protot/3rdparty/bgfx/src/shader_spirv.cpp

1216 lines
50 KiB
C++

/*
* Copyright 2011-2017 Branimir Karadzic. All rights reserved.
* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
*/
#include "bgfx_p.h"
#include "shader_spirv.h"
namespace bgfx
{
#define SPV_OPERAND_1(_a0) SpvOperand::_a0
#define SPV_OPERAND_2(_a0, _a1) SPV_OPERAND_1(_a0), SPV_OPERAND_1(_a1)
#define SPV_OPERAND_3(_a0, _a1, _a2) SPV_OPERAND_1(_a0), SPV_OPERAND_2(_a1, _a2)
#define SPV_OPERAND_4(_a0, _a1, _a2, _a3) SPV_OPERAND_1(_a0), SPV_OPERAND_3(_a1, _a2, _a3)
#define SPV_OPERAND_5(_a0, _a1, _a2, _a3, _a4) SPV_OPERAND_1(_a0), SPV_OPERAND_4(_a1, _a2, _a3, _a4)
#define SPV_OPERAND_6(_a0, _a1, _a2, _a3, _a4, _a5) SPV_OPERAND_1(_a0), SPV_OPERAND_5(_a1, _a2, _a3, _a4, _a5)
#define SPV_OPERAND_7(_a0, _a1, _a2, _a3, _a4, _a5, _a6) SPV_OPERAND_1(_a0), SPV_OPERAND_6(_a1, _a2, _a3, _a4, _a5, _a6)
#define SPV_OPERAND_8(_a0, _a1, _a2, _a3, _a4, _a5, _a6, _a7) SPV_OPERAND_1(_a0), SPV_OPERAND_7(_a1, _a2, _a3, _a4, _a5, _a6, _a7)
#define SPV_OPERAND_9(_a0, _a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8) SPV_OPERAND_1(_a0), SPV_OPERAND_8(_a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8)
#if BX_COMPILER_MSVC
// Workaround MSVS bug...
# define SPV_OPERAND(...) { BX_MACRO_DISPATCHER(SPV_OPERAND_, __VA_ARGS__) BX_VA_ARGS_PASS(__VA_ARGS__) }
#else
# define SPV_OPERAND(...) { BX_MACRO_DISPATCHER(SPV_OPERAND_, __VA_ARGS__)(__VA_ARGS__) }
#endif // BX_COMPILER_MSVC
#define _ Count
bool isDebug(SpvOpcode::Enum _opcode)
{
return (SpvOpcode::SourceContinued <= _opcode && SpvOpcode::Line >= _opcode)
|| SpvOpcode::NoLine == _opcode
;
}
struct SpvOpcodeInfo
{
bool hasType;
bool hasResult;
SpvOperand::Enum operands[8];
};
static const SpvOpcodeInfo s_spvOpcodeInfo[] =
{
{ false, false, /* Nop, // 0 */ SPV_OPERAND(_) },
{ true, true, /* Undef, // 1 */ SPV_OPERAND(_) },
{ false, false, /* SourceContinued, // 2 */ SPV_OPERAND(_) },
{ false, false, /* Source, // 3 */ SPV_OPERAND(SourceLanguage, LiteralNumber, Id, LiteralString) },
{ false, false, /* SourceExtension, // 4 */ SPV_OPERAND(LiteralString) },
{ false, true, /* Name, // 5 */ SPV_OPERAND(LiteralString) },
{ false, true, /* MemberName, // 6 */ SPV_OPERAND(LiteralNumber, LiteralString) },
{ false, false, /* String, // 7 */ SPV_OPERAND(_) },
{ false, false, /* Line, // 8 */ SPV_OPERAND(_) },
{ false, false, /* ------------------------------- Invalid9 // 9 */ SPV_OPERAND(_) },
{ false, false, /* Extension, // 10 */ SPV_OPERAND(LiteralString) },
{ false, true, /* ExtInstImport, // 11 */ SPV_OPERAND(LiteralString) },
{ true, true, /* ExtInst, // 12 */ SPV_OPERAND(LiteralNumber) },
{ false, false, /* ------------------------------ Invalid13 // 13 */ SPV_OPERAND(_) },
{ false, false, /* MemoryModel, // 14 */ SPV_OPERAND(AddressingModel, MemoryModel) },
{ false, false, /* EntryPoint, // 15 */ SPV_OPERAND(ExecutionModel, Id, LiteralString) },
{ true, true, /* ExecutionMode, // 16 */ SPV_OPERAND(_) },
{ false, false, /* Capability, // 17 */ SPV_OPERAND(Capability ) },
{ false, false, /* ------------------------------ Invalid18 // 18 */ SPV_OPERAND(_) },
{ false, true, /* TypeVoid, // 19 */ SPV_OPERAND(LiteralNumber) },
{ false, true, /* TypeBool, // 20 */ SPV_OPERAND(LiteralNumber) },
{ false, true, /* TypeInt, // 21 */ SPV_OPERAND(LiteralNumber) },
{ false, true, /* TypeFloat, // 22 */ SPV_OPERAND(LiteralNumber) },
{ false, true, /* TypeVector, // 23 */ SPV_OPERAND(ComponentType, LiteralNumber) },
{ false, true, /* TypeMatrix, // 24 */ SPV_OPERAND(LiteralNumber) },
{ false, true, /* TypeImage, // 25 */ SPV_OPERAND(SampledType, Dim, LiteralNumber, LiteralNumber, LiteralNumber, LiteralNumber, ImageFormat, AccessQualifier) },
{ false, true, /* TypeSampler, // 26 */ SPV_OPERAND(LiteralNumber) },
{ false, true, /* TypeSampledImage, // 27 */ SPV_OPERAND(LiteralNumber) },
{ false, true, /* TypeArray, // 28 */ SPV_OPERAND(ElementType, LiteralNumber) },
{ false, true, /* TypeRuntimeArray, // 29 */ SPV_OPERAND(ElementType) },
{ false, true, /* TypeStruct, // 30 */ SPV_OPERAND(IdRep) },
{ false, true, /* TypeOpaque, // 31 */ SPV_OPERAND(LiteralString) },
{ false, true, /* TypePointer, // 32 */ SPV_OPERAND(StorageClass, Id) },
{ false, true, /* TypeFunction, // 33 */ SPV_OPERAND(Id, Id, Id, Id, Id) },
{ false, true, /* TypeEvent, // 34 */ SPV_OPERAND(_) },
{ false, true, /* TypeDeviceEvent, // 35 */ SPV_OPERAND(_) },
{ false, true, /* TypeReserveId, // 36 */ SPV_OPERAND(_) },
{ false, true, /* TypeQueue, // 37 */ SPV_OPERAND(_) },
{ false, true, /* TypePipe, // 38 */ SPV_OPERAND(_) },
{ false, true, /* TypeForwardPointer, // 39 */ SPV_OPERAND(_) },
{ false, false, /* ------------------------------ Invalid40 // 40 */ SPV_OPERAND(_) },
{ true, true, /* ConstantTrue, // 41 */ SPV_OPERAND(_) },
