-rtexture_t *loadtextureimagewithmask (char* filename, int matchwidth, int matchheight, qboolean complain, qboolean mipmap, qboolean precache);
-void Image_WriteTGARGB_preflipped (char *filename, int width, int height, byte *data);
-void Image_WriteTGARGB (char *filename, int width, int height, byte *data);
-void Image_WriteTGARGBA (char *filename, int width, int height, byte *data);
-qboolean Image_CheckAlpha(byte *data, int size, qboolean rgba);
+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);
+
+// writes a RGB TGA that is already upside down (which TGA wants)
+qboolean Image_WriteTGARGB_preflipped (const char *filename, int width, int height, const qbyte *data);
+
+// writes a RGB TGA
+void Image_WriteTGARGB (const char *filename, int width, int height, const qbyte *data);
+
+// writes a RGBA TGA
+void Image_WriteTGARGBA (const char *filename, int width, int height, const qbyte *data);
+
+// returns true if the image has some translucent pixels
+qboolean Image_CheckAlpha(const qbyte *data, int size, qboolean rgba);
+
+// resizes the image (in can not be the same as out)
+void Image_Resample (const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int bytesperpixel, int quality);
+
+// scales the image down by a power of 2 (in can be the same as out)
+void Image_MipReduce(const qbyte *in, qbyte *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth, int bytesperpixel);
+
+// only used by menuplyr coloring
+qbyte *LoadLMPAs8Bit (const qbyte *f, int matchwidth, int matchheight);
+
+void Image_HeightmapToNormalmap(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale);
+
+#endif
+