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https://github.com/wolfpld/tracy.git
synced 2024-11-22 22:44:34 +00:00
Split read/write functions into small and big variants.
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parent
79418d0c57
commit
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@ -30,30 +30,11 @@ public:
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{
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if( size <= BufSize - m_offset )
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{
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memcpy( ptr, m_buf[m_active] + m_offset, size );
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m_offset += size;
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ReadSmall( ptr, size );
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}
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else
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{
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auto dst = (char*)ptr;
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while( size > 0 )
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{
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if( m_offset == BufSize )
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{
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m_active = 1 - m_active;
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m_offset = 0;
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uint32_t sz;
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fread( &sz, 1, sizeof( sz ), m_file );
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fread( m_lz4buf, 1, sz, m_file );
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LZ4_decompress_safe_continue( m_stream, m_lz4buf, m_buf[m_active], sz, BufSize );
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}
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const auto sz = std::min( size, BufSize - m_offset );
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memcpy( dst, m_buf[m_active] + m_offset, sz );
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m_offset += sz;
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dst += sz;
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size -= sz;
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}
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ReadBig( ptr, size );
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}
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}
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@ -65,6 +46,35 @@ private:
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, m_active( 1 )
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{}
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tracy_force_inline void ReadSmall( void* ptr, size_t size )
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{
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memcpy( ptr, m_buf[m_active] + m_offset, size );
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m_offset += size;
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}
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void ReadBig( void* ptr, size_t size )
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{
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auto dst = (char*)ptr;
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while( size > 0 )
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{
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if( m_offset == BufSize )
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{
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m_active = 1 - m_active;
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m_offset = 0;
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uint32_t sz;
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fread( &sz, 1, sizeof( sz ), m_file );
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fread( m_lz4buf, 1, sz, m_file );
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LZ4_decompress_safe_continue( m_stream, m_lz4buf, m_buf[m_active], sz, BufSize );
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}
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const auto sz = std::min( size, BufSize - m_offset );
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memcpy( dst, m_buf[m_active] + m_offset, sz );
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m_offset += sz;
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dst += sz;
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size -= sz;
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}
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}
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enum { BufSize = 64 * 1024 };
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enum { LZ4Size = LZ4_COMPRESSBOUND( BufSize ) };
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@ -34,25 +34,11 @@ public:
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{
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if( m_offset + size <= BufSize )
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{
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memcpy( m_buf[m_active] + m_offset, ptr, size );
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m_offset += size;
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WriteSmall( ptr, size );
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}
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else
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{
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auto src = (const char*)ptr;
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while( size > 0 )
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{
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const auto sz = std::min( size, BufSize - m_offset );
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memcpy( m_buf[m_active] + m_offset, src, sz );
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m_offset += sz;
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src += sz;
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size -= sz;
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if( m_offset == BufSize )
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{
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WriteLz4Block();
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}
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}
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WriteBig( ptr, size );
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}
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}
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@ -64,6 +50,30 @@ private:
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, m_active( 0 )
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{}
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tracy_force_inline void WriteSmall( const void* ptr, size_t size )
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{
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memcpy( m_buf[m_active] + m_offset, ptr, size );
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m_offset += size;
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}
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void WriteBig( const void* ptr, size_t size )
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{
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auto src = (const char*)ptr;
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while( size > 0 )
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{
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const auto sz = std::min( size, BufSize - m_offset );
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memcpy( m_buf[m_active] + m_offset, src, sz );
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m_offset += sz;
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src += sz;
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size -= sz;
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if( m_offset == BufSize )
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{
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WriteLz4Block();
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}
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}
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}
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void WriteLz4Block()
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{
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char lz4[LZ4Size];
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