[Webkit-unassigned] [Bug 273074] Screen-space refraction demo doesn't work on iPhone 15

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=273074

--- Comment #3 from Kenneth Russell <kbr at google.com> ---
For the record, Alexey Knyazev diagnosed this and it seems to be a bug in the demo where it assumes the presence of OES_texture_float_linear, which doesn't exist on iOS. This is a common problem causing un-portability of WebGL apps to iOS so we're going to update the WebGL Best Practices on MDN to highlight this, and also try to propose a PR against the upstream demo to use fp16 textures rather than fp32, which will also implicitly fix this problem.

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