| OLD | NEW |
|---|
| (Empty) | |
| 1 <!-- |
| 2 |
| 3 /* |
| 4 ** Copyright (c) 2012 The Khronos Group Inc. |
| 5 ** |
| 6 ** Permission is hereby granted, free of charge, to any person obtaining a |
| 7 ** copy of this software and/or associated documentation files (the |
| 8 ** "Materials"), to deal in the Materials without restriction, including |
| 9 ** without limitation the rights to use, copy, modify, merge, publish, |
| 10 ** distribute, sublicense, and/or sell copies of the Materials, and to |
| 11 ** permit persons to whom the Materials are furnished to do so, subject to |
| 12 ** the following conditions: |
| 13 ** |
| 14 ** The above copyright notice and this permission notice shall be included |
| 15 ** in all copies or substantial portions of the Materials. |
| 16 ** |
| 17 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 18 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 19 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 20 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 21 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 22 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 23 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| 24 */ |
| 25 |
| 26 --> |
| 27 |
| 28 <!DOCTYPE html> |
| 29 <html> |
| 30 <head> |
| 31 <meta charset="utf-8"> |
| 32 <title>WebGL Out Of VRAM Test</title> |
| 33 <link rel="stylesheet" href="../resources/js-test-style.css"/> |
| 34 <script src="../resources/desktop-gl-constants.js" type="text/javascript"></scri
pt> |
| 35 <script src="../resources/js-test-pre.js"></script> |
| 36 <script src="../conformance/resources/webgl-test.js"></script> |
| 37 <script src="../conformance/resources/webgl-test-utils.js"></script> |
| 38 </head> |
| 39 <body> |
| 40 <div id="description"></div> |
| 41 <div id="console"></div> |
| 42 <canvas id="canvas" width="2" height="2"> </canvas> |
| 43 <script> |
| 44 debug("This tests WebGL running out of vram."); |
| 45 |
| 46 debug(""); |
| 47 debug("Canvas.getContext"); |
| 48 |
| 49 var wtu = WebGLTestUtils; |
| 50 var canvas = document.getElementById("canvas"); |
| 51 try { |
| 52 var gl = create3DContext(canvas); |
| 53 } catch(e) { |
| 54 } |
| 55 if (!gl) { |
| 56 testFailed("could not create context"); |
| 57 } else { |
| 58 testPassed("context exists"); |
| 59 |
| 60 var args = wtu.getUrlArguments(); |
| 61 |
| 62 canvas.addEventListener('webglcontextlost', contextLost, false); |
| 63 |
| 64 function contextLost(e) { |
| 65 e.preventDefault(); |
| 66 debug("***context lost***"); |
| 67 } |
| 68 |
| 69 function contextRestored(e) { |
| 70 debug("***context restored***"); |
| 71 } |
| 72 |
| 73 debug(""); |
| 74 debug("Allocating textures."); |
| 75 |
| 76 var intervalId; |
| 77 var count = 0; |
| 78 var textureMem = 0; |
| 79 var textures = []; |
| 80 var size = 2048; |
| 81 var limit = (args.limit ? args.limit : 8192) * 1024 * 1024; |
| 82 |
| 83 debug("limit: " + InMB(limit)) |
| 84 |
| 85 function InMB(v) { |
| 86 return "" + Math.floor(v / 1024 / 1024) + "MB"; |
| 87 } |
| 88 |
| 89 function makeTexture() { |
| 90 if (gl.isContextLost()) { |
| 91 stop("out of memory"); |
| 92 return; |
| 93 } |
| 94 ++count; |
| 95 textureMem += size * size * 4; |
| 96 if (textureMem > limit) { |
| 97 stop("reached limit"); |
| 98 return; |
| 99 } |
| 100 debug ("creating texture #" + count + " mem = " + InMB(textureMem)); |
| 101 var texture = gl.createTexture(); |
| 102 textures.push(texture); |
| 103 gl.bindTexture(gl.TEXTURE_2D, texture); |
| 104 gl.texImage2D(gl.TEXTURE_2D, |
| 105 0, // level |
| 106 gl.RGBA, // internalFormat |
| 107 size, // width |
| 108 size, // height |
| 109 0, // border |
| 110 gl.RGBA, // format |
| 111 gl.UNSIGNED_BYTE, // type |
| 112 null); // data |
| 113 var err = gl.getError(); |
| 114 if (err != gl.NO_ERROR) { |
| 115 stop("out of memory"); |
| 116 return; |
| 117 } |
| 118 } |
| 119 |
| 120 intervalId = window.setInterval(makeTexture, 1000 / 15); |
| 121 |
| 122 } |
| 123 |
| 124 function stop(msg) { |
| 125 window.clearInterval(intervalId); |
| 126 testPassed(msg); |
| 127 finish(); |
| 128 } |
| 129 |
| 130 function finish() { |
| 131 debug(""); |
| 132 successfullyParsed = true; |
| 133 } |
| 134 |
| 135 </script> |
| 136 </body> |
| 137 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 10399113:
Roll webgl conformance tests to r17874: part 2, adding r17874 (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/