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nir/spirv: Add basic support for Op[Group]MemberDecorate

This commit is contained in:
Jason Ekstrand 2015-07-01 14:17:24 -07:00
parent 682eb9489d
commit 7a749aa4ba
2 changed files with 32 additions and 15 deletions
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45
src/glsl/nir/spirv_to_nir.c
View File

@ -180,15 +180,21 @@ vtn_handle_extension(struct vtn_builder *b, SpvOp opcode,
static void
_foreach_decoration_helper(struct vtn_builder *b,
struct vtn_value *base_value,
int member,
struct vtn_value *value,
vtn_decoration_foreach_cb cb, void *data)
{
for (struct vtn_decoration *dec = value->decoration; dec; dec = dec->next) {
if (dec->member >= 0) {
assert(member == -1);
member = dec->member;
}
if (dec->group) {
assert(dec->group->value_type == vtn_value_type_decoration_group);
_foreach_decoration_helper(b, base_value, dec->group, cb, data);
_foreach_decoration_helper(b, base_value, member, dec->group, cb, data);
} else {
cb(b, base_value, dec, data);
cb(b, base_value, member, dec, data);
}
}
}
@ -203,24 +209,33 @@ void
vtn_foreach_decoration(struct vtn_builder *b, struct vtn_value *value,
vtn_decoration_foreach_cb cb, void *data)
{
_foreach_decoration_helper(b, value, value, cb, data);
_foreach_decoration_helper(b, value, -1, value, cb, data);
}
static void
vtn_handle_decoration(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
{
const uint32_t *w_end = w + count;
const uint32_t target = w[1];
w += 2;
int member = -1;
switch (opcode) {
case SpvOpDecorationGroup:
vtn_push_value(b, w[1], vtn_value_type_undef);
vtn_push_value(b, target, vtn_value_type_undef);
break;
case SpvOpMemberDecorate:
member = *(w++);
/* fallthrough */
case SpvOpDecorate: {
struct vtn_value *val = &b->values[w[1]];
struct vtn_value *val = &b->values[target];
struct vtn_decoration *dec = rzalloc(b, struct vtn_decoration);
dec->decoration = w[2];
dec->literals = &w[3];
dec->member = member;
dec->decoration = *(w++);
dec->literals = w;
/* Link into the list */
dec->next = val->decoration;
@ -228,13 +243,17 @@ vtn_handle_decoration(struct vtn_builder *b, SpvOp opcode,
break;
}
case SpvOpGroupMemberDecorate:
member = *(w++);
/* fallthrough */
case SpvOpGroupDecorate: {
struct vtn_value *group = &b->values[w[1]];
struct vtn_value *group = &b->values[target];
assert(group->value_type == vtn_value_type_decoration_group);
for (unsigned i = 2; i < count; i++) {
struct vtn_value *val = &b->values[w[i]];
for (; w < w_end; w++) {
struct vtn_value *val = &b->values[*w];
struct vtn_decoration *dec = rzalloc(b, struct vtn_decoration);
dec->member = member;
dec->group = group;
/* Link into the list */
@ -244,10 +263,6 @@ vtn_handle_decoration(struct vtn_builder *b, SpvOp opcode,
break;
}
case SpvOpGroupMemberDecorate:
assert(!"Bad instruction. Khronos Bug #13513");
break;
default:
unreachable("Unhandled opcode");
}
@ -432,7 +447,7 @@ vtn_handle_constant(struct vtn_builder *b, SpvOp opcode,
}
static void
var_decoration_cb(struct vtn_builder *b, struct vtn_value *val,
var_decoration_cb(struct vtn_builder *b, struct vtn_value *val, int member,
const struct vtn_decoration *dec, void *void_var)
{
assert(val->value_type == vtn_value_type_deref);

2
src/glsl/nir/spirv_to_nir_private.h
View File

@ -100,6 +100,7 @@ struct vtn_value {
struct vtn_decoration {
struct vtn_decoration *next;
int member; /* -1 if not a member decoration */
const uint32_t *literals;
struct vtn_value *group;
SpvDecoration decoration;
@ -168,6 +169,7 @@ struct vtn_ssa_value *vtn_ssa_value(struct vtn_builder *b, uint32_t value_id);
typedef void (*vtn_decoration_foreach_cb)(struct vtn_builder *,
struct vtn_value *,
int member,
const struct vtn_decoration *,
void *);