diff --git a/inc/hgl/graph/VKTextureCreateInfo.h b/inc/hgl/graph/VKTextureCreateInfo.h
index 971fbb49..71483d5d 100644
--- a/inc/hgl/graph/VKTextureCreateInfo.h
+++ b/inc/hgl/graph/VKTextureCreateInfo.h
@@ -3,16 +3,6 @@
 
 #include<hgl/graph/VK.h>
 VK_NAMESPACE_BEGIN
-struct TextureData
-{
-    GPUMemory *         memory      =nullptr;
-    VkImage             image       =VK_NULL_HANDLE;
-    VkImageLayout       image_layout=VK_IMAGE_LAYOUT_UNDEFINED;
-    ImageView *         image_view  =nullptr;
-    uint32              miplevel    =0;
-    VkImageTiling       tiling      =VK_IMAGE_TILING_OPTIMAL;
-};//struct TextureData
-
 struct TextureCreateInfo
 {
     VkExtent3D          extent;
@@ -297,5 +287,41 @@ struct SwapchainDepthTextureCreateInfo:public TextureCreateInfo
                             ImageTiling::Optimal,
                             VK_IMAGE_LAYOUT_UNDEFINED){}
 };//struct SwapchainColorTextureCreateInfo:public TextureCreateInfo
+
+struct TextureData
+{
+    GPUMemory *         memory      =nullptr;
+    VkImage             image       =VK_NULL_HANDLE;
+    VkImageLayout       image_layout=VK_IMAGE_LAYOUT_UNDEFINED;
+    ImageView *         image_view  =nullptr;
+    uint32              miplevel    =0;
+    VkImageTiling       tiling      =VK_IMAGE_TILING_OPTIMAL;
+
+public:
+
+    TextureData()
+    {
+        memory      =nullptr;
+        image       =VK_NULL_HANDLE;
+        image_layout=VK_IMAGE_LAYOUT_UNDEFINED;
+        image_view  =nullptr;
+        miplevel    =0;
+        tiling      =VK_IMAGE_TILING_OPTIMAL;
+    }
+
+    TextureData(const TextureCreateInfo *tci)
+    {
+        memory      =tci->memory;
+        image       =tci->image;
+        image_view  =tci->image_view;
+        miplevel    =tci->target_mipmaps;
+        tiling      =VkImageTiling(tci->tiling);
+
+        if(!tci->buffer&&!tci->pixels&&tci->image_layout==VK_IMAGE_LAYOUT_UNDEFINED)
+            image_layout=VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+        else        
+            image_layout=tci->image_layout;
+    }
+};//struct TextureData
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_VULKAN_TEXTURE_CREATE_INFO_INCLUDE
\ No newline at end of file
diff --git a/src/RenderDevice/VKDeviceTexture.cpp b/src/RenderDevice/VKDeviceTexture.cpp
index 173368a2..73fa60dc 100644
--- a/src/RenderDevice/VKDeviceTexture.cpp
+++ b/src/RenderDevice/VKDeviceTexture.cpp
@@ -25,6 +25,12 @@ namespace
             imageSubresource.aspectMask=aspect_mask;
         }
 
+        BufferImageCopy(const Texture2D *tex):BufferImageCopy()
+        {
+            imageSubresource.aspectMask=tex->GetAspect();
+            SetRectScope(0,0,tex->GetWidth(),tex->GetHeight());
+        }
+
         void Set(const VkImageAspectFlags aspect_mask,const uint32_t layer_count)
         {
             imageSubresource.aspectMask=aspect_mask;
@@ -186,17 +192,7 @@ Texture2D *GPUDevice::CreateTexture2D(TextureCreateInfo *tci)
     if(!tci->image_view)
         tci->image_view=CreateImageView2D(attr->device,tci->format,tci->extent,tci->target_mipmaps,tci->aspect,tci->image);
 
-    TextureData *tex_data=new TextureData;
-
-    tex_data->memory        = tci->memory;
-    tex_data->image_layout  = tci->image_layout;
-    tex_data->image         = tci->image;
-    tex_data->image_view    = tci->image_view;
-    tex_data->miplevel      = tci->target_mipmaps;
-    tex_data->tiling        = VkImageTiling(tci->tiling);
-
-    if(!tci->buffer&&!tci->pixels&&tci->image_layout==VK_IMAGE_LAYOUT_UNDEFINED)
-        tex_data->image_layout=VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+    TextureData *tex_data=new TextureData(tci);
 
     Texture2D *tex=CreateTexture2D(tex_data);
 
@@ -305,9 +301,7 @@ bool GPUDevice::CommitTexture2D(Texture2D *tex,GPUBuffer *buf,uint32_t width,uin
 {
     if(!tex||!buf)return(false);
 
-    BufferImageCopy buffer_image_copy(tex->GetAspect());
-
-    buffer_image_copy.SetRectScope(0,0,width,height);
+    BufferImageCopy buffer_image_copy(tex);
     
     return CommitTexture2D(tex,buf,&buffer_image_copy,1,miplevel,destinationStage);
 }
@@ -401,9 +395,7 @@ bool GPUDevice::ChangeTexture2D(Texture2D *tex,GPUBuffer *buf,uint32_t left,uint
      ||width<=0||height<=0)
         return(false);
 
-    BufferImageCopy buffer_image_copy(tex->GetAspect());
-
-    buffer_image_copy.SetRectScope(left,top,width,height);
+    BufferImageCopy buffer_image_copy(tex);
     
     texture_cmd_buf->Begin();
     bool result=CommitTexture2D(tex,buf,&buffer_image_copy,1,miplevel,destinationStage);