87 hr = _query->GetData(&result,
sizeof(result), D3DGETDATA_FLUSH);
virtual void waiting_for_answer()
Requests the graphics engine to expedite the pending answer–the application is now waiting until the...
virtual bool is_answer_ready() const
Returns true if the query's answer is ready, false otherwise.
virtual int get_num_fragments() const
Returns the number of fragments (pixels) of the specified geometry that passed the depth test...