System information (version)
Case 1 (resolved, 4.5.5)
cmake .. -DWITH_GTK=ON -DWITH_GTK_2_X=ON -DWITH_OPENGL=ON
/usr/lib64/gcc/x86_64-suse-linux/11/../../../../x86_64-suse-linux/bin/ld: lib/libopencv_core.so.4.5.4: undefined reference to `glXGetCurrentDisplay'
/usr/lib64/gcc/x86_64-suse-linux/11/../../../../x86_64-suse-linux/bin/ld: lib/libopencv_core.so.4.5.4: undefined reference to `glXGetCurrentContext'
/usr/lib64/gcc/x86_64-suse-linux/11/../../../../x86_64-suse-linux/bin/ld: lib/libopencv_core.so.4.5.4: undefined reference to `glXGetProcAddressARB'
Case 2
cmake .. -DWITH_GTK=ON -DWITH_GTK_2_X=ON -DWITH_OPENGL=ON -DHIGHGUI_ENABLE_PLUGINS=OFF
#include <opencv2/highgui.hpp>
#include <opencv2/core/opengl.hpp>
int main(int argc, char* argv[])
{
bool use_texture = argc > 1;
cv::namedWindow("img", cv::WINDOW_OPENGL | cv::WINDOW_AUTOSIZE);
cv::Mat img = cv::Mat(200, 200, CV_8UC3, CV_RGB(255, 0, 0));
if (use_texture)
{
cv::ogl::Texture2D tex;
tex.copyFrom(img);
cv::imshow("img", tex);
}
else
{
cv::imshow("img", img);
}
cv::waitKey(0);
}
use_texture |
Window |
| true |
red (OK) |
| false |
black ( X ) |
Case 3
cmake .. -DWITH_GTK=ON -DWITH_GTK_2_X=ON -DWITH_OPENGL=ON -DWITH_QT=ON -DHIGHGUI_PLUGIN_LIST=all
#include <opencv2/highgui.hpp>
int main()
{
cv::namedWindow("img", cv::WINDOW_OPENGL | cv::WINDOW_AUTOSIZE);
}terminate called after throwing an instance of 'cv::Exception'
what(): OpenCV(4.5.4-pre) /home/huangqinjin/Projects/opencv/modules/highgui/src/window_gtk.cpp:1137: error: (-218:No OpenGL support) Library was built without OpenGL support in function 'namedWindow_'
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