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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "ShaderTypesEnum.h"
#include "ShaderTypesConst.h"
#include "SurfaceFormats.h"
#include "usc_config.h"
/*****************************************************************************
MACRO: BITCOUNT
// returns count of bits required to store set of (v) values in range <0;v-1>
*****************************************************************************/
#ifndef BITCOUNT
#define BITCOUNT(v) (((v)-1U)<65536U?((v)-1U)<256U?((v)-1U)<16U?((v)-1U)<4U?((v)-1U)<2U?1:2:((v)-1U)<\
8U?3:4:((v)-1U)<64U?((v)-1U)<32U?5:6:((v)-1U)<128U?7:8:((v)-1U)<4096U?((v)-1U)<1024U?((v)-1U)<512U?9:10\
:((v)-1U)<2048U?11:12:((v)-1U)<(1U<<14U)?((v)-1U)<8192U?13:14:((v)-1U)<32768U?15:16:((v)-1U)<(1U<<24U)\
?((v)-1U)<(1U<<20U)?((v)-1U)<262144U?((v)-1U)<131072U?17:18:((v)-1U)<524288U?19:20:((v)-1U)<(1U<<22U)?\
((v)-1U)<(1U<<21U)?21:22:((v)-1U)<(1U<<23U)?23:24:((v)-1U)<(1U<<28U)?((v)-1U)<(1U<<26U)?((v)-1U)<(1U<<25U\
)?25:26:((v)-1U)<(1U<<27U)?27:28:((v)-1U)<(1U<<30U)?((v)-1U)<(1U<<29U)?29:30:((v)-1U)<(1U<<31U)?31:32)
#endif
/*****************************************************************************\
compile-time USC_API_C_ASSERT
\*****************************************************************************/
#ifndef USC_API_C_ASSERT
#define USC_API_C_ASSERT(e) typedef char __C_ASSERT__[(e)?1:-1]
#endif
// verify that unsigned int is 32-bit
USC_API_C_ASSERT( sizeof( unsigned int )==4 );
namespace USC
{
/*****************************************************************************\
ENUM: Needed for Shader serialization and DeepCopy. Indicates which operation
should be performed.
\*****************************************************************************/
enum IL_OP_TYPE
{
IL_OP_DEEP_COPY,
IL_OP_READ_FROM_STREAM,
IL_OP_WRITE_TO_STREAM,
IL_OP_COUNT_WRITE_BYTES
};
/*****************************************************************************\
ENUM: Needed for Shader serialization and DeepCopy of non trivial declarations.
Indicates which declaration type should be processed.
\*****************************************************************************/
enum IL_DECL_TYPE
{
IL_DECL_FUNCTION_TABLE,
IL_DECL_INTERFACE
};
/*****************************************************************************\
ENUM: SHADER_OPERAND_PRECISION
\*****************************************************************************/
enum SHADER_OPERAND_PRECISION
{
SHADER_OPERAND_PRECISION_DEFAULT = 0,
SHADER_OPERAND_PRECISION_16 = 1, // for floats and signed int
SHADER_OPERAND_PRECISION_8 = 2, // for signed int
NUM_SHADER_OPERAND_PRECISIONS
};
/*****************************************************************************\
operator: < for SHADER_OPERAND_PRECISION
\*****************************************************************************/
inline bool isOfLesserPrec( SHADER_OPERAND_PRECISION precLesser, SHADER_OPERAND_PRECISION precGreater )
{
// intentionally reversed
return static_cast<unsigned int>( precLesser ) > static_cast<unsigned int>( precGreater );
}
/*****************************************************************************\
Function:
MinPrec
Description:
Returns lesser of two given operand precisions. Logically lesser precision
(e.g. 8 bit is less than 16 bit, which is less than default 32 bit) means
greater value of enum SHADER_OPERAND_PRECISION.
Input:
SHADER_OPERAND_PRECISION lhsPrec - First precision.
SHADER_OPERAND_PRECISION rhsPrec - Second precision.
Output:
SHADER_OPERAND_PRECISION - Result precision.
\*****************************************************************************/
inline SHADER_OPERAND_PRECISION MinPrec(
SHADER_OPERAND_PRECISION lhsPrec,
SHADER_OPERAND_PRECISION rhsPrec )
{
return isOfLesserPrec( lhsPrec, rhsPrec ) ? lhsPrec : rhsPrec;
}
/*****************************************************************************\
Function:
MaxPrec
Description:
Returns greater of two given operand precisions. Logically greater precision
(e.g. default 32 bit is greater than 16 bit, which is greater than 8 bit)
means lesser value of enum SHADER_OPERAND_PRECISION.
