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[Web] [CanvasKit] Platform Views (including Video_player fullscreen) blanking other widgets on exit - regression #95259

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flutter/engine
#31240
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[Web] [CanvasKit] Platform Views (including Video_player fullscreen) blanking other widgets on exit - regression#95259
flutter/engine
#31240
Assignees
harryterkelsen
Labels
c: regressionIt was better in the past than it is nowc: renderingUI glitches reported at the engine/skia or impeller rendering levele: web_canvaskitCanvasKit (a.k.a. Skia-on-WebGL) rendering backend for Webfound in release: 2.8Found to occur in 2.8found in release: 2.9Found to occur in 2.9has reproducible stepsThe issue has been confirmed reproducible and is ready to work onp: video_playerThe Video Player pluginpackageflutter/packages repository. See also p: labels.platform-webWeb applications specificallyr: fixedIssue is closed as already fixed in a newer version
@zambetpentru

Description

@zambetpentru
zambetpentru
opened on Dec 14, 2021

Hi!

First off sincere congrats on the progress with Flutter and I really enjoy using it :-)

A few months ago I raised two issues #89037 where existing fullscreen was making images go black and #88688 where platform Views where being overwritten and these were resolved thanks! Now I can come across a new related issue using the same two repos where exiting fullscreen video causes the widget to be blank until I mouseover it again and for Platform Views overwriting them. FYI @tvolkert

Working: flutter-2.7-candidate.3, 2.6.0-11.0.pre211
It appears to be broken by 2.6.0-11.0.pre212 Pull Request: #91328 and still broken in 2.8.0 and 2.9.0-1.0.pre.124
FYI: 2.5.3 did not yet have the fix from #89037 so that is why it has the black widgets upon exit from full screen video

Scenario 1
Link to same repo as prior ticket: https://github.com/zambetpentru/flutter_89037_video_exit_fullscreen_black_image

Expected:
image

Broken:
image

Scenario 2
Video on top of a Platform View
Repo - https://github.com/zambetpentru/flutter_88688_video_overwriting_widget from #88688

