print usage required during device usage validation
fixes
@@ -1215,7 +1215,7 @@ pub fn device_create_bind_group<B: GfxBackend>(
.buffers
.use_extend(&*buffer_guard, bb.buffer, (), usage)
.unwrap();
- assert!(buffer.usage.contains(usage));
+ assert!(buffer.usage.contains(usage), "Expected buffer usage {:?}", usage);
let end = if bb.size == 0 {
None
