Draw CPU zones using a precalculated list.

server/TracyTimelineItemThread.cpp

@@ -258,7 +258,7 @@ void TimelineItemThread::HeaderExtraContents( const TimelineContext& ctx, int of
 
 bool TimelineItemThread::DrawContents( const TimelineContext& ctx, int& offset )
 {
-    const auto res = m_view.DrawThread( ctx, *m_thread, offset, m_ghost );
+    const auto res = m_view.DrawThread( ctx, *m_thread, m_draw, offset, m_depth );
     if( !res )
     {
         auto& crash = m_worker.GetCrashEvent();

server/TracyView.hpp

@@ -41,6 +41,7 @@ struct MemoryPage;
 class FileRead;
 class SourceView;
 struct TimelineContext;
+struct TimelineDraw;
 
 class View
 {
@@ -121,7 +122,7 @@ public:
     void HighlightThread( uint64_t thread );
     void ZoomToRange( int64_t start, int64_t end, bool pause = true );
     bool DrawPlot( const TimelineContext& ctx, PlotData& plot, int& offset );
-    bool DrawThread( const TimelineContext& ctx, const ThreadData& thread, int& offset, bool ghostMode );
+    bool DrawThread( const TimelineContext& ctx, const ThreadData& thread, const std::vector<TimelineDraw>& draw, int& offset, int depth );
     void DrawThreadMessages( const TimelineContext& ctx, const ThreadData& thread, int offset );
     void DrawThreadOverlays( const ThreadData& thread, const ImVec2& ul, const ImVec2& dr );
     bool DrawGpu( const TimelineContext& ctx, const GpuCtxData& gpu, int& offset );
@@ -206,16 +207,7 @@ private:
     void DrawTimeline();
     void DrawContextSwitches( const ContextSwitch* ctx, const Vector<SampleData>& sampleData, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int offset, int endOffset, bool isFiber );
     void DrawSamples( const Vector<SampleData>& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int offset );
-#ifndef TRACY_NO_STATISTICS
+    void DrawZoneList( const TimelineContext& ctx, const std::vector<TimelineDraw>& drawList, int offset, uint64_t tid );
-    int DispatchGhostLevel( const Vector<GhostZone>& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int offset, int depth, float yMin, float yMax, uint64_t tid );
-    int DrawGhostLevel( const Vector<GhostZone>& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int offset, int depth, float yMin, float yMax, uint64_t tid );
-    int SkipGhostLevel( const Vector<GhostZone>& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int offset, int depth, float yMin, float yMax, uint64_t tid );
-#endif
-    int DispatchZoneLevel( const Vector<short_ptr<ZoneEvent>>& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int offset, int depth, float yMin, float yMax, uint64_t tid );
-    template<typename Adapter, typename V>
-    int DrawZoneLevel( const V& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int offset, int depth, float yMin, float yMax, uint64_t tid );
-    template<typename Adapter, typename V>
-    int SkipZoneLevel( const V& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int offset, int depth, float yMin, float yMax, uint64_t tid );
     int DispatchGpuZoneLevel( const Vector<short_ptr<GpuEvent>>& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int offset, int depth, uint64_t thread, float yMin, float yMax, int64_t begin, int drift );
     template<typename Adapter, typename V>
     int DrawGpuZoneLevel( const V& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int offset, int depth, uint64_t thread, float yMin, float yMax, int64_t begin, int drift );

server/TracyView_ZoneTimeline.cpp

@@ -5,6 +5,7 @@
 #include "TracyMouse.hpp"
 #include "TracyPrint.hpp"
 #include "TracyTimelineContext.hpp"
+#include "TracyTimelineDraw.hpp"
 #include "TracyView.hpp"
 
 namespace tracy
@@ -22,7 +23,7 @@ static tracy_force_inline uint32_t MixGhostColor( uint32_t c0, uint32_t c1 )
         ( ( ( ( ( c0 & 0x000000FF )       ) + 3 * ( ( c1 & 0x000000FF )       ) ) >> 2 )       );
 }
 
-bool View::DrawThread( const TimelineContext& ctx, const ThreadData& thread, int& offset, bool ghostMode )
+bool View::DrawThread( const TimelineContext& ctx, const ThreadData& thread, const std::vector<TimelineDraw>& draw, int& offset, int depth )
 {
     const auto& wpos = ctx.wpos;
     const auto ty = ctx.ty;
@@ -38,7 +39,6 @@ bool View::DrawThread( const TimelineContext& ctx, const ThreadData& thread, int
     const auto sstep = sty + 1;
     ImGui::PopFont();
 
-    int depth = 0;
     const auto sampleOffset = offset;
     const auto hasSamples = m_vd.drawSamples && !thread.samples.empty();
     const auto hasCtxSwitch = m_vd.drawContextSwitches && m_worker.GetContextSwitchData( thread.id );
@@ -61,15 +61,10 @@ bool View::DrawThread( const TimelineContext& ctx, const ThreadData& thread, int
         offset += round( ostep * 0.75f );
     }
 