Input:
SHADER_OPERAND_PRECISION lhsPrec - First precision.
SHADER_OPERAND_PRECISION rhsPrec - Second precision.
Output:
SHADER_OPERAND_PRECISION - Result precision.
\*****************************************************************************/
inline SHADER_OPERAND_PRECISION MaxPrec(
SHADER_OPERAND_PRECISION lhsPrec,
SHADER_OPERAND_PRECISION rhsPrec )
{
return isOfLesserPrec( lhsPrec, rhsPrec ) ? rhsPrec : lhsPrec;
}
/*****************************************************************************\
STRUCT: SShaderResourceDeclType
\*****************************************************************************/
struct SShaderSamplerDeclType
{
unsigned int SamplerType : BITCOUNT( IGC::NUM_SHADER_SAMPLER_TYPES );
unsigned int LBound; // IGC::SHADER_VERSION_4_0
unsigned int UBound; // IGC::SHADER_VERSION_4_0
unsigned int Space; // IGC::SHADER_VERSION_4_0
};
/*****************************************************************************\
STRUCT: SShaderResourceDeclType
\*****************************************************************************/
struct SShaderResourceDeclType
{
unsigned int ResourceType : BITCOUNT( IGC::NUM_SHADER_RESOURCE_TYPES );
unsigned int SurfaceFormat : BITCOUNT( IGC::NUM_SURFACE_FORMATS );
unsigned int UAVAccessMode : BITCOUNT( IGC::NUM_SHADER_UAV_ACCESS_MODES );
unsigned int ReturnType : BITCOUNT( IGC::NUM_SHADER_RESOURCE_RETURN_TYPES );
unsigned int AccessCoherency : 1;
unsigned int RasterizerOrdered : 1;
unsigned int IsVariable : 1;
unsigned int Stride;
unsigned int ByteOrStructCount;
unsigned int Offset;
unsigned int Alignment;
unsigned int LBound; // IGC::SHADER_VERSION_4_0
unsigned int UBound; // IGC::SHADER_VERSION_4_0
unsigned int Space; // IGC::SHADER_VERSION_4_0
};
/*****************************************************************************\
STRUCT: SShaderConstantBufferDeclType
\*****************************************************************************/
struct SShaderConstantBufferDeclType
{
unsigned int LBound; // IGC::SHADER_VERSION_4_0
unsigned int UBound; // IGC::SHADER_VERSION_4_0
unsigned int Space; // IGC::SHADER_VERSION_4_0
unsigned int Size; // IGC::SHADER_VERSION_4_0. Count of 16-byte vectors. 0 if not known.
};
/*****************************************************************************\
STRUCT: SShaderInputDeclType
\*****************************************************************************/
struct SShaderInputDeclType
{
unsigned int Mask : IGC::NUM_SHADER_CHANNELS;
unsigned int InterpolationMode : BITCOUNT( IGC::NUM_SHADER_INTERPOLATION_MODES );
unsigned int IsIndexed : 1;
union
{
struct
{
unsigned int X : 1;
unsigned int Y : 1;
unsigned int Z : 1;
unsigned int W : 1;
} Channel;
unsigned int Value : IGC::NUM_SHADER_CHANNELS;
} PrimIDMask;
unsigned char Usage[IGC::NUM_SHADER_CHANNELS];
unsigned char UsageIndex[IGC::NUM_SHADER_CHANNELS];
bool HasUsesFullPrecision[IGC::NUM_SHADER_CHANNELS];
bool HasUsesLowPrecision[IGC::NUM_SHADER_CHANNELS];
};
/*****************************************************************************\
STRUCT: SShaderOutputDeclType
\*****************************************************************************/
struct SShaderOutputDeclType
{
unsigned int Mask : IGC::NUM_SHADER_CHANNELS;
unsigned int IsIndexed : 1;
unsigned int IsInvariant : 1;
unsigned char Usage[IGC::NUM_SHADER_CHANNELS];
unsigned char UsageIndex[IGC::NUM_SHADER_CHANNELS];
};
/*****************************************************************************\
STRUCT: SShaderOpcodeCaps
\*****************************************************************************/
struct SShaderOpcodeCaps
{
IGC::SHADER_OPCODE opcode;
IGC::SHADER_VERSION_TYPE Version;
bool SupportsPredicate;
bool SupportsResource;
bool SupportsComparison;
bool SupportsConditional;
};
/*****************************************************************************\
STRUCT: SCallSiteUsage
