snd_StreamBufferPool.h

Go to the documentation of this file.

#ifndef NW_SND_STREAM_BUFFER_POOL_H_
#define NW_SND_STREAM_BUFFER_POOL_H_
 
#include <nw/snd/snd_Global.h>
 
namespace nw { namespace snd { namespace internal { namespace driver {
 
class StreamBufferPool
{
public:
    void Initialize(void* pBuffer, size_t size, int blockCount);
    void Finalize();
 
    void* Alloc();
    void Free(void* pPtr);
 
    size_t GetBlockSize() const { return m_BlockSize; }
#ifdef NW_PLATFORM_CAFE
    const void* GetBufferAddr() { return m_pBuffer; }
#endif
 
private:
    static const int BLOCK_MAX = 32;
    static const int BIT_PER_BYTE = 8;
 
    void*   m_pBuffer;
    size_t  m_BufferSize;
    size_t  m_BlockSize;
    int     m_BlockCount;
    int     m_AllocCount;
    u8      m_AllocFlags[BLOCK_MAX / BIT_PER_BYTE];
};
static_assert(sizeof(StreamBufferPool) == 0x18);
 
} } } } // namespace nw::snd::internal::driver
 
#endif // NW_SND_STREAM_BUFFER_POOL_H_