A user named LordVulkan over on the Beyond3D forums has added RTX Remix files from the recent Portal RTX release into SWAT 4. Early days but it is likely to be modded into other DX8 titles, with a possibility for some DX9 titles.
Edit: Other titles have had it implemented with various results.
Source: https://forum.beyond3d.com/threads/rtx-remix.62991/post-2278976
Swat 4:
Max Payne:
(Before and After)
Edit: Other titles have had it implemented with various results.
Source: https://forum.beyond3d.com/threads/rtx-remix.62991/post-2278976
Swat 4:
Max Payne:
(Before and After)
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