diff --git a/CMSceneGraph b/CMSceneGraph
index b7789d3b..6e30c0c2 160000
--- a/CMSceneGraph
+++ b/CMSceneGraph
@@ -1 +1 @@
-Subproject commit b7789d3b190855d3af0146b34af84f0247b5d242
+Subproject commit 6e30c0c2ca4056b0593ea0d1770bd7485c2b2d6c
diff --git a/inc/hgl/shadergen/ShaderCreaterFragment.h b/inc/hgl/shadergen/ShaderCreaterFragment.h
index 295b9e8a..6f90db14 100644
--- a/inc/hgl/shadergen/ShaderCreaterFragment.h
+++ b/inc/hgl/shadergen/ShaderCreaterFragment.h
@@ -10,6 +10,8 @@ enum class MaterialType
 
 class ShaderCreaterFragment:public ShaderCreater
 {
+    bool ProcOutput() override;
+
 public:
 
     ShaderCreaterFragment(MaterialDescriptorManager *m):ShaderCreater(VK_SHADER_STAGE_FRAGMENT_BIT,m){}
diff --git a/src/ShaderGen/ShaderCreaterFragment.cpp b/src/ShaderGen/ShaderCreaterFragment.cpp
index 78f7405f..c22d2f9b 100644
--- a/src/ShaderGen/ShaderCreaterFragment.cpp
+++ b/src/ShaderGen/ShaderCreaterFragment.cpp
@@ -9,15 +9,42 @@ void ShaderCreaterFragment::UseDefaultMain()
     const auto &output_list=sdm.GetShaderStageIO().output;
 
     const uint count=output_list.GetCount();
+    ShaderStage **o=output_list.GetData();
+
     for(uint i=0;i<count;i++)
     {
         shader_codes+="\t";
-        shader_codes+=output_list[i]->name;
+        shader_codes+=(*o)->name;
         shader_codes+="=Get";
-        shader_codes+=output_list[i]->name;
+        shader_codes+=(*o)->name;
         shader_codes+="();\n";
+
+        ++o;
     }
 
     shader_codes+="}";
 }
+
+bool ShaderCreaterFragment::ProcOutput()
+{
+    const auto &output_list=sdm.GetShaderStageIO().output;
+
+    const uint count=output_list.GetCount();
+    ShaderStage **o=output_list.GetData();
+
+    for(uint i=0;i<count;i++)
+    {
+        final_shader+="layout(location=";
+        final_shader+=AnsiString::numberOf(i);
+        final_shader+=") out ";
+        final_shader+=GetShaderStageTypeName(*o);
+        final_shader+=" ";
+        final_shader+=(*o)->name;
+        final_shader+=";\n";
+
+        ++o;
+    }
+
+    return(true);
+}
 SHADERGEN_NAMESPACE_END
\ No newline at end of file