Commit Graph

103 Commits

Author SHA1 Message Date
Enrico Weigelt, metux IT consult
b39baf6a07 Xext: shape: use REQUEST_HEAD_STRUCT and REQUEST_FIELD_* macros
Use the new macros to make request struct parsing / field swapping
much easier.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2026-02-06 12:03:24 +01:00
squishypinkelephant
02f1efe2bc Xext: shape: replace ShapeEventType resource by devPrivate
Instead of abusing resource types, use the standard devPrivate
mechanism for assigning auxillary data to windows.

Signed-off-by: squishypinkelephant <squishypinkelephant@gmail.com>
2026-01-12 10:11:55 +01:00
Enrico Weigelt, metux IT consult
36facd71b5 dix: move request/response related functions to new request_priv.h header
Move functions/macros dealing with request parsing or reply assembly/write
out of the big dix_priv.h into their own headers. This new header will also
get more of those function/macros soon (yet still in the pipeline).

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-09-24 11:32:50 +02:00
Enrico Weigelt, metux IT consult
a6f629cbaa Xext: Xi: use return value of X_SEND_REPLY_SIMPLE()
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-09-22 12:13:27 +02:00
Enrico Weigelt, metux IT consult
eb17b34362 Xinerama: lambda-esque macro for walking Xinerama screens
Move the walking loops on Xinerama screens into lambda-esque macros:
the callers look quite like we've been using lambda functions and
closures, but actually are just fancy macro trickery.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-09-09 14:12:40 +02:00
Enrico Weigelt, metux IT consult
f598186c0d Xext: canonical walkScreenIdx variable on screen list iterations
When iterating screen lists, consistently use the same variable name
`walkScreenIdx` for holding current screen index everywhere.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-09-08 17:40:42 +02:00
Enrico Weigelt, metux IT consult
49ddc8b3ec Xext: shape: inline request swapping
It's so trivial that those few lines can easily be inlined into
the actual request handler.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-09-08 10:20:56 +02:00
Enrico Weigelt, metux IT consult
f8ad69698a treewide return code of X_SEND_REPLY_WITH_RPCBUF()
The macro will automatically return BadAlloc if the buffer is broken,
otherwise Success. Thus, we don't need extra prior rpcbuf check.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-09-02 12:48:50 +02:00
Enrico Weigelt, metux IT consult
cd86e5f69a Xext: canonical naming for reply structs
Let all reply structs be called `reply`.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-08-26 10:15:40 +02:00
Enrico Weigelt, metux IT consult
f69c8746d1 xext: shape: use X_SEND_REPLY_SIMPLE()
Use X_SEND_REPLY_SIMPLE() for sending out simple replies.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-08-22 14:22:37 +02:00
Enrico Weigelt, metux IT consult
29005e9873 shape: use X_SEND_REPLY_WITH_RPCBUF() macro
Use the new X_SEND_REPLY_WITH_RPCBUF() macro for final reply write out

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-08-18 11:16:23 +02:00
Enrico Weigelt, metux IT consult
a18524fa5d Xext: shape: fix non-ximerama build
In the non-XINERAMA code path, a parameter was missing.

Fixes: a57db845bb
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-08-12 11:10:53 +02:00
Enrico Weigelt, metux IT consult
f1eed8bc90 Xext: use x_rpcbuf_t instead of struct x_rpcbuf
For consistency, always use the typedef instead of raw struct.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-08-04 17:01:24 +02:00
Enrico Weigelt, metux IT consult
75a6b756f1 Xext: shape: ProcShapeQueryExtents(): consolidate reply struct assembly
Consolidate reply struct assembly into one big struct initializer,
no more later assignments. Preparation for more upcoming consolidations
via generic macros for simple byteswapping.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-07-23 16:43:01 +02:00
Enrico Weigelt, metux IT consult
1ddfce3ae6 Xext: shape: ProcShapeQueryExtents(): scope and separate variables
declare variables right where they're needed, don't reuse variables
for several things and scope only short-lived ones.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-07-23 16:43:01 +02:00
Enrico Weigelt, metux IT consult
ac319a136b Xext: shape: ProcShapeGetRectangles(): use x_rpcbuf_t
Use x_rpcbuf_t for assembling reply payload and byte-swapping.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-07-23 16:43:01 +02:00
Enrico Weigelt, metux IT consult
b847ecb9a3 Xext: shape: consolidate reply struct declarations
a) always declare and initialize in one step
b) drop unncessary zero-values

