anchor.diff:  PIPE_FORMAT_R16G16B16_SSCALED     , array , 1, 1, s16 , s16 , s16 ,     , xyz1, rgb
   PIPE_FORMAT_R16G16B16A16_SSCALED  , array , 1, 1, s16 , s16 , s16 , s16 , xyzw, rgb
   PIPE_FORMAT_R8_UNORM              , array , 1, 1, un8 ,     ,     ,     , x001, rgb
  -PIPE_FORMAT_R8G8_UNORM            , array , 1, 1, un8 , un8 ,     ,     , yx01, rgb
  -PIPE_FORMAT_R8G8B8_UNORM          , array , 1, 1, un8 , un8 , un8 ,     , zyx1, rgb
  -PIPE_FORMAT_R8G8B8A8_UNORM        , array , 1, 1, un8 , un8 , un8 , un8 , wzyx, rgb
  -PIPE_FORMAT_R8G8B8X8_UNORM        , array , 1, 1, un8 , un8 , un8 , un8 , wzy1, rgb
  +PIPE_FORMAT_R8G8_UNORM            , array , 1, 1, un8 , un8 ,     ,     , xy01, rgb
   PIPE_FORMAT_R8_USCALED            , array , 1, 1, u8  ,     ,     ,     , x001, rgb
   PIPE_FORMAT_R8G8_USCALED          , array , 1, 1, u8  , u8  ,     ,     , xy01, rgb
   PIPE_FORMAT_R8G8B8_USCALED        , array , 1, 1, u8  , u8  , u8  ,     , xyz1, rgb
   PIPE_FORMAT_R8G8B8A8_USCALED      , array , 1, 1, u8  , u8  , u8  , u8  , xyzw, rgb
  -PIPE_FORMAT_R8G8B8X8_USCALED      , array , 1, 1, u8  , u8  , u8  , u8  , xyz1, rgb
   PIPE_FORMAT_R8_SNORM              , array , 1, 1, sn8 ,     ,     ,     , x001, rgb
   PIPE_FORMAT_R8G8_SNORM            , array , 1, 1, sn8 , sn8 ,     ,     , xy01, rgb
   PIPE_FORMAT_R8G8B8_SNORM          , array , 1, 1, sn8 , sn8 , sn8 ,     , xyz1, rgb
   PIPE_FORMAT_R8G8B8A8_SNORM        , array , 1, 1, sn8 , sn8 , sn8 , sn8 , xyzw, rgb
  -PIPE_FORMAT_R8G8B8X8_SNORM        , array , 1, 1, sn8 , sn8 , sn8 , sn8 , xyz1, rgb
  -PIPE_FORMAT_B6G5R5_SNORM          , arith , 1, 1, sn5 , sn5 , sn6 ,     , xyz1, rgb
  -PIPE_FORMAT_A8B8G8R8_SNORM        , array , 1, 1, sn8 , sn8 , sn8 , sn8 , wzyx, rgb
  -PIPE_FORMAT_X8B8G8R8_SNORM        , array , 1, 1, sn8 , sn8 , sn8 , sn8 , wzy1, rgb
   PIPE_FORMAT_R8_SSCALED            , array , 1, 1, s8  ,     ,     ,     , x001, rgb
   PIPE_FORMAT_R8G8_SSCALED          , array , 1, 1, s8  , s8  ,     ,     , xy01, rgb
   PIPE_FORMAT_R8G8B8_SSCALED        , array , 1, 1, s8  , s8  , s8  ,     , xyz1, rgb
   PIPE_FORMAT_R8G8B8A8_SSCALED      , array , 1, 1, s8  , s8  , s8  , s8  , xyzw, rgb
  +
  +# Ambiguous formats
  +# FIXME: They are used with different meanings in different places!!!
  +PIPE_FORMAT_R8G8B8_UNORM          , array , 1, 1, un8 , un8 , un8 ,     , zyx1, rgb
  +PIPE_FORMAT_R8G8B8A8_UNORM        , array , 1, 1, un8 , un8 , un8 , un8 , wzyx, rgb
  +
  +# Unused formats
  +# XXX: Couldn't find any state tracker using them!!
