[FFmpeg-devel] [PATCH 2/3] libswscale: add output support for AV_PIX_FMT_GBRAPF32

[Carl Eugen Hoyos]

Am So., 3. Mai 2020 um 11:08 Uhr schrieb Mark Reid <mindmark at gmail.com>:

> lt appears the mips test where only failing on the alpha channel formats.
> it seems to because of a planefill function I missed implementing.  I've
> fixed it and the same test results work both on mips and x86, so I don't
> think this is hardware floating point rounding error.

It sounds very unlikely that you can do a bitexact test to compare the
output of floating point operations.
This could only work if you are using soft-float algorithms but I assume
that there would be  a performance penalty.

Carl Eugen