_mesa_get_pack_ubyte_stencil_func(mesa_format format);
-extern void
-_mesa_pack_int_rgba_row(mesa_format format, GLuint n,
- const GLint src[][4], void *dst);
-
extern void
_mesa_pack_float_rgba_row(mesa_format format, GLuint n,
const GLfloat src[][4], void *dst);