Add JobSystem::Dispatch that accepts dependent jobs that needs to be completed before

Source/Engine/Threading/JobSystem.h

@@ -4,6 +4,9 @@
 
 #include "Engine/Core/Delegate.h"
 
+template<typename T>
+class Span;
+
 /// <summary>
 /// Lightweight multi-threaded jobs execution scheduler. Uses a pool of threads and supports work-stealing concept.
 /// </summary>
@@ -26,6 +29,15 @@ API_CLASS(Static) class FLAXENGINE_API JobSystem
     /// <returns>The label identifying this dispatch. Can be used to wait for the execution end.</returns>
     API_FUNCTION() static int64 Dispatch(const Function<void(int32)>& job, int32 jobCount = 1);
 
+    /// <summary>
+    /// Dispatches the job for the execution after all of dependant jobs will complete.
+    /// </summary>
+    /// <param name="job">The job. Argument is an index of the job execution.</param>
+    /// <param name="dependencies">The list of dependant jobs that need to complete in order to start executing this job.</param>
+    /// <param name="jobCount">The job executions count.</param>
+    /// <returns>The label identifying this dispatch. Can be used to wait for the execution end.</returns>
+    API_FUNCTION() static int64 Dispatch(const Function<void(int32)>& job, Span<int64> dependencies, int32 jobCount = 1);
+
     /// <summary>
     /// Waits for all dispatched jobs to finish.
     /// </summary>