Since you already have the filename, check:
The file refers to the Strawberry Deferred shader, a lightweight graphics enhancement pack for Minecraft Bedrock Edition (MCPE). It is designed to work with the Deferred Technical Preview (Render Dragon) features introduced around version 1.20. Key Features File name- Strawberry-Deferred-Shader-MCPE-1.20...
Deferred Rendering, which Mojang began implementing experimentally in recent updates and expanded upon in the 1.20 era, changes the game engine fundamentally. Instead of calculating lighting for every object one by one, the engine separates the scene into different "buffers"—textures that contain data about the geometry, normals, and depth of the world. It then applies lighting calculations to the entire scene at once. Since you already have the filename, check: The