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| 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 Resources 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="../../debug/webgl-debug.js"></script> |
| 36 <script src="../resources/js-test-pre.js"></script> |
| 37 <script src="../conformance/resources/webgl-test.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 <canvas id="canvas2" width="2" height="2"> </canvas> |
| 44 <script> |
| 45 window.onload = init; |
| 46 debug("Tests a WebGL program that tries to use all of vram."); |
| 47 |
| 48 function init() { |
| 49 if (confirm( |
| 50 "after clicking ok your machine may be come unresponsive or crash")) { |
| 51 main(); |
| 52 } else { |
| 53 debug("cancelled"); |
| 54 } |
| 55 } |
| 56 |
| 57 function main() { |
| 58 debug(""); |
| 59 debug("Canvas.getContext"); |
| 60 |
| 61 var gl = create3DContext(document.getElementById("canvas")); |
| 62 if (!gl) { |
| 63 testFailed("context does not exist"); |
| 64 } else { |
| 65 testPassed("context exists"); |
| 66 |
| 67 debug(""); |
| 68 debug("Checking for out of memory handling."); |
| 69 |
| 70 var size = gl.getParameter(gl.MAX_RENDERBUFFER_SIZE); |
| 71 debug("max render buffer size: " + size); |
| 72 |
| 73 var allocateFramebuffers = true; |
| 74 var itervalId; |
| 75 var count = 0; |
| 76 |
| 77 gl = WebGLDebugUtils.makeDebugContext(gl, function(err, functionName, args)
{ |
| 78 window.clearInterval(intervalId); |
| 79 assertMsg(err == gl.OUT_OF_MEMORY, |
| 80 "correctly returns gl.OUT_OF_MEMORY when out of memory"); |
| 81 finish(); |
| 82 }); |
| 83 |
| 84 intervalId = window.setInterval(function() { |
| 85 ++count; |
| 86 var mem = count * size * size * 4; |
| 87 debug("#" + count + " : memory allocated so far " + (mem / 1024 / 1024) +
"MB"); |
| 88 var tex = gl.createTexture(); |
| 89 gl.bindTexture(gl.TEXTURE_2D, tex); |
| 90 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); |
| 91 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); |
| 92 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); |
| 93 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); |
| 94 gl.texImage2D(gl.TEXTURE_2D, |
| 95 0, // level |
| 96 gl.RGBA, // internalFormat |
| 97 size, // width |
| 98 size, // height |
| 99 0, // border |
| 100 gl.RGBA, // format |
| 101 gl.UNSIGNED_BYTE, // type |
| 102 null); // data |
| 103 if (allocateFrameBuffers) { |
| 104 var fb = gl.createFramebuffer(); |
| 105 gl.bindFramebuffer(gl.FRAMEBUFFER, fb); |
| 106 gl.framebufferTexture2D( |
| 107 gl.FRAMEBUFFER, |
| 108 gl.COLOR_ATTACHMENT0, |
| 109 gl.TEXTURE_2D, |
| 110 tex, |
| 111 0); |
| 112 var status = gl.checkFramebufferStatus(gl.FRAMEBUFFER); |
| 113 if (status != gl.FRAMEBUFFER_COMPLETE) { |
| 114 testFailed("gl.checkFramebufferStatus() returned " + WebGLDebugUtils.g
lEnumToString(status) + |
| 115 " should have gotten gl.OUT_OF_MEMORY before getting this."
); |
| 116 window.clearInterval(intervalId); |
| 117 finish(); |
| 118 } |
| 119 } |
| 120 }, 1000/10); |
| 121 } |
| 122 |
| 123 function finish() { |
| 124 debug(""); |
| 125 successfullyParsed = true; |
| 126 } |
| 127 } |
| 128 </script> |
| 129 </body> |
| 130 </html> |
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Chromium Code Reviews
Issue 10399113:
Roll webgl conformance tests to r17874: part 2, adding r17874 (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/