//===--- HLSLRootSignature.def - Tokens and Enum Database -------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file defines the TokenKinds used in the Root Signature DSL. This
// includes keywords, enums and a small subset of punctuators. Users of this
// file must optionally #define the TOK, KEYWORD, ENUM or specific ENUM macros
// to make use of this file.
//
//===----------------------------------------------------------------------===//

#ifndef TOK
#define TOK(X, SPELLING)
#endif
#ifndef PUNCTUATOR
#define PUNCTUATOR(X,Y) TOK(pu_ ## X, Y)
#endif
#ifndef KEYWORD
#define KEYWORD(X) TOK(kw_ ## X, #X)
#endif
#ifndef ENUM
#define ENUM(NAME, LIT) TOK(en_ ## NAME, LIT)
#endif

// Defines the various types of enum
#ifndef ROOT_FLAG_ENUM
#define ROOT_FLAG_ENUM(NAME, LIT) ENUM(NAME, LIT)
#endif
#ifndef UNBOUNDED_ENUM
#define UNBOUNDED_ENUM(NAME, LIT) ENUM(NAME, LIT)
#endif
#ifndef DESCRIPTOR_RANGE_OFFSET_ENUM
#define DESCRIPTOR_RANGE_OFFSET_ENUM(NAME, LIT) ENUM(NAME, LIT)
#endif
#ifndef ROOT_DESCRIPTOR_FLAG_ENUM
#define ROOT_DESCRIPTOR_FLAG_ENUM(NAME, LIT) ENUM(NAME, LIT)
#endif
// Note: ON denotes that the flag is unique from the above Root Descriptor
//  Flags. This is required to avoid token kind enum conflicts.
#ifndef DESCRIPTOR_RANGE_FLAG_ENUM_OFF
#define DESCRIPTOR_RANGE_FLAG_ENUM_OFF(NAME, LIT)
#endif
#ifndef DESCRIPTOR_RANGE_FLAG_ENUM_ON
#define DESCRIPTOR_RANGE_FLAG_ENUM_ON(NAME, LIT) ENUM(NAME, LIT)
#endif
#ifndef DESCRIPTOR_RANGE_FLAG_ENUM
#define DESCRIPTOR_RANGE_FLAG_ENUM(NAME, LIT, ON) DESCRIPTOR_RANGE_FLAG_ENUM_##ON(NAME, LIT)
#endif
#ifndef SHADER_VISIBILITY_ENUM
#define SHADER_VISIBILITY_ENUM(NAME, LIT) ENUM(NAME, LIT)
#endif
#ifndef FILTER_ENUM
#define FILTER_ENUM(NAME, LIT) ENUM(NAME, LIT)
#endif
#ifndef TEXTURE_ADDRESS_MODE_ENUM
#define TEXTURE_ADDRESS_MODE_ENUM(NAME, LIT) ENUM(NAME, LIT)
#endif
#ifndef COMPARISON_FUNC_ENUM
#define COMPARISON_FUNC_ENUM(NAME, LIT) ENUM(NAME, LIT)
#endif
#ifndef STATIC_BORDER_COLOR_ENUM
#define STATIC_BORDER_COLOR_ENUM(NAME, LIT) ENUM(NAME, LIT)
#endif
#ifndef STATIC_SAMPLER_FLAG_ENUM
#define STATIC_SAMPLER_FLAG_ENUM(NAME, LIT) ENUM(NAME, LIT)
#endif

// General Tokens:
TOK(invalid, "invalid identifier")
TOK(end_of_stream, "end of stream")
TOK(int_literal, "integer literal")
TOK(float_literal, "float literal")

// Register Tokens:
TOK(bReg, "b register")
TOK(tReg, "t register")
TOK(uReg, "u register")
TOK(sReg, "s register")

// Punctuators:
PUNCTUATOR(l_paren, '(')
PUNCTUATOR(r_paren, ')')
PUNCTUATOR(comma,   ',')
PUNCTUATOR(or,      '|')
PUNCTUATOR(equal,   '=')
PUNCTUATOR(plus,    '+')
PUNCTUATOR(minus,   '-')

// RootElement Keywords:
KEYWORD(RootSignature) // used only for diagnostic messaging
KEYWORD(RootFlags)
KEYWORD(DescriptorTable)
KEYWORD(RootConstants)
KEYWORD(StaticSampler)

// RootConstants Keywords:
KEYWORD(num32BitConstants)

// DescriptorTable Keywords:
KEYWORD(CBV)
KEYWORD(SRV)
KEYWORD(UAV)
KEYWORD(Sampler)

