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vc4: Use the intrinsic's first_component for vattr VPM index.

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Avoids another multiplication by 4 of the base in the NIR.
This commit is contained in:
Eric Anholt 2016-08-04 16:33:16 -07:00
parent cbf8c19410
commit f8fecc396a
2 changed files with 3 additions and 7 deletions
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4
src/gallium/drivers/vc4/vc4_nir_lower_io.c
View file

@ -196,8 +196,8 @@ vc4_nir_lower_vertex_attr(struct vc4_compile *c, nir_builder *b,
nir_intrinsic_instr_create(c->s,
nir_intrinsic_load_input);
intr_comp->num_components = 1;
nir_intrinsic_set_base(intr_comp,
nir_intrinsic_base(intr) * 4 + i);
nir_intrinsic_set_base(intr_comp, nir_intrinsic_base(intr));
nir_intrinsic_set_component(intr_comp, i);
intr_comp->src[0] = nir_src_for_ssa(nir_imm_int(b, 0));
nir_ssa_dest_init(&intr_comp->instr, &intr_comp->dest, 1, 32, NULL);
nir_builder_instr_insert(b, &intr_comp->instr);

6
src/gallium/drivers/vc4/vc4_program.c
View file

@ -1627,15 +1627,11 @@ ntq_emit_intrinsic(struct vc4_compile *c, nir_intrinsic_instr *instr)
}
ntq_store_dest(c, &instr->dest, 0,
c->color_reads[sample_index]);
} else if (c->stage == QSTAGE_FRAG) {
} else {
offset = nir_intrinsic_base(instr) + const_offset->u32[0];
int comp = nir_intrinsic_component(instr);
ntq_store_dest(c, &instr->dest, 0,
c->inputs[offset * 4 + comp]);
} else {
offset = nir_intrinsic_base(instr) + const_offset->u32[0];
ntq_store_dest(c, &instr->dest, 0,
c->inputs[offset]);
}
break;