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Effect.h
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//--------------------------------------------------------------------------------------
// File: Effect.h
//
// Direct3D 11 Effects Header for ID3DX11Effect Implementation
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// http://go.microsoft.com/fwlink/p/?LinkId=271568
//--------------------------------------------------------------------------------------
#pragma once
#include "EffectBinaryFormat.h"
#include "IUnknownImp.h"
#ifdef _DEBUG
extern void __cdecl D3DXDebugPrintf(UINT lvl, _In_z_ _Printf_format_string_ LPCSTR szFormat, ...);
#define DPF D3DXDebugPrintf
#else
#define DPF
#endif
#pragma warning(push)
#pragma warning(disable : 4481)
// VS 2010 considers 'override' to be a extension, but it's part of C++11 as of VS 2012
//////////////////////////////////////////////////////////////////////////
using namespace D3DX11Core;
namespace D3DX11Effects
{
//////////////////////////////////////////////////////////////////////////
// Forward defines
//////////////////////////////////////////////////////////////////////////
struct SBaseBlock;
struct SShaderBlock;
struct SPassBlock;
struct SClassInstance;
struct SInterface;
struct SShaderResource;
struct SUnorderedAccessView;
struct SRenderTargetView;
struct SDepthStencilView;
struct SSamplerBlock;
struct SDepthStencilBlock;
struct SBlendBlock;
struct SRasterizerBlock;
struct SString;
struct SD3DShaderVTable;
struct SClassInstanceGlobalVariable;
struct SAssignment;
struct SVariable;
struct SGlobalVariable;
struct SAnnotation;
struct SConstantBuffer;
class CEffect;
class CEffectLoader;
enum ELhsType;
// Allows the use of 32-bit and 64-bit timers depending on platform type
typedef size_t Timer;
//////////////////////////////////////////////////////////////////////////
// Reflection & Type structures
//////////////////////////////////////////////////////////////////////////
// CEffectMatrix is used internally instead of float arrays
struct CEffectMatrix
{
union
{
struct
{
float _11, _12, _13, _14;
float _21, _22, _23, _24;
float _31, _32, _33, _34;
float _41, _42, _43, _44;
};
float m[4][4];
};
};
struct CEffectVector4
{
float x;
float y;
float z;
float w;
};
union UDataPointer
{
void *pGeneric;
uint8_t *pNumeric;
float *pNumericFloat;
uint32_t *pNumericDword;
int *pNumericInt;
BOOL *pNumericBool;
SString *pString;
SShaderBlock *pShader;
SBaseBlock *pBlock;
SBlendBlock *pBlend;
SDepthStencilBlock *pDepthStencil;
SRasterizerBlock *pRasterizer;
SInterface *pInterface;
SShaderResource *pShaderResource;
SUnorderedAccessView *pUnorderedAccessView;
SRenderTargetView *pRenderTargetView;
SDepthStencilView *pDepthStencilView;
SSamplerBlock *pSampler;
CEffectVector4 *pVector;
CEffectMatrix *pMatrix;
UINT_PTR Offset;
};
enum EMemberDataType
{
MDT_ClassInstance,
MDT_BlendState,
MDT_DepthStencilState,
MDT_RasterizerState,
MDT_SamplerState,
MDT_Buffer,
MDT_ShaderResourceView,
};
struct SMemberDataPointer
{
EMemberDataType Type;
union
{
IUnknown *pGeneric;
ID3D11ClassInstance *pD3DClassInstance;
ID3D11BlendState *pD3DEffectsManagedBlendState;
ID3D11DepthStencilState *pD3DEffectsManagedDepthStencilState;
ID3D11RasterizerState *pD3DEffectsManagedRasterizerState;
ID3D11SamplerState *pD3DEffectsManagedSamplerState;
ID3D11Buffer *pD3DEffectsManagedConstantBuffer;
ID3D11ShaderResourceView*pD3DEffectsManagedTextureBuffer;
} Data;
};
struct SType : public ID3DX11EffectType
{
static const UINT_PTR c_InvalidIndex = (uint32_t) -1;
static const uint32_t c_ScalarSize = sizeof(uint32_t);
// packing rule constants
static const uint32_t c_ScalarsPerRegister = 4;
static const uint32_t c_RegisterSize = c_ScalarsPerRegister * c_ScalarSize; // must be a power of 2!!
EVarType VarType; // numeric, object, struct
uint32_t Elements; // # of array elements (0 for non-arrays)
char *pTypeName; // friendly name of the type: "VS_OUTPUT", "float4", etc.
