[webkit-changes] [WebKit/WebKit] 2f4084: [WebGPU] Simplify the lifetime of GPUPresentationC...

[Myles C. Maxfield]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 2f4084835f4b881444e57f4f16eb4425fa5a92e6
      https://github.com/WebKit/WebKit/commit/2f4084835f4b881444e57f4f16eb4425fa5a92e6
  Author: Myles C. Maxfield <mmaxfield at apple.com>
  Date:   2023-01-30 (Mon, 30 Jan 2023)

  Changed paths:
    M Source/WebCore/html/canvas/GPUCanvasContextCocoa.cpp
    M Source/WebCore/html/canvas/GPUCanvasContextCocoa.h

  Log Message:
  -----------
  [WebGPU] Simplify the lifetime of GPUPresentationContext within GPUCanvasContextCocoa
https://bugs.webkit.org/show_bug.cgi?id=251067
rdar://104784569

Reviewed by Tadeu Zagallo.

There's no reason to lazily create the GPUPresentationContext; we can just create
it eagerly, which allows us to use a Ref instead of a RefPtr for the object,
thereby eliminating one potential state in the class.

* Source/WebCore/html/canvas/GPUCanvasContextCocoa.cpp:
(WebCore::presentationContextDescriptor):
(WebCore::GPUCanvasContextCocoa::GPUCanvasContextCocoa):
(WebCore::GPUCanvasContextCocoa::reshape):
(WebCore::GPUCanvasContextCocoa::unconfigurePresentationContextIfNeeded):
(WebCore::GPUCanvasContextCocoa::configurePresentationContextIfNeeded):
(WebCore::GPUCanvasContextCocoa::getCurrentTexture):
(WebCore::GPUCanvasContextCocoa::createPresentationContextIfNeeded): Deleted.
* Source/WebCore/html/canvas/GPUCanvasContextCocoa.h:

Canonical link: https://commits.webkit.org/259564@main