+ MESA_FORMAT_SRGB8, /* RRRR RRRR GGGG GGGG BBBB BBBB */
+ MESA_FORMAT_SRGBA8, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
+ MESA_FORMAT_SARGB8, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
+ MESA_FORMAT_SL8, /* LLLL LLLL */
+ MESA_FORMAT_SLA8, /* AAAA AAAA LLLL LLLL */