1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/extra/out-of-memory.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,92 @@
1.4 +<!--
1.5 +Copyright (c) 2009 The Chromium Authors. All rights reserved.
1.6 +Use of this source code is governed by a BSD-style license that can be
1.7 +found in the LICENSE file.
1.8 +-->
1.9 +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
1.10 + "http://www.w3.org/TR/html4/loose.dtd">
1.11 +<html>
1.12 +<head>
1.13 +<meta charset="utf-8">
1.14 +<title>WebGL Out Of Memory Test</title>
1.15 +<link rel="stylesheet" href="../resources/js-test-style.css"/>
1.16 +<script src="../resources/desktop-gl-constants.js" type="text/javascript"></script>
1.17 +<script src="../resources/js-test-pre.js"></script>
1.18 +<script src="../conformance/resources/webgl-test.js"></script>
1.19 +</head>
1.20 +<body>
1.21 +<div id="description"></div>
1.22 +<div id="console"></div>
1.23 +<canvas id="canvas" width="2" height="2"> </canvas>
1.24 +<script>
1.25 +debug("This tests WebGL running out of memory.");
1.26 +
1.27 +debug("");
1.28 +debug("Canvas.getContext");
1.29 +
1.30 +var gl = create3DContext(document.getElementById("canvas"));
1.31 +if (!gl) {
1.32 + testFailed("context does not exist");
1.33 +} else {
1.34 + testPassed("context exists");
1.35 +
1.36 + debug("");
1.37 + debug("Allocating shaders.");
1.38 +
1.39 + function makeBigShader() {
1.40 + var lines = [];
1.41 + var line = "// ";
1.42 + for (var ii = 0; ii < 1024; ++ii) {
1.43 + line += String.fromCharCode(48 + ii % 10);
1.44 + }
1.45 + for (var ii = 0; ii < 1024; ++ii) {
1.46 + lines[ii] = line;
1.47 + }
1.48 + var oneMB = lines.join();
1.49 + for (var ii = 0; ii < 64; ++ii) {
1.50 + lines[ii] = oneMB;
1.51 + }
1.52 + return lines.join("\n");
1.53 + }
1.54 +
1.55 + var shaderSource = makeBigShader();
1.56 + debug("created " + Math.floor(shaderSource.length / 1024 / 1024) + "MB shader");
1.57 +
1.58 + var intervalId;
1.59 + var count = 0;
1.60 +
1.61 + function makeShader() {
1.62 + ++count;
1.63 + debug ("creating shader #" + count + " mem = " + Math.floor(shaderSource.length * count / 1024 / 1024) + "MB");
1.64 + var shader = gl.createShader(gl.VERTEX_SHADER);
1.65 + if (shader == null) {
1.66 + window.clearInterval(intervalId);
1.67 + testPassed("createShader returns null"); // not sure this is a passing
1.68 + finish();
1.69 + } else {
1.70 + gl.shaderSource(shader, shaderSource);
1.71 + var err = gl.getError();
1.72 + if (err != gl.NO_ERROR) {
1.73 + window.clearInterval(intervalId);
1.74 + assertMsg(err == gl.OUT_OF_MEMORY, "shaderSource returns OUT_OF_MEMORY");
1.75 + finish();
1.76 + }
1.77 + }
1.78 + }
1.79 +
1.80 + intervalId = window.setInterval(makeShader, 1000/15);
1.81 +}
1.82 +
1.83 +function finish() {
1.84 + debug("");
1.85 + successfullyParsed = true;
1.86 +}
1.87 +
1.88 +</script>
1.89 +<!-- <script>finishTest();</script> -->
1.90 +
1.91 +<script>
1.92 +</script>
1.93 +
1.94 +</body>
1.95 +</html>
