On Wed, 22 Nov 2023 20:44:58 GMT, Marius Hanl <mh...@openjdk.org> wrote:
>> Hi,
>>
>> I did open the bug report. Some notes to this PR:
>>
>> My colleagues and I are able to reproduce this bug regularly, even though it
>> takes sometimes up to 3 or 4 weeks until the D3DERR_DEVICEHUNG error shows
>> up. We are currently evaluating two versions of fixes, but until now we do
>> not have any results. I will post them as soon as I got them.
>>
>> Version 1 (this version): Based on the observation, that the
>> TestCooperativeLevel/CheckDeviceState method returns D3D_OK again after
>> about 20 - 60 seconds, the reinitialize is called after the first time the
>> state is returning D3D_OK. The 'isHung' flag stores the information until
>> then.
>>
>> Version 2: calls reinitialize directly after D3DERR_DEVICEHUNG has been
>> returned. Basically
>> if (hr == D3DERR_DEVICEREMOVED || hr == D3DERR_DEVICEHUNG ) { .. }
>>
>> I did not modify the validatePresent method, as for our workaround (see
>> ticket) it was not necessary. At least the native call swapchain->present
>> dows not return that error code
>> (https://learn.microsoft.com/en-us/windows/win32/api/d3d9/nf-d3d9-idirect3dswapchain9-present).
>> I did not look decisively into all the native calls behind
>> D3DRTTexture#readPixels.
>>
>> As I said I will post the results (prism.verbose output) for the 2 versions
>> later as a base for discussions.
>
> modules/javafx.graphics/src/main/native-prism-d3d/D3DContext.cc line 761:
>
>> 759: TraceLn1(NWT_TRACE_INFO, " device %d has been removed",
>> adapterOrdinal);
>> 760: break;
>> 761: case D3DERR_DEVICEHUNG:
>
> you probably need to adjust the copyright here as well
done
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PR Review Comment: https://git.openjdk.org/jfx/pull/1199#discussion_r1406649156
