diff --git a/CMSceneGraph b/CMSceneGraph
index cf93f6e0..ea88b9fa 160000
--- a/CMSceneGraph
+++ b/CMSceneGraph
@@ -1 +1 @@
-Subproject commit cf93f6e0910d96ffd8dd840209f6e65f162e1cd9
+Subproject commit ea88b9fa13b816293530be9232f9ce5a529944ae
diff --git a/CMUtil b/CMUtil
index 8ce98c85..be9122db 160000
--- a/CMUtil
+++ b/CMUtil
@@ -1 +1 @@
-Subproject commit 8ce98c85a397921277cd19a91993b6724bf1d391
+Subproject commit be9122db80512d3c046fe68b3b9948dd2078dec7
diff --git a/inc/hgl/graph/VK.h b/inc/hgl/graph/VK.h
index 6ab2e453..f0afc2fe 100644
--- a/inc/hgl/graph/VK.h
+++ b/inc/hgl/graph/VK.h
@@ -62,6 +62,14 @@ class IndexBuffer;
 class GPUCmdBuffer;
 class RenderCmdBuffer;
 class TextureCmdBuffer;
+
+enum class RenderPassTypeBy
+{
+    Simple=0,
+    Normal,
+    Verbose
+};//
+
 class RenderPass;
 class GPUFence;
 class GPUSemaphore;
diff --git a/inc/hgl/graph/VKDevice.h b/inc/hgl/graph/VKDevice.h
index 03469b20..eb1e30a5 100644
--- a/inc/hgl/graph/VKDevice.h
+++ b/inc/hgl/graph/VKDevice.h
@@ -211,12 +211,17 @@ public: //Command Buffer 相关
     RenderCmdBuffer * CreateRenderCommandBuffer();
     TextureCmdBuffer *CreateTextureCommandBuffer();
     
+private:
+
     RenderPass *    CreateRenderPass(   const List<VkAttachmentDescription> &desc_list,
                                         const List<VkSubpassDescription> &subpass,
                                         const List<VkSubpassDependency> &dependency,
-                                        const RenderbufferInfo *);
+                                        const RenderbufferInfo *,
+                                        const RenderPassTypeBy &type_by=RenderPassTypeBy::Verbose);
 
-    RenderPass *    CreateRenderPass(   const RenderbufferInfo *);
+public:
+
+    RenderPass *    AcquireRenderPass(   const RenderbufferInfo *,const RenderPassTypeBy &type_by=RenderPassTypeBy::Normal);
 
     GPUFence *      CreateFence(bool);
     GPUSemaphore *  CreateGPUSemaphore();
@@ -232,14 +237,13 @@ public:
 
     bool SubmitTexture      (const VkCommandBuffer *cmd_bufs,const uint32_t count=1);           ///<提交纹理处理到队列
     
-    RenderTarget *CreateRenderTarget(   Framebuffer *,const uint32_t fence_count=1);
-
+    RenderTarget *CreateRenderTarget(   const FramebufferInfo *fbi,RenderPass *,const uint32_t fence_count=1);
     RenderTarget *CreateRenderTarget(   const FramebufferInfo *fbi,const uint32_t fence_count=1);
     
 public:
 
-    Pipeline *CreatePipeline(const InlinePipeline &,const Material *,const RenderTarget *);
     Pipeline *CreatePipeline(      PipelineData *,  const Material *,const RenderTarget *);
+    Pipeline *CreatePipeline(const InlinePipeline &,const Material *,const RenderTarget *);
 
 public:
 
diff --git a/inc/hgl/graph/VKPipeline.h b/inc/hgl/graph/VKPipeline.h
index c449805a..4d011d56 100644
--- a/inc/hgl/graph/VKPipeline.h
+++ b/inc/hgl/graph/VKPipeline.h
@@ -14,10 +14,23 @@ class Pipeline
 
     bool alpha_test;
     bool alpha_blend;
+    
+private:
+
+    friend class GPUDevice;
+
+    Pipeline(VkDevice dev,VkPipeline p,PipelineData *pd)
+    {
+        device=dev;
+        pipeline=p;
+        data=pd;
+
+        alpha_test=false;
+        alpha_blend=false;
+    }
 
 public:
 
-    Pipeline(VkDevice dev,VkPipeline p,PipelineData *pd):device(dev),pipeline(p),data(pd){}
     virtual ~Pipeline();
 
     operator VkPipeline(){return pipeline;}
diff --git a/src/GUI/ThemeEngine.cpp b/src/GUI/ThemeEngine.cpp
index 6454284c..6e6d2f9f 100644
--- a/src/GUI/ThemeEngine.cpp
+++ b/src/GUI/ThemeEngine.cpp
@@ -49,7 +49,7 @@ namespace hgl
             RenderTarget *rt=CreateRenderTarget(size.x,size.y,format);
 
             if(!rt)return(false);
-            
+           
             ThemeForm *tf=CreateForm(f,rt);
 