// *Size and stride values are always 0 for object types
// *Annotations adhere to packing rules (even though they do not reside in constant buffers)
// for consistency's sake
//
// Packing rules:
// *Structures and array elements are always register aligned
// *Single-row values (or, for column major matrices, single-column) are greedily
// packed unless doing so would span a register boundary, in which case they are
// register aligned
uint32_t TotalSize; // Total size of this data type in a constant buffer from
// start to finish (padding in between elements is included,
// but padding at the end is not since that would require
// knowledge of the following data type).
uint32_t Stride; // Number of bytes to advance between elements.
// Typically a multiple of 16 for arrays, vectors, matrices.
// For scalars and small vectors/matrices, this can be 4 or 8.
uint32_t PackedSize; // Size, in bytes, of this data typed when fully packed
union
{
SBinaryNumericType NumericType;
EObjectType ObjectType; // not all values of EObjectType are valid here (e.g. constant buffer)
struct
{
SVariable *pMembers; // array of type instances describing structure members
uint32_t Members;
BOOL ImplementsInterface; // true if this type implements an interface
BOOL HasSuperClass; // true if this type has a parent class
} StructType;
void* InterfaceType; // nothing for interfaces
};
SType() :
VarType(EVT_Invalid),
Elements(0),
pTypeName(nullptr),
TotalSize(0),
Stride(0),
PackedSize(0)
{
C_ASSERT( sizeof(NumericType) <= sizeof(StructType) );
C_ASSERT( sizeof(ObjectType) <= sizeof(StructType) );
C_ASSERT( sizeof(InterfaceType) <= sizeof(StructType) );
ZeroMemory( &StructType, sizeof(StructType) );
}
bool IsEqual(SType *pOtherType) const;
bool IsObjectType(EObjectType ObjType) const
{
return IsObjectTypeHelper(VarType, ObjectType, ObjType);
}
bool IsShader() const
{
return IsShaderHelper(VarType, ObjectType);
}
bool BelongsInConstantBuffer() const
{
return (VarType == EVT_Numeric) || (VarType == EVT_Struct);
}
bool IsStateBlockObject() const
{
return IsStateBlockObjectHelper(VarType, ObjectType);
}
bool IsClassInstance() const
{
return (VarType == EVT_Struct) && StructType.ImplementsInterface;
}
bool IsInterface() const
{
return IsInterfaceHelper(VarType, ObjectType);
}
bool IsShaderResource() const
{
return IsShaderResourceHelper(VarType, ObjectType);
}
bool IsUnorderedAccessView() const
{
return IsUnorderedAccessViewHelper(VarType, ObjectType);
}
bool IsSampler() const
{
return IsSamplerHelper(VarType, ObjectType);
}
bool IsRenderTargetView() const
{
return IsRenderTargetViewHelper(VarType, ObjectType);
}
bool IsDepthStencilView() const
{
return IsDepthStencilViewHelper(VarType, ObjectType);
}
uint32_t GetTotalUnpackedSize(_In_ bool IsSingleElement) const;
uint32_t GetTotalPackedSize(_In_ bool IsSingleElement) const;
HRESULT GetDescHelper(_Out_ D3DX11_EFFECT_TYPE_DESC *pDesc, _In_ bool IsSingleElement) const;
STDMETHOD_(bool, IsValid)() override { return true; }
STDMETHOD(GetDesc)(_Out_ D3DX11_EFFECT_TYPE_DESC *pDesc) override { return GetDescHelper(pDesc, false); }
STDMETHOD_(ID3DX11EffectType*, GetMemberTypeByIndex)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectType*, GetMemberTypeByName)(_In_z_ LPCSTR Name) override;
STDMETHOD_(ID3DX11EffectType*, GetMemberTypeBySemantic)(_In_z_ LPCSTR Semantic) override;
STDMETHOD_(LPCSTR, GetMemberName)(_In_ uint32_t Index) override;
STDMETHOD_(LPCSTR, GetMemberSemantic)(_In_ uint32_t Index) override;
IUNKNOWN_IMP(SType, ID3DX11EffectType, IUnknown);
};
// Represents a type structure for a single element.
