/// Write out a formatted message to this log using a variable argument list.
///
/// @param[in] level Logging level.
/// @param[in] pFormat Format string.
/// @param[in] argList Initialized variable argument list for the format arguments (va_start() should have already
/// been called on this as necessary).
void Helium::Trace::OutputVa( ETraceLevel level, const tchar_t* pFormat, va_list argList )
{
HELIUM_ASSERT( pFormat );
MutexScopeLock scopeLock( m_mutex );
if( level < m_level )
{
return;
}
if( m_bNewLine || level != m_lastMessageLevel )
{
OutputImplementation( GetLevelString( level ) );
}
m_bNewLine = false;
m_lastMessageLevel = level;
tchar_t buffer[ DEFAULT_MESSAGE_BUFFER_SIZE ];
va_list argListTemp = argList;
int result = StringFormatVa( buffer, HELIUM_ARRAY_COUNT( buffer ), pFormat, argListTemp );
if( static_cast< unsigned int >( result ) < HELIUM_ARRAY_COUNT( buffer ) )
{
OutputImplementation( buffer );
m_bNewLine = ( buffer[ result - 1 ] == TXT( '\n' ) );
return;
}
if( result < 0 )
{
argListTemp = argList;
result = StringFormatVa( NULL, 0, pFormat, argListTemp );
HELIUM_ASSERT( result >= 0 );
}
size_t bufferSize = static_cast< size_t >( result ) + 1;
DefaultAllocator allocator;
tchar_t* pBuffer = static_cast< tchar_t* >( allocator.Allocate( sizeof( tchar_t ) * bufferSize ) );
HELIUM_ASSERT( pBuffer );
if( pBuffer )
{
argListTemp = argList;
result = StringFormatVa( pBuffer, bufferSize, pFormat, argListTemp );
HELIUM_ASSERT( result == static_cast< int >( bufferSize - 1 ) );
OutputImplementation( pBuffer );
m_bNewLine = ( pBuffer[ result - 1 ] == TXT( '\n' ) );
allocator.Free( pBuffer );
}
}
/// Reallocate a block of memory for FreeType.
///
/// @param[in] pMemory Handle to the source memory manager.
/// @param[in] currentSize Current block size, in bytes.
/// @param[in] newSize New block size, in bytes.
/// @param[in] pBlock Block to reallocate.
///
/// @return Pointer to the reallocated block of memory, or null if reallocation failed.
///
/// @see FreeTypeAllocate(), FreeTypeFree()
static void* FreeTypeReallocate( FT_Memory /*pMemory*/, long currentSize, long newSize, void* pBlock )
{
DefaultAllocator allocator;
// We cannot call Reallocate() if either the old or new size requires SIMD alignment (see FreeTypeAllocate() for
// more information about why we need to align some allocations), so call Free()/Allocate()/AllocateAligned()
// instead as appropriate.
if( newSize < HELIUM_SIMD_SIZE )
{
if( currentSize < HELIUM_SIMD_SIZE )
{
// Our allocators allow for null pointers to be passed to their reallocate functions, so we do not need to
// validate the block parameter.
pBlock = allocator.Reallocate( pBlock, newSize );
}
else
{
void* pOldBlock = pBlock;
// Our allocators treat a realloc() with a size of zero as a free, so simulate that functionality here.
pBlock = NULL;
if( newSize )
{
pBlock = allocator.Allocate( newSize );
if( pBlock )
{
HELIUM_ASSERT( newSize < currentSize );
MemoryCopy( pBlock, pOldBlock, newSize );
}
}
allocator.Free( pOldBlock );
}
}
else
{
void* pOldBlock = pBlock;
// Note that newSize >= HELIUM_SIMD_SIZE, so we don't need to check for non-zero sizes here.
pBlock = allocator.AllocateAligned( HELIUM_SIMD_ALIGNMENT, newSize );
if( pBlock )
{
MemoryCopy( pBlock, pOldBlock, Min( currentSize, newSize ) );
}
allocator.Free( pOldBlock );
}
return pBlock;
}
/// Allocate a block of memory for FreeType.
///
/// @param[in] pMemory Handle to the source memory manager.
/// @param[in] size Number of bytes to allocate.
///
/// @return Address of the newly allocated block of memory, or null if allocation failed.