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-07-23 16:43:01 +02:00
Enrico Weigelt, metux IT consult
43dd9e5f43 dix: clean up MakeWindowOptional() calls and add alloc fault checks
a) no need to checking for win->optional == NULL before calling
   MakeWindowOptional(), because it checks itself
   (except some cases where it's presence has it's own semantics,
   or prevent unnecessary allocations)
b) lots of call sites didn't check for allocation failure.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-06-12 17:21:48 +02:00
Enrico Weigelt, metux IT consult
8966b04224 dix: unexport MakeWindowOptional()
Really internal, should not be used by drivers.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-06-12 17:21:48 +02:00
Enrico Weigelt, metux IT consult
3c028a8cc0 miext: move over extinit_priv.h from include
Since most of the extension init logic (and on/off switches for them)
is driven from miext, this seems the appropriate place for the header.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-06-12 17:21:46 +02:00
Enrico Weigelt, metux IT consult
535a110c60 Xext: clean up including panoramix headers
* use their actual path instead of relying this to be in compiler's
  include path list.
* no need to do it only conditionally, no #ifdef needed

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-06-12 17:21:43 +02:00
Enrico Weigelt, metux IT consult
c96901a85a Xext: use calloc() instead of malloc()
Using calloc() instead of malloc() as preventive measure, so there
never can be any hidden bugs or leaks due uninitialized memory.

The extra cost of using this compiler intrinsic should be practically
impossible to measure - in many cases a good compiler can even deduce
if certain areas really don't need to be zero'd (because they're written
to right after allocation) and create more efficient machine code.

The code pathes in question are pretty cold anyways, so it's probably
not worth even thinking about potential extra runtime costs.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-06-12 16:48:11 +02:00
Enrico Weigelt, metux IT consult
c4642f2632 Xext: shape: fix warning on possible NULL dereference
Try not to rely on deep black magic of calloc(), instead skip the whole
part of nrects is zero.

| ../Xext/shape.c: In function ‘ProcShapeGetRectangles’:
| ../Xext/shape.c:995:24: warning: dereference of possibly-NULL ‘rects’ [CWE-690] [-Wanalyzer-possible-null-dereference]
|   995 |             rects[i].x = box->x1;
|       |             ~~~~~~~~~~~^~~~~~~~~

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-06-12 16:32:58 +02:00
Enrico Weigelt, metux IT consult
25f50e2cc5 panoramix: replace FOR_NSCREENS() by FOR_NSCREENS_BACKWARD(i)
FOR_NSCREENS() is just alias for FOR_NSCREENS_BACKWARD(). In many cases
it really matters that we're going backwards and the last iteration visited
the screen #0, and that one is panoramix-wrapped.

Thus directly calling FOR_NSCREENS_BACKWARD() here and dropping the alias.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2025-06-12 16:24:18 +02:00
Enrico Weigelt, metux IT consult
356e18dcc6 os: move out extension disable flags to corresponing extensions
The OS abstraction isn't really the right place for those flags,
they are're probably better off in their corresponding extensions.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1519>
2025-02-07 12:00:53 +01:00
Enrico Weigelt, metux IT consult
a7bdfdb3b5 Xext: shape: drop now obsolete swap procs
Several SProc's have become no-ops, just calling the actual Proc's,
so we can get rid of them entirely.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1639>
2025-02-06 22:28:52 +00:00
Enrico Weigelt, metux IT consult
a105c1f7a9 Xext: shape: drop swapping request length fields
The request struct's length fields aren't used anymore - we have the
client->req_len field instead, which also is bigreq-compatible.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1639>
2025-02-06 22:28:50 +00:00
Enrico Weigelt, metux IT consult
dab1299745 Xext: shape: fix length checking with bigreq
The authorative source of the request frame size is client->req_len,
especially with big requests larger than 2^18 bytes.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1639>
2025-02-06 22:28:48 +00:00
Enrico Weigelt, metux IT consult
a57db845bb Xext: shape: clean up Xinerama dispatch
Simplify the dispatching by moving the branching between Xinerama
vs. single screen into the actual request handlers.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1598>
2025-02-06 21:08:13 +00:00
Enrico Weigelt, metux IT consult
fb696a7d7b rename old symbol PANORAMIX to XINERAMA
PANORAMIX was the original working title of the extension, before it became
official standard. Just nobody cared about fixing the symbols to the official
naming.

