diff --git a/example/Vulkan/CMakeLists.txt b/example/Vulkan/CMakeLists.txt
index 6b377b5f..7bcb6d38 100644
--- a/example/Vulkan/CMakeLists.txt
+++ b/example/Vulkan/CMakeLists.txt
@@ -10,6 +10,7 @@ SET(VULKAN_TEST_SOURCE_FILES	main.cpp
 								VKFormat.cpp
 								VKInstance.cpp
 								VKPhysicalDevice.cpp
+								VKImageView.cpp
 								VKCommandBuffer.cpp
 								VKDeviceAttribute.cpp
 								VKDeviceCreater.cpp
@@ -31,6 +32,7 @@ SET(VULKAN_TEST_HEADER_FILES	VK.h
 								VKPrimivate.h
 								VKInstance.h
 								VKPhysicalDevice.h
+								VKImageView.h
 								VKCommandBuffer.h
 								VKSurfaceExtensionName.h
 								VKDeviceAttribute.h
diff --git a/example/Vulkan/VKBuffer.h b/example/Vulkan/VKBuffer.h
index 7c03bfba..6a4900d7 100644
--- a/example/Vulkan/VKBuffer.h
+++ b/example/Vulkan/VKBuffer.h
@@ -62,7 +62,7 @@ public:
 
     const VkFormat GetFormat()const { return format; }
     const uint32_t GetStride()const { return stride; }
-    const uint32_t GetCount()const{return count;}
+    const uint32_t GetCount ()const { return count; }
 
     uint8_t *Map(uint32_t start=0,uint32_t size=0) override
     {
diff --git a/example/Vulkan/VKDescriptorSets.cpp b/example/Vulkan/VKDescriptorSets.cpp
index e7fec527..20cab003 100644
--- a/example/Vulkan/VKDescriptorSets.cpp
+++ b/example/Vulkan/VKDescriptorSets.cpp
@@ -53,7 +53,7 @@ DescriptorSets *DescriptorSetLayout::CreateSets()const
     return(new DescriptorSets(device,desc_set));
 }
 
-void DescriptorSetLayoutCreater::Bind(const int binding,VkDescriptorType desc_type,VkShaderStageFlagBits stageFlags)
+void DescriptorSetLayoutCreater::Bind(const uint32_t binding,VkDescriptorType desc_type,VkShaderStageFlagBits stageFlags)
 {
     VkDescriptorSetLayoutBinding layout_binding = {};
     layout_binding.binding = binding;
diff --git a/example/Vulkan/VKDescriptorSets.h b/example/Vulkan/VKDescriptorSets.h
index 8370f2d1..f9f8c8e1 100644
--- a/example/Vulkan/VKDescriptorSets.h
+++ b/example/Vulkan/VKDescriptorSets.h
@@ -54,9 +54,9 @@ public:
     DescriptorSetLayoutCreater(Device *dev):device(dev){}
     ~DescriptorSetLayoutCreater()=default;
 
-    void Bind(const int binding,VkDescriptorType,VkShaderStageFlagBits);
+    void Bind(const uint32_t binding,VkDescriptorType,VkShaderStageFlagBits);
 
-#define DESC_SET_BIND_FUNC(name,vkname) void Bind##name(const int binding,VkShaderStageFlagBits stage_flag){Bind(binding,VK_DESCRIPTOR_TYPE_##vkname,stage_flag);}
+#define DESC_SET_BIND_FUNC(name,vkname) void Bind##name(const uint32_t binding,VkShaderStageFlagBits stage_flag){Bind(binding,VK_DESCRIPTOR_TYPE_##vkname,stage_flag);}
 