             form_list.Add(f,tf);
diff --git a/src/SceneGraph/CMakeLists.txt b/src/SceneGraph/CMakeLists.txt
index 7d8bfd8d..d62d4da8 100644
--- a/src/SceneGraph/CMakeLists.txt
+++ b/src/SceneGraph/CMakeLists.txt
@@ -119,6 +119,7 @@ SET(VK_DEVICE_SOURCE    ${SG_INCLUDE_PATH}/VKDevice.h
                         Vulkan/VKDeviceImage.cpp
                         Vulkan/VKDeviceTexture.cpp
                         Vulkan/VKDeviceMaterial.cpp
+                        Vulkan/VKDevicePipeline.cpp
                         Vulkan/VKDeviceFramebuffer.cpp
                         Vulkan/VKDeviceSwapchain.cpp
                         Vulkan/VKDeviceRenderPass.cpp
diff --git a/src/SceneGraph/Vulkan/VKDeviceRenderPass.cpp b/src/SceneGraph/Vulkan/VKDeviceRenderPass.cpp
index 92d629aa..7391368c 100644
--- a/src/SceneGraph/Vulkan/VKDeviceRenderPass.cpp
+++ b/src/SceneGraph/Vulkan/VKDeviceRenderPass.cpp
@@ -234,14 +234,14 @@ namespace
         delete hash;
     }
 
-    static Map<RenderPassHASHCode,RenderPass *> RenderPassList;
+    static Map<RenderPassHASHCode,RenderPass *> RenderPassListByVerbose;
 }
 
-RenderPass *GPUDevice::CreateRenderPass(const RenderpassTypeBy &type_by,
-                                        const List<VkAttachmentDescription> &desc_list,
+RenderPass *GPUDevice::CreateRenderPass(const List<VkAttachmentDescription> &desc_list,
                                         const List<VkSubpassDescription> &subpass,
                                         const List<VkSubpassDependency> &dependency,
-                                        const RenderbufferInfo *rbi)
+                                        const RenderbufferInfo *rbi,
+                                        const RenderPassTypeBy &type_by)
 {
     for(const VkFormat cf:rbi->GetColorFormatList())
     {
@@ -269,15 +269,17 @@ RenderPass *GPUDevice::CreateRenderPass(const RenderpassTypeBy &type_by,
     rp_info.pSubpasses      = subpass.GetData();
     rp_info.dependencyCount = dependency.GetCount();
     rp_info.pDependencies   = dependency.GetData();
-
+    
     RenderPassHASHCode code;
+    RenderPass *rp=nullptr;
 
-    HashRenderPass(&code,rp_info);
+    if(type_by==RenderPassTypeBy::Verbose)
+    {
+        HashRenderPass(&code,rp_info);
 
-    RenderPass *rp;
-
-    if(RenderPassList.Get(code,rp))
-        return rp;
+        if(RenderPassListByVerbose.Get(code,rp))
+            return rp;
+    }
 
     VkRenderPass render_pass;
 
@@ -286,17 +288,47 @@ RenderPass *GPUDevice::CreateRenderPass(const RenderpassTypeBy &type_by,
 
     rp=new RenderPass(attr->device,render_pass,rbi->GetColorFormatList(),depth_format);
 
-    RenderPassList.Add(code,rp);
+    if(type_by==RenderPassTypeBy::Verbose)
+        RenderPassListByVerbose.Add(code,rp);
 
     return rp;
 }
 
-RenderPass *GPUDevice::CreateRenderPass(const RenderpassTypeBy &type_by,const RenderbufferInfo *rbi)
+namespace
+{
+    void HashRenderPass(RenderPassHASHCode *code,const RenderbufferInfo *rbi)
+    {       
+        util::Hash *hash=util::CreateSHA1LEHash();
+
+        hash->Init();
+
+        for(const VkFormat &fmt:rbi->GetColorFormatList())
+            hash->Write(fmt);
+
+        hash->Final(&code);
+        delete hash;
+    }
+
+    static Map<RenderPassHASHCode,RenderPass *> RenderPassListByNormal;
+}//namespace
+
+RenderPass *GPUDevice::AcquireRenderPass(const RenderbufferInfo *rbi,const RenderPassTypeBy &type_by)
 {
     for(const VkFormat &fmt:rbi->GetColorFormatList())
         if(!attr->physical_device->IsColorAttachmentOptimal(fmt))
             return(nullptr);
 
+    RenderPassHASHCode code;
+    RenderPass *rp=nullptr;
+
+    if(type_by==RenderPassTypeBy::Normal)
+    {
+        HashRenderPass(&code,rbi);
+
+        if(RenderPassListByNormal.Get(code,rp))
+            return rp;
+    }
+
     List<VkAttachmentReference> color_ref_list;
     VkAttachmentReference depth_ref;
     List<VkAttachmentDescription> atta_desc_list;
@@ -323,6 +355,11 @@ RenderPass *GPUDevice::CreateRenderPass(const RenderpassTypeBy &type_by,const Re
 
