xref: /llvm-project/llvm/include/llvm/Frontend/HLSL/HLSLResource.h (revision 2c435b80a1b85e00cedce13bad29d3c0a4a69189)
1 //===- HLSLResource.h - HLSL Resource helper objects ----------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 ///
9 /// \file This file contains helper objects for working with HLSL Resources.
10 ///
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_FRONTEND_HLSL_HLSLRESOURCE_H
14 #define LLVM_FRONTEND_HLSL_HLSLRESOURCE_H
15 
16 #include "llvm/ADT/StringRef.h"
17 #include "llvm/Support/DXILABI.h"
18 
19 namespace llvm {
20 class GlobalVariable;
21 class MDNode;
22 
23 namespace hlsl {
24 
25 // For now we use DXIL ABI enum values directly. This may change in the future.
26 using dxil::ResourceClass;
27 using dxil::ElementType;
28 using dxil::ResourceKind;
29 
30 class FrontendResource {
31   MDNode *Entry;
32 
33 public:
34   FrontendResource(MDNode *E);
35   FrontendResource(GlobalVariable *GV, ResourceKind RK, ElementType ElTy,
36                    bool IsROV, uint32_t ResIndex, uint32_t Space);
37 
38   GlobalVariable *getGlobalVariable();
39   StringRef getSourceType();
40   ResourceKind getResourceKind();
41   ElementType getElementType();
42   bool getIsROV();
43   uint32_t getResourceIndex();
44   uint32_t getSpace();
45   MDNode *getMetadata() { return Entry; }
46 };
47 } // namespace hlsl
48 } // namespace llvm
49 
50 #endif // LLVM_FRONTEND_HLSL_HLSLRESOURCE_H
51