diff --git a/inc/hgl/shadergen/ShaderDescriptorInfo.h b/inc/hgl/shadergen/ShaderDescriptorInfo.h
index a1fb7977..f54705a7 100644
--- a/inc/hgl/shadergen/ShaderDescriptorInfo.h
+++ b/inc/hgl/shadergen/ShaderDescriptorInfo.h
@@ -59,6 +59,7 @@ public:
     bool AddInput(ShaderAttribute *);
     bool AddOutput(ShaderAttribute *);
 
+    void AddStruct(const AnsiString &);
     bool AddUBO(DescriptorSetType type,const UBODescriptor *sd);
     bool AddSampler(DescriptorSetType type,const SamplerDescriptor *sd);
 
diff --git a/src/ShaderGen/ShaderDescriptorInfo.cpp b/src/ShaderGen/ShaderDescriptorInfo.cpp
index bb94e9c8..496b0300 100644
--- a/src/ShaderGen/ShaderDescriptorInfo.cpp
+++ b/src/ShaderGen/ShaderDescriptorInfo.cpp
@@ -49,6 +49,11 @@ bool ShaderDescriptorInfo::AddOutput(ShaderAttribute *ss)
     return(true);
 }
 
+void ShaderDescriptorInfo::AddStruct(const AnsiString &name)
+{
+    struct_list.AddUnique(name);
+}
+
 bool ShaderDescriptorInfo::AddUBO(DescriptorSetType type,const UBODescriptor *ubo)
 {
     if(!ubo)