Create RTTs only when loading a track

src/graphics/irr_driver.cpp

@@ -472,9 +472,6 @@ void IrrDriver::initDevice()
     if (m_glsl)
     {
         Log::info("irr_driver", "GLSL supported.");
-
-        // Order matters, create RTTs as soon as possible, as they are the largest blocks.
-        m_rtts = new RTT();
     }
     // m_glsl might be reset in rtt if an error occurs.
     if(m_glsl)
@@ -1560,7 +1557,20 @@ video::ITexture* IrrDriver::applyMask(video::ITexture* texture,
     mask->drop();
     return t;
 }   // applyMask
-
+// ----------------------------------------------------------------------------
+void IrrDriver::onLoadWorld()
+{
+    if (m_glsl)
+    {
+        m_rtts = new RTT();
+    }
+}
+// ----------------------------------------------------------------------------
+void IrrDriver::onUnloadWorld()
+{
+    delete m_rtts;
+    m_rtts = NULL;
+}
 // ----------------------------------------------------------------------------
 /** Sets the ambient light.
  *  \param light The colour of the light to set.

src/graphics/irr_driver.hpp

@@ -590,6 +590,10 @@ public:
     }   // addDebugMesh
 
 #endif
+
+    void onLoadWorld();
+    void onUnloadWorld();
+
     // --------------------- RTT --------------------
     /**
       * Class that provides RTT (currently, only when no other 3D rendering

src/graphics/rtts.hpp

@@ -19,6 +19,7 @@
 
 #include "graphics/glwrap.hpp"
 #include "utils/ptr_vector.hpp"
+#include "utils/leak_check.hpp"
 
 namespace irr {
     namespace video {
@@ -127,6 +128,8 @@ private:
     unsigned DepthStencilTexture;
 
     unsigned shadowFBO, shadowColorTex, shadowDepthTex;
+
+    LEAK_CHECK();
 };
 
 #endif

src/modes/world.cpp

@@ -345,6 +345,8 @@ Controller* World::loadAIController(AbstractKart *kart)
 //-----------------------------------------------------------------------------
 World::~World()
 {
+    irr_driver->onUnloadWorld();
+
     if(ReplayPlay::get())
     {
         // Destroy the old replay object, which also stored the ghost

src/race/race_manager.cpp

@@ -462,6 +462,8 @@ void RaceManager::startNextRace()
     // functions.
     World::getWorld()->reset();
 
+    irr_driver->onLoadWorld();
+
     // Save the current score and set last time to zero. This is necessary
     // if someone presses esc after finishing a gp, and selects restart:
     // The race is rerun, and the points and scores get reset ... but if