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EffectLoad.cpp
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EffectLoad.cpp
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//--------------------------------------------------------------------------------------
// File: EffectLoad.cpp
//
// Direct3D Effects file loading code
//
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
//
// http://go.microsoft.com/fwlink/p/?LinkId=271568
//--------------------------------------------------------------------------------------
#include "pchfx.h"
#include "EffectStates11.h"
#define PRIVATENEW new(m_BulkHeap)
namespace D3DX11Effects
{
static LPCSTR g_szEffectLoadArea = "D3D11EffectLoader";
SRasterizerBlock g_NullRasterizer;
SDepthStencilBlock g_NullDepthStencil;
SBlendBlock g_NullBlend;
SShaderResource g_NullTexture;
SInterface g_NullInterface;
SUnorderedAccessView g_NullUnorderedAccessView;
SRenderTargetView g_NullRenderTargetView;
SDepthStencilView g_NullDepthStencilView;
// these VTables must be setup in the proper order:
// 1) SetShader
// 2) SetConstantBuffers
// 3) SetSamplers
// 4) SetShaderResources
// 5) CreateShader
SD3DShaderVTable g_vtPS = {
(void (__stdcall ID3D11DeviceContext::*)(ID3D11DeviceChild*, ID3D11ClassInstance*const*, uint32_t)) &ID3D11DeviceContext::PSSetShader,
&ID3D11DeviceContext::PSSetConstantBuffers,
&ID3D11DeviceContext::PSSetSamplers,
&ID3D11DeviceContext::PSSetShaderResources,
(HRESULT (__stdcall ID3D11Device::*)(const void *, size_t, ID3D11ClassLinkage*, ID3D11DeviceChild **)) &ID3D11Device::CreatePixelShader
};
SD3DShaderVTable g_vtVS = {
(void (__stdcall ID3D11DeviceContext::*)(ID3D11DeviceChild*, ID3D11ClassInstance*const*, uint32_t)) &ID3D11DeviceContext::VSSetShader,
&ID3D11DeviceContext::VSSetConstantBuffers,
&ID3D11DeviceContext::VSSetSamplers,
&ID3D11DeviceContext::VSSetShaderResources,
(HRESULT (__stdcall ID3D11Device::*)(const void *, size_t, ID3D11ClassLinkage*, ID3D11DeviceChild **)) &ID3D11Device::CreateVertexShader
};
SD3DShaderVTable g_vtGS = {
(void (__stdcall ID3D11DeviceContext::*)(ID3D11DeviceChild*, ID3D11ClassInstance*const*, uint32_t)) &ID3D11DeviceContext::GSSetShader,
&ID3D11DeviceContext::GSSetConstantBuffers,
&ID3D11DeviceContext::GSSetSamplers,
&ID3D11DeviceContext::GSSetShaderResources,
(HRESULT (__stdcall ID3D11Device::*)(const void *, size_t, ID3D11ClassLinkage*, ID3D11DeviceChild **)) &ID3D11Device::CreateGeometryShader
};
SD3DShaderVTable g_vtHS = {
(void (__stdcall ID3D11DeviceContext::*)(ID3D11DeviceChild*, ID3D11ClassInstance*const*, uint32_t)) &ID3D11DeviceContext::HSSetShader,
&ID3D11DeviceContext::HSSetConstantBuffers,
&ID3D11DeviceContext::HSSetSamplers,
&ID3D11DeviceContext::HSSetShaderResources,
(HRESULT (__stdcall ID3D11Device::*)(const void *, size_t, ID3D11ClassLinkage*, ID3D11DeviceChild **)) &ID3D11Device::CreateHullShader
};
SD3DShaderVTable g_vtDS = {
(void (__stdcall ID3D11DeviceContext::*)(ID3D11DeviceChild*, ID3D11ClassInstance*const*, uint32_t)) &ID3D11DeviceContext::DSSetShader,
&ID3D11DeviceContext::DSSetConstantBuffers,
&ID3D11DeviceContext::DSSetSamplers,
&ID3D11DeviceContext::DSSetShaderResources,
(HRESULT (__stdcall ID3D11Device::*)(const void *, size_t, ID3D11ClassLinkage*, ID3D11DeviceChild **)) &ID3D11Device::CreateDomainShader
};
SD3DShaderVTable g_vtCS = {
(void (__stdcall ID3D11DeviceContext::*)(ID3D11DeviceChild*, ID3D11ClassInstance*const*, uint32_t)) &ID3D11DeviceContext::CSSetShader,
&ID3D11DeviceContext::CSSetConstantBuffers,
&ID3D11DeviceContext::CSSetSamplers,
&ID3D11DeviceContext::CSSetShaderResources,
(HRESULT (__stdcall ID3D11Device::*)(const void *, size_t, ID3D11ClassLinkage*, ID3D11DeviceChild **)) &ID3D11Device::CreateComputeShader
};
SShaderBlock g_NullVS(&g_vtVS);
SShaderBlock g_NullGS(&g_vtGS);
SShaderBlock g_NullPS(&g_vtPS);
SShaderBlock g_NullHS(&g_vtHS);
SShaderBlock g_NullDS(&g_vtDS);
SShaderBlock g_NullCS(&g_vtCS);
D3D_SHADER_VARIABLE_TYPE GetSimpleParameterTypeFromObjectType(EObjectType ObjectType)
{
switch (ObjectType)
{
case EOT_String:
return D3D_SVT_STRING;
case EOT_Blend:
return D3D_SVT_BLEND;
case EOT_DepthStencil:
return D3D_SVT_DEPTHSTENCIL;
