullptr);
+    return Void();
+}
 // BurstExecutorWithCache maps hidl_memory when it is first seen, and preserves
 // the mapping until either (1) the memory is freed in the runtime, or (2) the
 // burst object is destroyed. This allows for subsequent executions operating on
diff --git a/nn/driver/sample/SampleDriver.h b/nn/driver/sample/SampleDriver.h
index b4633458b..4aabe9c94 100644
--- a/nn/driver/sample/SampleDriver.h
+++ b/nn/driver/sample/SampleDriver.h
@@ -137,6 +137,9 @@ class SamplePreparedModel : public hal::IPreparedModel {
             const MQDescriptorSync<hal::V1_2::FmqRequestDatum>& requestChannel,
             const MQDescriptorSync<hal::V1_2::FmqResultDatum>& resultChannel,
             configureExecutionBurst_cb cb) override;
+    hal::Return<void> executeFenced(const hal::Request& request,
+                                    const hal::hidl_vec<hal::hidl_handle>& wait_for,
+                                    hal::MeasureTiming measure, executeFenced_cb callback) override;
 
    private:
     hal::Model mModel;