// General Parameter Keywords:
KEYWORD(space)
KEYWORD(visibility)
KEYWORD(flags)

// View Parameter Keywords:
KEYWORD(numDescriptors)
KEYWORD(offset)

// StaticSampler Keywords:
KEYWORD(filter)
KEYWORD(mipLODBias)
KEYWORD(addressU)
KEYWORD(addressV)
KEYWORD(addressW)
KEYWORD(maxAnisotropy)
KEYWORD(comparisonFunc)
KEYWORD(borderColor)
KEYWORD(minLOD)
KEYWORD(maxLOD)

// Unbounded Enum:
UNBOUNDED_ENUM(unbounded, "unbounded")

// Descriptor Range Offset Enum:
DESCRIPTOR_RANGE_OFFSET_ENUM(DescriptorRangeOffsetAppend, "DESCRIPTOR_RANGE_OFFSET_APPEND")

// Root Flag Enums:
ROOT_FLAG_ENUM(AllowInputAssemblerInputLayout, "ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT")
ROOT_FLAG_ENUM(DenyVertexShaderRootAccess, "DENY_VERTEX_SHADER_ROOT_ACCESS")
ROOT_FLAG_ENUM(DenyHullShaderRootAccess, "DENY_HULL_SHADER_ROOT_ACCESS")
ROOT_FLAG_ENUM(DenyDomainShaderRootAccess, "DENY_DOMAIN_SHADER_ROOT_ACCESS")
ROOT_FLAG_ENUM(DenyGeometryShaderRootAccess, "DENY_GEOMETRY_SHADER_ROOT_ACCESS")
ROOT_FLAG_ENUM(DenyPixelShaderRootAccess, "DENY_PIXEL_SHADER_ROOT_ACCESS")
ROOT_FLAG_ENUM(DenyAmplificationShaderRootAccess, "DENY_AMPLIFICATION_SHADER_ROOT_ACCESS")
ROOT_FLAG_ENUM(DenyMeshShaderRootAccess, "DENY_MESH_SHADER_ROOT_ACCESS")
ROOT_FLAG_ENUM(AllowStreamOutput, "ALLOW_STREAM_OUTPUT")
ROOT_FLAG_ENUM(LocalRootSignature, "LOCAL_ROOT_SIGNATURE")
ROOT_FLAG_ENUM(CBVSRVUAVHeapDirectlyIndexed, "CBV_SRV_UAV_HEAP_DIRECTLY_INDEXED")
ROOT_FLAG_ENUM(SamplerHeapDirectlyIndexed , "SAMPLER_HEAP_DIRECTLY_INDEXED")

// Root Descriptor Flag Enums:
ROOT_DESCRIPTOR_FLAG_ENUM(DataVolatile, "DATA_VOLATILE")
ROOT_DESCRIPTOR_FLAG_ENUM(DataStaticWhileSetAtExecute, "DATA_STATIC_WHILE_SET_AT_EXECUTE")
ROOT_DESCRIPTOR_FLAG_ENUM(DataStatic, "DATA_STATIC")

// Descriptor Range Flag Enums:
DESCRIPTOR_RANGE_FLAG_ENUM(DescriptorsVolatile, "DESCRIPTORS_VOLATILE", ON)
DESCRIPTOR_RANGE_FLAG_ENUM(DataVolatile, "DATA_VOLATILE", OFF)
DESCRIPTOR_RANGE_FLAG_ENUM(DataStaticWhileSetAtExecute, "DATA_STATIC_WHILE_SET_AT_EXECUTE", OFF)
DESCRIPTOR_RANGE_FLAG_ENUM(DataStatic, "DATA_STATIC", OFF)
DESCRIPTOR_RANGE_FLAG_ENUM(DescriptorsStaticKeepingBufferBoundsChecks, "DESCRIPTORS_STATIC_KEEPING_BUFFER_BOUNDS_CHECKS", ON)

// Shader Visibiliy Enums:
SHADER_VISIBILITY_ENUM(All, "SHADER_VISIBILITY_ALL")
SHADER_VISIBILITY_ENUM(Vertex, "SHADER_VISIBILITY_VERTEX")
SHADER_VISIBILITY_ENUM(Hull, "SHADER_VISIBILITY_HULL")
SHADER_VISIBILITY_ENUM(Domain, "SHADER_VISIBILITY_DOMAIN")
SHADER_VISIBILITY_ENUM(Geometry, "SHADER_VISIBILITY_GEOMETRY")
SHADER_VISIBILITY_ENUM(Pixel, "SHADER_VISIBILITY_PIXEL")
SHADER_VISIBILITY_ENUM(Amplification, "SHADER_VISIBILITY_AMPLIFICATION")
SHADER_VISIBILITY_ENUM(Mesh, "SHADER_VISIBILITY_MESH")