{ true, true, /* ConstantFalse, // 42 */ SPV_OPERAND(_) },
{ true, true, /* Constant, // 43 */ SPV_OPERAND(LiteralRep) },
{ true, true, /* ConstantComposite, // 44 */ SPV_OPERAND(LiteralRep) },
{ true, true, /* ConstantSampler, // 45 */ SPV_OPERAND(SamplerAddressingMode, LiteralNumber, SamplerFilterMode) },
{ true, true, /* ConstantNull, // 46 */ SPV_OPERAND(_) },
{ false, false, /* ------------------------------ Invalid47 // 47 */ SPV_OPERAND(_) },
{ true, true, /* SpecConstantTrue, // 48 */ SPV_OPERAND(_) },
{ true, true, /* SpecConstantFalse, // 49 */ SPV_OPERAND(_) },
{ true, true, /* SpecConstant, // 50 */ SPV_OPERAND(_) },
{ true, true, /* SpecConstantComposite, // 51 */ SPV_OPERAND(_) },
{ true, true, /* SpecConstantOp, // 52 */ SPV_OPERAND(_) },
{ false, false, /* ------------------------------ Invalid53 // 53 */ SPV_OPERAND(_) },
{ true, true, /* Function, // 54 */ SPV_OPERAND(FunctionControl, Id) },
{ true, true, /* FunctionParameter, // 55 */ SPV_OPERAND(_) },
{ false, false, /* FunctionEnd, // 56 */ SPV_OPERAND(_) },
{ true, true, /* FunctionCall, // 57 */ SPV_OPERAND(Function, IdRep) },
{ false, false, /* ------------------------------ Invalid58 // 58 */ SPV_OPERAND(_) },
{ true, true, /* Variable, // 59 */ SPV_OPERAND(StorageClass, Id) },
{ true, true, /* ImageTexelPointer, // 60 */ SPV_OPERAND(_) },
{ true, true, /* Load, // 61 */ SPV_OPERAND(Pointer, MemoryAccess) },
{ false, false, /* Store, // 62 */ SPV_OPERAND(Pointer, Object, MemoryAccess) },
{ false, false, /* CopyMemory, // 63 */ SPV_OPERAND(_) },
{ false, false, /* CopyMemorySized, // 64 */ SPV_OPERAND(_) },
{ true, true, /* AccessChain, // 65 */ SPV_OPERAND(Base, IdRep) },
{ true, true, /* InBoundsAccessChain, // 66 */ SPV_OPERAND(Base, IdRep) },
{ true, true, /* PtrAccessChain, // 67 */ SPV_OPERAND(_) },
{ true, true, /* ArrayLength, // 68 */ SPV_OPERAND(_) },
{ true, true, /* GenericPtrMemSemantics, // 69 */ SPV_OPERAND(_) },
{ true, true, /* InBoundsPtrAccessChain, // 70 */ SPV_OPERAND(_) },
{ false, false, /* Decorate, // 71 */ SPV_OPERAND(Id, Decoration, LiteralRep) },
{ false, false, /* MemberDecorate, // 72 */ SPV_OPERAND(StructureType, LiteralNumber, Decoration, LiteralRep) },
{ false, false, /* DecorationGroup, // 73 */ SPV_OPERAND(_) },
{ false, false, /* GroupDecorate, // 74 */ SPV_OPERAND(_) },
{ false, false, /* GroupMemberDecorate, // 75 */ SPV_OPERAND(_) },
{ false, false, /* ------------------------------ Invalid76 // 76 */ SPV_OPERAND(_) },
{ true, true, /* VectorExtractDynamic, // 77 */ SPV_OPERAND(_) },
{ true, true, /* VectorInsertDynamic, // 78 */ SPV_OPERAND(_) },
{ true, true, /* VectorShuffle, // 79 */ SPV_OPERAND(Id, Id, LiteralRep) },
{ true, true, /* CompositeConstruct, // 80 */ SPV_OPERAND(IdRep) },
{ true, true, /* CompositeExtract, // 81 */ SPV_OPERAND(Composite, LiteralRep) },
{ true, true, /* CompositeInsert, // 82 */ SPV_OPERAND(Id, Composite, LiteralRep) },
{ true, true, /* CopyObject, // 83 */ SPV_OPERAND(Id) },
{ true, true, /* Transpose, // 84 */ SPV_OPERAND(Matrix) },
{ false, false, /* ------------------------------ Invalid85 // 85 */ SPV_OPERAND(_) },
{ true, true, /* SampledImage, // 86 */ SPV_OPERAND(_) },
{ true, true, /* ImageSampleImplicitLod, // 87 */ SPV_OPERAND(SampledImage, Coordinate, ImageOperands, IdRep) },
{ true, true, /* ImageSampleExplicitLod, // 88 */ SPV_OPERAND(SampledImage, Coordinate, ImageOperands, Id, IdRep) },
{ true, true, /* ImageSampleDrefImplicitLod, // 89 */ SPV_OPERAND(_) },
{ true, true, /* ImageSampleDrefExplicitLod, // 90 */ SPV_OPERAND(_) },
{ true, true, /* ImageSampleProjImplicitLod, // 91 */ SPV_OPERAND(_) },
{ true, true, /* ImageSampleProjExplicitLod, // 92 */ SPV_OPERAND(_) },
{ true, true, /* ImageSampleProjDrefImplicitLod, // 93 */ SPV_OPERAND(_) },
{ true, true, /* ImageSampleProjDrefExplicitLod, // 94 */ SPV_OPERAND(_) },
{ true, true, /* ImageFetch, // 95 */ SPV_OPERAND(_) },
{ true, true, /* ImageGather, // 96 */ SPV_OPERAND(SampledImage, Coordinate, Component, ImageOperands, IdRep) },
{ true, true, /* ImageDrefGather, // 97 */ SPV_OPERAND(SampledImage, Coordinate, Dref, ImageOperands, IdRep) },
{ true, true, /* ImageRead, // 98 */ SPV_OPERAND(_) },
{ false, false, /* ImageWrite, // 99 */ SPV_OPERAND(_) },
{ true, true, /* Image, // 100 */ SPV_OPERAND(_) },
{ true, true, /* ImageQueryFormat, // 101 */ SPV_OPERAND(_) },
{ true, true, /* ImageQueryOrder, // 102 */ SPV_OPERAND(_) },
{ true, true, /* ImageQuerySizeLod, // 103 */ SPV_OPERAND(_) },
{ true, true, /* ImageQuerySize, // 104 */ SPV_OPERAND(_) },
{ true, true, /* ImageQueryLod, // 105 */ SPV_OPERAND(_) },
{ true, true, /* ImageQueryLevels, // 106 */ SPV_OPERAND(_) },
{ true, true, /* ImageQuerySamples, // 107 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid108 // 108 */ SPV_OPERAND(_) },
