Fix memory leak found by vlj

src/graphics/glwrap.hpp

@@ -60,6 +60,8 @@ public:
     size_t getHeight() const { return height; }
     static void Blit(const FrameBuffer &Src, FrameBuffer &Dst, GLbitfield mask = GL_COLOR_BUFFER_BIT, GLenum filter = GL_NEAREST);
     void BlitToDefault(size_t, size_t, size_t, size_t);
+
+    LEAK_CHECK(FrameBuffer);
 };
 
 class VertexUtils

src/tracks/quad_graph.cpp

@@ -55,6 +55,7 @@ QuadGraph::QuadGraph(const std::string &quad_file_name,
     m_mesh                 = NULL;
     m_mesh_buffer          = NULL;
     m_lap_length           = 0;
+    m_new_rtt              = NULL;
     QuadSet::create();
     QuadSet::get()->init(quad_file_name);
     m_quad_filename        = quad_file_name;
@@ -72,6 +73,8 @@ QuadGraph::~QuadGraph()
     }
     if(UserConfigParams::m_track_debug)
         cleanupDebugMesh();
+    if (m_new_rtt != NULL)
+        delete m_new_rtt;
 }   // ~QuadGraph
 
 // -----------------------------------------------------------------------------
@@ -991,7 +994,7 @@ void QuadGraph::makeMiniMap(const core::dimension2du &dimension,
     IrrDriver::RTTProvider* oldRttProvider = NULL;
     if (irr_driver->isGLSL())
     {
-        newRttProvider = new RTT(dimension.Width, dimension.Height);
+        m_new_rtt = newRttProvider = new RTT(dimension.Width, dimension.Height);
     }
     else
     {
@@ -1079,9 +1082,6 @@ void QuadGraph::makeMiniMap(const core::dimension2du &dimension,
     if (irr_driver->isGLSL())
     {
         frame_buffer = newRttProvider->render(camera, GUIEngine::getLatestDt());
-
-        // TODO: leak
-        //delete newRttProvider;
     }
     else
     {

src/tracks/quad_graph.hpp

@@ -37,6 +37,7 @@ namespace irr
 using namespace irr;
 
 class CheckLine;
+class RTT;
 class FrameBuffer;
 
 /**
@@ -55,6 +56,8 @@ class QuadGraph : public NoCopy
 private:
     static QuadGraph        *m_quad_graph;
 
+    RTT* m_new_rtt;
+
     /** The actual graph data structure. */
     std::vector<GraphNode*>  m_all_nodes;
     /** For debug mode only: the node of the debug mesh. */

src/tracks/track.cpp

@@ -352,8 +352,7 @@ void Track::cleanup()
     }
     if (m_new_rtt_mini_map)
     {
-        delete m_new_rtt_mini_map;
-        m_new_rtt_mini_map = NULL;
+        m_new_rtt_mini_map = NULL; // already deleted by QuadGraph::~QuadGraph
     }
 
     for(unsigned int i=0; i<m_sky_textures.size(); i++)