///
/// @see FreeTypeFree(), FreeTypeReallocate()
static void* FreeTypeAllocate( FT_Memory /*pMemory*/, long size )
{
DefaultAllocator allocator;
// FreeType uses setjmp()/longjmp(), and because our SSE settings bleed into dependency projects, jmp_buf needs to
// be 16-byte aligned for backing up SSE register states. To avoid misaligned jmp_buf instances, we align all
// allocations of 16 bytes or greater to 16-byte boundaries.
void* pBlock;
if( size < HELIUM_SIMD_SIZE )
{
pBlock = allocator.Allocate( size );
}
else
{
pBlock = allocator.AllocateAligned( HELIUM_SIMD_ALIGNMENT, size );
}
return pBlock;
}
/// Assignment operator.
///
/// @param[in] rSource Source object from which to copy.
///
/// @return Reference to this object.
XmlTemplateSerializer::PropertyData& XmlTemplateSerializer::PropertyData::operator=( const PropertyData& rSource )
{
if( this != &rSource )
{
DefaultAllocator allocator;
allocator.Free( m_pData );
m_pData = NULL;
m_name = rSource.m_name;
m_size = rSource.m_size;
if( m_size != 0 )
{
HELIUM_ASSERT( rSource.m_pData );
m_pData = allocator.Allocate( m_size );
HELIUM_ASSERT( m_pData );
MemoryCopy( m_pData, rSource.m_pData, m_size );
}
}
return *this;
}
/// @copydoc ResourceHandler::CacheResource()
bool ShaderResourceHandler::CacheResource(
ObjectPreprocessor* pObjectPreprocessor,
Resource* pResource,
const String& rSourceFilePath )
{
HELIUM_ASSERT( pObjectPreprocessor );
HELIUM_ASSERT( pResource );
const Shader* pShader = Reflect::AssertCast< const Shader >( pResource );
GameObjectPath shaderPath = pShader->GetPath();
HELIUM_TRACE( TraceLevels::Info, TXT( "ShaderResourceHandler: Caching \"%s\".\n" ), *shaderPath.ToString() );
DefaultAllocator allocator;
FileStream* pSourceFileStream = FileStream::OpenFileStream( rSourceFilePath, FileStream::MODE_READ );
if( !pSourceFileStream )
{
HELIUM_TRACE(
TraceLevels::Error,
TXT( "ShaderResourceHandler: Source file for shader resource \"%s\" failed to open properly.\n" ),
*shaderPath.ToString() );
return false;
}
// Load the entire shader resource into memory.
int64_t size64 = pSourceFileStream->GetSize();
HELIUM_ASSERT( size64 != -1 );
HELIUM_ASSERT( static_cast< uint64_t >( size64 ) <= static_cast< size_t >( -1 ) );
if( size64 > static_cast< uint64_t >( static_cast< size_t >( -1 ) ) )
{
HELIUM_TRACE(
TraceLevels::Error,
( TXT( "ShaderResourceHandler: Source file for shader resource \"%s\" is too large to fit into " )
TXT( "memory for preprocessing.\n" ) ),
*shaderPath.ToString() );
delete pSourceFileStream;
return false;
}
size_t size = static_cast< size_t >( size64 );
void* pShaderData = allocator.Allocate( size );
HELIUM_ASSERT( pShaderData );
if( !pShaderData )
{
HELIUM_TRACE(
TraceLevels::Error,
( TXT( "ShaderResourceHandler: Failed to allocate %" ) TPRIuSZ TXT( " bytes for loading the source " )
TXT( "data of \"%s\" for preprocessing.\n" ) ),
size,
*shaderPath.ToString() );
delete pSourceFileStream;
return false;
}
BufferedStream( pSourceFileStream ).Read( pShaderData, 1, size );
delete pSourceFileStream;
// Parse all preprocessor toggle and selection tokens from the shader source.
