| OLD | NEW |
|---|
| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <script src =../../resources/testharness.js></script> |
| 3 <script src =../../resources/testharnessreport.js></script> |
| 4 <script> |
| 5 |
| 6 function draw2d(canvas) { |
| 7 var ctx = canvas.getContext('2d'); |
| 8 ctx.fillStyle = 'green'; |
| 9 ctx.fillRect(0, 0, canvas.width, canvas.height); |
| 10 return ctx; |
| 11 }; |
| 12 |
| 13 function drawWebGL(canvas) { |
| 14 var gl = canvas.getContext('webgl'); |
| 15 gl.clearColor(0, 1, 0, 1); |
| 16 gl.clear(gl.COLOR_BUFFER_BIT); |
| 17 return gl; |
| 18 }; |
| 19 |
| 20 // Run captureStream() after transferControlToOffscreen(). |
| 21 var testOffScreenCanvasCommits = function(drawFunction, message) { |
| 22 async_test(function(test) { |
| 23 var canvas = document.createElement('canvas'); |
| 24 var offscreen = canvas.transferControlToOffscreen(); |
| 25 |
| 26 var recorder = new MediaRecorder(canvas.captureStream()); |
| 27 recorder.ondataavailable = test.step_func_done(function(event) { |
| 28 assert_true(event.data.size > 0, 'Recorded data size should be > 0'); |
| 29 }); |
| 30 recorder.start(0); |
| 31 |
| 32 var ctx = drawFunction(offscreen); |
| 33 ctx.commit(); |
| 34 }), message; |
| 35 }; |
| 36 |
| 37 testOffScreenCanvasCommits(draw2d, |
| 38 'capture of an OffscreenCanvas with 2D context'); |
| 39 testOffScreenCanvasCommits(drawWebGL, |
| 40 'capture of an OffscreenCanvas with WebGL context'); |
| 41 </script> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2632593003:
Notify listeners on OffScreenCanvas changes (Closed)
