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spirv: Handle any bit size in vector_insert/extract

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This crops up both in the actual SPIR-V VectorInsert/Extract opcodes as
well as various places where we deal with vector derefs.

Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
This commit is contained in:
Jason Ekstrand 2018-12-14 10:54:08 -06:00 • committed by Jason Ekstrand
parent a392ddb781
commit 42b2f3e91f
3 changed files with 15 additions and 11 deletions
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10
src/compiler/spirv/spirv_to_nir.c
View file

@ -2913,13 +2913,19 @@ vtn_vector_insert(struct vtn_builder *b, nir_ssa_def *src, nir_ssa_def *insert,
return &vec->dest.dest.ssa; return &vec->dest.dest.ssa;
} }
static nir_ssa_def *
nir_ieq_imm(nir_builder *b, nir_ssa_def *x, uint64_t i)
{
return nir_ieq(b, x, nir_imm_intN_t(b, i, x->bit_size));
}
nir_ssa_def * nir_ssa_def *
vtn_vector_extract_dynamic(struct vtn_builder *b, nir_ssa_def *src, vtn_vector_extract_dynamic(struct vtn_builder *b, nir_ssa_def *src,
nir_ssa_def *index) nir_ssa_def *index)
{ {
nir_ssa_def *dest = vtn_vector_extract(b, src, 0); nir_ssa_def *dest = vtn_vector_extract(b, src, 0);
for (unsigned i = 1; i < src->num_components; i++) for (unsigned i = 1; i < src->num_components; i++)
dest = nir_bcsel(&b->nb, nir_ieq(&b->nb, index, nir_imm_int(&b->nb, i)), dest = nir_bcsel(&b->nb, nir_ieq_imm(&b->nb, index, i),
vtn_vector_extract(b, src, i), dest); vtn_vector_extract(b, src, i), dest);
return dest; return dest;
@ -2931,7 +2937,7 @@ vtn_vector_insert_dynamic(struct vtn_builder *b, nir_ssa_def *src,
{ {
nir_ssa_def *dest = vtn_vector_insert(b, src, insert, 0); nir_ssa_def *dest = vtn_vector_insert(b, src, insert, 0);
for (unsigned i = 1; i < src->num_components; i++) for (unsigned i = 1; i < src->num_components; i++)
dest = nir_bcsel(&b->nb, nir_ieq(&b->nb, index, nir_imm_int(&b->nb, i)), dest = nir_bcsel(&b->nb, nir_ieq_imm(&b->nb, index, i),
vtn_vector_insert(b, src, insert, i), dest); vtn_vector_insert(b, src, insert, i), dest);
return dest; return dest;

5
src/compiler/spirv/vtn_glsl450.c
View file

@ -882,10 +882,9 @@ handle_glsl450_interpolation(struct vtn_builder *b, enum GLSLstd450 opcode,
if (vec_array_deref) { if (vec_array_deref) {
assert(vec_deref); assert(vec_deref);
nir_const_value *const_index = nir_src_as_const_value(vec_deref->arr.index); if (nir_src_is_const(vec_deref->arr.index)) {
if (const_index) {
val->ssa->def = vtn_vector_extract(b, &intrin->dest.ssa, val->ssa->def = vtn_vector_extract(b, &intrin->dest.ssa,
const_index->u32[0]); nir_src_as_uint(vec_deref->arr.index));
} else { } else {
val->ssa->def = vtn_vector_extract_dynamic(b, &intrin->dest.ssa, val->ssa->def = vtn_vector_extract_dynamic(b, &intrin->dest.ssa,
vec_deref->arr.index.ssa); vec_deref->arr.index.ssa);

11
src/compiler/spirv/vtn_variables.c
View file

@ -511,9 +511,9 @@ vtn_local_load(struct vtn_builder *b, nir_deref_instr *src)
if (src_tail != src) { if (src_tail != src) {
val->type = src->type; val->type = src->type;
nir_const_value *const_index = nir_src_as_const_value(src->arr.index); if (nir_src_is_const(src->arr.index))
if (const_index) val->def = vtn_vector_extract(b, val->def,
val->def = vtn_vector_extract(b, val->def, const_index->u32[0]); nir_src_as_uint(src->arr.index));
else else
val->def = vtn_vector_extract_dynamic(b, val->def, src->arr.index.ssa); val->def = vtn_vector_extract_dynamic(b, val->def, src->arr.index.ssa);
} }
@ -531,10 +531,9 @@ vtn_local_store(struct vtn_builder *b, struct vtn_ssa_value *src,
struct vtn_ssa_value *val = vtn_create_ssa_value(b, dest_tail->type); struct vtn_ssa_value *val = vtn_create_ssa_value(b, dest_tail->type);
_vtn_local_load_store(b, true, dest_tail, val); _vtn_local_load_store(b, true, dest_tail, val);
nir_const_value *const_index = nir_src_as_const_value(dest->arr.index); if (nir_src_is_const(dest->arr.index))
if (const_index)
val->def = vtn_vector_insert(b, val->def, src->def, val->def = vtn_vector_insert(b, val->def, src->def,
const_index->u32[0]); nir_src_as_uint(dest->arr.index));
else else
val->def = vtn_vector_insert_dynamic(b, val->def, src->def, val->def = vtn_vector_insert_dynamic(b, val->def, src->def,
dest->arr.index.ssa); dest->arr.index.ssa);