Homepage » Minecraft Shaders » Alpha Piscium Shaders (1.21.11, 1.20.1) – Global Illumination And Volumetrics
Alpha Piscium Shaders (1.21.11, 1.20.1) – Global Illumination And Volumetrics
Alpha Piscium Shaders (1.21.11, 1.20.1) implements real-time global illumination using modern screen-space techniques, combined with advanced denoising to maintain visual stability. Lighting, shadows, and atmospheric effects are designed to react dynamically to time of day and weather conditions.
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Features:
- Real-time global illumination
- ReSTIR-based screen-space global illumination
- ReBLUR-based denoising system
- Real-time atmospheric scattering
- Sky atmosphere rendering based on Unreal Engine techniques
- Epipolar sampling for lighting calculations
- Real-time volumetric clouds using Nubis
- High-quality adaptive shadow rendering
- Rectilinear Texture Warping for shadow mapping
Screenshots:










Requires:
How to install:
- Please visit the following link for full instructions: How To Download & Install Shaders with OptiFine
Alpha Piscium Shaders (1.21.11, 1.20.1) Download Links
For All Versions of Minecraft
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High-End Shaders
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February 1, 2026