//===- HLSLResource.h - HLSL Resource 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 Resources. /// //===----------------------------------------------------------------------===// #ifndef LLVM_FRONTEND_HLSL_HLSLRESOURCE_H #define LLVM_FRONTEND_HLSL_HLSLRESOURCE_H #include "llvm/IR/Metadata.h" #include "llvm/Support/DXILABI.h" namespace llvm { class GlobalVariable; namespace hlsl { enum class ResourceClass : uint8_t { SRV = 0, UAV, CBuffer, Sampler, Invalid, NumClasses = Invalid, }; // For now we use DXIL ABI enum values directly. This may change in the future. using dxil::ElementType; using dxil::ResourceKind; class FrontendResource { MDNode *Entry; public: FrontendResource(MDNode *E) : Entry(E) { assert(Entry->getNumOperands() == 6 && "Unexpected metadata shape"); } FrontendResource(GlobalVariable *GV, ResourceKind RK, ElementType ElTy, bool IsROV, uint32_t ResIndex, uint32_t Space); GlobalVariable *getGlobalVariable(); StringRef getSourceType(); ResourceKind getResourceKind(); ElementType getElementType(); bool getIsROV(); uint32_t getResourceIndex(); uint32_t getSpace(); MDNode *getMetadata() { return Entry; } }; } // namespace hlsl } // namespace llvm #endif // LLVM_FRONTEND_HLSL_HLSLRESOURCE_H