Add SetResourceState and ForceRebindDescriptors to GPUContext for integration with external rendering libraries

Source/Engine/Graphics/GPUContext.cpp

@@ -63,3 +63,11 @@ void GPUContext::Draw(GPUTextureView* rt)
     SetState(_device->GetCopyLinearPS());
     DrawFullscreenTriangle();
 }
+
+void GPUContext::SetResourceState(GPUResource* resource, uint64 state, int32 subresource)
+{
+}
+
+void GPUContext::ForceRebindDescriptors()
+{
+}

Source/Engine/Graphics/GPUContext.h

@@ -596,4 +596,14 @@ public:
     /// Flushes the command buffer (calls GPU execution).
     /// </summary>
     API_FUNCTION() virtual void Flush() = 0;
+
+    /// <summary>
+    /// Sets the state of the resource (or subresource).
+    /// </summary>
+    virtual void SetResourceState(GPUResource* resource, uint64 state, int32 subresource = -1);
+
+    /// <summary>
+    /// Forces graphics backend to rebind descriptors after command list was used by external graphics library.
+    /// </summary>
+    virtual void ForceRebindDescriptors();
 };