case EOT_Rasterizer:
return D3D_SVT_RASTERIZER;
case EOT_PixelShader:
case EOT_PixelShader5:
return D3D_SVT_PIXELSHADER;
case EOT_VertexShader:
case EOT_VertexShader5:
return D3D_SVT_VERTEXSHADER;
case EOT_GeometryShader:
case EOT_GeometryShaderSO:
case EOT_GeometryShader5:
return D3D_SVT_GEOMETRYSHADER;
case EOT_HullShader5:
return D3D_SVT_HULLSHADER;
case EOT_DomainShader5:
return D3D_SVT_DOMAINSHADER;
case EOT_ComputeShader5:
return D3D_SVT_COMPUTESHADER;
case EOT_RenderTargetView:
return D3D_SVT_RENDERTARGETVIEW;
case EOT_DepthStencilView:
return D3D_SVT_DEPTHSTENCILVIEW;
case EOT_Texture:
case EOT_Texture1D:
case EOT_Texture1DArray:
case EOT_Texture2D:
case EOT_Texture2DArray:
case EOT_Texture2DMS:
case EOT_Texture2DMSArray:
case EOT_Texture3D:
case EOT_TextureCube:
case EOT_TextureCubeArray:
return D3D_SVT_TEXTURE;
case EOT_Buffer:
return D3D_SVT_BUFFER;
case EOT_Sampler:
return D3D_SVT_SAMPLER;
case EOT_ByteAddressBuffer:
return D3D_SVT_BYTEADDRESS_BUFFER;
case EOT_StructuredBuffer:
return D3D_SVT_STRUCTURED_BUFFER;
case EOT_RWTexture1D:
return D3D_SVT_RWTEXTURE1D;
case EOT_RWTexture1DArray:
return D3D_SVT_RWTEXTURE1DARRAY;
case EOT_RWTexture2D:
return D3D_SVT_RWTEXTURE2D;
case EOT_RWTexture2DArray:
return D3D_SVT_RWTEXTURE2DARRAY;
case EOT_RWTexture3D:
return D3D_SVT_RWTEXTURE3D;
case EOT_RWBuffer:
return D3D_SVT_RWBUFFER;
case EOT_RWByteAddressBuffer:
return D3D_SVT_RWBYTEADDRESS_BUFFER;
case EOT_RWStructuredBuffer:
case EOT_RWStructuredBufferAlloc:
case EOT_RWStructuredBufferConsume:
return D3D_SVT_RWSTRUCTURED_BUFFER;
case EOT_AppendStructuredBuffer:
return D3D_SVT_APPEND_STRUCTURED_BUFFER;
case EOT_ConsumeStructuredBuffer:
return D3D_SVT_CONSUME_STRUCTURED_BUFFER;
default:
assert(0);
}
return D3D_SVT_VOID;
}
inline HRESULT VerifyPointer(uint32_t oBase, uint32_t dwSize, uint32_t dwMaxSize)
{
uint32_t dwAdd = oBase + dwSize;
if (dwAdd < oBase || dwAdd > dwMaxSize)
return E_FAIL;
return S_OK;
}
//////////////////////////////////////////////////////////////////////////
// EffectHeap
// A simple class which assists in adding data to a block of memory
//////////////////////////////////////////////////////////////////////////
CEffectHeap::CEffectHeap() noexcept :
m_pData(nullptr),
m_dwBufferSize(0),
m_dwSize(0)
{
}
CEffectHeap::~CEffectHeap()
{
SAFE_DELETE_ARRAY(m_pData);
}
uint32_t CEffectHeap::GetSize()
{
return m_dwSize;
}
HRESULT CEffectHeap::ReserveMemory(uint32_t dwSize)
{
HRESULT hr = S_OK;
assert(!m_pData);
assert(dwSize == AlignToPowerOf2(dwSize, c_DataAlignment));
m_dwBufferSize = dwSize;
VN( m_pData = new uint8_t[m_dwBufferSize] );
// make sure that we have machine word alignment
assert(m_pData == AlignToPowerOf2(m_pData, c_DataAlignment));
lExit:
return hr;
}
_Use_decl_annotations_
HRESULT CEffectHeap::AddString(const char *pString, char **ppPointer)
{
size_t size = strlen(pString) + 1;
assert( size <= 0xffffffff );
return AddData(pString, (uint32_t)size, (void**) ppPointer);
}
// This data is forcibly aligned, so make sure you account for that in calculating heap size
template <bool bCopyData>
HRESULT CEffectHeap::AddDataInternal(_In_reads_bytes_(dwSize) const void *pData, _In_ uint32_t dwSize, _Outptr_ void **ppPointer)
{
CCheckedDword chkFinalSize( m_dwSize );
uint32_t finalSize;
HRESULT hr = S_OK;
chkFinalSize += dwSize;
chkFinalSize += c_DataAlignment; // account for alignment
VHD( chkFinalSize.GetValue(&finalSize), "Overflow while adding data to Effect heap." );
// align original value
finalSize = AlignToPowerOf2(finalSize - c_DataAlignment, c_DataAlignment);
VBD( finalSize <= m_dwBufferSize, "Overflow adding data to Effect heap." );
*ppPointer = m_pData + m_dwSize;
assert(*ppPointer == AlignToPowerOf2(*ppPointer, c_DataAlignment));
if( bCopyData )
{
memcpy(*ppPointer, pData, dwSize);
}
m_dwSize = finalSize;
lExit:
if (FAILED(hr))
*ppPointer = nullptr;
return hr;
}
_Use_decl_annotations_
HRESULT CEffectHeap::AddData(const void *pData, uint32_t dwSize, void **ppPointer)
{
return AddDataInternal<true>( pData, dwSize, ppPointer );
}
// Moves a string from the general heap to the private heap and modifies the pointer to
// point to the new memory block.
