fix extensions

Author: xiaopengli89

wgpu-hal/src/vulkan/adapter.rs

@@ -903,11 +903,6 @@ impl PhysicalDeviceProperties {
             if requested_features.contains(wgt::Features::TEXTURE_FORMAT_NV12) {
                 extensions.push(khr::sampler_ycbcr_conversion::NAME);
             }
-
-            // Optional `VK_KHR_external_memory_win32`
-            if self.supports_extension(khr::external_memory_win32::NAME) {
-                extensions.push(khr::external_memory_win32::NAME);
-            }
         }
 
         if self.device_api_version < vk::API_VERSION_1_2 {
@@ -975,6 +970,11 @@ impl PhysicalDeviceProperties {
             extensions.push(ext::robustness2::NAME);
         }
 
+        // Optional `VK_KHR_external_memory_win32`
+        if self.supports_extension(khr::external_memory_win32::NAME) {
+            extensions.push(khr::external_memory_win32::NAME);
+        }
+
         // Require `VK_KHR_draw_indirect_count` if the associated feature was requested
         // Even though Vulkan 1.2 has promoted the extension to core, we must require the extension to avoid
         // large amounts of spaghetti involved with using PhysicalDeviceVulkan12Features.