LUT纹理初始化参数
步长数量 transmittances: 40 mulitScattering: 20
宽度、高度、深度 transmittances: [256,64,1] mulitScattering: [32,32,1] skyView: [192,108,1] aerialPerspective: [32,32,32]//160 × 90 × 64?
LUT纹理初始化参数