first step OK that it's to resumed to use L2W in VertexInputStream.

inc/hgl/graph/MaterialRenderList.h

@@ -39,6 +39,10 @@ private:
     DataArray<RenderItem> ri_array;
     uint ri_count;
 
+    bool has_l2w;
+    bool has_mi;
+    VkDeviceSize l2w_buffer_size[4];
+
     void StatMI();
     void Stat();
 
@@ -56,7 +60,7 @@ protected:
 
 public:
 
-    MaterialRenderList(GPUDevice *d,Material *m);
+    MaterialRenderList(GPUDevice *d,bool l2w,Material *m);
     ~MaterialRenderList();
 
     void Add(Renderable *ri,const Matrix4f &mat);

inc/hgl/graph/VKMaterial.h

@@ -69,7 +69,6 @@ public:
             }
 
     const   bool                                hasSet                  (const DescriptorSetType &type)const;
-    const   bool                                hasAssign               ()const;
 
     const   VIL *                               GetDefaultVIL()const;
             VIL *                               CreateVIL(const VILConfig *format_map=nullptr);

inc/hgl/graph/VKMemoryAllocator.h

@@ -35,6 +35,8 @@ public:
     void Free() override {/* DON'T RUN ANY OPERATION.*/}
 
     void Flush(const VkDeviceSize);
+
+    bool Write(const void *source,const uint64 offset,const uint64 size) override;
 };//class VKMemoryAllocator:public AbstractMemoryAllocator
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_VULKAN_MEMORY_ALLOCATOR_INCLUDE

inc/hgl/graph/mtl/UBOCommon.h

@@ -45,15 +45,6 @@ constexpr const ShaderBufferSource SBS_CameraInfo=
 // UBO必须严格指定数组的大小
 // SSBO则不需要，使用[]方式指定为动态大小数组
 
-constexpr const ShaderBufferSource SBS_LocalToWorld=
-{
-    "LocalToWorldData",
-    "l2w",
-
-    R"(
-    mat4 mats[L2W_MAX_COUNT];)"
-};
-
 constexpr const char MaterialInstanceStruct[]="MaterialInstance";
 
 constexpr const ShaderBufferSource SBS_MaterialInstance=

inc/hgl/shadergen/MaterialCreateInfo.h

@@ -34,8 +34,6 @@ namespace hgl{namespace graph
             UBODescriptor *mi_ubo;
 
             uint32_t l2w_shader_stage;
-            uint32_t l2w_max_count;
-            UBODescriptor *l2w_ubo;
 
             ShaderCreateInfoMap shader_map;                         ///<着色器列表
 

inc/hgl/shadergen/ShaderCreateInfo.h

@@ -84,8 +84,6 @@ public:
     void SetMaterialInstance(UBODescriptor *,const AnsiString &);
     void AddMaterialInstanceOutput();
 
-    void SetLocalToWorld(UBODescriptor *);
-
     void SetMain(const AnsiString &str){main_function=str;}
     void SetMain(const char *str,const int len)
     {

inc/hgl/shadergen/ShaderCreateInfoVertex.h

@@ -21,8 +21,9 @@ namespace hgl
 
             int hasInput(const char *);
 
+            void AddLocalToWorld();
+            void AddMaterialInstanceID();
             void AddJoint();
-            void AddAssign();
         };//class ShaderCreateInfoVertex:public ShaderCreateInfo
     }//namespace graph
 }//namespace hgl::graph