-// 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)
-extern rtexture_t *image_masktex;
-extern 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);
-
-// writes a RGB TGA that is already upside down (which TGA wants)
-qboolean Image_WriteTGARGB_preflipped (const char *filename, int width, int height, const unsigned char *data, unsigned char *buffer);
-
-// writes a RGB TGA
-void Image_WriteTGARGB (const char *filename, int width, int height, const unsigned char *data);
-
-// writes a RGBA TGA
-void Image_WriteTGARGBA (const char *filename, int width, int height, const unsigned char *data);
-
-// returns true if the image has some translucent pixels
-qboolean Image_CheckAlpha(const unsigned char *data, int size, qboolean rgba);