Add shader getter to IMaterial interface

Source/Engine/Graphics/Materials/IMaterial.h

@@ -5,6 +5,7 @@
 #include "MaterialInfo.h"
 
 struct MaterialParamsLink;
+class GPUShader;
 class GPUContext;
 class GPUTextureView;
 class RenderBuffers;
@@ -26,6 +27,12 @@ public:
     /// <returns>The constant reference to the material descriptor.</returns>
     virtual const MaterialInfo& GetInfo() const = 0;
 
+    /// <summary>
+    /// Gets the shader resource.
+    /// </summary>
+    /// <returns>The material shader resource.</returns>
+    virtual GPUShader* GetShader() const = 0;
+
     /// <summary>
     /// Determines whether material is a surface shader.
     /// </summary>

Source/Engine/Graphics/Materials/MaterialShader.h

@@ -98,8 +98,6 @@ public:
     /// <returns>The created and loaded material or null if failed.</returns>
     static MaterialShader* CreateDummy(MemoryReadStream& shaderCacheStream, const MaterialInfo& info);
 
-    GPUShader* GetShader() const;
-
     /// <summary>
     /// Clears the loaded data.
     /// </summary>
@@ -114,5 +112,6 @@ public:
 
     // [IMaterial]
     const MaterialInfo& GetInfo() const override;
+    GPUShader* GetShader() const override;
     bool IsReady() const override;
 };