-#ifndef TRACY_NO_STATISTICS
+    const auto yPos = wpos.y + offset;
-    if( m_worker.AreGhostZonesReady() && ( ghostMode || ( m_vd.ghostZones && thread.timeline.empty() ) ) )
+    if( !draw.empty() && yPos <= yMax && yPos + ostep * depth >= yMin )
     {
-        depth = DispatchGhostLevel( thread.ghostZones, hover, pxns, int64_t( nspx ), wpos, offset, 0, yMin, yMax, thread.id );
+        DrawZoneList( ctx, draw, offset, thread.id );
-    }
-    else
-#endif
-    {
-        depth = DispatchZoneLevel( thread.timeline, hover, pxns, int64_t( nspx ), wpos, offset, 0, yMin, yMax, thread.id );
     }
     offset += ostep * depth;
 
@@ -236,71 +231,226 @@ void View::DrawThreadOverlays( const ThreadData& thread, const ImVec2& ul, const
     }
 }
 
-#ifndef TRACY_NO_STATISTICS
+void View::DrawZoneList( const TimelineContext& ctx, const std::vector<TimelineDraw>& drawList, int _offset, uint64_t tid )
-int View::DispatchGhostLevel( const Vector<GhostZone>& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int _offset, int depth, float yMin, float yMax, uint64_t tid )
 {
-    const auto ty = ImGui::GetTextLineHeight();
+    auto draw = ImGui::GetWindowDrawList();
+    const auto w = ctx.w;
+    const auto& wpos = ctx.wpos;
+    const auto dpos = wpos + ImVec2( 0.5f, 0.5f );
+    const auto ty = ctx.ty;
     const auto ostep = ty + 1;
-    const auto offset = _offset + ostep * depth;
+    const auto yMin = ctx.yMin;
+    const auto yMax = ctx.yMax;
+    const auto pxns = ctx.pxns;
+    const auto hover = ctx.hover;
+    const auto vStart = ctx.vStart;
+    const auto dsz = m_worker.GetDelay() * pxns;
+    const auto rsz = m_worker.GetResolution() * pxns;
 
