+bool
+_mesa_compute_rgba2base2rgba_component_mapping(GLenum baseFormat, uint8_t *map);
+
+void
+_mesa_format_convert(void *void_dst, uint32_t dst_format, size_t dst_stride,
+ void *void_src, uint32_t src_format, size_t src_stride,
+ size_t width, size_t height, uint8_t *rebase_swizzle);
+