[POC] initializeBarrierTracker(this=0x7339b65eae78) xfbBits=0x0 groundTruthSum=0x0
[POC] acquireBufferHelper(mBuffer.valid=0, &mBuffer=0x71f9b667bae8)
[POC] initializeBarrierTracker(this=0x71f9b667bae8) xfbBits=0x0 groundTruthSum=0xbebebebe
[POC] acquireBufferHelper(mBuffer.valid=0, &mBuffer=0x71f9b667e4e8)
[POC] initializeBarrierTracker(this=0x71f9b667e4e8) xfbBits=0x0 groundTruthSum=0xbebebebe
[POC] acquireBufferHelper(mBuffer.valid=0, &mBuffer=0x71f9b667eae8)
[POC] initializeBarrierTracker(this=0x71f9b667eae8) xfbBits=0x0 groundTruthSum=0xbebebebe
[POC] recordReadBarrier(this=0x71f9b667e4e8) stage=12 access=0x4 hasEventAndAccess=0
[POC] recordReadEvent(this=0x71f9b667e4e8) non-VkEvent path: stage=12 access=0x4 (feature=1 eventStageValid=1 xfbBits=0x0)
[POC] recordWriteBarrier(this=0x71f9b667e4e8) writeStage=13 access=0x60 xfbBits(after)=0x1
[POC] recordReadBarrier(this=0x71f9b667eae8) stage=12 access=0x4 hasEventAndAccess=0
[POC] recordReadEvent(this=0x71f9b667eae8) non-VkEvent path: stage=12 access=0x4 (feature=1 eventStageValid=1 xfbBits=0x0)
[POC] recordReadBarrier(this=0x71f9b667e4e8) stage=12 access=0x2 hasEventAndAccess=0
[POC] recordReadEvent(this=0x71f9b667e4e8) VkEvent path: stage=12 access=0x2 -> mAccessFlags=0x2 groundTruth=0x2
[POC] acquireBufferHelper(mBuffer.valid=1, &mBuffer=0x71f9b667e4e8)
[POC] initializeBarrierTracker(this=0x71f9b667e4e8) xfbBits=0x1 groundTruthSum=0x2
[POC] recordWriteBarrier(this=0x71f9b667e4e8) writeStage=13 access=0x60 xfbBits(after)=0x2
[POC] recordReadBarrier(this=0x71f9b667e4e8) stage=12 access=0x4 hasEventAndAccess=0
[POC] recordReadEvent(this=0x71f9b667e4e8) VkEvent path: stage=12 access=0x4 -> mAccessFlags=0x4 groundTruth=0x4
[POC] recordReadBarrier(this=0x71f9b667eae8) stage=12 access=0x4 hasEventAndAccess=0
[POC] recordReadEvent(this=0x71f9b667eae8) non-VkEvent path: stage=12 access=0x4 (feature=1 eventStageValid=1 xfbBits=0x0)
[POC] recordReadBarrier(this=0x71f9b667e4e8) stage=12 access=0x2 hasEventAndAccess=0
[POC] recordReadEvent(this=0x71f9b667e4e8) VkEvent path: stage=12 access=0x2 -> mAccessFlags=0x6 groundTruth=0x6
[       OK ] TransformFeedbackTestVkEvent.StaleAccessFlagsSkipsBarrier/ES3_1_Vulkan_SwiftShader_UseVkEventForBufferBarrier_IsVertexSyncDeferred (144 ms)