| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| canvas { |
| width: 100px; |
| height: 100px; |
| background: red; |
| } |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| onload = async () => { |
| await new Promise(resolve => requestAnimationFrame(resolve)); |
| await new Promise(resolve => requestAnimationFrame(resolve)); |
| |
| let canvas = document.getElementById('canvas'); |
| let gl = canvas.getContext('webgl'); |
| gl.clearColor(0, 0.5, 0, 1); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| </script> |
| </head> |
| <body> |
| <p>You should see a green box.</p> |
| <canvas id="canvas"></canvas> |
| </body> |
| </html> |
