// set pbr texture format 1 is LabPBR, 0 is OldPBR
#define PBR_FORMAT 1

#define NORMAL_MAP_STRENGTH 1.0

// allowed value 0.0 ~ 1.0
#define ROUGHNESS_STRENGTH 1.0

// allowed value 0.0 ~ 1.0
#define SMOOTHNESS_STRENGTH 1.0

// set inverse resolution of current texture pack
// 16 = 1.0/16.0, 32 = 1.0/32.0 ..
#define invtres (1.0 / 128.0)
