OK???? 3rd_draw_triangle_use_RenderList run OK!.

inc/hgl/graph/MaterialRenderList.h

@@ -1,5 +1,6 @@
 #pragma once
 #include<hgl/graph/RenderNode.h>
+#include<hgl/graph/VKVBOList.h>
 
 VK_NAMESPACE_BEGIN
 struct RenderExtraBuffer;
@@ -42,9 +43,7 @@ private:
 
 protected:
 
-    uint32_t binding_count;
-    VkBuffer *buffer_list;
-    VkDeviceSize *buffer_offset;
+            VBOList *           vbo_list;
 
             MaterialInstance *  last_mi;
             Pipeline *          last_pipeline;

inc/hgl/graph/VKCommandBuffer.h

@@ -2,6 +2,7 @@
 #define HGL_GRAPH_VULKAN_COMMAND_BUFFER_INCLUDE
 
 #include<hgl/graph/VK.h>
+#include<hgl/graph/VKVBOList.h>
 #include<hgl/graph/VKPipeline.h>
 #include<hgl/graph/VKDescriptorSet.h>
 #include<hgl/color/Color4f.h>
@@ -140,7 +141,7 @@ public:
         return(true);
     }
 
-    bool BindDescriptorSets(Renderable *ri);
+    bool BindDescriptorSets(Material *);
 
     bool PushDescriptorSet(VkPipelineLayout pipeline_layout,uint32_t set,uint32_t count,const VkWriteDescriptorSet *write_desc_set)
     {
@@ -160,6 +161,17 @@ public:
         vkCmdBindVertexBuffers(cmd_buf,first,count,vbo,offsets);
     }
 
+    bool BindVBO(VBOList *vbo_list)
+    {
+        if(!vbo_list)return(false);
+
+        if(!vbo_list->IsFull())return(false);
+
+        vkCmdBindVertexBuffers(cmd_buf,0,vbo_list->binding_count,vbo_list->buffer_list,vbo_list->buffer_offset);
+
+        return(true);
+    }
+
     void BindIBO(const IndexBufferData *);
 
     bool BindVBO(Renderable *);

inc/hgl/graph/VKVBOList.h

@@ -0,0 +1,57 @@
+#pragma once
+
+VK_NAMESPACE_BEGIN
+class VBOList
+{
+    uint32_t binding_count;
+    VkBuffer *buffer_list;
+    VkDeviceSize *buffer_offset;
+
+    uint32_t write_count;
+
+    friend class RenderCmdBuffer;
+
+public:
+
+    VBOList(const uint32 bc)
+    {
+        binding_count=bc;
+        buffer_list=new VkBuffer[binding_count];
+        buffer_offset=new VkDeviceSize[binding_count];
+
+        write_count=0;
+    }
+
+    ~VBOList()
+    {
+        delete[] buffer_offset;
+        delete[] buffer_list;
+    }
+
+    void Restart()
+    {
+        write_count=0;
+    }
+
+    const bool IsFull()const
+    {
+        return write_count>=binding_count;
+    }
+
+    void Add(const VkBuffer buf,const VkDeviceSize offset)
+    {
+        buffer_list[write_count]=buf;
+        buffer_offset[write_count]=offset;
+
+        ++write_count;
+    }
+
+    void Add(const VkBuffer *buf,const VkDeviceSize *offset,const uint32_t count)
+    {
+        hgl_cpy(buffer_list  +write_count,buf,   count);
+        hgl_cpy(buffer_offset+write_count,offset,count);
+
+        write_count+=count;
+    }
+};//class VBOList
+VK_NAMESPACE_END

inc/hgl/graph/mtl/UBOCommon.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 
 #include<hgl/graph/mtl/StdMaterial.h>
 #include<hgl/graph/mtl/ShaderBuffer.h>
@@ -42,6 +42,18 @@ constexpr const ShaderBufferSource SBS_CameraInfo=
     float znear,zfar;)"
 };
 
+// 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_MaterialInstanceData=