render improvments using some cache

src/framework/global.h

@@ -58,10 +58,6 @@
 #include <boost/algorithm/string.hpp>
 #include <boost/any.hpp>
 
-#ifndef nullptr
-#define nullptr NULL
-#endif
-
 // global constants
 #include "const.h"
 

src/framework/graphics/texture.h

@@ -37,7 +37,7 @@ public:
     virtual void enableBilinearFilter();
 
     /// Get OpenGL texture id
-    virtual uint getId() const { return m_textureId; }
+    uint getId() const { return m_textureId; }
 
     /// Copy pixels from OpenGL texture
     std::vector<uint8> getPixels();

src/framework/util/types.h

@@ -42,4 +42,8 @@ typedef int8_t int8;
 typedef std::function<void()> SimpleCallback;
 typedef std::function<bool()> BooleanCallback;
 
+#ifndef nullptr
+#define nullptr NULL
+#endif
+
 #endif