// It seems pretty trivial, but it has a different virtual table which enables
// us to accurately represent a type that consists of a single element
struct SSingleElementType : public ID3DX11EffectType
{
SType *pType;
STDMETHOD_(bool, IsValid)() override { return true; }
STDMETHOD(GetDesc)(_Out_ D3DX11_EFFECT_TYPE_DESC *pDesc) override { return ((SType*)pType)->GetDescHelper(pDesc, true); }
STDMETHOD_(ID3DX11EffectType*, GetMemberTypeByIndex)(uint32_t Index) override { return ((SType*)pType)->GetMemberTypeByIndex(Index); }
STDMETHOD_(ID3DX11EffectType*, GetMemberTypeByName)(LPCSTR Name) override { return ((SType*)pType)->GetMemberTypeByName(Name); }
STDMETHOD_(ID3DX11EffectType*, GetMemberTypeBySemantic)(LPCSTR Semantic) override { return ((SType*)pType)->GetMemberTypeBySemantic(Semantic); }
STDMETHOD_(LPCSTR, GetMemberName)(uint32_t Index) override { return ((SType*)pType)->GetMemberName(Index); }
STDMETHOD_(LPCSTR, GetMemberSemantic)(uint32_t Index) override { return ((SType*)pType)->GetMemberSemantic(Index); }
IUNKNOWN_IMP(SSingleElementType, ID3DX11EffectType, IUnknown);
};
//////////////////////////////////////////////////////////////////////////
// Block definitions
//////////////////////////////////////////////////////////////////////////
void * GetBlockByIndex(EVarType VarType, EObjectType ObjectType, void *pBaseBlock, uint32_t Index);
struct SBaseBlock
{
EBlockType BlockType;
bool IsUserManaged:1;
uint32_t AssignmentCount;
SAssignment *pAssignments;
SBaseBlock();
bool ApplyAssignments(CEffect *pEffect);
inline SSamplerBlock *AsSampler() const
{
assert( BlockType == EBT_Sampler );
return (SSamplerBlock*) this;
}
inline SDepthStencilBlock *AsDepthStencil() const
{
assert( BlockType == EBT_DepthStencil );
return (SDepthStencilBlock*) this;
}
inline SBlendBlock *AsBlend() const
{
assert( BlockType == EBT_Blend );
return (SBlendBlock*) this;
}
inline SRasterizerBlock *AsRasterizer() const
{
assert( BlockType == EBT_Rasterizer );
return (SRasterizerBlock*) this;
}
inline SPassBlock *AsPass() const
{
assert( BlockType == EBT_Pass );
return (SPassBlock*) this;
}
};
struct STechnique : public ID3DX11EffectTechnique
{
char *pName;
uint32_t PassCount;
SPassBlock *pPasses;
uint32_t AnnotationCount;
SAnnotation *pAnnotations;
bool InitiallyValid;
bool HasDependencies;
STechnique();
STDMETHOD_(bool, IsValid)() override;
STDMETHOD(GetDesc)(_Out_ D3DX11_TECHNIQUE_DESC *pDesc) override;
STDMETHOD_(ID3DX11EffectVariable*, GetAnnotationByIndex)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectVariable*, GetAnnotationByName)(_In_z_ LPCSTR Name) override;
STDMETHOD_(ID3DX11EffectPass*, GetPassByIndex)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectPass*, GetPassByName)(_In_z_ LPCSTR Name) override;
STDMETHOD(ComputeStateBlockMask)(_Inout_ D3DX11_STATE_BLOCK_MASK *pStateBlockMask) override;
IUNKNOWN_IMP(STechnique, ID3DX11EffectTechnique, IUnknown);
};
struct SGroup : public ID3DX11EffectGroup
{
char *pName;
uint32_t TechniqueCount;
STechnique *pTechniques;
uint32_t AnnotationCount;
SAnnotation *pAnnotations;
bool InitiallyValid;
bool HasDependencies;
SGroup();
STDMETHOD_(bool, IsValid)() override;
STDMETHOD(GetDesc)(_Out_ D3DX11_GROUP_DESC *pDesc) override;
STDMETHOD_(ID3DX11EffectVariable*, GetAnnotationByIndex)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectVariable*, GetAnnotationByName)(_In_z_ LPCSTR Name) override;
STDMETHOD_(ID3DX11EffectTechnique*, GetTechniqueByIndex)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectTechnique*, GetTechniqueByName)(_In_z_ LPCSTR Name) override;
IUNKNOWN_IMP(SGroup, ID3DX11EffectGroup, IUnknown);
};
struct SPassBlock : SBaseBlock, public ID3DX11EffectPass
{
struct
{
ID3D11BlendState* pBlendState;
FLOAT BlendFactor[4];
uint32_t SampleMask;
ID3D11DepthStencilState *pDepthStencilState;
uint32_t StencilRef;
union
{
D3D11_SO_DECLARATION_ENTRY *pEntry;
char *pEntryDesc;
} GSSODesc;
// Pass assignments can write directly into these
SBlendBlock *pBlendBlock;
SDepthStencilBlock *pDepthStencilBlock;
SRasterizerBlock *pRasterizerBlock;