// The general heap is freed as a whole, so we don't worry about leaking the given string pointer.
// This data is forcibly aligned, so make sure you account for that in calculating heap size
_Use_decl_annotations_
HRESULT CEffectHeap::MoveString(char **ppString)
{
HRESULT hr;
char *pNewPointer;
if (*ppString == nullptr)
return S_OK;
hr = AddString(*ppString, &pNewPointer);
if ( SUCCEEDED(hr) )
*ppString = pNewPointer;
return hr;
}
// Allocates space but does not move data
// The general heap is freed as a whole, so we don't worry about leaking the given string pointer.
// This data is forcibly aligned, so make sure you account for that in calculating heap size
_Use_decl_annotations_
HRESULT CEffectHeap::MoveEmptyDataBlock(void **ppData, uint32_t size)
{
HRESULT hr;
void *pNewPointer;
hr = AddDataInternal<false>(*ppData, size, &pNewPointer);
if (SUCCEEDED(hr))
{
*ppData = pNewPointer;
if (size == 0)
{
// To help catch bugs, set zero-byte blocks to null. There's no real reason to do this
*ppData = nullptr;
}
}
return hr;
}
// Moves an array of SInterfaceParameters from the general heap to the private heap and modifies the pointer to
// point to the new memory block.
// The general heap is freed as a whole, so we don't worry about leaking the given string pointer.
// This data is forcibly aligned, so make sure you account for that in calculating heap size
_Use_decl_annotations_
HRESULT CEffectHeap::MoveInterfaceParameters(uint32_t InterfaceCount, SShaderBlock::SInterfaceParameter **ppInterfaces)
{
HRESULT hr;
SShaderBlock::SInterfaceParameter *pNewPointer;
if (*ppInterfaces == nullptr)
return S_OK;
VBD( InterfaceCount <= D3D11_SHADER_MAX_INTERFACES, "Internal loading error: InterfaceCount > D3D11_SHADER_MAX_INTERFACES." );
VH( AddData(*ppInterfaces, InterfaceCount * sizeof(SShaderBlock::SInterfaceParameter), (void**)&pNewPointer) );
for( size_t i=0; i < InterfaceCount; i++ )
{
VH( MoveString( &pNewPointer[i].pName ) );
}
*ppInterfaces = pNewPointer;
lExit:
return hr;
}
// Moves data from the general heap to the private heap and modifies the pointer to
// point to the new memory block
// The general heap is freed as a whole, so we don't worry about leaking the given pointer.
// This data is forcibly aligned, so make sure you account for that in calculating heap size
_Use_decl_annotations_
HRESULT CEffectHeap::MoveData(void **ppData, uint32_t size)
{
HRESULT hr;
void *pNewPointer;
hr = AddData(*ppData, size, &pNewPointer);
if ( SUCCEEDED(hr) )
{
*ppData = pNewPointer;
if (size == 0)
{
// To help catch bugs, set zero-byte blocks to null. There's no real reason to do this
*ppData = nullptr;
}
}
return hr;
}
//////////////////////////////////////////////////////////////////////////
// Load API
//////////////////////////////////////////////////////////////////////////
_Use_decl_annotations_
HRESULT CEffect::LoadEffect(const void *pEffectBuffer, uint32_t cbEffectBuffer)
{
HRESULT hr = S_OK;
CEffectLoader loader;
if (!pEffectBuffer)
{
DPF(0, "%s: pEffectBuffer is nullptr.", g_szEffectLoadArea);
VH( E_INVALIDARG );
}
VH( loader.LoadEffect(this, pEffectBuffer, cbEffectBuffer) );
lExit:
if( FAILED( hr ) )
{
// Release here because m_pShaderBlocks may still be in loader.m_BulkHeap if loading failed before we reallocated the memory
ReleaseShaderRefection();
}
return hr;
}
//////////////////////////////////////////////////////////////////////////
// CEffectLoader
// A helper class which loads an effect
//////////////////////////////////////////////////////////////////////////
CEffectLoader::CEffectLoader() noexcept :
m_pData(nullptr),
m_pHeader(nullptr),
m_Version(0),
m_pEffect(nullptr),
m_pReflection(nullptr),
m_dwBufferSize(0),
m_pOldVars(nullptr),
m_pOldShaders(nullptr),
m_pOldDS(nullptr),
m_pOldAB(nullptr),
m_pOldRS(nullptr),
m_pOldCBs(nullptr),
m_pOldSamplers(nullptr),
m_OldInterfaceCount(0),
m_pOldInterfaces(nullptr),
m_pOldShaderResources(nullptr),
m_pOldUnorderedAccessViews(nullptr),
m_pOldRenderTargetViews(nullptr),
m_pOldDepthStencilViews(nullptr),
m_pOldStrings(nullptr),
m_pOldMemberDataBlocks(nullptr),
m_pvOldMemberInterfaces(nullptr),
m_pOldGroups(nullptr),
m_EffectMemory(0),
m_ReflectionMemory(0)
{
}
_Use_decl_annotations_
HRESULT CEffectLoader::GetUnstructuredDataBlock(uint32_t offset, uint32_t *pdwSize, void **ppData)
{
HRESULT hr = S_OK;
uint32_t *pBlockSize;
VH( m_msUnstructured.ReadAtOffset(offset, sizeof(*pBlockSize), (void**) &pBlockSize ) );
*pdwSize = *pBlockSize;
VH( m_msUnstructured.Read(ppData, *pdwSize) );
lExit:
return hr;
}
// position in buffer is lost on error
//
// This function should be used in 1:1 conjunction with CEffectHeap::MoveString;
// that is, any string added to the reflection heap with this function
// must be relocated with MoveString at some point later on.
