[Webkit-unassigned] [Bug 238197] New: WebGL: rendering difference OpenGL, Metal: MSAA + disable depth_test causes depth invalid depth buffer (AMD)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=238197

            Bug ID: 238197
           Summary: WebGL: rendering difference OpenGL, Metal: MSAA +
                    disable depth_test causes depth invalid depth buffer
                    (AMD)
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kkinnunen at apple.com
                CC: dino at apple.com, kbr at google.com, kkinnunen at apple.com

WebGL: rendering difference OpenGL, Metal, AMD: MSAA + disable depth_test causes depth invalid depth buffer

iMacPro1,1 AMD OpenGL: white outer rectangle
iMacPro1,1 AMD Metal: black outer rectangle

https://github.com/brendan-duncan/webgl_bug_tests/blob/main/msaa_depth_buffer.html
and viewed from here:
https://brendan-duncan.github.io/webgl_bug_tests/msaa_depth_buffer.html

>From bug 238118

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