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cabee82044
Backed out changeset 82320c900699 (bug 801176) Backed out changeset 624fb8512ba5 (bug 801176) Backed out changeset a2a7b1c4dc5b (bug 801176) Backed out changeset e210473d793c (bug 801176) Backed out changeset 0fb279e041e1 (bug 801176) Backed out changeset c090dc98c670 (bug 801176) Backed out changeset fc509e59a0cd (bug 801176) Backed out changeset 134a8c56335a (bug 801176) Backed out changeset 2022afa9aef2 (bug 801176)
70 lines
1.9 KiB
HTML
70 lines
1.9 KiB
HTML
<!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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<canvas id="c2" width="64" height="64"></canvas>
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<canvas id="c-ref" 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 worker = new Worker("offscreencanvas.js");
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ok(worker, "Web worker successfully created");
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worker.onmessage = function(evt) {
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var msg = evt.data || {};
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if (msg.type == "test") {
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ok(msg.result, msg.name);
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}
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if (msg.type == "imagebitmap") {
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// testing toBlob
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// Fill c-ref with green color.
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var c = document.getElementById("c-ref");
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var ctx = c.getContext("2d");
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ctx.rect(0, 0, 64, 64);
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ctx.fillStyle = "#00FF00";
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ctx.fill();
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var htmlCanvas = document.getElementById("c");
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var bitmapRenderer = htmlCanvas.getContext("bitmaprenderer");
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bitmapRenderer.transferImageBitmap(msg.bitmap);
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ok(c.toDataURL() == htmlCanvas.toDataURL(),
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"imagebitmap should return a 64x64 green square");
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// The ownership of msg.bitmap should be transferred to canvas "c" when
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// we called transferImageBitmap. So we test if the ownership is actually
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// transferred here.
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var htmlCanvas = document.getElementById("c2");
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var bitmapRenderer = htmlCanvas.getContext("bitmaprenderer");
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bitmapRenderer.transferImageBitmap(msg.bitmap);
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SimpleTest.doesThrow(
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function() { c2.toDataURL(); },
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"ImageBitmap has been transferred, toDataURL will throw.");
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worker.terminate();
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SimpleTest.finish();
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}
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}
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worker.postMessage({test: 'webgl_imagebitmap'});
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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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