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Fix: Metal: GPU_finish() not syncing when there's no (current) command buffer to sync on #128987

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Clément Foucault merged 1 commits from Jason-Fielder/blender:Metal_fix_missing_gpu_syncs into main 2024-10-14 17:12:22 +02:00
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Jason Fielder commented 2024-10-14 10:50:19 +02:00
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Reported by @fclem. On Metal GPU_finish enacts a CPU<-> GPU sync by
submitting a command buffer and waiting on the completion event.
However if there was no command buffer to submit then the call was
returning immediately, regardless of any outstanding GPU work.
This fixes that case by keeping track of all outstanding work and
blocking on that.

Authored by Apple: James McCarthy

Reported by @fclem. On Metal GPU_finish enacts a CPU<-> GPU sync by submitting a command buffer and waiting on the completion event. However if there was no command buffer to submit then the call was returning immediately, regardless of any outstanding GPU work. This fixes that case by keeping track of all outstanding work and blocking on that. Authored by Apple: James McCarthy
Jason Fielder added 1 commit 2024-10-14 10:50:31 +02:00
Fixed GPU_finish() not syncing when there's no (current) command buffer to sync on
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Jason Fielder requested review from Clément Foucault 2024-10-14 10:51:05 +02:00
Clément Foucault approved these changes 2024-10-14 12:23:02 +02:00
Clément Foucault commented 2024-10-14 12:27:52 +02:00
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@blender-bot build

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Clément Foucault changed title from Fixed GPU_finish() not syncing when there's no (current) command buffer to sync on to Metal: Fix GPU_finish() not syncing when there's no (current) command buffer to sync on 2024-10-14 12:28:13 +02:00
Clément Foucault changed title from Metal: Fix GPU_finish() not syncing when there's no (current) command buffer to sync on to Fix: Metal: GPU_finish() not syncing when there's no (current) command buffer to sync on 2024-10-14 12:28:23 +02:00
Clément Foucault commented 2024-10-14 12:38:17 +02:00
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@blender-bot build macos

@blender-bot build macos
Clément Foucault merged commit 6da42e9c95 into main 2024-10-14 17:12:22 +02:00
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