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nir: Support deref instructions in lower_clamp_color_outputs 

Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Acked-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Jason Ekstrand 2018-03-26 17:20:12 -07:00
parent 076b6627c2
commit 932c6577a0
1 changed files with 6 additions and 4 deletions
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10
src/compiler/nir/nir_lower_clamp_color_outputs.c
View File

@ -70,6 +70,9 @@ lower_intrinsic(lower_state *state, nir_intrinsic_instr *intr)
case nir_intrinsic_store_var:
out = intr->variables[0]->var;
break;
case nir_intrinsic_store_deref:
out = nir_deref_instr_get_variable(nir_src_as_deref(intr->src[0]));
break;
case nir_intrinsic_store_output:
/* already had i/o lowered.. lookup the matching output var: */
nir_foreach_variable(var, &state->shader->outputs) {
@ -90,9 +93,10 @@ lower_intrinsic(lower_state *state, nir_intrinsic_instr *intr)
if (is_color_output(state, out)) {
b->cursor = nir_before_instr(&intr->instr);
s = nir_ssa_for_src(b, intr->src[0], intr->num_components);
int src = intr->intrinsic == nir_intrinsic_store_deref ? 1 : 0;
s = nir_ssa_for_src(b, intr->src[src], intr->num_components);
s = nir_fsat(b, s);
nir_instr_rewrite_src(&intr->instr, &intr->src[0], nir_src_for_ssa(s));
nir_instr_rewrite_src(&intr->instr, &intr->src[src], nir_src_for_ssa(s));
}
return true;
@ -134,8 +138,6 @@ nir_lower_clamp_color_outputs(nir_shader *shader)
.shader = shader,
};
nir_assert_lowered_derefs(shader, nir_lower_load_store_derefs);
nir_foreach_function(function, shader) {
if (function->impl)
progress |= lower_impl(&state, function->impl);