make opencv support OpenGL&Cuda8
run code meet:
OpenCV Error: No OpenGL support (Library was built without OpenGL support) in cvNamedWindow, file C:\buildslave64\win64_amdocl\2_4_PackSlave-win32-vc11-shared\opencv\modules\highgui\src\window_w32.cpp, line 730
Because make Opencv without OpenGL,so i uninstall opencv under the 'build' folder,
before cmake ,we need install GTK + OpenGL Extensions,and cmake opencv with 'WITH OPENGL' choose
cd opencv-3.1/build sudo make uninstall cd ../ && rm -r buid sudo apt-get install libgtkglext1 libgtkglext1-dev
cmake-gui
But when i make opencv, i meet new error:
../../lib/libopencv_cudalegacy.so.3.2.0: undefined reference to `nppiGraphcut_32s8u' ../../lib/libopencv_cudalegacy.so.3.2.0: undefined reference to `nppiGraphcutInitAlloc' ../../lib/libopencv_cudalegacy.so.3.2.0: undefined reference to `nppiGraphcutFree' ../../lib/libopencv_cudalegacy.so.3.2.0: undefined reference to `nppiGraphcut8_32s8u' ../../lib/libopencv_cudalegacy.so.3.2.0: undefined reference to `nppiGraphcutGetSize' ../../lib/libopencv_cudalegacy.so.3.2.0: undefined reference to `nppiGraphcut8GetSize' ../../lib/libopencv_cudalegacy.so.3.2.0: undefined reference to `nppiGraphcut8InitAlloc' ../../lib/libopencv_cudalegacy.so.3.2.0: undefined reference to `nppiGraphcut_32f8u' ../../lib/libopencv_cudalegacy.so.3.2.0: undefined reference to `nppiGraphcut8_32f8u'