-    const auto yPos = wpos.y + offset;
+    const auto ty025 = round( ty * 0.25f );
-    // Inline frames have to be taken into account, hence the multiply by 64 (arbitrary limit for inline frames in client)
+    const auto ty05  = round( ty * 0.5f );
-    if( yPos + 64 * ostep >= yMin && yPos <= yMax )
+    const auto ty075 = round( ty * 0.75f );
+
+    for( auto& v : drawList )
     {
-        return DrawGhostLevel( vec, hover, pxns, nspx, wpos, _offset, depth, yMin, yMax, tid );
+        const auto offset = _offset + ostep * v.depth;
+        const auto yPos = wpos.y + offset;
+        if( yPos > yMax || yPos + ostep < yMin ) continue;
+
+        switch( v.type )
+        {
+        case TimelineDrawType::Folded:
+        {
+            auto& ev = *(const ZoneEvent*)v.ev.get();
+            const auto color = m_vd.dynamicColors == 2 ? 0xFF666666 : GetThreadColor( tid, v.depth );
+            const auto rend = v.rend.Val();
+            const auto px0 = ( ev.Start() - vStart ) * pxns;
+            const auto px1 = ( rend - vStart ) * pxns;
+            draw->AddRectFilled( wpos + ImVec2( std::max( px0, -10.0 ), offset ), wpos + ImVec2( std::min( std::max( px1, px0+MinVisSize ), double( w + 10 ) ), offset + ty ), color );
+            DrawZigZag( draw, wpos + ImVec2( 0, offset + ty/2 ), std::max( px0, -10.0 ), std::min( std::max( px1, px0+MinVisSize ), double( w + 10 ) ), ty/4, DarkenColor( color ) );
+            if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( std::max( px0, -10.0 ), offset ), wpos + ImVec2( std::min( std::max( px1, px0+MinVisSize ), double( w + 10 ) ), offset + ty + 1 ) ) )
+            {
+                if( IsMouseClickReleased( 1 ) ) m_setRangePopup = RangeSlim { ev.Start(), rend, true };
+                if( v.num > 1 )
+                {
+                    ImGui::BeginTooltip();
+                    TextFocused( "Zones too small to display:", RealToString( v.num ) );
+                    ImGui::Separator();
+                    TextFocused( "Execution time:", TimeToString( rend - ev.Start() ) );
+                    ImGui::EndTooltip();
+
+                    if( IsMouseClicked( 2 ) && rend - ev.Start() > 0 )
+                    {
+                        ZoomToRange( ev.Start(), rend );
+                    }
                 }
                 else
                 {
-        return SkipGhostLevel( vec, hover, pxns, nspx, wpos, _offset, depth, yMin, yMax, tid );
+                    ZoneTooltip( ev );
+
+                    if( IsMouseClicked( 2 ) && rend - ev.Start() > 0 )
+                    {
+                        ZoomToZone( ev );
                     }
-}
+                    if( IsMouseClicked( 0 ) )
-
-int View::DrawGhostLevel( const Vector<GhostZone>& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int _offset, int depth, float yMin, float yMax, uint64_t tid )
-{
-    auto it = std::lower_bound( vec.begin(), vec.end(), std::max<int64_t>( 0, m_vd.zvStart - 2 * MinVisSize * nspx ), [] ( const auto& l, const auto& r ) { return l.end.Val() < r; } );
-    if( it == vec.end() ) return depth;
-
-    const auto zitend = std::lower_bound( it, vec.end(), m_vd.zvEnd, [] ( const auto& l, const auto& r ) { return l.start.Val() < r; } );
-    if( it == zitend ) return depth;
-    if( (zitend-1)->end.Val() < m_vd.zvStart ) return depth;
-
-    const auto w = ImGui::GetContentRegionAvail().x - 1;
-    const auto ty = ImGui::GetTextLineHeight();
-    const auto ostep = ty + 1;
-    const auto offset = _offset + ostep * depth;
-    auto draw = ImGui::GetWindowDrawList();
-    const auto dpos = wpos + ImVec2( 0.5f, 0.5f );
-
-    depth++;
-    int maxdepth = depth;
-
-    while( it < zitend )
                     {
-        auto& ev = *it;
+                        if( ImGui::GetIO().KeyCtrl )
-        const auto end = ev.end.Val();
-        const auto zsz = std::max( ( end - ev.start.Val() ) * pxns, pxns * 0.5 );
-        if( zsz < MinVisSize )
                         {
-            const auto MinVisNs = MinVisSize * nspx;
+                            auto& srcloc = m_worker.GetSourceLocation( ev.SrcLoc() );
-            const auto color = m_vd.dynamicColors == 2 ? 0xFF666666 : MixGhostColor( GetThreadColor( tid, depth ), 0x665555 );
+                            m_findZone.ShowZone( ev.SrcLoc(), m_worker.GetString( srcloc.name.active ? srcloc.name : srcloc.function ) );
+                        }
+                        else
+                        {
+                            ShowZoneInfo( ev );
+                        }
+                    }
+
+                    m_zoneSrcLocHighlight = ev.SrcLoc();
+                    m_zoneHover = &ev;
+                }
+            }
+            const auto tmp = RealToString( v.num );
+            const auto tsz = ImGui::CalcTextSize( tmp );
+            if( tsz.x < px1 - px0 )
+            {
+                const auto x = px0 + ( px1 - px0 - tsz.x ) / 2;
+                DrawTextContrast( draw, wpos + ImVec2( x, offset ), 0xFF4488DD, tmp );
+            }
+            break;
+        }
+        case TimelineDrawType::Zone:
+        {
+            auto& ev = *(const ZoneEvent*)v.ev.get();
+            const auto end = m_worker.GetZoneEnd( ev );
+            const auto zsz = std::max( ( end - ev.Start() ) * pxns, pxns * 0.5 );
+            const auto zoneColor = GetZoneColorData( ev, tid, v.depth );
+            const char* zoneName = m_worker.GetZoneName( ev );
+
+            auto tsz = ImGui::CalcTextSize( zoneName );
+            if( m_shortenName == ShortenName::Always || ( ( m_shortenName == ShortenName::NoSpace || m_shortenName == ShortenName::NoSpaceAndNormalize ) && tsz.x > zsz ) )
+            {
+                zoneName = ShortenZoneName( m_shortenName, zoneName, tsz, zsz );
+            }
+
+            const auto pr0 = ( ev.Start() - m_vd.zvStart ) * pxns;
+            const auto pr1 = ( end - m_vd.zvStart ) * pxns;
+            const auto px0 = std::max( pr0, -10.0 );
+            const auto px1 = std::max( { std::min( pr1, double( w + 10 ) ), px0 + pxns * 0.5, px0 + MinVisSize } );
+            draw->AddRectFilled( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y ), zoneColor.color );
+            if( zoneColor.highlight )
+            {
+                if( zoneColor.thickness > 1.f )
+                {
+                    draw->AddRect( wpos + ImVec2( px0 + 1, offset + 1 ), wpos + ImVec2( px1 - 1, offset + tsz.y - 1 ), zoneColor.accentColor, 0.f, -1, zoneColor.thickness );
+                }
+                else
+                {
+                    draw->AddRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y ), zoneColor.accentColor, 0.f, -1, zoneColor.thickness );
+                }
+            }
+            else
+            {
+                const auto darkColor = DarkenColor( zoneColor.color );
