[WIP]

inc/hgl/shadergen/ShaderCreateInfo.h

@@ -52,6 +52,9 @@ protected:
     virtual bool ProcLayout(){return(true);}
 
     virtual bool ProcInput(ShaderCreateInfo *);
+
+    virtual bool IsEmptyOutput()const=0;
+    virtual void GetOutputStrcutString(AnsiString &){}
     virtual bool ProcOutput();
 
     virtual bool ProcStruct();

inc/hgl/shadergen/ShaderCreateInfoFragment.h

@@ -11,10 +11,13 @@ class ShaderCreateInfoFragment:public ShaderCreateInfo
 
 protected:
 
+    bool IsEmptyOutput()const override{return false;/*这个返回啥无所谓，因为Fragment Shader走自己的ProcOutput*/ }
     bool ProcOutput() override;
+    
+    void AddMaterialInstanceOutput() override{};
 
 public:
-
+    
     ShaderDescriptorInfo *GetSDI()override{return &fsdi;}
 
 public:

inc/hgl/shadergen/ShaderCreateInfoGeometry.h

@@ -13,6 +13,9 @@ class ShaderCreateInfoGeometry:public ShaderCreateInfo
     uint32_t max_vertices;
 
 public:
+    
+    bool IsEmptyOutput()const override{return gsdi.IsEmptyOutput();}
+    void GetOutputStrcutString(AnsiString &str) override;
 
     ShaderDescriptorInfo *GetSDI()override{return &gsdi;}
 

inc/hgl/shadergen/ShaderCreateInfoVertex.h

@@ -13,6 +13,9 @@ namespace hgl
 
             bool ProcSubpassInput();
             bool ProcInput(ShaderCreateInfo *) override;
+            
+            bool IsEmptyOutput()const override{return vsdi.IsEmptyOutput();}
+            void GetOutputStrcutString(AnsiString &str) override;
 
         public:
 

inc/hgl/shadergen/ShaderDescriptorInfo.h

@@ -80,6 +80,9 @@ public:
 
     IArray &GetInput(){return input;}
     OArray &GetOutput(){return output;}
+
+    const bool IsEmptyInput()const{return input.IsEmpty();}
+    const bool IsEmptyOutput()const{return output.IsEmpty();}
 };//class CustomShaderDescriptorInfo
 
 class VertexShaderDescriptorInfo:public CustomShaderDescriptorInfo<VK_SHADER_STAGE_VERTEX_BIT,VIAArray,VIA,SVArray,ShaderVariable  >