LayoutTests/compositing/change-from-paints-into-ancestor-to-paints-into-own-backing-for-ancestor-reason.html - Issue 512293002: Fix paint invalidation when composited layers change from paints-into-ancestor to self-painting.

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Issue 512293002: Fix paint invalidation when composited layers change from paints-into-ancestor to self-painting. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Fix test. Created 6 years, 3 months ago

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	1 <!DOCTYPE html>

	2 <div id="target" style="transform: translateZ(0); width: 100px; height: 100px; b ackground-color: lightblue">

	3 <div style="perspective: 20px; width: 100px; height: 100px; background-color: lightgray">

	4 <div style="width: 50px; height: 50px; transform: translateZ(1px); backgrou nd-color: yellow">

	5 </div>

	6 </div>

	7 </div>

	8 <script src="../fast/repaint/resources/text-based-repaint.js"></script>

	9 <script>

	10 // Tests that transitioning the container div from "composited but paints into ancestor" into "composited into own backing"

	11 // for ancestor reasons (in this case due to opacity change) correctly invalidat es the old paint invalidation backing (document)

	12 // before the change. In this case, the reason it can no longer paint into its a ncestor is because the ancestor has no visible content

	13 // (since the background color is removed).

	14 function repaintTest() {

	15 target.style.backgroundColor = '';

	16 }

	17 runRepaintTest()

	18 </script>

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