+                DrawLine( draw, dpos + ImVec2( px0, offset + tsz.y ), dpos + ImVec2( px0, offset ), dpos + ImVec2( px1-1, offset ), zoneColor.accentColor, zoneColor.thickness );
+                DrawLine( draw, dpos + ImVec2( px0, offset + tsz.y ), dpos + ImVec2( px1-1, offset + tsz.y ), dpos + ImVec2( px1-1, offset ), darkColor, zoneColor.thickness );
+            }
+            if( dsz > MinVisSize )
+            {
+                const auto diff = dsz - MinVisSize;
+                uint32_t color;
+                if( diff < 1 )
+                {
+                    color = ( uint32_t( diff * 0x88 ) << 24 ) | 0x2222DD;
+                }
+                else
+                {
+                    color = 0x882222DD;
+                }
+
+                draw->AddRectFilled( wpos + ImVec2( pr0, offset ), wpos + ImVec2( std::min( pr0+dsz, pr1 ), offset + tsz.y ), color );
+                draw->AddRectFilled( wpos + ImVec2( pr1, offset ), wpos + ImVec2( pr1+dsz, offset + tsz.y ), color );
+            }
+            if( rsz > MinVisSize )
+            {
+                const auto diff = rsz - MinVisSize;
+                uint32_t color;
+                if( diff < 1 )
+                {
+                    color = ( uint32_t( diff * 0xAA ) << 24 ) | 0xFFFFFF;
+                }
+                else
+                {
+                    color = 0xAAFFFFFF;
+                }
+
+                DrawLine( draw, dpos + ImVec2( pr0 + rsz, offset + ty05  ), dpos + ImVec2( pr0 - rsz, offset + ty05  ), color );
+                DrawLine( draw, dpos + ImVec2( pr0 + rsz, offset + ty025 ), dpos + ImVec2( pr0 + rsz, offset + ty075 ), color );
+                DrawLine( draw, dpos + ImVec2( pr0 - rsz, offset + ty025 ), dpos + ImVec2( pr0 - rsz, offset + ty075 ), color );
+
+                DrawLine( draw, dpos + ImVec2( pr1 + rsz, offset + ty05  ), dpos + ImVec2( pr1 - rsz, offset + ty05  ), color );
+                DrawLine( draw, dpos + ImVec2( pr1 + rsz, offset + ty025 ), dpos + ImVec2( pr1 + rsz, offset + ty075 ), color );
+                DrawLine( draw, dpos + ImVec2( pr1 - rsz, offset + ty025 ), dpos + ImVec2( pr1 - rsz, offset + ty075 ), color );
+            }
+            if( tsz.x < zsz )
+            {
+                const auto x = ( ev.Start() - m_vd.zvStart ) * pxns + ( ( end - ev.Start() ) * pxns - tsz.x ) / 2;
+                if( x < 0 || x > w - tsz.x )
+                {
+                    ImGui::PushClipRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y * 2 ), true );
+                    DrawTextContrast( draw, wpos + ImVec2( std::max( std::max( 0., px0 ), std::min( double( w - tsz.x ), x ) ), offset ), 0xFFFFFFFF, zoneName );
+                    ImGui::PopClipRect();
+                }
+                else if( ev.Start() == ev.End() )
+                {
+                    DrawTextContrast( draw, wpos + ImVec2( px0 + ( px1 - px0 - tsz.x ) * 0.5, offset ), 0xFFFFFFFF, zoneName );
+                }
+                else
+                {
+                    DrawTextContrast( draw, wpos + ImVec2( x, offset ), 0xFFFFFFFF, zoneName );
+                }
+            }
+            else
+            {
+                ImGui::PushClipRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y * 2 ), true );
+                DrawTextContrast( draw, wpos + ImVec2( std::max( int64_t( 0 ), ev.Start() - m_vd.zvStart ) * pxns, offset ), 0xFFFFFFFF, zoneName );
+                ImGui::PopClipRect();
+            }
+
+            if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y + 1 ) ) )
+            {
+                ZoneTooltip( ev );
+                if( IsMouseClickReleased( 1 ) ) m_setRangePopup = RangeSlim { ev.Start(), m_worker.GetZoneEnd( ev ), true };
+
+                if( !m_zoomAnim.active && IsMouseClicked( 2 ) )
+                {
+                    ZoomToZone( ev );
+                }
+                if( IsMouseClicked( 0 ) )
+                {
+                    if( ImGui::GetIO().KeyCtrl )
+                    {
+                        auto& srcloc = m_worker.GetSourceLocation( ev.SrcLoc() );
+                        m_findZone.ShowZone( ev.SrcLoc(), m_worker.GetString( srcloc.name.active ? srcloc.name : srcloc.function ) );
+                    }
+                    else
+                    {
+                        ShowZoneInfo( ev );
+                    }
+                }
+
+                m_zoneSrcLocHighlight = ev.SrcLoc();
+                m_zoneHover = &ev;
+            }
+            break;
+        }
+#ifndef TRACY_NO_STATISTICS
+        case TimelineDrawType::GhostFolded:
+        {
+            auto& ev = *(const GhostZone*)v.ev.get();
+            const auto color = m_vd.dynamicColors == 2 ? 0xFF666666 : MixGhostColor( GetThreadColor( tid, v.depth ), 0x665555 );
+            const auto rend = v.rend.Val();
             const auto px0 = ( ev.start.Val() - m_vd.zvStart ) * pxns;
-            auto px1ns = ev.end.Val() - m_vd.zvStart;
+            const auto px1 = ( rend - ev.end.Val() ) * pxns;
-            auto rend = end;
-            auto nextTime = end + MinVisNs;
-            for(;;)
-            {
-                const auto prevIt = it;
-                it = std::lower_bound( it, zitend, nextTime, [] ( const auto& l, const auto& r ) { return l.end.Val() < r; } );
-                if( it == prevIt ) ++it;
-                if( it == zitend ) break;
-                const auto nend = it->end.Val();
-                const auto nsnext = nend - m_vd.zvStart;
-                if( nsnext - px1ns >= MinVisNs * 2 ) break;
-                px1ns = nsnext;
-                rend = nend;
-                nextTime = nend + nspx;
-            }
-            const auto px1 = px1ns * pxns;
             draw->AddRectFilled( wpos + ImVec2( std::max( px0, -10.0 ), offset ), wpos + ImVec2( std::min( std::max( px1, px0+MinVisSize ), double( w + 10 ) ), offset + ty ), color );
             DrawZigZag( draw, wpos + ImVec2( 0, offset + ty/2 ), std::max( px0, -10.0 ), std::min( std::max( px1, px0+MinVisSize ), double( w + 10 ) ), ty/4, DarkenColor( color ) );
             if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( std::max( px0, -10.0 ), offset ), wpos + ImVec2( std::min( std::max( px1, px0+MinVisSize ), double( w + 10 ) ), offset + ty + 1 ) ) )
@@ -317,9 +467,14 @@ int View::DrawGhostLevel( const Vector<GhostZone>& vec, bool hover, double pxns,
                     ZoomToRange( ev.start.Val(), rend );
                 }
             }
+            break;
         }
-        else
+        case TimelineDrawType::Ghost:
         {
+            auto& ev = *(const GhostZone*)v.ev.get();
+            const auto end = ev.end.Val();
+            const auto zsz = std::max( ( end - ev.start.Val() ) * pxns, pxns * 0.5 );
+
             const auto& ghostKey = m_worker.GetGhostFrame( ev.frame );
             const auto frame = m_worker.GetCallstackFrame( ghostKey.frame );
 
