diff --git a/inc/hgl/graph/VKCommandBuffer.h b/inc/hgl/graph/VKCommandBuffer.h
index 89e55eff..4a816c05 100644
--- a/inc/hgl/graph/VKCommandBuffer.h
+++ b/inc/hgl/graph/VKCommandBuffer.h
@@ -82,6 +82,20 @@ public:
     bool BindFramebuffer(RenderPass *rp,Framebuffer *fb);
 
     bool BeginRenderPass();
+    void NextSubpass(){vkCmdNextSubpass(cmd_buf,VK_SUBPASS_CONTENTS_INLINE);}
+    void EndRenderPass(){vkCmdEndRenderPass(cmd_buf);}
+
+    void BeginRendering(const VkRenderingInfoKHR *ri)
+    {
+        if(!ri)return;
+
+        vkCmdBeginRenderingKHR(cmd_buf,ri);
+    }
+
+    void EndRendering()
+    {
+        vkCmdEndRenderingKHR(cmd_buf);
+    }
 
     bool BindPipeline(Pipeline *p)
     {
@@ -171,10 +185,6 @@ public: //draw
                                 void DrawIndirect       (VkBuffer buf,          uint32_t drawCount,uint32_t stride=sizeof(VkDrawIndirectCommand         )){return DrawIndirect(         buf,0,drawCount,stride);}
                                 void DrawIndexedIndirect(VkBuffer buf,          uint32_t drawCount,uint32_t stride=sizeof(VkDrawIndexedIndirectCommand  )){return DrawIndexedIndirect(  buf,0,drawCount,stride);}
 
-    void NextSubpass(){vkCmdNextSubpass(cmd_buf,VK_SUBPASS_CONTENTS_INLINE);}
-
-    void EndRenderPass(){vkCmdEndRenderPass(cmd_buf);}
-
 public: //dynamic state
 };//class RenderCmdBuffer:public GPUCmdBuffer
 
diff --git a/src/SceneGraph/Vulkan/VKDeviceCreater.cpp b/src/SceneGraph/Vulkan/VKDeviceCreater.cpp
index e2760eed..2b82187e 100644
--- a/src/SceneGraph/Vulkan/VKDeviceCreater.cpp
+++ b/src/SceneGraph/Vulkan/VKDeviceCreater.cpp
@@ -37,6 +37,7 @@ namespace
 //            VK_EXT_HDR_METADATA_EXTENSION_NAME,
 //            VK_EXT_FULL_SCREEN_EXCLUSIVE_EXTENSION_NAME,
 //            VK_AMD_DISPLAY_NATIVE_HDR_EXTENSION_NAME,
+//            VK_KHR_DYNAMIC_RENDERING_EXTENSION_NAME,
 
 //            VK_EXT_SAMPLER_FILTER_MINMAX_EXTENSION_NAME,
         };