Broken:
image

Messages 
WebGL: INVALID_OPERATION: delete: object does not belong to this context
canvaskit.js:234 WebGL: INVALID_OPERATION: drawArrays: no valid shader program in use
ua @ canvaskit.js:234
$func747 @ canvaskit.wasm:0x43173
$func6493 @ canvaskit.wasm:0x37d045
$func1421 @ canvaskit.wasm:0x860e3
$func3920 @ canvaskit.wasm:0x20caef
$func6752 @ canvaskit.wasm:0x39d9c3
$func4000 @ canvaskit.wasm:0x21d90e
$func4285 @ canvaskit.wasm:0x240936
$func2249 @ canvaskit.wasm:0xf4714
$func1289 @ canvaskit.wasm:0x768c0
$func7391 @ canvaskit.wasm:0x3e9494
$func9650 @ canvaskit.wasm:0x46a8c5
$func1639 @ canvaskit.wasm:0x9db4e
Surface$_flush @ VM234:8
a.Surface.flush @ canvaskit.js:12
U9 @ main.dart.js:26545
abo @ main.dart.js:16276
$2 @ surface.dart:394
q0 @ surface.dart:27
adG @ main.dart.js:16493
TA @ rasterizer.dart:35
WI @ platform_dispatcher.dart:585
Sx @ window.dart:94
u3 @ binding.dart:501
u3 @ binding.dart:883
NT @ binding.dart:363
(anonymous) @ js_helper.dart:2106
yK @ binding.dart:1145
yJ @ binding.dart:1137
C6 @ binding.dart:1082
No @ binding.dart:996
(anonymous) @ js_helper.dart:2096
w6 @ platform_dispatcher.dart:1011
$1 @ platform_dispatcher.dart:159
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
requestAnimationFrame (async)
Qg @ html_dart2js.dart:32151
Du @ html_dart2js.dart:32134
$0 @ initialization.dart:98
fh @ platform_dispatcher.dart:544
fh @ window.dart:91
u9 @ binding.dart:746
N6 @ binding.dart:771
(anonymous) @ js_helper.dart:2096
w1 @ framework.dart:2453
hV @ framework.dart:3182
aw @ framework.dart:1108
$1 @ async.dart:629
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
bV @ async_patch.dart:212
E @ async_patch.dart:270
(anonymous) @ pdf_render_widgets.dart:402
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
bV @ async_patch.dart:212
E @ async_patch.dart:270
(anonymous) @ pdf_render_method_channel.dart:322
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
bV @ async_patch.dart:212
E @ async_patch.dart:270
(anonymous) @ platform_channel.dart:165
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ future_impl.dart:46
$1 @ js_util.dart:259
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Promise.then (async)
cN @ future_impl.dart:43
(anonymous) @ pdf_render_web_plugin.dart:193
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ async_patch.dart:203
E @ async_patch.dart:270
(anonymous) @ mouse_cursor.dart:289
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
F @ async_patch.dart:247
bU @ mouse_cursor.dart:289
Uq @ mouse_cursor.dart:76
yr @ mouse_tracker.dart:279
$0 @ mouse_tracker.dart:359
Xq @ mouse_tracker.dart:206
$1 @ binding.dart:380
yK @ binding.dart:1145
yJ @ binding.dart:1137
C6 @ binding.dart:1090
No @ binding.dart:996
(anonymous) @ js_helper.dart:2096
w6 @ platform_dispatcher.dart:1011
$1 @ platform_dispatcher.dart:159
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
requestAnimationFrame (async)
Qg @ html_dart2js.dart:32151
Du @ html_dart2js.dart:32134
$0 @ initialization.dart:98
fh @ platform_dispatcher.dart:544
fh @ window.dart:91
u9 @ binding.dart:746
(anonymous) @ js_helper.dart:2096
mi @ object.dart:825
ah @ object.dart:2261
stE @ object.dart:2339
uo @ binding.dart:236
uo @ binding.dart:559
(anonymous) @ js_helper.dart:2096
w6 @ platform_dispatcher.dart:1011
uz @ platform_dispatcher.dart:105
z_ @ embedder.dart:374
(anonymous) @ js_helper.dart:2106
$1 @ html_dart2js.dart:37230
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Show 62 more frames
canvaskit.js:234 WebGL: INVALID_OPERATION: drawArrays: no valid shader program in use
ua @ canvaskit.js:234
$func747 @ canvaskit.wasm:0x43173
$func6493 @ canvaskit.wasm:0x37d045
$func1421 @ canvaskit.wasm:0x860e3
