1 | //===-- DXILABI.h - ABI Sensitive Values for DXIL ---------------*- C++ -*-===// |
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 | // This file contains definitions of various constants and enums that are |
10 | // required to remain stable as per the DXIL format's requirements. |
11 | // |
12 | // Documentation for DXIL can be found in |
13 | // https://github.com/Microsoft/DirectXShaderCompiler/blob/main/docs/DXIL.rst. |
14 | // |
15 | //===----------------------------------------------------------------------===// |
16 | |
17 | #ifndef LLVM_SUPPORT_DXILABI_H |
18 | #define LLVM_SUPPORT_DXILABI_H |
19 | |
20 | #include "llvm/ADT/StringSwitch.h" |
21 | |
22 | namespace llvm { |
23 | namespace dxil { |
24 | |
25 | enum class ParameterKind : uint8_t { |
26 | Invalid = 0, |
27 | Void, |
28 | Half, |
29 | Float, |
30 | Double, |
31 | I1, |
32 | I8, |
33 | I16, |
34 | I32, |
35 | I64, |
36 | Overload, |
37 | CBufferRet, |
38 | ResourceRet, |
39 | DXILHandle, |
40 | }; |
41 | |
42 | /// The kind of resource for an SRV or UAV resource. Sometimes referred to as |
43 | /// "Shape" in the DXIL docs. |
44 | enum class ResourceKind : uint32_t { |
45 | Invalid = 0, |
46 | Texture1D, |
47 | Texture2D, |
48 | Texture2DMS, |
49 | Texture3D, |
50 | TextureCube, |
51 | Texture1DArray, |
52 | Texture2DArray, |
53 | Texture2DMSArray, |
54 | TextureCubeArray, |
55 | TypedBuffer, |
56 | RawBuffer, |
57 | StructuredBuffer, |
58 | CBuffer, |
59 | Sampler, |
60 | TBuffer, |
61 | RTAccelerationStructure, |
62 | FeedbackTexture2D, |
63 | FeedbackTexture2DArray, |
64 | NumEntries, |
65 | }; |
66 | |
67 | /// The element type of an SRV or UAV resource. |
68 | enum class ElementType : uint32_t { |
69 | Invalid = 0, |
70 | I1, |
71 | I16, |
72 | U16, |
73 | I32, |
74 | U32, |
75 | I64, |
76 | U64, |
77 | F16, |
78 | F32, |
79 | F64, |
80 | SNormF16, |
81 | UNormF16, |
82 | SNormF32, |
83 | UNormF32, |
84 | SNormF64, |
85 | UNormF64, |
86 | PackedS8x32, |
87 | PackedU8x32, |
88 | }; |
89 | |
90 | } // namespace dxil |
91 | } // namespace llvm |
92 | |
93 | #endif // LLVM_SUPPORT_DXILABI_H |
94 | |