_Use_decl_annotations_
HRESULT CEffectLoader::GetStringAndAddToReflection(uint32_t offset, char **ppString)
{
HRESULT hr = S_OK;
LPCSTR pName;
size_t oldPos;
if (offset == 0)
{
*ppString = nullptr;
goto lExit;
}
oldPos = m_msUnstructured.GetPosition();
VH( m_msUnstructured.ReadAtOffset(offset, &pName) );
m_ReflectionMemory += AlignToPowerOf2( (uint32_t)strlen(pName) + 1, c_DataAlignment);
*ppString = const_cast<char*>(pName);
m_msUnstructured.Seek(oldPos);
lExit:
return hr;
}
// position in buffer is lost on error
//
// This function should be used in 1:1 conjunction with CEffectHeap::MoveInterfaceParameters;
// that is, any array of parameters added to the reflection heap with this function
// must be relocated with MoveInterfaceParameters at some point later on.
_Use_decl_annotations_
HRESULT CEffectLoader::GetInterfaceParametersAndAddToReflection( uint32_t InterfaceCount, uint32_t offset, SShaderBlock::SInterfaceParameter **ppInterfaces )
{
HRESULT hr = S_OK;
SBinaryInterfaceInitializer* pInterfaceInitializer;
size_t oldPos;
if (offset == 0)
{
*ppInterfaces = nullptr;
goto lExit;
}
oldPos = m_msUnstructured.GetPosition();
VBD( InterfaceCount <= D3D11_SHADER_MAX_INTERFACES, "Internal loading error: InterfaceCount > D3D11_SHADER_MAX_INTERFACES." );
m_ReflectionMemory += AlignToPowerOf2(InterfaceCount * sizeof(SShaderBlock::SInterfaceParameter), c_DataAlignment);
assert( ppInterfaces != 0 );
_Analysis_assume_( ppInterfaces != 0 );
(*ppInterfaces) = PRIVATENEW SShaderBlock::SInterfaceParameter[InterfaceCount];
VN( *ppInterfaces );
VHD( m_msUnstructured.ReadAtOffset(offset, sizeof(SBinaryInterfaceInitializer) * InterfaceCount, (void**)&pInterfaceInitializer),
"Invalid pEffectBuffer: cannot read interface initializer." );
for( size_t i=0; i < InterfaceCount; i++ )
{
(*ppInterfaces)[i].Index = pInterfaceInitializer[i].ArrayIndex;
VHD( m_msUnstructured.ReadAtOffset(pInterfaceInitializer[i].oInstanceName, const_cast<LPCSTR*>(&(*ppInterfaces)[i].pName)),
"Invalid pEffectBuffer: cannot read interface initializer." );
m_ReflectionMemory += AlignToPowerOf2( (uint32_t)strlen((*ppInterfaces)[i].pName) + 1, c_DataAlignment);
}
m_msUnstructured.Seek(oldPos);
lExit:
return hr;
}
HRESULT CEffectLoader::FixupCBPointer(_Inout_ SConstantBuffer **ppCB)
{
HRESULT hr = S_OK;
size_t index = (SConstantBuffer*)*ppCB - m_pOldCBs;
assert( index * sizeof(SConstantBuffer) == ((size_t)(SConstantBuffer*)*ppCB - (size_t)m_pOldCBs) );
VBD( index < m_pEffect->m_CBCount, "Internal loading error: invalid constant buffer index." );
*ppCB = (SConstantBuffer*)(m_pEffect->m_pCBs + index);
lExit:
return hr;
}
HRESULT CEffectLoader::FixupShaderPointer(_Inout_ SShaderBlock **ppShaderBlock)
{
HRESULT hr = S_OK;
if (*ppShaderBlock != &g_NullVS && *ppShaderBlock != &g_NullGS && *ppShaderBlock != &g_NullPS &&
*ppShaderBlock != &g_NullHS && *ppShaderBlock != &g_NullDS && *ppShaderBlock != &g_NullCS &&
*ppShaderBlock != nullptr)
{
size_t index = *ppShaderBlock - m_pOldShaders;
assert( index * sizeof(SShaderBlock) == ((size_t)*ppShaderBlock - (size_t)m_pOldShaders) );
VBD( index < m_pEffect->m_ShaderBlockCount, "Internal loading error: invalid shader index." );
*ppShaderBlock = m_pEffect->m_pShaderBlocks + index;
}
lExit:
return hr;
}
HRESULT CEffectLoader::FixupDSPointer(_Inout_ SDepthStencilBlock **ppDSBlock)
{
HRESULT hr = S_OK;
if (*ppDSBlock != &g_NullDepthStencil && *ppDSBlock != nullptr)
{
size_t index = *ppDSBlock - m_pOldDS;
assert( index * sizeof(SDepthStencilBlock) == ((size_t)*ppDSBlock - (size_t)m_pOldDS) );
VBD( index < m_pEffect->m_DepthStencilBlockCount, "Internal loading error: invalid depth-stencil state index." );
*ppDSBlock = m_pEffect->m_pDepthStencilBlocks + index;
}
lExit:
return hr;
}
HRESULT CEffectLoader::FixupABPointer(_Inout_ SBlendBlock **ppABBlock)
{
HRESULT hr = S_OK;
if (*ppABBlock != &g_NullBlend && *ppABBlock != nullptr)
{
size_t index = *ppABBlock - m_pOldAB;
assert( index * sizeof(SBlendBlock) == ((size_t)*ppABBlock - (size_t)m_pOldAB) );
VBD( index < m_pEffect->m_BlendBlockCount, "Internal loading error: invalid blend state index." );
