The new API uses exported functions and cannot be included with the old API without compile errors in existing code that has an include-only dependency on DDC.
#rb Zousar.Shaker
#rnx
#preflight 610c01e3aeb05700011dc5ab
[CL 17071263 by Devin Doucette in ue5-main branch]
Any function that may create a request now has a IRequestOwner& parameter, and uses the Begin and End functions on the owner to manage the lifetime of any requests that it creates, as well as using End to invoke the completion callback for any request which has one.
The new FRequestBarrier may be used to block a group from being considered complete in a scope where more requests may be added to it.
#rb Matt.Peters
#rnx
#preflight 6109b5c403d303000144cce5
#preflight 610acf7103d30300016fda94
[CL 17060470 by Devin Doucette in ue5-main branch]
- Removed the "Cache" prefix from ECachePriority, FCacheRequest, ICacheRequest, FCachePayload, FCachePayloadId to allow reuse in the Build API.
- Added FCompressedBuffer as the starting point for the API for creating and accessing compressed buffers.
#rb Zousar.Shaker
#rnx
[CL 15511723 by Devin Doucette in ue5-main branch]
- FCacheRecord must now be created by FCacheRecordBuilder.
- FCacheRecord values are always an opaque buffer now, and ECacheRecordType has been removed.
- FCachePayload has been added as a common type for the cache record value and attachments.
- FCachePayloadId has been added as a 12-byte identifier for cache payloads.
- ICache::GetAttachments is now GetPayloads and can fetch both values and attachments.
- ECachePriority::Blocking has been added for requests that the caller will block on.
#rb Zousar.Shaker
#rnx
[CL 15471951 by Devin Doucette in ue5-main branch]
ICache will eventually replace the existing cache access functions on FDerivedDataCacheInterface. The notable differences relative to the existing interface are:
- It is asynchronous with completion callbacks by default, and allows waiting when necessary.
- It allows batch requests containing multiple cache records by default.
- It uses a structured cache key made up of a bucket name and a hash.
- It supports prioritization and cancellation of requests.
- It supports structured cache records with metadata.
- It supports attachments to allow multi-part cache records.
- It uses a typed request object instead of an opaque integer handle.
- It provides cache policy flags to control how to query and store cache records, and which parts of a cache record to fetch.
This initial implementation of ICache is totally synchronous and uses the existing cache backends for storage.
#rb Zousar.Shaker
[CL 15152247 by Devin Doucette in ue5-main branch]
