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Adaptive display compression range.

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This commit is contained in:
Bartosz Taudul 2017-10-19 21:04:57 +02:00
parent 44cc0827d4
commit 476597f5ed
1 changed files with 9 additions and 5 deletions
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14
server/TracyView.cpp
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@ -2482,6 +2482,7 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover )
auto prevx = it; auto prevx = it;
auto prevy = it; auto prevy = it;
++it; ++it;
ptrdiff_t skip = 0;
while( it < end ) while( it < end )
{ {
const auto x0 = ( (*prevx)->time - m_zvStart ) * pxns; const auto x0 = ( (*prevx)->time - m_zvStart ) * pxns;
@ -2491,7 +2492,9 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover )
draw->AddLine( wpos + ImVec2( x0, offset + y0 ), wpos + ImVec2( x1, offset + y1 ), 0xFF44DDDD ); draw->AddLine( wpos + ImVec2( x0, offset + y0 ), wpos + ImVec2( x1, offset + y1 ), 0xFF44DDDD );
auto range = std::upper_bound( it, end, int64_t( (*it)->time + nspx * 2.5 ), [] ( const auto& l, const auto& r ) { return l < r->time; } ); const auto rx = skip == 0 ? 2.0 : ( skip == 1 ? 2.5 : 4.0 );
auto range = std::upper_bound( it, end, int64_t( (*it)->time + nspx * rx ), [] ( const auto& l, const auto& r ) { return l < r->time; } );
assert( range > it ); assert( range > it );
const auto rsz = std::distance( it, range ); const auto rsz = std::distance( it, range );
if( rsz == 1 ) if( rsz == 1 )
@ -2505,8 +2508,9 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover )
{ {
prevx = it; prevx = it;
const auto skip = std::max<ptrdiff_t>( 1, rsz / 1024 ); skip = rsz / 512;
const auto sz = rsz / skip + 1; const auto skip1 = std::max<ptrdiff_t>( 1, skip );
const auto sz = rsz / skip1 + 1;
if( m_tmpVecSize < sz ) if( m_tmpVecSize < sz )
{ {
@ -2519,9 +2523,9 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover )
for(;;) for(;;)
{ {
*dst++ = float( (*it)->val ); *dst++ = float( (*it)->val );
if( std::distance( it, range ) > skip ) if( std::distance( it, range ) > skip1 )
{ {
it += skip; it += skip1;
} }
else else
{ {