*ppABBlock = m_pEffect->m_pBlendBlocks + index;
}
lExit:
return hr;
}
HRESULT CEffectLoader::FixupRSPointer(_Inout_ SRasterizerBlock **ppRSBlock)
{
HRESULT hr = S_OK;
if (*ppRSBlock != &g_NullRasterizer && *ppRSBlock != nullptr)
{
size_t index = *ppRSBlock - m_pOldRS;
assert( index * sizeof(SRasterizerBlock) == ((size_t)*ppRSBlock - (size_t)m_pOldRS) );
VBD( index < m_pEffect->m_RasterizerBlockCount, "Internal loading error: invalid rasterizer state index." );
*ppRSBlock = m_pEffect->m_pRasterizerBlocks + index;
}
lExit:
return hr;
}
HRESULT CEffectLoader::FixupSamplerPointer(_Inout_ SSamplerBlock **ppSampler)
{
HRESULT hr = S_OK;
size_t index = *ppSampler - m_pOldSamplers;
assert( index * sizeof(SSamplerBlock) == ((size_t)*ppSampler - (size_t)m_pOldSamplers) );
VBD( index < m_pEffect->m_SamplerBlockCount, "Internal loading error: invalid sampler index." );
*ppSampler = m_pEffect->m_pSamplerBlocks + index;
lExit:
return hr;
}
HRESULT CEffectLoader::FixupInterfacePointer(_Inout_ SInterface **ppInterface, _In_ bool CheckBackgroundInterfaces)
{
HRESULT hr = S_OK;
if (*ppInterface != &g_NullInterface && *ppInterface != nullptr)
{
size_t index = *ppInterface - m_pOldInterfaces;
if(index < m_OldInterfaceCount)
{
assert( index * sizeof(SInterface) == ((size_t)*ppInterface - (size_t)m_pOldInterfaces) );
*ppInterface = m_pEffect->m_pInterfaces + index;
}
else
{
VBD( CheckBackgroundInterfaces, "Internal loading error: invalid interface pointer." );
for( index=0; index < m_BackgroundInterfaces.GetSize(); index++ )
{
if( *ppInterface == m_BackgroundInterfaces[ (uint32_t)index ] )
{
// The interfaces m_BackgroundInterfaces were concatenated to the original ones in m_pEffect->m_pInterfaces
*ppInterface = m_pEffect->m_pInterfaces + (m_OldInterfaceCount + index);
break;
}
}
VBD( index < m_BackgroundInterfaces.GetSize(), "Internal loading error: invalid interface pointer." );
}
}
lExit:
return hr;
}
HRESULT CEffectLoader::FixupShaderResourcePointer(_Inout_ SShaderResource **ppResource)
{
HRESULT hr = S_OK;
if (*ppResource != &g_NullTexture && *ppResource != nullptr)
{
size_t index = *ppResource - m_pOldShaderResources;
assert( index * sizeof(SShaderResource) == ((size_t)*ppResource - (size_t)m_pOldShaderResources) );
// could be a TBuffer or a texture; better check first
if (index < m_pEffect->m_ShaderResourceCount)
{
*ppResource = m_pEffect->m_pShaderResources + index;
}
else
{
// if this is a TBuffer, then the shader resource pointer
// actually points into a SConstantBuffer's TBuffer field
index = (SConstantBuffer*)*ppResource - (SConstantBuffer*)&m_pOldCBs->TBuffer;
assert( index * sizeof(SConstantBuffer) == ((size_t)(SConstantBuffer*)*ppResource - (size_t)(SConstantBuffer*)&m_pOldCBs->TBuffer) );
VBD( index < m_pEffect->m_CBCount, "Internal loading error: invalid SRV index." );
*ppResource = &m_pEffect->m_pCBs[index].TBuffer;
}
}
lExit:
return hr;
}
HRESULT CEffectLoader::FixupUnorderedAccessViewPointer(_Inout_ SUnorderedAccessView **ppUnorderedAccessView)
{
HRESULT hr = S_OK;
if (*ppUnorderedAccessView != &g_NullUnorderedAccessView && *ppUnorderedAccessView != nullptr)
{
size_t index = *ppUnorderedAccessView - m_pOldUnorderedAccessViews;
assert( index * sizeof(SUnorderedAccessView) == ((size_t)*ppUnorderedAccessView - (size_t)m_pOldUnorderedAccessViews) );
VBD( index < m_pEffect->m_UnorderedAccessViewCount, "Internal loading error: invalid UAV index." );
*ppUnorderedAccessView = m_pEffect->m_pUnorderedAccessViews + index;
}
lExit:
return hr;
}
HRESULT CEffectLoader::FixupRenderTargetViewPointer(_Inout_ SRenderTargetView **ppRenderTargetView)
{
HRESULT hr = S_OK;
if (*ppRenderTargetView != &g_NullRenderTargetView && *ppRenderTargetView != nullptr)
{
size_t index = *ppRenderTargetView - m_pOldRenderTargetViews;
assert( index * sizeof(SRenderTargetView) == ((size_t)*ppRenderTargetView - (size_t)m_pOldRenderTargetViews) );
VBD( index < m_pEffect->m_RenderTargetViewCount, "Internal loading error: invalid RTV index." );
*ppRenderTargetView = m_pEffect->m_pRenderTargetViews + index;
