Portal RTX is our first look at RTX Remix, which has the potential to revolutionise older PC games, transforming them into RT showcases. This particular release dramatically modernises the Valve classic with all-new assets and a fully path-traced pipeline, transforming the look of the game. But what is path-tracing compared to the hybrid RT approach seen in most titles? And how much GPU RT power do you need for a good experience.
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00:00:00 Introduction
00:00:58 RTX Remix for Remastering Old Games
00:02:35 What is Path Tracing?
00:03:47 Path Tracing Details - Primary Visibility
00:04:53 Path Tracing Details - Direct Lighting
00:06:58 Path Tracing Details - Indirect Lighting
00:10:12 Portal with RTX's New Models and Textures
00:13:02 Alex's Optimised Settings for Older RTX GPUs
00:17:41 AMD, Intel and DLSS 3 Issues
00:18:46 Conclusion
