diff --git a/CMSceneGraph b/CMSceneGraph
index 809fa8d4..b7789d3b 160000
--- a/CMSceneGraph
+++ b/CMSceneGraph
@@ -1 +1 @@
-Subproject commit 809fa8d4c73a810233e3ba6dd8c42a421a3ca9e9
+Subproject commit b7789d3b190855d3af0146b34af84f0247b5d242
diff --git a/inc/hgl/shadergen/MaterialCreater.h b/inc/hgl/shadergen/MaterialCreater.h
index eb6a03a1..acc30f4b 100644
--- a/inc/hgl/shadergen/MaterialCreater.h
+++ b/inc/hgl/shadergen/MaterialCreater.h
@@ -22,10 +22,6 @@ class MaterialCreater
     ShaderCreaterGeometry *geom;
     ShaderCreaterFragment *frag;
 
-private:
-
-    void SetContext();
-
 public:
 
     bool hasShader(const VkShaderStageFlagBits ss)const{return shader_stage&ss;}
diff --git a/inc/hgl/shadergen/ShaderCreater.h b/inc/hgl/shadergen/ShaderCreater.h
index bed17221..4a5c1420 100644
--- a/inc/hgl/shadergen/ShaderCreater.h
+++ b/inc/hgl/shadergen/ShaderCreater.h
@@ -12,6 +12,16 @@ protected:
 
     AnsiString shader_codes;
 
+    AnsiString output_struct;
+
+    AnsiString final_shader;
+
+protected:
+
+    virtual void ProcHeader(){}
+    virtual void ProcInput();
+    virtual void ProcOutput();
+
 public:
 
     ShaderDescriptorManager sdm;
@@ -35,6 +45,10 @@ public:
         shader_codes=str;
     }
 
+    const AnsiString &GetOutputStruct()const{return output_struct;}
+
+    bool CreateShader(ShaderCreater *);
+
     bool CompileToSPV();
 };//class ShaderCreater
 SHADERGEN_NAMESPACE_END
diff --git a/inc/hgl/shadergen/ShaderCreaterVertex.h b/inc/hgl/shadergen/ShaderCreaterVertex.h
index c13f7add..d9906f75 100644
--- a/inc/hgl/shadergen/ShaderCreaterVertex.h
+++ b/inc/hgl/shadergen/ShaderCreaterVertex.h
@@ -5,6 +5,8 @@
 SHADERGEN_NAMESPACE_BEGIN
 class ShaderCreaterVertex:public ShaderCreater
 {
+    virtual void ProcInput() override;
+
 public:
 
     ShaderCreaterVertex():ShaderCreater(VK_SHADER_STAGE_VERTEX_BIT){}
diff --git a/inc/hgl/shadergen/ShaderDescriptorManager.h b/inc/hgl/shadergen/ShaderDescriptorManager.h
index 305a8dec..8e1b10a5 100644
--- a/inc/hgl/shadergen/ShaderDescriptorManager.h
+++ b/inc/hgl/shadergen/ShaderDescriptorManager.h
@@ -16,6 +16,8 @@ using ConstSamplerDescriptorList=List<const SamplerDescriptor *>;
 */
 class ShaderDescriptorManager
 {
+    VkShaderStageFlagBits shader_stage;
+
     ShaderStageIO stage_io;
     
     //ubo/object在这里以及MaterialDescriptorManager中均有一份，mdm中的用于产生set/binding号，这里的用于产生shader
@@ -32,12 +34,9 @@ public:
     ShaderDescriptorManager(VkShaderStageFlagBits);
     ~ShaderDescriptorManager()=default;
 
-    const VkShaderStageFlagBits GetStageBits()const { return stage_io.cur; }
-    const AnsiString            GetStageName()const { return AnsiString(GetShaderStageName(stage_io.cur)); }
+    const VkShaderStageFlagBits GetStageBits()const { return shader_stage; }
+    const AnsiString            GetStageName()const { return AnsiString(GetShaderStageName(shader_stage)); }
    
-    void SetPrevShader(VkShaderStageFlagBits prev) { stage_io.prev=prev; }
-    void SetNextShader(VkShaderStageFlagBits next) { stage_io.next=next; }
-
 public:
 
     const ShaderStageIO &                       GetShaderStageIO()const{return stage_io;}
diff --git a/src/ShaderGen/MaterialCreater.cpp b/src/ShaderGen/MaterialCreater.cpp
index d0078e60..56a4d651 100644
--- a/src/ShaderGen/MaterialCreater.cpp
+++ b/src/ShaderGen/MaterialCreater.cpp
@@ -93,59 +93,26 @@ bool MaterialCreater::AddSampler(const VkShaderStageFlagBits flag_bit,const Desc
     }
 }
 
-void MaterialCreater::SetContext()
-{
-    //ShaderMap使用ObjectMap保存,ObjectMap本质附带排序功能，所以这里无需再排序，直接设定prev,next即可
-
-    LOG_INFO("Resort Shader.");
-
-    ShaderCreater *prev,*cur,*next;
-
-    auto *it=shader_map.GetDataList();
-
-    const int count=shader_map.GetCount();
-
-    for(int i=0; i<count; i++)
-    {
-        cur=(*it)->right;
-        ++it;
-
-        if(i>0)
-            cur->sdm.SetPrevShader(prev->GetShaderStage());
-
-        if(i<count-1)
-        {
-            next=(*it)->right;
-            cur->sdm.SetNextShader(next->GetShaderStage());
-        }
-
-#ifdef _DEBUG
-        cur->sdm.DebugOutput(i);
-#endif//_DEBUG
-            
-        prev=cur;
-    }
-}
-
 bool MaterialCreater::CompileShader()
 {
     if(shader_map.IsEmpty())
         return(false);
 
