add GetShaderResourceGroup() to RPI::Material (o3de#17558)

Signed-off-by: Karl Haubenwallner <[email protected]>

Author: kh-huawei

Gems/Atom/RPI/Code/Include/Atom/RPI.Public/Material/Material.h

@@ -131,6 +131,8 @@ namespace AZ
             //! Do not set this in the shipping runtime unless you know what you are doing.
             void SetPsoHandlingOverride(MaterialPropertyPsoHandling psoHandlingOverride);
 
+            Data::Instance<RPI::ShaderResourceGroup> GetShaderResourceGroup();
+
             const RHI::ShaderResourceGroup* GetRHIShaderResourceGroup() const;
 
             const Data::Asset<MaterialAsset>& GetAsset() const;

Gems/Atom/RPI/Code/Source/RPI.Public/Material/Material.cpp

@@ -857,5 +857,9 @@ namespace AZ
         {
             return m_materialProperties.GetMaterialPropertiesLayout();
         }
+        Data::Instance<RPI::ShaderResourceGroup> Material::GetShaderResourceGroup()
+        {
+            return m_shaderResourceGroup;
+        }
     } // namespace RPI
 } // namespace AZ