@@ -329,16 +484,16 @@ int View::DrawGhostLevel( const Vector<GhostZone>& vec, bool hover, double pxns,
                 if( frame )
                 {
                     const auto& sym = frame->data[ghostKey.inlineFrame];
-                    color = GetHsvColor( sym.name.Idx(), depth );
+                    color = GetHsvColor( sym.name.Idx(), v.depth );
                 }
                 else
                 {
-                    color = GetHsvColor( ghostKey.frame.data, depth );
+                    color = GetHsvColor( ghostKey.frame.data, v.depth );
                 }
             }
             else
             {
-                color = MixGhostColor( GetThreadColor( tid, depth ), 0x665555 );
+                color = MixGhostColor( GetThreadColor( tid, v.depth ), 0x665555 );
             }
 
             const auto pr0 = ( ev.start.Val() - m_vd.zvStart ) * pxns;
@@ -520,396 +675,14 @@ int View::DrawGhostLevel( const Vector<GhostZone>& vec, bool hover, double pxns,
                     }
                 }
             }
-
+            break;
-            if( ev.child >= 0 )
-            {
-                const auto d = DispatchGhostLevel( m_worker.GetGhostChildren( ev.child ), hover, pxns, nspx, wpos, _offset, depth, yMin, yMax, tid );
-                if( d > maxdepth ) maxdepth = d;
         }
-            ++it;
-        }
-    }
-
-    return maxdepth;
-}
-
-int View::SkipGhostLevel( const Vector<GhostZone>& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int _offset, int depth, float yMin, float yMax, uint64_t tid )
-{
-    auto it = std::lower_bound( vec.begin(), vec.end(), std::max<int64_t>( 0, m_vd.zvStart - 2 * MinVisSize * nspx ), [] ( const auto& l, const auto& r ) { return l.end.Val() < r; } );
-    if( it == vec.end() ) return depth;
-
-    const auto zitend = std::lower_bound( it, vec.end(), m_vd.zvEnd, [] ( const auto& l, const auto& r ) { return l.start.Val() < r; } );
-    if( it == zitend ) return depth;
-    if( (zitend-1)->end.Val() < m_vd.zvStart ) return depth;
-
-    depth++;
-    int maxdepth = depth;
-
-    while( it < zitend )
-    {
-        auto& ev = *it;
-        const auto end = ev.end.Val();
-        const auto zsz = std::max( ( end - ev.start.Val() ) * pxns, pxns * 0.5 );
-        if( zsz < MinVisSize )
-        {
-            const auto MinVisNs = MinVisSize * nspx;
-            auto px1ns = ev.end.Val() - m_vd.zvStart;
-            auto nextTime = end + MinVisNs;
-            for(;;)
-            {
-                const auto prevIt = it;
-                it = std::lower_bound( it, zitend, nextTime, [] ( const auto& l, const auto& r ) { return l.end.Val() < r; } );
-                if( it == prevIt ) ++it;
-                if( it == zitend ) break;
-                const auto nend = it->end.Val();
-                const auto nsnext = nend - m_vd.zvStart;
-                if( nsnext - px1ns >= MinVisNs * 2 ) break;
-                px1ns = nsnext;
-                nextTime = nend + nspx;
-            }
-        }
-        else
-        {
-            if( ev.child >= 0 )
-            {
-                const auto d = DispatchGhostLevel( m_worker.GetGhostChildren( ev.child ), hover, pxns, nspx, wpos, _offset, depth, yMin, yMax, tid );
-                if( d > maxdepth ) maxdepth = d;
-            }
-            ++it;
-        }
-    }
-
-    return maxdepth;
-}
 #endif
-
+        default:
-int View::DispatchZoneLevel( const Vector<short_ptr<ZoneEvent>>& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int _offset, int depth, float yMin, float yMax, uint64_t tid )
+            assert( false );
-{
+            break;
-    const auto ty = ImGui::GetTextLineHeight();
-    const auto ostep = ty + 1;
-    const auto offset = _offset + ostep * depth;
-
-    const auto yPos = wpos.y + offset;
-    if( yPos + ostep >= yMin && yPos <= yMax )
-    {
-        if( vec.is_magic() )
-        {
-            return DrawZoneLevel<VectorAdapterDirect<ZoneEvent>>( *(Vector<ZoneEvent>*)( &vec ), hover, pxns, nspx, wpos, _offset, depth, yMin, yMax, tid );
-        }
-        else
-        {
-            return DrawZoneLevel<VectorAdapterPointer<ZoneEvent>>( vec, hover, pxns, nspx, wpos, _offset, depth, yMin, yMax, tid );
-        }
-    }
-    else
-    {
-        if( vec.is_magic() )
-        {
-            return SkipZoneLevel<VectorAdapterDirect<ZoneEvent>>( *(Vector<ZoneEvent>*)( &vec ), hover, pxns, nspx, wpos, _offset, depth, yMin, yMax, tid );
-        }
-        else
-        {
-            return SkipZoneLevel<VectorAdapterPointer<ZoneEvent>>( vec, hover, pxns, nspx, wpos, _offset, depth, yMin, yMax, tid );
         }
     }
 }
 
