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spirv: emit ArrayStride for many-item pointers

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Robin Voetter 2024-11-02 18:58:21 +01:00
parent b16252b17e
commit 89bd987f1c
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1 changed files with 13 additions and 2 deletions
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15
src/codegen/spirv.zig
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@ -1639,7 +1639,11 @@ const NavGen = struct {
return try self.arrayType(1, elem_ty_id);
} else {
const result_id = try self.arrayType(total_len, elem_ty_id);
try self.spv.decorate(result_id, .{ .ArrayStride = .{ .array_stride = @intCast(elem_ty.abiSize(zcu)) } });
if (target.os.tag == .vulkan) {
try self.spv.decorate(result_id, .{ .ArrayStride = .{
.array_stride = @intCast(elem_ty.abiSize(zcu)),
} });
}
return result_id;
}
},
@ -1694,8 +1698,15 @@ const NavGen = struct {
.pointer => {
const ptr_info = ty.ptrInfo(zcu);
const child_ty = Type.fromInterned(ptr_info.child);
const storage_class = self.spvStorageClass(ptr_info.flags.address_space);
const ptr_ty_id = try self.ptrType(Type.fromInterned(ptr_info.child), storage_class);
const ptr_ty_id = try self.ptrType(child_ty, storage_class);
if (target.os.tag == .vulkan and ptr_info.flags.size == .Many) {
try self.spv.decorate(ptr_ty_id, .{ .ArrayStride = .{
.array_stride = @intCast(child_ty.abiSize(zcu)),
} });
}
if (ptr_info.flags.size != .Slice) {
return ptr_ty_id;