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Remove one level of indirection in FileRead.

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This commit is contained in:
Bartosz Taudul 2018-04-30 02:26:15 +02:00
parent c3efe228ce
commit fd46651c32
1 changed files with 11 additions and 9 deletions
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20
server/TracyFileRead.hpp
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@ -55,12 +55,12 @@ public:
{
if( m_offset == BufSize )
{
m_active = 1 - m_active;
std::swap( m_buf, m_second );
m_offset = 0;
uint32_t sz;
fread( &sz, 1, sizeof( sz ), m_file );
fread( m_lz4buf, 1, sz, m_file );
m_lastBlock = LZ4_decompress_safe_continue( m_stream, m_lz4buf, m_buf[m_active], sz, BufSize );
m_lastBlock = LZ4_decompress_safe_continue( m_stream, m_lz4buf, m_buf, sz, BufSize );
}
const auto sz = std::min( size, BufSize - m_offset );
@ -85,8 +85,9 @@ private:
FileRead( FILE* f )
: m_stream( LZ4_createStreamDecode() )
, m_file( f )
, m_buf( m_bufData[0] )
, m_second( m_bufData[1] )
, m_offset( BufSize )
, m_active( 1 )
, m_lastBlock( 0 )
{
char hdr[4];
@ -103,7 +104,7 @@ private:
tracy_force_inline void ReadSmall( void* ptr, size_t size )
{
memcpy( ptr, m_buf[m_active] + m_offset, size );
memcpy( ptr, m_buf + m_offset, size );
m_offset += size;
}
@ -115,16 +116,16 @@ private:
{
if( m_offset == BufSize )
{
m_active = 1 - m_active;
std::swap( m_buf, m_second );
m_offset = 0;
uint32_t sz;
fread( &sz, 1, sizeof( sz ), m_file );
fread( m_lz4buf, 1, sz, m_file );
m_lastBlock = LZ4_decompress_safe_continue( m_stream, m_lz4buf, m_buf[m_active], sz, BufSize );
m_lastBlock = LZ4_decompress_safe_continue( m_stream, m_lz4buf, m_buf, sz, BufSize );
}
const auto sz = std::min( size, BufSize - m_offset );
memcpy( dst, m_buf[m_active] + m_offset, sz );
memcpy( dst, m_buf + m_offset, sz );
m_offset += sz;
dst += sz;
size -= sz;
@ -136,9 +137,10 @@ private:
LZ4_streamDecode_t* m_stream;
FILE* m_file;
char m_buf[2][BufSize];
char m_bufData[2][BufSize];
char* m_buf;
char* m_second;
size_t m_offset;
uint8_t m_active;
int m_lastBlock;
};