-    SetContext();       //设定上下文
-
-    ShaderCreater *sc;
+    ShaderCreater *sc,*last=nullptr;
 
     for(int i=0;i<shader_map.GetCount();i++)
     {
         if(!shader_map.GetValue(i,sc))
             return(false);
 
-        if(!sc->CompileToSPV())
-            return(false);
+        sc->CreateShader(last);
+
+        //if(!sc->CompileToSPV())
+            //return(false);
+
+        last=sc;
     }
 
     return(true);
-    
 }
 SHADERGEN_NAMESPACE_END
diff --git a/src/ShaderGen/ShaderCreater.cpp b/src/ShaderGen/ShaderCreater.cpp
index 5dd7a382..a2341bf6 100644
--- a/src/ShaderGen/ShaderCreater.cpp
+++ b/src/ShaderGen/ShaderCreater.cpp
@@ -17,12 +17,48 @@ int ShaderCreater::AddOutput(const AnsiString &type,const AnsiString &name)
 {
     VAT vat;
 
+    if(name.IsEmpty())
+        return -1;
+
     if(!ParseVertexAttribType(&vat,type))
-        return(-2);
+        return -2;
 
     return AddOutput(vat,name);
 }
 
+void ShaderCreater::ProcInput()
+{
+    
+}
+
+void ShaderCreater::ProcOutput()
+{
+    final_shader+="layout(location=0) out ";
+    final_shader+=GetShaderStageName(shader_stage);
+    final_shader+="_Output\n{";
+
+    output_struct.Clear();
+
+    for(auto *ss:sdm.GetShaderStageIO().output)
+    {
+        output_struct+="\t";
+        output_struct+=GetShaderStageTypeName(ss);
+        output_struct+=" ";
+        output_struct+=ss->name;
+        output_struct+=";\n";
+    }
+
+    final_shader+=output_struct;
+    final_shader+="}Output;\n\n";
+}
+
+bool ShaderCreater::CreateShader(ShaderCreater *last_sc)
+{
+    final_shader="#version 460 core\n";
+
+    
+}
+
 bool ShaderCreater::CompileToSPV()
 {
     if(shader_codes.IsEmpty())
diff --git a/src/ShaderGen/ShaderCreaterVertex.cpp b/src/ShaderGen/ShaderCreaterVertex.cpp
index a988d2d5..1a74d0e5 100644
--- a/src/ShaderGen/ShaderCreaterVertex.cpp
+++ b/src/ShaderGen/ShaderCreaterVertex.cpp
@@ -22,4 +22,24 @@ int ShaderCreaterVertex::AddInput(const AnsiString &type,const AnsiString &name)
 
     return AddInput(vat,name);
 }
+
+void ShaderCreaterVertex::ProcInput()
+{    
+    const auto &io=sdm.GetShaderStageIO();
+
+    if(!io.input.IsEmpty())
+    {
+        for(auto *ss:io.input)
+        {
+            final_shader+="layout(location=";
+            final_shader+=UTF8String::numberOf(ss->location);
+            final_shader+=") in ";
+            final_shader+=UTF8String(GetShaderStageTypeName(ss));
+            final_shader+="\t"+UTF8String(ss->name);
+            final_shader+=";\n";
+        }
+
+        final_shader+="\n";
+    }
+}
 SHADERGEN_NAMESPACE_END
diff --git a/src/ShaderGen/ShaderDescriptorManager.cpp b/src/ShaderGen/ShaderDescriptorManager.cpp
index 9c963b6e..46b54b58 100644
--- a/src/ShaderGen/ShaderDescriptorManager.cpp
+++ b/src/ShaderGen/ShaderDescriptorManager.cpp
@@ -1,11 +1,9 @@
 #include<hgl/shadergen/ShaderDescriptorManager.h>
 
 SHADERGEN_NAMESPACE_BEGIN
-ShaderDescriptorManager::ShaderDescriptorManager(VkShaderStageFlagBits cur)
+ShaderDescriptorManager::ShaderDescriptorManager(VkShaderStageFlagBits flag_bit)
 {
-    stage_io.cur=cur;
-    stage_io.prev=(VkShaderStageFlagBits)0;
-    stage_io.next=(VkShaderStageFlagBits)0;
+    shader_stage=flag_bit;
     
     hgl_zero(push_constant);
 }
@@ -101,13 +99,9 @@ void ShaderDescriptorManager::SetPushConstant(const UTF8String name,uint8_t offs
 #ifdef _DEBUG
 void ShaderDescriptorManager::DebugOutput(int index)
 {
-    UTF8String name=GetShaderStageName(stage_io.cur);
-    UTF8String prev_name=GetShaderStageName(stage_io.prev);
-    UTF8String next_name=GetShaderStageName(stage_io.next);
+    UTF8String name=GetStageName();
     
     LOG_INFO(UTF8String::numberOf(index)+": "+name+" shader");
-    LOG_INFO("\tprev next is "+prev_name);
-    LOG_INFO("\tnext next is "+next_name);
 
     if(stage_io.input.GetCount()>0)
     {