Shader::PersistentResourceData resourceData;
const char* pLineEnd = static_cast< const char* >( pShaderData );
const char* pShaderEnd = pLineEnd + size;
do
{
const char* pLineStart = pLineEnd;
while( pLineEnd < pShaderEnd )
{
char character = *pLineEnd;
if( character == '\n' || character == '\r' )
{
break;
}
++pLineEnd;
}
ParseLine( shaderPath, resourceData, pLineStart, pLineEnd );
while( pLineEnd < pShaderEnd )
{
char character = *pLineEnd;
if( character != '\n' && character != '\r' )
{
break;
}
++pLineEnd;
}
} while( pLineEnd < pShaderEnd );
allocator.Free( pShaderData );
// Serialize the persistent shader resource data for each platform.
for( size_t platformIndex = 0; platformIndex < static_cast< size_t >( Cache::PLATFORM_MAX ); ++platformIndex )
{
PlatformPreprocessor* pPreprocessor = pObjectPreprocessor->GetPlatformPreprocessor(
static_cast< Cache::EPlatform >( platformIndex ) );
if( !pPreprocessor )
{
continue;
}
Resource::PreprocessedData& rPreprocessedData = pResource->GetPreprocessedData(
static_cast< Cache::EPlatform >( platformIndex ) );
SaveObjectToPersistentDataBuffer(&resourceData, rPreprocessedData.persistentDataBuffer);
rPreprocessedData.subDataBuffers.Resize( 0 );
rPreprocessedData.bLoaded = true;
}
return true;
}
/// @copydoc ResourceHandler::CacheResource()
bool ShaderVariantResourceHandler::CacheResource(
ObjectPreprocessor* pObjectPreprocessor,
Resource* pResource,
const String& rSourceFilePath )
{
HELIUM_ASSERT( pObjectPreprocessor );
HELIUM_ASSERT( pResource );
ShaderVariant* pVariant = Reflect::AssertCast< ShaderVariant >( pResource );
// Parse the shader type and user option index from the variant name.
Name variantName = pVariant->GetName();
const tchar_t* pVariantNameString = *variantName;
HELIUM_ASSERT( pVariantNameString );
tchar_t shaderTypeCharacter = pVariantNameString[ 0 ];
HELIUM_ASSERT( shaderTypeCharacter != TXT( '\0' ) );
RShader::EType shaderType;
switch( shaderTypeCharacter )
{
case TXT( 'v' ):
{
shaderType = RShader::TYPE_VERTEX;
break;
}
case TXT( 'p' ):
{
shaderType = RShader::TYPE_PIXEL;
break;
}
default:
{
HELIUM_TRACE(
TRACE_ERROR,
( TXT( "ShaderVariantResourceHandler: Failed to determine shader type from the name of object " )
TXT( "\"%s\".\n" ) ),
*pVariant->GetPath().ToString() );
return false;
}
}
uint32_t userOptionIndex = 0;
++pVariantNameString;
int parseResult;
#if HELIUM_UNICODE
#if HELIUM_CC_CL
parseResult = swscanf_s( pVariantNameString, TXT( "%" ) TSCNu32, &userOptionIndex );
#else
parseResult = swscanf( pVariantNameString, TXT( "%" ) TSCNu32, &userOptionIndex );
#endif
#else
#if HELIUM_CC_CL
parseResult = sscanf_s( pVariantNameString, TXT( "%" ) TSCNu32, &userOptionIndex );
#else
parseResult = sscanf( pVariantNameString, TXT( "%" ) TSCNu32, &userOptionIndex );
#endif
#endif
if( parseResult != 1 )
{
HELIUM_TRACE(
TRACE_ERROR,
( TXT( "ShaderVariantResourceHandler: Failed to parse user shader option set index from the name of " )
TXT( "option \"%s\".\n" ) ),
*pVariant->GetPath().ToString() );
return false;
}
// Get the parent shader.
Shader* pShader = Reflect::AssertCast< Shader >( pVariant->GetOwner() );
HELIUM_ASSERT( pShader );
HELIUM_ASSERT( pShader->GetAnyFlagSet( GameObject::FLAG_PRECACHED ) );
// Acquire the user preprocessor option set associated with the target shader type and user option set index.
