VTXS Screen Space DemoShaders · 1.18 – 26.xFast and very sharp shader with Screen Space Path Tracing
Free78,855 downloads
A path tracing shaderpack for vulkanite mod, better than demo pack
Opens Modrinth · 179,569 downloads there
A path tracing shaderpack for vulkanite mod, better than demo pack
Dirt RT is a shader pack made by sjrsjz. It supports Minecraft 1.20 – 26.x. It has been downloaded 179,569 times on Modrinth. The last update came out on Jul 25, 2026.
Dirt RT has had 10 releases on Modrinth since Jan 7, 2024. 2 of them came out in the past year. The newest is 0.4.0, released on Jul 25, 2026. It is made for Minecraft 26.2. It runs on Fabric and Iris. The download is 353 KB.
| Version | Released | Minecraft | Type |
|---|---|---|---|
0.4.0 | Jul 25, 2026 | 26.2 | Release |
v0.3.0 | Jun 18, 2026 | 1.20.1 | Release |
v0.2.0 | Dec 3, 2024 | 1.20.1, 1.20.2 | Release |
v0.1.5 | May 30, 2024 | 1.20.1, 1.20.2 | Release |
0.1.4 | May 26, 2024 | 1.20.1, 1.20.2 | Release |
Dirt RT is open source. Its newest release on GitHub is SVGF with Mahalanobis edge-stopping, published on Jun 18, 2026.
feat: groundbreaking denoiser — SG-based physical irradiance integration + SVGF with Mahalanobis edge-stopping
This is a landmark release that rewrites the entire denoising pipeline from the
ground up. The new denoiser produces dramatically cleaner, more stable, and
more physically accurate results than ALL previous versions combined.
═══════════════════════════════════════════════════════════════════════════
CORE INNOVATION: Spherical Gaussian (SG) Physical Irradiance Integration
═══════════════════════════════════════════════════════════════════════════
The old SH (Spherical Harmonics) irradiance projection has been completely
replaced with a physically-based SG (Spherical Gaussian) integration framework:
via SGProduct(), yielding exact attenuation without series truncation
over the hemisphere using a rational approximation of the erf function
coefficients, expm1_over_x() with 1st-order Taylor fallback, and
Read all release notes on GitHub
Before that: features Parallax Occlusion Mapping (Feb 1, 2025), TAA-fixed (Dec 2, 2024).
A path tracing shaderpack for vulkanite mod, better than demo pack
Github: Dirt RT
Notice: YOU NEED TO LOAD A PBR RESOURSEPACK AND USE **Vulkanite 26.2 branch** TO MAKE THE SHADER WORK CORRECTLY
This shaderpack requires a high performance GPU (like RTX 4060/70) so that your card won't burn into ash
If you cannot launch the game due to a strange memory or stack overflow, try adding -Dorg.lwjgl.system.stackSize=1024 to your JVM options.
Written by sjrsjz. Read it with pictures on Modrinth.
Install Iris (with Sodium) or OptiFine for your Minecraft version: shaders need one of them.
Download the .zip file from Modrinth. Do not unzip it.
In Minecraft, open Options, then Video Settings, then Shader Packs, and click Open Shader Pack Folder.
Drop the .zip file into that folder, pick Dirt RT in the list and click Done.
Shaders are heavy on the graphics card. If the game gets slow, pick a lower profile in the shader settings.
| Resource | Downloads | Versions | Last update | Price |
|---|---|---|---|---|
| Dirt RTthe one you looked at | 180K | 1.20 – 26.x | Jul 25, 2026 | Free |
| VTXS Screen Space Demolipesto | 79K | 1.18 – 26.x | May 2, 2026 | Free |
 Vulkanite Demo PackBalintCsala | 24K | 1.20 | Sep 20, 2023 | Free |
 TracedLiteRiukuo | 312 | 1.18 – 1.21 | 4 days ago | Free |
Yes. Dirt RT supports Minecraft 26.x. All supported versions: 26.x, 1.20.
Yes. Dirt RT is free to download from Modrinth.
Yes. The last update came out in the past day.
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