Files
UnrealEngine/Engine/Source/Runtime/VectorVM/Public/VectorVM.h
2025-05-18 13:04:45 +08:00

539 lines
38 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include <atomic>
#include "VectorVM.generated.h"
#if UE_BUILD_DEBUG
#define VM_FORCEINLINE FORCENOINLINE
#else
#define VM_FORCEINLINE FORCEINLINE
#endif
struct FRandomStream;
namespace VectorVM::Runtime
{
struct FVectorVMExecContext;
struct FVectorVMRuntimeContext;
struct FVectorVMState;
} // VectorVM::Runtime
//TODO: move to a per platform header and have VM scale vectorization according to vector width.
#define VECTOR_WIDTH (128)
#define VECTOR_WIDTH_BYTES (16)
#define VECTOR_WIDTH_FLOATS (4)
UENUM()
enum class EVectorVMBaseTypes : uint8
{
Float,
Int,
Bool,
Num UMETA(Hidden),
};
UENUM()
enum class EVectorVMOperandLocation : uint8
{
Register,
Constant,
Num
};
// OpCode Category #in #out dispatch, merge tbl offset, merge tbl count, int/float flags
#define VVM_OP_XM_LIST \
VVM_OP_XM( done , Other , 0 , 0 , done , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 0 */ \
VVM_OP_XM( add , Op , 2 , 1 , f , 0 , 2 , VVM_INS_PARAM_FFFFFF) /* 1 */ \
VVM_OP_XM( sub , Op , 2 , 1 , f , 2 , 3 , VVM_INS_PARAM_FFFFFF) /* 2 */ \
VVM_OP_XM( mul , Op , 2 , 1 , f , 5 , 8 , VVM_INS_PARAM_FFFFFF) /* 3 */ \
VVM_OP_XM( div , Op , 2 , 1 , f , 13 , 3 , VVM_INS_PARAM_FFFFFF) /* 4 */ \
VVM_OP_XM( mad , Op , 3 , 1 , f , 16 , 7 , VVM_INS_PARAM_FFFFFF) /* 5 */ \
VVM_OP_XM( lerp , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 6 */ \
VVM_OP_XM( rcp , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 7 */ \
VVM_OP_XM( rsq , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 8 */ \
VVM_OP_XM( sqrt , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 9 */ \
VVM_OP_XM( neg , Op , 1 , 1 , f , 23 , 1 , VVM_INS_PARAM_FFFFFF) /* 10 */ \
VVM_OP_XM( abs , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 11 */ \
VVM_OP_XM( exp , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 12 */ \
VVM_OP_XM( exp2 , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 13 */ \
VVM_OP_XM( log , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 14 */ \
VVM_OP_XM( log2 , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 15 */ \
VVM_OP_XM( sin , Op , 1 , 1 , f , 24 , 1 , VVM_INS_PARAM_FFFFFF) /* 16 */ \
VVM_OP_XM( cos , Op , 1 , 1 , f , 25 , 1 , VVM_INS_PARAM_FFFFFF) /* 17 */ \
VVM_OP_XM( tan , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 18 */ \
VVM_OP_XM( asin , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 19 */ \
VVM_OP_XM( acos , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 20 */ \
VVM_OP_XM( atan , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 21 */ \
VVM_OP_XM( atan2 , Op , 2 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 22 */ \
VVM_OP_XM( ceil , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 23 */ \
VVM_OP_XM( floor , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 24 */ \
VVM_OP_XM( fmod , Op , 2 , 1 , f , 26 , 1 , VVM_INS_PARAM_FFFFFF) /* 25 */ \
VVM_OP_XM( frac , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 26 */ \
VVM_OP_XM( trunc , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 27 */ \
VVM_OP_XM( clamp , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 28 */ \
VVM_OP_XM( min , Op , 2 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 29 */ \
VVM_OP_XM( max , Op , 2 , 1 , f , 27 , 1 , VVM_INS_PARAM_FFFFFF) /* 30 */ \
VVM_OP_XM( pow , Op , 2 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 31 */ \
VVM_OP_XM( round , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 32 */ \
VVM_OP_XM( sign , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 33 */ \
VVM_OP_XM( step , Op , 2 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 34 */ \
