Optimize GPU textures and buffers uploads with a batched memory barrier

Source/Engine/Graphics/Async/DefaultGPUTasksExecutor.cpp

@@ -5,6 +5,7 @@
 #include "GPUTask.h"
 #include "GPUTasksManager.h"
 #include "Engine/Graphics/GPUDevice.h"
+#include "Engine/Graphics/GPUPass.h"
 #include "Engine/Profiler/ProfilerCPU.h"
 
 DefaultGPUTasksExecutor::DefaultGPUTasksExecutor()
@@ -30,6 +31,9 @@ void DefaultGPUTasksExecutor::FrameBegin()
     // Default implementation performs async operations on start of the frame which is synchronized with a rendering thread
     GPUTask* buffer[32];
     const int32 count = GPUDevice::Instance->GetTasksManager()->RequestWork(buffer, 32);
+    if (count == 0)
+        return;
+    GPUMemoryPass pass(_context->GPU);
     for (int32 i = 0; i < count; i++)
     {
         _context->Run(buffer[i]);