EarthShade

Earthshade is a shaderpack made for Minecraft: Java Edition. It's atmospheric, colorful, and designed to give Minecraft a more natural and cinematic look. This shader includes realtime shadows, atmospheric scattering, volumetric clouds, ambient occlusion, custom lighting, enhanced water, and improved skies. Additional effects include parallax mapping, reflections, bloom, temporal anti-aliasing, custom sun and moon rendering, and more.

INSTALLATION Download and install Iris Shaders or OptiFine Download Earthshade Put the shaderpack inside .minecraft\shaderpacks Launch Minecraft Open Options → Video Settings → Shader Packs Select Earthshade

This is still a work in progress,and voxel gi is untested.