I looked up convolution with openGL and found a message board like this where somebody had asked about doing it and there was a code sample given using these three lines of code
glEnable(GL_CONVOLUTION_2D);
glConvolutionFilter2D(…
glConvolutionParameteri(…
My compiler can’t see any of these convolution things, I must have an older library of opengl then this person. Where do I get the newest openGL library, I am using the one that comes with vc++6 called opengl32.lib