> I took HAVE_LIBXV off from config.h to make opengl work, just "-noxv" > arg in command line wasn't enought. > > Sorry but I'm new in OpenGL, could you help me answering why does > GL_EXTENSIONS return NULL in my system? would it be a lack of my > GeForceMX400? I don't think so, I rather think I made a mistake > somewhere. > > > I am looking for some information about how to use OpenGL to render a > > > scene with frames grabbed using v4l as texture with a acceptable capture > > > rate. I'm not sure what the problem is. I use OpenGL in my capture program, in particular glPixelZoom and glDrawPixels. I included the following: #include <GL/gl.h> #include <GL/glx.h> #include <X11/Xlib.h> My load options include the following: -lGL -L/usr/X11R6/lib -lX11 One other thing that might be relevant. My XF86Config-4 file includes Load "glx" but I commented out # Load "GLcore" This was due to comments I found on the nvidia web page (for my graphics card). Best regards, Stephen P.S. Does GLPixelZoom use hardware acceleration, or would I do better with the texture-mapping idea?
