diff --git a/example/Vulkan/Deferred.cpp b/example/Vulkan/Deferred.cpp
index d83c2c14..0e50120c 100644
--- a/example/Vulkan/Deferred.cpp
+++ b/example/Vulkan/Deferred.cpp
@@ -35,7 +35,7 @@ constexpr VkFormat normal_candidate_format  []={FMT_RGBA32F,
                                                 FMT_RGBA16F,
                                                 FMT_A2RGB10UN,FMT_A2RGB10SN,FMT_A2BGR10UN,
                                                 FMT_A2BGR10SN};
-constexpr VkFormat depth_candidate_format   []={FMT_D32F,FMT_D32F_S8U,FMT_X8_D24,FMT_D24UN_S8U,FMT_D16UN,FMT_D16UN_S8U};
+constexpr VkFormat depth_candidate_format   []={FMT_D32F,FMT_D32F_S8U,FMT_X8_D24UN,FMT_D24UN_S8U,FMT_D16UN,FMT_D16UN_S8U};
 
 class TestApp:public CameraAppFramework
 {
diff --git a/inc/hgl/graph/vulkan/VKPhysicalDevice.h b/inc/hgl/graph/vulkan/VKPhysicalDevice.h
index e4e2f521..c9aae804 100644
--- a/inc/hgl/graph/vulkan/VKPhysicalDevice.h
+++ b/inc/hgl/graph/vulkan/VKPhysicalDevice.h
@@ -16,10 +16,6 @@ class PhysicalDevice
     List<VkLayerProperties>             layer_properties;
     List<VkExtensionProperties>         extension_properties;
 
-    VkFormatProperties format_properties[VK_FORMAT_RANGE_SIZE];
-
-    void InitFormatSupport();
-
 public:
 
     PhysicalDevice(VkInstance,VkPhysicalDevice);
@@ -76,9 +72,9 @@ public:
         return fp;
     }
 
-    bool OptimalSupport (const VkFormat format,const VkFormatFeatureFlags flag)const{return((format<VK_FORMAT_BEGIN_RANGE||format>VK_FORMAT_END_RANGE)?false:(format_properties[format].optimalTilingFeatures&flag));}
-    bool LinearSupport  (const VkFormat format,const VkFormatFeatureFlags flag)const{return((format<VK_FORMAT_BEGIN_RANGE||format>VK_FORMAT_END_RANGE)?false:(format_properties[format].linearTilingFeatures&flag));}
-    bool BufferSupport  (const VkFormat format,const VkFormatFeatureFlags flag)const{return((format<VK_FORMAT_BEGIN_RANGE||format>VK_FORMAT_END_RANGE)?false:(format_properties[format].bufferFeatures&flag));}
+    bool OptimalSupport (const VkFormat format,const VkFormatFeatureFlags flag)const{VkFormatProperties fp;vkGetPhysicalDeviceFormatProperties(physical_device,format,&fp);return fp.optimalTilingFeatures&flag;}
+    bool LinearSupport  (const VkFormat format,const VkFormatFeatureFlags flag)const{VkFormatProperties fp;vkGetPhysicalDeviceFormatProperties(physical_device,format,&fp);return fp.linearTilingFeatures&flag;}
+    bool BufferSupport  (const VkFormat format,const VkFormatFeatureFlags flag)const{VkFormatProperties fp;vkGetPhysicalDeviceFormatProperties(physical_device,format,&fp);return fp.bufferFeatures&flag;}
     
     bool IsColorAttachmentOptimal(const VkFormat format)const{return OptimalSupport(format,VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT);}
     bool IsDepthAttachmentOptimal(const VkFormat format)const{return OptimalSupport(format,VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT);}
diff --git a/src/RenderDevice/Vulkan/VKPhysicalDevice.cpp b/src/RenderDevice/Vulkan/VKPhysicalDevice.cpp
index 432c961e..95eb0850 100644
--- a/src/RenderDevice/Vulkan/VKPhysicalDevice.cpp
+++ b/src/RenderDevice/Vulkan/VKPhysicalDevice.cpp
@@ -56,8 +56,6 @@ PhysicalDevice::PhysicalDevice(VkInstance inst,VkPhysicalDevice pd)
 
         hgl_zero(driver_properties);
     }
-
-    InitFormatSupport();
 }
 
 const uint32_t PhysicalDevice::GetExtensionSpecVersion(const UTF8String &name)const
@@ -94,18 +92,6 @@ const bool PhysicalDevice::CheckMemoryType(uint32_t typeBits,VkMemoryPropertyFla
     return false;
 }
 
-void PhysicalDevice::InitFormatSupport()
-{
-    VkFormatProperties *fp=format_properties;
-
-    for(uint32 i=VK_FORMAT_BEGIN_RANGE;i<=VK_FORMAT_END_RANGE;i++)
-    {        
-        vkGetPhysicalDeviceFormatProperties(physical_device,(VkFormat)i,fp);
-        
-        ++fp;
-    }    
-}
-
 VkFormat PhysicalDevice::GetDepthFormat(bool lower_to_high)const
 {
     constexpr VkFormat depthFormats[] =