     DESC_SET_BIND_FUNC(Sampler,     SAMPLER);
     DESC_SET_BIND_FUNC(UBO,         UNIFORM_BUFFER);
diff --git a/example/Vulkan/VKDevice.cpp b/example/Vulkan/VKDevice.cpp
index f9374323..4d9e0845 100644
--- a/example/Vulkan/VKDevice.cpp
+++ b/example/Vulkan/VKDevice.cpp
@@ -1,6 +1,7 @@
 #include"VKDevice.h"
 #include<hgl/type/Pair.h>
 #include"VKBuffer.h"
+#include"VKImageView.h"
 #include"VKCommandBuffer.h"
 //#include"VKDescriptorSet.h"
 #include"VKRenderPass.h"
@@ -134,28 +135,9 @@ CommandBuffer *Device::CreateCommandBuffer()
     return(new CommandBuffer(attr->device,attr->swapchain_extent,attr->cmd_pool,cmd_buf));
 }
 
-RenderPass *Device::CreateRenderPass()
+RenderPass *Device::CreateRenderPass(VkFormat color_format,VkFormat depth_format)
 {
     VkAttachmentDescription attachments[2];
-    attachments[0].format=attr->format;
-    attachments[0].samples=VK_SAMPLE_COUNT_1_BIT;
-    attachments[0].loadOp=VK_ATTACHMENT_LOAD_OP_CLEAR;
-    attachments[0].storeOp=VK_ATTACHMENT_STORE_OP_STORE;
-    attachments[0].stencilLoadOp=VK_ATTACHMENT_LOAD_OP_DONT_CARE;
-    attachments[0].stencilStoreOp=VK_ATTACHMENT_STORE_OP_DONT_CARE;
-    attachments[0].initialLayout=VK_IMAGE_LAYOUT_UNDEFINED;
-    attachments[0].finalLayout=VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
-    attachments[0].flags=0;
-
-    attachments[1].format=attr->depth.format;
-    attachments[1].samples=VK_SAMPLE_COUNT_1_BIT;
-    attachments[1].loadOp=VK_ATTACHMENT_LOAD_OP_CLEAR;
-    attachments[1].storeOp=VK_ATTACHMENT_STORE_OP_DONT_CARE;
-    attachments[1].stencilLoadOp=VK_ATTACHMENT_LOAD_OP_DONT_CARE;
-    attachments[1].stencilStoreOp=VK_ATTACHMENT_STORE_OP_DONT_CARE;
-    attachments[1].initialLayout=VK_IMAGE_LAYOUT_UNDEFINED;
-    attachments[1].finalLayout=VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
-    attachments[1].flags=0;
 
     VkAttachmentReference color_reference={0,VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL};
     VkAttachmentReference depth_reference={1,VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL};
@@ -164,13 +146,58 @@ RenderPass *Device::CreateRenderPass()
     subpass.pipelineBindPoint=VK_PIPELINE_BIND_POINT_GRAPHICS;
     subpass.flags=0;
     subpass.inputAttachmentCount=0;
-    subpass.pInputAttachments=nullptr;
-    subpass.colorAttachmentCount=1;
-    subpass.pColorAttachments=&color_reference;
+    subpass.pInputAttachments=nullptr;    
     subpass.pResolveAttachments=nullptr;
-    subpass.pDepthStencilAttachment=&depth_reference;
     subpass.preserveAttachmentCount=0;
     subpass.pPreserveAttachments=nullptr;
+    
+    int att_count=0;
+
+    if(color_format!=VK_FORMAT_UNDEFINED)
+    {
+        attachments[0].format=color_format;
+        attachments[0].samples=VK_SAMPLE_COUNT_1_BIT;
+        attachments[0].loadOp=VK_ATTACHMENT_LOAD_OP_CLEAR;
+        attachments[0].storeOp=VK_ATTACHMENT_STORE_OP_STORE;
+        attachments[0].stencilLoadOp=VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+        attachments[0].stencilStoreOp=VK_ATTACHMENT_STORE_OP_DONT_CARE;
+        attachments[0].initialLayout=VK_IMAGE_LAYOUT_UNDEFINED;
+        attachments[0].finalLayout=VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
+        attachments[0].flags=0;
+
+        ++att_count;
+
+        subpass.colorAttachmentCount=1;
+        subpass.pColorAttachments=&color_reference;
+    }
+    else
+    {
+        subpass.colorAttachmentCount=0;
+        subpass.pColorAttachments=nullptr;
+    }
+
+    if(depth_format!=VK_FORMAT_UNDEFINED)
+    {
+        attachments[att_count].format=depth_format;
+        attachments[att_count].samples=VK_SAMPLE_COUNT_1_BIT;
+        attachments[att_count].loadOp=VK_ATTACHMENT_LOAD_OP_CLEAR;
+        attachments[att_count].storeOp=VK_ATTACHMENT_STORE_OP_DONT_CARE;
+        attachments[att_count].stencilLoadOp=VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+        attachments[att_count].stencilStoreOp=VK_ATTACHMENT_STORE_OP_DONT_CARE;
+        attachments[att_count].initialLayout=VK_IMAGE_LAYOUT_UNDEFINED;
+        attachments[att_count].finalLayout=VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
+        attachments[att_count].flags=0;
+
+        depth_reference.attachment=att_count;
+
+        ++att_count;
+
+        subpass.pDepthStencilAttachment=&depth_reference;
+    }
+    else
+    {
+        subpass.pDepthStencilAttachment=nullptr;
+    }
 
