Fix crashing when turning the modern renderer on or off before benchmarking

src/race/race_manager.cpp

@@ -146,6 +146,7 @@ RaceManager::RaceManager()
     setRaceGhostKarts(false);
     setWatchingReplay(false);
     setBenchmarking(false);
+    m_scheduled_benchmark = false;
     setTrack("jungle");
     m_default_ai_list.clear();
     setNumPlayers(0);
@@ -1330,6 +1331,7 @@ core::stringw RaceManager::getDifficultyName(Difficulty diff) const
 void RaceManager::setBenchmarking(bool benchmark)
 {
     m_benchmarking = benchmark;
+    m_scheduled_benchmark = false;
 
     // If the benchmark mode is turned off and the profiler is still activated,
     // turn the profiler off and reset the drawing mode to default.
@@ -1339,3 +1341,11 @@ void RaceManager::setBenchmarking(bool benchmark)
         profiler.setDrawing(true);
     }
 }   // setBenchmarking
+
+//---------------------------------------------------------------------------------------------
+/** Schedule a benchmark. This function is used because the video options screen
+* might need to be reloaded when switching between old and modern renderer.*/
+void RaceManager::scheduleBenchmark()
+{
+    m_scheduled_benchmark = true;
+}   // scheduleBenchmark

src/race/race_manager.hpp

@@ -368,6 +368,7 @@ private:
     bool m_has_ghost_karts;
     bool m_watching_replay;
     bool m_benchmarking;
+    bool m_scheduled_benchmark;
 
 public:
     // ----------------------------------------------------------------------------------------
@@ -438,6 +439,7 @@ public:
     void setDefaultAIKartList(const std::vector<std::string> &ai_list);
     void computeRandomKartList();
     void setBenchmarking(bool benchmark);
+    void scheduleBenchmark();
 
     // ----------------------------------------------------------------------------------------
     bool hasTimeTarget() const { return m_time_target > 0.0f; }
@@ -875,6 +877,11 @@ public:
         return m_benchmarking;
     }   // isBenchmarking
     // ----------------------------------------------------------------------------------------
+    bool isBenchmarkScheduled() const
+    {
+        return m_scheduled_benchmark;
+    }   // isBenchmarkSchedule
+    // ----------------------------------------------------------------------------------------
     void addSpareTireKart(const std::string& name)
     {
         m_kart_status.push_back(KartStatus(name, 0, -1, -1,

src/states_screens/options/options_screen_video.cpp

@@ -371,6 +371,12 @@ void OptionsScreenVideo::init()
         m_fullscreen_checkbox_focus = false;
         getWidget("fullscreen")->setFocusForPlayer(PLAYER_ID_GAME_MASTER);
     }
+
+    // If a benchmark was requested and the game had to reload
+    // the graphics engine, start the benchmark when the
+    // video settings screen is loaded back afterwards.
+    if (RaceManager::get()->isBenchmarkScheduled())
+        startBenchmark();
 }   // init
 
 // --------------------------------------------------------------------------------------------
@@ -882,7 +888,7 @@ void OptionsScreenVideo::eventCallback(Widget* widget, const std::string& name,
 
         updateBlurSlider();
     }
-    else if (name == "vsync")
+    else if (name == "vsync") // Also handles the FPS limiter
     {
         GUIEngine::SpinnerWidget* vsync = getWidget<GUIEngine::SpinnerWidget>("vsync");
         assert( vsync != NULL );
@@ -904,7 +910,7 @@ void OptionsScreenVideo::eventCallback(Widget* widget, const std::string& name,
 #if !defined(SERVER_ONLY) && defined(_IRR_COMPILE_WITH_SDL_DEVICE_)
         update_swap_interval(UserConfigParams::m_swap_interval);
 #endif
-    }
+    } // vSync
     else if (name == "scale_rtts")
     {
         GUIEngine::SpinnerWidget* scale_rtts_level =
@@ -924,7 +930,7 @@ void OptionsScreenVideo::eventCallback(Widget* widget, const std::string& name,
         }
 #endif
         updateScaleRTTsSlider();
-    }
+    } // scale_rtts
     else if (name == "benchmarkCurrent")
     {
         // TODO - Add the possibility to benchmark more tracks and define replay benchmarks in
@@ -935,20 +941,27 @@ void OptionsScreenVideo::eventCallback(Widget* widget, const std::string& name,
 
         if (!result)
             Log::fatal("OptionsScreenVideo", "Can't open replay for benchmark!");
-        RaceManager::get()->setRaceGhostKarts(true);
 
