1 <!DOCTYPE HTML> 2 <html> 3 <script> 4 var gl; 5 function runTest() { 6 if (window.testRunner) 7 testRunner.waitUntilDone(); 8 9 gl = document.getElementById('canvas').getContext("webgl"); 10 if (!gl) { 11 alert("No WebGL context found"); 12 return; 13 } 14 15 gl.enable(gl.SCISSOR_TEST); 16 gl.clearColor(1, 0, 0, 1); 17 gl.clear(gl.COLOR_BUFFER_BIT); 18 } 19 20 </script> 21 <body onload='runTest()'> 22 Right click red square and save image. A red square image should be saved. <br> 23 <canvas id='canvas' width="100" height="100"></canvas> 24 </body> 25 </html> 26
