41     m_CommandListBegin = NULL;  in Initialize()
42     m_CommandListEnd = NULL;  in Initialize()
68     if ( ptr != NULL ) return ptr;  in AllocMemory()
72     if ( ptr != NULL ) return ptr;  in AllocMemory()
75     while( ptr == NULL )  in AllocMemory()
87     void* ptr = NULL;  in TryAllocMemory()
89     if ( m_CommandMemoryAreaZeroFlag ) return NULL;  in TryAllocMemory()
110     if ( ptr != NULL && m_CommandMemoryAreaBegin == m_CommandMemoryAreaEnd ) {  in TryAllocMemory()
135     if ( m_CommandListEnd == NULL )  in PushCommand()
146     command->next = NULL;  in PushCommand()
172     if ( m_CommandListBegin == NULL ) {  in FlushCommand()
200     m_CommandListBegin = NULL;  in FlushCommand()
201     m_CommandListEnd = NULL;  in FlushCommand()
212     while( command != NULL )  in FinalizeCommandList()
214         if ( command->next == NULL ) {  in FinalizeCommandList()