uint32_t RenderTargetViewCount;
SRenderTargetView *pRenderTargetViews[D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT];
SDepthStencilView *pDepthStencilView;
SShaderBlock *pVertexShaderBlock;
SShaderBlock *pPixelShaderBlock;
SShaderBlock *pGeometryShaderBlock;
SShaderBlock *pComputeShaderBlock;
SShaderBlock *pDomainShaderBlock;
SShaderBlock *pHullShaderBlock;
} BackingStore;
char *pName;
uint32_t AnnotationCount;
SAnnotation *pAnnotations;
CEffect *pEffect;
bool InitiallyValid; // validity of all state objects and shaders in pass upon BindToDevice
bool HasDependencies; // if pass expressions or pass state blocks have dependencies on variables (if true, IsValid != InitiallyValid possibly)
SPassBlock();
void ApplyPassAssignments();
bool CheckShaderDependencies( _In_ const SShaderBlock* pBlock );
bool CheckDependencies();
template<EObjectType EShaderType>
HRESULT GetShaderDescHelper(_Out_ D3DX11_PASS_SHADER_DESC *pDesc);
STDMETHOD_(bool, IsValid)() override;
STDMETHOD(GetDesc)(_Out_ D3DX11_PASS_DESC *pDesc) override;
STDMETHOD(GetVertexShaderDesc)(_Out_ D3DX11_PASS_SHADER_DESC *pDesc) override;
STDMETHOD(GetGeometryShaderDesc)(_Out_ D3DX11_PASS_SHADER_DESC *pDesc) override;
STDMETHOD(GetPixelShaderDesc)(_Out_ D3DX11_PASS_SHADER_DESC *pDesc) override;
STDMETHOD(GetHullShaderDesc)(_Out_ D3DX11_PASS_SHADER_DESC *pDesc) override;
STDMETHOD(GetDomainShaderDesc)(_Out_ D3DX11_PASS_SHADER_DESC *pDesc) override;
STDMETHOD(GetComputeShaderDesc)(_Out_ D3DX11_PASS_SHADER_DESC *pDesc) override;
STDMETHOD_(ID3DX11EffectVariable*, GetAnnotationByIndex)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectVariable*, GetAnnotationByName)(_In_z_ LPCSTR Name) override;
STDMETHOD(Apply)(_In_ uint32_t Flags, _In_ ID3D11DeviceContext* pContext) override;
STDMETHOD(ComputeStateBlockMask)(_Inout_ D3DX11_STATE_BLOCK_MASK *pStateBlockMask) override;
IUNKNOWN_IMP(SPassBlock, ID3DX11EffectPass, IUnknown);
};
struct SDepthStencilBlock : SBaseBlock
{
ID3D11DepthStencilState *pDSObject;
D3D11_DEPTH_STENCIL_DESC BackingStore;
bool IsValid;
SDepthStencilBlock();
};
struct SBlendBlock : SBaseBlock
{
ID3D11BlendState *pBlendObject;
D3D11_BLEND_DESC BackingStore;
bool IsValid;
SBlendBlock();
};
struct SRasterizerBlock : SBaseBlock
{
ID3D11RasterizerState *pRasterizerObject;
D3D11_RASTERIZER_DESC BackingStore;
bool IsValid;
SRasterizerBlock();
};
struct SSamplerBlock : SBaseBlock
{
ID3D11SamplerState *pD3DObject;
struct
{
D3D11_SAMPLER_DESC SamplerDesc;
// Sampler "TEXTURE" assignments can write directly into this
SShaderResource *pTexture;
} BackingStore;
SSamplerBlock();
};
struct SInterface
{
SClassInstanceGlobalVariable* pClassInstance;
SInterface()
{
pClassInstance = nullptr;
}
};
struct SShaderResource
{
ID3D11ShaderResourceView *pShaderResource;
SShaderResource()
{
pShaderResource = nullptr;
}
};
struct SUnorderedAccessView
{
ID3D11UnorderedAccessView *pUnorderedAccessView;
SUnorderedAccessView()
{
pUnorderedAccessView = nullptr;
}
};
struct SRenderTargetView
{
ID3D11RenderTargetView *pRenderTargetView;
SRenderTargetView();
};
struct SDepthStencilView
{
ID3D11DepthStencilView *pDepthStencilView;
SDepthStencilView();
};
template<class T, class D3DTYPE> struct SShaderDependency
{
uint32_t StartIndex;
uint32_t Count;
T *ppFXPointers; // Array of ptrs to FX objects (CBs, SShaderResources, etc)
D3DTYPE *ppD3DObjects; // Array of ptrs to matching D3D objects
SShaderDependency()
{
StartIndex = Count = 0;
ppD3DObjects = nullptr;
ppFXPointers = nullptr;
}
};
typedef SShaderDependency<SConstantBuffer*, ID3D11Buffer*> SShaderCBDependency;
typedef SShaderDependency<SSamplerBlock*, ID3D11SamplerState*> SShaderSamplerDependency;
typedef SShaderDependency<SShaderResource*, ID3D11ShaderResourceView*> SShaderResourceDependency;
typedef SShaderDependency<SUnorderedAccessView*, ID3D11UnorderedAccessView*> SUnorderedAccessViewDependency;
typedef SShaderDependency<SInterface*, ID3D11ClassInstance*> SInterfaceDependency;
// Shader VTables are used to eliminate branching in ApplyShaderBlock.