VVM_OP_XM( random , Op , 1 , 1 , null , 28 , 2 , VVM_INS_PARAM_FFFFFF) /* 35 */ \
VVM_OP_XM( noise , Op , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 36 */ \
VVM_OP_XM( cmplt , Op , 2 , 1 , f , 30 , 3 , VVM_INS_PARAM_FFFIFF) /* 37 */ \
VVM_OP_XM( cmple , Op , 2 , 1 , f , 33 , 3 , VVM_INS_PARAM_FFFIFF) /* 38 */ \
VVM_OP_XM( cmpgt , Op , 2 , 1 , f , 36 , 2 , VVM_INS_PARAM_FFFIFF) /* 39 */ \
VVM_OP_XM( cmpge , Op , 2 , 1 , f , 38 , 2 , VVM_INS_PARAM_FFFIFF) /* 40 */ \
VVM_OP_XM( cmpeq , Op , 2 , 1 , f , 40 , 3 , VVM_INS_PARAM_FFFIFF) /* 41 */ \
VVM_OP_XM( cmpneq , Op , 2 , 1 , f , 43 , 2 , VVM_INS_PARAM_FFFIFF) /* 42 */ \
VVM_OP_XM( select , Op , 3 , 1 , f , 45 , 2 , VVM_INS_PARAM_FFFFFI) /* 43 */ \
VVM_OP_XM( addi , Op , 2 , 1 , i , 47 , 2 , VVM_INS_PARAM_FFIIII) /* 44 */ \
VVM_OP_XM( subi , Op , 2 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 45 */ \
VVM_OP_XM( muli , Op , 2 , 1 , i , 49 , 1 , VVM_INS_PARAM_FFIIII) /* 46 */ \
VVM_OP_XM( divi , Op , 2 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 47 */ \
VVM_OP_XM( clampi , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 48 */ \
VVM_OP_XM( mini , Op , 2 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 49 */ \
VVM_OP_XM( maxi , Op , 2 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 50 */ \
VVM_OP_XM( absi , Op , 1 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 51 */ \
VVM_OP_XM( negi , Op , 1 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 52 */ \
VVM_OP_XM( signi , Op , 1 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 53 */ \
VVM_OP_XM( randomi , Op , 1 , 1 , null , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 54 */ \
VVM_OP_XM( cmplti , Op , 2 , 1 , i , 50 , 3 , VVM_INS_PARAM_FFIIII) /* 55 */ \
VVM_OP_XM( cmplei , Op , 2 , 1 , i , 53 , 3 , VVM_INS_PARAM_FFIIII) /* 56 */ \
VVM_OP_XM( cmpgti , Op , 2 , 1 , i , 59 , 2 , VVM_INS_PARAM_FFIIII) /* 57 */ \
VVM_OP_XM( cmpgei , Op , 2 , 1 , i , 61 , 2 , VVM_INS_PARAM_FFIIII) /* 58 */ \
VVM_OP_XM( cmpeqi , Op , 2 , 1 , i , 56 , 3 , VVM_INS_PARAM_FFIIII) /* 59 */ \
VVM_OP_XM( cmpneqi , Op , 2 , 1 , i , 63 , 2 , VVM_INS_PARAM_FFIIII) /* 60 */ \
VVM_OP_XM( bit_and , Op , 2 , 1 , i , 65 , 1 , VVM_INS_PARAM_FFIIII) /* 61 */ \
VVM_OP_XM( bit_or , Op , 2 , 1 , i , 66 , 1 , VVM_INS_PARAM_FFIIII) /* 62 */ \
VVM_OP_XM( bit_xor , Op , 2 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 63 */ \
VVM_OP_XM( bit_not , Op , 1 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 64 */ \
VVM_OP_XM( bit_lshift , Op , 2 , 1 , i , 67 , 1 , VVM_INS_PARAM_FFIIII) /* 65 */ \
VVM_OP_XM( bit_rshift , Op , 2 , 1 , i , 68 , 1 , VVM_INS_PARAM_FFIIII) /* 66 */ \
VVM_OP_XM( logic_and , Op , 2 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 67 */ \
VVM_OP_XM( logic_or , Op , 2 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 68 */ \
VVM_OP_XM( logic_xor , Op , 2 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 69 */ \
VVM_OP_XM( logic_not , Op , 1 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 70 */ \
VVM_OP_XM( f2i , Op , 1 , 1 , i , 74 , 3 , VVM_INS_PARAM_FFFFFI) /* 71 */ \
VVM_OP_XM( i2f , Op , 1 , 1 , f , 69 , 5 , VVM_INS_PARAM_FFFFIF) /* 72 */ \
VVM_OP_XM( f2b , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFI) /* 73 */ \
VVM_OP_XM( b2f , Op , 1 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFIF) /* 74 */ \
VVM_OP_XM( i2b , Op , 1 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFFFII) /* 75 */ \
VVM_OP_XM( b2i , Op , 1 , 1 , i , 77 , 1 , VVM_INS_PARAM_FFFFII) /* 76 */ \
VVM_OP_XM( inputdata_float , Input , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 77 */ \
VVM_OP_XM( inputdata_int32 , Input , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 78 */ \
VVM_OP_XM( inputdata_half , Input , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 79 */ \