  +PIPE_FORMAT_B6G5R5_SNORM          , arith , 1, 1, sn5 , sn5 , sn6 ,     , xyz1, rgb
  +PIPE_FORMAT_R8G8B8X8_SNORM        , array , 1, 1, sn8 , sn8 , sn8 , sn8 , xyz1, rgb
  +PIPE_FORMAT_R8G8B8X8_USCALED      , array , 1, 1, u8  , u8  , u8  , u8  , xyz1, rgb
   PIPE_FORMAT_R8G8B8X8_SSCALED      , array , 1, 1, s8  , s8  , s8  , s8  , xyz1, rgb
  -PIPE_FORMAT_R32_FIXED             , array , 1, 1, h32 ,     ,     ,     , x001, rgb
  -PIPE_FORMAT_R32G32_FIXED          , array , 1, 1, h32 , h32 ,     ,     , xy01, rgb
  -PIPE_FORMAT_R32G32B32_FIXED       , array , 1, 1, h32 , h32 , h32 ,     , xyz1, rgb
  -PIPE_FORMAT_R32G32B32A32_FIXED    , array , 1, 1, h32 , h32 , h32 , h32 , xyzw, rgb
  -PIPE_FORMAT_L8_SRGB               , arith , 1, 1, u8  ,     ,     ,     , xxx1, srgb 
  -PIPE_FORMAT_A8L8_SRGB             , arith , 1, 1, u8  , u8  ,     ,     , xxxy, srgb 
  -PIPE_FORMAT_R8G8B8_SRGB           , array , 1, 1, u8  , u8  , u8  ,     , xyz1, srgb 
  -PIPE_FORMAT_R8G8B8A8_SRGB         , array , 1, 1, u8  , u8  , u8  , u8  , xyzw, srgb 
  -PIPE_FORMAT_R8G8B8X8_SRGB         , array , 1, 1, u8  , u8  , u8  , u8  , xyz1, srgb 
  -PIPE_FORMAT_A8R8G8B8_SRGB         , array , 1, 1, u8  , u8  , u8  , u8  , yzwx, srgb 
  -PIPE_FORMAT_X8R8G8B8_SRGB         , array , 1, 1, u8  , u8  , u8  , u8  , yzw1, srgb 
  -PIPE_FORMAT_B8G8R8A8_SRGB         , array , 1, 1, u8  , u8  , u8  , u8  , zyxw, srgb 
  -PIPE_FORMAT_B8G8R8X8_SRGB         , array , 1, 1, u8  , u8  , u8  , u8  , zyx1, srgb 
  -PIPE_FORMAT_X8UB8UG8SR8S_NORM     , array , 1, 1, sn8 , sn8 , un8 , x8  , wzy1, rgb
  -PIPE_FORMAT_B6UG5SR5S_NORM        , arith , 1, 1, sn5 , sn5 , un6 ,     , xyz1, rgb
  -PIPE_FORMAT_DXT1_RGB              , dxt   , 4, 4, x64 ,     ,     ,     , xyz1, rgb
  -PIPE_FORMAT_DXT1_RGBA             , dxt   , 4, 4, x64 ,     ,     ,     , xyzw, rgb
  -PIPE_FORMAT_DXT3_RGBA             , dxt   , 4, 4, x128,     ,     ,     , xyzw, rgb
  -PIPE_FORMAT_DXT5_RGBA             , dxt   , 4, 4, x128,     ,     ,     , xyzw, rgb
  -PIPE_FORMAT_DXT1_SRGB             , dxt   , 4, 4, x64 ,     ,     ,     , xyz1, srgb
  -PIPE_FORMAT_DXT1_SRGBA            , dxt   , 4, 4, x64 ,     ,     ,     , xyzw, srgb
  -PIPE_FORMAT_DXT3_SRGBA            , dxt   , 4, 4, x128,     ,     ,     , xyzw, srgb
  -PIPE_FORMAT_DXT5_SRGBA            , dxt   , 4, 4, x128,     ,     ,     , xyzw, srgb
  +# XXX: This one is mentioned in mesa and r300, but not anywhere else. Not sure it is actually needed
  +PIPE_FORMAT_R8G8B8X8_UNORM        , array , 1, 1, un8 , un8 , un8 , un8 , wzy1, rgb
  
