/* allocate storage for the temporary, uncompressed image */
/* 20 extra bytes, just be safe when calling last FetchTexel */
temp_src_stride = _mesa_format_row_stride(temp_format, srcImage->Width);
/* allocate storage for the temporary, uncompressed image */
/* 20 extra bytes, just be safe when calling last FetchTexel */
temp_src_stride = _mesa_format_row_stride(temp_format, srcImage->Width);