WebKit Canvas element invisible on screenshot about playwright

[lucas-jones]

MacOS

[lucas-jones]

Looks to be WebGL Canvas that are invisible, tested on these two links, the Basic Canvas one worked but the WebGL again invisible

Basic Canvas:
https://www.w3schools.com/html/html5_canvas.asp

WebGL Canvas:
https://webglsamples.org/field/field.html

[JoelEinbinder]

Which operating system is this? Thanks.

[pavelfeldman]

I believe this is everywhere. We have test for it that is marked as disabled on both WebKit and Firefox.

playwright/test/screenshot.spec.js

Line 178 in 5c5faf3

it.skip(FFOX || WEBKIT)('should work for webgl', async({page, server}) => {

[pavelfeldman]

@yury-s do you think you can get composited pixels with your new screencasting infrastructure?

[yury-s]

Yes, should be possible. Not sure about full page mode but at least capturing viewport is doable.

[pavelfeldman]

I'll close this as a part of the bug triaging process. We have hundreds of bugs and feature requests with dozens and even hundreds of upvotes, while this one only has a few thumbs up. Please feel free to open a new bug and link this one if you'd like to see it addressed.