Method alloc

kernels/common/buffer.h:21–35

  {
  private:
    char* alloc(void* ptr_in, bool &shared, EmbreeMemoryType memoryType)
    {
      if (ptr_in)
      {
        shared = true;
        return (char*)ptr_in;
      }
      else
      {
        shared = false;
        device->memoryMonitor(this->bytes(), false);
        size_t b = (this->bytes()+15) & ssize_t(-16);
        return (char*)device->malloc(b,16,memoryType);
      }
    }

  public:
    Buffer(Device* device, size_t numBytes_in, void* ptr_in)