}
lExit:
return hr;
}
HRESULT CEffectLoader::FixupDepthStencilViewPointer(_Inout_ SDepthStencilView **ppDepthStencilView)
{
HRESULT hr = S_OK;
if (*ppDepthStencilView != &g_NullDepthStencilView && *ppDepthStencilView != nullptr)
{
size_t index = *ppDepthStencilView - m_pOldDepthStencilViews;
assert( index * sizeof(SDepthStencilView) == ((size_t)*ppDepthStencilView - (size_t)m_pOldDepthStencilViews) );
VBD( index < m_pEffect->m_DepthStencilViewCount, "Internal loading error: invalid DSV index." );
*ppDepthStencilView = m_pEffect->m_pDepthStencilViews + index;
}
lExit:
return hr;
}
HRESULT CEffectLoader::FixupStringPointer(_Inout_ SString **ppString)
{
HRESULT hr = S_OK;
size_t index = *ppString - m_pOldStrings;
assert( index * sizeof(SString) == ((size_t)*ppString - (size_t)m_pOldStrings) );
VBD(index < m_pEffect->m_StringCount, "Internal loading error: invalid string index." );
*ppString = m_pEffect->m_pStrings + index;
lExit:
return hr;
}
HRESULT CEffectLoader::FixupMemberDataPointer(_Inout_ SMemberDataPointer **ppMemberData)
{
HRESULT hr = S_OK;
size_t index = *ppMemberData - m_pOldMemberDataBlocks;
assert( index * sizeof(SMemberDataPointer) == ((size_t)*ppMemberData - (size_t)m_pOldMemberDataBlocks) );
VBD( index < m_pEffect->m_MemberDataCount, "Internal loading error: invalid member block index." );
*ppMemberData = m_pEffect->m_pMemberDataBlocks + index;
lExit:
return hr;
}
HRESULT CEffectLoader::FixupVariablePointer(_Inout_ SGlobalVariable **ppVar)
{
HRESULT hr = S_OK;
size_t index = *ppVar - m_pOldVars;
if( index < m_pEffect->m_VariableCount )
{
assert( index * sizeof(SGlobalVariable) == ((size_t)*ppVar - (size_t)m_pOldVars) );
*ppVar = m_pEffect->m_pVariables + index;
}
else if( m_pvOldMemberInterfaces )
{
// When cloning, m_pvOldMemberInterfaces may be non-nullptr, and *ppVar may point to a variable in it.
const size_t Members = m_pvOldMemberInterfaces->GetSize();
for( index=0; index < Members; index++ )
{
if( (ID3DX11EffectVariable*)(*m_pvOldMemberInterfaces)[ (uint32_t)index] == (ID3DX11EffectVariable*)*ppVar )
{
break;
}
}
VBD( index < Members, "Internal loading error: invalid member pointer." );
*ppVar = (SGlobalVariable*)m_pEffect->m_pMemberInterfaces[ (uint32_t)index];
}
lExit:
return hr;
}
HRESULT CEffectLoader::FixupGroupPointer(_Inout_ SGroup **ppGroup)
{
HRESULT hr = S_OK;
if( *ppGroup != nullptr )
{
size_t index = *ppGroup - m_pOldGroups;
assert( index * sizeof(SGroup) == ((size_t)*ppGroup - (size_t)m_pOldGroups) );
VBD( index < m_pEffect->m_GroupCount, "Internal loading error: invalid group index." );
*ppGroup = m_pEffect->m_pGroups + index;
}
lExit:
return hr;
}
static HRESULT GetEffectVersion( _In_ uint32_t effectFileTag, _Out_ DWORD* pVersion )
{
assert( pVersion != nullptr );
if( !pVersion )
return E_FAIL;
for( size_t i = 0; i < _countof(g_EffectVersions); i++ )
{
if( g_EffectVersions[i].m_Tag == effectFileTag )
{
*pVersion = g_EffectVersions[i].m_Version;
return S_OK;
}
}
return E_FAIL;
}
_Use_decl_annotations_
HRESULT CEffectLoader::LoadEffect(CEffect *pEffect, const void *pEffectBuffer, uint32_t cbEffectBuffer)
{
HRESULT hr = S_OK;
uint32_t i, varSize, cMemberDataBlocks;
CCheckedDword chkVariables = 0;
// Used for cloning
m_pvOldMemberInterfaces = nullptr;
m_BulkHeap.EnableAlignment();
assert(pEffect && pEffectBuffer);
m_pEffect = pEffect;
m_EffectMemory = m_ReflectionMemory = 0;
VN( m_pEffect->m_pReflection = new CEffectReflection() );
m_pReflection = m_pEffect->m_pReflection;
// Begin effect load
VN( m_pEffect->m_pTypePool = new CEffect::CTypeHashTable );
VN( m_pEffect->m_pStringPool = new CEffect::CStringHashTable );
VN( m_pEffect->m_pPooledHeap = new CDataBlockStore );
m_pEffect->m_pPooledHeap->EnableAlignment();
m_pEffect->m_pTypePool->SetPrivateHeap(m_pEffect->m_pPooledHeap);
m_pEffect->m_pStringPool->SetPrivateHeap(m_pEffect->m_pPooledHeap);
VH( m_pEffect->m_pTypePool->AutoGrow() );
VH( m_pEffect->m_pStringPool->AutoGrow() );
// Load from blob
m_pData = (uint8_t*)pEffectBuffer;
m_dwBufferSize = cbEffectBuffer;
VH( m_msStructured.SetData(m_pData, m_dwBufferSize) );