{ true, true, /* ConvertFToU, // 109 */ SPV_OPERAND(_) },
{ true, true, /* ConvertFToS, // 110 */ SPV_OPERAND(_) },
{ true, true, /* ConvertSToF, // 111 */ SPV_OPERAND(_) },
{ true, true, /* ConvertUToF, // 112 */ SPV_OPERAND(_) },
{ true, true, /* UConvert, // 113 */ SPV_OPERAND(Id) },
{ true, true, /* SConvert, // 114 */ SPV_OPERAND(Id) },
{ true, true, /* FConvert, // 115 */ SPV_OPERAND(Id) },
{ true, true, /* QuantizeToF16, // 116 */ SPV_OPERAND(_) },
{ true, true, /* ConvertPtrToU, // 117 */ SPV_OPERAND(_) },
{ true, true, /* SatConvertSToU, // 118 */ SPV_OPERAND(_) },
{ true, true, /* SatConvertUToS, // 119 */ SPV_OPERAND(_) },
{ true, true, /* ConvertUToPtr, // 120 */ SPV_OPERAND(_) },
{ true, true, /* PtrCastToGeneric, // 121 */ SPV_OPERAND(_) },
{ true, true, /* GenericCastToPtr, // 122 */ SPV_OPERAND(_) },
{ true, true, /* GenericCastToPtrExplicit, // 123 */ SPV_OPERAND(_) },
{ true, true, /* Bitcast, // 124 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid125 // 125 */ SPV_OPERAND(_) },
{ true, true, /* SNegate, // 126 */ SPV_OPERAND(Id) },
{ true, true, /* FNegate, // 127 */ SPV_OPERAND(Id) },
{ true, true, /* IAdd, // 128 */ SPV_OPERAND(Id, Id) },
{ true, true, /* FAdd, // 129 */ SPV_OPERAND(Id, Id) },
{ true, true, /* ISub, // 130 */ SPV_OPERAND(Id, Id) },
{ true, true, /* FSub, // 131 */ SPV_OPERAND(Id, Id) },
{ true, true, /* IMul, // 132 */ SPV_OPERAND(Id, Id) },
{ true, true, /* FMul, // 133 */ SPV_OPERAND(Id, Id) },
{ true, true, /* UDiv, // 134 */ SPV_OPERAND(Id, Id) },
{ true, true, /* SDiv, // 135 */ SPV_OPERAND(Id, Id) },
{ true, true, /* FDiv, // 136 */ SPV_OPERAND(Id, Id) },
{ true, true, /* UMod, // 137 */ SPV_OPERAND(Id, Id) },
{ true, true, /* SRem, // 138 */ SPV_OPERAND(Id, Id) },
{ true, true, /* SMod, // 139 */ SPV_OPERAND(Id, Id) },
{ true, true, /* FRem, // 140 */ SPV_OPERAND(Id, Id) },
{ true, true, /* FMod, // 141 */ SPV_OPERAND(Id, Id) },
{ true, true, /* VectorTimesScalar, // 142 */ SPV_OPERAND(Vector, Scalar) },
{ true, true, /* MatrixTimesScalar, // 143 */ SPV_OPERAND(Matrix, Scalar) },
{ true, true, /* VectorTimesMatrix, // 144 */ SPV_OPERAND(Vector, Matrix) },
{ true, true, /* MatrixTimesVector, // 145 */ SPV_OPERAND(Matrix, Vector) },
{ true, true, /* MatrixTimesMatrix, // 146 */ SPV_OPERAND(Matrix, Matrix) },
{ true, true, /* OuterProduct, // 147 */ SPV_OPERAND(Vector, Vector) },
{ true, true, /* Dot, // 148 */ SPV_OPERAND(Vector, Vector) },
{ true, true, /* IAddCarry, // 149 */ SPV_OPERAND(Id, Id) },
{ true, true, /* ISubBorrow, // 150 */ SPV_OPERAND(Id, Id) },
{ true, true, /* UMulExtended, // 151 */ SPV_OPERAND(Id, Id) },
{ true, true, /* SMulExtended, // 152 */ SPV_OPERAND(Id, Id) },
{ false, false, /* ----------------------------- Invalid153 // 153 */ SPV_OPERAND(_) },
{ true, true, /* Any, // 154 */ SPV_OPERAND(Vector) },
{ true, true, /* All, // 155 */ SPV_OPERAND(Vector) },
{ true, true, /* IsNan, // 156 */ SPV_OPERAND(Id) },
{ true, true, /* IsInf, // 157 */ SPV_OPERAND(Id) },
{ true, true, /* IsFinite, // 158 */ SPV_OPERAND(Id) },
{ true, true, /* IsNormal, // 159 */ SPV_OPERAND(Id) },
{ true, true, /* SignBitSet, // 160 */ SPV_OPERAND(Id) },
{ true, true, /* LessOrGreater, // 161 */ SPV_OPERAND(Id, Id) },
{ true, true, /* Ordered, // 162 */ SPV_OPERAND(Id, Id) },
{ true, true, /* Unordered, // 163 */ SPV_OPERAND(_) },
{ true, true, /* LogicalEqual, // 164 */ SPV_OPERAND(_) },
{ true, true, /* LogicalNotEqual, // 165 */ SPV_OPERAND(_) },
{ true, true, /* LogicalOr, // 166 */ SPV_OPERAND(_) },
{ true, true, /* LogicalAnd, // 167 */ SPV_OPERAND(_) },
{ true, true, /* LogicalNot, // 168 */ SPV_OPERAND(_) },
{ true, true, /* Select, // 169 */ SPV_OPERAND(Condition, Id, Id) },
{ true, true, /* IEqual, // 170 */ SPV_OPERAND(_) },
{ true, true, /* INotEqual, // 171 */ SPV_OPERAND(_) },
{ true, true, /* UGreaterThan, // 172 */ SPV_OPERAND(_) },
{ true, true, /* SGreaterThan, // 173 */ SPV_OPERAND(_) },
{ true, true, /* UGreaterThanEqual, // 174 */ SPV_OPERAND(_) },
{ true, true, /* SGreaterThanEqual, // 175 */ SPV_OPERAND(_) },
{ true, true, /* ULessThan, // 176 */ SPV_OPERAND(_) },
{ true, true, /* SLessThan, // 177 */ SPV_OPERAND(_) },
{ true, true, /* ULessThanEqual, // 178 */ SPV_OPERAND(_) },
{ true, true, /* SLessThanEqual, // 179 */ SPV_OPERAND(_) },
{ true, true, /* FOrdEqual, // 180 */ SPV_OPERAND(_) },
{ true, true, /* FUnordEqual, // 181 */ SPV_OPERAND(_) },
{ true, true, /* FOrdNotEqual, // 182 */ SPV_OPERAND(_) },
{ true, true, /* FUnordNotEqual, // 183 */ SPV_OPERAND(_) },
{ true, true, /* FOrdLessThan, // 184 */ SPV_OPERAND(_) },
{ true, true, /* FUnordLessThan, // 185 */ SPV_OPERAND(_) },
{ true, true, /* FOrdGreaterThan, // 186 */ SPV_OPERAND(_) },
