On 01.09.2011 17:02, Younes Manton wrote: > On Thu, Sep 1, 2011 at 10:56 AM, Michel Dänzer <mic...@daenzer.net> wrote: >> On Don, 2011-09-01 at 15:50 +0200, Christian König wrote: >>> Start with correctly defining IA44 and AI44 formats. >>> >>> Signed-off-by: Christian König <deathsim...@vodafone.de> >>> --- >>> src/gallium/auxiliary/util/u_format.csv | 6 +++- >>> src/gallium/auxiliary/util/u_format_yuv.c | 38 >>> --------------------------- >>> src/gallium/auxiliary/util/u_format_yuv.h | 40 >>> ----------------------------- >>> 3 files changed, 4 insertions(+), 80 deletions(-) >>> >>> diff --git a/src/gallium/auxiliary/util/u_format.csv >>> b/src/gallium/auxiliary/util/u_format.csv >>> index a3d2aae..b1a85a5 100644 >>> --- a/src/gallium/auxiliary/util/u_format.csv >>> +++ b/src/gallium/auxiliary/util/u_format.csv >>> @@ -265,5 +265,7 @@ PIPE_FORMAT_YV16 , other, 1, 1, x8 , >>> x8 , x8 , x8 , xyzw, y >>> PIPE_FORMAT_IYUV , other, 1, 1, x8 , x8 , x8 , x8 , >>> xyzw, yuv >>> PIPE_FORMAT_NV12 , other, 1, 1, x8 , x8 , x8 , x8 , >>> xyzw, yuv >>> PIPE_FORMAT_NV21 , other, 1, 1, x8 , x8 , x8 , x8 , >>> xyzw, yuv >>> -PIPE_FORMAT_IA44 , other, 1, 1, x8 , x8 , x8 , x8 , >>> xyzw, yuv >>> -PIPE_FORMAT_AI44 , other, 1, 1, x8 , x8 , x8 , x8 , >>> xyzw, yuv >>> + >>> +# Indexed with Alpha >>> +PIPE_FORMAT_IA44 , plain, 1, 1, un4 , un4 , , , >>> y00x, rgb >>> +PIPE_FORMAT_AI44 , plain, 1, 1, un4 , un4 , , , >>> x00y, rgb >> I think the 'I' stands for 'intensity', not 'indexed'? Same issue in >> patch 4. >> >> I didn't notice any other issues in the patches. > It's an index actually, 4 bits, into a 16-entry palette. I'm curious, where is this palette ? I don't see it in the gallium interface ...
And if you have to explicitly look it up in the shader, then this is just R4_UINT_A4_UNORM (or even just R4A4_UNORM). For me, "indexed" implies that the texture unit performs the lookup implicitly. > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev > _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