// At this point, we assume that the blob is valid
VHD( m_msStructured.Read((void**) &m_pHeader, sizeof(*m_pHeader)), "pEffectBuffer is too small." );
// Verify the version
if( FAILED( hr = GetEffectVersion( m_pHeader->Tag, &m_Version ) ) )
{
DPF(0, "Effect version is unrecognized. This runtime supports fx_5_0 to %s.", g_EffectVersions[_countof(g_EffectVersions)-1].m_pName );
VH( hr );
}
if( m_pHeader->RequiresPool() || m_pHeader->Pool.cObjectVariables > 0 || m_pHeader->Pool.cNumericVariables > 0 )
{
DPF(0, "Effect11 does not support EffectPools." );
VH( E_FAIL );
}
// Get shader block count
VBD( m_pHeader->cInlineShaders <= m_pHeader->cTotalShaders, "Invalid Effect header: cInlineShaders > cTotalShaders." );
// Make sure the counts for the Effect don't overflow
chkVariables = m_pHeader->Effect.cObjectVariables;
chkVariables += m_pHeader->Effect.cNumericVariables;
chkVariables += m_pHeader->cInterfaceVariables;
chkVariables *= sizeof(SGlobalVariable);
VH( chkVariables.GetValue(&varSize) );
// Make sure the counts for the SMemberDataPointers don't overflow
chkVariables = m_pHeader->cClassInstanceElements;
chkVariables += m_pHeader->cBlendStateBlocks;
chkVariables += m_pHeader->cRasterizerStateBlocks;
chkVariables += m_pHeader->cDepthStencilBlocks;
chkVariables += m_pHeader->cSamplers;
chkVariables += m_pHeader->Effect.cCBs; // Buffer (for CBuffers and TBuffers)
chkVariables += m_pHeader->Effect.cCBs; // SRV (for TBuffers)
VHD( chkVariables.GetValue(&cMemberDataBlocks), "Overflow: too many Effect variables." );
// Allocate effect resources
VN( m_pEffect->m_pCBs = PRIVATENEW SConstantBuffer[m_pHeader->Effect.cCBs] );
VN( m_pEffect->m_pDepthStencilBlocks = PRIVATENEW SDepthStencilBlock[m_pHeader->cDepthStencilBlocks] );
VN( m_pEffect->m_pRasterizerBlocks = PRIVATENEW SRasterizerBlock[m_pHeader->cRasterizerStateBlocks] );
VN( m_pEffect->m_pBlendBlocks = PRIVATENEW SBlendBlock[m_pHeader->cBlendStateBlocks] );
VN( m_pEffect->m_pSamplerBlocks = PRIVATENEW SSamplerBlock[m_pHeader->cSamplers] );
// we allocate raw bytes for variables because they are polymorphic types that need to be placement new'ed
VN( m_pEffect->m_pVariables = (SGlobalVariable *)PRIVATENEW uint8_t[varSize] );
VN( m_pEffect->m_pAnonymousShaders = PRIVATENEW SAnonymousShader[m_pHeader->cInlineShaders] );
VN( m_pEffect->m_pGroups = PRIVATENEW SGroup[m_pHeader->cGroups] );
VN( m_pEffect->m_pShaderBlocks = PRIVATENEW SShaderBlock[m_pHeader->cTotalShaders] );
VN( m_pEffect->m_pStrings = PRIVATENEW SString[m_pHeader->cStrings] );
VN( m_pEffect->m_pShaderResources = PRIVATENEW SShaderResource[m_pHeader->cShaderResources] );
VN( m_pEffect->m_pUnorderedAccessViews = PRIVATENEW SUnorderedAccessView[m_pHeader->cUnorderedAccessViews] );
VN( m_pEffect->m_pInterfaces = PRIVATENEW SInterface[m_pHeader->cInterfaceVariableElements] );
VN( m_pEffect->m_pMemberDataBlocks = PRIVATENEW SMemberDataPointer[cMemberDataBlocks] );
VN( m_pEffect->m_pRenderTargetViews = PRIVATENEW SRenderTargetView[m_pHeader->cRenderTargetViews] );
VN( m_pEffect->m_pDepthStencilViews = PRIVATENEW SDepthStencilView[m_pHeader->cDepthStencilViews] );
uint32_t oStructured = m_pHeader->cbUnstructured + sizeof(SBinaryHeader5);
VHD( m_msStructured.Seek(oStructured), "Invalid pEffectBuffer: Missing structured data block." );
VH( m_msUnstructured.SetData(m_pData + sizeof(SBinaryHeader5), oStructured - sizeof(SBinaryHeader5)) );
VH( LoadCBs() );
VH( LoadObjectVariables() );
VH( LoadInterfaceVariables() );
VH( LoadGroups() );
// Build shader dependencies
for (i=0; i<m_pEffect->m_ShaderBlockCount; i++)
{
VH( BuildShaderBlock(&m_pEffect->m_pShaderBlocks[i]) );
}
for( size_t iGroup=0; iGroup<m_pHeader->cGroups; iGroup++ )
{
SGroup *pGroup = &m_pEffect->m_pGroups[iGroup];
pGroup->HasDependencies = false;
for( size_t iTechnique=0; iTechnique < pGroup->TechniqueCount; iTechnique++ )
{
STechnique* pTech = &pGroup->pTechniques[iTechnique];
pTech->HasDependencies = false;
for( size_t iPass=0; iPass < pTech->PassCount; iPass++ )
{
SPassBlock *pPass = &pTech->pPasses[iPass];
