89     color col, avcol;  in render_one_pixel()  local
104     col = trace(&primary);  in render_one_pixel()
126             col.r += avcol.r;  in render_one_pixel()
127             col.g += avcol.g;  in render_one_pixel()
128             col.b += avcol.b;  in render_one_pixel()
131         col.r /= (scene.antialiasing + 1.0);  in render_one_pixel()
132         col.g /= (scene.antialiasing + 1.0);  in render_one_pixel()
133         col.b /= (scene.antialiasing + 1.0);  in render_one_pixel()
137     R = (int)(col.r * 255);  in render_one_pixel()
143     G = (int)(col.g * 255);  in render_one_pixel()
149     B = (int)(col.b * 255);  in render_one_pixel()