ENUM(VARYING_SLOT_BOUNDING_BOX0),
ENUM(VARYING_SLOT_BOUNDING_BOX1),
ENUM(VARYING_SLOT_VIEW_INDEX),
+ ENUM(VARYING_SLOT_VIEWPORT_MASK),
ENUM(VARYING_SLOT_VAR0),
ENUM(VARYING_SLOT_VAR1),
ENUM(VARYING_SLOT_VAR2),
ENUM(SYSTEM_VALUE_INVOCATION_ID),
ENUM(SYSTEM_VALUE_FRAG_COORD),
ENUM(SYSTEM_VALUE_POINT_COORD),
+ ENUM(SYSTEM_VALUE_LINE_COORD),
ENUM(SYSTEM_VALUE_FRONT_FACE),
ENUM(SYSTEM_VALUE_SAMPLE_ID),
ENUM(SYSTEM_VALUE_SAMPLE_POS),