// The effect owns one D3DShaderVTables for each shader stage
struct SD3DShaderVTable
{
void ( __stdcall ID3D11DeviceContext::*pSetShader)(ID3D11DeviceChild* pShader, ID3D11ClassInstance*const* ppClassInstances, uint32_t NumClassInstances);
void ( __stdcall ID3D11DeviceContext::*pSetConstantBuffers)(uint32_t StartConstantSlot, uint32_t NumBuffers, ID3D11Buffer *const *pBuffers);
void ( __stdcall ID3D11DeviceContext::*pSetSamplers)(uint32_t Offset, uint32_t NumSamplers, ID3D11SamplerState*const* pSamplers);
void ( __stdcall ID3D11DeviceContext::*pSetShaderResources)(uint32_t Offset, uint32_t NumResources, ID3D11ShaderResourceView *const *pResources);
HRESULT ( __stdcall ID3D11Device::*pCreateShader)(const void *pShaderBlob, size_t ShaderBlobSize, ID3D11ClassLinkage* pClassLinkage, ID3D11DeviceChild **ppShader);
};
struct SShaderBlock
{
enum ESigType
{
ST_Input,
ST_Output,
ST_PatchConstant,
};
struct SInterfaceParameter
{
char *pName;
uint32_t Index;
};
// this data is classified as reflection-only and will all be discarded at runtime
struct SReflectionData
{
uint8_t *pBytecode;
uint32_t BytecodeLength;
char *pStreamOutDecls[4]; // set with ConstructGSWithSO
uint32_t RasterizedStream; // set with ConstructGSWithSO
BOOL IsNullGS;
ID3D11ShaderReflection *pReflection;
uint32_t InterfaceParameterCount; // set with BindInterfaces (used for function interface parameters)
SInterfaceParameter *pInterfaceParameters; // set with BindInterfaces (used for function interface parameters)
};
bool IsValid;
SD3DShaderVTable *pVT;
// This value is nullptr if the shader is nullptr or was never initialized
SReflectionData *pReflectionData;
ID3D11DeviceChild *pD3DObject;
uint32_t CBDepCount;
SShaderCBDependency *pCBDeps;
uint32_t SampDepCount;
SShaderSamplerDependency *pSampDeps;
uint32_t InterfaceDepCount;
SInterfaceDependency *pInterfaceDeps;
uint32_t ResourceDepCount;
SShaderResourceDependency *pResourceDeps;
uint32_t UAVDepCount;
SUnorderedAccessViewDependency *pUAVDeps;
uint32_t TBufferDepCount;
SConstantBuffer **ppTbufDeps;
ID3DBlob *pInputSignatureBlob; // The input signature is separated from the bytecode because it
// is always available, even after Optimize() has been called.
SShaderBlock(SD3DShaderVTable *pVirtualTable = nullptr);
EObjectType GetShaderType();
HRESULT OnDeviceBind();
// Public API helpers
HRESULT ComputeStateBlockMask(_Inout_ D3DX11_STATE_BLOCK_MASK *pStateBlockMask);
HRESULT GetShaderDesc(_Out_ D3DX11_EFFECT_SHADER_DESC *pDesc, _In_ bool IsInline);
HRESULT GetVertexShader(_Outptr_ ID3D11VertexShader **ppVS);
HRESULT GetGeometryShader(_Outptr_ ID3D11GeometryShader **ppGS);
HRESULT GetPixelShader(_Outptr_ ID3D11PixelShader **ppPS);
HRESULT GetHullShader(_Outptr_ ID3D11HullShader **ppHS);
HRESULT GetDomainShader(_Outptr_ ID3D11DomainShader **ppDS);
HRESULT GetComputeShader(_Outptr_ ID3D11ComputeShader **ppCS);
HRESULT GetSignatureElementDesc(_In_ ESigType SigType, _In_ uint32_t Element, _Out_ D3D11_SIGNATURE_PARAMETER_DESC *pDesc);
};
struct SString
{
char *pString;
SString();
};
//////////////////////////////////////////////////////////////////////////
// Global Variable & Annotation structure/interface definitions
//////////////////////////////////////////////////////////////////////////
//
// This is a general structure that can describe
// annotations, variables, and structure members
//
struct SVariable
{
// For annotations/variables/variable members:
// 1) If numeric, pointer to data (for variables: points into backing store,
// for annotations, points into reflection heap)
// OR
// 2) If object, pointer to the block. If object array, subsequent array elements are found in
// contiguous blocks; the Nth block is found by ((<SpecificBlockType> *) pBlock) + N
// (this is because variables that are arrays of objects have their blocks allocated contiguously)
//
// For structure members:
// Offset of this member (in bytes) from parent structure (structure members must be numeric/struct)
UDataPointer Data;
union
{
uint32_t MemberDataOffsetPlus4; // 4 added so that 0 == nullptr can represent "unused"
