2 files changed, 13 insertions, 2 deletions
diff --git a/Graphics/GraphicsEngineMetal/interface/EngineFactoryMtl.h b/Graphics/GraphicsEngineMetal/interface/EngineFactoryMtl.h
index ca6088b6..225d1152 100644
--- a/Graphics/GraphicsEngineMetal/interface/EngineFactoryMtl.h
+++ b/Graphics/GraphicsEngineMetal/interface/EngineFactoryMtl.h
@@ -28,6 +28,7 @@
 
 #include <sstream>
 
+#include "../../Primitives/interface/Object.h"
 #include "../../GraphicsEngine/interface/RenderDevice.h"
 #include "../../GraphicsEngine/interface/DeviceContext.h"
 #include "../../GraphicsEngine/interface/SwapChain.h"
@@ -38,7 +39,11 @@
 namespace Diligent
 {
 
-class IEngineFactoryMtl
+// {CF4A590D-2E40-4F48-9579-0D25991F963B}
+static const INTERFACE_ID IID_EngineFactoryMtl = 
+{ 0xcf4a590d, 0x2e40, 0x4f48, { 0x95, 0x79, 0xd, 0x25, 0x99, 0x1f, 0x96, 0x3b } };
+
+class IEngineFactoryMtl : public IObject
 {
 public:
     virtual void CreateDeviceAndContextsMtl(const EngineMtlCreateInfo& Attribs, 
diff --git a/Graphics/GraphicsEngineMetal/src/EngineFactoryMtl.mm b/Graphics/GraphicsEngineMetal/src/EngineFactoryMtl.mm
index 7516d45e..0aa1edf7 100644
--- a/Graphics/GraphicsEngineMetal/src/EngineFactoryMtl.mm
+++ b/Graphics/GraphicsEngineMetal/src/EngineFactoryMtl.mm
@@ -30,12 +30,13 @@
 #include "SwapChainMtlImpl.h"
 #include "MtlTypeConversions.h"
 #include "EngineMemory.h"
+#include "EngineFactoryBase.h"
 
 namespace Diligent
 {
 
 /// Engine factory for Mtl implementation
-class EngineFactoryMtlImpl : public IEngineFactoryMtl
+class EngineFactoryMtlImpl : public EngineFactoryBase<IEngineFactoryMtl>
 {
 public:
     static EngineFactoryMtlImpl* GetInstance()
@@ -44,6 +45,11 @@ public:
         return &TheFactory;
     }
 
+    using TBase = EngineFactoryBase<IEngineFactoryMtl>;
+    EngineFactoryMtlImpl() :
+        TBase(IID_EngineFactoryMtl)
+    {}
+
     void CreateDeviceAndContextsMtl(const EngineMtlCreateInfo&  EngineAttribs, 
                                     IRenderDevice**             ppDevice, 
                                     IDeviceContext**            ppContexts,