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| Rev | Author | Line No. | Line | 
|---|---|---|---|
| 14 | pmbaty | 1 | //===- HLSLRuntime.h - HLSL Runtime -----------------------------*- 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 | /// \file | ||
| 10 | /// Defines helper utilities for supporting the HLSL runtime environment. | ||
| 11 | // | ||
| 12 | //===----------------------------------------------------------------------===// | ||
| 13 | |||
| 14 | #ifndef CLANG_BASIC_HLSLRUNTIME_H | ||
| 15 | #define CLANG_BASIC_HLSLRUNTIME_H | ||
| 16 | |||
| 17 | #include "clang/Basic/LangOptions.h" | ||
| 18 | #include <cstdint> | ||
| 19 | |||
| 20 | namespace clang { | ||
| 21 | namespace hlsl { | ||
| 22 | |||
| 23 | constexpr ShaderStage | ||
| 24 | getStageFromEnvironment(const llvm::Triple::EnvironmentType &E) { | ||
| 25 | uint32_t Pipeline = | ||
| 26 | static_cast<uint32_t>(E) - static_cast<uint32_t>(llvm::Triple::Pixel); | ||
| 27 | |||
| 28 | if (Pipeline > (uint32_t)ShaderStage::Invalid) | ||
| 29 | return ShaderStage::Invalid; | ||
| 30 | return static_cast<ShaderStage>(Pipeline); | ||
| 31 | } | ||
| 32 | |||
| 33 | #define ENUM_COMPARE_ASSERT(Value)                                             \ | ||
| 34 |   static_assert(                                                               \ | ||
| 35 |       getStageFromEnvironment(llvm::Triple::Value) == ShaderStage::Value,      \ | ||
| 36 |       "Mismatch between llvm::Triple and clang::ShaderStage for " #Value); | ||
| 37 | |||
| 38 | ENUM_COMPARE_ASSERT(Pixel) | ||
| 39 | ENUM_COMPARE_ASSERT(Vertex) | ||
| 40 | ENUM_COMPARE_ASSERT(Geometry) | ||
| 41 | ENUM_COMPARE_ASSERT(Hull) | ||
| 42 | ENUM_COMPARE_ASSERT(Domain) | ||
| 43 | ENUM_COMPARE_ASSERT(Compute) | ||
| 44 | ENUM_COMPARE_ASSERT(Library) | ||
| 45 | ENUM_COMPARE_ASSERT(RayGeneration) | ||
| 46 | ENUM_COMPARE_ASSERT(Intersection) | ||
| 47 | ENUM_COMPARE_ASSERT(AnyHit) | ||
| 48 | ENUM_COMPARE_ASSERT(ClosestHit) | ||
| 49 | ENUM_COMPARE_ASSERT(Miss) | ||
| 50 | ENUM_COMPARE_ASSERT(Callable) | ||
| 51 | ENUM_COMPARE_ASSERT(Mesh) | ||
| 52 | ENUM_COMPARE_ASSERT(Amplification) | ||
| 53 | |||
| 54 | static_assert(getStageFromEnvironment(llvm::Triple::UnknownEnvironment) == | ||
| 55 | ShaderStage::Invalid, | ||
| 56 |               "Mismatch between llvm::Triple and " | ||
| 57 | "clang::ShaderStage for Invalid"); | ||
| 58 | static_assert(getStageFromEnvironment(llvm::Triple::MSVC) == | ||
| 59 | ShaderStage::Invalid, | ||
| 60 |               "Mismatch between llvm::Triple and " | ||
| 61 | "clang::ShaderStage for Invalid"); | ||
| 62 | |||
| 63 | } // namespace hlsl | ||
| 64 | } // namespace clang | ||
| 65 | |||
| 66 | #endif // CLANG_BASIC_HLSLRUNTIME_H |