SMemberDataPointer *pMemberData;
};
SType *pType;
char *pName;
char *pSemantic;
uint32_t ExplicitBindPoint;
SVariable()
{
ZeroMemory(this, sizeof(*this));
ExplicitBindPoint = uint32_t(-1);
}
};
// Template definitions for all of the various ID3DX11EffectVariable specializations
#include "EffectVariable.inl"
////////////////////////////////////////////////////////////////////////////////
// ID3DX11EffectShaderVariable (SAnonymousShader implementation)
////////////////////////////////////////////////////////////////////////////////
struct SAnonymousShader : public TUncastableVariable<ID3DX11EffectShaderVariable>, public ID3DX11EffectType
{
SShaderBlock *pShaderBlock;
SAnonymousShader(_In_opt_ SShaderBlock *pBlock = nullptr);
// ID3DX11EffectShaderVariable interface
STDMETHOD_(bool, IsValid)() override;
STDMETHOD_(ID3DX11EffectType*, GetType)() override;
STDMETHOD(GetDesc)(_Out_ D3DX11_EFFECT_VARIABLE_DESC *pDesc) override;
STDMETHOD_(ID3DX11EffectVariable*, GetAnnotationByIndex)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectVariable*, GetAnnotationByName)(_In_z_ LPCSTR Name) override;
STDMETHOD_(ID3DX11EffectVariable*, GetMemberByIndex)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectVariable*, GetMemberByName)(_In_z_ LPCSTR Name) override;
STDMETHOD_(ID3DX11EffectVariable*, GetMemberBySemantic)(_In_z_ LPCSTR Semantic) override;
STDMETHOD_(ID3DX11EffectVariable*, GetElement)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectConstantBuffer*, GetParentConstantBuffer)() override;
// other casts are handled by TUncastableVariable
STDMETHOD_(ID3DX11EffectShaderVariable*, AsShader)() override;
STDMETHOD(SetRawValue)(_In_reads_bytes_(Count) const void *pData, _In_ uint32_t Offset, _In_ uint32_t Count) override;
STDMETHOD(GetRawValue)(_Out_writes_bytes_(Count) void *pData, _In_ uint32_t Offset, _In_ uint32_t Count) override;
STDMETHOD(GetShaderDesc)(_In_ uint32_t ShaderIndex, _Out_ D3DX11_EFFECT_SHADER_DESC *pDesc) override;
STDMETHOD(GetVertexShader)(_In_ uint32_t ShaderIndex, _Outptr_ ID3D11VertexShader **ppVS) override;
STDMETHOD(GetGeometryShader)(_In_ uint32_t ShaderIndex, _Outptr_ ID3D11GeometryShader **ppGS) override;
STDMETHOD(GetPixelShader)(_In_ uint32_t ShaderIndex, _Outptr_ ID3D11PixelShader **ppPS) override;
STDMETHOD(GetHullShader)(_In_ uint32_t ShaderIndex, _Outptr_ ID3D11HullShader **ppHS) override;
STDMETHOD(GetDomainShader)(_In_ uint32_t ShaderIndex, _Outptr_ ID3D11DomainShader **ppDS) override;
STDMETHOD(GetComputeShader)(_In_ uint32_t ShaderIndex, _Outptr_ ID3D11ComputeShader **ppCS) override;
STDMETHOD(GetInputSignatureElementDesc)(_In_ uint32_t ShaderIndex, _In_ uint32_t Element, _Out_ D3D11_SIGNATURE_PARAMETER_DESC *pDesc) override;
STDMETHOD(GetOutputSignatureElementDesc)(_In_ uint32_t ShaderIndex, _In_ uint32_t Element, _Out_ D3D11_SIGNATURE_PARAMETER_DESC *pDesc) override;
STDMETHOD(GetPatchConstantSignatureElementDesc)(_In_ uint32_t ShaderIndex, _In_ uint32_t Element, _Out_ D3D11_SIGNATURE_PARAMETER_DESC *pDesc) override;
// ID3DX11EffectType interface
STDMETHOD(GetDesc)(_Out_ D3DX11_EFFECT_TYPE_DESC *pDesc) override;
STDMETHOD_(ID3DX11EffectType*, GetMemberTypeByIndex)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectType*, GetMemberTypeByName)(_In_z_ LPCSTR Name) override;
STDMETHOD_(ID3DX11EffectType*, GetMemberTypeBySemantic)(_In_z_ LPCSTR Semantic) override;
STDMETHOD_(LPCSTR, GetMemberName)(_In_ uint32_t Index) override;
STDMETHOD_(LPCSTR, GetMemberSemantic)(_In_ uint32_t Index) override;
IUNKNOWN_IMP(SAnonymousShader, ID3DX11EffectShaderVariable, ID3DX11EffectVariable);
};
////////////////////////////////////////////////////////////////////////////////
// ID3DX11EffectConstantBuffer (SConstantBuffer implementation)
////////////////////////////////////////////////////////////////////////////////
struct SConstantBuffer : public TUncastableVariable<ID3DX11EffectConstantBuffer>, public ID3DX11EffectType
{
ID3D11Buffer *pD3DObject;
SShaderResource TBuffer; // nullptr iff IsTbuffer == false
uint8_t *pBackingStore;
uint32_t Size; // in bytes
char *pName;
