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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.

File Details

R-T-S_1.0.2.zip

  • R
  • Jun 24, 2026
  • 19.91 KB
  • 1
  • 1.20.1+2

File Name

R-T-S_1.0.2.zip

Supported Versions

  • 1.20.1
  • OptiFine
  • Iris

Version 1.0.2

Added: Shadows are now officially implemented.

Added: You can now toggle shadows on and off in the settings.

Added: The sky is now configurable.

Fixed: Resolved several bugs related to water rendering.

Known Issues: There is currently a lighting issue when holding a torch in the hand, making it obsolete for now.

Coming Soon: We will be focusing heavily on performance optimizations for future updates.