From 87cfd98b69827c3efe77bec531f656a20da4f061 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <bartosz.taudul@game-lion.com>
Date: Wed, 28 Feb 2018 15:38:32 +0100
Subject: [PATCH] No need for fractional time part on graph ticks.

---
 server/TracyView.cpp | 44 ++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 42 insertions(+), 2 deletions(-)

diff --git a/server/TracyView.cpp b/server/TracyView.cpp
index 8a931d0d..ffb0fe44 100644
--- a/server/TracyView.cpp
+++ b/server/TracyView.cpp
@@ -62,6 +62,46 @@ static const char* TimeToString( int64_t ns )
     return buf;
 }
 
+static const char* TimeToStringInteger( int64_t ns )
+{
+    enum { Pool = 8 };
+    static char bufpool[Pool][64];
+    static int bufsel = 0;
+    char* buf = bufpool[bufsel];
+    bufsel = ( bufsel + 1 ) % Pool;
+
+    const char* sign = "";
+    if( ns < 0 )
+    {
+        sign = "-";
+        ns = -ns;
+    }
+
+    if( ns < 1000 )
+    {
+        sprintf( buf, "%s%" PRIi64 " ns", sign, ns );
+    }
+    else if( ns < 1000ll * 1000 )
+    {
+        sprintf( buf, "%s%.0f us", sign, ns / 1000. );
+    }
+    else if( ns < 1000ll * 1000 * 1000 )
+    {
+        sprintf( buf, "%s%.0f ms", sign, ns / ( 1000. * 1000. ) );
+    }
+    else if( ns < 1000ll * 1000 * 1000 * 60 )
+    {
+        sprintf( buf, "%s%.0f s", sign, ns / ( 1000. * 1000. * 1000. ) );
+    }
+    else
+    {
+        const auto m = int64_t( ns / ( 1000ll * 1000 * 1000 * 60 ) );
+        const auto s = int64_t( ns - m * ( 1000ll * 1000 * 1000 * 60 ) );
+        sprintf( buf, "%s%" PRIi64 ":%02.0f", sign, m, s / ( 1000. * 1000. * 1000. ) );
+    }
+    return buf;
+}
+
 static const char* RealToString( double val, bool separator )
 {
     enum { Pool = 8 };
@@ -2801,7 +2841,7 @@ void View::DrawFindZone()
                                 if( tw == 0 || x > tx + tw + ty * 1.1 )
                                 {
                                     tx = x;
-                                    auto txt = TimeToString( tt );
+                                    auto txt = TimeToStringInteger( tt );
                                     draw->AddText( wpos + ImVec2( x, yoff + round( ty * 0.5 ) ), 0x66FFFFFF, txt );
                                     tw = ImGui::CalcTextSize( txt ).x;
                                 }
@@ -2847,7 +2887,7 @@ void View::DrawFindZone()
                             if( iter == 0 && ( tw == 0 || x > tx + tw + ty * 2 ) )
                             {
                                 tx = x;
-                                auto txt = TimeToString( tt );
+                                auto txt = TimeToStringInteger( tt );
                                 draw->AddText( wpos + ImVec2( xo + x, yoff + round( ty * 0.5 ) ), 0x66FFFFFF, txt );
                                 tw = ImGui::CalcTextSize( txt ).x;
                             }