| <!-- |
| |
| /* |
| ** Copyright (c) 2014 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 |
| ** without limitation the rights to use, copy, modify, merge, publish, |
| ** distribute, sublicense, and/or sell copies of the Materials, and to |
| ** permit persons to whom the Materials are furnished to do so, subject to |
| ** the following conditions: |
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| ** The above copyright notice and this permission notice shall be included |
| ** in all copies or substantial portions of the Materials. |
| ** |
| ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| */ |
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| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <link rel="stylesheet" href="../resources/js-test-style.css"/> |
| <script src="../js/js-test-pre.js"></script> |
| <script src="../js/webgl-test-utils.js"></script> |
| <script id="vshader" type="x-shader/x-vertex"> |
| void main() |
| { |
| gl_PointSize = 1.0; |
| gl_Position = vec4(0.0, 0.0, 0.0, 1.0); |
| } |
| </script> |
| |
| <script id="fshader" type="x-shader/x-fragment"> |
| precision mediump float; |
| |
| void main() |
| { |
| gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0); |
| } |
| </script> |
| </head> |
| <body> |
| <canvas id="testbed" width="1" height="1" style="width: 100px; height: 100px;"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| "use strict"; |
| description('Stress test drawing a huge number of points without enabling any attributes'); |
| |
| debug('This test stresses drawing a large number of points and workarounds created to run WebGL with simulated attrib 0'); |
| |
| if (confirm('After clicking OK your machine may become unresponsive or crash.')) { |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext('testbed'); |
| |
| var program1 = wtu.setupProgram(gl, ['vshader', 'fshader']); |
| |
| gl.enable(gl.BLEND); |
| |
| debug('Draw 2^31 points with a shader that takes no attributes and verify it fills the whole canvas.'); |
| |
| gl.drawArrays(gl.POINTS, 0, Math.pow(2, 31) - 1); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR); |
| wtu.checkCanvas(gl, [0, 255, 0, 255]); |
| } |
| |
| var successfullyParsed = true; |
| </script> |
| <script src="../js/js-test-post.js"></script> |
| |
| </body> |
| </html> |
