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 * in the documentation and/or other materials provided with the
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// This file contains the Features declaration.

#ifndef O3D_CORE_CROSS_FEATURES_H_
#define O3D_CORE_CROSS_FEATURES_H_

#include <string>
#include <vector>
#include "core/cross/types.h"
#include "core/cross/service_locator.h"
#include "core/cross/service_implementation.h"
#include "core/cross/renderer.h"

namespace o3d {

// Features is a class that represents features requested by the user
// for the O3D.
class Features {
 public:
  static const InterfaceId kInterfaceId;

  explicit Features(ServiceLocator* service_locator);

  // Initalizes the Features with the user requested features.
  // Parameters:
  //   requested_features: A comma separate string of features.
  void Init(const String& requested_features);

  bool floating_point_textures() const {
    return floating_point_textures_;
  }

  bool large_geometry() const {
    return large_geometry_;
  }

  bool windowless() const {
    return windowless_;
  }

  bool not_anti_aliased() const {
    return not_anti_aliased_;
  }

  bool flip_textures() const {
    return flip_textures_;
  }

  // This can be used to force the renderer to fail for testing.
  Renderer::InitStatus init_status() const {
    return init_status_;
  }

 private:
  // Parses the features strings.
  // Parameters:
  //   features: vector of feature strings.
  //   version_pass: True = only check for APIVersion, false = check everything
  //       but APIVersion.
  void ParseFeatures(const std::vector<std::string>& features,
                     bool version_pass);

  ServiceImplementation<Features> service_;

  bool floating_point_textures_;
  bool large_geometry_;
  bool windowless_;
  bool not_anti_aliased_;
  bool flip_textures_;
  Renderer::InitStatus init_status_;

  DISALLOW_COPY_AND_ASSIGN(Features);
};

}  // namespace o3d

#endif  // O3D_CORE_CROSS_FEATURES_H_