by Richard S. Wright, Jr.
WHAT YOU'LL LEARN IN THIS CHAPTER:
Functions You'll Use
Set the raster position
Read and write color images
Magnify, shrink, and flip images
Set up operations on colors
Perform color substitutions
Perform advanced image filtering
Collect statistics on images
In the preceding chapters, you learned the basics of OpenGL's acclaimed 3D graphics capabilities. Until now, all output has been the result of three-dimensional primitives being transformed and projected to 2D space and finally rasterized into the color buffer. However, OpenGL ...