toJson method
Returns the event as the JSON object a trace file holds, without its
kind key, with every byte payload handed to blob and written as
the reference it returns.
Implementation
@override
Map<String, Object?> toJson(TraceBlobWriter blob) => <String, Object?>{
'pass': pass,
'shader': shader,
'slot': slot,
'texture': texture,
'sampler': sampler == null ? null : samplerToJson(sampler!),
};