godot/servers/rendering/renderer_rd/shaders/environment/SCsub

#!/usr/bin/env python

Import("env")

if "RD_GLSL" in env["BUILDERS"]:
    # find all include files
    gl_include_files = [str(f) for f in Glob("*_inc.glsl")]

    # find all shader code(all glsl files excluding our include files)
    glsl_files = [str(f) for f in Glob("*.glsl") if str(f) not in gl_include_files]

    # make sure we recompile shaders if include files change
    env.Depends([f + ".gen.h" for f in glsl_files], gl_include_files + ["#glsl_builders.py"])

    # compile shaders
    for glsl_file in glsl_files:
        env.RD_GLSL(glsl_file)