uint32_t AnnotationCount;
SAnnotation *pAnnotations;
uint32_t VariableCount; // # of variables contained in this cbuffer
SGlobalVariable *pVariables; // array of size [VariableCount], points into effect's contiguous variable list
uint32_t ExplicitBindPoint; // Used when a CB has been explicitly bound (register(bXX)). -1 if not
bool IsDirty:1; // Set when any member is updated; cleared on CB apply
bool IsTBuffer:1; // true iff TBuffer.pShaderResource != nullptr
bool IsUserManaged:1; // Set if you don't want effects to update this buffer
bool IsEffectOptimized:1;// Set if the effect has been optimized
bool IsUsedByExpression:1;// Set if used by any expressions
bool IsUserPacked:1; // Set if the elements have user-specified offsets
bool IsSingle:1; // Set to true if you want to share this CB with cloned Effects
bool IsNonUpdatable:1; // Set to true if you want to share this CB with cloned Effects
union
{
// These are used to store the original ID3D11Buffer* for use in UndoSetConstantBuffer
uint32_t MemberDataOffsetPlus4; // 4 added so that 0 == nullptr can represent "unused"
SMemberDataPointer *pMemberData;
};
CEffect *pEffect;
SConstantBuffer()
{
pD3DObject = nullptr;
ZeroMemory(&TBuffer, sizeof(TBuffer));
ExplicitBindPoint = uint32_t(-1);
pBackingStore = nullptr;
Size = 0;
pName = nullptr;
VariableCount = 0;
pVariables = nullptr;
AnnotationCount = 0;
pAnnotations = nullptr;
IsDirty = false;
IsTBuffer = false;
IsUserManaged = false;
IsEffectOptimized = false;
IsUsedByExpression = false;
IsUserPacked = false;
IsSingle = false;
IsNonUpdatable = false;
pEffect = nullptr;
}
bool ClonedSingle() const;
// ID3DX11EffectConstantBuffer interface
STDMETHOD_(bool, IsValid)() override;
STDMETHOD_(ID3DX11EffectType*, GetType)() override;
STDMETHOD(GetDesc)(_Out_ D3DX11_EFFECT_VARIABLE_DESC *pDesc) override;
STDMETHOD_(ID3DX11EffectVariable*, GetAnnotationByIndex)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectVariable*, GetAnnotationByName)(_In_z_ LPCSTR Name) override;
STDMETHOD_(ID3DX11EffectVariable*, GetMemberByIndex)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectVariable*, GetMemberByName)(_In_z_ LPCSTR Name) override;
STDMETHOD_(ID3DX11EffectVariable*, GetMemberBySemantic)(_In_z_ LPCSTR Semantic) override;
STDMETHOD_(ID3DX11EffectVariable*, GetElement)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectConstantBuffer*, GetParentConstantBuffer)() override;
// other casts are handled by TUncastableVariable
STDMETHOD_(ID3DX11EffectConstantBuffer*, AsConstantBuffer)() override;
STDMETHOD(SetRawValue)(_In_reads_bytes_(Count) const void *pData, _In_ uint32_t Offset, _In_ uint32_t Count) override;
STDMETHOD(GetRawValue)(_Out_writes_bytes_(Count) void *pData, _In_ uint32_t Offset, _In_ uint32_t Count) override;
STDMETHOD(SetConstantBuffer)(_In_ ID3D11Buffer *pConstantBuffer) override;
STDMETHOD(GetConstantBuffer)(_Outptr_ ID3D11Buffer **ppConstantBuffer) override;
STDMETHOD(UndoSetConstantBuffer)() override;
STDMETHOD(SetTextureBuffer)(_In_ ID3D11ShaderResourceView *pTextureBuffer) override;
STDMETHOD(GetTextureBuffer)(_Outptr_ ID3D11ShaderResourceView **ppTextureBuffer) override;
STDMETHOD(UndoSetTextureBuffer)() override;
// ID3DX11EffectType interface
STDMETHOD(GetDesc)(_Out_ D3DX11_EFFECT_TYPE_DESC *pDesc) override;
STDMETHOD_(ID3DX11EffectType*, GetMemberTypeByIndex)(_In_ uint32_t Index) override;
STDMETHOD_(ID3DX11EffectType*, GetMemberTypeByName)(_In_z_ LPCSTR Name) override;
STDMETHOD_(ID3DX11EffectType*, GetMemberTypeBySemantic)(_In_z_ LPCSTR Semantic) override;
STDMETHOD_(LPCSTR, GetMemberName)(_In_ uint32_t Index) override;
STDMETHOD_(LPCSTR, GetMemberSemantic)(_In_ uint32_t Index) override;
IUNKNOWN_IMP(SConstantBuffer, ID3DX11EffectConstantBuffer, ID3DX11EffectVariable);
};
//////////////////////////////////////////////////////////////////////////
// Assignments
//////////////////////////////////////////////////////////////////////////
enum ERuntimeAssignmentType
{
ERAT_Invalid,
// [Destination] refers to the destination location, which is always the backing store of the pass/state block.
