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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+<!DOCTYPE HTML>
+<html>
+<head>
+<title>WebGL in OffscreenCanvas</title>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css">
+</head>
+<body>
+<canvas id="c" width="64" height="64"></canvas>
+<canvas id="c2" width="64" height="64"></canvas>
+<canvas id="c-ref" width="64" height="64"></canvas>
+<script>
+
+SimpleTest.waitForExplicitFinish();
+
+function runTest() {
+
+ var worker = new Worker("offscreencanvas.js");
+
+ ok(worker, "Web worker successfully created");
+
+ worker.onmessage = function(evt) {
+ var msg = evt.data || {};
+ if (msg.type == "test") {
+ ok(msg.result, msg.name);
+ }
+ if (msg.type == "imagebitmap") {
+ // testing toBlob
+ // Fill c-ref with green color.
+ var c = document.getElementById("c-ref");
+ var ctx = c.getContext("2d");
+ ctx.rect(0, 0, 64, 64);
+ ctx.fillStyle = "#00FF00";
+ ctx.fill();
+
+ var htmlCanvas = document.getElementById("c");
+ var bitmapRenderer = htmlCanvas.getContext("bitmaprenderer");
+ bitmapRenderer.transferFromImageBitmap(msg.bitmap);
+
+ ok(c.toDataURL() == htmlCanvas.toDataURL(),
+ "imagebitmap should return a 64x64 green square");
+
+ // The ownership of msg.bitmap should be transferred to canvas "c" when
+ // we called transferFromImageBitmap. So we test if the ownership is actually
+ // transferred here.
+ var htmlCanvas = document.getElementById("c2");
+ var bitmapRenderer = htmlCanvas.getContext("bitmaprenderer");
+ bitmapRenderer.transferFromImageBitmap(msg.bitmap);
+
+ SimpleTest.doesThrow(
+ function() { c2.toDataURL(); },
+ "ImageBitmap has been transferred, toDataURL will throw.");
+
+ worker.terminate();
+ SimpleTest.finish();
+ }
+ }
+
+ worker.postMessage({test: 'webgl_imagebitmap'});
+}
+
+SpecialPowers.pushPrefEnv({'set': [
+ ['gfx.offscreencanvas.enabled', true],
+ ['webgl.force-enabled', true],
+]}, runTest);
+
+</script>
+</body>
+</html>