mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-02 07:05:24 +00:00
81 lines
2.2 KiB
HTML
81 lines
2.2 KiB
HTML
<!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>
|