| Index: extra/out-of-vram.html
|
| ===================================================================
|
| --- extra/out-of-vram.html (revision 0)
|
| +++ extra/out-of-vram.html (revision 0)
|
| @@ -0,0 +1,115 @@
|
| +<!--
|
| +Copyright (c) 2009 The Chromium Authors. All rights reserved.
|
| +Use of this source code is governed by a BSD-style license that can be
|
| +found in the LICENSE file.
|
| +-->
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<head>
|
| +<meta charset="utf-8">
|
| +<title>WebGL Out Of VRAM Test</title>
|
| +<link rel="stylesheet" href="../resources/js-test-style.css"/>
|
| +<script src="../resources/desktop-gl-constants.js" type="text/javascript"></script>
|
| +<script src="../resources/js-test-pre.js"></script>
|
| +<script src="../conformance/resources/webgl-test.js"></script>
|
| +<script src="../conformance/resources/webgl-test-utils.js"></script>
|
| +</head>
|
| +<body>
|
| +<div id="description"></div>
|
| +<div id="console"></div>
|
| +<canvas id="canvas" width="2" height="2"> </canvas>
|
| +<script>
|
| +debug("This tests WebGL running out of vram.");
|
| +
|
| +debug("");
|
| +debug("Canvas.getContext");
|
| +
|
| +var wtu = WebGLTestUtils;
|
| +var canvas = document.getElementById("canvas");
|
| +try {
|
| + var gl = create3DContext(canvas);
|
| +} catch(e) {
|
| +}
|
| +if (!gl) {
|
| + testFailed("could not create context");
|
| +} else {
|
| + testPassed("context exists");
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| +
|
| + var args = wtu.getUrlArguments();
|
| +
|
| + canvas.addEventListener('webglcontextlost', contextLost, false);
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| +
|
| + function contextLost(e) {
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| + e.preventDefault();
|
| + debug("***context lost***");
|
| + }
|
| +
|
| + function contextRestored(e) {
|
| + debug("***context restored***");
|
| + }
|
| +
|
| + debug("");
|
| + debug("Allocating textures.");
|
| +
|
| + var intervalId;
|
| + var count = 0;
|
| + var textureMem = 0;
|
| + var textures = [];
|
| + var size = 2048;
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| + var limit = (args.limit ? args.limit : 8192) * 1024 * 1024;
|
| +
|
| + debug("limit: " + InMB(limit))
|
| +
|
| + function InMB(v) {
|
| + return "" + Math.floor(v / 1024 / 1024) + "MB";
|
| + }
|
| +
|
| + function makeTexture() {
|
| + if (gl.isContextLost()) {
|
| + stop("out of memory");
|
| + return;
|
| + }
|
| + ++count;
|
| + textureMem += size * size * 4;
|
| + if (textureMem > limit) {
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| + stop("reached limit");
|
| + return;
|
| + }
|
| + debug ("creating texture #" + count + " mem = " + InMB(textureMem));
|
| + var texture = gl.createTexture();
|
| + textures.push(texture);
|
| + gl.bindTexture(gl.TEXTURE_2D, texture);
|
| + gl.texImage2D(gl.TEXTURE_2D,
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| + 0, // level
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| + gl.RGBA, // internalFormat
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| + size, // width
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| + size, // height
|
| + 0, // border
|
| + gl.RGBA, // format
|
| + gl.UNSIGNED_BYTE, // type
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| + null); // data
|
| + var err = gl.getError();
|
| + if (err != gl.NO_ERROR) {
|
| + stop("out of memory");
|
| + return;
|
| + }
|
| + }
|
| +
|
| + intervalId = window.setInterval(makeTexture, 1000 / 15);
|
| +
|
| +}
|
| +
|
| +function stop(msg) {
|
| + window.clearInterval(intervalId);
|
| + testPassed(msg);
|
| + finish();
|
| +}
|
| +
|
| +function finish() {
|
| + debug("");
|
| + successfullyParsed = true;
|
| +}
|
| +
|
| +</script>
|
| +</body>
|
| +</html>
|
|
|
| Property changes on: extra/out-of-vram.html
|
| ___________________________________________________________________
|
| Added: svn:executable
|
| + *
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|
Chromium Code Reviews
Issue 8342021:
Add webgl conformance tests r15841. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/