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== Owner ==
== Owner ==
* Name: [[User:frantisekz| Frantisek Zatloukal]]
* Name: [[User:frantisekz| Frantisek Zatloukal]] , [[User:Mooninite| Michael Cronenworth]]
* Email: fzatlouk@redhat.com
* Email: fzatlouk@redhat.com


== Current status ==
== Current status ==
[[Category:ChangeReadyForWrangler]]
[[Category:ChangeAcceptedF33]]
<!-- When your change proposal page is completed and ready for review and announcement -->
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CLOSED as NEXTRELEASE -> change is completed and verified and will be delivered in next release under development
CLOSED as NEXTRELEASE -> change is completed and verified and will be delivered in next release under development
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* FESCo issue: <will be assigned by the Wrangler>
* FESCo issue: [https://pagure.io/fesco/issue/2456 #2456]
* Tracker bug: <will be assigned by the Wrangler>
* Tracker bug: [https://bugzilla.redhat.com/show_bug.cgi?id=1867215 #1867215]
* Release notes tracker: <will be assigned by the Wrangler>
* Release notes tracker: [https://pagure.io/fedora-docs/release-notes/issue/546 #546]


== Detailed Description ==
== Detailed Description ==
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Should this proposal be accepted, [https://src.fedoraproject.org/rpms/wine-dxvk/pull-request/4# a Pull Request] will be merged into the wine-dxvk package which ensures it gets set as default backend only on systems with Vulkan support. wine-dxvk will then get added as "Recommends: wine-dxvk" into the wine package itself.
Should this proposal be accepted, [https://src.fedoraproject.org/rpms/wine-dxvk/pull-request/4# a Pull Request] will be merged into the wine-dxvk package which ensures it gets set as default backend only on systems with Vulkan support. wine-dxvk will then get added as "Recommends: wine-dxvk" into the wine package itself.
Users can run 'dnf reinstall wine-dxvk' after changing hardware configuration to get alternatives to use DXVK or wined3d updated.


This proposal can be accepted in a "reduced form" of replacing the default wined3d backend only for DirectX 10 and 11 and leaving DirectX 9 to be handled by the current wined3d.
This proposal can be accepted in a "reduced form" of replacing the default wined3d backend only for DirectX 10 and 11 and leaving DirectX 9 to be handled by the current wined3d.
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<!-- Summarize the feedback from the community and address why you chose not to accept proposed alternatives. This section is optional for all change proposals but is strongly suggested. Incorporating feedback here as it is raised gives FESCo a clearer view of your proposal and leaves a good record for the future. If you get no feedback, that is useful to note in this section as well. For innovative or possibly controversial ideas, consider collecting feedback before you file the change proposal. -->
<!-- Summarize the feedback from the community and address why you chose not to accept proposed alternatives. This section is optional for all change proposals but is strongly suggested. Incorporating feedback here as it is raised gives FESCo a clearer view of your proposal and leaves a good record for the future. If you get no feedback, that is useful to note in this section as well. For innovative or possibly controversial ideas, consider collecting feedback before you file the change proposal. -->
[https://www.reddit.com/r/linux/comments/hvbyyr/fedora_proposal_to_replace_default_wined3d/?utm_medium=android_app&utm_source=share Reddit thread on /r/linux]
* "Man, fedora 33 shaping up to be one incredible release"
* "wined3d doesn't have better compatibility at the moment"
* "I picked a bad time to install Leap 15.2. So many bugs. I should've waited a few months or just waited for the next Fedora release."
* "With this [https://src.fedoraproject.org/rpms/wine-dxvk/pull-request/4#_1__26 PR] added to check for compatibility, it sounds like a no-brainer to me."
[https://www.phoronix.com/forums/forum/software/desktop-linux/1195484-fedora-looks-to-make-dxvk-their-default-back-end-for-direct3d-9-10-11-on-wine Discussion on Phoronix Forum]
[https://www.gamingonlinux.com/2020/07/linux-distro-fedora-33-may-get-dxvk-as-the-default-for-wine/page=1#comments Article and Discussion on GamingOnLinux]


== Benefit to Fedora ==
== Benefit to Fedora ==
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Fedora users running recent Windows games will get superior performance and compatibility. Steam already leverages DXVK but there are other Game Stores and standalone games which would benefit from DXVK. Users had to know about this project and install it manually (or use e.g. Lutris), whereas having DXVK included by default will make sure everybody gets the best possible performance and compatibility.
Fedora users running recent Windows games will get superior performance and compatibility. Steam already leverages DXVK but there are other Game Stores and standalone games which would benefit from DXVK. Users had to know about this project and install it manually (or use e.g. Lutris), whereas having DXVK included by default will make sure everybody gets the best possible performance and compatibility.


