motiejus/zig
1
Fork 0
Code Releases Activity

SPIR-V: Function parameter generation

Browse Source
This commit is contained in:
Robin Voetter
2021-05-15 03:27:59 +02:00
parent 074cb9f1da
commit da0cc732ea
2 changed files with 16 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/codegen/spirv.zig
View File

@@ -57,6 +57,7 @@ pub const DeclGen = struct {
module: *Module,
spv: *SPIRVModule,
args: std.ArrayList(u32),
types: TypeMap,
decl: *Decl,
@@ -213,7 +214,17 @@ pub const DeclGen = struct {
prototype_id,
});
// TODO: Parameters
const params = tv.ty.fnParamLen();
var i: usize = 0;
try self.args.ensureCapacity(params);
while (i < params) : (i += 1) {
const param_type_id = self.types.get(tv.ty.fnParamType(i)).?;
const arg_result_id = self.spv.allocResultId();
try writeInstruction(&self.spv.fn_decls, .OpFunctionParameter, &[_]u32{ param_type_id, arg_result_id });
self.args.appendAssumeCapacity(arg_result_id);
}
// TODO: Body
try writeInstruction(&self.spv.fn_decls, .OpFunctionEnd, &[_]u32{});