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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)
tree10027f336435511475e392454359edea8e25895d /dom/canvas/test/test_offscreencanvas_dynamic_fallback.html
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/dom/canvas/test/test_offscreencanvas_dynamic_fallback.html b/dom/canvas/test/test_offscreencanvas_dynamic_fallback.html
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+++ b/dom/canvas/test/test_offscreencanvas_dynamic_fallback.html
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+<!DOCTYPE HTML>
+<html>
+<head>
+<title>WebGL in OffscreenCanvas</title>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<script src="/tests/SimpleTest/WindowSnapshot.js"></script>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css">
+</head>
+<body>
+<script>
+
+SimpleTest.waitForExplicitFinish();
+
+function createCanvas(initWithMask) {
+ var canvas = document.createElement("canvas");
+ canvas.width = 64;
+ canvas.height = 64;
+ document.body.appendChild(canvas);
+ if (initWithMask) {
+ canvas.style.mask = "url('offscreencanvas_mask.svg#fade_mask_both')";
+ }
+
+ return canvas;
+}
+
+function getRefSnapshot(initWithMask) {
+ var refCanvas = createCanvas(!initWithMask);
+ var ctx = refCanvas.getContext("2d");
+ ctx.rect(0, 0, 64, 64);
+ ctx.fillStyle = "#00FF00";
+ ctx.fill();
+ var result = snapshotWindow(window);
+ document.body.removeChild(refCanvas);
+ return result;
+}
+
+function runTest(initWithMask) {
+ var htmlCanvas = createCanvas(initWithMask);
+ var worker = new Worker("offscreencanvas.js");
+
+ worker.onmessage = function(evt) {
+ var msg = evt.data || {};
+ if (msg.type == "draw") {
+ if (msg.count === 10) {
+ // Change the fallback state dynamically when drawing count reaches 10.
+ if (initWithMask) {
+ htmlCanvas.style.mask = "";
+ } else {
+ htmlCanvas.style.mask = "url('offscreencanvas_mask.svg#fade_mask_both')";
+ }
+ } else if (msg.count === 20) {
+ var snapshotFallback = snapshotWindow(window);
+ worker.terminate();
+ document.body.removeChild(htmlCanvas);
+
+ var results = compareSnapshots(snapshotFallback, getRefSnapshot(initWithMask), true);
+ ok(results[0], "after dynamic fallback, screenshots should be the same");
+
+ if (initWithMask) {
+ SimpleTest.finish();
+ } else {
+ runTest(true);
+ }
+ }
+ }
+ }
+
+ var offscreenCanvas = htmlCanvas.transferControlToOffscreen();
+
+ worker.postMessage({test: 'webgl_fallback', canvas: offscreenCanvas}, [offscreenCanvas]);
+}
+
+SpecialPowers.pushPrefEnv({'set': [
+ ['gfx.offscreencanvas.enabled', true],
+ ['webgl.force-enabled', true],
+]}, runTest.bind(false));
+
+</script>
+</body>
+</html>