Initial version rendering 2D path for O3D. This will eventually allow O3D app...

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 711 matching lines @@
   IncrementDrawElementsRendered();
   State *current_state = material ? material->state() : NULL;
   PushRenderStates(current_state);
   ApplyDirtyStates();
   element->Render(this, draw_element, material, override, param_cache);
   PopRenderStates();
 }
 
 // Pushes rendering states.
 void Renderer::PushRenderStates(State *state) {
+#if !defined(RENDERER_CAIRO)
   DCHECK(!state_stack_.empty());
   if (state && (state_stack_.back() != state)) {
     const NamedParamRefMap& param_map = state->params();
     NamedParamRefMap::const_iterator end(param_map.end());
     for (NamedParamRefMap::const_iterator iter(param_map.begin());
          iter != end;
          ++iter) {
       Param* param = iter->second.Get();
       const StateHandler* state_handler = GetStateHandler(param);
       if (state_handler) {
         state_handler->SetState(this, param);
         state_param_stacks_[state_handler->index()].push_back(param);
       }
     }
   }
   // If the state is null, push top state since that's that state
   // that represents our current situation.
   if (!state) {
     state = state_stack_.back();
   }
   state_stack_.push_back(state);
+#endif
 }
 
 // Pops rendering states to back to their previous settings.
 void Renderer::PopRenderStates() {
   DCHECK_GT(state_stack_.size(), 1u);
   if (state_stack_.back() != state_stack_[state_stack_.size() - 2]) {
     State* state = state_stack_.back();
     // restore the states the top state object set.
     const NamedParamRefMap& param_map = state->params();
     NamedParamRefMap::const_iterator end(param_map.end());
@@ skipping 58 matching lines @@
 bool Renderer::SafeToBindTexture(Texture* texture) const {
   if (current_render_surface_ &&
       current_render_surface_->texture() == texture) {
     return false;
   }
 
   return true;
 }
 
 }  // namespace o3d