VVM_OP_XM( inputdata_noadvance_float , Input , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 80 */ \
VVM_OP_XM( inputdata_noadvance_int32 , Input , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 81 */ \
VVM_OP_XM( inputdata_noadvance_half , Input , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 82 */ \
VVM_OP_XM( outputdata_float , Output , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFI) /* 83 */ \
VVM_OP_XM( outputdata_int32 , Output , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFIII) /* 84 */ \
VVM_OP_XM( outputdata_half , Output , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFI) /* 85 */ \
VVM_OP_XM( acquireindex , IndexGen , 1 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFII) /* 86 */ \
VVM_OP_XM( external_func_call , ExtFnCall , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 87 */ \
VVM_OP_XM( exec_index , Op , 1 , 1 , null , 78 , 2 , VVM_INS_PARAM_FFFFFI) /* 88 */ \
VVM_OP_XM( noise2D , Other , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 89 */ \
VVM_OP_XM( noise3D , Other , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 90 */ \
VVM_OP_XM( enter_stat_scope , Stat , 1 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 91 */ \
VVM_OP_XM( exit_stat_scope , Stat , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 92 */ \
VVM_OP_XM( update_id , RWBuffer , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 93 */ \
VVM_OP_XM( acquire_id , RWBuffer , 1 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 94 */ \
VVM_OP_XM( half_to_float , Op , 1 , 1 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 95 */ \
VVM_OP_XM( fasi , Op , 1 , 1 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 96 */ \
VVM_OP_XM( iasf , Op , 1 , 1 , null , 0 , 0 , VVM_INS_PARAM_FFFFFI) /* 97 */ \
/* Merged ops -- combined ops that show up frequently together in Fornite. There are three types: */ \
/* 1. exec_index that get immediately fed into an add or i2f */ \
/* 2. ops with identical inputs */ \
/* 3. ops where the output of one chain to the next.. ie a mul that feeds directly into a sub */ \
VVM_OP_XM( exec_indexf , Op , 1 , 1 , null , 0 , 0 , VVM_INS_PARAM_FFIIIF) /* 98 */ \
VVM_OP_XM( exec_index_addi , Op , 1 , 1 , null , 0 , 0 , VVM_INS_PARAM_FFIIII) /* 99 */ \
VVM_OP_XM( cmplt_select , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 100 */ \
VVM_OP_XM( cmple_select , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 101 */ \
VVM_OP_XM( cmpeq_select , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 102 */ \
VVM_OP_XM( cmplti_select , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FIIFFF) /* 103 */ \
VVM_OP_XM( cmplei_select , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FIIFFF) /* 104 */ \
VVM_OP_XM( cmpeqi_select , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FIIFFF) /* 105 */ \
VVM_OP_XM( cmplt_logic_and , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFII) /* 106 */ \
VVM_OP_XM( cmple_logic_and , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFII) /* 107 */ \
VVM_OP_XM( cmpgt_logic_and , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFII) /* 108 */ \
VVM_OP_XM( cmpge_logic_and , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFII) /* 109 */ \
VVM_OP_XM( cmpeq_logic_and , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFII) /* 110 */ \
VVM_OP_XM( cmpne_logic_and , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFII) /* 111 */ \
VVM_OP_XM( cmplti_logic_and , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FIIFII) /* 112 */ \
VVM_OP_XM( cmplei_logic_and , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FIIFII) /* 113 */ \
VVM_OP_XM( cmpgti_logic_and , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FIIFII) /* 114 */ \