-template<typename Adapter, typename V>
-int View::DrawZoneLevel( const V& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int _offset, int depth, float yMin, float yMax, uint64_t tid )
-{
-    const auto delay = m_worker.GetDelay();
-    const auto resolution = m_worker.GetResolution();
-    // cast to uint64_t, so that unended zones (end = -1) are still drawn
-    auto it = std::lower_bound( vec.begin(), vec.end(), std::max<int64_t>( 0, m_vd.zvStart - std::max<int64_t>( delay, 2 * MinVisSize * nspx ) ), [] ( const auto& l, const auto& r ) { Adapter a; return (uint64_t)a(l).End() < (uint64_t)r; } );
-    if( it == vec.end() ) return depth;
-
-    const auto zitend = std::lower_bound( it, vec.end(), m_vd.zvEnd + resolution, [] ( const auto& l, const auto& r ) { Adapter a; return a(l).Start() < r; } );
-    if( it == zitend ) return depth;
-    Adapter a;
-    if( !a(*it).IsEndValid() && m_worker.GetZoneEnd( a(*it) ) < m_vd.zvStart ) return depth;
-    if( m_worker.GetZoneEnd( a(*(zitend-1)) ) < m_vd.zvStart ) return depth;
-
-    const auto w = ImGui::GetContentRegionAvail().x - 1;
-    const auto ty = ImGui::GetTextLineHeight();
-    const auto ostep = ty + 1;
-    const auto offset = _offset + ostep * depth;
-    auto draw = ImGui::GetWindowDrawList();
-    const auto dsz = delay * pxns;
-    const auto rsz = resolution * pxns;
-    const auto dpos = wpos + ImVec2( 0.5f, 0.5f );
-
-    const auto ty025 = round( ty * 0.25f );
-    const auto ty05  = round( ty * 0.5f );
-    const auto ty075 = round( ty * 0.75f );
-
-    depth++;
-    int maxdepth = depth;
-
-    while( it < zitend )
-    {
-        auto& ev = a(*it);
-        const auto end = m_worker.GetZoneEnd( ev );
-        const auto zsz = std::max( ( end - ev.Start() ) * pxns, pxns * 0.5 );
-        if( zsz < MinVisSize )
-        {
-            const auto MinVisNs = MinVisSize * nspx;
-            const auto color = m_vd.dynamicColors == 2 ? 0xFF666666 : GetThreadColor( tid, depth );
-            int num = 0;
-            const auto px0 = ( ev.Start() - m_vd.zvStart ) * pxns;
-            auto px1ns = end - m_vd.zvStart;
-            auto rend = end;
-            auto nextTime = end + MinVisNs;
-            for(;;)
-            {
-                const auto prevIt = it;
-                it = std::lower_bound( it, zitend, nextTime, [] ( const auto& l, const auto& r ) { Adapter a; return (uint64_t)a(l).End() < (uint64_t)r; } );
-                if( it == prevIt ) ++it;
-                num += std::distance( prevIt, it );
-                if( it == zitend ) break;
-                const auto nend = m_worker.GetZoneEnd( a(*it) );
-                const auto nsnext = nend - m_vd.zvStart;
-                if( nsnext - px1ns >= MinVisNs * 2 ) break;
-                px1ns = nsnext;
-                rend = nend;
-                nextTime = nend + nspx;
-            }
-            const auto px1 = px1ns * pxns;
-            draw->AddRectFilled( wpos + ImVec2( std::max( px0, -10.0 ), offset ), wpos + ImVec2( std::min( std::max( px1, px0+MinVisSize ), double( w + 10 ) ), offset + ty ), color );
-            DrawZigZag( draw, wpos + ImVec2( 0, offset + ty/2 ), std::max( px0, -10.0 ), std::min( std::max( px1, px0+MinVisSize ), double( w + 10 ) ), ty/4, DarkenColor( color ) );
-            if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( std::max( px0, -10.0 ), offset ), wpos + ImVec2( std::min( std::max( px1, px0+MinVisSize ), double( w + 10 ) ), offset + ty + 1 ) ) )
-            {
-                if( IsMouseClickReleased( 1 ) ) m_setRangePopup = RangeSlim { ev.Start(), rend, true };
-                if( num > 1 )
-                {
-                    ImGui::BeginTooltip();
-                    TextFocused( "Zones too small to display:", RealToString( num ) );
-                    ImGui::Separator();
-                    TextFocused( "Execution time:", TimeToString( rend - ev.Start() ) );
-                    ImGui::EndTooltip();
-
-                    if( IsMouseClicked( 2 ) && rend - ev.Start() > 0 )
-                    {
-                        ZoomToRange( ev.Start(), rend );
-                    }
-                }
-                else
-                {
-                    ZoneTooltip( ev );
-
-                    if( IsMouseClicked( 2 ) && rend - ev.Start() > 0 )
-                    {
-                        ZoomToZone( ev );
-                    }
-                    if( IsMouseClicked( 0 ) )
-                    {
-                        if( ImGui::GetIO().KeyCtrl )
-                        {
-                            auto& srcloc = m_worker.GetSourceLocation( ev.SrcLoc() );
-                            m_findZone.ShowZone( ev.SrcLoc(), m_worker.GetString( srcloc.name.active ? srcloc.name : srcloc.function ) );