const Shader::Options& rUserOptions = pShader->GetUserOptions();
DynArray< Name > toggleNames;
DynArray< Shader::SelectPair > selectPairs;
rUserOptions.GetOptionSetFromIndex( shaderType, userOptionIndex, toggleNames, selectPairs );
DynArray< PlatformPreprocessor::ShaderToken > shaderTokens;
size_t userToggleNameCount = toggleNames.GetSize();
for( size_t toggleNameIndex = 0; toggleNameIndex < userToggleNameCount; ++toggleNameIndex )
{
PlatformPreprocessor::ShaderToken* pToken = shaderTokens.New();
HELIUM_ASSERT( pToken );
StringConverter< tchar_t, char >::Convert( pToken->name, *toggleNames[ toggleNameIndex ] );
pToken->definition = "1";
}
size_t userSelectPairCount = selectPairs.GetSize();
for( size_t selectPairIndex = 0; selectPairIndex < userSelectPairCount; ++selectPairIndex )
{
const Shader::SelectPair& rPair = selectPairs[ selectPairIndex ];
PlatformPreprocessor::ShaderToken* pToken = shaderTokens.New();
HELIUM_ASSERT( pToken );
StringConverter< tchar_t, char >::Convert( pToken->name, *rPair.name );
pToken->definition = "1";
pToken = shaderTokens.New();
HELIUM_ASSERT( pToken );
StringConverter< tchar_t, char >::Convert( pToken->name, *rPair.choice );
pToken->definition = "1";
}
size_t userShaderTokenCount = shaderTokens.GetSize();
// Load the entire shader resource into memory.
FileStream* pSourceFileStream = File::Open( rSourceFilePath, FileStream::MODE_READ );
if( !pSourceFileStream )
{
HELIUM_TRACE(
TRACE_ERROR,
( TXT( "ShaderVariantResourceHandler: Source file for shader variant resource \"%s\" failed to open " )
TXT( "properly.\n" ) ),
*pVariant->GetPath().ToString() );
return false;
}
int64_t size64 = pSourceFileStream->GetSize();
HELIUM_ASSERT( size64 != -1 );
HELIUM_ASSERT( static_cast< uint64_t >( size64 ) <= static_cast< size_t >( -1 ) );
if( size64 > static_cast< uint64_t >( static_cast< size_t >( -1 ) ) )
{
HELIUM_TRACE(
TRACE_ERROR,
( TXT( "ShaderVariantResourceHandler: Source file for shader resource \"%s\" is too large to fit " )
TXT( "into memory for preprocessing.\n" ) ),
*pShader->GetPath().ToString() );
delete pSourceFileStream;
return false;
}
size_t size = static_cast< size_t >( size64 );
DefaultAllocator allocator;
void* pShaderSource = allocator.Allocate( size );
HELIUM_ASSERT( pShaderSource );
if( !pShaderSource )
{
HELIUM_TRACE(
TRACE_ERROR,
( TXT( "ShaderVariantResourceHandler: Failed to allocate %" ) TPRIuSZ TXT( " bytes for loading the " )
TXT( "source data of \"%s\" for preprocessing.\n" ) ),
size,
*pShader->GetPath().ToString() );
delete pSourceFileStream;
return false;
}
BufferedStream( pSourceFileStream ).Read( pShaderSource, 1, size );
delete pSourceFileStream;
// Compile each variant of system options for each shader profile in each supported target platform.
const Shader::Options& rSystemOptions = pShader->GetSystemOptions();
size_t systemOptionSetCount = rSystemOptions.ComputeOptionSetCount( shaderType );
if( systemOptionSetCount > UINT32_MAX )
{
HELIUM_TRACE(
TRACE_ERROR,
( TXT( "ShaderVariantResourceHandler: System option set count (%" ) TPRIuSZ TXT( ") in shader \"%s\" " )
TXT( "exceeds the maximum supported (%" ) TPRIuSZ TXT( ").\n" ) ),
systemOptionSetCount,
*pShader->GetPath().ToString(),
static_cast< size_t >( UINT32_MAX ) );
allocator.Free( pShaderSource );
return false;
}
uint32_t systemOptionSetCount32 = static_cast< uint32_t >( systemOptionSetCount );
