diff --git a/CMSceneGraph b/CMSceneGraph
index 97c907b8..dbc1852e 160000
--- a/CMSceneGraph
+++ b/CMSceneGraph
@@ -1 +1 @@
-Subproject commit 97c907b8bff43cdecafbf1678868aaaab9930925
+Subproject commit dbc1852e400fda52b358d72e5e7d4464f0e01ae0
diff --git a/inc/hgl/graph/VKDeviceRenderPassManage.h b/inc/hgl/graph/VKDeviceRenderPassManage.h
index e646ce7a..11f3fbb6 100644
--- a/inc/hgl/graph/VKDeviceRenderPassManage.h
+++ b/inc/hgl/graph/VKDeviceRenderPassManage.h
@@ -31,7 +31,7 @@ private:
                                         const List<VkSubpassDependency> &dependency,
                                         const RenderbufferInfo *);
 
-    RenderPass *    AcquireRenderPass(   const RenderbufferInfo *);
+    RenderPass *    AcquireRenderPass(   const RenderbufferInfo *,const uint subpass_count=2);
 };//class DeviceRenderPassManage
 VK_NAMESPACE_END
 #endif//HGL_VULKAN_DEVICE_RENDERPASS_MANAGE_INCLUDE
diff --git a/src/SceneGraph/Vulkan/VKDeviceRenderPassManage.cpp b/src/SceneGraph/Vulkan/VKDeviceRenderPassManage.cpp
index 3fb7659d..9bacbc6a 100644
--- a/src/SceneGraph/Vulkan/VKDeviceRenderPassManage.cpp
+++ b/src/SceneGraph/Vulkan/VKDeviceRenderPassManage.cpp
@@ -236,12 +236,14 @@ namespace
 //        delete hash;
 //    }
 
-    void HashRenderPass(RenderPassHASHCode *code,const RenderbufferInfo *rbi)
+    void HashRenderPass(RenderPassHASHCode *code,const RenderbufferInfo *rbi,const uint8 subpass_count)
     {       
         util::Hash *hash=util::CreateSHA1LEHash();
 
         hash->Init();
 
+        hash->Write<uint8>(subpass_count);
+
         for(const VkFormat &fmt:rbi->GetColorFormatList())
             hash->Write(fmt);
 
@@ -276,12 +278,12 @@ RenderPass *DeviceRenderPassManage::CreateRenderPass(   const List<VkAttachmentD
     return(new RenderPass(device,pipeline_cache,render_pass,rbi->GetColorFormatList(),depth_format));
 }
 
-RenderPass *DeviceRenderPassManage::AcquireRenderPass(const RenderbufferInfo *rbi)
+RenderPass *DeviceRenderPassManage::AcquireRenderPass(const RenderbufferInfo *rbi,const uint subpass_count)
 {
     RenderPassHASHCode hash;
     RenderPass *rp=nullptr;
 
-    HashRenderPass(&hash,rbi);
+    HashRenderPass(&hash,rbi,subpass_count);
 
     if(RenderPassList.Get(hash,rp))
         return rp;
@@ -307,7 +309,7 @@ RenderPass *DeviceRenderPassManage::AcquireRenderPass(const RenderbufferInfo *rb
         subpass_desc_list.Add(SubpassDescription(color_ref_list.GetData(),color_ref_list.GetCount()));
     }
 
-    CreateSubpassDependency(subpass_dependency_list,2);
+    CreateSubpassDependency(subpass_dependency_list,subpass_count);
 
     rp=CreateRenderPass(atta_desc_list,subpass_desc_list,subpass_dependency_list,rbi);