| OLD | NEW |
|---|
| 1 <!DOCTYPE HTML> | 1 <!DOCTYPE HTML> |
| 2 | 2 |
| 3 <!-- READ BEFORE UPDATING: | 3 <!-- READ BEFORE UPDATING: |
| 4 If this test is updated make sure to increment the "revision" value of the | 4 If this test is updated make sure to increment the "revision" value of the |
| 5 associated test in content/test/gpu/page_sets/pixel_tests.py. This will ensure | 5 associated test in content/test/gpu/page_sets/pixel_tests.py. This will ensure |
| 6 that the baseline images are regenerated on the next run. | 6 that the baseline images are regenerated on the next run. |
| 7 --> | 7 --> |
| 8 | 8 |
| 9 <html> | 9 <html> |
| 10 <head> | 10 <head> |
| 11 <title>Canvas 2D Test: Red Box over Black Background</title> | 11 <title>OffscreenCanvas commit flow on main thread: green square on white backgro
und.</title> |
| 12 <style type="text/css"> | 12 <style type="text/css"> |
| 13 .nomargin { | 13 .nomargin { |
| 14 margin: 0px auto; | 14 margin: 0px auto; |
| 15 } | 15 } |
| 16 </style> | 16 </style> |
| 17 <script> | 17 <script> |
| 18 var g_swapsBeforeAck = 15; | 18 var g_swapsBeforeAck = 15; |
| 19 | 19 |
| 20 function main() | 20 function main() |
| 21 { | 21 { |
| 22 draw(); | 22 draw(); |
| 23 waitForFinish(); | 23 waitForFinish(); |
| 24 } | 24 } |
| 25 | 25 |
| 26 function draw() | 26 function draw() |
| 27 { | 27 { |
| 28 var canvas = document.getElementById("c"); | 28 var canvas = document.getElementById("c"); |
| 29 var c2d = canvas.getContext("2d"); | 29 var offscreenCanvas = canvas.transferControlToOffscreen(); |
| 30 c2d.clearRect(0, 0, canvas.width, canvas.height); | 30 var gl = offscreenCanvas.getContext("webgl"); |
| 31 c2d.fillStyle = "rgba(255, 0, 0, 0.5)"; | 31 gl.clearColor(0.0, 1.0, 0.0, 1.0); |
| 32 c2d.fillRect(50, 50, 100, 100); | 32 gl.clear(gl.COLOR_BUFFER_BIT); |
| 33 gl.commit(); |
| 33 } | 34 } |
| 34 | 35 |
| 35 function waitForFinish() | 36 function waitForFinish() |
| 36 { | 37 { |
| 37 if (g_swapsBeforeAck == 0) { | 38 if (g_swapsBeforeAck == 0) { |
| 38 domAutomationController.setAutomationId(1); | 39 domAutomationController.setAutomationId(1); |
| 39 domAutomationController.send("SUCCESS"); | 40 domAutomationController.send("SUCCESS"); |
| 40 } else { | 41 } else { |
| 41 g_swapsBeforeAck--; | 42 g_swapsBeforeAck--; |
| 42 document.getElementById('container').style.zIndex = g_swapsBeforeAck + 1; | 43 document.getElementById('container').style.zIndex = g_swapsBeforeAck + 1; |
| 43 window.webkitRequestAnimationFrame(waitForFinish); | 44 window.webkitRequestAnimationFrame(waitForFinish); |
| 44 } | 45 } |
| 45 } | 46 } |
| 46 </script> | 47 </script> |
| 47 </head> | 48 </head> |
| 48 <body onload="main()"> | 49 <body onload="main()"> |
| 49 <div style="position:relative; width:200px; height:200px; background-color:black
"> | 50 <div style="position:relative; width:200px; height:200px; background-color:white
"> |
| 50 </div> | 51 </div> |
| 51 <div id="container" style="position:absolute; top:0px; left:0px"> | 52 <div id="container" style="position:absolute; top:0px; left:0px"> |
| 52 <canvas id="c" width="200" height="200" class="nomargin"></canvas> | 53 <canvas id="c" width="200" height="200" class="nomargin"></canvas> |
| 53 </div> | 54 </div> |
| 54 </body> | 55 </body> |
| 55 </html> | 56 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2328463004:
Implement WebGL's commit on the main thread (Closed)
