[igt-dev] [PATCH 1/3] lib: Add halffloat implementation

Ville Syrjälä ville.syrjala at linux.intel.com
Wed Apr 24 20:19:06 UTC 2019


On Wed, Apr 24, 2019 at 10:05:28PM +0200, Daniel Vetter wrote:
> On Fri, Apr 05, 2019 at 01:14:03PM -0700, Kevin Strasser wrote:
> > Probe for and make an API available for tests to use f16c intrinsics to
> > generate needed fp16 pixel data.
> > 
> > Also import a pure c fp32 <-> fp16 conversion implementation from Mesa
> > 18.3.4, which will act as a fallback when f16c is unavailable.
> > 
> > rfc2:
> > - Change API to reduce number of function calls (Maarten)
> > 
> > v1:
> > - Move pragma so AVX code isn't emitted for fallbacks (Ville)
> > - Change edx to ecx (Ville)
> > 
> > Signed-off-by: Kevin Strasser <kevin.strasser at intel.com>
> > Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> btw this broke the build, and someone else got to fix it up for you:
> 
> commit 11e10bc575516c56978640fcc697c27f277c660a
> Author: Simon Ser <simon.ser at intel.com>
> Date:   Wed Apr 24 10:01:29 2019 +0300
> 
>     lib/igt_halffloat: fix compilation with Clang

Since when is building with clang a requirement?

-- 
Ville Syrjälä
Intel


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