minor performance improvements, optional mouse, mouse cursor now drawn

[dosdemo] / src / gfxutil.c

diff --git a/src/gfxutil.c b/src/gfxutil.c
index a8d7edc..259b56d 100644 (file)
--- a/src/gfxutil.c
+++ b/src/gfxutil.c
@@ -101,7 +101,7 @@ void draw_line(int x0, int y0, int x1, int y1, unsigned short color)
        int i, dx, dy, x_inc, y_inc, error;
        unsigned short *fb = fb_pixels;
 
-       fb += y0 * fb_width + x0;
+       fb += y0 * FB_WIDTH + x0;
 
        dx = x1 - x0;
        dy = y1 - y0;
@@ -113,9 +113,9 @@ void draw_line(int x0, int y0, int x1, int y1, unsigned short color)
                dx = -dx;
        }
        if(dy >= 0) {
-               y_inc = fb_width;
+               y_inc = FB_WIDTH;
        } else {
-               y_inc = -fb_width;
+               y_inc = -FB_WIDTH;
                dy = -dy;
        }