$func3920 @ canvaskit.wasm:0x20caef
$func6752 @ canvaskit.wasm:0x39d9c3
$func4000 @ canvaskit.wasm:0x21d90e
$func4285 @ canvaskit.wasm:0x240936
$func2249 @ canvaskit.wasm:0xf4714
$func1289 @ canvaskit.wasm:0x768c0
$func7391 @ canvaskit.wasm:0x3e9494
$func9650 @ canvaskit.wasm:0x46a8c5
$func1639 @ canvaskit.wasm:0x9db4e
Surface$_flush @ VM234:8
a.Surface.flush @ canvaskit.js:12
U9 @ main.dart.js:26545
abo @ main.dart.js:16276
$2 @ surface.dart:394
q0 @ surface.dart:27
adG @ main.dart.js:16493
TA @ rasterizer.dart:35
WI @ platform_dispatcher.dart:585
Sx @ window.dart:94
u3 @ binding.dart:501
u3 @ binding.dart:883
NT @ binding.dart:363
(anonymous) @ js_helper.dart:2106
yK @ binding.dart:1145
yJ @ binding.dart:1137
C6 @ binding.dart:1082
No @ binding.dart:996
(anonymous) @ js_helper.dart:2096
w6 @ platform_dispatcher.dart:1011
$1 @ platform_dispatcher.dart:159
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
requestAnimationFrame (async)
Qg @ html_dart2js.dart:32151
Du @ html_dart2js.dart:32134
$0 @ initialization.dart:98
fh @ platform_dispatcher.dart:544
fh @ window.dart:91
u9 @ binding.dart:746
N6 @ binding.dart:771
(anonymous) @ js_helper.dart:2096
w1 @ framework.dart:2453
hV @ framework.dart:3182
aw @ framework.dart:1108
$1 @ async.dart:629
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
bV @ async_patch.dart:212
E @ async_patch.dart:270
(anonymous) @ pdf_render_widgets.dart:402
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
bV @ async_patch.dart:212
E @ async_patch.dart:270
(anonymous) @ pdf_render_method_channel.dart:322
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
bV @ async_patch.dart:212
E @ async_patch.dart:270
(anonymous) @ platform_channel.dart:165
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ future_impl.dart:46
$1 @ js_util.dart:259
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Promise.then (async)
cN @ future_impl.dart:43
(anonymous) @ pdf_render_web_plugin.dart:193
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ async_patch.dart:203
E @ async_patch.dart:270
(anonymous) @ mouse_cursor.dart:289
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
F @ async_patch.dart:247
bU @ mouse_cursor.dart:289
Uq @ mouse_cursor.dart:76
yr @ mouse_tracker.dart:279
$0 @ mouse_tracker.dart:359
Xq @ mouse_tracker.dart:206
$1 @ binding.dart:380
yK @ binding.dart:1145
yJ @ binding.dart:1137
C6 @ binding.dart:1090
No @ binding.dart:996
(anonymous) @ js_helper.dart:2096
w6 @ platform_dispatcher.dart:1011
$1 @ platform_dispatcher.dart:159
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
requestAnimationFrame (async)
Qg @ html_dart2js.dart:32151
Du @ html_dart2js.dart:32134
$0 @ initialization.dart:98
fh @ platform_dispatcher.dart:544
fh @ window.dart:91
u9 @ binding.dart:746
(anonymous) @ js_helper.dart:2096
mi @ object.dart:825
ah @ object.dart:2261
stE @ object.dart:2339
uo @ binding.dart:236
uo @ binding.dart:559
(anonymous) @ js_helper.dart:2096
w6 @ platform_dispatcher.dart:1011
uz @ platform_dispatcher.dart:105
z_ @ embedder.dart:374
(anonymous) @ js_helper.dart:2106
$1 @ html_dart2js.dart:37230
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Show 62 more frames
canvaskit.js:234 WebGL: INVALID_OPERATION: drawArrays: no valid shader program in use
ua @ canvaskit.js:234
$func747 @ canvaskit.wasm:0x43173
$func6493 @ canvaskit.wasm:0x37d045
$func1421 @ canvaskit.wasm:0x860e3
$func3920 @ canvaskit.wasm:0x20caef
$func6752 @ canvaskit.wasm:0x39d9c3
$func4000 @ canvaskit.wasm:0x21d90e
$func4285 @ canvaskit.wasm:0x240936
$func2249 @ canvaskit.wasm:0xf4714
$func1289 @ canvaskit.wasm:0x768c0
$func7391 @ canvaskit.wasm:0x3e9494
$func9650 @ canvaskit.wasm:0x46a8c5
$func1639 @ canvaskit.wasm:0x9db4e
