From 2714152f840cf671dc431f0adbc641dec57a1550 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Sun, 8 Sep 2019 14:16:12 +0200
Subject: [PATCH] Allow calculating zone depth.

---
 server/TracyView.cpp | 18 ++++++++++++++++++
 server/TracyView.hpp |  1 +
 2 files changed, 19 insertions(+)

diff --git a/server/TracyView.cpp b/server/TracyView.cpp
index f9616c12..2eef371d 100644
--- a/server/TracyView.cpp
+++ b/server/TracyView.cpp
@@ -12222,6 +12222,24 @@ void View::CrashTooltip()
     ImGui::EndTooltip();
 }
 
+int View::GetZoneDepth( const ZoneEvent& zone, uint64_t tid ) const
+{
+    auto td = m_worker.GetThreadData( tid );
+    assert( td );
+    auto timeline = &td->timeline;
+    int depth = 0;
+    for(;;)
+    {
+        auto it = std::upper_bound( timeline->begin(), timeline->end(), zone.Start(), [] ( const auto& l, const auto& r ) { return l < r->Start(); } );
+        if( it != timeline->begin() ) --it;
+        assert( !( zone.end >= 0 && (*it)->Start() > zone.end ) );
+        if( *it == &zone ) return depth;
+        assert( (*it)->child >= 0 );
+        timeline = &m_worker.GetZoneChildren( (*it)->child );
+        depth++;
+    }
+}
+
 const ZoneEvent* View::GetZoneParent( const ZoneEvent& zone ) const
 {
     for( const auto& thread : m_worker.GetThreadData() )
diff --git a/server/TracyView.hpp b/server/TracyView.hpp
index 35edf974..acc78933 100644
--- a/server/TracyView.hpp
+++ b/server/TracyView.hpp
@@ -178,6 +178,7 @@ private:
     void CallstackTooltip( uint32_t idx );
     void CrashTooltip();
 
+    int GetZoneDepth( const ZoneEvent& zone, uint64_t tid ) const;
     const ZoneEvent* GetZoneParent( const ZoneEvent& zone ) const;
     const GpuEvent* GetZoneParent( const GpuEvent& zone ) const;
     const ThreadData* GetZoneThreadData( const ZoneEvent& zone ) const;