diff --git a/inc/hgl/graph/vulkan/VKDescriptorSets.h b/inc/hgl/graph/vulkan/VKDescriptorSets.h
index 6a7fa4ad..67e70111 100644
--- a/inc/hgl/graph/vulkan/VKDescriptorSets.h
+++ b/inc/hgl/graph/vulkan/VKDescriptorSets.h
@@ -14,17 +14,20 @@ class DescriptorSetLayout
     VkDescriptorSet *desc_set_list;
     Map<uint32_t,int> index_by_binding;
 
+    VkPipelineLayout pipeline_layout;
+
 private:
 
     friend class DescriptorSetLayoutCreater;
 
-    DescriptorSetLayout(Device *dev,const int c,VkDescriptorSetLayout *dsl_list,VkDescriptorSet *desc_set,Map<uint32_t,int> &bi)
+    DescriptorSetLayout(Device *dev,const int c,VkDescriptorSetLayout *dsl_list,VkPipelineLayout pl,VkDescriptorSet *desc_set,Map<uint32_t,int> &bi)
     {
         device=dev;
         count=c;
         desc_set_layout_list=dsl_list;
         desc_set_list=desc_set;
         index_by_binding=bi;
+        pipeline_layout=pl;
     }
 
 public:
@@ -35,6 +38,7 @@ public:
     const VkDescriptorSetLayout *   GetLayouts          ()const{return desc_set_layout_list;}
     const VkDescriptorSet *         GetDescriptorSets   ()const{return desc_set_list;}
           VkDescriptorSet           GetDescriptorSet    (const uint32_t binding);
+    const VkPipelineLayout          GetPipelineLayout   ()const{return pipeline_layout;}
 };//class DescriptorSetLayout
 
 /**
diff --git a/inc/hgl/graph/vulkan/VKMaterial.h b/inc/hgl/graph/vulkan/VKMaterial.h
index 96716b0a..7456befc 100644
--- a/inc/hgl/graph/vulkan/VKMaterial.h
+++ b/inc/hgl/graph/vulkan/VKMaterial.h
@@ -29,21 +29,20 @@ class Material
     List<VkPipelineShaderStageCreateInfo> *shader_stage_list;
     DescriptorSetLayoutCreater *dsl_creater;
     DescriptorSetLayout *desc_set_layout;
-    VkPipelineLayout pipeline_layout;
     VertexAttributeBinding *vab;
 
 public:
 
-    Material(Device *dev,ShaderModuleMap *smm,VertexShaderModule *vsm,List<VkPipelineShaderStageCreateInfo> *,DescriptorSetLayoutCreater *dslc,DescriptorSetLayout *dsl,VkPipelineLayout pl,VertexAttributeBinding *v);
+    Material(Device *dev,ShaderModuleMap *smm,VertexShaderModule *vsm,List<VkPipelineShaderStageCreateInfo> *,DescriptorSetLayoutCreater *dslc,DescriptorSetLayout *dsl,VertexAttributeBinding *v);
     ~Material();
 
     const int GetUBOBinding(const UTF8String &)const;
     const int GetVBOBinding(const UTF8String &)const;
 
-    const VkPipelineLayout                  GetPipelineLayout   ()const{return pipeline_layout;}
     const uint32_t                          GetStageCount       ()const{return shader_stage_list->GetCount();}
     const VkPipelineShaderStageCreateInfo * GetStages           ()const{return shader_stage_list->GetData();}
 
+    const VkPipelineLayout                  GetPipelineLayout       ()const;
     const uint32_t                          GetDescriptorSetCount   ()const;
     const VkDescriptorSet *                 GetDescriptorSets       ()const;
 
diff --git a/src/RenderDevice/Vulkan/VKDescriptorSets.cpp b/src/RenderDevice/Vulkan/VKDescriptorSets.cpp
index 78b3d71e..439f0c40 100644
--- a/src/RenderDevice/Vulkan/VKDescriptorSets.cpp
+++ b/src/RenderDevice/Vulkan/VKDescriptorSets.cpp
@@ -32,6 +32,9 @@ DescriptorSetLayout::~DescriptorSetLayout()
     //if(count>0)
     //    vkFreeDescriptorSets(device->GetDevice(),device->GetDescriptorPool(),count,desc_set_list);
 
+    if(pipeline_layout)
+        vkDestroyPipelineLayout(*device,pipeline_layout,nullptr);
+
     delete[] desc_set_list;
     DestroyDescriptorSetLayout(*device,count,desc_set_layout_list);
     delete[] desc_set_layout_list;
@@ -89,7 +92,23 @@ DescriptorSetLayout *DescriptorSetLayoutCreater::Create()
 
     VkDescriptorSetLayout *dsl_list=new VkDescriptorSetLayout[count];
 
