[Webkit-unassigned] [Bug 237906] After 15.4, WebGL renders to offscreen buffer, then back to on-screen, are super broken (strobing, flashing, wrong textures)

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Mar 21 08:41:15 PDT 2022


https://bugs.webkit.org/show_bug.cgi?id=237906

--- Comment #14 from Tim Schaub <tim.schaub+bugzilla at gmail.com> ---
The diff is correct, but the link above is wrong.  It is the gl-scissor-fbo-test.html that can be used to demonstrate the issue: https://github.com/KhronosGroup/WebGL/blob/e45055745a7a501df29f4f35b61b221a22aa0194/sdk/tests/conformance/rendering/gl-scissor-fbo-test.html

The issue we are seeing is not restricted to cases where scissor is used, and this may be a different issue altogether than the one reported here.  I just found that the gl-scissor-fbo-test.html case could be used to reproduce an issue we are seeing with antialias: true on Safari 15.4 w/ Metal.

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