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Optimize drawing plots.

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This commit is contained in:
Bartosz Taudul 2017-10-18 22:29:59 +02:00
parent e7c582bb4d
commit 4f3a64be9d
2 changed files with 61 additions and 10 deletions
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67
server/TracyView.cpp
View File

@ -2375,6 +2375,7 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover )
auto draw = ImGui::GetWindowDrawList();
const auto to = 9.f;
const auto th = ( ty - to ) * sqrt( 3 ) * 0.5;
const auto nspx = 1.0 / pxns;
for( auto& v : m_plots )
{
@ -2456,23 +2457,64 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover )
{
const auto x = ( it->time - m_zvStart ) * pxns;
const auto y = PlotHeight - ( it->val - min ) * revrange * PlotHeight;
DrawPlotPoint( wpos, x, y, offset, 0xFF44DDDD, hover, false, it->val, 0 );
DrawPlotPoint( wpos, x, y, offset, 0xFF44DDDD, hover, false, it->val, 0, false );
}
auto prev = it;
auto prevx = it;
auto prevy = it;
++it;
while( it < end )
{
const auto x0 = ( prev->time - m_zvStart ) * pxns;
const auto x0 = ( prevx->time - m_zvStart ) * pxns;
const auto x1 = ( it->time - m_zvStart ) * pxns;
const auto y0 = PlotHeight - ( prev->val - min ) * revrange * PlotHeight;
const auto y0 = PlotHeight - ( prevy->val - min ) * revrange * PlotHeight;
const auto y1 = PlotHeight - ( it->val - min ) * revrange * PlotHeight;
draw->AddLine( wpos + ImVec2( x0, offset + y0 ), wpos + ImVec2( x1, offset + y1 ), 0xFF44DDDD );
DrawPlotPoint( wpos, x1, y1, offset, 0xFF44DDDD, hover, true, it->val, prev->val );
prev = it;
++it;
auto range = std::upper_bound( it, end, int64_t( it->time + nspx * 2.5 ), [] ( const auto& l, const auto& r ) { return l < r.time; } );
assert( range > it );
if( std::distance( it, range ) == 1 )
{
DrawPlotPoint( wpos, x1, y1, offset, 0xFF44DDDD, hover, true, it->val, prevy->val, false );
prevx = it;
prevy = it;
++it;
}
else
{
assert( m_tmpVec.empty() );
prevx = it;
while( it < range )
{
m_tmpVec.emplace_back( &*it );
++it;
}
std::sort( m_tmpVec.begin(), m_tmpVec.end(), [] ( const auto& l, const auto& r ) { return l->val < r->val; } );
draw->AddLine( wpos + ImVec2( x1, offset + PlotHeight - ( (*m_tmpVec.begin())->val - min ) * revrange * PlotHeight ), wpos + ImVec2( x1, offset + PlotHeight - ( m_tmpVec.back()->val - min ) * revrange * PlotHeight ), 0xFF44DDDD );
auto vit = m_tmpVec.begin();
while( vit < m_tmpVec.end() )
{
auto vrange = std::upper_bound( vit, m_tmpVec.end(), (*vit)->val + 3.0 / ( revrange * PlotHeight ), [] ( const auto& l, const auto& r ) { return l < r->val; } );
assert( vrange > vit );
if( std::distance( vit, vrange ) == 1 )
{
DrawPlotPoint( wpos, x1, PlotHeight - ( (*vit)->val - min ) * revrange * PlotHeight, offset, 0xFF44DDDD, hover, false, (*vit)->val, 0, false );
}
else
{
DrawPlotPoint( wpos, x1, PlotHeight - ( (*vit)->val - min ) * revrange * PlotHeight, offset, 0xFF44DDDD, hover, false, (*vit)->val, 0, true );
}
vit = vrange;
}
prevy = it - 1;
m_tmpVec.clear();
}
}
offset += PlotHeight - ty;
@ -2490,10 +2532,17 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover )
return offset;
}
void View::DrawPlotPoint( const ImVec2& wpos, float x, float y, int offset, uint32_t color, bool hover, bool hasPrev, double val, double prev )
void View::DrawPlotPoint( const ImVec2& wpos, float x, float y, int offset, uint32_t color, bool hover, bool hasPrev, double val, double prev, bool merged )
{
auto draw = ImGui::GetWindowDrawList();
draw->AddRect( wpos + ImVec2( x - 1.5f, offset + y - 1.5f ), wpos + ImVec2( x + 2.5f, offset + y + 2.5f ), color );
if( merged )
{
draw->AddRectFilled( wpos + ImVec2( x - 1.5f, offset + y - 1.5f ), wpos + ImVec2( x + 2.5f, offset + y + 2.5f ), color );
}
else
{
draw->AddRect( wpos + ImVec2( x - 1.5f, offset + y - 1.5f ), wpos + ImVec2( x + 2.5f, offset + y + 2.5f ), color );
}
if( ImGui::IsMouseHoveringRect( wpos + ImVec2( x - 2, offset ), wpos + ImVec2( x + 2, offset + PlotHeight ) ) )
{

4
server/TracyView.hpp
View File

@ -153,7 +153,7 @@ private:
int DrawLocks( uint64_t tid, bool hover, double pxns, const ImVec2& wpos, int offset, LockHighlight& highlight );
void DrawZoneInfoWindow();
int DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover );
void DrawPlotPoint( const ImVec2& wpos, float x, float y, int offset, uint32_t color, bool hover, bool hasPrev, double val, double prev );
void DrawPlotPoint( const ImVec2& wpos, float x, float y, int offset, uint32_t color, bool hover, bool hasPrev, double val, double prev, bool merged );
void DrawOptions();
void DrawMessages();
@ -250,6 +250,8 @@ private:
bool m_drawPlots;
bool m_terminate;
std::vector<PlotItem*> m_tmpVec;
};
}