{ true, true, /* FUnordGreaterThan, // 187 */ SPV_OPERAND(_) },
{ true, true, /* FOrdLessThanEqual, // 188 */ SPV_OPERAND(_) },
{ true, true, /* FUnordLessThanEqual, // 189 */ SPV_OPERAND(_) },
{ true, true, /* FOrdGreaterThanEqual, // 190 */ SPV_OPERAND(_) },
{ true, true, /* FUnordGreaterThanEqual, // 191 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid192 // 192 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid193 // 193 */ SPV_OPERAND(_) },
{ true, true, /* ShiftRightLogical, // 194 */ SPV_OPERAND(_) },
{ true, true, /* ShiftRightArithmetic, // 195 */ SPV_OPERAND(_) },
{ true, true, /* ShiftLeftLogical, // 196 */ SPV_OPERAND(_) },
{ true, true, /* BitwiseOr, // 197 */ SPV_OPERAND(_) },
{ true, true, /* BitwiseXor, // 198 */ SPV_OPERAND(_) },
{ true, true, /* BitwiseAnd, // 199 */ SPV_OPERAND(_) },
{ true, true, /* Not, // 200 */ SPV_OPERAND(_) },
{ true, true, /* BitFieldInsert, // 201 */ SPV_OPERAND(_) },
{ true, true, /* BitFieldSExtract, // 202 */ SPV_OPERAND(_) },
{ true, true, /* BitFieldUExtract, // 203 */ SPV_OPERAND(_) },
{ true, true, /* BitReverse, // 204 */ SPV_OPERAND(_) },
{ true, true, /* BitCount, // 205 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid206 // 206 */ SPV_OPERAND(_) },
{ true, true, /* DPdx, // 207 */ SPV_OPERAND(_) },
{ true, true, /* DPdy, // 208 */ SPV_OPERAND(_) },
{ true, true, /* Fwidth, // 209 */ SPV_OPERAND(_) },
{ true, true, /* DPdxFine, // 210 */ SPV_OPERAND(_) },
{ true, true, /* DPdyFine, // 211 */ SPV_OPERAND(_) },
{ true, true, /* FwidthFine, // 212 */ SPV_OPERAND(_) },
{ true, true, /* DPdxCoarse, // 213 */ SPV_OPERAND(_) },
{ true, true, /* DPdyCoarse, // 214 */ SPV_OPERAND(_) },
{ true, true, /* FwidthCoarse, // 215 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid216 // 216 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid217 // 217 */ SPV_OPERAND(_) },
{ false, false, /* EmitVertex, // 218 */ SPV_OPERAND(_) },
{ false, false, /* EndPrimitive, // 219 */ SPV_OPERAND(_) },
{ false, false, /* EmitStreamVertex, // 220 */ SPV_OPERAND(_) },
{ false, false, /* EndStreamPrimitive, // 221 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid222 // 222 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid223 // 223 */ SPV_OPERAND(_) },
{ false, false, /* ControlBarrier, // 224 */ SPV_OPERAND(_) },
{ false, false, /* MemoryBarrier, // 225 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid226 // 226 */ SPV_OPERAND(_) },
{ true, true, /* AtomicLoad, // 227 */ SPV_OPERAND(_) },
{ false, false, /* AtomicStore, // 228 */ SPV_OPERAND(_) },
{ true, true, /* AtomicExchange, // 229 */ SPV_OPERAND(_) },
{ true, true, /* AtomicCompareExchange, // 230 */ SPV_OPERAND(_) },
{ true, true, /* AtomicCompareExchangeWeak, // 231 */ SPV_OPERAND(_) },
{ true, true, /* AtomicIIncrement, // 232 */ SPV_OPERAND(_) },
{ true, true, /* AtomicIDecrement, // 233 */ SPV_OPERAND(_) },
{ true, true, /* AtomicIAdd, // 234 */ SPV_OPERAND(_) },
{ true, true, /* AtomicISub, // 235 */ SPV_OPERAND(_) },
{ true, true, /* AtomicSMin, // 236 */ SPV_OPERAND(_) },
{ true, true, /* AtomicUMin, // 237 */ SPV_OPERAND(_) },
{ true, true, /* AtomicSMax, // 238 */ SPV_OPERAND(_) },
{ true, true, /* AtomicUMax, // 239 */ SPV_OPERAND(_) },
{ true, true, /* AtomicAnd, // 240 */ SPV_OPERAND(_) },
{ true, true, /* AtomicOr, // 241 */ SPV_OPERAND(_) },
{ true, true, /* AtomicXor, // 242 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid243 // 243 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid244 // 244 */ SPV_OPERAND(_) },
{ true, true, /* Phi, // 245 */ SPV_OPERAND(_) },
{ false, false, /* LoopMerge, // 246 */ SPV_OPERAND(_) },
{ false, false, /* SelectionMerge, // 247 */ SPV_OPERAND(_) },
{ false, true, /* Label, // 248 */ SPV_OPERAND(_) },
{ false, false, /* Branch, // 249 */ SPV_OPERAND(Id) },
{ false, false, /* BranchConditional, // 250 */ SPV_OPERAND(Condition, Id, Id, LiteralRep) },
{ false, false, /* Switch, // 251 */ SPV_OPERAND(_) },
{ false, false, /* Kill, // 252 */ SPV_OPERAND(_) },
{ false, false, /* Return, // 253 */ SPV_OPERAND(_) },
{ false, false, /* ReturnValue, // 254 */ SPV_OPERAND(Id) },
{ false, false, /* Unreachable, // 255 */ SPV_OPERAND(_) },
{ false, false, /* LifetimeStart, // 256 */ SPV_OPERAND(_) },
{ false, false, /* LifetimeStop, // 257 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid258 // 258 */ SPV_OPERAND(_) },
{ true, true, /* GroupAsyncCopy, // 259 */ SPV_OPERAND(_) },
{ false, false, /* GroupWaitEvents, // 260 */ SPV_OPERAND(_) },
{ true, true, /* GroupAll, // 261 */ SPV_OPERAND(_) },
{ true, true, /* GroupAny, // 262 */ SPV_OPERAND(_) },
{ true, true, /* GroupBroadcast, // 263 */ SPV_OPERAND(_) },
{ true, true, /* GroupIAdd, // 264 */ SPV_OPERAND(_) },
{ true, true, /* GroupFAdd, // 265 */ SPV_OPERAND(_) },
