Optimize Vulkan buffer transfers on UMA (Unified Memory Architecture) devices#22462

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winstonma:winston/vk-uma-read-threshold

Commits on Apr 28, 2026

vulkan: avoid preferring transfer queue on AMD UMA devices
winstonma
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Optimize Vulkan buffer transfers on UMA (Unified Memory Architecture) devices
winstonma
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vulkan: centralize UMA read heuristic and configurable threshold
winstonma
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Commits on May 1, 2026

fix incorrect async/event ordering on Vulkan, where a host read could be completed or discarded at the wrong time instead of becoming visible only after the relevant GPU work has finished
winstonma
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Commits on May 4, 2026