cvSetOpenGlContext  213 modules/highgui/include/opencv2/highgui/highgui_c.h CVAPI(void) cvSetOpenGlContext(const char* window_name);
cvSetOpenGlContext  243 modules/highgui/src/window.cpp     cvSetOpenGlContext(windowName.c_str());
cvSetOpenGlContext 1103 modules/highgui/src/window_gtk.cpp         cvSetOpenGlContext(name);