From bd2f903c08a9ea1cca387e6b119611c31deab134 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf@nereid.pl>
Date: Mon, 1 May 2023 19:07:49 +0200
Subject: [PATCH] Add persistent target FPS option.

---
 profiler/src/main.cpp  | 15 +++++++++++++--
 server/TracyConfig.hpp |  1 +
 server/TracyView.cpp   |  4 ++++
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/profiler/src/main.cpp b/profiler/src/main.cpp
index bd666ec7..e11865bf 100644
--- a/profiler/src/main.cpp
+++ b/profiler/src/main.cpp
@@ -169,6 +169,7 @@ static void LoadConfig()
 
     int v;
     if( ini_sget( ini, "core", "threadedRendering", "%d", &v ) ) s_config.threadedRendering = v;
+    if( ini_sget( ini, "timeline", "targetFps", "%d", &v ) && v >= 1 && v < 10000 ) s_config.targetFps = v;
 
     ini_free( ini );
 }
@@ -182,6 +183,9 @@ static bool SaveConfig()
     fprintf( f, "[core]\n" );
     fprintf( f, "threadedRendering = %i\n", (int)s_config.threadedRendering );
 
+    fprintf( f, "\n[timeline]\n" );
+    fprintf( f, "targetFps = %i\n", s_config.targetFps );
+
     fclose( f );
     return true;
 }
@@ -553,17 +557,24 @@ static void DrawContents()
             ImGui::Separator();
             if( ImGui::TreeNode( ICON_FA_TOOLBOX " Global settings" ) )
             {
+                ImGui::PushStyleVar( ImGuiStyleVar_FramePadding, ImVec2( 0, 0 ) );
                 ImGui::TextUnformatted( "Threaded rendering" );
                 ImGui::Indent();
-                ImGui::PushStyleVar( ImGuiStyleVar_FramePadding, ImVec2( 0, 0 ) );
                 if( ImGui::RadioButton( "Enabled", s_config.threadedRendering ) ) { s_config.threadedRendering = true; SaveConfig(); }
                 ImGui::SameLine();
                 tracy::DrawHelpMarker( "Uses all available CPU cores for rendering. May affect performance of the profiled application when running on the same machine." );
                 if( ImGui::RadioButton( "Disabled", !s_config.threadedRendering ) ) { s_config.threadedRendering = false; SaveConfig(); }
                 ImGui::SameLine();
                 tracy::DrawHelpMarker( "Restricts rendering to a single CPU core. Can reduce profiler frame rate." );
-                ImGui::PopStyleVar();
                 ImGui::Unindent();
+
+                ImGui::Spacing();
+                ImGui::TextUnformatted( "Target FPS" );
+                ImGui::SameLine();
+                int tmp = s_config.targetFps;
+                ImGui::SetNextItemWidth( 90 * dpiScale );
+                if( ImGui::InputInt( "##targetfps", &tmp ) ) { s_config.targetFps = std::clamp( tmp, 1, 9999 ); SaveConfig(); }
+                ImGui::PopStyleVar();
                 ImGui::TreePop();
             }
             ImGui::Separator();
diff --git a/server/TracyConfig.hpp b/server/TracyConfig.hpp
index 5a90d44a..2f40c504 100644
--- a/server/TracyConfig.hpp
+++ b/server/TracyConfig.hpp
@@ -7,6 +7,7 @@ namespace tracy
 struct Config
 {
     bool threadedRendering = true;
+    int targetFps = 60;
 };
 
 }
diff --git a/server/TracyView.cpp b/server/TracyView.cpp
index 9a22ebdb..b19b0694 100644
--- a/server/TracyView.cpp
+++ b/server/TracyView.cpp
@@ -66,6 +66,8 @@ View::View( void(*cbMainThread)(const std::function<void()>&, bool), const char*
 {
     InitMemory();
     InitTextEditor();
+
+    m_vd.frameTarget = config.targetFps;
 }
 
 View::View( void(*cbMainThread)(const std::function<void()>&, bool), FileRead& f, ImFont* fixedWidth, ImFont* smallFont, ImFont* bigFont, SetTitleCallback stcb, SetScaleCallback sscb, AttentionCallback acb, const Config& config )
@@ -99,6 +101,8 @@ View::View( void(*cbMainThread)(const std::function<void()>&, bool), FileRead& f
 
     if( m_worker.GetCallstackFrameCount() == 0 ) m_showUnknownFrames = false;
     if( m_worker.GetCallstackSampleCount() == 0 ) m_showAllSymbols = true;
+
+    m_vd.frameTarget = config.targetFps;
 }
 
 View::~View()