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Add dump file header.
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commit
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@ -19,6 +19,14 @@
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namespace tracy
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{
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static const uint8_t FileHeader[8] { 't', 'r', 'a', 'c', 'y', 0, 3, 0 };
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enum { FileHeaderMagic = 5 };
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static constexpr int FileVersion( uint8_t h5, uint8_t h6, uint8_t h7 )
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{
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return ( h5 << 16 ) | ( h6 << 8 ) | h7;
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}
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Worker::Worker( const char* addr )
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: m_addr( addr )
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, m_connected( false )
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@ -46,7 +54,21 @@ Worker::Worker( FileRead& f, EventType::Type eventMask )
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, m_stream( nullptr )
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, m_buffer( nullptr )
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{
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f.Read( &m_delay, sizeof( m_delay ) );
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int fileVer = 0;
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uint8_t hdr[8];
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f.Read( hdr, sizeof( hdr ) );
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if( memcmp( FileHeader, hdr, FileHeaderMagic ) == 0 )
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{
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fileVer = FileVersion( hdr[FileHeaderMagic], hdr[FileHeaderMagic+1], hdr[FileHeaderMagic+2] );
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f.Read( &m_delay, sizeof( m_delay ) );
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}
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else
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{
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assert( sizeof( m_delay ) == sizeof( hdr ) );
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memcpy( &m_delay, hdr, sizeof( m_delay ) );
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}
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f.Read( &m_resolution, sizeof( m_resolution ) );
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f.Read( &m_timerMul, sizeof( m_timerMul ) );
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f.Read( &m_data.lastTime, sizeof( m_data.lastTime ) );
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@ -290,7 +312,7 @@ Worker::Worker( FileRead& f, EventType::Type eventMask )
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}
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// Support pre-0.3 traces
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if( f.IsEOF() ) return;
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if( fileVer == 0 && f.IsEOF() ) return;
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f.Read( &sz, sizeof( sz ) );
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if( eventMask & EventType::Memory )
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@ -1833,6 +1855,8 @@ void Worker::ReadTimeline( FileRead& f, Vector<GpuEvent*>& vec, uint64_t size )
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void Worker::Write( FileWrite& f )
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{
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f.Write( FileHeader, sizeof( FileHeader ) );
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f.Write( &m_delay, sizeof( m_delay ) );
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f.Write( &m_resolution, sizeof( m_resolution ) );
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f.Write( &m_timerMul, sizeof( m_timerMul ) );
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