-                        }
-                        else
-                        {
-                            ShowZoneInfo( ev );
-                        }
-                    }
-
-                    m_zoneSrcLocHighlight = ev.SrcLoc();
-                    m_zoneHover = &ev;
-                }
-            }
-            const auto tmp = RealToString( num );
-            const auto tsz = ImGui::CalcTextSize( tmp );
-            if( tsz.x < px1 - px0 )
-            {
-                const auto x = px0 + ( px1 - px0 - tsz.x ) / 2;
-                DrawTextContrast( draw, wpos + ImVec2( x, offset ), 0xFF4488DD, tmp );
-            }
-        }
-        else
-        {
-            const auto zoneColor = GetZoneColorData( ev, tid, depth );
-            const char* zoneName = m_worker.GetZoneName( ev );
-
-            if( ev.HasChildren() )
-            {
-                const auto d = DispatchZoneLevel( m_worker.GetZoneChildren( ev.Child() ), hover, pxns, nspx, wpos, _offset, depth, yMin, yMax, tid );
-                if( d > maxdepth ) maxdepth = d;
-            }
-
-            auto tsz = ImGui::CalcTextSize( zoneName );
-            if( m_shortenName == ShortenName::Always || ( ( m_shortenName == ShortenName::NoSpace || m_shortenName == ShortenName::NoSpaceAndNormalize ) && tsz.x > zsz ) )
-            {
-                zoneName = ShortenZoneName( m_shortenName, zoneName, tsz, zsz );
-            }
-
-            const auto pr0 = ( ev.Start() - m_vd.zvStart ) * pxns;
-            const auto pr1 = ( end - m_vd.zvStart ) * pxns;
-            const auto px0 = std::max( pr0, -10.0 );
-            const auto px1 = std::max( { std::min( pr1, double( w + 10 ) ), px0 + pxns * 0.5, px0 + MinVisSize } );
-            draw->AddRectFilled( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y ), zoneColor.color );
-            if( zoneColor.highlight )
-            {
-                if( zoneColor.thickness > 1.f )
-                {
-                    draw->AddRect( wpos + ImVec2( px0 + 1, offset + 1 ), wpos + ImVec2( px1 - 1, offset + tsz.y - 1 ), zoneColor.accentColor, 0.f, -1, zoneColor.thickness );
-                }
-                else
-                {
-                    draw->AddRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y ), zoneColor.accentColor, 0.f, -1, zoneColor.thickness );
-                }
-            }
-            else
-            {
-                const auto darkColor = DarkenColor( zoneColor.color );
-                DrawLine( draw, dpos + ImVec2( px0, offset + tsz.y ), dpos + ImVec2( px0, offset ), dpos + ImVec2( px1-1, offset ), zoneColor.accentColor, zoneColor.thickness );
-                DrawLine( draw, dpos + ImVec2( px0, offset + tsz.y ), dpos + ImVec2( px1-1, offset + tsz.y ), dpos + ImVec2( px1-1, offset ), darkColor, zoneColor.thickness );
-            }
-            if( dsz > MinVisSize )
-            {
-                const auto diff = dsz - MinVisSize;
-                uint32_t color;
-                if( diff < 1 )
-                {
-                    color = ( uint32_t( diff * 0x88 ) << 24 ) | 0x2222DD;
-                }
-                else
-                {
-                    color = 0x882222DD;
-                }
-
-                draw->AddRectFilled( wpos + ImVec2( pr0, offset ), wpos + ImVec2( std::min( pr0+dsz, pr1 ), offset + tsz.y ), color );
-                draw->AddRectFilled( wpos + ImVec2( pr1, offset ), wpos + ImVec2( pr1+dsz, offset + tsz.y ), color );
-            }
-            if( rsz > MinVisSize )
-            {
-                const auto diff = rsz - MinVisSize;
-                uint32_t color;
-                if( diff < 1 )
-                {
-                    color = ( uint32_t( diff * 0xAA ) << 24 ) | 0xFFFFFF;
-                }
-                else
-                {
-                    color = 0xAAFFFFFF;
-                }
-
-                DrawLine( draw, dpos + ImVec2( pr0 + rsz, offset + ty05  ), dpos + ImVec2( pr0 - rsz, offset + ty05  ), color );
-                DrawLine( draw, dpos + ImVec2( pr0 + rsz, offset + ty025 ), dpos + ImVec2( pr0 + rsz, offset + ty075 ), color );
-                DrawLine( draw, dpos + ImVec2( pr0 - rsz, offset + ty025 ), dpos + ImVec2( pr0 - rsz, offset + ty075 ), color );
-
-                DrawLine( draw, dpos + ImVec2( pr1 + rsz, offset + ty05  ), dpos + ImVec2( pr1 - rsz, offset + ty05  ), color );
-                DrawLine( draw, dpos + ImVec2( pr1 + rsz, offset + ty025 ), dpos + ImVec2( pr1 + rsz, offset + ty075 ), color );
-                DrawLine( draw, dpos + ImVec2( pr1 - rsz, offset + ty025 ), dpos + ImVec2( pr1 - rsz, offset + ty075 ), color );
-            }