VVM_OP_XM( cmpgei_logic_and , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FIIFIF) /* 115 */ \
VVM_OP_XM( cmpeqi_logic_and , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FIIFIF) /* 116 */ \
VVM_OP_XM( cmpnei_logic_and , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FIIFIF) /* 117 */ \
VVM_OP_XM( cmplt_logic_or , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 118 */ \
VVM_OP_XM( cmple_logic_or , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 119 */ \
VVM_OP_XM( cmpgt_logic_or , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 120 */ \
VVM_OP_XM( cmpge_logic_or , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 121 */ \
VVM_OP_XM( cmpeq_logic_or , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 122 */ \
VVM_OP_XM( cmpne_logic_or , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 123 */ \
VVM_OP_XM( cmplti_logic_or , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FIIFFF) /* 124 */ \
VVM_OP_XM( cmplei_logic_or , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FIIFFF) /* 125 */ \
VVM_OP_XM( cmpgti_logic_or , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FIIFFF) /* 126 */ \
VVM_OP_XM( cmpgei_logic_or , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FIIFFF) /* 127 */ \
VVM_OP_XM( cmpeqi_logic_or , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FIIFFF) /* 128 */ \
VVM_OP_XM( cmpnei_logic_or , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FIIFFF) /* 129 */ \
VVM_OP_XM( mad_add , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 130 */ \
VVM_OP_XM( mad_sub0 , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 131 */ \
VVM_OP_XM( mad_sub1 , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 132 */ \
VVM_OP_XM( mad_mul , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 133 */ \
VVM_OP_XM( mad_sqrt , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 134 */ \
VVM_OP_XM( mad_mad0 , Op , 5 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 135 */ \
VVM_OP_XM( mad_mad1 , Op , 5 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 136 */ \
VVM_OP_XM( mul_mad0 , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 137 */ \
VVM_OP_XM( mul_mad1 , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 138 */ \
VVM_OP_XM( mul_add , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 139 */ \
VVM_OP_XM( mul_sub0 , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 140 */ \
VVM_OP_XM( mul_sub1 , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 141 */ \
VVM_OP_XM( mul_mul , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 142 */ \
VVM_OP_XM( mul_max , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 143 */ \
VVM_OP_XM( mul_2x , Op , 2 , 2 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 144 */ \
VVM_OP_XM( add_mad1 , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 145 */ \
VVM_OP_XM( add_add , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 146 */ \
VVM_OP_XM( sub_cmplt1 , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFIFFF) /* 147 */ \
VVM_OP_XM( sub_neg , Op , 2 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 148 */ \
VVM_OP_XM( sub_mul , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 149 */ \
VVM_OP_XM( div_mad0 , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 150 */ \
VVM_OP_XM( div_f2i , Op , 2 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFFFFI) /* 151 */ \
VVM_OP_XM( div_mul , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 152 */ \
VVM_OP_XM( muli_addi , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_IIIIII) /* 153 */ \
VVM_OP_XM( addi_bit_rshift , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_IIIIII) /* 154 */ \
VVM_OP_XM( addi_muli , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_IIIIII) /* 155 */ \
