184     HGLRC hGLRC;  member
592     void createGlContext(HWND hWnd, HDC& hGLDC, HGLRC& hGLRC, bool& useGl)  in createGlContext()  argument
635         hGLRC = wglCreateContext(hGLDC);  in createGlContext()
636         if (!hGLRC)  in createGlContext()
639         if (!wglMakeCurrent(hGLDC, hGLRC))  in createGlContext()
653         if (window->hGLRC)  in releaseGlContext()
655             wglDeleteContext(window->hGLRC);  in releaseGlContext()
656             window->hGLRC = NULL;  in releaseGlContext()
676         if (!wglMakeCurrent(window->dc, window->hGLRC))  in drawGl()
696         if (!wglMakeCurrent(window->dc, window->hGLRC))  in resizeGl()
723     HGLRC hGLRC;  in cvNamedWindow()  local
767     hGLRC = 0;  in cvNamedWindow()
770         createGlContext(hWnd, hGLDC, hGLRC, useGl);  in cvNamedWindow()
792         window->hGLRC = 0;  in cvNamedWindow()
798         window->hGLRC = hGLRC;  in cvNamedWindow()
851     if (!wglMakeCurrent(window->dc, window->hGLRC))  in cvSetOpenGlContext()