Split FileRead::Skip into small and big part.

This commit is contained in:
Bartosz Taudul 2018-04-30 02:31:03 +02:00
parent b1a440647d
commit b598300186

View File

@ -42,7 +42,7 @@ public:
}
}
void Skip( size_t size )
tracy_force_inline void Skip( size_t size )
{
if( size <= BufSize - m_offset )
{
@ -50,23 +50,7 @@ public:
}
else
{
char m_lz4buf[LZ4Size];
while( size > 0 )
{
if( m_offset == BufSize )
{
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, sz, BufSize );
}
const auto sz = std::min( size, BufSize - m_offset );
m_offset += sz;
size -= sz;
}
SkipBig( size );
}
}
@ -132,6 +116,27 @@ private:
}
}
void SkipBig( size_t size )
{
char m_lz4buf[LZ4Size];
while( size > 0 )
{
if( m_offset == BufSize )
{
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, sz, BufSize );
}
const auto sz = std::min( size, BufSize - m_offset );
m_offset += sz;
size -= sz;
}
}
enum { BufSize = 64 * 1024 };
enum { LZ4Size = LZ4_COMPRESSBOUND( BufSize ) };