libcrbn/sampler/smcache.hpp

#ifndef __sampler_module_cache_hpp__
#define __sampler_module_cache_hpp__

#include <crbn/basic/basic.h>

#include <vector>

#include <crbn/sampler/smod.h>

struct sm_entry {
  char* type;
  void* modid;
  int32 ref;
  SMOD_CREATE_FUNC create;

  sm_entry() : type( 0 ), modid( 0 ), ref( 0 ), create( 0 ) {}
  sm_entry( char* t, void* mi, SMOD_CREATE_FUNC c ) : type( t ), modid( mi ), ref( 1 ), create( c ) {}
};

class SmpModCache
{
public:
  // ctor.
  SmpModCache();

  // dtor.
  ~SmpModCache();

  // make all clean
  void clear();

  // return a sampler module entry. If it doesn't
  // exist, it load it.
  sm_entry* get( char* sampler_type );

  void unref( char* sampler_type );
private:
  std::vector<sm_entry*> _sm_entries;
};

#endif // __sampler_module_cache_hpp__

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