On Wed, May 18, 2016 at 6:00 PM, Kenneth Graunke <kenn...@whitecape.org> wrote: > The original value might have been swizzled. That's taken care of in > the fmul source - we don't want to reswizzle it again. > > Fixes validation failures in glsl-derivs-varyings on a branch of mine > which uses this pass in i965. > > Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
Reviewed-by: Rob Clark <robdcl...@gmail.com> > --- > src/compiler/nir/nir_lower_wpos_ytransform.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/src/compiler/nir/nir_lower_wpos_ytransform.c > b/src/compiler/nir/nir_lower_wpos_ytransform.c > index 5546788..41f8554 100644 > --- a/src/compiler/nir/nir_lower_wpos_ytransform.c > +++ b/src/compiler/nir/nir_lower_wpos_ytransform.c > @@ -252,6 +252,9 @@ lower_fddy(lower_wpos_ytransform_state *state, > nir_alu_instr *fddy) > nir_instr_rewrite_src(&fddy->instr, > &fddy->src[0].src, > nir_src_for_ssa(pt)); > + > + for (unsigned i = 0; i < 4; i++) > + fddy->src[0].swizzle[i] = MIN2(i, pt->num_components - 1); > } > > static bool > -- > 2.8.2 > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/mesa-dev _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
