McFly’s solution uses path-tracing, meaning each ray after being cast undergoes several intersections with the objects in the scene before returning to the source. In most games, RTX is implemented using standard ray-tracing where each ray of light undergoes a single intersection after which it returns to the light source. The difference between McFly’s ReShade shader and NVIDIA varies from game to game, and in some the end-result is more or less than the same. Difference Between ReShade PRGI Shader and NVIDIA RTX Then, what’s the point you may ask? Well, it still produces a much more accurate shadowing for objects present in the scene, much better than traditional SSAO and HBAO. It depends on the data available in the depth buffer. However, unlike NVIDIA’s RTX implementation in games like Minecraft, the RTGI shader doesn’t consider objects and sources not visible on the screen. To answer that question, yes, this indeed is real-time ray-tracing. The final version is going to be publicly accessible for free, but at the moment, you’ll have to shell out a tiny donation to try it out 🙂īefore we begin, you’ll probably want to know whether this is actual ray-tracing or some dirty hack.
Before we go on, please keep in mind that this ray-tracing shader is still in beta, which requires a $5 subscription to access. McFly’s Path Traced Global Illumination (PTGI) : This is the one you’ll probably want to download. There are multiple ways you can try out real-time ray-tracing on your PC: Luckily, even folks who don’t have NVIDIA’s latest RTX GPUs can test out ray-tracing and see what the fuss is all about. That in itself tells you all you need to know. On Steam, less than 3% of gamers own the RTX 2060, the cheapest RTX graphics card.
NVIDIA might have popularized ray-tracing (at least the term) among the masses, but even now only a small percentage of gamers (5-10%) have access to the technology.
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