third_party/WebKit/LayoutTests/fast/canvas/webgl/offscreenCanvas-transferToImageBitmap.html - Issue 2139353003: Return a transparent black ImageBitmap when mailbox is invalid

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Issue 2139353003: Return a transparent black ImageBitmap when mailbox is invalid (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: address comments Created 4 years, 5 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <html>	2 <html>

3 <body>	3 <body>

4 <canvas id='output' width = '100' height = '100'></canvas>	4 <canvas id='output1' width = '100' height = '100'></canvas>

	5 <canvas id='output2' width = '100' height = '100'></canvas>

5 <script>	6 <script>

6 if (window.testRunner) {	7 if (window.testRunner) {

7 testRunner.waitUntilDone();	8 testRunner.waitUntilDone();

8 }	9 }

9	10

10 var width = 100;	11 var width = 100;

11 var height = 100;	12 var height = 100;

12 var aCanvas = new OffscreenCanvas(width, height);	13 var aCanvas = new OffscreenCanvas(width, height);

13 var gl = aCanvas.getContext('webgl');	14 var gl = aCanvas.getContext('webgl');

14 gl.clearColor(1.0, 0.0, 0.0, 1.0);	15 gl.clearColor(1.0, 0.0, 0.0, 1.0);

15 gl.clear(gl.COLOR_BUFFER_BIT);	16 gl.clear(gl.COLOR_BUFFER_BIT);

16 var image = aCanvas.transferToImageBitmap();	17 var image1 = aCanvas.transferToImageBitmap();

	18 gl.clearColor(0.0, 0.0, 1.0, 1.0);

	19 gl.clear(gl.COLOR_BUFFER_BIT);

	20 var image2 = aCanvas.transferToImageBitmap();

17	21

18 var canvas = document.getElementById("output");	22 var canvas1 = document.getElementById("output1");

19 var ctx = canvas.getContext('bitmaprenderer');	23 var ctx1 = canvas1.getContext('bitmaprenderer');

20 ctx.transferFromImageBitmap(image);	24 ctx1.transferFromImageBitmap(image1);

	25

	26 var canvas2 = document.getElementById('output2');

	27 var ctx2 = canvas2.getContext('bitmaprenderer');

	28 ctx2.transferFromImageBitmap(image2);

21	29

22 if (window.testRunner) {	30 if (window.testRunner) {

23 testRunner.notifyDone();	31 testRunner.notifyDone();

24 }	32 }

25 </script>	33 </script>

26 </body>	34 </body>

27 </html>	35 </html>

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