Graphics occlusion query class. More...
#include <occlusion_query.h>
Public Member Functions | |
Construction | |
OcclusionQuery () | |
Constructs a null instance. More... | |
OcclusionQuery (GraphicContext &context) | |
Constructs an occlusion query object. More... | |
virtual | ~OcclusionQuery () |
Attributes | |
bool | is_null () const |
Returns true if this object is invalid. More... | |
void | throw_if_null () const |
Throw an exception if this object is invalid. More... | |
int | get_result () |
Returns the result of the occlusion query. More... | |
bool | is_result_ready () |
Returns true if the GPU is ready to return the result. More... | |
OcclusionQueryProvider * | get_provider () const |
Get Provider. More... | |
Operations | |
void | begin () |
Start occlusion query. More... | |
void | end () |
Finish occlusion query. More... | |
Graphics occlusion query class.