// Filter Enums:
FILTER_ENUM(MinMagMipPoint, "FILTER_MIN_MAG_MIP_POINT")
FILTER_ENUM(MinMagPointMipLinear, "FILTER_MIN_MAG_POINT_MIP_LINEAR")
FILTER_ENUM(MinPointMagLinearMipPoint, "FILTER_MIN_POINT_MAG_LINEAR_MIP_POINT")
FILTER_ENUM(MinPointMagMipLinear, "FILTER_MIN_POINT_MAG_MIP_LINEAR")
FILTER_ENUM(MinLinearMagMipPoint, "FILTER_MIN_LINEAR_MAG_MIP_POINT")
FILTER_ENUM(MinLinearMagPointMipLinear, "FILTER_MIN_LINEAR_MAG_POINT_MIP_LINEAR")
FILTER_ENUM(MinMagLinearMipPoint, "FILTER_MIN_MAG_LINEAR_MIP_POINT")
FILTER_ENUM(MinMagMipLinear, "FILTER_MIN_MAG_MIP_LINEAR")
FILTER_ENUM(Anisotropic, "FILTER_ANISOTROPIC")
FILTER_ENUM(ComparisonMinMagMipPoint, "FILTER_COMPARISON_MIN_MAG_MIP_POINT")
FILTER_ENUM(ComparisonMinMagPointMipLinear, "FILTER_COMPARISON_MIN_MAG_POINT_MIP_LINEAR")
FILTER_ENUM(ComparisonMinPointMagLinearMipPoint, "FILTER_COMPARISON_MIN_POINT_MAG_LINEAR_MIP_POINT")
FILTER_ENUM(ComparisonMinPointMagMipLinear, "FILTER_COMPARISON_MIN_POINT_MAG_MIP_LINEAR")
FILTER_ENUM(ComparisonMinLinearMagMipPoint, "FILTER_COMPARISON_MIN_LINEAR_MAG_MIP_POINT")
FILTER_ENUM(ComparisonMinLinearMagPointMipLinear, "FILTER_COMPARISON_MIN_LINEAR_MAG_POINT_MIP_LINEAR")
FILTER_ENUM(ComparisonMinMagLinearMipPoint, "FILTER_COMPARISON_MIN_MAG_LINEAR_MIP_POINT")
FILTER_ENUM(ComparisonMinMagMipLinear, "FILTER_COMPARISON_MIN_MAG_MIP_LINEAR")
FILTER_ENUM(ComparisonAnisotropic, "FILTER_COMPARISON_ANISOTROPIC")
FILTER_ENUM(MinimumMinMagMipPoint, "FILTER_MINIMUM_MIN_MAG_MIP_POINT")
FILTER_ENUM(MinimumMinMagPointMipLinear, "FILTER_MINIMUM_MIN_MAG_POINT_MIP_LINEAR")
FILTER_ENUM(MinimumMinPointMagLinearMipPoint, "FILTER_MINIMUM_MIN_POINT_MAG_LINEAR_MIP_POINT")
FILTER_ENUM(MinimumMinPointMagMipLinear, "FILTER_MINIMUM_MIN_POINT_MAG_MIP_LINEAR")
FILTER_ENUM(MinimumMinLinearMagMipPoint, "FILTER_MINIMUM_MIN_LINEAR_MAG_MIP_POINT")
FILTER_ENUM(MinimumMinLinearMagPointMipLinear, "FILTER_MINIMUM_MIN_LINEAR_MAG_POINT_MIP_LINEAR")
FILTER_ENUM(MinimumMinMagLinearMipPoint, "FILTER_MINIMUM_MIN_MAG_LINEAR_MIP_POINT")
FILTER_ENUM(MinimumMinMagMipLinear, "FILTER_MINIMUM_MIN_MAG_MIP_LINEAR")
FILTER_ENUM(MinimumAnisotropic, "FILTER_MINIMUM_ANISOTROPIC")
FILTER_ENUM(MaximumMinMagMipPoint, "FILTER_MAXIMUM_MIN_MAG_MIP_POINT")
FILTER_ENUM(MaximumMinMagPointMipLinear, "FILTER_MAXIMUM_MIN_MAG_POINT_MIP_LINEAR")
FILTER_ENUM(MaximumMinPointMagLinearMipPoint, "FILTER_MAXIMUM_MIN_POINT_MAG_LINEAR_MIP_POINT")
FILTER_ENUM(MaximumMinPointMagMipLinear, "FILTER_MAXIMUM_MIN_POINT_MAG_MIP_LINEAR")
FILTER_ENUM(MaximumMinLinearMagMipPoint, "FILTER_MAXIMUM_MIN_LINEAR_MAG_MIP_POINT")
FILTER_ENUM(MaximumMinLinearMagPointMipLinear, "FILTER_MAXIMUM_MIN_LINEAR_MAG_POINT_MIP_LINEAR")
FILTER_ENUM(MaximumMinMagLinearMipPoint, "FILTER_MAXIMUM_MIN_MAG_LINEAR_MIP_POINT")
FILTER_ENUM(MaximumMinMagMipLinear, "FILTER_MAXIMUM_MIN_MAG_MIP_LINEAR")
FILTER_ENUM(MaximumAnisotropic, "FILTER_MAXIMUM_ANISOTROPIC")

