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| /* |
| ** Copyright (c) 2012 The Khronos Group Inc. |
| ** |
| ** Permission is hereby granted, free of charge, to any person obtaining a |
| ** copy of this software and/or associated documentation files (the |
| ** "Materials"), to deal in the Materials without restriction, including |
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| ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL Out Of Memory Test</title> |
| <link rel="stylesheet" href="../resources/js-test-style.css"/> |
| <script src="../resources/js-test-pre.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> |
| "use strict"; |
| debug("This tests WebGL running out of memory."); |
| |
| debug(""); |
| debug("Canvas.getContext"); |
| |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext("canvas"); |
| if (!gl) { |
| testFailed("context does not exist"); |
| } else { |
| testPassed("context exists"); |
| |
| debug(""); |
| debug("Allocating shaders."); |
| |
| function makeBigShader() { |
| var lines = []; |
| var line = "// "; |
| for (var ii = 0; ii < 1024; ++ii) { |
| line += String.fromCharCode(48 + ii % 10); |
| } |
| for (var ii = 0; ii < 1024; ++ii) { |
| lines[ii] = line; |
| } |
| var oneMB = lines.join(); |
| for (var ii = 0; ii < 64; ++ii) { |
| lines[ii] = oneMB; |
| } |
| return lines.join("\n"); |
| } |
| |
| var shaderSource = makeBigShader(); |
| debug("created " + Math.floor(shaderSource.length / 1024 / 1024) + "MB shader"); |
| |
| var intervalId; |
| var count = 0; |
| |
| function makeShader() { |
| ++count; |
| debug ("creating shader #" + count + " mem = " + Math.floor(shaderSource.length * count / 1024 / 1024) + "MB"); |
| var shader = gl.createShader(gl.VERTEX_SHADER); |
| if (shader == null) { |
| window.clearInterval(intervalId); |
| testPassed("createShader returns null"); // not sure this is a passing |
| finish(); |
| } else { |
| gl.shaderSource(shader, shaderSource); |
| var err = gl.getError(); |
| if (err != gl.NO_ERROR) { |
| window.clearInterval(intervalId); |
| assertMsg(err == gl.OUT_OF_MEMORY, "shaderSource returns OUT_OF_MEMORY"); |
| finish(); |
| } |
| } |
| } |
| |
| intervalId = window.setInterval(makeShader, 1000/15); |
| } |
| |
| function finish() { |
| debug(""); |
| var successfullyParsed = true; |
| } |
| |
| </script> |
| <!-- <script src="../resources/js-test-post.js"></script> --> |
| |
| <script> |
| "use strict"; |
| </script> |
| |
| </body> |
| </html> |
