[Webkit-unassigned] [Bug 206514] WebDriver screenshot ignores CSS transformations or WebGL content.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=206514

--- Comment #2 from Carlos Alberto Lopez Perez <clopez at igalia.com> ---
Due to this bug (at least) the following WPT tests are failing on https://wpt.fyi

css/css-transforms/perspective-origin-001.html
css/css-transforms/perspective-origin-001.html
css/css-transforms/perspective-origin-002.html
css/css-transforms/perspective-origin-003.html
css/css-transforms/perspective-origin-004.html
css/css-transforms/perspective-origin-005.html
css/css-transforms/perspective-origin-006.html
css/css-transforms/perspective-origin-x.html
css/css-transforms/perspective-origin-xy.html
css/css-transforms/perspective-translateZ-0.html
css/css-transforms/perspective-translateZ-negative.html
css/css-transforms/perspective-translateZ-positive.html
css/css-transforms/text-perspective-001.html
css/css-transforms/transform-3d-rotateY-stair-above-001.xht
css/css-transforms/transform3d-matrix3d-005.html
css/css-transforms/transform3d-perspective-006.html
css/css-transforms/transform3d-preserve3d-011.html
css/css-transforms/transform3d-scale-004.html
css/css-transforms/transform3d-sorting-001.html
css/css-transforms/transofrmed-preserve-3d-1.html

This is because the WPT runner uses webdriver to take the screenshot of the test and its reftest in order to later compare the screenshots (png images).
The test generates a correct result, but WebDriver fails to produce a correct screenshot from it.

Example at: https://wpt.fyi/results/css/css-transforms/perspective-origin-001.html?label=experimental&label=master&product=chrome&product=firefox&product=safari&product=webkitgtk&aligned
(click on compare to see the images produced, and then on "Run in your browser on wpt.live" to see how it runs ok on the browser)

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