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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- HLSLResource.h - HLSL Resource helper objects ----------------------===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | /// |
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| 9 | /// \file This file contains helper objects for working with HLSL Resources. |
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| 10 | /// |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |||
| 13 | #ifndef LLVM_FRONTEND_HLSL_HLSLRESOURCE_H |
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| 14 | #define LLVM_FRONTEND_HLSL_HLSLRESOURCE_H |
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| 15 | |||
| 16 | #include "llvm/IR/Metadata.h" |
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| 17 | |||
| 18 | namespace llvm { |
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| 19 | class GlobalVariable; |
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| 20 | |||
| 21 | namespace hlsl { |
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| 22 | |||
| 23 | enum class ResourceClass : uint8_t { |
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| 24 | SRV = 0, |
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| 25 | UAV, |
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| 26 | CBuffer, |
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| 27 | Sampler, |
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| 28 | Invalid, |
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| 29 | NumClasses = Invalid, |
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| 30 | }; |
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| 31 | |||
| 32 | // The value ordering of this enumeration is part of the DXIL ABI. Elements |
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| 33 | // can only be added to the end, and not removed. |
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| 34 | enum class ResourceKind : uint32_t { |
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| 35 | Invalid = 0, |
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| 36 | Texture1D, |
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| 37 | Texture2D, |
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| 38 | Texture2DMS, |
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| 39 | Texture3D, |
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| 40 | TextureCube, |
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| 41 | Texture1DArray, |
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| 42 | Texture2DArray, |
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| 43 | Texture2DMSArray, |
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| 44 | TextureCubeArray, |
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| 45 | TypedBuffer, |
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| 46 | RawBuffer, |
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| 47 | StructuredBuffer, |
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| 48 | CBuffer, |
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| 49 | Sampler, |
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| 50 | TBuffer, |
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| 51 | RTAccelerationStructure, |
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| 52 | FeedbackTexture2D, |
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| 53 | FeedbackTexture2DArray, |
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| 54 | NumEntries, |
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| 55 | }; |
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| 56 | |||
| 57 | class FrontendResource { |
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| 58 | MDNode *Entry; |
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| 59 | |||
| 60 | public: |
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| 61 | FrontendResource(MDNode *E) : Entry(E) { |
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| 62 | assert(Entry->getNumOperands() == 5 && "Unexpected metadata shape"); |
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| 63 | } |
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| 64 | |||
| 65 | FrontendResource(GlobalVariable *GV, StringRef TypeStr, ResourceKind RK, |
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| 66 | uint32_t ResIndex, uint32_t Space); |
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| 67 | |||
| 68 | GlobalVariable *getGlobalVariable(); |
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| 69 | StringRef getSourceType(); |
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| 70 | uint32_t getResourceKind(); |
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| 71 | uint32_t getResourceIndex(); |
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| 72 | uint32_t getSpace(); |
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| 73 | MDNode *getMetadata() { return Entry; } |
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| 74 | }; |
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| 75 | } // namespace hlsl |
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| 76 | } // namespace llvm |
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| 77 | |||
| 78 | #endif // LLVM_FRONTEND_HLSL_HLSLRESOURCE_H |