Surface$_flush @ VM234:8
a.Surface.flush @ canvaskit.js:12
U9 @ main.dart.js:26545
abo @ main.dart.js:16276
$2 @ surface.dart:394
q0 @ surface.dart:27
adG @ main.dart.js:16493
TA @ rasterizer.dart:35
WI @ platform_dispatcher.dart:585
Sx @ window.dart:94
u3 @ binding.dart:501
u3 @ binding.dart:883
NT @ binding.dart:363
(anonymous) @ js_helper.dart:2106
yK @ binding.dart:1145
yJ @ binding.dart:1137
C6 @ binding.dart:1082
No @ binding.dart:996
(anonymous) @ js_helper.dart:2096
w6 @ platform_dispatcher.dart:1011
$1 @ platform_dispatcher.dart:159
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
requestAnimationFrame (async)
Qg @ html_dart2js.dart:32151
Du @ html_dart2js.dart:32134
$0 @ initialization.dart:98
fh @ platform_dispatcher.dart:544
fh @ window.dart:91
u9 @ binding.dart:746
N6 @ binding.dart:771
(anonymous) @ js_helper.dart:2096
w1 @ framework.dart:2453
hV @ framework.dart:3182
aw @ framework.dart:1108
(anonymous) @ pdf_texture_web.dart:74
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ future_impl.dart:46
$1 @ js_util.dart:259
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Promise.then (async)
cN @ future_impl.dart:43
(anonymous) @ safe_browser_api.dart:68
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
F @ async_patch.dart:247
h5 @ image_web_codecs.dart:121
(anonymous) @ pdf_texture_web.dart:69
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
bV @ async_patch.dart:212
E @ async_patch.dart:270
(anonymous) @ image_web_codecs.dart:17
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ future_impl.dart:46
$1 @ js_util.dart:259
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Promise.then (async)
cN @ future_impl.dart:43
(anonymous) @ safe_browser_api.dart:68
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ future_impl.dart:46
$1 @ js_util.dart:259
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Promise.then (async)
cN @ future_impl.dart:43
(anonymous) @ safe_browser_api.dart:68
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
F @ async_patch.dart:247
aeh @ image_web_codecs.dart:25
wS @ image_web_codecs.dart:25
alf @ image.dart:15
(anonymous) @ painting.dart:466
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
F @ async_patch.dart:247
a3b @ painting.dart:465
aiU @ painting.dart:582
(anonymous) @ painting.dart:799
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
F @ async_patch.dart:247
uy @ painting.dart:787
(anonymous) @ pdf_texture_web.dart:68
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ future_impl.dart:46
$1 @ js_util.dart:259
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Promise.then (async)
cN @ future_impl.dart:43
(anonymous) @ pdf_render_web_plugin.dart:193
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ async_patch.dart:203
E @ async_patch.dart:270
(anonymous) @ mouse_cursor.dart:289
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
F @ async_patch.dart:247
bU @ mouse_cursor.dart:289
Uq @ mouse_cursor.dart:76
yr @ mouse_tracker.dart:279
$0 @ mouse_tracker.dart:359
Xq @ mouse_tracker.dart:206
$1 @ binding.dart:380
yK @ binding.dart:1145
yJ @ binding.dart:1137
C6 @ binding.dart:1090
No @ binding.dart:996
(anonymous) @ js_helper.dart:2096
w6 @ platform_dispatcher.dart:1011
$1 @ platform_dispatcher.dart:159
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
requestAnimationFrame (async)
Qg @ html_dart2js.dart:32151
Du @ html_dart2js.dart:32134
$0 @ initialization.dart:98
fh @ platform_dispatcher.dart:544
fh @ window.dart:91
u9 @ binding.dart:746
(anonymous) @ js_helper.dart:2096
mi @ object.dart:825
ah @ object.dart:2261
stE @ object.dart:2339
uo @ binding.dart:236
uo @ binding.dart:559
(anonymous) @ js_helper.dart:2096
