15-462 Lecture 14: Rasterization

03/13/2003

15-462 Graphics I

44

Antialiasing in OpenGL

•Avoid explicit a-calculation in program

•Enable both smoothing and blending

glEnable(GL_POINT_SMOOTH);

glEnable(GL_LINE_SMOOTH);

glEnable(GL_BLEND);

glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);