cache directwrite

tests/UploadStrategy/main.cpp

@@ -80,6 +80,10 @@ void SetMemory(std::initializer_list<TypeSpec> types,
         Device::memoryProperties.memoryHeaps[h].flags = s.flags;
         ++h;
     }
+    // PreferDirectDeviceWrite reads the cache CacheUploadStrategy derives from
+    // memoryProperties (device creation does this once); refresh it here since
+    // the test mutates the layout directly.
+    Device::CacheUploadStrategy();
 }
 
 constexpr VkMemoryHeapFlags HEAP_DEVICE_LOCAL = VK_MEMORY_HEAP_DEVICE_LOCAL_BIT;