41 lines
1.2 KiB
HTML
41 lines
1.2 KiB
HTML
<!DOCTYPE html><html>
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<head>
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<style>
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canvas {
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-webkit-transform: translateZ(0);
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}
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</style>
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<script>
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if (window.testRunner) {
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testRunner.dumpAsText();
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testRunner.waitUntilDone();
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}
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function doTest() {
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var canvases = document.getElementsByTagName("canvas");
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for (var i = 0; i < canvases.length; ++i) {
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var c = canvases[i];
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var ctx = c.getContext('2d');
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if (!ctx)
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continue;
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ctx.fillStyle = 'rgba(255,0,0,1)';
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ctx.fillRect(0,0,c.width, c.height);
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}
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if (window.testRunner) {
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document.getElementById('layers').innerText = internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_ACCELERATES_DRAWING);
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testRunner.notifyDone();
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}
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}
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window.addEventListener('load', doTest, false);
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</script>
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</head>
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<body>
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<p>Verifies that 2D canvases with higher than 5120x2880 resolution don't create accelerated backing stores.</p>
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<canvas id="c1" width="512" height="288"></canvas>
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<canvas id="c2" width="5120" height="2880"></canvas>
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<canvas id="c3" width="5200" height="2900"></canvas>
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<pre id="layers">Layer tree goes here in DRT</pre>
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</body>
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</html>
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