2015-10-12 03:21:03 +00:00
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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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<script>
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SimpleTest.waitForExplicitFinish();
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2016-03-04 07:23:20 +00:00
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function createCanvas() {
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var htmlCanvas = document.createElement('canvas');
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2015-10-12 03:21:03 +00:00
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ok(htmlCanvas, "Should have HTML canvas element");
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2016-03-04 07:23:20 +00:00
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ok(htmlCanvas.transferControlToOffscreen,
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"HTMLCanvasElement has transferControlToOffscreen function");
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htmlCanvas.width = 64;
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htmlCanvas.height = 64;
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document.body.appendChild(htmlCanvas);
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return htmlCanvas;
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}
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2015-10-12 03:21:03 +00:00
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2016-03-04 07:23:20 +00:00
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function transferCtrlToOffscreen(canvas) {
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var offscreencanvas = canvas.transferControlToOffscreen();
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ok(offscreencanvas, "Expected transferControlToOffscreen to succeed");
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return offscreencanvas;
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}
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2015-10-12 03:21:03 +00:00
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2016-03-04 07:23:20 +00:00
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function testShareWorker(worker, canvasType) {
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var offscreenCanvas = transferCtrlToOffscreen(createCanvas());
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2015-10-12 03:21:03 +00:00
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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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2016-03-04 07:23:20 +00:00
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worker.port.postMessage({canvasType: canvasType, testType: 'basic',
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canvas: offscreenCanvas}, [offscreenCanvas]);
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2015-10-12 03:21:03 +00:00
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},
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"OffscreenCanvas cannot transfer to shared worker"
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);
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2016-03-04 07:23:20 +00:00
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}
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function runTest() {
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var worker = new SharedWorker("offscreencanvas.js");
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ok(worker, "Web worker successfully created");
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worker.port.start();
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testShareWorker(worker, '2d');
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testShareWorker(worker, 'webgl');
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2015-10-12 03:21:03 +00:00
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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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