{ true, true, /* GroupFMin, // 266 */ SPV_OPERAND(_) },
{ true, true, /* GroupUMin, // 267 */ SPV_OPERAND(_) },
{ true, true, /* GroupSMin, // 268 */ SPV_OPERAND(_) },
{ true, true, /* GroupFMax, // 269 */ SPV_OPERAND(_) },
{ true, true, /* GroupUMax, // 270 */ SPV_OPERAND(_) },
{ true, true, /* GroupSMax, // 271 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid272 // 272 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid273 // 273 */ SPV_OPERAND(_) },
{ true, true, /* ReadPipe, // 274 */ SPV_OPERAND(_) },
{ true, true, /* WritePipe, // 275 */ SPV_OPERAND(_) },
{ true, true, /* ReservedReadPipe, // 276 */ SPV_OPERAND(_) },
{ true, true, /* ReservedWritePipe, // 277 */ SPV_OPERAND(_) },
{ true, true, /* ReserveReadPipePackets, // 278 */ SPV_OPERAND(_) },
{ true, true, /* ReserveWritePipePackets, // 279 */ SPV_OPERAND(_) },
{ false, false, /* CommitReadPipe, // 280 */ SPV_OPERAND(_) },
{ false, false, /* CommitWritePipe, // 281 */ SPV_OPERAND(_) },
{ true, true, /* IsValidReserveId, // 282 */ SPV_OPERAND(_) },
{ true, true, /* GetNumPipePackets, // 283 */ SPV_OPERAND(_) },
{ true, true, /* GetMaxPipePackets, // 284 */ SPV_OPERAND(_) },
{ true, true, /* GroupReserveReadPipePackets, // 285 */ SPV_OPERAND(_) },
{ true, true, /* GroupReserveWritePipePackets, // 286 */ SPV_OPERAND(_) },
{ false, false, /* GroupCommitReadPipe, // 287 */ SPV_OPERAND(_) },
{ false, false, /* GroupCommitWritePipe, // 288 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid289 // 289 */ SPV_OPERAND(_) },
{ false, false, /* ----------------------------- Invalid290 // 290 */ SPV_OPERAND(_) },
{ true, true, /* EnqueueMarker, // 291 */ SPV_OPERAND(_) },
{ true, true, /* EnqueueKernel, // 292 */ SPV_OPERAND(_) },
{ true, true, /* GetKernelNDrangeSubGroupCount, // 293 */ SPV_OPERAND(_) },
{ true, true, /* GetKernelNDrangeMaxSubGroupSize, // 294 */ SPV_OPERAND(_) },
{ true, true, /* GetKernelWorkGroupSize, // 295 */ SPV_OPERAND(_) },
{ true, true, /* GetKernelPreferredWorkGroupSizeMultiple, // 296 */ SPV_OPERAND(_) },
{ false, false, /* RetainEvent, // 297 */ SPV_OPERAND(_) },
{ false, false, /* ReleaseEvent, // 298 */ SPV_OPERAND(_) },
{ true, true, /* CreateUserEvent, // 299 */ SPV_OPERAND(_) },
{ true, true, /* IsValidEvent, // 300 */ SPV_OPERAND(_) },
{ false, false, /* SetUserEventStatus, // 301 */ SPV_OPERAND(_) },
{ false, false, /* CaptureEventProfilingInfo, // 302 */ SPV_OPERAND(_) },
{ true, true, /* GetDefaultQueue, // 303 */ SPV_OPERAND(_) },
{ true, true, /* BuildNDRange, // 304 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseSampleImplicitLod, // 305 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseSampleExplicitLod, // 306 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseSampleDrefImplicitLod, // 307 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseSampleDrefExplicitLod, // 308 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseSampleProjImplicitLod, // 309 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseSampleProjExplicitLod, // 310 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseSampleProjDrefImplicitLod, // 311 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseSampleProjDrefExplicitLod, // 312 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseFetch, // 313 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseGather, // 314 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseDrefGather, // 315 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseTexelsResident, // 316 */ SPV_OPERAND(_) },
{ false, false, /* NoLine, // 317 */ SPV_OPERAND(_) },
{ true, true, /* AtomicFlagTestAndSet, // 318 */ SPV_OPERAND(_) },
{ false, false, /* AtomicFlagClear, // 319 */ SPV_OPERAND(_) },
{ true, true, /* ImageSparseRead, // 320 */ SPV_OPERAND(_) },
};
BX_STATIC_ASSERT(BX_COUNTOF(s_spvOpcodeInfo) == SpvOpcode::Count);
const char* s_spvOpcode[] =
{
"Nop",
"Undef",
"SourceContinued",
"Source",
"SourceExtension",
"Name",
"MemberName",
"String",
"Line",
"Invalid9",
"Extension",
"ExtInstImport",
"ExtInst",
"Invalid13",
"MemoryModel",
"EntryPoint",
"ExecutionMode",
"Capability",
"Invalid18",
"TypeVoid",
"TypeBool",
"TypeInt",
"TypeFloat",
"TypeVector",
"TypeMatrix",
"TypeImage",
"TypeSampler",
"TypeSampledImage",
"TypeArray",
"TypeRuntimeArray",
"TypeStruct",
"TypeOpaque",
"TypePointer",
"TypeFunction",
"TypeEvent",
"TypeDeviceEvent",
"TypeReserveId",
"TypeQueue",
"TypePipe",
"TypeForwardPointer",
"Invalid40",
"ConstantTrue",
"ConstantFalse",
"Constant",
"ConstantComposite",
"ConstantSampler",
"ConstantNull",
"Invalid47",
"SpecConstantTrue",
"SpecConstantFalse",
"SpecConstant",
"SpecConstantComposite",
"SpecConstantOp",
"Invalid53",
"Function",
"FunctionParameter",
"FunctionEnd",
"FunctionCall",
"Invalid58",
"Variable",