     VkSubpassDependency dependency = {};
     dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
@@ -183,7 +210,7 @@ RenderPass *Device::CreateRenderPass()
     VkRenderPassCreateInfo rp_info={};
     rp_info.sType=VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
     rp_info.pNext=nullptr;
-    rp_info.attachmentCount=2;
+    rp_info.attachmentCount=att_count;
     rp_info.pAttachments=attachments;
     rp_info.subpassCount=1;
     rp_info.pSubpasses=&subpass;
@@ -195,7 +222,7 @@ RenderPass *Device::CreateRenderPass()
     if(vkCreateRenderPass(attr->device,&rp_info,nullptr,&render_pass)!=VK_SUCCESS)
         return(nullptr);
 
-    return(new RenderPass(attr->device,render_pass));
+    return(new RenderPass(attr->device,render_pass,color_format,depth_format));
 }
 
 Fence *Device::CreateFence()
diff --git a/example/Vulkan/VKDevice.h b/example/Vulkan/VKDevice.h
index f8c5b6c5..244d50ee 100644
--- a/example/Vulkan/VKDevice.h
+++ b/example/Vulkan/VKDevice.h
@@ -49,8 +49,8 @@ public:
 public:
 
     const   uint32_t        GetSwapChainImageCount  ()const     {return attr->sc_image_views.GetCount();}
-            VkImageView     GetColorImageView       (int index) {return GetObject(attr->sc_image_views,index);}
-            VkImageView     GetDepthImageView       ()          {return attr->depth.view;}
+            ImageView      *GetColorImageView       (int index) {return attr->sc_image_views[index];}
+            ImageView      *GetDepthImageView       ()          {return attr->depth.view;}
 
     const   uint32_t        GetCurrentFrameIndices  ()          {return current_frame;}
 
@@ -73,7 +73,7 @@ public:
 #undef CREATE_BUFFER_OBJECT
 
     CommandBuffer * CreateCommandBuffer();
-    RenderPass *    CreateRenderPass();
+    RenderPass *    CreateRenderPass(VkFormat color_format,VkFormat depth_format);
     Fence *         CreateFence();
     Semaphore *     CreateSem();
 
diff --git a/example/Vulkan/VKDeviceAttribute.cpp b/example/Vulkan/VKDeviceAttribute.cpp
index bd30fd9c..615f4822 100644
--- a/example/Vulkan/VKDeviceAttribute.cpp
+++ b/example/Vulkan/VKDeviceAttribute.cpp
@@ -1,5 +1,6 @@
 #include"VKDeviceAttribute.h"
 #include"VKPhysicalDevice.h"
+#include"VKImageView.h"
 #include<iostream>
 
 VK_NAMESPACE_BEGIN
@@ -137,8 +138,7 @@ DeviceAttribute::~DeviceAttribute()
     if(desc_pool)
         vkDestroyDescriptorPool(device,desc_pool,nullptr);
 
