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#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- HLSLResource.h - HLSL Resource helper objects ----------------------===//
//
// 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 This file contains helper objects for working with HLSL Resources.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_FRONTEND_HLSL_HLSLRESOURCE_H
#define LLVM_FRONTEND_HLSL_HLSLRESOURCE_H
#include "llvm/IR/Metadata.h"
namespace llvm {
class GlobalVariable;
namespace hlsl {
enum class ResourceClass : uint8_t {
SRV = 0,
UAV,
CBuffer,
Sampler,
Invalid,
NumClasses = Invalid,
};
// The value ordering of this enumeration is part of the DXIL ABI. Elements
// can only be added to the end, and not removed.
enum class ResourceKind : uint32_t {
Invalid = 0,
Texture1D,
Texture2D,
Texture2DMS,
Texture3D,
TextureCube,
Texture1DArray,
Texture2DArray,
Texture2DMSArray,
TextureCubeArray,
TypedBuffer,
RawBuffer,
StructuredBuffer,
CBuffer,
Sampler,
TBuffer,
RTAccelerationStructure,
FeedbackTexture2D,
FeedbackTexture2DArray,
NumEntries,
};
// The value ordering of this enumeration is part of the DXIL ABI. Elements
// can only be added to the end, and not removed.
enum class ElementType : uint32_t {
Invalid = 0,
I1,
I16,
U16,
I32,
U32,
I64,
U64,
F16,
F32,
F64,
SNormF16,
UNormF16,
SNormF32,
UNormF32,
SNormF64,
UNormF64,
PackedS8x32,
PackedU8x32,
};
class FrontendResource {
MDNode *Entry;
public:
FrontendResource(MDNode *E) : Entry(E) {
assert(Entry->getNumOperands() == 6 && "Unexpected metadata shape");
}
FrontendResource(GlobalVariable *GV, ResourceKind RK, ElementType ElTy,
bool IsROV, uint32_t ResIndex, uint32_t Space);
GlobalVariable *getGlobalVariable();
StringRef getSourceType();
ResourceKind getResourceKind();
ElementType getElementType();
bool getIsROV();
uint32_t getResourceIndex();
uint32_t getSpace();
MDNode *getMetadata() { return Entry; }
};
} // namespace hlsl
} // namespace llvm
#endif // LLVM_FRONTEND_HLSL_HLSLRESOURCE_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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