[Webkit-unassigned] [Bug 223778] New: [Metal ANGLE] Mipmap generation on Intel does not reliably work for textures with width less than four

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=223778

            Bug ID: 223778
           Summary: [Metal ANGLE] Mipmap generation on Intel does not
                    reliably work for textures with width less than four
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: ANGLE
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kpiddington at apple.com
                CC: dino at apple.com, kkinnunen at apple.com

The following four tests are failing on Intel configurations

webgl/1.0.3/conformance/limits/gl-max-texture-dimensions.html
webgl/1.0.3/conformance/textures/texture-size.html
webgl/2.0.0/conformance/limits/gl-max-texture-dimensions.html
webgl/2.0.0/conformance/textures/misc/texture-size.html

All four are failing in subcases when sampling off of mipmaps of 'thin' textures. (Textures with a width less than four, in this case.)

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