-            if( tsz.x < zsz )
-            {
-                const auto x = ( ev.Start() - m_vd.zvStart ) * pxns + ( ( end - ev.Start() ) * pxns - tsz.x ) / 2;
-                if( x < 0 || x > w - tsz.x )
-                {
-                    ImGui::PushClipRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y * 2 ), true );
-                    DrawTextContrast( draw, wpos + ImVec2( std::max( std::max( 0., px0 ), std::min( double( w - tsz.x ), x ) ), offset ), 0xFFFFFFFF, zoneName );
-                    ImGui::PopClipRect();
-                }
-                else if( ev.Start() == ev.End() )
-                {
-                    DrawTextContrast( draw, wpos + ImVec2( px0 + ( px1 - px0 - tsz.x ) * 0.5, offset ), 0xFFFFFFFF, zoneName );
-                }
-                else
-                {
-                    DrawTextContrast( draw, wpos + ImVec2( x, offset ), 0xFFFFFFFF, zoneName );
-                }
-            }
-            else
-            {
-                ImGui::PushClipRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y * 2 ), true );
-                DrawTextContrast( draw, wpos + ImVec2( std::max( int64_t( 0 ), ev.Start() - m_vd.zvStart ) * pxns, offset ), 0xFFFFFFFF, zoneName );
-                ImGui::PopClipRect();
-            }
-
-            if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y + 1 ) ) )
-            {
-                ZoneTooltip( ev );
-                if( IsMouseClickReleased( 1 ) ) m_setRangePopup = RangeSlim { ev.Start(), m_worker.GetZoneEnd( ev ), true };
-
-                if( !m_zoomAnim.active && IsMouseClicked( 2 ) )
-                {
-                    ZoomToZone( ev );
-                }
-                if( IsMouseClicked( 0 ) )
-                {
-                    if( ImGui::GetIO().KeyCtrl )
-                    {
-                        auto& srcloc = m_worker.GetSourceLocation( ev.SrcLoc() );
-                        m_findZone.ShowZone( ev.SrcLoc(), m_worker.GetString( srcloc.name.active ? srcloc.name : srcloc.function ) );
-                    }
-                    else
-                    {
-                        ShowZoneInfo( ev );
-                    }
-                }
-
-                m_zoneSrcLocHighlight = ev.SrcLoc();
-                m_zoneHover = &ev;
-            }
-
-            ++it;
-        }
-    }
-    return maxdepth;
-}
-
-template<typename Adapter, typename V>
-int View::SkipZoneLevel( const V& vec, bool hover, double pxns, int64_t nspx, const ImVec2& wpos, int _offset, int depth, float yMin, float yMax, uint64_t tid )
-{
-    const auto delay = m_worker.GetDelay();
-    const auto resolution = m_worker.GetResolution();
-    // cast to uint64_t, so that unended zones (end = -1) are still drawn
-    auto it = std::lower_bound( vec.begin(), vec.end(), std::max<int64_t>( 0, m_vd.zvStart - std::max<int64_t>( delay, 2 * MinVisSize * nspx ) ), [] ( const auto& l, const auto& r ) { Adapter a; return (uint64_t)a(l).End() < (uint64_t)r; } );
-    if( it == vec.end() ) return depth;
-
-    Adapter a;
-
-    const auto zitend = std::lower_bound( it, vec.end(), m_vd.zvEnd + resolution, [] ( const auto& l, const auto& r ) { Adapter a; return a(l).Start() < r; } );
-    if( it == zitend ) return depth;
-    if( m_worker.GetZoneEnd( a(*(zitend-1)) ) < m_vd.zvStart ) return depth;
-
-    depth++;
-    int maxdepth = depth;
-
-    while( it < zitend )
-    {
-        auto& ev = a(*it);
-        const auto end = m_worker.GetZoneEnd( ev );
-        const auto zsz = std::max( ( end - ev.Start() ) * pxns, pxns * 0.5 );
-        if( zsz < MinVisSize )
-        {
-            const auto MinVisNs = MinVisSize * nspx;
-            auto px1ns = end - m_vd.zvStart;
-            auto nextTime = end + MinVisNs;
-            for(;;)
-            {
-                const auto prevIt = it;
-                it = std::lower_bound( it, zitend, nextTime, [] ( const auto& l, const auto& r ) { Adapter a; return (uint64_t)a(l).End() < (uint64_t)r; } );
-                if( it == prevIt ) ++it;
-                if( it == zitend ) break;
-                const auto nend = m_worker.GetZoneEnd( a(*it) );
-                const auto nsnext = nend - m_vd.zvStart;
-                if( nsnext - px1ns >= MinVisNs * 2 ) break;
-                px1ns = nsnext;
-                nextTime = nend + nspx;
-            }
-        }
-        else
-        {
-            if( ev.HasChildren() )
-            {
-                const auto d = DispatchZoneLevel( m_worker.GetZoneChildren( ev.Child() ), hover, pxns, nspx, wpos, _offset, depth, yMin, yMax, tid );
-                if( d > maxdepth ) maxdepth = d;
-            }
-            ++it;
-        }
-    }
-    return maxdepth;
-}
-
 }