STATE_POSITION_NORMALIZED, /* normalized light position */
STATE_FOG_PARAMS_OPTIMIZED, /* for faster fog calc */
STATE_SPOT_DIR_NORMALIZED, /* pre-normalized spot dir */
+ STATE_PT_SCALE, /**< Pixel transfer RGBA scale */
+ STATE_PT_BIAS, /**< Pixel transfer RGBA bias */
+ STATE_PCM_SCALE, /**< Post color matrix RGBA scale */
+ STATE_PCM_BIAS, /**< Post color matrix RGBA bias */
STATE_INTERNAL_DRIVER /* first available state index for drivers (must be last) */
} gl_state_index;