[webkit-changes] [WebKit/WebKit] adfc94: [WebGPU] Query set resolution shouldn't require a ...

[Myles C. Maxfield]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: adfc948908fed09d7b6e88ad276dcb013d6442af
      https://github.com/WebKit/WebKit/commit/adfc948908fed09d7b6e88ad276dcb013d6442af
  Author: Myles C. Maxfield <mmaxfield at apple.com>
  Date:   2023-02-06 (Mon, 06 Feb 2023)

  Changed paths:
    M Source/WebGPU/WebGPU/CommandEncoder.mm
    M Source/WebGPU/WebGPU/QuerySet.h
    M Source/WebGPU/WebGPU/QuerySet.mm

  Log Message:
  -----------
  [WebGPU] Query set resolution shouldn't require a CPU/GPU sync point
https://bugs.webkit.org/show_bug.cgi?id=251781
<rdar://problem/105073755>

Reviewed by Dean Jackson.

Instead of round-tripping through the CPU, we can just use the existing blit command encoder to enqueue
any operations we need to happen entirely on the GPU.

* Source/WebGPU/WebGPU/CommandEncoder.mm:
(WebGPU::CommandEncoder::resolveQuerySet):
* Source/WebGPU/WebGPU/QuerySet.h:
(WebGPU::QuerySet::device const):
* Source/WebGPU/WebGPU/QuerySet.mm:
(WebGPU::QuerySet::encodeResolveCommands const):
(WebGPU::QuerySet::resolveTimestamps const): Deleted.

Canonical link: https://commits.webkit.org/259932@main