[Mesa-dev] [PATCH 1/3] st/mesa: fix GLSL mix(.., .., bvecN)

[Matt Turner]

On Wed, Sep 25, 2013 at 10:48 AM, Marek Olšák <maraeo at gmail.com> wrote:
> It's more of a question of what the GLSL compiler did before the
> introduction of ir_triop_csel. I guess it used LRP.

It used conditional assignments for the boolean-selector versions (see
fd183fa02c4) and LRP for the others.