Fix vkCmdCopyBuffer SYNC-HAZARD-WRITE-AFTER-WRITE error #1658
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Added a per‑TransferTask fence to serialize transfer submissions so back‑to‑back vkCmdCopyBuffer writes can't overlap on the same queue.
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These errors appear when enabling "Synchronization" Layer Configuration in Vulkan Configurator and running vsgtext:
Validation Error: [ SYNC-HAZARD-WRITE-AFTER-WRITE ] | MessageID = 0x5c0ec5d6 vkQueueSubmit(): WRITE_AFTER_WRITE hazard detected. vkCmdCopyBuffer...Fix:
Added a per‑TransferTask fence to serialize transfer submissions so back‑to‑back vkCmdCopyBuffer writes can't overlap on the same queue.
OS Windows 11
GPU NVIDIA RTX 2000 Ada Generation Laptop GPU
Driver date 10/12/2025
Vulkan 1.4.328.1