blob: 828b73ff0d9f73fc090a8a3c3e022642dbccc9d9 [file] [log] [blame]
<!DOCTYPE HTML>
<!-- READ BEFORE UPDATING:
If this test is updated make sure to increment the "revision" value of the
associated test in content/test/gpu/gpu_tests/pixel_test_pages.py. This will ensure
that the baseline images are regenerated on the next run.
-->
<html>
<head>
<title>OffscreenCanvas transferToImageBitmap on worker thread: green and blue squares on white background.</title>
<style type="text/css">
.nomargin {
margin: 0px auto;
}
</style>
<script id="myWorker" type="text/worker">
self.onmessage = function(e) {
var canvas1 = new OffscreenCanvas(100, 100);
var gl1 = canvas1.getContext('webgl');
gl1.clearColor(0.0, 1.0, 0.0, 1.0);
gl1.clear(gl1.COLOR_BUFFER_BIT);
var canvas2 = new OffscreenCanvas(100, 100);
var gl2 = canvas2.getContext('webgl');
gl2.clearColor(0.0, 0.0, 1.0, 1.0);
gl2.clear(gl2.COLOR_BUFFER_BIT);
var image1 = canvas1.transferToImageBitmap();
var image2 = canvas2.transferToImageBitmap();
self.postMessage({bitmap1: image1, bitmap2: image2}, [image1, image2]);
};
</script>
<script>
var g_swapsBeforeAck = 15;
function makeWorker(script) {
var blob = new Blob([script]);
return new Worker(URL.createObjectURL(blob));
}
function main()
{
draw();
}
function draw()
{
var worker = makeWorker(document.getElementById("myWorker").textContent);
worker.onmessage = function(msg) {
var bitmap1 = msg.data.bitmap1;
var bitmap2 = msg.data.bitmap2;
var canvas1 = document.getElementById("canvas1");
var ctx1 = canvas1.getContext('bitmaprenderer');
ctx1.transferFromImageBitmap(bitmap1);
var canvas2 = document.getElementById('canvas2');
var ctx2 = canvas2.getContext('bitmaprenderer');
ctx2.transferFromImageBitmap(bitmap2);
waitForFinish();
}
worker.postMessage("");
}
function waitForFinish()
{
if (g_swapsBeforeAck == 0) {
domAutomationController.setAutomationId(1);
domAutomationController.send("SUCCESS");
} else {
g_swapsBeforeAck--;
document.getElementById('container').style.zIndex = g_swapsBeforeAck + 1;
window.requestAnimationFrame(waitForFinish);
}
}
</script>
</head>
<body onload="main()">
<div style="position:relative; width:200px; height:200px; background-color:white">
</div>
<div id="container" style="position:absolute; top:0px; left:0px">
<canvas id="canvas1" width="100" height="100" class="nomargin"></canvas>
</div>
<div id="container" style="position:absolute; top:0px; left:150px">
<canvas id="canvas2" width="100" height="100" class="nomargin"></canvas>
</div>
</body>
</html>