View Full Version : Image Processing : glConvolutionFilter2D

10-12-2002, 01:43 AM
I didn't find some sample or tutorial using
glConvolutionFilter2D. http://www.opengl.org/discussion_boards/ubb/frown.gif

Has anybody one sample ?

10-12-2002, 12:09 PM
The OpenGL 'RedBook' talks about that function and shows an image showing how it works. Pretty good section. I assume you dont have the RedBook so in google.com just type 'OpenGL RedBook' and you should find an older edition online to look at for free! http://www.opengl.org/discussion_boards/ubb/biggrin.gif Also the source to the redbook is online so that should help a lot.


10-13-2002, 12:20 AM
If it is samples on how to use a convolution filter, I suggest that you Google for "distortion mapping" or play around with the Photoshop filter "Distort".