VVM_OP_XM( b2i_2x , Op , 1 , 2 , i , 0 , 0 , VVM_INS_PARAM_IIIIII) /* 156 */ \
VVM_OP_XM( i2f_div0 , Op , 2 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 157 */ \
VVM_OP_XM( i2f_div1 , Op , 2 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 158 */ \
VVM_OP_XM( i2f_mul , Op , 2 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 159 */ \
VVM_OP_XM( i2f_mad0 , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 160 */ \
VVM_OP_XM( i2f_mad1 , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 161 */ \
VVM_OP_XM( f2i_select1 , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_IIFIII) /* 162 */ \
VVM_OP_XM( f2i_maxi , Op , 2 , 1 , i , 0 , 0 , VVM_INS_PARAM_IIIFII) /* 163 */ \
VVM_OP_XM( f2i_addi , Op , 2 , 1 , i , 0 , 0 , VVM_INS_PARAM_IIIFII) /* 164 */ \
VVM_OP_XM( fmod_add , Op , 3 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 165 */ \
VVM_OP_XM( bit_and_i2f , Op , 2 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 166 */ \
VVM_OP_XM( bit_rshift_bit_and , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 167 */ \
VVM_OP_XM( neg_cmplt , Op , 2 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 168 */ \
VVM_OP_XM( bit_or_muli , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 169 */ \
VVM_OP_XM( bit_lshift_bit_or , Op , 3 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 170 */ \
VVM_OP_XM( random_add , Op , 2 , 1 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 171 */ \
VVM_OP_XM( random_2x , Op , 1 , 2 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 172 */ \
VVM_OP_XM( max_f2i , Op , 2 , 1 , i , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 173 */ \
VVM_OP_XM( select_mul , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 174 */ \
VVM_OP_XM( select_add , Op , 4 , 1 , f , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 175 */ \
VVM_OP_XM( sin_cos , Op , 1 , 2 , null , 0 , 0 , VVM_INS_PARAM_FFFFFF) /* 176 */ \
VVM_OP_XM( outputdata_float_from_half , Output , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFI) /* 177 */ \
VVM_OP_XM( outputdata_half_from_half , Output , 0 , 0 , null , 0 , 0 , VVM_INS_PARAM_FFFFFI) /* 178 */
#define VVM_OP_XM(n, ...) n,
enum class EVectorVMOp : uint8
{
VVM_OP_XM_LIST
NumOpcodes
};
#undef VVM_OP_XM
//TODO:
//All of this stuff can be handled by the VM compiler rather than dirtying the VM code.
//Some require RWBuffer like support.
struct FDataSetMeta
{
using FInputRegisterView = TArrayView<uint8 const* RESTRICT const>;
using FOutputRegisterView = TArrayView<uint8* RESTRICT const>;
FInputRegisterView InputRegisters;
FOutputRegisterView OutputRegisters;
uint32 InputRegisterTypeOffsets[3];
uint32 OutputRegisterTypeOffsets[3];
int32 DataSetAccessIndex = INDEX_NONE; // index for individual elements of this set
int32 InstanceOffset = INDEX_NONE; // offset of the first instance processed
TArray<int32>* RESTRICT IDTable = nullptr;
TArray<int32>* RESTRICT FreeIDTable = nullptr;
TArray<int32>* RESTRICT SpawnedIDsTable = nullptr;
/** Number of free IDs in the FreeIDTable */
int32* NumFreeIDs = nullptr;
/** MaxID used in this execution. */
int32* MaxUsedID = nullptr;
int32 *NumSpawnedIDs = nullptr;
int32 IDAcquireTag = INDEX_NONE;
FDataSetMeta() = default;
VM_FORCEINLINE void Reset()
{
InputRegisters = FInputRegisterView();
OutputRegisters = FOutputRegisterView();
DataSetAccessIndex = INDEX_NONE;
InstanceOffset = INDEX_NONE;
IDTable = nullptr;
FreeIDTable = nullptr;
SpawnedIDsTable = nullptr;
NumFreeIDs = nullptr;
MaxUsedID = nullptr;
IDAcquireTag = INDEX_NONE;
}
VM_FORCEINLINE void Init(FInputRegisterView InInputRegisters, FOutputRegisterView InOutputRegisters, int32 InInstanceOffset, TArray<int32>* InIDTable, TArray<int32>* InFreeIDTable, int32* InNumFreeIDs, int32 *InNumSpawnedIDs, int32* InMaxUsedID, int32 InIDAcquireTag, TArray<int32>* InSpawnedIDsTable)