I haven't done benchmarking per se, there are multiple resources on the Internet comparing DXVK and wined3d. I can do some testing on my hardware in the week of July 27th, if necessary.
I haven't done benchmarking per se, there are multiple resources on the Internet comparing DXVK and wined3d. If necessary I will do additional testing on my hardware in the week of July 27th.


== Scope ==
== Scope ==
* Proposal owners:
* Proposal owners: Merge https://src.fedoraproject.org/rpms/wine-dxvk/pull-request/4 ; add Recommends: wine-dxvk into wine the package.
<!-- What work do the feature owners have to accomplish to complete the feature in time for release?  Is it a large change affecting many parts of the distribution or is it a very isolated change? What are those changes?-->
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<!-- What happens to systems that have had a previous versions of Fedora installed and are updated to the version containing this change? Will anything require manual configuration or data migration? Will any existing functionality be no longer supported? -->
<!-- What happens to systems that have had a previous versions of Fedora installed and are updated to the version containing this change? Will anything require manual configuration or data migration? Will any existing functionality be no longer supported? -->


Aim is to convert users with supported Hardware Configuration to DXVK as a part of Fedora 32 > Fedora 33 upgrade. There shouldn't be any breakage since postinst script of wine-dxvk package would verify if GPU supports Vulkan or not and set alternatives to wined3d or DXVK accordingly.
The aim is to convert users with supported Hardware Configuration to DXVK as a part of Fedora 32 > Fedora 33 upgrade. There should not be any breakage since postinst script of wine-dxvk package would verify if the GPU supports Vulkan or not and set alternatives to wined3d or DXVK accordingly.


There is a slight possibility of user experience degradation compared to wined3d on old Intel iGPUs supporting just a subset of Vulkan specification (Ivy Bridge and Haswell generations). I don't have an opportunity to test DXVK on such hardware, however, if issues are discovered, check for Vulkan from wine-dxvk package PR ( https://src.fedoraproject.org/rpms/wine-dxvk/pull-request/4#_1__26 ) can be improved to blacklist certain GPU vendors/generations/models.
There is a slight possibility of user experience degradation compared to wined3d on old Intel iGPUs supporting just a subset of Vulkan specification (Ivy Bridge and Haswell generations). I haven't had any opportunity to test DXVK on such hardware, however, if issues are discovered, check for Vulkan from wine-dxvk package PR ( https://src.fedoraproject.org/rpms/wine-dxvk/pull-request/4#_1__26 ) could be improved to block certain GPU vendors/generations/models.


AMD and/or nVidia GPUs shouldn't be affected, they either don't support Vulkan at all, or support it fully.
AMD and/or nVidia GPUs should not be affected, they either do not support Vulkan at all, or they support it fully.


On GPUs without Vulkan support, wine-dxvk would remain installed and not used, consuming about 167 MB of HDD space. Users would be able to opt-out from using DXVK by adding 'exclude=wine-dxvk*' into /etc/dnf/dnf.conf and removing wine-dxvk package.
On GPUs without Vulkan support, wine-dxvk would remain installed and unused, consuming about 167 MB of HDD space. Users would be able to opt-out from using DXVK by adding 'exclude=wine-dxvk*' into /etc/dnf/dnf.conf and removing wine-dxvk package.


== How To Test ==
== How To Test ==

Latest revision as of 18:01, 7 August 2020

DXVK as default wined3d backend on VK capable hardware

Summary

Proposal to replace default wined3d backend with DXVK, A Vulkan-based translation layer for Direct3D 9/10/11 which allows running 3D applications on Linux using Wine.

