[Mesa-dev] [PATCH 04/12] mesa/format_info: Add support for the BPTC layout

[Jason Ekstrand]

This looks fine to me.
Reviewed-by: Jason Ekstrand <jason.ekstrand at intel.com>


On Wed, Aug 6, 2014 at 9:27 AM, Neil Roberts <neil at linux.intel.com> wrote:

> Adds the ‘bptc’ layout to get_channel_bits. The channel bits for BPTC
> depend
> on the mode but as it only has to be an approximation we can set it to 4
> like
> for S3TC.
> ---
>  src/mesa/main/format_info.py | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/mesa/main/format_info.py b/src/mesa/main/format_info.py
> index a0eecd3..fc40dc4 100644
> --- a/src/mesa/main/format_info.py
> +++ b/src/mesa/main/format_info.py
> @@ -110,7 +110,7 @@ def get_channel_bits(fmat, chan_name):
>     if fmat.is_compressed():
>        # These values are pretty-much bogus, but OpenGL requires that we
>        # return an "approximate" number of bits.
> -      if fmat.layout == 's3tc':
> +      if fmat.layout in ('s3tc', 'bptc'):
>           return 4 if fmat.has_channel(chan_name) else 0
>        elif fmat.layout == 'fxt1':
>           if chan_name in 'rgb':
> --
> 1.9.3
>
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