X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=src%2Fpolyfill.c;h=3608b33cd3f0fac09d6d2a1c1a5faf1d8d42c162;hp=215cd785c9ec5ff128b4089d09223362d2e1660e;hb=9bdd6ddccd850f8a7dd2942c0b7088b77f41af0e;hpb=ed4dac9a7af24c8c4bb43484914c52502b68d8b7

diff --git a/src/polyfill.c b/src/polyfill.c
index 215cd78..3608b33 100644
--- a/src/polyfill.c
+++ b/src/polyfill.c
@@ -46,7 +46,7 @@ void polyfill_wire(struct pvertex *verts, int nverts)
 	}
 }
 
-#define NEXTIDX(x) ((x) ? (x) - 1 : nverts - 1)
+#define NEXTIDX(x) (((x) - 1 + nverts) % nverts)
 #define PREVIDX(x) (((x) + 1) % nverts)
 
 #define CALC_EDGE(which) \
@@ -116,7 +116,7 @@ void polyfill_flat(struct pvertex *pv, int nverts)
 
 		pixptr = (uint16_t*)fb_pixels + sline * fb_width + x;
 		for(i=0; i<slen; i++) {
-			*pixptr++ = color;
+			*pixptr++ += 10;
 		}
 
 		++sline;