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Re: [PATCH v3 0/1] MR3319: evr: Leave critical section before waiting for streaming thread.
by Nikolay Sivov (＠nsivov) 26 Jul '23

26 Jul '23

On Wed Jul 26 19:17:48 2023 +0000, Nikolay Sivov wrote: > I had to learn what's going on in there once again. I think what we need > to do is basically stop using 'presenter->cs' in the streaming thread > entirely, MFVP_MESSAGE_ENDSTREAMING handling will remain unchanged. > This means two things: > - queue itself should be protected with its own lock; > - video_presenter_process_input() should not be called in the streaming > thread all. Instead it could be called right in > video_presenter_allocator_cb_NotifyRelease(), with appropriate locking. It's slightly more complicated, I can see now why EVRM_PROCESS_INPUT was added - it was probably to avoid interacting with tracking thread. The point still stands, I think we'll need to remove remaining presenter lock from streaming thread, one way or another. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/3319#note_40394

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[PATCH v16 0/2] MR3391: mshtml: implement window.MutationObserver with MutationObserver stub
by Yuxuan Shui (＠yshui) 26 Jul '23

26 Jul '23

This get us pass the "Update your browser" blocker in adobe's sign-in page. The page itself doesn't make use of `window.MutationObserver`. However the sign-in page is still broken. -- v16: mshtml: add stubs for MutationObserver methods mshtml: implement window.MutationObserver with MutationObserver stub https://gitlab.winehq.org/wine/wine/-/merge_requests/3391

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Re: [PATCH v3 0/1] MR3319: evr: Leave critical section before waiting for streaming thread.
by Nikolay Sivov (＠nsivov) 26 Jul '23

26 Jul '23

On Wed Jul 26 17:26:57 2023 +0000, Santino Mazza wrote: > Oh I just saw that we have `PRESENTER_MIXER_HAS_INPUT` flag and is set > when it receives the `MFVP_MESSAGE_PROCESSINPUTNOTIFY` message, but when > the streaming thread receives the `EVRM_PROCESS_INPUT` message it > doesn't set that flag, shouldn't we set that flag and check for it > before waiting for the thread? I had to learn what's going on in there once again. I think what we need to do is basically stop using 'presenter->cs' in the streaming thread entirely, MFVP_MESSAGE_ENDSTREAMING handling will remain unchanged. This means two things: - queue itself should be protected with its own lock; - video_presenter_process_input() should not be called in the streaming thread all. Instead it could be called right in video_presenter_allocator_cb_NotifyRelease(), with appropriate locking. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/3319#note_40382

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[PATCH v15 0/2] MR3391: mshtml: implement window.MutationObserver with MutationObserver stub
by Yuxuan Shui (＠yshui) 26 Jul '23

26 Jul '23

This get us pass the "Update your browser" blocker in adobe's sign-in page. The page itself doesn't make use of `window.MutationObserver`. However the sign-in page is still broken. -- v15: mshtml: add stubs for MutationObserver methods mshtml: implement window.MutationObserver with MutationObserver stub https://gitlab.winehq.org/wine/wine/-/merge_requests/3391

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Re: [PATCH v3 0/1] MR3319: evr: Leave critical section before waiting for streaming thread.
by Santino Mazza (＠tati1454) 26 Jul '23

26 Jul '23

On Wed Jul 26 17:25:19 2023 +0000, Santino Mazza wrote: > mmm, what about adding a timeout for WaitForSingleObject and do the > LeaveCriticalSection if the timeout passed? Not sure how long it should be. Oh I just saw that we have `PRESENTER_MIXER_HAS_INPUT` flag and is set when it receives the `MFVP_MESSAGE_PROCESSINPUTNOTIFY` message, but when the streaming thread receives the `EVRM_PROCESS_INPUT` message it doesn't set that flag, shouldn't we set that flag and check for it before waiting for the thread? -- https://gitlab.winehq.org/wine/wine/-/merge_requests/3319#note_40361

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[PATCH v2 0/9] MR3418: Draft: Add tryok() for tests that may need multiple attempts to succeed
by Francois Gouget (＠fgouget) 26 Jul '23

