| <!DOCTYPE html> |
| <html> |
| <body> |
| <canvas id='output1' width = '100' height = '100'></canvas> |
| <canvas id='output2' width = '100' height = '100'></canvas> |
| <script> |
| if (window.testRunner) { |
| testRunner.waitUntilDone(); |
| } |
| |
| var width = 100; |
| var height = 100; |
| var aCanvas = new OffscreenCanvas(width, height); |
| var gl = aCanvas.getContext('webgl'); |
| gl.clearColor(1.0, 0.0, 0.0, 1.0); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| var image1 = aCanvas.transferToImageBitmap(); |
| var image2 = aCanvas.transferToImageBitmap(); |
| |
| var canvas1 = document.getElementById("output1"); |
| var ctx1 = canvas1.getContext('bitmaprenderer'); |
| ctx1.transferFromImageBitmap(image1); |
| |
| var canvas2 = document.getElementById('output2'); |
| var ctx2 = canvas2.getContext('bitmaprenderer'); |
| ctx2.transferFromImageBitmap(image2); |
| |
| if (window.testRunner) { |
| testRunner.notifyDone(); |
| } |
| </script> |
| </body> |
| </html> |