"ImageTexelPointer",
"Load",
"Store",
"CopyMemory",
"CopyMemorySized",
"AccessChain",
"InBoundsAccessChain",
"PtrAccessChain",
"ArrayLength",
"GenericPtrMemSemantics",
"InBoundsPtrAccessChain",
"Decorate",
"MemberDecorate",
"DecorationGroup",
"GroupDecorate",
"GroupMemberDecorate",
"Invalid76",
"VectorExtractDynamic",
"VectorInsertDynamic",
"VectorShuffle",
"CompositeConstruct",
"CompositeExtract",
"CompositeInsert",
"CopyObject",
"Transpose",
"Invalid85",
"SampledImage",
"ImageSampleImplicitLod",
"ImageSampleExplicitLod",
"ImageSampleDrefImplicitLod",
"ImageSampleDrefExplicitLod",
"ImageSampleProjImplicitLod",
"ImageSampleProjExplicitLod",
"ImageSampleProjDrefImplicitLod",
"ImageSampleProjDrefExplicitLod",
"ImageFetch",
"ImageGather",
"ImageDrefGather",
"ImageRead",
"ImageWrite",
"Image",
"ImageQueryFormat",
"ImageQueryOrder",
"ImageQuerySizeLod",
"ImageQuerySize",
"ImageQueryLod",
"ImageQueryLevels",
"ImageQuerySamples",
"Invalid108",
"ConvertFToU",
"ConvertFToS",
"ConvertSToF",
"ConvertUToF",
"UConvert",
"SConvert",
"FConvert",
"QuantizeToF16",
"ConvertPtrToU",
"SatConvertSToU",
"SatConvertUToS",
"ConvertUToPtr",
"PtrCastToGeneric",
"GenericCastToPtr",
"GenericCastToPtrExplicit",
"Bitcast",
"Invalid125",
"SNegate",
"FNegate",
"IAdd",
"FAdd",
"ISub",
"FSub",
"IMul",
"FMul",
"UDiv",
"SDiv",
"FDiv",
"UMod",
"SRem",
"SMod",
"FRem",
"FMod",
"VectorTimesScalar",
"MatrixTimesScalar",
"VectorTimesMatrix",
"MatrixTimesVector",
"MatrixTimesMatrix",
"OuterProduct",
"Dot",
"IAddCarry",
"ISubBorrow",
"UMulExtended",
"SMulExtended",
"Invalid153",
"Any",
"All",
"IsNan",
"IsInf",
"IsFinite",
"IsNormal",
"SignBitSet",
"LessOrGreater",
"Ordered",
"Unordered",
"LogicalEqual",
"LogicalNotEqual",
"LogicalOr",
"LogicalAnd",
"LogicalNot",
"Select",
"IEqual",
"INotEqual",
"UGreaterThan",
"SGreaterThan",
"UGreaterThanEqual",
"SGreaterThanEqual",
"ULessThan",
"SLessThan",
"ULessThanEqual",
"SLessThanEqual",
"FOrdEqual",
"FUnordEqual",
"FOrdNotEqual",
"FUnordNotEqual",
"FOrdLessThan",
"FUnordLessThan",
"FOrdGreaterThan",
"FUnordGreaterThan",
"FOrdLessThanEqual",
"FUnordLessThanEqual",
"FOrdGreaterThanEqual",
"FUnordGreaterThanEqual",
"Invalid192",
"Invalid193",
"ShiftRightLogical",
"ShiftRightArithmetic",
"ShiftLeftLogical",
"BitwiseOr",
"BitwiseXor",
"BitwiseAnd",
"Not",
"BitFieldInsert",
"BitFieldSExtract",
"BitFieldUExtract",
"BitReverse",
"BitCount",
"Invalid206",
"DPdx",
"DPdy",
"Fwidth",
"DPdxFine",
"DPdyFine",
"FwidthFine",
"DPdxCoarse",
"DPdyCoarse",
"FwidthCoarse",
"Invalid216",
"Invalid217",
"EmitVertex",
"EndPrimitive",
"EmitStreamVertex",
"Invalid222",
"Invalid223",
"EndStreamPrimitive",
"ControlBarrier",
"MemoryBarrier",
"Invalid226",
"AtomicLoad",
"AtomicStore",
"AtomicExchange",
"AtomicCompareExchange",
"AtomicCompareExchangeWeak",
"AtomicIIncrement",
"AtomicIDecrement",
"AtomicIAdd",
"AtomicISub",
"AtomicSMin",
"AtomicUMin",
"AtomicSMax",
"AtomicUMax",
"AtomicAnd",
"AtomicOr",
"AtomicXor",
"Invalid243",
"Invalid244",
"Phi",
"LoopMerge",
"SelectionMerge",
"Label",
"Branch",
"BranchConditional",
"Switch",
"Kill",
"Return",
"ReturnValue",
"Unreachable",
"LifetimeStart",
"LifetimeStop",
"Invalid258",
"GroupAsyncCopy",
"GroupWaitEvents",
"GroupAll",
"GroupAny",
"GroupBroadcast",
"GroupIAdd",
"GroupFAdd",
"GroupFMin",
"GroupUMin",
"GroupSMin",
"GroupFMax",
"GroupUMax",
"GroupSMax",
"Invalid272",
"Invalid273",
"ReadPipe",
"WritePipe",
"ReservedReadPipe",
"ReservedWritePipe",
"ReserveReadPipePackets",
"ReserveWritePipePackets",
"CommitReadPipe",
"CommitWritePipe",
"IsValidReserveId",
"GetNumPipePackets",
"GetMaxPipePackets",
"GroupReserveReadPipePackets",
"GroupReserveWritePipePackets",
"GroupCommitReadPipe",
"GroupCommitWritePipe",
"Invalid289",
"Invalid290",
"EnqueueMarker",
"EnqueueKernel",
"GetKernelNDrangeSubGroupCount",
"GetKernelNDrangeMaxSubGroupSize",
"GetKernelWorkGroupSize",
"GetKernelPreferredWorkGroupSizeMultiple",
"RetainEvent",
"ReleaseEvent",
"CreateUserEvent",
"IsValidEvent",
"SetUserEventStatus",
"CaptureEventProfilingInfo",
"GetDefaultQueue",
"BuildNDRange",
"ImageSparseSampleImplicitLod",
"ImageSparseSampleExplicitLod",
"ImageSparseSampleDrefImplicitLod",
"ImageSparseSampleDrefExplicitLod",
"ImageSparseSampleProjImplicitLod",
"ImageSparseSampleProjExplicitLod",
"ImageSparseSampleProjDrefImplicitLod",
"ImageSparseSampleProjDrefExplicitLod",
"ImageSparseFetch",
"ImageSparseGather",
"ImageSparseDrefGather",
"ImageSparseTexelsResident",
"NoLine",
"AtomicFlagTestAndSet",
"AtomicFlagClear",
"ImageSparseRead",
"",
};
BX_STATIC_ASSERT(BX_COUNTOF(s_spvOpcode)-1 == SpvOpcode::Count);
const char* getName(SpvOpcode::Enum _opcode)
{
BX_WARN(_opcode <= SpvOpcode::Count, "Unknown opcode id %d.", _opcode);
return _opcode <= SpvOpcode::Count
? s_spvOpcode[_opcode]
: "?SpvOpcode?"