// Texture Address Mode Enums:
TEXTURE_ADDRESS_MODE_ENUM(Wrap, "TEXTURE_ADDRESS_WRAP")
TEXTURE_ADDRESS_MODE_ENUM(Mirror, "TEXTURE_ADDRESS_MIRROR")
TEXTURE_ADDRESS_MODE_ENUM(Clamp, "TEXTURE_ADDRESS_CLAMP")
TEXTURE_ADDRESS_MODE_ENUM(Border, "TEXTURE_ADDRESS_BORDER")
TEXTURE_ADDRESS_MODE_ENUM(MirrorOnce, "TEXTURE_ADDRESS_MIRRORONCE")

// Comparison Func Enums:
COMPARISON_FUNC_ENUM(Never, "COMPARISON_NEVER")
COMPARISON_FUNC_ENUM(Less, "COMPARISON_LESS")
COMPARISON_FUNC_ENUM(Equal, "COMPARISON_EQUAL")
COMPARISON_FUNC_ENUM(LessEqual, "COMPARISON_LESS_EQUAL")
COMPARISON_FUNC_ENUM(Greater, "COMPARISON_GREATER")
COMPARISON_FUNC_ENUM(NotEqual, "COMPARISON_NOT_EQUAL")
COMPARISON_FUNC_ENUM(GreaterEqual, "COMPARISON_GREATER_EQUAL")
COMPARISON_FUNC_ENUM(Always, "COMPARISON_ALWAYS")

// Static Border Color Enums:
STATIC_BORDER_COLOR_ENUM(TransparentBlack, "STATIC_BORDER_COLOR_TRANSPARENT_BLACK")
STATIC_BORDER_COLOR_ENUM(OpaqueBlack, "STATIC_BORDER_COLOR_OPAQUE_BLACK")
STATIC_BORDER_COLOR_ENUM(OpaqueWhite, "STATIC_BORDER_COLOR_OPAQUE_WHITE")
STATIC_BORDER_COLOR_ENUM(OpaqueBlackUint, "STATIC_BORDER_COLOR_OPAQUE_BLACK_UINT")
STATIC_BORDER_COLOR_ENUM(OpaqueWhiteUint, "STATIC_BORDER_COLOR_OPAQUE_WHITE_UINT")

// Root Descriptor Flag Enums:
STATIC_SAMPLER_FLAG_ENUM(UintBorderColor, "UINT_BORDER_COLOR")
STATIC_SAMPLER_FLAG_ENUM(NonNormalizedCoordinates, "NON_NORMALIZED_COORDINATES")

#undef STATIC_BORDER_COLOR_ENUM
#undef COMPARISON_FUNC_ENUM
#undef TEXTURE_ADDRESS_MODE_ENUM
#undef FILTER_ENUM
#undef SHADER_VISIBILITY_ENUM
#undef DESCRIPTOR_RANGE_FLAG_ENUM
#undef DESCRIPTOR_RANGE_FLAG_ENUM_OFF
#undef DESCRIPTOR_RANGE_FLAG_ENUM_ON
#undef ROOT_DESCRIPTOR_FLAG_ENUM
#undef STATIC_SAMPLER_FLAG_ENUM
#undef ROOT_FLAG_ENUM
#undef DESCRIPTOR_RANGE_OFFSET_ENUM
#undef UNBOUNDED_ENUM
#undef ENUM
#undef KEYWORD
#undef PUNCTUATOR
#undef TOK
