Check if zoom range is valid.

This is important for GPU zones, which may have broken timing data.

1 files changed, 6 insertions, 1 deletions

diff --git a/server/TracyTimelineItem.cpp b/server/TracyTimelineItem.cpp
index 6b69021e..4ab65270 100644
--- a/server/TracyTimelineItem.cpp
+++ b/server/TracyTimelineItem.cpp
@@ -91,7 +91,12 @@ void TimelineItem::Draw( bool firstFrame, double pxns, int& offset, const ImVec2
             }
             if( IsMouseClicked( 2 ) )
             {
-                m_view.ZoomToRange( RangeBegin(), RangeEnd() );
+                const auto t0 = RangeBegin();
+                const auto t1 = RangeEnd();
+                if( t0 < t1 )
+                {
+                    m_view.ZoomToRange( t0, t1 );
+                }
             }
             if( IsMouseClicked( 1 ) )
             {