-    if(depth.view)
-        vkDestroyImageView(device,depth.view,nullptr);
+    SAFE_CLEAR(depth.view);
 
     if(depth.image)
         vkDestroyImage(device,depth.image,nullptr);
@@ -146,20 +146,7 @@ DeviceAttribute::~DeviceAttribute()
     if(depth.mem)
         vkFreeMemory(device,depth.mem,nullptr);
 
-    {
-        const uint32_t iv_count=sc_image_views.GetCount();
-
-        if(iv_count>0)
-        {
-            VkImageView *iv=sc_image_views.GetData();
-
-            for(uint32_t i=0;i<iv_count;i++)
-            {
-                vkDestroyImageView(device,*iv,nullptr);
-                ++iv;
-            }
-        }
-    }
+    sc_image_views.Clear();
 
     if(swap_chain)
         vkDestroySwapchainKHR(device,swap_chain,nullptr);
diff --git a/example/Vulkan/VKDeviceAttribute.h b/example/Vulkan/VKDeviceAttribute.h
index 475533e5..73c95655 100644
--- a/example/Vulkan/VKDeviceAttribute.h
+++ b/example/Vulkan/VKDeviceAttribute.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include"VK.h"
+#include"VKImageView.h"
 
 VK_NAMESPACE_BEGIN
 
@@ -38,7 +39,7 @@ struct DeviceAttribute
     VkSwapchainKHR                      swap_chain      =nullptr;
 
     List<VkImage>                       sc_images;
-    List<VkImageView>                   sc_image_views;
+    ObjectList<ImageView>               sc_image_views;
 
     struct
     {
@@ -46,7 +47,7 @@ struct DeviceAttribute
 
         VkImage         image   =nullptr;
         VkDeviceMemory  mem     =nullptr;
-        VkImageView     view    =nullptr;
+        ImageView *     view    =nullptr;
     }depth;
 
     VkDescriptorPool                    desc_pool       =nullptr;
diff --git a/example/Vulkan/VKDeviceCreater.cpp b/example/Vulkan/VKDeviceCreater.cpp
index e26e04ef..f2d5911c 100644
--- a/example/Vulkan/VKDeviceCreater.cpp
+++ b/example/Vulkan/VKDeviceCreater.cpp
@@ -135,40 +135,12 @@ namespace
         return(nullptr);
     }
 
-    VkImageView CreateImageView(VkDevice device,VkImageViewType type,VkFormat format,VkImageAspectFlags aspectMask,VkImage img=nullptr)
-    {
-        VkImageViewCreateInfo iv_createinfo={};
-
-        iv_createinfo.sType=VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
-        iv_createinfo.pNext=nullptr;
-        iv_createinfo.flags=0;
-        iv_createinfo.image=img;
-        iv_createinfo.format=format;
-        iv_createinfo.viewType=type;
-        iv_createinfo.components.r=VK_COMPONENT_SWIZZLE_R;
-        iv_createinfo.components.g=VK_COMPONENT_SWIZZLE_G;
-        iv_createinfo.components.b=VK_COMPONENT_SWIZZLE_B;
-        iv_createinfo.components.a=VK_COMPONENT_SWIZZLE_A;
-        iv_createinfo.subresourceRange.aspectMask=aspectMask;
-        iv_createinfo.subresourceRange.baseMipLevel=0;
-        iv_createinfo.subresourceRange.levelCount=1;
-        iv_createinfo.subresourceRange.baseArrayLayer=0;
-        iv_createinfo.subresourceRange.layerCount=1;
-
-        VkImageView iv;
-
-        if(vkCreateImageView(device,&iv_createinfo,nullptr,&iv)!=VK_SUCCESS)
-            return(nullptr);
-
-        return iv;
-    }
-
-    VkImageView Create2DImageView(VkDevice device,VkFormat format,VkImage img=nullptr)
+    ImageView *Create2DImageView(VkDevice device,VkFormat format,VkImage img=nullptr)
     {
         return CreateImageView(device,VK_IMAGE_VIEW_TYPE_2D,format,VK_IMAGE_ASPECT_COLOR_BIT,img);
     }
 
