backported g3d changes:

[dosdemo] / src / gfxutil.h

diff --git a/src/gfxutil.h b/src/gfxutil.h
index f0468b6..adbbd15 100644 (file)
--- a/src/gfxutil.h
+++ b/src/gfxutil.h
@@ -15,6 +15,10 @@
 #define PACK_RGB32(r, g, b) \
        ((((r) & 0xff) << 16) | (((g) & 0xff) << 8) | ((b) & 0xff))
 
+#define UNPACK_R32(c)  (((c) >> 16) & 0xff)
+#define UNPACK_G32(c)  (((c) >> 8) & 0xff)
+#define UNPACK_B32(c)  ((c) & 0xff)
+
 int clip_line(int *x0, int *y0, int *x1, int *y1, int xmin, int ymin, int xmax, int ymax);
 void draw_line(int x0, int y0, int x1, int y1, unsigned short color);