template project, first version
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rachelchu
156
Effects11/EffectLoad.h
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156
Effects11/EffectLoad.h
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//--------------------------------------------------------------------------------------
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// File: EffectLoad.h
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//
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// Direct3D 11 Effects header for the FX file loader
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// A CEffectLoader is created at load time to facilitate loading
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// http://go.microsoft.com/fwlink/p/?LinkId=271568
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//--------------------------------------------------------------------------------------
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#pragma once
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namespace D3DX11Effects
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{
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// Ranges are used for dependency checking during load
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enum ERanges
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{
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ER_CBuffer = 0,
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ER_Texture, // Includes TBuffers
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ER_Sampler,
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ER_UnorderedAccessView,
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ER_Interfaces,
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ER_Count // This should be the size of the enum
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};
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struct SRange
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{
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uint32_t start;
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uint32_t last;
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CEffectVector<void *> vResources; // should be (last - start) in length, resource type depends on the range type
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};
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// Used during load to validate assignments
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D3D_SHADER_VARIABLE_TYPE GetSimpleParameterTypeFromObjectType(EObjectType ObjectType);
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// A class to facilitate loading an Effect. This class is a friend of CEffect.
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class CEffectLoader
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{
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friend HRESULT CEffect::CloneEffect(_In_ uint32_t Flags, _Outptr_ ID3DX11Effect** ppClonedEffect );
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protected:
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// Load-time allocations that eventually get moved happen out of the TempHeap. This heap will grow as needed
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CDataBlockStore m_BulkHeap;
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uint8_t *m_pData;
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SBinaryHeader5 *m_pHeader;
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DWORD m_Version;
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CEffect *m_pEffect;
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CEffectReflection *m_pReflection;
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D3DX11Core::CMemoryStream m_msStructured;
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D3DX11Core::CMemoryStream m_msUnstructured;
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// used to avoid repeated hash buffer allocations in LoadTypeAndAddToPool
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CEffectVector<uint8_t> m_HashBuffer;
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uint32_t m_dwBufferSize; // Size of data buffer in bytes
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// List of SInterface blocks created to back class instances bound to shaders
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CEffectVector<SInterface*> m_BackgroundInterfaces;
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// Pointers to pre-reallocation data
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SGlobalVariable *m_pOldVars;
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SShaderBlock *m_pOldShaders;
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SDepthStencilBlock *m_pOldDS;
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SBlendBlock *m_pOldAB;
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SRasterizerBlock *m_pOldRS;
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SConstantBuffer *m_pOldCBs;
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SSamplerBlock *m_pOldSamplers;
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uint32_t m_OldInterfaceCount;
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SInterface *m_pOldInterfaces;
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SShaderResource *m_pOldShaderResources;
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SUnorderedAccessView *m_pOldUnorderedAccessViews;
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SRenderTargetView *m_pOldRenderTargetViews;
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SDepthStencilView *m_pOldDepthStencilViews;
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SString *m_pOldStrings;
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SMemberDataPointer *m_pOldMemberDataBlocks;
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CEffectVectorOwner<SMember> *m_pvOldMemberInterfaces;
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SGroup *m_pOldGroups;
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uint32_t m_EffectMemory; // Effect private heap
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uint32_t m_ReflectionMemory; // Reflection private heap
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// Loader helpers
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HRESULT LoadCBs();
