| <!-- |
| |
| /* |
| ** 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 |
| ** 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: |
| ** |
| ** 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. |
| */ |
| |
| --> |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <script type="text/javascript"> |
| |
| window.onload = function() { |
| setup("1"); |
| setup("2"); |
| } |
| |
| function setup(id) { |
| var c = document.getElementById(id); |
| var names = ["webgl", "experimental-webgl"]; |
| for (var i = 0; i < names.length; ++i) { |
| gl = canvas.getContext(names[i]); |
| if (gl) { |
| break; |
| } |
| } |
| gl.clearColor(1,0,0,1); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| setTimeout(function() { |
| gl.enable(gl.SCISSOR_TEST); |
| gl.scissor(0,0,50,50); |
| gl.clearColor(0,1,0,1); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| }, 500); |
| } |
| </script> |
| </head> |
| <body> |
| <canvas id="1"></canvas> |
| <div style="height:4000px;">content that is tall like several articles</div> |
| <canvas id="2"></canvas> |
| </body> |
| </html> |
| |