-    if(vkCreateDescriptorSetLayout(device->GetDevice(),&descriptor_layout, nullptr, dsl_list)!=VK_SUCCESS)
+    if(vkCreateDescriptorSetLayout(*device,&descriptor_layout, nullptr, dsl_list)!=VK_SUCCESS)
+    {
+        delete[] dsl_list;
+        return(nullptr);
+    }
+
+    VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = {};
+    pPipelineLayoutCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
+    pPipelineLayoutCreateInfo.pNext = nullptr;
+    pPipelineLayoutCreateInfo.pushConstantRangeCount = 0;
+    pPipelineLayoutCreateInfo.pPushConstantRanges = nullptr;
+    pPipelineLayoutCreateInfo.setLayoutCount = count;
+    pPipelineLayoutCreateInfo.pSetLayouts = dsl_list;
+
+    VkPipelineLayout pipeline_layout;
+
+    if(vkCreatePipelineLayout(*device, &pPipelineLayoutCreateInfo, nullptr, &pipeline_layout)!=VK_SUCCESS)
     {
         delete[] dsl_list;
         return(nullptr);
@@ -104,14 +123,15 @@ DescriptorSetLayout *DescriptorSetLayoutCreater::Create()
 
     VkDescriptorSet *desc_set=new VkDescriptorSet[count];
 
-    if(vkAllocateDescriptorSets(device->GetDevice(),&alloc_info,desc_set)!=VK_SUCCESS)
+    if(vkAllocateDescriptorSets(*device,&alloc_info,desc_set)!=VK_SUCCESS)
     {
+        vkDestroyPipelineLayout(*device,pipeline_layout,nullptr);
         delete[] desc_set;
         DestroyDescriptorSetLayout(*device,count,dsl_list);
         delete[] dsl_list;
         return(nullptr);
     }
 
-    return(new DescriptorSetLayout(device,count,dsl_list,desc_set,index_by_binding));
+    return(new DescriptorSetLayout(device,count,dsl_list,pipeline_layout,desc_set,index_by_binding));
 }
 VK_NAMESPACE_END
diff --git a/src/RenderDevice/Vulkan/VKMaterial.cpp b/src/RenderDevice/Vulkan/VKMaterial.cpp
index a82b8cbf..3b7b818f 100644
--- a/src/RenderDevice/Vulkan/VKMaterial.cpp
+++ b/src/RenderDevice/Vulkan/VKMaterial.cpp
@@ -45,29 +45,13 @@ Material *CreateMaterial(Device *dev,ShaderModuleMap *shader_maps)
 
     if(dsl)
     {
-        const uint32_t layout_count=dsl->GetCount();
-        const VkDescriptorSetLayout *layouts=(layout_count>0?dsl->GetLayouts():nullptr);
-
-        VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = {};
-        pPipelineLayoutCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
-        pPipelineLayoutCreateInfo.pNext = nullptr;
-        pPipelineLayoutCreateInfo.pushConstantRangeCount = 0;
-        pPipelineLayoutCreateInfo.pPushConstantRanges = nullptr;
-        pPipelineLayoutCreateInfo.setLayoutCount = layout_count;
-        pPipelineLayoutCreateInfo.pSetLayouts = layouts;
-
-        VkPipelineLayout pipeline_layout;
-
-        if(vkCreatePipelineLayout(dev->GetDevice(), &pPipelineLayoutCreateInfo, nullptr, &pipeline_layout)==VK_SUCCESS)
-        {
-            return(new Material(dev,shader_maps,vertex_sm,shader_stage_list,dsl_creater,dsl,pipeline_layout,vab));
-        }
+        return(new Material(dev,shader_maps,vertex_sm,shader_stage_list,dsl_creater,dsl,vab));
     }
 
     return(nullptr);
 }
 
-Material::Material(Device *dev,ShaderModuleMap *smm,VertexShaderModule *vsm,List<VkPipelineShaderStageCreateInfo> *psci_list,DescriptorSetLayoutCreater *dslc,DescriptorSetLayout *dsl,VkPipelineLayout pl,VertexAttributeBinding *v)
+Material::Material(Device *dev,ShaderModuleMap *smm,VertexShaderModule *vsm,List<VkPipelineShaderStageCreateInfo> *psci_list,DescriptorSetLayoutCreater *dslc,DescriptorSetLayout *dsl,VertexAttributeBinding *v)
 {
     device=*dev;
     shader_maps=smm;
@@ -75,17 +59,13 @@ Material::Material(Device *dev,ShaderModuleMap *smm,VertexShaderModule *vsm,List
     shader_stage_list=psci_list;
     dsl_creater=dslc;
     desc_set_layout=dsl;
-    pipeline_layout=pl;
     vab=v;
 }
 
 Material::~Material()
 {
     delete vab;
-
-    if(pipeline_layout)
-        vkDestroyPipelineLayout(device,pipeline_layout,nullptr);
-
+    
     delete desc_set_layout;
     delete dsl_creater;
 
@@ -132,6 +112,11 @@ const int Material::GetVBOBinding(const UTF8String &name)const
     return vertex_sm->GetBinding(name);
 }
 
+const VkPipelineLayout Material::GetPipelineLayout()const
+{
+    return desc_set_layout->GetPipelineLayout();
+}
+
 const uint32_t Material::GetDescriptorSetCount()const
 {
     return desc_set_layout->GetCount();