Files
punktfunk/crates/pf-zerocopy
enricobuehlerandClaude Fable 5 1262fec2ae perf(zerocopy/vulkan): LN4 — global-priority VkBridge queue for the LINEAR/gamescope CSC
The RGB→NV12 compute CSC shares the SMs with the game; request an
elevated global-priority queue (VK_KHR/EXT_global_priority) so the
driver can schedule it ahead. PUNKTFUNK_VK_QUEUE_PRIORITY =
off|high|realtime (default realtime), downgrading REALTIME→HIGH→none
on NOT_PERMITTED/INITIALIZATION_FAILED — a refused class never fails
the bridge. Mirrors PyroWave's ac0e7332 (same honest caveat: WDDM
didn't move; the Linux driver may — contended-tail lever, correct and
harmless either way).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-20 20:12:42 +02:00
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