;
}
struct SpvDecorationInfo
{
SpvOperand::Enum operands[2];
};
static const SpvDecorationInfo s_spvDecorationInfo[] =
{
{ /* RelaxedPrecision */ SPV_OPERAND(_) },
{ /* SpecId */ SPV_OPERAND(LiteralNumber) },
{ /* Block */ SPV_OPERAND(_) },
{ /* BufferBlock */ SPV_OPERAND(_) },
{ /* RowMajor */ SPV_OPERAND(_) },
{ /* ColMajor */ SPV_OPERAND(_) },
{ /* ArrayStride */ SPV_OPERAND(LiteralNumber) },
{ /* MatrixStride */ SPV_OPERAND(LiteralNumber) },
{ /* GLSLShared */ SPV_OPERAND(_) },
{ /* GLSLPacked */ SPV_OPERAND(_) },
{ /* CPacked */ SPV_OPERAND(_) },
{ /* BuiltIn */ SPV_OPERAND(LiteralNumber) },
{ /* Unknown12 */ SPV_OPERAND(_) },
{ /* NoPerspective */ SPV_OPERAND(_) },
{ /* Flat */ SPV_OPERAND(_) },
{ /* Patch */ SPV_OPERAND(_) },
{ /* Centroid */ SPV_OPERAND(_) },
{ /* Sample */ SPV_OPERAND(_) },
{ /* Invariant */ SPV_OPERAND(_) },
{ /* Restrict */ SPV_OPERAND(_) },
{ /* Aliased */ SPV_OPERAND(_) },
{ /* Volatile */ SPV_OPERAND(_) },
{ /* Constant */ SPV_OPERAND(_) },
{ /* Coherent */ SPV_OPERAND(_) },
{ /* NonWritable */ SPV_OPERAND(_) },
{ /* NonReadable */ SPV_OPERAND(_) },
{ /* Uniform */ SPV_OPERAND(_) },
{ /* Unknown27 */ SPV_OPERAND(_) },
{ /* SaturatedConversion */ SPV_OPERAND(_) },
{ /* Stream */ SPV_OPERAND(LiteralNumber) },
{ /* Location */ SPV_OPERAND(LiteralNumber) },
{ /* Component */ SPV_OPERAND(LiteralNumber) },
{ /* Index */ SPV_OPERAND(LiteralNumber) },
{ /* Binding */ SPV_OPERAND(LiteralNumber) },
{ /* DescriptorSet */ SPV_OPERAND(LiteralNumber) },
{ /* Offset */ SPV_OPERAND(LiteralNumber) },
{ /* XfbBuffer */ SPV_OPERAND(LiteralNumber) },
{ /* XfbStride */ SPV_OPERAND(LiteralNumber) },
{ /* FuncParamAttr */ SPV_OPERAND(_) },
{ /* FPRoundingMode */ SPV_OPERAND(_) },
{ /* FPFastMathMode */ SPV_OPERAND(_) },
{ /* LinkageAttributes */ SPV_OPERAND(LiteralString, LinkageType) },
{ /* NoContraction */ SPV_OPERAND(_) },
{ /* InputAttachmentIndex */ SPV_OPERAND(LiteralNumber) },
{ /* Alignment */ SPV_OPERAND(LiteralNumber) },
};
static const char* s_spvDecoration[] =
{
"RelaxedPrecision",
"SpecId",
"Block",
"BufferBlock",
"RowMajor",
"ColMajor",
"ArrayStride",
"MatrixStride",
"GLSLShared",
"GLSLPacked",
"CPacked",
"BuiltIn",
"Unknown12",
"NoPerspective",
"Flat",
"Patch",
"Centroid",
"Sample",
"Invariant",
"Restrict",
"Aliased",
"Volatile",
"Constant",
"Coherent",
"NonWritable",
"NonReadable",
"Uniform",
"Unknown27",
"SaturatedConversion",
"Stream",
"Location",
"Component",
"Index",
"Binding",
"DescriptorSet",
"Offset",
"XfbBuffer",
"XfbStride",
"FuncParamAttr",
"FPRoundingMode",
"FPFastMathMode",
"LinkageAttributes",
"NoContraction",
"InputAttachmentIndex",
"Alignment",
""
};
BX_STATIC_ASSERT(BX_COUNTOF(s_spvDecoration)-1 == SpvDecoration::Count);
const char* getName(SpvDecoration::Enum _enum)
{
BX_UNUSED(s_spvDecorationInfo);
BX_CHECK(_enum <= SpvDecoration::Count, "Unknown decoration id %d.", _enum);
return _enum <= SpvDecoration::Count
? s_spvDecoration[_enum]
: "?SpvDecoration?"
;
}
#undef _
#undef SPV_OPERAND
static const char* s_spvStorageClass[] =
{
"UniformConstant",
"Input",
"Uniform",
"Output",
"Workgroup",
"CrossWorkgroup",
"Private",
"Function",
"Generic",
"PushConstant",
"AtomicCounter",
"Image",
""
};
BX_STATIC_ASSERT(BX_COUNTOF(s_spvStorageClass)-1 == SpvStorageClass::Count);
const char* getName(SpvStorageClass::Enum _enum)
{
BX_CHECK(_enum <= SpvStorageClass::Count, "Unknown storage class id %d.", _enum);
return _enum <= SpvStorageClass::Count
? s_spvStorageClass[_enum]
: "?SpvStorageClass?"
;
}
static const char* s_spvBuiltin[] =
{
"Position",
"PointSize",
"ClipDistance",
"CullDistance",
"VertexId",
"InstanceId",
"PrimitiveId",
"InvocationId",
"Layer",
"ViewportIndex",
"TessLevelOuter",
"TessLevelInner",
"TessCoord",
"PatchVertices",
"FragCoord",
"PointCoord",
"FrontFacing",
"SampleId",
"SamplePosition",
"SampleMask",
"FragDepth",
"HelperInvocation",
"NumWorkgroups",
"WorkgroupSize",
"WorkgroupId",
"LocalInvocationId",
"GlobalInvocationId",
"LocalInvocationIndex",
"WorkDim",
"GlobalSize",
"EnqueuedWorkgroupSize",
"GlobalOffset",
"GlobalLinearId",
"SubgroupSize",
"SubgroupMaxSize",
"NumSubgroups",
"NumEnqueuedSubgroups",
"SubgroupId",
"SubgroupLocalInvocationId",
"VertexIndex",
"InstanceIndex",
"",
};
BX_STATIC_ASSERT(BX_COUNTOF(s_spvBuiltin)-1 == SpvBuiltin::Count);
const char* getName(SpvBuiltin::Enum _enum)
{
BX_CHECK(_enum <= SpvBuiltin::Count, "Unknown builtin id %d.", _enum);
return _enum <= SpvBuiltin::Count
? s_spvBuiltin[_enum]
: "?SpvBuiltin?"