     CreateSubpassDependency(subpass_dependency_list,2);
 
-    return CreateRenderPass(type_by,atta_desc_list,subpass_desc_list,subpass_dependency_list,rbi);
+    rp=CreateRenderPass(atta_desc_list,subpass_desc_list,subpass_dependency_list,rbi,type_by);
+
+    if(type_by==RenderPassTypeBy::Normal)
+        RenderPassListByNormal.Add(code,rp);
+
+    return rp;
 }
 VK_NAMESPACE_END
diff --git a/src/SceneGraph/Vulkan/VKDeviceRenderTarget.cpp b/src/SceneGraph/Vulkan/VKDeviceRenderTarget.cpp
index a5133aac..f77d7ac6 100644
--- a/src/SceneGraph/Vulkan/VKDeviceRenderTarget.cpp
+++ b/src/SceneGraph/Vulkan/VKDeviceRenderTarget.cpp
@@ -1,17 +1,9 @@
 #include<hgl/graph/VKDevice.h>
 
 VK_NAMESPACE_BEGIN
-RenderTarget *GPUDevice::CreateRenderTarget(Framebuffer *fb,const uint32_t fence_count)
-{
-    return(new RenderTarget(this,fb,fence_count));
-}
-
-RenderTarget *GPUDevice::CreateRenderTarget(const FramebufferInfo *fbi,const uint32_t fence_count)
+RenderTarget *GPUDevice::CreateRenderTarget(const FramebufferInfo *fbi,RenderPass *rp,const uint32_t fence_count)
 {
     if(!fbi)return(nullptr);
-
-    RenderPass *rp=CreateRenderPass(RenderpassTypeBy::Format,fbi);       //Renderpass内部会验证格式，所以不需要自己处理
-
     if(!rp)return(nullptr);
 
     const uint32_t color_count=fbi->GetColorCount();
@@ -51,7 +43,17 @@ RenderTarget *GPUDevice::CreateRenderTarget(const FramebufferInfo *fbi,const uin
     }
 
     SAFE_CLEAR(depth_texture);
-    delete rp;
     return nullptr;
 }
+
+RenderTarget *GPUDevice::CreateRenderTarget(const FramebufferInfo *fbi,const uint32_t fence_count)
+{
+    if(!fbi)return(nullptr);
+
+    RenderPass *rp=AcquireRenderPass(fbi,RenderPassTypeBy::Normal);
+
+    if(!rp)return(nullptr);
+
+    return CreateRenderTarget(fbi,rp,fence_count);
+}
 VK_NAMESPACE_END
\ No newline at end of file
diff --git a/src/SceneGraph/Vulkan/VKSwapchainRenderTarget.cpp b/src/SceneGraph/Vulkan/VKSwapchainRenderTarget.cpp
index 08b35c27..9088e50a 100644
--- a/src/SceneGraph/Vulkan/VKSwapchainRenderTarget.cpp
+++ b/src/SceneGraph/Vulkan/VKSwapchainRenderTarget.cpp
@@ -3,19 +3,24 @@
 #include<hgl/graph/VKSemaphore.h>
 
 VK_NAMESPACE_BEGIN
-struct SwapchainFormatHash
+namespace
 {
-    union
+    struct SwapchainFormatHash
     {
-        struct
+        union
         {
-            uint32 color;
-            uint32 depth;
-        };
+            struct
+            {
+                uint32_t color;
+                uint32_t depth;
+            };
 
-        uint64 hash;
-    };
-};//
+            uint64 hashcode;
+        };
+    };//
+
+    static Map<uint64,RenderPass *> RenderpassListBySimple;
+}//namespace
 
 SwapchainRenderTarget::SwapchainRenderTarget(GPUDevice *dev,Swapchain *sc):RenderTarget(dev,nullptr,sc->GetImageCount())
 {
@@ -31,9 +36,21 @@ SwapchainRenderTarget::SwapchainRenderTarget(GPUDevice *dev,Swapchain *sc):Rende
     Texture2D **sc_color=swapchain->GetColorTextures();
     Texture2D *sc_depth=swapchain->GetDepthTexture();
 
-    SwapchainRenderbufferInfo rbi((*sc_color)->GetFormat(),sc_depth->GetFormat());
+    {
+        SwapchainFormatHash sfh;
+    
+        sfh.color=(*sc_color)->GetFormat();
+        sfh.depth=sc_depth->GetFormat();
 
-    this->render_pass=device->CreateRenderPass(RenderpassTypeBy::Simple,&rbi);
+        if(!RenderpassListBySimple.Get(sfh.hashcode,this->render_pass))
+        {
+            SwapchainRenderbufferInfo rbi((*sc_color)->GetFormat(),sc_depth->GetFormat());
+
+            this->render_pass=device->AcquireRenderPass(&rbi,RenderPassTypeBy::Simple);
+
+            RenderpassListBySimple.Add(sfh.hashcode,this->render_pass);
+        }
+    }
 
     swap_chain_count=swapchain->GetImageCount();