[Webkit-unassigned] [Bug 235043] texImage2D with ImageBitmap from a video element is slow

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=235043

--- Comment #5 from Simon Taylor <simontaylor1 at ntlworld.com> ---
Using RGBA as format and internal format is recommended on Safari, RGB has a bit of a performace penalty.

Your timings do seem high though - what hardware / Safari version are you seeing this with? What's the src for the video element? What's the video resolution?

It's possible you're seeing bug 236699.

This bug is specifically about ImageBitmap from a video element being slow to upload:
createImageBitmap(this.videoElement).then(bitmap => {
   gl.texImage2d(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, bitmap);
});

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