Make more stuff private in renderer

core/cross/renderer.cc

 /*
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 81 matching lines @@
 
 }  // anonymous namespace
 
 // Returns whether to Force the Software Renderer by checking for the existence
 // of the environment variable O3D_FORCE_SOFTWARE_RENDERER.
 bool Renderer::IsForceSoftwareRenderer() {
   return getenv("O3D_FORCE_SOFTWARE_RENDERER") != NULL;
 }
 
 Renderer::Renderer(ServiceLocator* service_locator)
-    : current_render_surface_(NULL),
+    : service_locator_(service_locator),
+      service_(service_locator, this),
+      features_(service_locator),
+      current_render_surface_(NULL),
       current_depth_surface_(NULL),
       current_render_surface_is_back_buffer_(true),
-      service_locator_(service_locator),
-      service_(service_locator, this),
-      features_(service_locator),
       viewport_(0.0f, 0.0f, 1.0f, 1.0f),
       depth_range_(0.0f, 1.0f),
       write_mask_(0xf),
       render_frame_count_(0),
       transforms_processed_(0),
       transforms_culled_(0),
       draw_elements_processed_(0),
       draw_elements_culled_(0),
       draw_elements_rendered_(0),
       primitives_rendered_(0),
@@ skipping 183 matching lines @@
 }
 
 void Renderer::FinishRendering() {
   DCHECK(rendering_);
   DCHECK(!drawing_);
   DCHECK_GT(start_depth_, 0);
   --start_depth_;
   if (start_depth_ == 0) {
     ApplyDirtyStates();
     PlatformSpecificFinishRendering();
+    // Don't hold pointers to these when we are finished rendering.
+    current_render_surface_ = NULL;
+    current_depth_surface_ = NULL;
     rendering_ = false;
   }
 }
 
 void Renderer::Present() {
   DCHECK(!rendering_);
   DCHECK(!drawing_);
   PlatformSpecificPresent();
 }
 
@@ skipping 492 matching lines @@
 bool Renderer::SafeToBindTexture(Texture* texture) const {
   if (current_render_surface_ &&
       current_render_surface_->texture() == texture) {
     return false;
   }
 
   return true;
 }
 
 }  // namespace o3d