For backwards compatibility with drivers, the old PANORAMIX symbol will
still be set.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1258>
2025-02-06 15:51:27 +00:00
Enrico Weigelt, metux IT consult
a917f6a8a8 drop obsolete HAVE_DIX_CONFIG_H
The symbol controls whether to include dix-config.h, and it's always set,
thus we don't need it (and dozens of ifdef's) anymore.

This commit only removes them from our own source files, where we can
guarantee that dix-config.h is present - leaving the (potentially exported)
headers untouched.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
2024-10-10 13:38:31 +00:00
Enrico Weigelt, metux IT consult
33350ef8ff include: move private definitions out of extinit.h
Public server module API shouldn't be clobbered with private definitions,
thus move them out to extinit_priv.h.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1289>
2024-04-30 00:47:38 +00:00
Enrico Weigelt, metux IT consult
85d4bd0dba rename remaining RT_* defines to X11_RESTYPE_*
Since we already had to rename some of them, in order to fix name clashes
on win32, it's now time to rename all the remaining ones.

The old ones are still present as define's to the new ones, just for
backwards compatibility.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1355>
2024-04-15 19:00:47 -07:00
Enrico Weigelt, metux IT consult
232cad9ec3 prevent name clash on Windows w/ RT_* defines
Windows' native headers using some our RT_* define's names for other things.
Since the naming isn't very nice anyways, introducing some new ones
(X11_RESTYPE_NONE, X11_RESTYPE_FONT, X11_RESTYPE_CURSOR) and define the old
ones as an alias to them, in case some out-of-tree code still uses them.

With thins change, we don't need to be so extremely careful about include
ordering and have explicit #undef's in order to prevent name clashes on
Win32 targets.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1355>
2024-04-15 18:59:23 -07:00
Enrico Weigelt, metux IT consult
d444cd4237 dix: unexport some lookup functions
These aren't used by any drivers, so no need to export them.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1380>
2024-04-15 18:11:57 -07:00
Enrico Weigelt, metux IT consult
9a8e6c5bfd dix: unexport VerifyRectOrder
Not used by any driver, so no need to export it.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1365>
2024-04-15 23:10:31 +00:00
Adam Jackson
dc7ceda90f dispatch: Mark swapped dispatch as _X_COLD
This touches everything that ends up in the Xorg binary; the big missing
part is GLX since that's all generated code. Cuts about 14k from the
binary on amd64.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
2017-03-01 10:16:20 -05:00
Adam Jackson
137ac094e7 dix: Push UpdateCurrentTimeIf down out of the main loop
This was added in:

    commit 312910b4e3
    Author: Chase Douglas <chase.douglas@canonical.com>
    Date:   Wed Apr 18 11:15:40 2012 -0700

        Update currentTime in dispatch loop

Unfortunately this is equivalent to calling GetTimeInMillis() once per
request. In the absolute best case (as on Linux) you're only hitting the
vDSO; on other platforms that's a syscall. Either way it puts a pretty
hard ceiling on request throughput.

Instead, push the call down to the requests that need it; basically,
grab processing and event generation.

Cc: Chase Douglas <chase.douglas@canonical.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Adam Jackson <ajax@redhat.com>
2016-05-04 10:58:01 -04:00
Alan Coopersmith
1c56ac63c0 Convert top level extensions to new *allocarray functions
v2: remove now useless parentheses

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
2015-04-21 16:57:08 -07:00
Keith Packard
60014a4a98 Replace 'pointer' type with 'void *'
This lets us stop using the 'pointer' typedef in Xdefs.h as 'pointer'
is used throughout the X server for other things, and having duplicate
names generates compiler warnings.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
2014-01-12 10:24:11 -08:00
Daniel Stone
a1d41e311c Move extension initialisation prototypes into extinit.h
Create extinit.h (and xf86Extensions.h, for Xorg-specific extensions) to
hold all our extension initialisation prototypes, rather than
duplicating them everywhere.

Signed-off-by: Daniel Stone <daniel@fooishbar.org>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Keith Packard <keithp@keithp.com>
2012-07-09 23:06:41 -07:00
Alan Coopersmith
9805cedf7b Use C99 designated initializers in extension Events
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Tested-by: Daniel Stone <daniel@fooishbar.org>
2012-07-09 22:52:30 -07:00
Alan Coopersmith
6a721e3af5 Use C99 designated initializers in Xext Replies
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Tested-by: Daniel Stone <daniel@fooishbar.org>
2012-07-09 19:58:30 -07:00
Alan Coopersmith
789d64e19a Remove unneccesary casts from WriteToClient calls
Casting return to (void) was used to tell lint that you intended
to ignore the return value, so it didn't warn you about it.

