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#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- HLSLRuntime.h - HLSL Runtime -----------------------------*- C++ -*-===//
//
// 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
/// Defines helper utilities for supporting the HLSL runtime environment.
//
//===----------------------------------------------------------------------===//
#ifndef CLANG_BASIC_HLSLRUNTIME_H
#define CLANG_BASIC_HLSLRUNTIME_H
#include "clang/Basic/LangOptions.h"
#include <cstdint>
namespace clang {
namespace hlsl {
constexpr ShaderStage
getStageFromEnvironment(const llvm::Triple::EnvironmentType &E) {
uint32_t Pipeline =
static_cast<uint32_t>(E) - static_cast<uint32_t>(llvm::Triple::Pixel);
if (Pipeline > (uint32_t)ShaderStage::Invalid)
return ShaderStage::Invalid;
return static_cast<ShaderStage>(Pipeline);
}
#define ENUM_COMPARE_ASSERT(Value) \
static_assert( \
getStageFromEnvironment(llvm::Triple::Value) == ShaderStage::Value, \
"Mismatch between llvm::Triple and clang::ShaderStage for " #Value);
ENUM_COMPARE_ASSERT(Pixel)
ENUM_COMPARE_ASSERT(Vertex)
ENUM_COMPARE_ASSERT(Geometry)
ENUM_COMPARE_ASSERT(Hull)
ENUM_COMPARE_ASSERT(Domain)
ENUM_COMPARE_ASSERT(Compute)
ENUM_COMPARE_ASSERT(Library)
ENUM_COMPARE_ASSERT(RayGeneration)
ENUM_COMPARE_ASSERT(Intersection)
ENUM_COMPARE_ASSERT(AnyHit)
ENUM_COMPARE_ASSERT(ClosestHit)
ENUM_COMPARE_ASSERT(Miss)
ENUM_COMPARE_ASSERT(Callable)
ENUM_COMPARE_ASSERT(Mesh)
ENUM_COMPARE_ASSERT(Amplification)
static_assert(getStageFromEnvironment(llvm::Triple::UnknownEnvironment) ==
ShaderStage::Invalid,
"Mismatch between llvm::Triple and "
"clang::ShaderStage for Invalid");
static_assert(getStageFromEnvironment(llvm::Triple::MSVC) ==
ShaderStage::Invalid,
"Mismatch between llvm::Triple and "
"clang::ShaderStage for Invalid");
} // namespace hlsl
} // namespace clang
#endif // CLANG_BASIC_HLSLRUNTIME_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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