{
InputRegisters = InInputRegisters;
OutputRegisters = InOutputRegisters;
DataSetAccessIndex = INDEX_NONE;
InstanceOffset = InInstanceOffset;
IDTable = InIDTable;
FreeIDTable = InFreeIDTable;
NumFreeIDs = InNumFreeIDs;
NumSpawnedIDs = InNumSpawnedIDs;
MaxUsedID = InMaxUsedID;
IDAcquireTag = InIDAcquireTag;
SpawnedIDsTable = InSpawnedIDsTable;
}
private:
// Non-copyable and non-movable
FDataSetMeta(FDataSetMeta&&) = delete;
FDataSetMeta(const FDataSetMeta&) = delete;
FDataSetMeta& operator=(FDataSetMeta&&) = delete;
FDataSetMeta& operator=(const FDataSetMeta&) = delete;
};
class FVectorVMExternalFunctionContext
{
public:
MS_ALIGN(32) uint32** RegisterData GCC_ALIGN(32);
uint8* RegInc;
int RegReadCount;
int NumRegisters;
int StartInstance;
int NumInstances;
int NumLoops;
int PerInstanceFnInstanceIdx;
void** UserPtrTable;
int NumUserPtrs;
FRandomStream* RandStream;
int32** RandCounters;
TArrayView<FDataSetMeta> DataSets;
VM_FORCEINLINE int32 GetStartInstance() const { return StartInstance; }
VM_FORCEINLINE int32 GetNumInstances() const { return NumInstances; }
VM_FORCEINLINE int32* GetRandCounters()
{
if (!*RandCounters)
{
*RandCounters = (int*)FMemory::MallocZeroed(sizeof(int32) * NumInstances);
}
return *RandCounters;
}
VM_FORCEINLINE FRandomStream& GetRandStream() { return *RandStream; }
VM_FORCEINLINE void* GetUserPtrTable(int32 UserPtrIdx) { check(UserPtrIdx < NumUserPtrs); return UserPtrTable[UserPtrIdx]; }
template<uint32 InstancesPerOp> VM_FORCEINLINE int32 GetNumLoops() const { static_assert(InstancesPerOp == 4); return NumLoops; };
VM_FORCEINLINE float* GetNextRegister(int32* OutAdvanceOffset)
{
check(RegReadCount < NumRegisters);
*OutAdvanceOffset = RegInc[RegReadCount];
return (float*)RegisterData[RegReadCount++];
}
};
DECLARE_DELEGATE_OneParam(FVMExternalFunction, FVectorVMExternalFunctionContext& /*Context*/);
struct FVectorVMExtFunctionData
{
const FVMExternalFunction* Function;
int32 NumInputs;
int32 NumOutputs;
};
namespace VectorVM
{
/** Get total number of op-codes */
VECTORVM_API uint8 GetNumOpCodes();
#if WITH_EDITOR
VECTORVM_API FString GetOpName(EVectorVMOp Op);
VECTORVM_API FString GetOperandLocationName(EVectorVMOperandLocation Location);
#endif
VECTORVM_API uint8 CreateSrcOperandMask(EVectorVMOperandLocation Type0, EVectorVMOperandLocation Type1 = EVectorVMOperandLocation::Register, EVectorVMOperandLocation Type2 = EVectorVMOperandLocation::Register);
#if STATS
struct FStatScopeData
{
TStatId StatId;
std::atomic<uint64> ExecutionCycleCount = { 0 };
FStatScopeData(TStatId InStatId)
: StatId(InStatId)
{
}
FStatScopeData(const FStatScopeData& InObj)
: StatId(InObj.StatId)
{
ExecutionCycleCount.store(InObj.ExecutionCycleCount.load());
}
};
#endif // STATS
VECTORVM_API void Init();
#define VVM_EXT_FUNC_INPUT_LOC_BIT (unsigned short)(1<<15)
#define VVM_EXT_FUNC_INPUT_LOC_MASK (unsigned short)~VVM_EXT_FUNC_INPUT_LOC_BIT
template<typename T>
struct FUserPtrHandler
{
int32 UserPtrIdx;
T* Ptr;
FUserPtrHandler(FVectorVMExternalFunctionContext& Context)
{
int32 AdvanceOffset;
int32* ConstPtr = (int32*)Context.GetNextRegister(&AdvanceOffset);
check(AdvanceOffset == 0); //must be constant
UserPtrIdx = *ConstPtr;
check(UserPtrIdx != INDEX_NONE);
Ptr = (T*)Context.GetUserPtrTable(UserPtrIdx);
}
VM_FORCEINLINE T* Get() { return Ptr; }
VM_FORCEINLINE T* operator->() { return Ptr; }
VM_FORCEINLINE operator T*() { return Ptr; }
VM_FORCEINLINE const T* Get() const { return Ptr; }
VM_FORCEINLINE const T* operator->() const { return Ptr; }
VM_FORCEINLINE operator const T* () const { return Ptr; }
};
// A flexible handler that can deal with either constant or register inputs.
