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[qfcc] Emit struct member decorations

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They're not enough yet as offsets and strides need to be emitted.
This commit is contained in:
Bill Currie 2025-01-25 19:32:12 +09:00
parent 96375e870a
commit dcd2c565c1
1 changed files with 55 additions and 0 deletions
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55
tools/qfcc/source/target_spirv.c
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@ -270,6 +270,36 @@ spirv_DecorateLiteral (unsigned id, SpvDecoration decoration, void *literal,
}
}
static void
spirv_MemberDecorate (unsigned id, unsigned member,
SpvDecoration decoration, spirvctx_t *ctx)
{
auto decorations = ctx->module->decorations;
auto insn = spirv_new_insn (SpvOpMemberDecorate, 4, decorations);
INSN (insn, 1) = id;
INSN (insn, 2) = member;
INSN (insn, 3) = decoration;
}
static void
spirv_MemberDecorateLiteral (unsigned id, unsigned member,
SpvDecoration decoration,
void *literal, etype_t type, spirvctx_t *ctx)
{
if (type != ev_int) {
internal_error (0, "unexpected type");
}
int size = pr_type_size[type];
auto decorations = ctx->module->decorations;
auto insn = spirv_new_insn (SpvOpMemberDecorate, 4 + size, decorations);
INSN (insn, 1) = id;
INSN (insn, 2) = member;
INSN (insn, 3) = decoration;
if (type == ev_int) {
INSN (insn, 4) = *(int *)literal;
}
}
static void
spirv_decorate_id (unsigned id, attribute_t *attributes, spirvctx_t *ctx)
{
@ -292,6 +322,30 @@ spirv_decorate_id (unsigned id, attribute_t *attributes, spirvctx_t *ctx)
}
}
static void
spirv_member_decorate_id (unsigned id, int member, attribute_t *attributes,
spirvctx_t *ctx)
{
for (auto attr = attributes; attr; attr = attr->next) {
unsigned decoration = spirv_enum_val ("Decoration", attr->name);
if (attr->params) {
//FIXME some decorations have more than one parameter (rare)
int val;
if (is_string_val (attr->params)) {
//FIXME should get kind from decoration
const char *name = expr_string (attr->params);
val = spirv_enum_val (attr->name, name);
} else {
val = expr_integral (attr->params);
}
spirv_MemberDecorateLiteral (id, member, decoration,
&val, ev_int, ctx);
} else {
spirv_MemberDecorate (id, member, decoration, ctx);
}
}
}
static void
spirv_MemberName (unsigned id, unsigned member, const char *name,
spirvctx_t *ctx)
@ -408,6 +462,7 @@ spirv_TypeStruct (const type_t *type, spirvctx_t *ctx)
for (auto s = symtab->symbols; s; s = s->next) {
int m = num_members++;
spirv_MemberName (id, m, s->name, ctx);
spirv_member_decorate_id (id, m, s->attributes, ctx);
}
return id;
}