Index: extra/out-of-resources.html |
=================================================================== |
--- extra/out-of-resources.html (revision 0) |
+++ extra/out-of-resources.html (revision 0) |
@@ -0,0 +1,109 @@ |
+<!-- |
+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 PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" |
+ "http://www.w3.org/TR/html4/loose.dtd"> |
+<html> |
+<head> |
+<meta charset="utf-8"> |
+<title>WebGL Out Of Resources Test</title> |
+<link rel="stylesheet" href="../resources/js-test-style.css"/> |
+<script src="../resources/desktop-gl-constants.js" type="text/javascript"></script> |
+<script src="../../debug/webgl-debug.js"></script> |
+<script src="../resources/js-test-pre.js"></script> |
+<script src="../conformance/resources/webgl-test.js"></script> |
+</head> |
+<body> |
+<div id="description"></div> |
+<div id="console"></div> |
+<canvas id="canvas" width="2" height="2"> </canvas> |
+<canvas id="canvas2" width="2" height="2"> </canvas> |
+<script> |
+window.onload = init; |
+debug("Tests a WebGL program that tries to use all of vram."); |
+ |
+function init() { |
+ if (confirm( |
+ "after clicking ok your machine may be come unresponsive or crash")) { |
+ main(); |
+ } else { |
+ debug("cancelled"); |
+ } |
+} |
+ |
+function main() { |
+ debug(""); |
+ debug("Canvas.getContext"); |
+ |
+ var gl = create3DContext(document.getElementById("canvas")); |
+ if (!gl) { |
+ testFailed("context does not exist"); |
+ } else { |
+ testPassed("context exists"); |
+ |
+ debug(""); |
+ debug("Checking for out of memory handling."); |
+ |
+ var size = gl.getParameter(gl.MAX_RENDERBUFFER_SIZE); |
+ debug("max render buffer size: " + size); |
+ |
+ var allocateFramebuffers = true; |
+ var itervalId; |
+ var count = 0; |
+ |
+ gl = WebGLDebugUtils.makeDebugContext(gl, function(err, functionName, args) { |
+ window.clearInterval(intervalId); |
+ assertMsg(err == gl.OUT_OF_MEMORY, |
+ "correctly returns gl.OUT_OF_MEMORY when out of memory"); |
+ finish(); |
+ }); |
+ |
+ intervalId = window.setInterval(function() { |
+ ++count; |
+ var mem = count * size * size * 4; |
+ debug("#" + count + " : memory allocated so far " + (mem / 1024 / 1024) + "MB"); |
+ var tex = gl.createTexture(); |
+ gl.bindTexture(gl.TEXTURE_2D, tex); |
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); |
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); |
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); |
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); |
+ gl.texImage2D(gl.TEXTURE_2D, |
+ 0, // level |
+ gl.RGBA, // internalFormat |
+ size, // width |
+ size, // height |
+ 0, // border |
+ gl.RGBA, // format |
+ gl.UNSIGNED_BYTE, // type |
+ null); // data |
+ if (allocateFrameBuffers) { |
+ var fb = gl.createFramebuffer(); |
+ gl.bindFramebuffer(gl.FRAMEBUFFER, fb); |
+ gl.framebufferTexture2D( |
+ gl.FRAMEBUFFER, |
+ gl.COLOR_ATTACHMENT0, |
+ gl.TEXTURE_2D, |
+ tex, |
+ 0); |
+ var status = gl.checkFramebufferStatus(gl.FRAMEBUFFER); |
+ if (status != gl.FRAMEBUFFER_COMPLETE) { |
+ testFailed("gl.checkFramebufferStatus() returned " + WebGLDebugUtils.glEnumToString(status) + |
+ " should have gotten gl.OUT_OF_MEMORY before getting this."); |
+ window.clearInterval(intervalId); |
+ finish(); |
+ } |
+ } |
+ }, 1000/10); |
+ } |
+ |
+ function finish() { |
+ debug(""); |
+ successfullyParsed = true; |
+ } |
+} |
+</script> |
+</body> |
+</html> |
Property changes on: extra/out-of-resources.html |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |