// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.

#ifndef tools_sg_render_manager
#define tools_sg_render_manager

#include "enums"
#include "senums"
#include "../img"
#include "../scast"

namespace tools {
namespace sg {

class render_manager {
public:
  virtual void* cast(const std::string&) const = 0;
public:
  virtual bool begin_render(int,int,                      //drawing area pos
                            unsigned int,unsigned int,    //drawing area size
                            float,float,float,float,bool a_clear = true) = 0; //back color
  virtual void end_render() = 0;

  virtual unsigned int create_texture(const img_byte&,bool /*a_NEAREST*/) = 0;
  virtual unsigned int create_gsto_from_data(size_t,const float*) = 0;

  virtual bool is_gsto_id_valid(unsigned int) const = 0;
  virtual void delete_gsto(unsigned int) = 0;

  // since rm of <TMGR,TRENDER> :
  virtual gsto_mode get_gsto_mode() const = 0;
  virtual void set_gsto_mode(gsto_mode) = 0;
  virtual void available_gsto_modes(std::vector<std::string>&) = 0;
  virtual void available_not_memory_gsto_mode(std::string&) const = 0;
  virtual size_t used_texture_memory() const = 0;
  virtual size_t gstos_size() const = 0;
public:
  virtual ~render_manager(){}
public:
  unsigned int create_gsto_from_data(const std::vector<float>& a_xyzs){
    const float* _xyzs = a_xyzs.data();
    return create_gsto_from_data(a_xyzs.size(),_xyzs);
  }
};

}}

#endif