w6 @ platform_dispatcher.dart:1011
uz @ platform_dispatcher.dart:105
z_ @ embedder.dart:374
(anonymous) @ js_helper.dart:2106
$1 @ html_dart2js.dart:37230
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Show 72 more frames
canvaskit.js:234 WebGL: INVALID_OPERATION: drawArrays: no valid shader program in use
ua @ canvaskit.js:234
$func747 @ canvaskit.wasm:0x43173
$func6493 @ canvaskit.wasm:0x37d045
$func1421 @ canvaskit.wasm:0x860e3
$func3920 @ canvaskit.wasm:0x20caef
$func6752 @ canvaskit.wasm:0x39d9c3
$func4000 @ canvaskit.wasm:0x21d90e
$func4285 @ canvaskit.wasm:0x240936
$func2249 @ canvaskit.wasm:0xf4714
$func1289 @ canvaskit.wasm:0x768c0
$func7391 @ canvaskit.wasm:0x3e9494
$func9650 @ canvaskit.wasm:0x46a8c5
$func1639 @ canvaskit.wasm:0x9db4e
Surface$_flush @ VM234:8
a.Surface.flush @ canvaskit.js:12
U9 @ main.dart.js:26545
abo @ main.dart.js:16276
$2 @ surface.dart:394
q0 @ surface.dart:27
adG @ main.dart.js:16493
TA @ rasterizer.dart:35
WI @ platform_dispatcher.dart:585
Sx @ window.dart:94
u3 @ binding.dart:501
u3 @ binding.dart:883
NT @ binding.dart:363
(anonymous) @ js_helper.dart:2106
yK @ binding.dart:1145
yJ @ binding.dart:1137
C6 @ binding.dart:1082
No @ binding.dart:996
(anonymous) @ js_helper.dart:2096
w6 @ platform_dispatcher.dart:1011
$1 @ platform_dispatcher.dart:159
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
requestAnimationFrame (async)
Qg @ html_dart2js.dart:32151
Du @ html_dart2js.dart:32134
$0 @ initialization.dart:98
fh @ platform_dispatcher.dart:544
fh @ window.dart:91
u9 @ binding.dart:746
N6 @ binding.dart:771
(anonymous) @ js_helper.dart:2096
w1 @ framework.dart:2453
hV @ framework.dart:3182
aw @ framework.dart:1108
(anonymous) @ pdf_texture_web.dart:74
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ future_impl.dart:46
$1 @ js_util.dart:259
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Promise.then (async)
cN @ future_impl.dart:43
(anonymous) @ safe_browser_api.dart:68
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
F @ async_patch.dart:247
h5 @ image_web_codecs.dart:121
(anonymous) @ pdf_texture_web.dart:69
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
bV @ async_patch.dart:212
E @ async_patch.dart:270
(anonymous) @ image_web_codecs.dart:17
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ future_impl.dart:46
$1 @ js_util.dart:259
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Promise.then (async)
cN @ future_impl.dart:43
(anonymous) @ safe_browser_api.dart:68
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ future_impl.dart:46
$1 @ js_util.dart:259
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Promise.then (async)
cN @ future_impl.dart:43
(anonymous) @ safe_browser_api.dart:68
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
F @ async_patch.dart:247
aeh @ image_web_codecs.dart:25
wS @ image_web_codecs.dart:25
alf @ image.dart:15
(anonymous) @ painting.dart:466
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
F @ async_patch.dart:247
a3b @ painting.dart:465
aiU @ painting.dart:582
(anonymous) @ painting.dart:799
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
F @ async_patch.dart:247
uy @ painting.dart:787
(anonymous) @ pdf_texture_web.dart:68
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ future_impl.dart:46
$1 @ js_util.dart:259
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Promise.then (async)
cN @ future_impl.dart:43
(anonymous) @ pdf_render_web_plugin.dart:193
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
$1 @ async_patch.dart:293
X3 @ zone.dart:1685
vi @ zone.dart:1684
$0 @ future_impl.dart:124
nW @ future_impl.dart:796
jh @ future_impl.dart:602
$0 @ future_impl.dart:640
ajz @ schedule_microtask.dart:40
