Enable sample anisotropy for test device

vulkan-rs/src/lib.rs

@@ -88,7 +88,11 @@ pub fn create_vk_handles() -> anyhow::Result<(
         physical_device,
         DeviceExtensions::default(),
         &[queue_info.queue_create_info],
-        DeviceFeatures::default(),
+        DeviceFeatures {
+            samplerAnisotropy: VK_TRUE,
+
+            ..DeviceFeatures::default()
+        },
     )?;
 
     let queue = device.get_queue(queue_info.queue_family_index, queue_info.queue_index);