\*****************************************************************************/
struct SCallSiteUsage
{
unsigned int usageCnt : 16;
unsigned int tramIndex : 16;
};
USC_API_C_ASSERT( sizeof(SCallSiteUsage) == sizeof(unsigned int) );
/*****************************************************************************\
STRUCT: SShaderInterfaceDeclType
\*****************************************************************************/
struct SShaderInterfaceDeclType
{
unsigned int originalID : 8; // max 253 interfaces allowed
unsigned int arraySize : 8; // can't have more instances than max number of interfaces
unsigned int numCallSites : 16; // max number of call sites is 4096
unsigned int numFunctionTables;
unsigned int* pFunctionTables;
unsigned int* pTargets;
SCallSiteUsage* pCallSitesUsage; // Call sites usage / trampoline indices
unsigned int constantBufferOffset; // Offset for interface jump table in CB
unsigned int* pInternalBuffer; // this is for function tables and call targets storage
};
/*****************************************************************************\
STRUCT: SShaderFunctionTableDeclType
\*****************************************************************************/
struct SShaderFunctionTableDeclType
{
unsigned int numFunctionBodies;
unsigned int* pFunctionBodies;
unsigned int* pJumpOffsets;
unsigned int* pInternalBuffer;
};
/*****************************************************************************\
STRUCT: SVFuncCallOffsets
Description:
Structure stores offsets to a single virtual function for multiple
dispatch modes.
\*****************************************************************************/
struct SVFuncCallOffsets
{
unsigned int m_Simd8Offset;
unsigned int m_Simd16Offset;
unsigned int m_Simd32Offset;
};
/*****************************************************************************\
STRUCT: SOfflineCompileData
Description:
Offline compilation data
\*****************************************************************************/
struct SOfflineCompileData
{
void* pProgramData;
unsigned int programSize;
struct _Common
{
unsigned int BindingTableCount;
} Common;
struct _PS
{
bool ReqBarycentricPerspectivePixelLocation;
bool ReqBarycentricPerspectiveCentroid;
bool ReqBarycentricPerspectiveSample;
bool ReqBarycentricNonPerspectivePixelLocation;
bool ReqBarycentricNonPerspectiveCentroid;
bool ReqBarycentricNonPerspectiveSample;
bool CompiledFor32PixelDispatch;
bool CompiledFor16PixelDispatch;
bool CompiledFor8PixelDispatch;
unsigned int SIMD32ProgramSize;
unsigned int SIMD16ProgramSize;
unsigned int SIMD8ProgramSize;
unsigned int SIMD32DispatchGRFStartRegister;
unsigned int SIMD16DispatchGRFStartRegister;
unsigned int SIMD8DispatchGRFStartRegister;
} PS;
};
bool OpcodeSupportsPredicate(IGC::SHADER_OPCODE opcode);
bool OpcodeSupportsResource(IGC::SHADER_OPCODE opcode);
bool OpcodeSupportsComparison(IGC::SHADER_OPCODE opcode);
bool OpcodeSupportsConditional(IGC::SHADER_OPCODE opcode);
/*****************************************************************************\
STRUCT: SInterfaceThisData
\*****************************************************************************/
struct SInterfaceThisData
{
unsigned int ConstantBufferID;
unsigned int ConstantBufferOffest;
unsigned int BaseTextureIndex;
unsigned int BaseSamplerIndex;
};
/*****************************************************************************\
STRUCT: SInterfacesBindingData
\*****************************************************************************/
struct SInterfacesBindingData
{
unsigned int NumInstances;
SInterfaceThisData ThisData[ NUM_SHADER_INTERFACES ];
unsigned int FunctionTables[ NUM_SHADER_INTERFACES ];
};
} //namespace USC
namespace iSTD
{
template<typename T>
struct IsArrayTypeSupported;
template<>
struct IsArrayTypeSupported< USC::SHADER_OPERAND_PRECISION > { enum { value = true }; };
} // namespace iSTD
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