pTech->HasDependencies |= pPass->CheckDependencies();
}
pGroup->HasDependencies |= pTech->HasDependencies;
}
}
VH( InitializeReflectionDataAndMoveStrings() );
VH( ReallocateReflectionData() );
VH( ReallocateEffectData() );
VB( m_pReflection->m_Heap.GetSize() == m_ReflectionMemory );
// Verify that all of the various block/variable types were loaded
VBD( m_pEffect->m_VariableCount == (m_pHeader->Effect.cObjectVariables + m_pHeader->Effect.cNumericVariables + m_pHeader->cInterfaceVariables), "Internal loading error: mismatched variable count." );
VBD( m_pEffect->m_ShaderBlockCount == m_pHeader->cTotalShaders, "Internal loading error: mismatched shader block count." );
VBD( m_pEffect->m_AnonymousShaderCount == m_pHeader->cInlineShaders, "Internal loading error: mismatched anonymous variable count." );
VBD( m_pEffect->m_ShaderResourceCount == m_pHeader->cShaderResources, "Internal loading error: mismatched SRV count." );
VBD( m_pEffect->m_InterfaceCount == m_pHeader->cInterfaceVariableElements + m_BackgroundInterfaces.GetSize(), "Internal loading error: mismatched interface count." );
VBD( m_pEffect->m_UnorderedAccessViewCount == m_pHeader->cUnorderedAccessViews, "Internal loading error: mismatched UAV count." );
VBD( m_pEffect->m_MemberDataCount == cMemberDataBlocks, "Internal loading error: mismatched member data block count." );
VBD( m_pEffect->m_RenderTargetViewCount == m_pHeader->cRenderTargetViews, "Internal loading error: mismatched RTV count." );
VBD( m_pEffect->m_DepthStencilViewCount == m_pHeader->cDepthStencilViews, "Internal loading error: mismatched DSV count." );
VBD( m_pEffect->m_DepthStencilBlockCount == m_pHeader->cDepthStencilBlocks, "Internal loading error: mismatched depth-stencil state count." );
VBD( m_pEffect->m_BlendBlockCount == m_pHeader->cBlendStateBlocks, "Internal loading error: mismatched blend state count." );
VBD( m_pEffect->m_RasterizerBlockCount == m_pHeader->cRasterizerStateBlocks, "Internal loading error: mismatched rasterizer state count." );
VBD( m_pEffect->m_SamplerBlockCount == m_pHeader->cSamplers, "Internal loading error: mismatched sampler count." );
VBD( m_pEffect->m_StringCount == m_pHeader->cStrings, "Internal loading error: mismatched string count." );
// Uncomment if you really need this information
// DPF(0, "Effect heap size: %d, reflection heap size: %d, allocations avoided: %d", m_EffectMemory, m_ReflectionMemory, m_BulkHeap.m_cAllocations);
lExit:
return hr;
}
// position in buffer is lost on error
_Use_decl_annotations_
HRESULT CEffectLoader::LoadStringAndAddToPool(char **ppString, uint32_t dwOffset)
{
HRESULT hr = S_OK;
char *pName;
uint32_t hash;
size_t oldPos;
CEffect::CStringHashTable::CIterator iter;
uint32_t len;
if (dwOffset == 0)
{
*ppString = nullptr;
goto lExit;
}
oldPos = m_msUnstructured.GetPosition();
VHD( m_msUnstructured.ReadAtOffset(dwOffset, (LPCSTR *) &pName), "Invalid pEffectBuffer: cannot read string." );
len = (uint32_t)strlen(pName);
hash = ComputeHash((uint8_t *)pName, len);
if (FAILED(m_pEffect->m_pStringPool->FindValueWithHash(pName, hash, &iter)))
{
assert( m_pEffect->m_pPooledHeap != 0 );
_Analysis_assume_( m_pEffect->m_pPooledHeap != 0 );
VN( (*ppString) = new(*m_pEffect->m_pPooledHeap) char[len + 1] );
memcpy(*ppString, pName, len + 1);
VHD( m_pEffect->m_pStringPool->AddValueWithHash(*ppString, hash), "Internal loading error: failed to add string to pool." );
}
else
{
*ppString = const_cast<LPSTR>(iter.GetData());
}
m_msUnstructured.Seek(oldPos);
lExit:
return hr;
}
_Use_decl_annotations_
HRESULT CEffectLoader::LoadTypeAndAddToPool(SType **ppType, uint32_t dwOffset)
{
HRESULT hr = S_OK;
SBinaryType *psType;
SBinaryNumericType *pNumericType;
EObjectType *pObjectType;
uint32_t cMembers, iMember, cInterfaces;
uint32_t oBaseClassType;
SType temporaryType;
CEffect::CTypeHashTable::CIterator iter;
uint8_t *pHashBuffer;
uint32_t hash;
SVariable *pTempMembers = nullptr;
m_HashBuffer.Empty();
VHD( m_msUnstructured.ReadAtOffset(dwOffset, sizeof(SBinaryType), (void**) &psType), "Invalid pEffectBuffer: cannot read type." );