Revert r330897:

This was intended to be a non-functional change. It wasn't. The commit
message was thus wrong. In addition it broke arm, and merged crypto
related code.

Revert with prejudice.

This revert skips files touched in r316370 since that commit was since
MFCed. This revert also skips files that require $FreeBSD$ property
changes.

Thank you to those who helped me get out of this mess including but not
limited to gonzo, kevans, rgrimes.

Requested by: gjb (re)

Partial merge of the SPDX changes

These changes are incomplete but are making it difficult
to determine what other changes can/should be merged.

No objections from: pfg

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Convert files to UTF-8 and add some copyright markers where missing.

Quiet down clang -Werror.

Reported by: Pawel Worach
Approved by: jhb (mentor)

Integrate the line drawing algorithm from the book "Graphic Gems 1".

http://www.graphicsgems.org/

At the time it claimed to be 3-4 times faster than the traditional
algorithm.

PR: 18769
Approved by: jhb (mentor)
MFC after: 2 weeks

Change libvgl's set4pixels() and set2lines() functions from plain
'inline' to 'static inline'. Otherwise, a C99 compiler (such as clang)
will output an undefined symbol for those functions in the resulting
object file. (Even gcc will do this, when you use "-std=c99".)

This should fix the "undefined reference to `set4pixels'" errors that
some people were seeing during ports building, when their world was
compiled with clang.

Approved by: rpaulo (mentor)

Fix typo in the BSD copyright: s/withough/without/

Spotted and suggested by: des
MFC after: 3 weeks

Implement __FBSDID()

Add Truecolor 16 and 32bits support. Note that 24bits modes are not
supported since it's not easy to put 3 bytes accross 64Kb windows
of memory. This should not be such a problem with linear framebuffers.

There is no major interface modification except that the color type
becomes u_long instead of byte. So one just need to recompile his
application.

Approved by: Soren Schmidt <sos@freebsd.dk>

Initiate deorbit burn sequence for <machine/console.h>.

Replace all in-tree uses with necessary subset of <sys/{fb,kb,cons}io.h>.
This is also the appropriate fix for exo-tree sources.

Put warnings in <machine/console.h> to discourage use.
November 15th 2000 the warnings will be converted to errors.
January 15th 2001 the <machine/console.h> files will be removed.

- This is the new version of libvgl jointly developed by sos and I.
It adds new functions and extend some structures and can handle
VESA modes.
- Update the man page.
- Bump the library version number.

(The old version will be added to compat3x.)

$Id$ -> $FreeBSD$

Assorted bug fixes.

keyboard.c
- Call tcsetattr() in VGLKeyboardEnd() to restore tty, only when
tty attributes have been previously saved.
PR: misc/9524
Submitted by: Katusyuki 'kei' Maeda (kei@nanet.co.jp)
- Set up the tty raw mode correctly.

main.c
- Restore VESA_800x600 raster text mode correctly in VGLEnd().
Submitted by: des

text.c
- Allocate the correct size of a font buffer in VGLSetFontFile().
I forgot the submitter ;-(

simple.c, bitmap.c
- Fix address calculation for the VGA mode X in VGLGetXY() and
VGLBitmapCopy().
- Fix typo (dsty -> dstx) in __VGLBitmapCopy().

Reviewed by: sos

First import of my little "video graphic library".

See the manpage vgl.3 for more info.

A little example will follow shortly.