Guide
What is LabPBR
The format that tells shaders how each block reacts to light.
Two extra maps per block
A LabPBR pack ships a normal map (shape and height) and a specular map (smoothness, metal, glow) next to each color texture. The shader reads them to draw real light.
Which shaders read it
Complementary, BSL, Bliss, Eclipse and SEUS PTGI on Iris all support LabPBR. Pick LabPBR in the shader's PBR or Materials menu.
LabPBR in Native PBR
Native PBR uses LabPBR on every block while keeping the original vanilla art – the Vanilla Plus approach.
Does LabPBR work on Bedrock?
No. LabPBR is for Minecraft Java with shaders. Bedrock RTX uses its own format.
Install guide · What Is POM in Minecraft? Parallax Occlusion Mapping · Native PBR PC Requirements: VRAM for 4K PBR Textures
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