Converted a couple more things to shared pointers.

src/dawnopengl/display/RenderManager.cpp

@@ -9,14 +9,16 @@
 
 using namespace Dawn;
 
-RenderManager::RenderManager(DawnGame *game) :
-  IRenderManager(game),
-  backBuffer(*this),
+RenderManager::RenderManager() :
+  IRenderManager(),
   renderPipeline(this)
 {
+  backBuffer = std::make_shared<BackBufferRenderTarget>(*this);
 }
 
-void RenderManager::init() {
+void RenderManager::init(std::weak_ptr<DawnGame> game) {
+  this->game = game;
+  
   // Lock the common shaders
   lockSimpleTextured = shaderManager.lockShader<SimpleTexturedShader>();
   simpleTexturedShader = shaderManager.getShader<SimpleTexturedShader>(
@@ -47,8 +49,8 @@ void RenderManager::init() {
   assertNoGLError();
 }
 
-RenderTarget * RenderManager::getBackBuffer() {
-  return &backBuffer;
+std::shared_ptr<RenderTarget> RenderManager::getBackBuffer() {
+  return backBuffer;
 }
 
 RenderPipeline * RenderManager::getRenderPipeline() {
@@ -59,7 +61,7 @@ ShaderManager * RenderManager::getShaderManager() {
   return &shaderManager;
 }
 
-void RenderManager::setRenderFlags(renderflag_t flags) {
+void RenderManager::setRenderFlags(flag_t flags) {
   renderFlags = flags;
   
   if((flags & RENDER_MANAGER_RENDER_FLAG_DEPTH_TEST) == 0) {

src/dawnopengl/display/RenderManager.hpp

@@ -22,7 +22,7 @@ namespace Dawn {
       shaderlock_t lockFontShader = -1;
 
     public:
-      BackBufferRenderTarget backBuffer;
+      std::shared_ptr<BackBufferRenderTarget> backBuffer;
       SimpleTexturedShader *simpleTexturedShader = nullptr;
       UIShader *uiShader = nullptr;
       FontShader *fontShader = nullptr;
@@ -30,13 +30,13 @@ namespace Dawn {
       /**
        * Construct a new RenderManager for a game instance.
        */
-      RenderManager(DawnGame *game);
+      RenderManager();
       
-      RenderTarget * getBackBuffer() override;
+      std::shared_ptr<RenderTarget> getBackBuffer() override;
       RenderPipeline * getRenderPipeline() override;
       ShaderManager * getShaderManager() override;
-      void setRenderFlags(renderflag_t renderFlags) override;
-      void init() override;
+      void setRenderFlags(flag_t renderFlags) override;
+      void init(std::weak_ptr<DawnGame> game) override;
       void update() override;
       
       /**