RESOLVED DUPLICATE of bug 229439229508
Link program fails if shader contains 0.0/0.0 
https://bugs.webkit.org/show_bug.cgi?id=229508
Summary Link program fails if shader contains 0.0/0.0
Pessimistress
Reported 2021-08-25 11:50:28 PDT
Version: Safari 15.0 (Webkit 16612.1.26.1.5) Minimal sample to reproduce: - Open https://codepen.io/Pessimistress/pen/dyRPjOd, link program fails with message "Internal error compiling shader with Metal backend.\nPlease submit this shader, or website as a bug to https://bugs.webkit.org" - Change `0.0 / 0.0` to `1.0 / 0.0`, renders successfully - Either fails in Firefox or Chrome According to https://www.khronos.org/registry/OpenGL/specs/es/3.0/GLSL_ES_Specification_3.00.pdf, section 5.9: "Dividing by zero does not cause an exception but does result in an unspecified value."
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Kenneth Russell
Comment 1 2021-08-25 13:17:56 PDT
This is probably a duplicate of Bug 229439, in which infinities / NaNs are being fixed.
Kimmo Kinnunen
Comment 2 2021-08-30 11:13:10 PDT
Thanks for the report! I think this is now fixed. *** This bug has been marked as a duplicate of bug 229439 ***
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