positive.code: PIPE_FORMAT_R32G32_SSCALED        , array , 1, 1, s32 , s32 ,     ,     , xy01, rgb
  PIPE_FORMAT_R32G32B32_SSCALED     , array , 1, 1, s32 , s32 , s32 ,     , xyz1, rgb
  PIPE_FORMAT_R32G32B32A32_SSCALED  , array , 1, 1, s32 , s32 , s32 , s32 , xyzw, rgb
  PIPE_FORMAT_R16_UNORM             , array , 1, 1, un16,     ,     ,     , x001, rgb
  PIPE_FORMAT_R16G16_UNORM          , array , 1, 1, un16, un16,     ,     , xy01, rgb
  PIPE_FORMAT_R16G16B16_UNORM       , array , 1, 1, un16, un16, un16,     , xyz1, rgb
  
negative.code: PIPE_FORMAT_A4R4G4B4_UNORM        , arith , 1, 1, un4 , un4 , un4 , un4 , zyxw, rgb
  PIPE_FORMAT_R5G6B5_UNORM          , arith , 1, 1, un5 , un6 , un5 ,     , zyx1, rgb
  PIPE_FORMAT_A2B10G10R10_UNORM     , arith , 1, 1, un10, un10, un10, un2 , xyzw, rgb
  
  # Luminance/Intensity/Alpha formats
  PIPE_FORMAT_L8_UNORM              , arith , 1, 1, un8 ,     ,     ,     , xxx1, rgb
  PIPE_FORMAT_A8_UNORM              , arith , 1, 1, un8 ,     ,     ,     , 000x, rgb
  PIPE_FORMAT_I8_UNORM              , arith , 1, 1, un8 ,     ,     ,     , xxxx, rgb
  PIPE_FORMAT_A8L8_UNORM            , arith , 1, 1, un8 , un8 ,     ,     , xxxy, rgb
  PIPE_FORMAT_L16_UNORM             , arith , 1, 1, un16,     ,     ,     , xxx1, rgb
  
  # SRGB formats
  PIPE_FORMAT_L8_SRGB               , arith , 1, 1, u8  ,     ,     ,     , xxx1, srgb 
  PIPE_FORMAT_A8L8_SRGB             , arith , 1, 1, u8  , u8  ,     ,     , xxxy, srgb 
  PIPE_FORMAT_R8G8B8_SRGB           , array , 1, 1, u8  , u8  , u8  ,     , xyz1, srgb 
  PIPE_FORMAT_R8G8B8A8_SRGB         , array , 1, 1, u8  , u8  , u8  , u8  , xyzw, srgb 
  PIPE_FORMAT_R8G8B8X8_SRGB         , array , 1, 1, u8  , u8  , u8  , u8  , xyz1, srgb 
  PIPE_FORMAT_A8R8G8B8_SRGB         , array , 1, 1, u8  , u8  , u8  , u8  , yzwx, srgb 
  PIPE_FORMAT_X8R8G8B8_SRGB         , array , 1, 1, u8  , u8  , u8  , u8  , yzw1, srgb 
  PIPE_FORMAT_B8G8R8A8_SRGB         , array , 1, 1, u8  , u8  , u8  , u8  , zyxw, srgb 
  PIPE_FORMAT_B8G8R8X8_SRGB         , array , 1, 1, u8  , u8  , u8  , u8  , zyx1, srgb 
  
  # Signed formats (typically used for bump map textures)
  PIPE_FORMAT_A8B8G8R8_SNORM        , array , 1, 1, sn8 , sn8 , sn8 , sn8 , wzyx, rgb
  PIPE_FORMAT_X8B8G8R8_SNORM        , array , 1, 1, sn8 , sn8 , sn8 , sn8 , wzy1, rgb
  PIPE_FORMAT_X8UB8UG8SR8S_NORM     , arith , 1, 1, sn8 , sn8 , un8 , x8  , wzy1, rgb
  PIPE_FORMAT_B6UG5SR5S_NORM        , arith , 1, 1, sn5 , sn5 , un6 ,     , xyz1, rgb
  
  # Depth-stencil formats
  PIPE_FORMAT_S8_UNORM              , array , 1, 1, un8 ,     ,     ,     , _x__, zs 
  PIPE_FORMAT_Z16_UNORM             , array , 1, 1, un16,     ,     ,     , x___, zs 
  PIPE_FORMAT_Z32_UNORM             , array , 1, 1, un32,     ,     ,     , x___, zs 
  PIPE_FORMAT_Z32_FLOAT             , array , 1, 1, f32 ,     ,     ,     , x___, zs 
  