Activating the shader typically results in a 20% to 40% drop in framerates, depending on your resolution and selected quality presets (Low, Medium, High, or Ultra).

RTGI 0.17.0.2 was developed before the widespread adoption of DLSS and FSR, so its performance is directly tied to raw GPU compute power. It works on a wide range of cards, from modern GPUs to older ones, but it is not recommended for low-end or integrated graphics hardware.

The release of marks a significant milestone in the world of post-processing ray tracing. This update is not merely a bug-fix patch; it represents a refined approach to how screen-space ray tracing can mimic path-traced global illumination without requiring native hardware acceleration.

Determines how far light rays travel. Longer rays increase quality but hurt performance.

Is the performance hit worth the eye candy? For virtual photography, it’s a no-brainer. 📸

The shader analyzes the depth buffer and color data already present on your screen. It then casts virtual light rays across the visible scene. This calculation simulates how light bounces off surfaces, bleeds colors, and casts realistic shadows. Because it operates entirely within screen space, it does not require an RTX or RX graphics card to run. Key Features of Version 0.17.0.2

| Setting | Recommended start value | Note | |--------|----------------------|------| | | 0.20–0.35 | Larger = farther bounce but more artifacts | | Bounce Count | 2 | 1 for performance, 3+ for quality | | Intensity | 0.6–1.0 | Bounce light brightness | | AO Strength | 0.4 | Ambient occlusion contribution | | Enable specular | On | If game has rough/metal materials | | Temporal accumulation | Off | Not stable in 0.17 – causes ghosting |

This version relies on a voxel-based approach for indirect lighting calculations, distinct from earlier pure screen-space methods.

Download the latest ReShade and install it into your game’s .exe folder. Download RTGI: Acquire the ReShade GI Beta 0.17.0.2.zip .