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Allow zooming in further to the flame graph.

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This commit is contained in:
rmarker
2026-05-28 21:51:41 +09:30
parent cc4b7dcea9
commit 0b27b9ec1a
1 changed files with 5 additions and 5 deletions
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10
profiler/src/profiler/TracyView_FlameGraph.cpp
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@@ -856,13 +856,13 @@ static int GetFlameGraphDepth( const std::vector<FlameGraphItem>& data, int64_t
return maxDepth;
}
static void ClampFlameGraphViewport( int64_t& start, int64_t& end, int64_t totalSpan, float width )
static void ClampFlameGraphViewport( int64_t& start, int64_t& end, int64_t totalSpan )
{
assert( totalSpan > 0 );
if( end < start ) std::swap( start, end );
const auto minSpan = std::max<int64_t>( 1, int64_t( ceil( width ) ) );
const int64_t minSpan = 5;
auto span = end - start;
if( span < minSpan )
{
@@ -1208,7 +1208,7 @@ void View::DrawFlameGraph()
const auto period = m_flameMode == 0 ? 1 : m_worker.GetSamplingPeriod();
DrawFlameGraphHeader( m_flameGraphViewStart, m_flameGraphViewEnd, period );
DrawFlameGraphHorizontalPosition( m_flameGraphViewStart, m_flameGraphViewEnd, zsz, period );
ClampFlameGraphViewport( m_flameGraphViewStart, m_flameGraphViewEnd, zsz, ImGui::GetContentRegionAvail().x );
ClampFlameGraphViewport( m_flameGraphViewStart, m_flameGraphViewEnd, zsz );
ImGui::BeginChild( "##flameGraphBody", ImVec2( 0, 0 ), false, ImGuiWindowFlags_NoScrollWithMouse );
const auto region = ImGui::GetContentRegionAvail();
@@ -1241,7 +1241,7 @@ void View::DrawFlameGraph()
m_flameGraphViewStart -= dpx;
m_flameGraphViewEnd -= dpx;
io.MouseClickedPos[1].x = io.MousePos.x;
ClampFlameGraphViewport( m_flameGraphViewStart, m_flameGraphViewEnd, zsz, w );
ClampFlameGraphViewport( m_flameGraphViewStart, m_flameGraphViewEnd, zsz );
}
if( delta.y != 0 )
@@ -1277,7 +1277,7 @@ void View::DrawFlameGraph()
m_flameGraphViewStart -= std::max<int64_t>( 1, int64_t( p1 * mod ) );
m_flameGraphViewEnd += std::max<int64_t>( 1, int64_t( p2 * mod ) );
}
ClampFlameGraphViewport( m_flameGraphViewStart, m_flameGraphViewEnd, zsz, w );
ClampFlameGraphViewport( m_flameGraphViewStart, m_flameGraphViewEnd, zsz );
}
FlameGraphContext ctx;