目前新版DXSDK 2008.6以后的BorderColor是使用float4类型,而在360里仍然使用DWORD,如果不做转换则通过词法分析后会导致unhandled exception.
另外360上编译shader速度相当慢,最好读取编译过的shader,但是不能在PC上编,因为POWERPC和X86字节序不同。
编译函数如下
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ID3DXBuffer* CompileEffectOutput( const char* InFileName )
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{
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assert( InFileName && "Input file name could not be empty!" );
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//Create output file name
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std::string OutFileName = std::string( InFileName ) + "o";
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//Check output file exist
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ID3DXBuffer *pCompiledData = NULL;
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std::ifstream fin;
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fin.open( OutFileName.c_str(), std::ios_base::in | std::ios_base::binary );
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if( !fin )
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{
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//First time to create binary data.
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ID3DXBuffer *pErrorMsg = NULL;
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ID3DXEffectCompiler *pCompiler = NULL;
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HRESULT hr = S_OK;
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try
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{
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//Load file
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fin.clear();
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fin.open( InFileName, std::ios_base::in | std::ios_base::binary );
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if( !fin )
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{
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assert( false && "Could not open input file, do you forget prefix : [Game:\\\\] ?" );
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throw std::runtime_error( "Open input file failed" );
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}
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fin.seekg( 0,std::ios_base::end );
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std::streamsize fileSize = fin.tellg();
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fin.seekg( 0,std::ios_base::beg );
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char *fileBuf = new char[fileSize];
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fin.read( fileBuf, fileSize );
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fin.close();
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//Create compiler
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hr = D3DXCreateEffectCompiler( fileBuf, fileSize, NULL, NULL, 0, &pCompiler, &pErrorMsg );
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if( FAILED(hr) )
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{
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if( pErrorMsg )
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OutputDebugStringA( static_cast<char*>( pErrorMsg->GetBufferPointer() ) );
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assert( false && "Create Effect Compiler failed!" );
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throw std::runtime_error( "Create Effect Compiler failed" );
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}
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//Compile Effect to create compiled binary data
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hr = pCompiler->CompileEffect( 0, &pCompiledData, &pErrorMsg );
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if( FAILED(hr) )
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{
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if( pErrorMsg )
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OutputDebugStringA( static_cast<char*>( pErrorMsg->GetBufferPointer() ) );
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assert( false && "Compile Effect failed!" );
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throw std::runtime_error( "Compile Effect failed" );
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}
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}
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catch( std::runtime_error& )
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{
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URelease( pCompiler );
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URelease( pCompiledData );
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URelease( pErrorMsg );
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throw;
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}
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//Save compiled effect data to file
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std::ofstream fout;
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fout.open( OutFileName.c_str(), std::ios_base::out | std::ios_base::binary );
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if( !fout )
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{
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assert( false && "Open output failed!" );
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throw std::runtime_error( "Open output failed" );
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}
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fout.write( static_cast<char*>( pCompiledData->GetBufferPointer() ), pCompiledData->GetBufferSize() );
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fout.close();
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}
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else
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{
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//Load compiled data
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fin.seekg( 0,std::ios_base::end );
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std::streamsize fileSize = fin.tellg();
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fin.seekg( 0,std::ios_base::beg );
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char *fileBuf = new char[fileSize];
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fin.read( fileBuf, fileSize );
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fin.close();
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HRESULT hr = D3DXCreateBuffer( fileSize, &pCompiledData );
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if( FAILED( hr ) )
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{
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URelease( pCompiledData );
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assert( false && "Could not create buffer." );
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throw std::runtime_error( "Create buffer failed" );
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}
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memcpy( pCompiledData->GetBufferPointer(), fileBuf, fileSize );
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delete [] fileBuf;
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}
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//Return compiled data
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assert( pCompiledData );
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return pCompiledData;
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}
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