for( size_t platformIndex = 0; platformIndex < static_cast< size_t >( Cache::PLATFORM_MAX ); ++platformIndex )
{
PlatformPreprocessor* pPreprocessor = pObjectPreprocessor->GetPlatformPreprocessor(
static_cast< Cache::EPlatform >( platformIndex ) );
if( !pPreprocessor )
{
continue;
}
Resource::PreprocessedData& rPreprocessedData = pVariant->GetPreprocessedData(
static_cast< Cache::EPlatform >( platformIndex ) );
ShaderVariant::PersistentResourceData persistentResourceData;
persistentResourceData.m_resourceCount = systemOptionSetCount32;
SaveObjectToPersistentDataBuffer(&persistentResourceData, rPreprocessedData.persistentDataBuffer);
size_t shaderProfileCount = pPreprocessor->GetShaderProfileCount();
size_t shaderCount = shaderProfileCount * systemOptionSetCount;
DynArray< DynArray< uint8_t > >& rSubDataBuffers = rPreprocessedData.subDataBuffers;
rSubDataBuffers.Reserve( shaderCount );
rSubDataBuffers.Resize( 0 );
rSubDataBuffers.Resize( shaderCount );
rSubDataBuffers.Trim();
rPreprocessedData.bLoaded = true;
}
// DynArray< uint8_t > compiledCodeBuffer;
// DynArray< ShaderConstantBufferInfo > constantBuffers, pcSm4ConstantBuffers;
// DynArray< ShaderSamplerInfo > samplerInputs;
// DynArray< ShaderTextureInfo > textureInputs;
CompiledShaderData csd_pc_sm4;
for( size_t systemOptionSetIndex = 0; systemOptionSetIndex < systemOptionSetCount; ++systemOptionSetIndex )
{
rSystemOptions.GetOptionSetFromIndex( shaderType, systemOptionSetIndex, toggleNames, selectPairs );
size_t systemToggleNameCount = toggleNames.GetSize();
for( size_t toggleNameIndex = 0; toggleNameIndex < systemToggleNameCount; ++toggleNameIndex )
{
PlatformPreprocessor::ShaderToken* pToken = shaderTokens.New();
HELIUM_ASSERT( pToken );
StringConverter< tchar_t, char >::Convert( pToken->name, *toggleNames[ toggleNameIndex ] );
pToken->definition = "1";
}
size_t systemSelectPairCount = selectPairs.GetSize();
for( size_t selectPairIndex = 0; selectPairIndex < systemSelectPairCount; ++selectPairIndex )
{
const Shader::SelectPair& rPair = selectPairs[ selectPairIndex ];
PlatformPreprocessor::ShaderToken* pToken = shaderTokens.New();
HELIUM_ASSERT( pToken );
StringConverter< tchar_t, char >::Convert( pToken->name, *rPair.name );
pToken->definition = "1";
pToken = shaderTokens.New();
HELIUM_ASSERT( pToken );
StringConverter< tchar_t, char >::Convert( pToken->name, *rPair.choice );
pToken->definition = "1";
}
// Compile for PC shader model 4 first so that we can get the constant buffer information.
PlatformPreprocessor* pPreprocessor = pObjectPreprocessor->GetPlatformPreprocessor( Cache::PLATFORM_PC );
HELIUM_ASSERT( pPreprocessor );
csd_pc_sm4.compiledCodeBuffer.Resize( 0 );
bool bCompiled = CompileShader(
pVariant,
pPreprocessor,
Cache::PLATFORM_PC,
ShaderProfile::PC_SM4,
shaderType,
pShaderSource,
size,
shaderTokens,
csd_pc_sm4.compiledCodeBuffer );
if( !bCompiled )
{
HELIUM_TRACE(
TRACE_ERROR,
( TXT( "ShaderVariantResourceHandler: Failed to compile shader for PC shader model 4, which is " )
TXT( "needed for reflection purposes. Additional shader targets will not be built.\n" ) ) );
}
else
{
csd_pc_sm4.constantBuffers.Resize( 0 );
csd_pc_sm4.samplerInputs.Resize( 0 );
csd_pc_sm4.textureInputs.Resize( 0 );
bool bReadConstantBuffers = pPreprocessor->FillShaderReflectionData(
ShaderProfile::PC_SM4,
csd_pc_sm4.compiledCodeBuffer.GetData(),
csd_pc_sm4.compiledCodeBuffer.GetSize(),
csd_pc_sm4.constantBuffers,
csd_pc_sm4.samplerInputs,
csd_pc_sm4.textureInputs );
if( !bReadConstantBuffers )
{
HELIUM_TRACE(
TRACE_ERROR,
( TXT( "ShaderVariantResourceHandler: Failed to read reflection information for PC shader " )
TXT( "model 4. Additional shader targets will not be built.\n" ) ) );
}
else
{
Resource::PreprocessedData& rPcPreprocessedData = pVariant->GetPreprocessedData(
Cache::PLATFORM_PC );
DynArray< DynArray< uint8_t > >& rPcSubDataBuffers = rPcPreprocessedData.subDataBuffers;
DynArray< uint8_t >& rPcSm4SubDataBuffer =
rPcSubDataBuffers[ ShaderProfile::PC_SM4 * systemOptionSetCount + systemOptionSetIndex ];
Cache::WriteCacheObjectToBuffer(csd_pc_sm4, rPcSm4SubDataBuffer);
// FOR EACH PLATFORM
for( size_t platformIndex = 0;
platformIndex < static_cast< size_t >( Cache::PLATFORM_MAX );
++platformIndex )
{
PlatformPreprocessor* pPreprocessor = pObjectPreprocessor->GetPlatformPreprocessor(
static_cast< Cache::EPlatform >( platformIndex ) );
if( !pPreprocessor )
{
continue;
}
// GET PLATFORM'S SUBDATA BUFFER
Resource::PreprocessedData& rPreprocessedData = pVariant->GetPreprocessedData(
static_cast< Cache::EPlatform >( platformIndex ) );
DynArray< DynArray< uint8_t > >& rSubDataBuffers = rPreprocessedData.subDataBuffers;
size_t shaderProfileCount = pPreprocessor->GetShaderProfileCount();
for( size_t shaderProfileIndex = 0;
shaderProfileIndex < shaderProfileCount;
++shaderProfileIndex )
{
CompiledShaderData csd;
// Already cached PC shader model 4...
if( shaderProfileIndex == ShaderProfile::PC_SM4 && platformIndex == Cache::PLATFORM_PC )
{
continue;
}
bCompiled = CompileShader(
pVariant,
pPreprocessor,
platformIndex,
shaderProfileIndex,
shaderType,
pShaderSource,
size,
shaderTokens,
csd.compiledCodeBuffer );
if( !bCompiled )
{
continue;
}
csd.constantBuffers = csd_pc_sm4.constantBuffers;
csd.samplerInputs.Resize( 0 );
csd.textureInputs.Resize( 0 );
bReadConstantBuffers = pPreprocessor->FillShaderReflectionData(
shaderProfileIndex,
csd.compiledCodeBuffer.GetData(),
csd.compiledCodeBuffer.GetSize(),
csd.constantBuffers,
csd.samplerInputs,
csd.textureInputs );
if( !bReadConstantBuffers )
{
continue;
}
DynArray< uint8_t >& rTargetSubDataBuffer =
rSubDataBuffers[ shaderProfileIndex * systemOptionSetCount + systemOptionSetIndex ];
Cache::WriteCacheObjectToBuffer(csd, rTargetSubDataBuffer);
}
}
}
}
// Trim the system tokens off the shader token list for the next pass.
shaderTokens.Resize( userShaderTokenCount );
}
allocator.Free( pShaderSource );
return true;
}
/// Begin asynchronous loading of the cache table of contents.
///
/// This must be called after calling Initialize() in order to begin using an existing cache.
///
/// @return True if loading was started successfully, false if not.
///
/// @see TryFinishLoadToc(), IsTocLoaded(), Initialize()
bool Cache::BeginLoadToc()
{
if( IsValid( m_asyncLoadId ) )
{
HELIUM_TRACE(
TraceLevels::Warning,
TXT( "Cache::BeginLoadToc(): Async load of TOC file \"%s\" already in progress.\n" ),
*m_tocFileName );
return true;
}
if( m_tocFileName.IsEmpty() )
{
HELIUM_TRACE( TraceLevels::Error, TXT( "Cache::BeginLoadToc(): Called without having initialized the cache.\n" ) );
return false;
}
if( IsInvalid( m_tocSize ) )
{
HELIUM_TRACE( TraceLevels::Info, TXT( "Cache::BeginLoadToc(): TOC file does not seem to exist. MOVING ON...\n" ) );
// Since the TOC doesn't exist, we can consider its loading to be complete.
m_bTocLoaded = true;
return false;
}
HELIUM_ASSERT( !m_pTocBuffer );
DefaultAllocator allocator;
m_pTocBuffer = static_cast< uint8_t* >( allocator.Allocate( m_tocSize ) );
HELIUM_ASSERT( m_pTocBuffer );
if( !m_pTocBuffer )
{
HELIUM_TRACE(
TraceLevels::Error,
TXT( "Cache::BeginLoadToc(): Failed to allocate %" ) TPRIu32 TXT( " bytes for TOC file \"%s\".\n" ),
m_tocSize,
*m_tocFileName );
return false;
}
AsyncLoader& rLoader = AsyncLoader::GetStaticInstance();
m_asyncLoadId = rLoader.QueueRequest( m_pTocBuffer, m_tocFileName, 0, m_tocSize );
HELIUM_ASSERT( IsValid( m_asyncLoadId ) );
if( IsInvalid( m_asyncLoadId ) )
{
HELIUM_TRACE(
TraceLevels::Error,
TXT( "Cache::BeginLoadToc(): Failed to begin asynchronous load of TOC file \"%s\".\n" ),
*m_tocFileName );
allocator.Free( m_pTocBuffer );
m_pTocBuffer = NULL;
return false;
}
m_bTocLoaded = false;
return true;
}
/// Open a shader include file.
///
/// @param[in] includeType Location of the include file.
/// @param[in] pFileName Name of the include file.
/// @param[in] pParentData Pointer to the container that includes the include file.
/// @param[out] ppData Pointer to the returned buffer that contains the include directives. This pointer
/// remains valid until Close() is called.
/// @param[out] pBytes Number of bytes returned in ppData.
///
/// @return S_OK if the include file was loaded successfully, an error code if not.
///
/// @see Close()
HRESULT D3DIncludeHandler::Open(
D3D10_INCLUDE_TYPE /*includeType*/,
LPCSTR pFileName,
LPCVOID /*pParentData*/,
LPCVOID* ppData,
UINT* pBytes )
{
HELIUM_ASSERT( pFileName );
HELIUM_ASSERT( ppData );
HELIUM_ASSERT( pBytes );
// Build the path to the file to include.
String fileName;
StringConverter< char, tchar_t >::Convert( fileName, pFileName );
Path includePath( m_shaderDirectory + fileName.GetData() );
// Attempt to open and read the contents of the include file.
FileStream* pIncludeFileStream = File::Open( includePath.c_str(), FileStream::MODE_READ );
if( !pIncludeFileStream )
{
HELIUM_TRACE(
TRACE_ERROR,
TXT( "D3DIncludeHandler::Open(): Failed to open include file \"%s\" for reading.\n" ),
*includePath );
return E_FAIL;
}
int64_t fileSizeActual = pIncludeFileStream->GetSize();
HELIUM_ASSERT( fileSizeActual >= 0 );
if( fileSizeActual > UINT32_MAX )
{
HELIUM_TRACE(
TRACE_ERROR,
( TXT( "D3DIncludeHandler::Open(): Include file \"%s\" is larger than 4 GB and cannot be read.\n" ) ),
*includePath );
delete pIncludeFileStream;
return E_FAIL;
}
uint32_t fileSize = static_cast< uint32_t >( fileSizeActual );
DefaultAllocator allocator;
void* pBuffer = allocator.Allocate( fileSize );
if( !pBuffer )
{
HELIUM_TRACE(
TRACE_ERROR,
( TXT( "D3DIncludeHandler::Open(): Failed to allocate %" ) TPRIu32 TXT( " bytes for loading include " )
TXT( "file \"%s\".\n" ) ),
fileSize,
*includePath );
delete pIncludeFileStream;
return E_FAIL;
}
size_t bytesRead = pIncludeFileStream->Read( pBuffer, 1, fileSize );
if( bytesRead != fileSize )
{
HELIUM_TRACE(
TRACE_WARNING,
( TXT( "D3DIncludeHandler::Open(): Include file \"%s\" claimed to be %" ) TPRIu32 TXT( " bytes, but " )
TXT( "only %" ) TPRIuSZ TXT( " bytes could be read.\n" ) ),
*includePath,
fileSize,
bytesRead );
fileSize = static_cast< uint32_t >( bytesRead );
}
delete pIncludeFileStream;
*ppData = pBuffer;
*pBytes = fileSize;
return S_OK;
}