Default constructor, called when the Graphics Resource DLL is loaded into a process. Creates the mutex used to synchronise access to the global data. The mutex will be automatically destroyed by the kernel on process termination.

Pointer to the Graphics Resource Adapter singleton in this process.

Result code of the constructor.

Handle to the mutex used to synchronise access to the global data.

Number of times SgDriver::Open() has been called from this process without a corresponding call to SgDriver::Close().