On Tue, 2015-06-30 at 11:53 -0700, Jason Ekstrand wrote: > On Fri, Jun 26, 2015 at 1:06 AM, Eduardo Lima Mitev <el...@igalia.com> wrote: > > From: Iago Toral Quiroga <ito...@igalia.com> > > > > For the indirect case we need to take the index delivered by > > NIR and compute the parent uniform that we are accessing (the one > > that we uploaded to a surface) and the constant offset into that > > surface. > > > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89580 > > --- > > src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 27 +++++++++++++++++++++++++-- > > 1 file changed, 25 insertions(+), 2 deletions(-) > > > > diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp > > b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp > > index 3fa8ca8..9a0ae25 100644 > > --- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp > > +++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp > > @@ -569,10 +569,33 @@ vec4_visitor::nir_emit_intrinsic(nir_intrinsic_instr > > *instr) > > } > > > > case nir_intrinsic_load_uniform_indirect: > > + has_indirect = true; > > /* fallthrough */ > > - case nir_intrinsic_load_uniform: > > - /* @TODO: Not yet implemented */ > > + case nir_intrinsic_load_uniform: { > > + int index = instr->const_index[0]; > > + int uniform = nir_uniform_offset[index]; > > Again, I don't know that this indirection is really needed. We should > make nir_lower_io just do the right thing for you here.
Ok, I'll see what kind of changes we need to achieve that. Iago > > + dest = get_nir_dest(instr->dest); > > + > > + if (has_indirect) { > > + /* Split addressing into uniform and offset */ > > + int offset = index - nir_uniform_driver_location[uniform]; > > + assert(offset >= 0); > > + > > + uniform -= offset; > > + assert(uniform >= 0); > > + > > + src = src_reg(dst_reg(UNIFORM, uniform)); > > + src.reg_offset = offset; > > + src_reg tmp = get_nir_src(instr->src[0], BRW_REGISTER_TYPE_D); > > + src.reladdr = new(mem_ctx) src_reg(tmp); > > + } else { > > + src = src_reg(dst_reg(UNIFORM, uniform)); > > + } > > + > > + emit(MOV(dest, src)); > > break; > > + } > > > > case nir_intrinsic_atomic_counter_read: > > case nir_intrinsic_atomic_counter_inc: > > -- > > 2.1.4 > > > > _______________________________________________ > > mesa-dev mailing list > > mesa-dev@lists.freedesktop.org > > http://lists.freedesktop.org/mailman/listinfo/mesa-dev > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev