I cancelled the pixel doubling which was left over by the RPi

ultra-highres implementation.

diff --git a/src/tunnel.c b/src/tunnel.c
index 4662420..ee6758e 100644 (file)
--- a/src/tunnel.c
+++ b/src/tunnel.c
@@ -64,7 +64,7 @@ static int init(void)
        unsigned char *fog;
        float aspect = (float)fb_width / (float)fb_height;
 
-       xsz = fb_width / 2;
+       xsz = fb_width;
        ysz = fb_height;
        vxsz = xsz * VSCALE;
        vysz = ysz * VSCALE;
@@ -222,13 +222,15 @@ static void draw_tunnel_range(unsigned short *pix, int xoffs, int yoffs, int sta
        unsigned int *pixels = (unsigned int*)pix + starty * (fb_width >> 1);
 
        for(i=0; i<num_lines; i++) {
-               for(j=0; j<xsz; j++) {
+               for(j=0; j<(xsz>>1); j++) {
                        unsigned int col;
-                       int r, g, b;
+                       int r, g, b, idx = j << 1;
 
-                       tunnel_color(&r, &g, &b, toffs, tmap[j], fog[j]);
+                       tunnel_color(&r, &g, &b, toffs, tmap[idx], fog[idx]);
                        col = PACK_RGB16(r, g, b);
-                       *pixels++ = (col << 16) | col;
+                       tunnel_color(&r, &g, &b, toffs, tmap[idx + 1], fog[idx + 1]);
+                       col |= PACK_RGB16(r, g, b) << 16;
+                       *pixels++ = col;
                }
                tmap += vxsz;
                fog += vxsz;