Nvidia's RTX Remix toolkit, which is used to mod DirectX8 and DirectX9 games with ray-tracing and remastered materials, was announced on June 2 to be going open source, with the Beta already available for download and the complete Toolkit set to be updated later in June. Besides the open source announcement, Nvidia also demonstrated RTX Remix's new functionality with Portal (the original game, not the pre-Remix RTX remaster) and demonstrated both upscaling and remastering existing texture work with physically based rendering (PBR) and allowing AI prompts to customize the look of the game even further.
With the open-sourcing of RTX Remix and the implementation of the new Rest API, it seems that Pandora's Box has finally been opened for easy, fan-made remasters of classic PC games still stuck in the pre-RT, DirectX8/DirectX9 era. Even if you have no practical experience at all and don't wish to alter the game you're playing fundamentally, the most basic form of RTX Remix can now seamlessly upscale all the existing textures in the game and apply realistic PBR lighting to those materials as well.
