diff --git a/example/Vulkan/Deferred.cpp b/example/Vulkan/Deferred.cpp
index 0a43ed41..d68701d9 100644
--- a/example/Vulkan/Deferred.cpp
+++ b/example/Vulkan/Deferred.cpp
@@ -1,4 +1,4 @@
-// 9.延迟渲染
+// 9.延迟渲染
 //  简单的延迟渲染测试，仅一个太阳光
 
 #include"VulkanAppFramework.h"
@@ -224,6 +224,7 @@ private:
         AutoDelete<vulkan::PipelineCreater> pipeline_creater=new vulkan::PipelineCreater(device,sp->material,gbuffer.renderpass,gbuffer.extent);
         pipeline_creater->SetDepthTest(true);
         pipeline_creater->SetDepthWrite(true);
+        pipeline_creater->SetDepthCompareOp(VK_COMPARE_OP_ALWAYS);
         //pipeline_creater->SetCullMode(VK_CULL_MODE_BACK_BIT);
         pipeline_creater->SetCullMode(VK_CULL_MODE_NONE);
         pipeline_creater->Set(PRIM_TRIANGLES);
diff --git a/res/shader/gbuffer_opaque.frag b/res/shader/gbuffer_opaque.frag
index f3ae5a13..f90ea19a 100644
--- a/res/shader/gbuffer_opaque.frag
+++ b/res/shader/gbuffer_opaque.frag
@@ -14,7 +14,7 @@ layout (location = 2) out vec4 outColor;
 
 void main()
 {
-    outPosition=vec4(FragmentPosition,1.0);
+    outPosition=vec4(normalize(FragmentPosition*2.0-vec3(1.0)),1.0);
 
 /*    vec3 N = normalize(FragmentNormal);
     N.y=-N.y;
@@ -25,6 +25,6 @@ void main()
 
     //outNormal=vec4(tnorm,1.0);
     
-    outNormal=vec4(FragmentNormal,1.0);
+    outNormal=vec4(normalize(FragmentNormal*2.0-vec3(1.0)),1.0);
     outColor=texture(TextureColor,FragmentTexCoord);
 }
diff --git a/res/shader/gbuffer_opaque.vert b/res/shader/gbuffer_opaque.vert
index 84782de7..8c99fa31 100644
--- a/res/shader/gbuffer_opaque.vert
+++ b/res/shader/gbuffer_opaque.vert
@@ -29,7 +29,7 @@ void main()
 
     gl_Position=pos*world.mvp;
 
-    FragmentPosition=pos.xyz;
+    FragmentPosition=(pos*world.modelview).xyz;
     FragmentTexCoord=TexCoord;
 
 //    mat3 n=inverse(mat3(pc.local_to_world));
@@ -38,6 +38,6 @@ void main()
 //    FragmentNormal=normalize(Normal)*n;
 //    FragmentTangent=normalize(Tangent)*n;
 
-    FragmentNormal=normalize((Normal+vec3(1.0))/2.0);
+    FragmentNormal=Normal;
     FragmentTangent=Tangent;
 }
diff --git a/src/RenderDevice/Vulkan/VKDeviceCreater.cpp b/src/RenderDevice/Vulkan/VKDeviceCreater.cpp
index 74abc069..10702f9f 100644
--- a/src/RenderDevice/Vulkan/VKDeviceCreater.cpp
+++ b/src/RenderDevice/Vulkan/VKDeviceCreater.cpp
@@ -195,7 +195,7 @@ namespace
 
     bool CreateDepthBuffer(DeviceAttribute *rsa)
     {
-        const VkFormat depth_format=rsa->physical_device->GetDepthFormat();
+        const VkFormat depth_format=rsa->physical_device->GetDepthFormat(false);
 
         const VkFormatProperties props=rsa->physical_device->GetFormatProperties(depth_format);
 
diff --git a/src/RenderDevice/Vulkan/VKImageView.cpp b/src/RenderDevice/Vulkan/VKImageView.cpp
index 815ebf7b..a0ccf482 100644
--- a/src/RenderDevice/Vulkan/VKImageView.cpp
+++ b/src/RenderDevice/Vulkan/VKImageView.cpp
@@ -23,7 +23,10 @@ ImageView *CreateImageView(VkDevice device,VkImageViewType type,VkFormat format,
     iv_createinfo.subresourceRange.layerCount=1;
 
     if(aspectMask&VK_IMAGE_ASPECT_DEPTH_BIT)
-    {    
+    {
+        if(format>=VK_FORMAT_D16_UNORM_S8_UINT)
+            iv_createinfo.subresourceRange.aspectMask|=VK_IMAGE_ASPECT_STENCIL_BIT;
+
         iv_createinfo.components.r=VK_COMPONENT_SWIZZLE_IDENTITY;
         iv_createinfo.components.g=VK_COMPONENT_SWIZZLE_IDENTITY;
         iv_createinfo.components.b=VK_COMPONENT_SWIZZLE_IDENTITY;