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nir: Add _deref versions of all of the _var intrinsics

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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
2018-03-15 14:56:43 -07:00
parent de7f60b653
commit f1dc2088e2
4 changed files with 144 additions and 1 deletions
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37
src/compiler/nir/nir_builder.h
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@@ -650,6 +650,43 @@ nir_load_reg(nir_builder *build, nir_register *reg)
return nir_ssa_for_src(build, nir_src_for_reg(reg), reg->num_components);
}
static inline nir_ssa_def *
nir_load_deref(nir_builder *build, nir_deref_instr *deref)
{
nir_intrinsic_instr *load =
nir_intrinsic_instr_create(build->shader, nir_intrinsic_load_deref);
load->num_components = glsl_get_vector_elements(deref->type);
load->src[0] = nir_src_for_ssa(&deref->dest.ssa);
nir_ssa_dest_init(&load->instr, &load->dest, load->num_components,
glsl_get_bit_size(deref->type), NULL);
nir_builder_instr_insert(build, &load->instr);
return &load->dest.ssa;
}
static inline void
nir_store_deref(nir_builder *build, nir_deref_instr *deref,
nir_ssa_def *value, unsigned writemask)
{
nir_intrinsic_instr *store =
nir_intrinsic_instr_create(build->shader, nir_intrinsic_store_deref);
store->num_components = glsl_get_vector_elements(deref->type);
store->src[0] = nir_src_for_ssa(&deref->dest.ssa);
store->src[1] = nir_src_for_ssa(value);
nir_intrinsic_set_write_mask(store,
writemask & ((1 << store->num_components) - 1));
nir_builder_instr_insert(build, &store->instr);
}
static inline void
nir_copy_deref(nir_builder *build, nir_deref_instr *dest, nir_deref_instr *src)
{
nir_intrinsic_instr *copy =
nir_intrinsic_instr_create(build->shader, nir_intrinsic_copy_deref);
copy->src[0] = nir_src_for_ssa(&dest->dest.ssa);
copy->src[1] = nir_src_for_ssa(&src->dest.ssa);
nir_builder_instr_insert(build, &copy->instr);
}
static inline nir_ssa_def *
nir_load_var(nir_builder *build, nir_variable *var)
{