Currently, wine in Fedora uses wined3d and users can optionally install DXVK (be it wine-dxvk package or by any other means). With this change accepted, wine would use DXVK instead of wined3d on supported GPUs automatically.

Owner

Current status

Detailed Description

DXVK is an alternative to wined3d providing more performant and more compatible way to run Windows applications and games using DirectX 9, 10 and 11.

More detailed description is available on DXVK Github.

DXVK is available as a wine-dxvk package since Fedora 31. wine-dxvk package uses alternatives system for following wine dll files: d3d9, d3d10.dll and d3d11.dll .

Should this proposal be accepted, a Pull Request will be merged into the wine-dxvk package which ensures it gets set as default backend only on systems with Vulkan support. wine-dxvk will then get added as "Recommends: wine-dxvk" into the wine package itself.

Users can run 'dnf reinstall wine-dxvk' after changing hardware configuration to get alternatives to use DXVK or wined3d updated.

This proposal can be accepted in a "reduced form" of replacing the default wined3d backend only for DirectX 10 and 11 and leaving DirectX 9 to be handled by the current wined3d.

Feedback

Reddit thread on /r/linux

  • "Man, fedora 33 shaping up to be one incredible release"
  • "wined3d doesn't have better compatibility at the moment"
  • "I picked a bad time to install Leap 15.2. So many bugs. I should've waited a few months or just waited for the next Fedora release."
  • "With this PR added to check for compatibility, it sounds like a no-brainer to me."

Discussion on Phoronix Forum

Article and Discussion on GamingOnLinux

Benefit to Fedora

Fedora users running recent Windows games will get superior performance and compatibility. Steam already leverages DXVK but there are other Game Stores and standalone games which would benefit from DXVK. Users had to know about this project and install it manually (or use e.g. Lutris), whereas having DXVK included by default will make sure everybody gets the best possible performance and compatibility.

I haven't done benchmarking per se, there are multiple resources on the Internet comparing DXVK and wined3d. If necessary I will do additional testing on my hardware in the week of July 27th.

Scope

  • Other developers: N/A (not a System Wide Change)
  • Policies and guidelines: N/A (not a System Wide Change)
  • Trademark approval: N/A (not needed for this Change)

Upgrade/compatibility impact

The aim is to convert users with supported Hardware Configuration to DXVK as a part of Fedora 32 > Fedora 33 upgrade. There should not be any breakage since postinst script of wine-dxvk package would verify if the GPU supports Vulkan or not and set alternatives to wined3d or DXVK accordingly.

There is a slight possibility of user experience degradation compared to wined3d on old Intel iGPUs supporting just a subset of Vulkan specification (Ivy Bridge and Haswell generations). I haven't had any opportunity to test DXVK on such hardware, however, if issues are discovered, check for Vulkan from wine-dxvk package PR ( https://src.fedoraproject.org/rpms/wine-dxvk/pull-request/4#_1__26 ) could be improved to block certain GPU vendors/generations/models.

AMD and/or nVidia GPUs should not be affected, they either do not support Vulkan at all, or they support it fully.

On GPUs without Vulkan support, wine-dxvk would remain installed and unused, consuming about 167 MB of HDD space. Users would be able to opt-out from using DXVK by adding 'exclude=wine-dxvk*' into /etc/dnf/dnf.conf and removing wine-dxvk package.

How To Test

1. Make sure you have Vulkan compatible GPU ('vulkaninfo' runs without errors)

2. Install wine-dxvk package

3. Run some Windows game with wine

A testday will take place before Fedora 33 GA to determine and workaround (disable DXVK and fallback to wined3d) issues on potentially broken hardware and GPU drivers.

In cases when something worked before installing wine-dxvk and stopped after (or regressed), bugs should be reported to DXVK Issue Tracker.

User Experience

Dependencies

N/A (not a System Wide Change)

Contingency Plan

  • Contingency mechanism: Obsolete wine-dxvk through base wine package
  • Contingency deadline: N/A (not a System Wide Change)
  • Blocks release? No
  • Blocks product? No

Documentation

N/A (not a System Wide Change)

Release Notes