-    VkImageView CreateDepthImageView(VkDevice device,VkFormat format,VkImage img=nullptr)
+    ImageView *CreateDepthImageView(VkDevice device,VkFormat format,VkImage img=nullptr)
     {
         return CreateImageView(device,VK_IMAGE_VIEW_TYPE_2D,format,VK_IMAGE_ASPECT_DEPTH_BIT,img);
     }
@@ -188,19 +160,18 @@ namespace
             return(false);
         }
 
-        rsa->sc_image_views.SetCount(count);
-
         VkImage *ip=rsa->sc_images.GetData();
-        VkImageView *vp=rsa->sc_image_views.GetData();
+        ImageView *vp;
         for(uint32_t i=0; i<count; i++)
         {
-            *vp=Create2DImageView(rsa->device,rsa->format,*ip);
+            vp=Create2DImageView(rsa->device,rsa->format,*ip);
 
-            if(*vp==nullptr)
+            if(vp==nullptr)
                 return(false);
 
+            rsa->sc_image_views.Add(vp);
+
             ++ip;
-            ++vp;
         }
 
         return(true);
diff --git a/example/Vulkan/VKFramebuffer.cpp b/example/Vulkan/VKFramebuffer.cpp
index afb56316..b63cc7af 100644
--- a/example/Vulkan/VKFramebuffer.cpp
+++ b/example/Vulkan/VKFramebuffer.cpp
@@ -1,18 +1,28 @@
 #include"VKFramebuffer.h"
 #include"VKDevice.h"
+#include"VKImageView.h"
 #include"VKRenderPass.h"
+
 VK_NAMESPACE_BEGIN
 Framebuffer::~Framebuffer()
 {
     vkDestroyFramebuffer(device,frame_buffer,nullptr);
 }
 
-Framebuffer *CreateFramebuffer(Device *dev,RenderPass *rp,VkImageView color,VkImageView depth)
+Framebuffer *CreateFramebuffer(Device *dev,RenderPass *rp,ImageView *color,ImageView *depth)
 {
-    if(!dev||!rp)return(nullptr);
-
+    if(!dev)return(nullptr);
+    if(!rp)return(nullptr);
     if(!color&&!depth)return(nullptr);
 
+    if(color)
+        if(rp->GetColorFormat()!=color->GetFormat())
+            return(nullptr);
+
+    if(depth)
+        if(rp->GetDepthFormat()!=depth->GetFormat())
+            return(nullptr);
+
     const VkExtent2D extent=dev->GetExtent();
     VkImageView attachments[2];
 
@@ -27,11 +37,11 @@ Framebuffer *CreateFramebuffer(Device *dev,RenderPass *rp,VkImageView color,VkIm
 
     if(color)
     {
-        attachments[0]=color;
+        attachments[0]=*color;
 
         if(depth)
         {
-            attachments[1]=depth;
+            attachments[1]=*depth;
             fb_info.attachmentCount = 2;
         }
         else
@@ -39,7 +49,7 @@ Framebuffer *CreateFramebuffer(Device *dev,RenderPass *rp,VkImageView color,VkIm
     }
     else
     {
-        attachments[0]=depth;
+        attachments[0]=*depth;
         fb_info.attachmentCount = 1;
     }
 
diff --git a/example/Vulkan/VKFramebuffer.h b/example/Vulkan/VKFramebuffer.h
index 40c2c42f..48f4658c 100644
--- a/example/Vulkan/VKFramebuffer.h
+++ b/example/Vulkan/VKFramebuffer.h
@@ -5,6 +5,7 @@
 VK_NAMESPACE_BEGIN
 class Device;
 class RenderPass;
+class ImageView;
 
 class Framebuffer
 {
@@ -13,7 +14,7 @@ class Framebuffer
 
 private:
 
-    friend Framebuffer *CreateFramebuffer(Device *,RenderPass *,VkImageView color,VkImageView depth);;
+    friend Framebuffer *CreateFramebuffer(Device *,RenderPass *,ImageView *color,ImageView *depth);
 
     Framebuffer(VkDevice dev,VkFramebuffer fb)
     {
@@ -28,6 +29,6 @@ public:
     operator VkFramebuffer(){return frame_buffer;}
 };//class Framebuffer
 
