vii 6829fd00ed perf(graphics): decode ETC2 uploads off the submitting thread ...

Uploads decode on a background dispatcher and the submit carries a
timeline semaphore wait, so the GPU waits for the texture rather than
the render thread. The gather of the application's compressed bytes
moves there too when they are already mapped; unmapping or freeing that
memory drains the decodes still reading it.

Staged copies gain an explicit host-write barrier. A queue submission
only makes host writes from before it visible to the device, and these
writes land after the submit.

Devices without timelineSemaphore, and submits whose pNext already sizes
arrays by their semaphore counts, decode inline as before.

Blade Ball, median of three: worst vkQueueSubmit 140ms -> 1ms, p99
4.9ms -> 0.05ms, total 2534ms -> 309ms. Frame interval unchanged; its
tail is the engine's own main-thread step.

2026-09-19 18:02:16 -05:00

..

BENCHMARKING.md

perf(graphics): decode ETC2 uploads off the submitting thread

2026-09-19 18:02:16 -05:00

PERFORMANCE.md

perf(graphics): decode ETC2 uploads off the submitting thread

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ROADMAP.md

docs(roadmap): move profiling and Discord presence to shipped, add first-load stutter

2026-09-18 19:06:02 -05:00