template<typename T>
struct FExternalFuncInputHandler
{
private:
/** Either byte offset into constant table or offset into register table deepening on VVM_INPUT_LOCATION_BIT */
const T* RESTRICT InputPtr = nullptr;
const T* RESTRICT StartPtr = nullptr;
int32 AdvanceOffset = 0;
public:
FExternalFuncInputHandler() = default;
VM_FORCEINLINE FExternalFuncInputHandler(FVectorVMExternalFunctionContext& Context)
{
Init(Context);
}
void Init(FVectorVMExternalFunctionContext& Context)
{
InputPtr = (T*)Context.GetNextRegister(&AdvanceOffset);
InputPtr += Context.PerInstanceFnInstanceIdx * AdvanceOffset;
StartPtr = InputPtr;
}
VM_FORCEINLINE bool IsConstant() const { return !IsRegister(); }
VM_FORCEINLINE bool IsRegister() const { return AdvanceOffset > 0; }
VM_FORCEINLINE void Reset(){ InputPtr = StartPtr; }
VM_FORCEINLINE const T Get() { return *InputPtr; }
VM_FORCEINLINE const T* GetDest() { return InputPtr; }
VM_FORCEINLINE void Advance(int32 Count=1) { InputPtr += AdvanceOffset * Count; }
VM_FORCEINLINE const T GetAndAdvance()
{
const T* Ret = InputPtr;
InputPtr += AdvanceOffset;
return *Ret;
}
VM_FORCEINLINE const T* GetDestAndAdvance()
{
const T* Ret = InputPtr;
InputPtr += AdvanceOffset;
return Ret;
}
};
template<typename T>
struct FExternalFuncRegisterHandler
{
private:
T* RESTRICT Register = nullptr;
int32 AdvanceOffset = 0;
public:
FExternalFuncRegisterHandler(FVectorVMExternalFunctionContext& Context)
{
Register = (T*)Context.GetNextRegister(&AdvanceOffset);
//Hack: Offset into the buffer by the instance offset.
Register += Context.PerInstanceFnInstanceIdx * AdvanceOffset;
}
VM_FORCEINLINE bool IsValid() const { return AdvanceOffset > 0; }
VM_FORCEINLINE const T Get() { return *Register; }
VM_FORCEINLINE T* GetDest() { return Register; }
VM_FORCEINLINE void Advance() { Register += AdvanceOffset; }
VM_FORCEINLINE void Advance(int32 Count) { Register += AdvanceOffset * Count; }
VM_FORCEINLINE const T GetAndAdvance()
{
T* Ret = Register;
Register += AdvanceOffset;
return *Ret;
}
VM_FORCEINLINE T* GetDestAndAdvance()
{
T* Ret = Register;
Register += AdvanceOffset;
return Ret;
}
};
template<typename T>
struct FExternalFuncConstHandler
{
T Constant;
FExternalFuncConstHandler(FVectorVMExternalFunctionContext& Context)
{
int32 AdvanceOffset;
const T* Register = (const T*)Context.GetNextRegister(&AdvanceOffset);
Register += Context.PerInstanceFnInstanceIdx * AdvanceOffset;
Constant = *Register;
}
VM_FORCEINLINE const T& Get() { return Constant; }
VM_FORCEINLINE const T& GetAndAdvance() { return Constant; }
VM_FORCEINLINE void Advance() { }
};
enum EVectorVMFlags
{
VVMFlag_OptSaveIntermediateState = 1 << 0,
VVMFlag_OptOmitStats = 1 << 1,
VVMFlag_LargeScript = 1 << 2, //if true register indices are 16 bit, otherwise they're 8 bit
VVMFlag_HasRandInstruction = 1 << 3,
VVMFlag_DataMapCacheSetup = 1 << 4,
};
} // namespace VectorVM