-_mesa_fetch_texel_2d_f_srgba_dxt1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_srgba_dxt3(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_srgba_dxt5(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_init_texture_s3tc(GLcontext *ctx);
-
-#else /* FEATURE_texture_s3tc */
-
-/* these are used only in texstore_funcs[] */
-#define _mesa_texstore_rgb_dxt1 NULL
-#define _mesa_texstore_rgba_dxt1 NULL
-#define _mesa_texstore_rgba_dxt3 NULL
-#define _mesa_texstore_rgba_dxt5 NULL
-
-/* these are used only in texfetch_funcs[] */
-#define _mesa_fetch_texel_2d_f_rgb_dxt1 NULL
-#define _mesa_fetch_texel_2d_f_rgba_dxt1 NULL
-#define _mesa_fetch_texel_2d_f_rgba_dxt3 NULL
-#define _mesa_fetch_texel_2d_f_rgba_dxt5 NULL
-#define _mesa_fetch_texel_2d_f_srgb_dxt1 NULL
-#define _mesa_fetch_texel_2d_f_srgba_dxt1 NULL
-#define _mesa_fetch_texel_2d_f_srgba_dxt3 NULL
-#define _mesa_fetch_texel_2d_f_srgba_dxt5 NULL