Clear queues before new on-demand connection is made.

client/TracyProfiler.cpp

@@ -294,6 +294,7 @@ void Profiler::Worker()
         }
 
 #ifdef TRACY_ON_DEMAND
+        ClearQueues( token );
         m_isConnected.store( true, std::memory_order_relaxed );
 #endif
 
@@ -398,6 +399,17 @@ void Profiler::Worker()
     }
 }
 
+void Profiler::ClearQueues( moodycamel::ConsumerToken& token )
+{
+    // TODO analyse dropped items and free associated memory
+
+    while( s_queue.try_dequeue_bulk( token, m_itemBuf, BulkSize ) > 0 ) {}
+
+    std::lock_guard<NonRecursiveBenaphore> lock( m_serialLock );
+    m_serialDequeue.clear();
+    m_serialQueue.clear();
+}
+
 Profiler::DequeueStatus Profiler::Dequeue( moodycamel::ConsumerToken& token )
 {
     const auto sz = s_queue.try_dequeue_bulk( token, m_itemBuf, BulkSize );