File Name- Maz-x-barebones-shader-mcpe-1.21.mcpack //top\\ -

Under the tab, toggle Vibrant Visuals (or Deferred Technical Preview) to On . Final Video Settings :

: By simplifying designs and maintaining a 16x16 resolution, it can significantly increase frame rates compared to realistic shaders. File name- Maz-X-Barebones-Shader-MCPE-1.21.mcpack