-Framebuffer *CreateFramebuffer(Device *,RenderPass *,VkImageView color,VkImageView depth=nullptr);
+Framebuffer *CreateFramebuffer(Device *,RenderPass *,ImageView *color,ImageView *depth=nullptr);
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_VULKAN_FRAMEBUFFER_INCLUDE
diff --git a/example/Vulkan/VKImageView.h b/example/Vulkan/VKImageView.h
new file mode 100644
index 00000000..28ec5051
--- /dev/null
+++ b/example/Vulkan/VKImageView.h
@@ -0,0 +1,38 @@
+#ifndef HGL_GRAPH_VULKAN_IMAGE_VIEW_INCLUDE
+#define HGL_GRAPH_VULKAN_IMAGE_VIEW_INCLUDE
+
+#include"VK.h"
+VK_NAMESPACE_BEGIN
+class ImageView
+{
+    VkDevice device;
+    VkImageView image_view;
+    VkImageViewCreateInfo info;
+
+private:
+
+    friend ImageView *CreateImageView(VkDevice device,VkImageViewType type,VkFormat format,VkImageAspectFlags aspectMask,VkImage img);
+
+    ImageView(VkDevice dev,VkImageView iv,const VkImageViewCreateInfo &ci)
+    {
+        device=dev;
+        image_view=iv;
+        info=ci;
+    }
+
+public:
+
+    ~ImageView();
+
+    operator VkImageView(){return image_view;}
+
+public:
+
+    const VkImageViewType       GetViewType     ()const{return info.viewType;}
+    const VkFormat              GetFormat       ()const{return info.format;}
+    const VkImageAspectFlags    GetAspectFlags  ()const{return info.subresourceRange.aspectMask;}
+};//class ImageView
+
+ImageView *CreateImageView(VkDevice device,VkImageViewType type,VkFormat format,VkImageAspectFlags aspectMask,VkImage img=nullptr);
+VK_NAMESPACE_END
+#endif//HGL_GRAPH_VULKAN_IMAGE_VIEW_INCLUDE
diff --git a/example/Vulkan/VKPipeline.cpp b/example/Vulkan/VKPipeline.cpp
index 2e9624f7..ea36b254 100644
--- a/example/Vulkan/VKPipeline.cpp
+++ b/example/Vulkan/VKPipeline.cpp
@@ -77,7 +77,7 @@ PipelineCreater::PipelineCreater(Device *dev)
     rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
     rasterizer.pNext = nullptr;
     rasterizer.flags = 0;
-    rasterizer.depthClampEnable = VK_FALSE;
+    rasterizer.depthClampEnable = VK_FALSE; 
     rasterizer.rasterizerDiscardEnable = VK_FALSE;
     rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
     rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
diff --git a/example/Vulkan/VKRenderPass.h b/example/Vulkan/VKRenderPass.h
index 52099355..8bfc46bc 100644
--- a/example/Vulkan/VKRenderPass.h
+++ b/example/Vulkan/VKRenderPass.h
@@ -3,21 +3,31 @@
 
 #include"VK.h"
 VK_NAMESPACE_BEGIN
+class Framebuffer;
+class ImageView;
+
 class RenderPass
 {
     VkDevice device;
     VkRenderPass render_pass;
 
+    VkFormat color_format,depth_format;
+
 public:
 
-    RenderPass(VkDevice d,VkRenderPass rp)
+    RenderPass(VkDevice d,VkRenderPass rp,VkFormat cf,VkFormat df)
     {
         device=d;
         render_pass=rp;
+        color_format=cf;
+        depth_format=df;
     }
     virtual ~RenderPass();
 