26 Jul '23

This is meant to simplify testing conditions that generally hold true but may occasionally fail due to interference from external factors (such as processes that start / stop, network connections being opened / closed, etc). The trick is to loop a few times on the set of flaky conditions until they succeed. During the last attempt all failures are recorded as usual, while in the previous runs, the tryok() failures area ignored but cause one more attempt to be made. The simplest case looks like this: LOOP_ON_FLAKY_TESTS(3) { // ok() failures are never ignored and not retried ok(..., "check 1", ...); // tryok() failures are ignored except on the last attempt tryok(..., "check 2", ...); } There is also: * attempt_retry() which marks the current attempt as failed as if calling tryok(0), and returns true if another attempt can be made. * attempt_failed() which returns true if an ok() call failed. --- This is independent from the 'flaky' mechanism which adds some naming constraints. The loop macro is still called LOOP_ON_FLAKY_TESTS() despite being unrelated to the flaky mechanism. The attempt_retry() and attempt_failed() macro names also don't make it obvious that they are related to tryok(). I think this mechanism is better than the flaky one because a flaky test can go bad without anyone noticing, whereas if a tryok() starts failing systematically it will cause a real failure. The other side of that coin is that, unlike flaky, the tryok() mechanism does not entirely eliminate the possibility of getting a failure, it just reduces it; though by adjusting the maximum number of attempts one can achieve an arbitrarily low failure rate. For instance if an ok() call fails 10% of the time and one wants a maximum of 1 in a million failure rate, use LOOP_ON_FLAKY_TESTS(6). The cost is an increased run time in the worst case. This also limits the use of this mechanism to tests that have a reasonably low failure rate to start with (otherwise one has to loop too many times). Also note that there are cases where looping essentially reduce the failure rate to zero. For instance ieframe:webbrowser fails if IE creates a net session while the test is counting them. But IE only creates the one net session on start up so trying even one more time should guarantee that the test will succeed. Other cases like scheduling delays and the creation of network connections are more probabilistic in nature. Maybe a comment in test.h should offer some guideline as to the target failure rate. Eventually this may replace the flaky mechanism but that depends on how well it works in practice and how practical it is to loop on flaky tests. It seems to be going well in the few cases I looked at. But I think this mechanism has value even if the two end up coexisting indefinitely. This MR uses the tryok() in some actual tests for illustration and testing purposes. The final MR will probably split most of those off to separate MRs. -- v2: mmdevapi/tests: Replace flaky with tryok() in the capture tests. mmdevapi/tests: Replace flaky with tryok() in the render tests. quartz/tests: Replace flaky() with tryok() to work around scheduling delays. DEBUG ieframe/tests: tryok() framework testing ground. ieframe/tests: Work around a network session race condition. advapi32/tests: Replace the custom loop with tryok() mechanism. https://gitlab.winehq.org/wine/wine/-/merge_requests/3418

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Re: [PATCH v3 0/1] MR3319: evr: Leave critical section before waiting for streaming thread.
by Santino Mazza (＠tati1454) 26 Jul '23

26 Jul '23

On Wed Jul 26 15:17:52 2023 +0000, Nikolay Sivov wrote: > This should be arranged differently, you can't generally assume that > you've entered this lock when calling the helper. mmm, what about adding a timeout for WaitForSingleObject and do the LeaveCriticalSection if the timeout passed? Not sure how long it should be. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/3319#note_40359

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[PATCH v5 0/5] MR219: vkd3d-shader: Implement tex2Dproj().
by Nikolay Sivov (＠nsivov) 26 Jul '23

26 Jul '23

-- v5: vkd3d-shader/hlsl: Implement texCUBEproj(). vkd3d-shader/d3dbc: Disallow 1D sampler types when writing sampler declaration. vkd3d-shader/hlsl: Implement tex3Dproj(). vkd3d-shader/hlsl: Implement tex1Dproj(). vkd3d-shader/hlsl: Implement tex2Dproj(). https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/219

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Re: [PATCH v3 0/1] MR3319: evr: Leave critical section before waiting for streaming thread.
by Santino Mazza (＠tati1454) 26 Jul '23

26 Jul '23

On Wed Jul 26 15:17:52 2023 +0000, Nikolay Sivov wrote: > This does hang on my system, but is it reliable or is it depending on > calls made close one after another in time? It's definitely not a reliable way to test for this behavior, but I'm not sure how could I do it. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/3319#note_40353

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Re: [PATCH v3 0/1] MR3319: evr: Leave critical section before waiting for streaming thread.
by Nikolay Sivov (＠nsivov) 26 Jul '23

26 Jul '23

Nikolay Sivov (@nsivov) commented about dlls/evr/tests/evr.c: > ok(diff <= 5, "Unexpected %lu%% diff\n", diff); > CoTaskMemFree(data); > > + /* Test behaviour when sending ENDSTREAMING message while processing input. */ > + hr = MFCreateVideoSampleFromSurface((IUnknown *)surface, &sample); > + ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); > + IDirect3DSurface9_Release(surface); > + > + hr = IMFTransform_ProcessInput(mixer, 0, sample, 0); > + ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); > + hr = IMFVideoPresenter_ProcessMessage(presenter, MFVP_MESSAGE_PROCESSINPUTNOTIFY, 0); > + ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); > + IMFSample_Release(sample); > + > hr = IMFVideoPresenter_ProcessMessage(presenter, MFVP_MESSAGE_ENDSTREAMING, 0); > ok(hr == S_OK, "Unexpected hr %#lx.\n", hr); This does hang on my system, but is it reliable or is it depending on calls made close one after another in time? -- https://gitlab.winehq.org/wine/wine/-/merge_requests/3319#note_40347

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