Chromium Code Reviews Chromium Code Reviews
Issue 2632593003:
Notify listeners on OffScreenCanvas changes (Closed)
| Index: third_party/WebKit/LayoutTests/fast/mediacapturefromelement/CanvasCaptureMediaStream-offscreencanvas.html |
| diff --git a/third_party/WebKit/LayoutTests/fast/mediacapturefromelement/CanvasCaptureMediaStream-offscreencanvas.html b/third_party/WebKit/LayoutTests/fast/mediacapturefromelement/CanvasCaptureMediaStream-offscreencanvas.html |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..b3104841ce18ec5e4a532fcdaae65b6146ee308f |
| --- /dev/null |
| +++ b/third_party/WebKit/LayoutTests/fast/mediacapturefromelement/CanvasCaptureMediaStream-offscreencanvas.html |
| @@ -0,0 +1,71 @@ |
| +<!DOCTYPE html> |
| +<script src=../../resources/testharness.js></script> |
| +<script src=../../resources/testharnessreport.js></script> |
| +<script src="resources/webgl-test.js"></script> |
| +<script> |
| + |
| +function drawOn2DContext(canvas) { |
| + var ctx = canvas.getContext('2d'); |
| + ctx.strokeStyle="#FF0204"; |
| + ctx.beginPath(); |
| + ctx.moveTo(0,0); |
| + ctx.lineTo(100, 100); |
| + ctx.stroke(); |
| + return ctx; |
| +}; |
| + |
| +function drawOnWebGLContext(canvas) { |
| + var ctx = create3DContext(canvas); |
| + ctx.drawArrays(ctx.TRIANGLES, 0, 3); |
| + return ctx; |
| +}; |
| + |
| +// Run captureStream() after transferControlToOffscreen(). |
| +var testOffScreenCanvasCommits = function(drawFunction, message) { |
| + async_test(function(test) { |
| + var canvas = document.createElement('canvas'); |
| + var offscreen = canvas.transferControlToOffscreen(); |
| + |
| + var recorder = new MediaRecorder(canvas.captureStream()); |
| + recorder.ondataavailable = test.step_func_done(function(event) { |
| + assert_true(event.data.size > 0, 'Recorded data size should be > 0'); |
| + }); |
| + recorder.start(0); |
| + |
| + var ctx = drawFunction(offscreen); |
| + ctx.commit(); |
| + }), message; |
| +}; |
| + |
| +generate_tests(testOffScreenCanvasCommits, [ |
|
Justin Novosad
2017/01/19 19:06:31
The testharness documentation says you can't use g
emircan
2017/01/19 20:50:52
Sorry for missing that. I just removed generate_te
|
| + [ "2d", drawOn2DContext, 'capture of an OffscreenCanvas with 2D context' ], |
| + [ "webgl", drawOnWebGLContext, 'capture of an OffscreenCanvas with WebGL context' ] |
| +]); |
| + |
| +// Run captureStream() on OffscreenCanvas that uses transferFromImageBitmap(). |
| +var testOffScreenCanvasTransferBitmaps = function(drawFunction, message) { |
| + async_test(function(test) { |
| + var canvas = document.createElement('canvas'); |
| + var ctx = canvas.getContext('bitmaprenderer'); |
| + var offscreen = new OffscreenCanvas(400,200); |
| + |
| + var recorder = new MediaRecorder(canvas.captureStream()); |
| + recorder.ondataavailable = test.step_func_done(function(event) { |
| + assert_true(event.data.size > 0, 'Recorded data size should be > 0'); |
| + }); |
| + recorder.start(0); |
| + |
| + drawFunction(offscreen); |
| + var image = offscreen.transferToImageBitmap(); |
| + assert_equals(image.width, 400); |
| + assert_equals(image.height, 200); |
| + ctx.transferFromImageBitmap(offscreen.transferToImageBitmap()); |
| + }), message; |
| +}; |
| + |
| +generate_tests(testOffScreenCanvasTransferBitmaps, [ |
| + [ "2d", drawOn2DContext, 'capture of an OffscreenCanvas with 2D context' ], |
| + [ "webgl", drawOnWebGLContext, 'capture of an OffscreenCanvas with WebGL context' ] |
| +]); |
| + |
| +</script> |
