[Webkit-unassigned] [Bug 163866] UNPACK_FLIP_Y_WEBGL breaks HLS video textures

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Apr 6 19:05:01 PDT 2017


https://bugs.webkit.org/show_bug.cgi?id=163866

--- Comment #14 from Dean Jackson <dino at apple.com> ---
https://github.com/mrdoob/three.js/issues/9754#issuecomment-268197088

I'm taking a look at fixing this in iOS now. But I'm a bit confused by the comments.

For HLS videos:

- iOS is providing color channels in the wrong order (bgra instead of rgba). The values are otherwise correct though.
- macOS is producing a texture that requires flipping in the X axis. This can be worked around by using setPixelStorei(UNPACK_FLIP_Y_WEBGL, true)
- iOS is producing a texture that requires flipping in the X axis, but the above workaround does not work.

Is this correct?

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