ajL @ schedule_microtask.dart:49
$1 @ async_patch.dart:49
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
childList (async)
$1 @ async_patch.dart:62
a8i @ async_patch.dart:27
l9 @ zone.dart:1493
KW @ zone.dart:1705
eN @ future_impl.dart:634
bV @ async_patch.dart:203
E @ async_patch.dart:270
(anonymous) @ mouse_cursor.dart:289
(anonymous) @ async_patch.dart:317
$2 @ async_patch.dart:342
F @ async_patch.dart:247
bU @ mouse_cursor.dart:289
Uq @ mouse_cursor.dart:76
yr @ mouse_tracker.dart:279
$0 @ mouse_tracker.dart:359
Xq @ mouse_tracker.dart:206
$1 @ binding.dart:380
yK @ binding.dart:1145
yJ @ binding.dart:1137
C6 @ binding.dart:1090
No @ binding.dart:996
(anonymous) @ js_helper.dart:2096
w6 @ platform_dispatcher.dart:1011
$1 @ platform_dispatcher.dart:159
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
requestAnimationFrame (async)
Qg @ html_dart2js.dart:32151
Du @ html_dart2js.dart:32134
$0 @ initialization.dart:98
fh @ platform_dispatcher.dart:544
fh @ window.dart:91
u9 @ binding.dart:746
(anonymous) @ js_helper.dart:2096
mi @ object.dart:825
ah @ object.dart:2261
stE @ object.dart:2339
uo @ binding.dart:236
uo @ binding.dart:559
(anonymous) @ js_helper.dart:2096
w6 @ platform_dispatcher.dart:1011
uz @ platform_dispatcher.dart:105
z_ @ embedder.dart:374
(anonymous) @ js_helper.dart:2106
$1 @ html_dart2js.dart:37230
akT @ js_helper.dart:1831
(anonymous) @ js_helper.dart:1863
Show 72 more frames
js_primitives.dart:47 NoSuchMethodError: method not found: 'Ze' on null
js_primitives.dart:47     at Z (https://unpkg.com/[email protected]/bin/canvaskit.js:192:407)
js_primitives.dart:47     at Nc (https://unpkg.com/[email protected]/bin/canvaskit.js:250:59)
js_primitives.dart:47     at https://unpkg.com/[email protected]/bin/canvaskit.wasm:wasm-function[747]:0x43173
js_primitives.dart:47     at https://unpkg.com/[email protected]/bin/canvaskit.wasm:wasm-function[3742]:0x1ef0e5
js_primitives.dart:47     at https://unpkg.com/[email protected]/bin/canvaskit.wasm:wasm-function[6497]:0x37d8c7
js_primitives.dart:47     at https://unpkg.com/[email protected]/bin/canvaskit.wasm:wasm-function[467]:0x2aee6
js_primitives.dart:47     at https://unpkg.com/[email protected]/bin/canvaskit.wasm:wasm-function[6752]:0x39d87d
js_primitives.dart:47     at https://unpkg.com/[email protected]/bin/canvaskit.wasm:wasm-function[4000]:0x21d90e
js_primitives.dart:47     at https://unpkg.com/[email protected]/bin/canvaskit.wasm:wasm-function[4285]:0x240936
js_primitives.dart:47     at https://unpkg.com/[email protected]/bin/canvaskit.wasm:wasm-function[2249]:0xf4714
20js_primitives.dart:47 Another exception was thrown: Instance of 'minified:e4<void>'
flutter doctor 
[√] Flutter (Channel master, 2.6.0-12.0.pre.999, on Microsoft Windows [Version 10.0.17763.2300], locale en-IE)
[√] Android toolchain - develop for Android devices (Android SDK version 32.0.0)
[√] Chrome - develop for the web
[√] Android Studio (version 2020.3)
[√] VS Code (version 1.63.0)
[√] Connected device (2 available)

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c: regressionIt was better in the past than it is nowc: renderingUI glitches reported at the engine/skia or impeller rendering levele: web_canvaskitCanvasKit (a.k.a. Skia-on-WebGL) rendering backend for Webfound in release: 2.8Found to occur in 2.8found in release: 2.9Found to occur in 2.9has reproducible stepsThe issue has been confirmed reproducible and is ready to work onp: video_playerThe Video Player pluginpackageflutter/packages repository. See also p: labels.platform-webWeb applications specificallyr: fixedIssue is closed as already fixed in a newer version

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