extern GLboolean
_mesa_is_depth_format(GLenum format);
+extern GLboolean
+_mesa_is_stencil_format(GLenum format);
+
extern GLboolean
_mesa_is_ycbcr_format(GLenum format);
_mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source,
GLubyte *dest, const struct gl_pixelstore_attrib *packing );
+extern void
+_mesa_expand_bitmap(GLsizei width, GLsizei height,
+ const struct gl_pixelstore_attrib *unpack,
+ const GLubyte *bitmap,
+ GLubyte *destBuffer, GLint destStride,
+ GLubyte onValue);
+
/** \name Pixel processing functions */
/*@{*/