-        RaceManager::get()->setMinorMode(RaceManager::MINOR_MODE_TIME_TRIAL);
-        ReplayPlay::ReplayData bench_rd = ReplayPlay::get()->getCurrentReplayData();
-        RaceManager::get()->setReverseTrack(bench_rd.m_reverse);
-        RaceManager::get()->setRecordRace(false);
-        RaceManager::get()->setWatchingReplay(true);
-        RaceManager::get()->setDifficulty((RaceManager::Difficulty)bench_rd.m_difficulty);
-
-        // The race manager automatically adds karts for the ghosts
-        RaceManager::get()->setNumKarts(0);
-        RaceManager::get()->setBenchmarking(true);
-        RaceManager::get()->startWatchingReplay(bench_rd.m_track_name, bench_rd.m_laps);
-    }
+        // Avoid crashing, when switching between advanced lighting and the old renderer
+        // before starting a performance test, ensure the image quality setting is applied
+        if (m_prev_adv_pipline != UserConfigParams::m_dynamic_lights &&
+            CVS->isGLSL())
+        {
+            irr_driver->sameRestart();
+            // We cannot start the benchmark immediately, in case we just restarted the graphics engine
+            RaceManager::get()->scheduleBenchmark();
+        }
+        else if (m_prev_img_quality != getImageQuality())
+        {
+            // TODO - check if this is enough for the setting to be properly applied
+            irr_driver->setMaxTextureSize();
+            startBenchmark();
+        }
+        else
+        {
+            startBenchmark();
+        }
+    } // benchmarkCurrent
     // TODO - Add a standard benchmark testing multiple presets
     /*else if (name == "benchmarkStandard")
     {
@@ -998,6 +1011,24 @@ void OptionsScreenVideo::eventCallback(Widget* widget, const std::string& name,
 
 // --------------------------------------------------------------------------------------------
 
+void OptionsScreenVideo::startBenchmark()
+{
+    RaceManager::get()->setRaceGhostKarts(true);
+    RaceManager::get()->setMinorMode(RaceManager::MINOR_MODE_TIME_TRIAL);
+    ReplayPlay::ReplayData bench_rd = ReplayPlay::get()->getCurrentReplayData();
+    RaceManager::get()->setReverseTrack(bench_rd.m_reverse);
+    RaceManager::get()->setRecordRace(false);
+    RaceManager::get()->setWatchingReplay(true);
+    RaceManager::get()->setDifficulty((RaceManager::Difficulty)bench_rd.m_difficulty);
+
+    // The race manager automatically adds karts for the ghosts
+    RaceManager::get()->setNumKarts(0);
+    RaceManager::get()->setBenchmarking(true); // Also turns off the scheduled benchmark if needed
+    RaceManager::get()->startWatchingReplay(bench_rd.m_track_name, bench_rd.m_laps);
+} // startBenchmark
+
+// --------------------------------------------------------------------------------------------
+
 void OptionsScreenVideo::tearDown()
 {
     if (getWidget("fullscreen")->isVisible() &&

src/states_screens/options/options_screen_video.hpp

@@ -104,6 +104,7 @@ private:
     void updateResolutionsList();
     void configResolutionsList();
     void initPresets();
+    void startBenchmark();
     static void onScrollResolutionsList(void* data);
 public:
     friend class GUIEngine::ScreenSingleton<OptionsScreenVideo>;