Reshade Ray Tracing Shader Rtgi 033: Free

Without RTGI: Flat, plastic-looking cars and shadows. With RTGI: Light bounces off the asphalt, cars reflect ambient sky color, and interiors look naturally lit. It makes Los Santos feel photorealistic.

⚠️ Note: Avoid shady “RTGI 0.33 free download” sites — they often bundle malware. Use GitHub or official ReShade Discord.

Developed by the brilliant Pascal "Marty McFly" Gilcher, the RTGI shader simulates how light bounces off surfaces in real-time. Unlike traditional ambient occlusion (which only adds shadows in corners), RTGI calculates the intensity of incoming light and its color bleed. For example, a red brick wall will cast a faint red tint onto a white floor nearby.

The version number 0.33 holds a special place in the modding community. Why?

The Next-Gen update has official ray tracing, but it kills performance. RTGI 0.33 on the classic DX11 version gives you 80% of the visual upgrade for 20% of the performance cost.

You can find it in older ReShade shader packs from 2021, such as the "McFly Shaders" archive from January 2022. Check GitHub backups or legitimate ReShade repositories — not random file upload sites.

Recommendation: Support the developer for $5–$10 and get the real, safe, updated RTGI (now called "RTGI ReGrade" or similar). It's cheap and malware-free.

ReShade RTGI 0.33, developed by Pascal Gilcher, introduced motion vector support to improve lighting performance and reduce ghosting, offering realistic, screen-space global illumination

. While the full RTGI shader is paid, alternatives like NVIDIA's SSRTGI or community-driven presets provide free, though less feature-rich, options . For a deep dive into the official RTGI, visit martysmods.com ReShade 5.3 and RTGI 0.33 Update | August 2022

The update includes ReShade 5.3 and RTGI 0.33. A new feature for RTGI 0.33 is the addition of motion vectors. Daemon White ReShade 5.3 and RTGI 0.33 Update | August 2022

ReShade RTGI (Ray Traced Global Illumination) shader, specifically version , is a sophisticated post-processing tool created by Pascal Gilcher reshade ray tracing shader rtgi 033 free

(also known as "Marty McFly"). While ReShade itself is free, the RTGI shader is typically distributed through a paid model, though a "free" version of the technology exists in a limited capacity. Key Features of RTGI 0.33

Version 0.33 was a major update released around August 2022. Motion Vectors Support: The standout feature of version 0.33 was the addition of motion vectors

, which significantly improves temporal stability and reduces ghosting during movement. Ray Traced Global Illumination:

Simulates how light bounces off surfaces to illuminate other objects in real-time, providing realistic lighting in games that don't natively support it. Hardware Independency: It operates on depth data

alone, meaning it does not require dedicated NVIDIA RTX hardware to function; it works on almost any modern GPU. Diffuse and Specular Modeling:

Accurately models both diffuse (soft, scattered light) and specular (shiny, reflective) global illumination for improved material realism. Scalable Controls:

Features an intuitive interface with quality presets for both diffuse and specular GI, allowing users to balance visual quality against performance costs. marty's mods "Free" vs. Paid Access Paid Access (Patreon):

To officially download the latest versions of RTGI (including 0.33 and newer), you generally must subscribe to Pascal Gilcher's Patreon ($5/month tier). NVIDIA SSRTGI (Free Alternative): A version of this technology was adopted by NVIDIA as

(Screen Space Ray Traced Global Illumination). It is available for

through the NVIDIA GeForce Experience "Freestyle" filters for owners of Turing architecture cards and up. Third-Party Presets: Some community-made preset collections like RTShade on GitHub Without RTGI: Flat, plastic-looking cars and shadows

offer free public ray tracing presets, though these may use alternative shaders rather than the specific proprietary RTGI files. Installation Overview Install ReShade: Download the latest "full add-on support" version from reshade.me Add RTGI Files: Place the downloaded files into the game's reshade-shaders/Shaders Configure Depth Buffer: In-game, ensure the DisplayDepth

shader is correctly configured (depth should appear as a clear grayscale map) for the ray tracing to track 3D objects correctly. for a specific game? ReShade 5.3 and RTGI 0.33 Update | August 2022 14 Aug 2022 —

ReShade RTGI (Ray Traced Global Illumination) shader is a sophisticated post-processing tool developed by Pascal Gilcher

(also known as Marty McFly) that adds realistic lighting and shadows to games through screen-space ray tracing. marty's mods The specific version , released in August 2022 alongside ReShade 5.3 , introduced critical features like motion vectors to improve stability and performance. The Quest for "Free" RTGI 0.33

Officially, the RTGI shader is not a free public tool. It is a premium modification distributed through Pascal Gilcher’s Patreon Patreon Access:

The shader is typically available to supporters at the "Breakfast" level (approximately $5) or higher. Once subscribed, users can download the latest beta versions, including the legacy 0.33 files, via the creator’s Discord server. Alternative "Free" Options:

While 0.33 itself is paid, some users seek free alternatives or older equivalents: NVIDIA SSRTGI:

NVIDIA adopted an algorithmic equivalent of Marty McFly’s work into their

driver modules. This is free for owners of compatible NVIDIA cards. Public Alternatives: Projects like

on GitHub offer free public ray tracing presets for ReShade, though they may not utilize the exact RTGI 0.33 code. Core Technical Features of RTGI 0.33 ⚠️ Note: Avoid shady “RTGI 0

The 0.33 update was a significant milestone for the shader's development:

ReShade RTGI | Ray Traced Global Illumination - marty's mods

The ReShade RTGI (Ray Traced Global Illumination) shader, specifically version 0.33, is a post-processing tool developed by Pascal Gilcher (Marty McFly) that adds dynamic, realistic lighting and global illumination to games. Key Features of RTGI 0.33

Motion Vectors: This version introduced support for motion vectors, significantly improving temporal stability and reducing "ghosting" or flickering effects during movement.

Hardware Independence: It operates purely on depth data, making it compatible with non-RTX graphics cards (GTX, AMD, etc.), though it remains performance-heavy.

Global Illumination: Accurately models how light bounces off surfaces to illuminate nearby objects with reflected color. Availability and "Free" Status

Official Access: Officially, the iMMERSE Pro: RTGI suite is a Patreon-only collection. Users typically gain access by subscribing to Pascal Gilcher's Patreon and joining the dedicated Discord server for updates.

NVIDIA Integration: A version of this technology, known as SSRTGI, was integrated into NVIDIA's FreeStyle and Ansel drivers, providing a similar effect for free to owners of compatible NVIDIA cards (Turing architecture and up).

Unofficial Free Sources: While version 0.33 was a specific historical update, some users share archived files on platforms like Reddit or Internet Archive, though these are not official distribution channels and may be outdated compared to current versions (like 0.70+). Free Alternatives

If you are looking for ray tracing-style effects without a Patreon subscription, consider these open-source options:

Free RTGI Shaders Coming With Latest NVidia Drivers : r/skyrimmods