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R-T-S

What is the R-T-S Shader? It is a shader pack that attempts to simulate complex global illumination techniques. Unlike traditional shaders that rely on simple rasterization, R-T-S calculates light paths more realistically within the game engine.
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File Details
DownloadInstall

R-T-S_1.0.3 BETA.zip

ByEiden1234
  • R
  • Jun 24, 2026
  • 21.03 KB
  • 6
  • 1.20.1+2

File Name

R-T-S_1.0.3 BETA.zip

Supported Versions

  • 1.20.1
  • OptiFine
  • Iris

Added: Shadow configuration options

Known Issue / Bug: Torch lighting (emissive/dynamic light) is currently not working in this build.

Note: This is a beta release focused on the new shadow settings. The torch bug will be fixed in the next updat