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HRESULT LoadNumericVariable(_In_ SConstantBuffer *pParentCB);
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HRESULT LoadObjectVariables();
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HRESULT LoadInterfaceVariables();
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HRESULT LoadTypeAndAddToPool(_Outptr_ SType **ppType, _In_ uint32_t dwOffset);
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HRESULT LoadStringAndAddToPool(_Outptr_result_maybenull_z_ char **ppString, _In_ uint32_t dwOffset);
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HRESULT LoadAssignments( _In_ uint32_t Assignments, _Out_writes_(Assignments) SAssignment **pAssignments,
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_In_ uint8_t *pBackingStore, _Out_opt_ uint32_t *pRTVAssignments, _Out_opt_ uint32_t *pFinalAssignments );
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HRESULT LoadGroups();
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HRESULT LoadTechnique( STechnique* pTech );
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HRESULT LoadAnnotations(uint32_t *pcAnnotations, SAnnotation **ppAnnotations);
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HRESULT ExecuteConstantAssignment(_In_ const SBinaryConstant *pConstant, _Out_writes_bytes_(4) void *pLHS, _In_ D3D_SHADER_VARIABLE_TYPE lhsType);
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uint32_t UnpackData(uint8_t *pDestData, uint8_t *pSrcData, uint32_t PackedDataSize, SType *pType, uint32_t *pBytesRead);
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// Build shader blocks
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HRESULT ConvertRangesToBindings(SShaderBlock *pShaderBlock, CEffectVector<SRange> *pvRanges );
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HRESULT GrabShaderData(SShaderBlock *pShaderBlock);
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HRESULT BuildShaderBlock(SShaderBlock *pShaderBlock);
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// Memory compactors
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HRESULT InitializeReflectionDataAndMoveStrings( uint32_t KnownSize = 0 );
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HRESULT ReallocateReflectionData( bool Cloning = false );
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HRESULT ReallocateEffectData( bool Cloning = false );
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HRESULT ReallocateShaderBlocks();
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template<class T> HRESULT ReallocateBlockAssignments(T* &pBlocks, uint32_t cBlocks, T* pOldBlocks = nullptr);
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HRESULT ReallocateAnnotationData(uint32_t cAnnotations, SAnnotation **ppAnnotations);
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HRESULT CalculateAnnotationSize(uint32_t cAnnotations, SAnnotation *pAnnotations);
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uint32_t CalculateShaderBlockSize();
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template<class T> uint32_t CalculateBlockAssignmentSize(T* &pBlocks, uint32_t cBlocks);
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HRESULT FixupCBPointer(_Inout_ SConstantBuffer **ppCB);
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HRESULT FixupShaderPointer(_Inout_ SShaderBlock **ppShaderBlock);
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HRESULT FixupDSPointer(_Inout_ SDepthStencilBlock **ppDSBlock);
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HRESULT FixupABPointer(_Inout_ SBlendBlock **ppABBlock);
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HRESULT FixupRSPointer(_Inout_ SRasterizerBlock **ppRSBlock);
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HRESULT FixupInterfacePointer(_Inout_ SInterface **ppInterface, _In_ bool CheckBackgroundInterfaces);
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HRESULT FixupShaderResourcePointer(_Inout_ SShaderResource **ppResource);
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HRESULT FixupUnorderedAccessViewPointer(_Inout_ SUnorderedAccessView **ppResource);
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HRESULT FixupRenderTargetViewPointer(_Inout_ SRenderTargetView **ppRenderTargetView);
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HRESULT FixupDepthStencilViewPointer(_Inout_ SDepthStencilView **ppDepthStencilView);
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HRESULT FixupSamplerPointer(_Inout_ SSamplerBlock **ppSampler);
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HRESULT FixupVariablePointer(_Inout_ SGlobalVariable **ppVar);
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HRESULT FixupStringPointer(_Inout_ SString **ppString);
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HRESULT FixupMemberDataPointer(_Inout_ SMemberDataPointer **ppMemberData);
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HRESULT FixupGroupPointer(_Inout_ SGroup **ppGroup);
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// Methods to retrieve data from the unstructured block
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// (these do not make copies; they simply return pointers into the block)
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HRESULT GetStringAndAddToReflection(_In_ uint32_t offset, _Outptr_result_maybenull_z_ char **ppPointer); // Returns a string from the file string block, updates m_EffectMemory
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HRESULT GetUnstructuredDataBlock(_In_ uint32_t offset, _Out_ uint32_t *pdwSize, _Outptr_result_buffer_(*pdwSize) void **ppData);
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// This function makes a copy of the array of SInterfaceParameters, but not a copy of the strings
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HRESULT GetInterfaceParametersAndAddToReflection( _In_ uint32_t InterfaceCount, _In_ uint32_t offset, _Outptr_result_buffer_all_maybenull_(InterfaceCount) SShaderBlock::SInterfaceParameter **ppInterfaces );
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public:
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HRESULT LoadEffect(_In_ CEffect *pEffect, _In_reads_bytes_(cbEffectBuffer) const void *pEffectBuffer, _In_ uint32_t cbEffectBuffer);
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};
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}
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