ENUM(SYSTEM_VALUE_SAMPLE_POS),
ENUM(SYSTEM_VALUE_SAMPLE_MASK_IN),
ENUM(SYSTEM_VALUE_HELPER_INVOCATION),
+ ENUM(SYSTEM_VALUE_COLOR0),
+ ENUM(SYSTEM_VALUE_COLOR1),
ENUM(SYSTEM_VALUE_TESS_COORD),
ENUM(SYSTEM_VALUE_VERTICES_IN),
ENUM(SYSTEM_VALUE_PRIMITIVE_ID),