25.05.2002
Blending is used to combine the color of a given pixel that is about to be drawn with the pixel that is already on the screen.
Blending is setting through:
glEnable(GL_BLEND); and glDisable(GL_BLEND);
The Blending Equation is set:
glBlendFunc( source factor, destination factor );
source code (without jpeg.lib) and executable – 250kB