Rtgi 0.17.0.2 Release May 2026

Getting the Most Out of RTGI 0.17.0.2: A Guide to the Latest Ray-Traced Global Illumination Update

If you are a PC gamer who loves modding, you are likely familiar with Pascal Gilcher’s RTGI (Ray-Traced Global Illumination) shader for ReShade. It is the gold standard for bringing realistic, dynamic lighting to older or unoptimized games without needing official engine-level ray tracing.

With the release of RTGI 0.17.0.2, Pascal (often known as Marty McFly in the modding community) has pushed the shader even further. This isn't just a simple bug fix; it's a refinement of how the shader handles complex lighting scenarios.

Whether you are upgrading from an older version or installing RTGI for the first time, here is a helpful breakdown of what’s new in 0.17.0.2, how to configure it, and how to make sure your game looks its absolute best.

📥 Download & Installation

RTGI v0.17.0.2 is available now on the usual channels:

• GitHub Releases (primary source)
• ReShade Effects Repository (via the ReShade installer)

⚠️ Important: RTGI requires ReShade 5.0 or newer with depth buffer access enabled. Make sure your ReShade is up to date. rtgi 0.17.0.2 release

Performance Benchmarks (Community-Tested)

Test system: Ryzen 5 5600X, RTX 3060 12GB, 16GB DDR4, 1080p resolution.

| Game | RTGI Off (FPS) | RTGI 0.16 (Balanced) | RTGI 0.17.0.2 (Balanced) | Improvement | |------|----------------|------------------------|----------------------------|--------------| | Fallout 4 | 72 | 51 | 58 | +13.7% | | Grand Theft Auto V | 98 | 68 | 77 | +13.2% | | Resident Evil 2 Remake | 86 | 61 | 69 | +13.1% | | Skyrim SE (heavily modded) | 55 | 37 | 43 | +16.2% |

The largest gains are seen in CPU-limited scenes, where the shader’s reduced overhead allows for smoother frame times.

Why RTGI Matters in 2026

Even as native ray tracing becomes standard in AAA games, RTGI remains vital for three reasons:

• Legacy game revitalization: Hundreds of older games (Prey 2017, Half-Life 2, Mass Effect Legendary) look dramatically better with GI that wasn't originally present.
• Performance: RTGI at Balanced settings uses roughly 1/3rd the performance cost of full-fat hardware RT, making it perfect for handhelds (Steam Deck, ROG Ally).
• Customization: No built-in RT solution allows per-scene saturation, bounce count, and falloff tuning the way RTGI does.

2. Optimized Ray Marching for AMD and Intel GPUs

The shader now features architecture-specific code paths. RDNA 2/3 (AMD RX 6000/7000) and Intel Arc users report up to a 15% performance gain at equivalent quality settings. NVIDIA users also benefit from reduced register pressure, leading to lower VRAM overhead. Getting the Most Out of RTGI 0

Performance: The Surprise Winner

Here’s where 0.17.0.2 genuinely impressed me. Testing on an RTX 3060 (12GB) and an RX 6700 XT:

| Game (1440p, RTGI at High Quality, ½ resolution rays) | 0.16.1 | 0.17.0.2 | Change | |-------------------------------------------------------|--------|----------|--------| | Cyberpunk 2077 (no in-game RT) | 58 fps | 61 fps | +5% | | Elden Ring (locked 60, GPU load) | 89% | 84% | -5% load| | Skyrim SE (ENB + RTGI) | 45 fps | 47 fps | +4% | | Dead Space (2023) (no native RT) | 52 fps | 54 fps | +3% |

The 2–5% uplift on NVIDIA Turing+ is real but subtle. More importantly, frame time consistency is improved. The old stutter when temporal accumulation resets (e.g., after a loading screen or cutscene) is almost gone. On AMD, the crash fix for depth buffer toggling is a lifesaver—no more CTDs when alt-tabbing.

VRAM usage remains unchanged: ~200-350MB overhead. Fine for 8GB cards, tight but usable on 6GB at 1080p.

Ray count vs. Quality: The “High” preset uses 8 rays per pixel. “Ultra” (16 rays) still tanks performance by 40–50% for marginal gain. Stick to High or Medium. 📥 Download & Installation RTGI v0

A Deep Dive into RTGI 0.17.0.2: Pascal Gilcher’s Ray Traced Global Illumination Refines the Magic

4. Fixed Edge Artifacts in VR & Ultra-Wide Resolutions

Version 0.17.0.2 patches a decade-old screen-space border issue that caused glowing or dark halos at the edges of ultrawide (21:9, 32:9) and VR (stereoscopic) resolutions. Modders using VorpX or high-FOV configurations will find the shader now usable without custom cropping hacks.

Key Improvements in 0.17.0.2

1. Performance tuning
   Slightly reduced compute overhead compared to 0.17.0.1, especially on AMD GPUs (better wave utilization).

2. Ghosting reduction
   Improved temporal stability in high-motion scenes – less trailing behind moving objects/characters.

3. Better ReShade 5.9+ compatibility
   Fixes a depth buffer access issue that caused black flickering on some DirectX 12 titles.

4. Exposure heuristic refinement
   Auto-exposure now reacts faster to sudden lighting changes (e.g., looking from a dark cave to bright sky).