     operator VkRenderPass(){return render_pass;}
+
+    const VkFormat GetColorFormat()const{return color_format;}
+    const VkFormat GetDepthFormat()const{return depth_format;}
 };//class RenderPass
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_VULKAN_RENDER_PASS_INCLUDE
diff --git a/example/Vulkan/VkImageView.cpp b/example/Vulkan/VkImageView.cpp
new file mode 100644
index 00000000..33358dde
--- /dev/null
+++ b/example/Vulkan/VkImageView.cpp
@@ -0,0 +1,36 @@
+#include"VKImageView.h"
+
+VK_NAMESPACE_BEGIN
+ImageView::~ImageView()
+{
+    vkDestroyImageView(device,image_view,nullptr);
+}
+
+ImageView *CreateImageView(VkDevice device,VkImageViewType type,VkFormat format,VkImageAspectFlags aspectMask,VkImage img)
+{
+    VkImageViewCreateInfo iv_createinfo={};
+
+    iv_createinfo.sType=VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
+    iv_createinfo.pNext=nullptr;
+    iv_createinfo.flags=0;
+    iv_createinfo.image=img;
+    iv_createinfo.format=format;
+    iv_createinfo.viewType=type;
+    iv_createinfo.components.r=VK_COMPONENT_SWIZZLE_R;
+    iv_createinfo.components.g=VK_COMPONENT_SWIZZLE_G;
+    iv_createinfo.components.b=VK_COMPONENT_SWIZZLE_B;
+    iv_createinfo.components.a=VK_COMPONENT_SWIZZLE_A;
+    iv_createinfo.subresourceRange.aspectMask=aspectMask;
+    iv_createinfo.subresourceRange.baseMipLevel=0;
+    iv_createinfo.subresourceRange.levelCount=1;
+    iv_createinfo.subresourceRange.baseArrayLayer=0;
+    iv_createinfo.subresourceRange.layerCount=1;
+
+    VkImageView iv;
+
+    if(vkCreateImageView(device,&iv_createinfo,nullptr,&iv)!=VK_SUCCESS)
+        return(nullptr);
+
+    return(new ImageView(device,iv,iv_createinfo));
+}
+VK_NAMESPACE_END
diff --git a/example/Vulkan/main.cpp b/example/Vulkan/main.cpp
index 92d6a937..0441cff6 100644
--- a/example/Vulkan/main.cpp
+++ b/example/Vulkan/main.cpp
@@ -4,6 +4,7 @@
 #include"VKDevice.h"
 #include"VKBuffer.h"
 #include"VKShader.h"
+#include"VKImageView.h"
 #include"VKVertexInput.h"
 #include"VKDescriptorSets.h"
 #include"VKRenderPass.h"
@@ -174,10 +175,24 @@ int main(int,char **)
 
     vulkan::Semaphore *sem=device->CreateSem();
 
+
     vulkan::VertexInput *vi=CreateVertexBuffer(device);
+    const int image_count=device->GetSwapChainImageCount();
+    vulkan::Framebuffer **fb=new vulkan::Framebuffer *[image_count];
+
+    vulkan::ImageView *color_iv=device->GetColorImageView(0);
+    vulkan::ImageView *depth_iv=device->GetDepthImageView();
+
+    vulkan::RenderPass *rp=device->CreateRenderPass(color_iv->GetFormat(),depth_iv->GetFormat());
+
+    for(int i=0;i<image_count;i++)
+    {
+        color_iv=device->GetColorImageView(i);
+
+        fb[i]=vulkan::CreateFramebuffer(device,rp,color_iv,depth_iv);
+    }
 
     vulkan::PipelineCreater pc(device);
-    vulkan::RenderPass *rp=device->CreateRenderPass();
 
     vulkan::DescriptorSetLayoutCreater dslc(device);
     vulkan::DescriptorSetLayout *dsl=dslc.Create();
@@ -196,12 +211,6 @@ int main(int,char **)
 
     device->AcquireNextImage();
 
-    const int image_count=device->GetSwapChainImageCount();
-    vulkan::Framebuffer **fb=new vulkan::Framebuffer *[image_count];
-
-    for(int i=0;i<image_count;i++)
-        fb[i]=vulkan::CreateFramebuffer(device,rp,device->GetColorImageView(i),device->GetDepthImageView());
-
     cmd_buf->Begin(rp,fb[0]);
     cmd_buf->Bind(pipeline);
     cmd_buf->Bind(pl);