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This allows multiple GLX backends to coexist within a single server.
There are three categories of requests. QueryVersion is just hardwired
to return 1.4. The client info requests are dispatched to every backend,
because it is needed when computing GetString replies and the BE is
better positioned to do that intersection than the FE.
For all other requests, we establish a mapping between the XID/tag and
the backend as they are created. For XIDs we set up a mirror resource
(with the same XID) that points to the backend, which makes lifetime
management easy.
Tags are trickier. XXX and in fact don't work yet. The plan is to create
a fake (client-namespace) XID for the tag, but the tag ID itself is only
mentioned in the MakeCurrent reply, so the backends will need to call
up; and with that in mind, we may as well just allocate the tags in the
FE. This effectively maps tags into the XID space.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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This is obviously linear, but at least there's a bailout. And we expect
the hash tables this will be called on will be small.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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currentClient is always set if either drawable is set, and the 'next'
pointer is just being paranoid; the loseCurrent hook is not allowed to
delete the context from under us.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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We can't tell the difference (in __glXForceCurrent) between the window
being lost previously, and simply having no drawables. So don't bother.
The unbind in DrawableGone will clear the drawable binding, and we'll
assuredly fail later if we really do need the drawable.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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Signed-off-by: Adam Jackson <ajax@redhat.com>
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Signed-off-by: Adam Jackson <ajax@redhat.com>
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These calls are appropriate for indirect contexts; when we're building
without indirect support we don't want to reference libGL at all.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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The current context at this point could be anything; we've done nothing
to bind the context whose drawable is about to go away. There's not
really much point in doing the flush anyway since any rendering is going
to be thrown away, so just do nothing.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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The code was requiring that all RenderLarge packets composing a single
request be consecutive. The client-side library does not enforce this;
if multiple contexts are current in different threads, they could easily
interleave requests.
Move the large request state into the context, and move the check into
__glXForceCurrent, which necessarily gets called every place that it
could matter.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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This is handled correctly in the DRI extensions now. Importantly it is
not done for DRI3, and does not need to be.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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The AIGLX code no longer needs to wrap VT switching.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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Signed-off-by: Adam Jackson <ajax@redhat.com>
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A VT client is one that needs to be put to sleep when we don't own the
VT, and woken up when we regain it.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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Stash a pointer to our extension entry and look up the bases from there
every time, instead of keeping a static variable.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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Signed-off-by: Adam Jackson <ajax@redhat.com>
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The scratch GC defaults to the same state as our persistent GCs. Except
for the "draw" GC, which would generate graphics exposures for... well,
no reason really, PutImage doesn't generate graphics exposures.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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Sloppy of me!
Signed-off-by: Adam Jackson <ajax@redhat.com>
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This isn't an error if the screen isn't accelerated in the first place.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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Signed-off-by: Adam Jackson <ajax@redhat.com>
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Static data bad, hulk smash.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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gcc/glibc think the snprintf in dmxExecOS() might truncate. Yes, it
might, and we also don't care. Just delete all this.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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Modern glibc is very insistent that you care about whether write()
succeeds:
../hw/dmx/input/usb-keyboard.c: In function ‘kbdUSBCtrl’:
../hw/dmx/input/usb-keyboard.c:292:9: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result]
write(priv->fd, &event, sizeof(event));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Adam Jackson <ajax@redhat.com>
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Apparently this has been broken for about ten years, eesh. We were never
allocating any storage for this array, so the first attempt at using GLX
with Xdmx would crash the server.
Promote it to an array and use __glXNumActiveScreens to detect whether
GLX is actually enabled.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=34851
Signed-off-by: Adam Jackson <ajax@redhat.com>
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This symbol is used by some DRI2+ drivers and there's nothing
DRI1-specific about it.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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Signed-off-by: Adam Jackson <ajax@redhat.com>
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This appears to be essentially unused. The only known client-side
library for the SELinux extension is xcb, which does not look for the
name "Flask". The "SGI-GLX" alias for GLX appears to be a bit of
superstition at this point, NVIDIA's driver does not expose it and Mesa
does not check for it.
Signed-off-by: Adam Jackson <ajax@redhat.com>
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Signed-off-by: Adam Jackson <ajax@redhat.com>
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We bind-mount the cache directory into the container. Cuts build time
from about 4 minutes to 2.
Signed-off-by: Eric Anholt <eric@anholt.net>
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This currently does a meson build using a docker image I've prepared.
The Dockerfile source is at:
https://github.com/anholt/xserver-travis
Docker proved to be necessary to cut the build time per Travis push.
If some day we end up using meson in more of the X stack, we may be
able to move more dependencies out of the docker image and into the CI
build (putting the I in CI). Until then, we'll have to do docker
image rebuilds when dependencies are added/updated.
To enable Travis CI on your github repository, see the first two steps
of the docs at:
https://docs.travis-ci.com/user/getting-started/
Once you do that, pushing branches to your github repo will trigger
builds, which will send you email if they fail. Current build status
can be veiewed your account on travis-ci.org:
https://travis-ci.org/anholt/xserver
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This matches the test we use for going into the glamor_egl subdir in
../../meson.build.