Casting the third argument to (char *) was used as the most generic
pointer type in the days before compilers supported C89 (void *)
(except for a couple places it's used for byte-sized pointer math).

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Tested-by: Daniel Stone <daniel@fooishbar.org>
2012-07-09 19:12:56 -07:00
Keith Packard
9838b7032e Introduce a consistent coding style
This is strictly the application of the script 'x-indent-all.sh'
from util/modular. Compared to the patch that Daniel posted in
January, I've added a few indent flags:

	-bap
	-psl
	-T PrivatePtr
	-T pmWait
	-T _XFUNCPROTOBEGIN
	-T _XFUNCPROTOEND
	-T _X_EXPORT

The typedefs were needed to make the output of sdksyms.sh match the
previous output, otherwise, the code is formatted badly enough that
sdksyms.sh generates incorrect output.

The generated code was compared with the previous version and found to
be essentially identical -- "assert" line numbers and BUILD_TIME were
the only differences found.

The comparison was done with this script:

dir1=$1
dir2=$2

for dir in $dir1 $dir2; do
	(cd $dir && find . -name '*.o' | while read file; do
		dir=`dirname $file`
		base=`basename $file .o`
		dump=$dir/$base.dump
		objdump -d $file > $dump
	done)
done

find $dir1 -name '*.dump' | while read dump; do
	otherdump=`echo $dump | sed "s;$dir1;$dir2;"`
	diff -u $dump $otherdump
done

Signed-off-by: Keith Packard <keithp@keithp.com>
Acked-by: Daniel Stone <daniel@fooishbar.org>
Acked-by: Alan Coopersmith <alan.coopersmith@oracle.com>
2012-03-21 13:54:42 -07:00
Matt Turner
2c7c520cfe Use internal temp variable for swap macros
Also, fix whitespace, mainly around
	swaps(&rep.sequenceNumber)

Reviewed-by: Peter Harris <pharris@opentext.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2011-09-21 17:12:04 -04:00
Tiago Vignatti
cbd4d5dbb7 xserver: delete pervasively use of DISPATCH_PROC
Some functions had to be moved around due some missing static definitions.
Another minor clean up like inexistent function declarations and etc were made
also.

Part of this patch was cooked using:
sed -i -e '/static DISPATCH_PROC*.*;/d' `git ls-files`

Signed-off-by: Tiago Vignatti <tiago.vignatti@nokia.com>
Reviewed-by: Mikhail Gusarov <dottedmag@dottedmag.net>
2010-09-28 16:45:05 +03:00
Mikhail Gusarov
7287ef9e6c Remove unnecessary parentheses around return values in functions
This patch was generated by the following Perl code:

perl -i -pe 's/([^_])return\s*\(\s*([^(]+?)\s*\)s*;(\s+(\n))?/$1return $2;$4/g;'

Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
2010-06-10 06:42:42 -07:00
Jamey Sharp
a0fe6987b5 Clean up after removal of screen parameters from region macros.
Signed-off-by: Jamey Sharp <jamey@minilop.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
2010-06-05 22:07:21 -07:00
Keith Packard
2dc138922b Rename region macros to eliminate screen argument
This is a combination of a huge mechanical patch and a few small
fixups required to finish the job. They were reviewed separately, but
because the server does not build without both pieces, I've merged
them together at this time.

The mechanical changes were performed by running the included
'fix-region' script over the whole tree:

$ git ls-files | grep -v '^fix-' | xargs ./fix-region

And then, the white space errors in the resulting patch were fixed
using the provided fix-patch-whitespace script.

$ sh ./fix-patch-whitespace

Thanks to Jamey Sharp for the mighty fine sed-generating sed script.

The hand-done changes involve removing functions from dix/region.c
that duplicate inline functions in include/regionstr.h, along with
their declarations in regionstr.h, mi.h and mispans.h.

Reviewed-by: Jamey Sharp <jamey@minilop.net>
Signed-off-by: Keith Packard <keithp@keithp.com>
2010-06-05 18:59:00 -07:00