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48 lines
1.2 KiB
HTML
48 lines
1.2 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>WebGL in OffscreenCanvas</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" href="/tests/SimpleTest/test.css">
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</head>
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<body>
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<canvas id="c" width="64" height="64"></canvas>
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<script>
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SimpleTest.waitForExplicitFinish();
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function runTest() {
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var htmlCanvas = document.getElementById("c");
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var worker = new SharedWorker("offscreencanvas.js");
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ok(htmlCanvas, "Should have HTML canvas element");
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ok(worker, "Web worker successfully created");
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ok(htmlCanvas.transferControlToOffscreen, "HTMLCanvasElement has transferControlToOffscreen function");
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var offscreenCanvas = htmlCanvas.transferControlToOffscreen();
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ok(offscreenCanvas, "Expected transferControlToOffscreen to succeed");
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worker.port.start();
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// We don't support transferring OffscreenCanvas via shared worker.
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SimpleTest.doesThrow(
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function() {
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worker.port.postMessage({test: 'webgl', canvas: offscreenCanvas}, [offscreenCanvas]);
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},
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"OffscreenCanvas cannot transfer to shared worker"
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);
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SimpleTest.finish();
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}
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SpecialPowers.pushPrefEnv({'set': [
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['gfx.offscreencanvas.enabled', true],
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['webgl.force-enabled', true],
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]}, runTest);
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</script>
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</body>
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</html>
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