[webkit-changes] [WebKit/WebKit] ed2863: [GTK][WPE] Don't allow depth test and stencil clip...

[Miguel Gómez]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: ed286350cfd576f534f27200fa06d714fb14f8a9
      https://github.com/WebKit/WebKit/commit/ed286350cfd576f534f27200fa06d714fb14f8a9
  Author: Miguel Gomez <magomez at igalia.com>
  Date:   2024-04-30 (Tue, 30 Apr 2024)

  Changed paths:
    M Source/WebCore/platform/graphics/egl/GLContext.cpp
    M Source/WebCore/platform/graphics/egl/GLContext.h
    M Source/WebCore/platform/graphics/texmap/BitmapTexture.cpp
    M Source/WebCore/platform/graphics/texmap/BitmapTexture.h

  Log Message:
  -----------
  [GTK][WPE] Don't allow depth test and stencil clipping if packed depth stencil is not supported
https://bugs.webkit.org/show_bug.cgi?id=273177

Reviewed by Carlos Garcia Campos.

Use a packed depth stencil format when available, which allows depth testing
and stencil clipping at the same time. If packed depth stencil is not
supported, use separate buffers for depth and stencil. In the latter case,
if both buffers are requested at the same time, the stencil buffer won't
be created.

* Source/WebCore/platform/graphics/egl/GLContext.cpp:
(WebCore::GLContext::glExtensions const):
* Source/WebCore/platform/graphics/egl/GLContext.h:
* Source/WebCore/platform/graphics/texmap/BitmapTexture.cpp:
(WebCore::depthBufferFormat):
(WebCore::BitmapTexture::initializeStencil):
(WebCore::BitmapTexture::initializeDepthBuffer):
(WebCore::BitmapTexture::~BitmapTexture):
* Source/WebCore/platform/graphics/texmap/BitmapTexture.h:

Canonical link: https://commits.webkit.org/278159@main



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