;
}
int32_t read(bx::ReaderI* _reader, SpvOperand& _operand, bx::Error* _err)
{
int32_t size = 0;
uint32_t token;
_operand.literalString = "";
switch (_operand.type)
{
case SpvOperand::LiteralString:
do
{
size += bx::read(_reader, token, _err);
_operand.literalString.append( (char*)&token, (char*)&token + sizeof(token) );
}
while (0 != (token & 0xff000000) && _err->isOk() );
break;
default:
size += bx::read(_reader, _operand.data, _err);
break;
}
return size;
}
int32_t read(bx::ReaderI* _reader, SpvInstruction& _instruction, bx::Error* _err)
{
int32_t size = 0;
uint32_t token;
size += bx::read(_reader, token, _err);
_instruction.opcode = SpvOpcode::Enum( (token & UINT32_C(0x0000ffff) ) );
_instruction.length = uint16_t( (token & UINT32_C(0xffff0000) ) >> 16);
if (_instruction.opcode >= SpvOpcode::Count)
{
BX_ERROR_SET(_err, BGFX_SHADER_SPIRV_INVALID_INSTRUCTION, "SPIR-V: Invalid instruction.");
return size;
}
if (0 == _instruction.length)
{
return size;
}
const SpvOpcodeInfo& info = s_spvOpcodeInfo[_instruction.opcode];
_instruction.hasType = info.hasType;
_instruction.hasResult = info.hasResult;
if (info.hasType)
{
size += read(_reader, _instruction.type, _err);
}
else
{
_instruction.type = UINT32_MAX;
}
if (info.hasResult)
{
size += read(_reader, _instruction.result, _err);
}
else
{
_instruction.result = UINT32_MAX;
}
uint16_t currOp = 0;
switch (_instruction.opcode)
{
case SpvOpcode::EntryPoint:
_instruction.operand[currOp].type = info.operands[currOp];
size += read(_reader, _instruction.operand[currOp++], _err);
_instruction.operand[currOp].type = info.operands[currOp];
size += read(_reader, _instruction.operand[currOp++], _err);
_instruction.operand[currOp].type = info.operands[currOp];
size += read(_reader, _instruction.operand[currOp++], _err);
_instruction.operand[currOp].type = SpvOperand::Id;
for (uint32_t ii = 0, num = _instruction.length - size/4; ii < num; ++ii)
{
size += read(_reader, _instruction.operand[currOp], _err);
}
break;
default:
for (
; size/4 != _instruction.length
&& _err->isOk()
&& currOp < BX_COUNTOF(_instruction.operand)
; ++currOp)
{
_instruction.operand[currOp].type = info.operands[currOp];
size += read(_reader, _instruction.operand[currOp], _err);
}
break;
}
_instruction.numOperands = currOp;
return size;
}
int32_t write(bx::WriterI* _writer, const SpvInstruction& _instruction, bx::Error* _err)
{
int32_t size = 0;
BX_UNUSED(_writer, _instruction, _err);
return size;
}
int32_t toString(char* _out, int32_t _size, const SpvInstruction& _instruction)
{
int32_t size = 0;
if (_instruction.hasResult)
{
if (_instruction.hasType)
{
size += bx::snprintf(&_out[size], bx::uint32_imax(0, _size-size)
, " r%d.t%d = "
, _instruction.result
, _instruction.type
);
}
else
{
size += bx::snprintf(&_out[size], bx::uint32_imax(0, _size-size)
, " r%d = "
, _instruction.result
);
}
}
size += bx::snprintf(&_out[size], bx::uint32_imax(0, _size-size)
, "%s"
, getName(_instruction.opcode)
);
for (uint32_t ii = 0, num = _instruction.numOperands; ii < num; ++ii)
{
const SpvOperand& operand = _instruction.operand[ii];
switch (operand.type)
{
case SpvOperand::AddressingModel:
size += bx::snprintf(&_out[size], bx::uint32_imax(0, _size-size)
, "%sAddressingModel(%d)"
, 0 == ii ? " " : ", "
, operand.data
);
break;
case SpvOperand::Decoration:
size += bx::snprintf(&_out[size], bx::uint32_imax(0, _size-size)
, "%s%s"
, 0 == ii ? " " : ", "
, getName(SpvDecoration::Enum(operand.data) )
);
break;
case SpvOperand::FunctionControl:
size += bx::snprintf(&_out[size], bx::uint32_imax(0, _size-size)
, "%s0x%08x"
, 0 == ii ? " " : ", "
, operand.data
);
break;
case SpvOperand::LiteralNumber:
size += bx::snprintf(&_out[size], bx::uint32_imax(0, _size-size)
, "%s%d"
, 0 == ii ? " " : ", "
, operand.data
);
break;
case SpvOperand::LiteralString:
size += bx::snprintf(&_out[size], bx::uint32_imax(0, _size-size)
, "%s%s"
, 0 == ii ? " " : ", "
, operand.literalString.c_str()
);
break;
case SpvOperand::MemoryModel:
size += bx::snprintf(&_out[size], bx::uint32_imax(0, _size-size)
, "%sMemoryModel(%d)"
, 0 == ii ? " " : ", "
, operand.data
);
break;
case SpvOperand::StorageClass:
size += bx::snprintf(&_out[size], bx::uint32_imax(0, _size-size)
, "%s%s"
, 0 == ii ? " " : ", "
, getName(SpvStorageClass::Enum(operand.data) )
);
break;
case SpvOperand::Count:
size += bx::snprintf(&_out[size], bx::uint32_imax(0, _size-size)
, "%s__%d__"
, 0 == ii ? " " : ", "
, operand.data
);
break;
default:
size += bx::snprintf(&_out[size], bx::uint32_imax(0, _size-size)
, "%sr%d"
, 0 == ii ? " " : ", "
, operand.data
);
break;
}
}
return size;
}
int32_t read(bx::ReaderSeekerI* _reader, SpvShader& _shader, bx::Error* _err)
{
int32_t size = 0;
uint32_t numBytes = uint32_t(bx::getSize(_reader) - bx::seek(_reader) );
_shader.byteCode.resize(numBytes);
size += bx::read(_reader, _shader.byteCode.data(), numBytes, _err);
return size;
}
int32_t write(bx::WriterI* _writer, const SpvShader& _shader, bx::Error* _err)
{
int32_t size = 0;
BX_UNUSED(_writer, _shader, _err);
return size;
}
#define SPIRV_MAGIC 0x07230203
int32_t read(bx::ReaderSeekerI* _reader, SpirV& _spirv, bx::Error* _err)
{
BX_ERROR_SCOPE(_err);
int32_t size = 0;
size += bx::read(_reader, _spirv.header, _err);
if (!_err->isOk()
|| size != sizeof(SpirV::Header)
|| _spirv.header.magic != SPIRV_MAGIC
)
{
BX_ERROR_SET(_err, BGFX_SHADER_SPIRV_INVALID_HEADER, "SPIR-V: Invalid header.");
return size;
}
size += read(_reader, _spirv.shader, _err);
return size;
}
int32_t write(bx::WriterSeekerI* _writer, const SpirV& _spirv, bx::Error* _err)
{
int32_t size = 0;
BX_UNUSED(_writer, _spirv, _err);
return size;
}
void parse(const SpvShader& _src, SpvParseFn _fn, void* _userData, bx::Error* _err)
{
BX_ERROR_SCOPE(_err);
uint32_t numBytes = uint32_t(_src.byteCode.size() );
bx::MemoryReader reader(_src.byteCode.data(), numBytes);
for (uint32_t token = 0, numTokens = uint32_t(_src.byteCode.size() / sizeof(uint32_t) ); token < numTokens;)
{
SpvInstruction instruction;
uint32_t size = read(&reader, instruction, _err);
if (!_err->isOk() )
{
return;
}
if (size/4 != instruction.length)
{
BX_TRACE("read %d, expected %d, %s"
, size/4
, instruction.length
, getName(instruction.opcode)
);
BX_ERROR_SET(_err, BGFX_SHADER_SPIRV_INVALID_INSTRUCTION, "SPIR-V: Invalid instruction.");
return;
}
bool cont = _fn(token * sizeof(uint32_t), instruction, _userData);
if (!cont)
{
return;
}
token += instruction.length;
}
}
} // namespace bgfx