-// loads a texture's alpha mask, as pixel data
-qbyte *loadimagepixelsmask (const char *filename, qboolean complain, int matchwidth, int matchheight);
-
-// loads a texture's alpha mask, as a texture
-rtexture_t *loadtextureimagemask (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags);
-
-// loads a texture and it's alpha mask at once (NULL if it has no translucent pixels)
-rtexture_t *image_masktex;
-rtexture_t *image_nmaptex;
-rtexture_t *loadtextureimagewithmask (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags);
-rtexture_t *loadtextureimagewithmaskandnmap (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags, float bumpscale);
-rtexture_t *loadtextureimagebumpasnmap (rtexturepool_t *pool, const char *filename, int matchwidth, int matchheight, qboolean complain, int flags, float bumpscale);
-