1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/extra/out-of-resources.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,109 @@
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 Resources 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="../../debug/webgl-debug.js"></script>
1.18 +<script src="../resources/js-test-pre.js"></script>
1.19 +<script src="../conformance/resources/webgl-test.js"></script>
1.20 +</head>
1.21 +<body>
1.22 +<div id="description"></div>
1.23 +<div id="console"></div>
1.24 +<canvas id="canvas" width="2" height="2"> </canvas>
1.25 +<canvas id="canvas2" width="2" height="2"> </canvas>
1.26 +<script>
1.27 +window.onload = init;
1.28 +debug("Tests a WebGL program that tries to use all of vram.");
1.29 +
1.30 +function init() {
1.31 + if (confirm(
1.32 + "after clicking ok your machine may be come unresponsive or crash")) {
1.33 + main();
1.34 + } else {
1.35 + debug("cancelled");
1.36 + }
1.37 +}
1.38 +
1.39 +function main() {
1.40 + debug("");
1.41 + debug("Canvas.getContext");
1.42 +
1.43 + var gl = create3DContext(document.getElementById("canvas"));
1.44 + if (!gl) {
1.45 + testFailed("context does not exist");
1.46 + } else {
1.47 + testPassed("context exists");
1.48 +
1.49 + debug("");
1.50 + debug("Checking for out of memory handling.");
1.51 +
1.52 + var size = gl.getParameter(gl.MAX_RENDERBUFFER_SIZE);
1.53 + debug("max render buffer size: " + size);
1.54 +
1.55 + var allocateFramebuffers = true;
1.56 + var itervalId;
1.57 + var count = 0;
1.58 +
1.59 + gl = WebGLDebugUtils.makeDebugContext(gl, function(err, functionName, args) {
1.60 + window.clearInterval(intervalId);
1.61 + assertMsg(err == gl.OUT_OF_MEMORY,
1.62 + "correctly returns gl.OUT_OF_MEMORY when out of memory");
1.63 + finish();
1.64 + });
1.65 +
1.66 + intervalId = window.setInterval(function() {
1.67 + ++count;
1.68 + var mem = count * size * size * 4;
1.69 + debug("#" + count + " : memory allocated so far " + (mem / 1024 / 1024) + "MB");
1.70 + var tex = gl.createTexture();
1.71 + gl.bindTexture(gl.TEXTURE_2D, tex);
1.72 + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
1.73 + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
1.74 + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
1.75 + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
1.76 + gl.texImage2D(gl.TEXTURE_2D,
1.77 + 0, // level
1.78 + gl.RGBA, // internalFormat
1.79 + size, // width
1.80 + size, // height
1.81 + 0, // border
1.82 + gl.RGBA, // format
1.83 + gl.UNSIGNED_BYTE, // type
1.84 + null); // data
1.85 + if (allocateFrameBuffers) {
1.86 + var fb = gl.createFramebuffer();
1.87 + gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
1.88 + gl.framebufferTexture2D(
1.89 + gl.FRAMEBUFFER,
1.90 + gl.COLOR_ATTACHMENT0,
1.91 + gl.TEXTURE_2D,
1.92 + tex,
1.93 + 0);
1.94 + var status = gl.checkFramebufferStatus(gl.FRAMEBUFFER);
1.95 + if (status != gl.FRAMEBUFFER_COMPLETE) {
1.96 + testFailed("gl.checkFramebufferStatus() returned " + WebGLDebugUtils.glEnumToString(status) +
1.97 + " should have gotten gl.OUT_OF_MEMORY before getting this.");
1.98 + window.clearInterval(intervalId);
1.99 + finish();
1.100 + }
1.101 + }
1.102 + }, 1000/10);
1.103 + }
1.104 +
1.105 + function finish() {
1.106 + debug("");
1.107 + successfullyParsed = true;
1.108 + }
1.109 +}
1.110 +</script>
1.111 +</body>
1.112 +</html>