// [Source] refers to the current source of data, always coming from either a constant buffer's
// backing store (for numeric assignments), an object variable's block array, or an anonymous (unowned) block
// Numeric variables:
ERAT_Constant, // Source is unused.
// No dependencies; this assignment can be safely removed after load.
ERAT_NumericVariable, // Source points to the CB's backing store where the value lives.
// 1 dependency: the variable itself.
ERAT_NumericConstIndex, // Source points to the CB's backing store where the value lives, offset by N.
// 1 dependency: the variable array being indexed.
ERAT_NumericVariableIndex, // Source points to the last used element of the variable in the CB's backing store.
// 2 dependencies: the index variable followed by the array variable.
// Object variables:
ERAT_ObjectInlineShader, // An anonymous, immutable shader block pointer is copied to the destination immediately.
// No dependencies; this assignment can be safely removed after load.
ERAT_ObjectVariable, // A pointer to the block owned by the object variable is copied to the destination immediately.
// No dependencies; this assignment can be safely removed after load.
ERAT_ObjectConstIndex, // A pointer to the Nth block owned by an object variable is copied to the destination immediately.
// No dependencies; this assignment can be safely removed after load.
ERAT_ObjectVariableIndex, // Source points to the first block owned by an object variable array
// (the offset from this, N, is taken from another variable).
// 1 dependency: the variable being used to index the array.
};
struct SAssignment
{
struct SDependency
{
SGlobalVariable *pVariable;
SDependency()
{
pVariable = nullptr;
}
};
ELhsType LhsType; // PS, VS, DepthStencil etc.
// The value of SAssignment.AssignmentType determines how the other fields behave
// (DependencyCount, pDependencies, Destination, and Source)
ERuntimeAssignmentType AssignmentType;
Timer LastRecomputedTime;
// see comments in ERuntimeAssignmentType for how dependencies and data pointers are handled
uint32_t DependencyCount;
SDependency *pDependencies;
UDataPointer Destination; // This value never changes after load, and always refers to the backing store
UDataPointer Source; // This value, on the other hand, can change if variable- or expression- driven
uint32_t DataSize : 16; // Size of the data element to be copied in bytes (if numeric) or
// stride of the block type (if object)
uint32_t MaxElements : 16; // Max allowable index (needed because we don't store object arrays as dependencies,
// and therefore have no way of getting their Element count)
bool IsObjectAssignment() // True for Shader and RObject assignments (the type that appear in pass blocks)
{
return IsObjectAssignmentHelper(LhsType);
}
SAssignment()
{
LhsType = ELHS_Invalid;
AssignmentType = ERAT_Invalid;
Destination.pGeneric = nullptr;
Source.pGeneric = nullptr;
LastRecomputedTime = 0;
DependencyCount = 0;
pDependencies = nullptr;
DataSize = 0;
}
};
//////////////////////////////////////////////////////////////////////////
// Private effect heaps
//////////////////////////////////////////////////////////////////////////
// Used to efficiently reallocate data
// 1) For every piece of data that needs reallocation, move it to its new location
// and add an entry into the table
// 2) For everyone that references one of these data blocks, do a quick table lookup
// to find the old pointer and then replace it with the new one
struct SPointerMapping
{
void *pOld;
void *pNew;
static bool AreMappingsEqual(const SPointerMapping &pMap1, const SPointerMapping &pMap2)
{
return (pMap1.pOld == pMap2.pOld);
}
uint32_t Hash()
{
// hash the pointer itself
// (using the pointer as a hash would be very bad)
return ComputeHash((uint8_t*)&pOld, sizeof(pOld));