Commit aa1f7e1925b54b5a7b5bbe13ef4f72a5f1cd9537
2023-02-08T21:05:35
Vulkan: Fix CommandQueue Wait Semaphores asyncCommandQueue race. Recently implemented fix has a problem: When using "asyncCommandQueue", wait semaphores flush performed in the context thread, while submit in the async thread. Both operations protected by the mutex, so there is no data race or other UB. It is a potential performance problem: submit operation may attach wait semaphores prematurely, before corresponding commands flushed into the primary command buffer. Fix adds "CustomTask::FlushWaitSemaphores" to ensure wait semaphores and commands flushed in order. Bug: angleproject:7995 Change-Id: I7d3cfad867c59d3cd0a5c0bb3f81ae8d98238362 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4231844 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com> Commit-Queue: Igor Nazarov <i.nazarov@samsung.com>