Reviewed-by: Marek Olšák <marek.ol...@amd.com> Marek
On Sat, Feb 27, 2016 at 5:21 PM, Ilia Mirkin <imir...@alum.mit.edu> wrote: > The OES extensions clarify this behaviour to differentiate between > per-sample invocation and per-sample interpolation. Using sampleid/pos > will force per-sample invocation but not per-sample interpolation. > > See https://www.khronos.org/bugzilla/show_bug.cgi?id=1462 > > Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu> > --- > src/mesa/state_tracker/st_atom_shader.c | 4 ---- > src/mesa/state_tracker/st_program.c | 4 ---- > 2 files changed, 8 deletions(-) > > diff --git a/src/mesa/state_tracker/st_atom_shader.c > b/src/mesa/state_tracker/st_atom_shader.c > index a88f035..f261ce3 100644 > --- a/src/mesa/state_tracker/st_atom_shader.c > +++ b/src/mesa/state_tracker/st_atom_shader.c > @@ -71,14 +71,10 @@ update_fp( struct st_context *st ) > st->ctx->Color._ClampFragmentColor; > > /* Don't set it if the driver can force the interpolation by itself. > - * If SAMPLE_ID or SAMPLE_POS are used, the interpolation is set > - * automatically. > * Ignore sample qualifier while computing this flag. > */ > key.persample_shading = > st->force_persample_in_shader && > - !(stfp->Base.Base.SystemValuesRead & (SYSTEM_BIT_SAMPLE_ID | > - SYSTEM_BIT_SAMPLE_POS)) && > _mesa_get_min_invocations_per_fragment(st->ctx, &stfp->Base, true) > 1; > > st->fp_variant = st_get_fp_variant(st, stfp, &key); > diff --git a/src/mesa/state_tracker/st_program.c > b/src/mesa/state_tracker/st_program.c > index 2e21d02..c9f390a 100644 > --- a/src/mesa/state_tracker/st_program.c > +++ b/src/mesa/state_tracker/st_program.c > @@ -573,10 +573,6 @@ st_translate_fragment_program(struct st_context *st, > else > interpLocation[slot] = TGSI_INTERPOLATE_LOC_CENTER; > > - if (stfp->Base.Base.SystemValuesRead & (SYSTEM_BIT_SAMPLE_ID | > - SYSTEM_BIT_SAMPLE_POS)) > - interpLocation[slot] = TGSI_INTERPOLATE_LOC_SAMPLE; > - > switch (attr) { > case VARYING_SLOT_POS: > input_semantic_name[slot] = TGSI_SEMANTIC_POSITION; > -- > 2.4.10 > > _______________________________________________ > 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
