592     void createGlContext(HWND hWnd, HDC& hGLDC, HGLRC& hGLRC, bool& useGl)  in createGlContext()  argument
624         hGLDC = GetDC(hWnd);  in createGlContext()
625         if (!hGLDC)  in createGlContext()
628         PixelFormat = ChoosePixelFormat(hGLDC, &pfd);  in createGlContext()
632         if (!SetPixelFormat(hGLDC, PixelFormat, &pfd))  in createGlContext()
635         hGLRC = wglCreateContext(hGLDC);  in createGlContext()
639         if (!wglMakeCurrent(hGLDC, hGLRC))  in createGlContext()
722     HDC hGLDC;  in cvNamedWindow()  local
766     hGLDC = 0;  in cvNamedWindow()
770         createGlContext(hWnd, hGLDC, hGLRC, useGl);  in cvNamedWindow()
797         window->dc = hGLDC;  in cvNamedWindow()