engine/src/core-data/Common/ShaderLib/Splatting.glsllib

void Splatting_Base(in sampler2D baseMap, in vec2 tc, in float scale, out vec3 outColor){
    outColor = texture2D(baseMap, tc * vec2(scale)).rgb;
}

void Splatting_AlphaDetail(in sampler2D alphaMap, in sampler2D detailMap, in vec2 tc, in float scale, out vec3 outColor){
    float alpha = sampler2D(alphaMap, tc).r;
    vec3  color = sampler2D(detailMap, tc * vec2(scale)).rgb;
    //outColor  = mix(outColor, color, alpha);
    outColor    = outColor + color * vec3(alpha);
}