third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-ImageBitmap-worker-to-worker.html - Issue 2323573002: Revert of Allow canvases to be GPU-accelerated in Workers

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-ImageBitmap-worker-to-worker.html

Issue 2323573002: Revert of Allow canvases to be GPU-accelerated in Workers (Closed)

Patch Set: Created 4 years, 3 months ago

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1 <!DOCTYPE html>

2 <script src="../../resources/testharness.js"></script>

3 <script src="../../resources/testharnessreport.js"></script>

4 <script>

5 var t = async_test("Test the case where an ImageBitmap produced on a worker is c onsumed on another worker");

6

7 var worker1 = new Worker('OffscreenCanvas-ImageBitmap-worker-to-worker-1.js');

8 var worker2 = new Worker('OffscreenCanvas-ImageBitmap-worker-to-worker-2.js');

9

10 worker1.addEventListener('message', msg => {

11 worker2.postMessage(msg.data, [msg.data]);

12 });

13

14 worker2.addEventListener('message', t.step_func(function(msg) {

15 var testCtx = document.createElement('canvas').getContext('2d');

16 testCtx.drawImage(msg.data, 0, 0);

17 var pixelData = testCtx.getImageData(0, 0, 1, 1);

18 assert_equals(pixelData.data[0], 0, "red");

19 assert_equals(pixelData.data[1], 255, "green");

20 assert_equals(pixelData.data[2], 0, "blue");

21 assert_equals(pixelData.data[3], 255, "alpha");

22 t.done();

23 }));

24

25 worker1.postMessage("go");

26

27 </script>

28

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