================ @@ -0,0 +1,44 @@ +//===- HLSLRootSignature.h - HLSL Root Signature helper objects -----------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +/// +/// \file This file contains helper objects for working with HLSL Root +/// Signatures. +/// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_FRONTEND_HLSL_HLSLROOTSIGNATURE_H +#define LLVM_FRONTEND_HLSL_HLSLROOTSIGNATURE_H + +#include "llvm/Support/DXILABI.h" +#include <variant> + +namespace llvm { +namespace hlsl { +namespace rootsig { + +// Definitions of the in-memory data layout structures + +// Models the end of a descriptor table and stores its visibility +struct DescriptorTable { + uint32_t NumClauses = 0; // The number of clauses in the table +}; + +// Models DTClause : CBV | SRV | UAV | Sampler, by collecting like parameters +using ClauseType = llvm::dxil::ResourceClass; +struct DescriptorTableClause { + ClauseType Type; +}; + +// Models RootElement : DescriptorTable | DescriptorTableClause +using RootElement = std::variant<DescriptorTable, DescriptorTableClause>; ---------------- joaosaffran wrote:
I feel like the `DescriptorTableClause` should be a member of `DescriptorTable` and not a RootElement, since those are connected in the metadata representation, it should be easier that way, IMHO. https://github.com/llvm/llvm-project/pull/133302 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