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Our top-level glx.h include already provides all of the tokens we use,
and fixes redefinition warnings in the meson build.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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This ensures that we don't use the now-closed file descriptor in the
future.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
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oc->trans_conn is set to NULL when the connection is closed. At this
point, oc->fd is no longer valid and shouldn't be used. Move
dereference of oc->fd up into YieldControlNoInput where the state of
oc->trans_conn can be checked in a single place.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
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In set_poll_client, check oc->trans_conn to make sure the connection
is still running before changing the ospoll configuration of the file
descriptor in case some other bit of the server is now using this file
descriptor.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
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AbortClient performs most of the same operations as
CloseDownFileDescriptor except that it doesn't call ospoll_remove,
leaving that unaware that the file descriptor has been closed.
If the file descriptor is re-used before the server comes back around
to clean up, and that new file descriptor is passed to SetNotifyFd,
then that function will mistakenly re-interpret the stale ClientPtr
returned by ospoll_data as a struct notify * instead and mangle data
badly.
To fix this, the patch does:
1) Change CloseDownFileDescriptor so that it can be called multiple
times on the same OsCommPtr. The calls related to the file
descriptor are moved inside the check for trans_conn and
oc->trans_conn is set to NULL after cleaning up.
2) Move the XdmcpCloseDisplay call into CloseDownFileDescriptor. I
don't think the actually matters as we just need to know at some
point that the session client has exited. Moving it avoids the
possibility of having this accidentally trigger from another client
with the same fd which closes down at around the same time.
3) Change AbortClient to call CloseDownFileDescriptor. This makes sure
that all of the fd-related clean up happens in the same way
everywhere, in particular ensures that ospoll is notified about the
closed file descriptor at the time it is closed and not some time later.
Debian-bug: https://bugs.debian.org/862824
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
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This infrastructure is no longer read, only written; the mapping
from fd to client is now handled by ospoll.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
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This function creates a temporary pixmap to hold data being moved from
the source to the destination. However, it labeled all of the
variables associated with this as src_, which makes it confusing to
read the code. Rename them tmp_ instead. Also fix the comment
describing the function to note that it copies from CPU to GPU, not
GPU to GPU.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
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The previous values happened to work in basic cases, but not in general
if the destination is a subwindow or has a border.
Fixes crash with xli, which moves a large subwindow inside a smaller
parent window for scrolling.
No regressions with xterm, x11perf -copyplane or the xscreensaver
phosphor hack.
Bug: https://bugs.debian.org/857983
Reviewed-by: Keith Packard <keithp@keithp.com>
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The client could have said anything here, and if what they said doesn't
actually name an atom NameForAtom() will return NULL, and strcmp() will
be unhappy about that.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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The 'tablet_tool_wheel' function for tablet scrolling was added back in
8a1defcc634 but left unimplemented. This commit fills in the necessary
details, using the "clicks" count as the number of discrete scroll up/down
events to send.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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The 'tablet_tool_frame' function treats the button masks as though they
are zero-indexed, but 'tablet_tool_button_state' treats them as one-
indexed. The result is that an e.g. middle click event recieved from
Wayland will be sent from the X server as a right-click instead.
Fixes: 773b04748d0 ("xwayland: handle button events after motion events")
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Xwayland doesn't override these, so we don't need defining those
in the xwl_screen struct.
Signed-off-by: Carlos Garnacho <carlosg@gnome.org>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Just like we do with XWarpPointer's.
Signed-off-by: Carlos Garnacho <carlosg@gnome.org>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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In the typical pattern in games of "hide cursor, grab with a confineTo,
warp constantly the pointer to the middle of the window" the last warping
step is actually rather optional. Some games may choose to just set up a
grab with confineTo argument, and trust that they'll get correct relative
X/Y axis values despite the hidden cursor hitting the confinement window
edge.
To cater for these cases, lock the pointer whenever there is a pointer
confinement and the cursor is hidden. This ensures the pointer position
is in sync with the compositor's when it's next shown again, and more
importantly resorts to the relative pointer for event delivery.
Signed-off-by: Carlos Garnacho <carlosg@gnome.org>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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This fixes grabs on InputOnly windows whose parent is the root window
failing with GrabNotViewable. This is due to window->borderSize/windowSize
being computed as clipped by its parent, resulting in a null region.
Setting up the right size on the root window makes the InputOnly size
correct too, so the GrabNotViewable paths aren't hit anymore.
Signed-off-by: Carlos Garnacho <carlosg@gnome.org>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Of sorts, actually make it confine to the pointer focus, as the
InputOnly window is entirely invisible to xwayland accounting,
we don't have a xwl_window for it.
Signed-off-by: Carlos Garnacho <carlosg@gnome.org>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Of sorts, as we can't honor pointer warping across the whole root window
coordinates, peek the pointer focus in these cases.
Signed-off-by: Carlos Garnacho <carlosg@gnome.org>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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If the root window borderClip region is null, the PointInWindowIsVisible()
check fails if pointer warping is attempted on the root window, making
the warping operation bail out early.
Assume coordinates always lay inside the root window for this case,
the actual position will be clamped later within screen coordinates anyway.
Signed-off-by: Carlos Garnacho <carlosg@gnome.org>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Fixes subtle breakage which could sometimes trigger after a server reset
with multiple screens using glamor:
Screen A enters glamor_close_screen last and calls various cleanup
functions, which at some point call glamor_make_current to make sure
screen A's GL context is current. This sets lastGLContext to screen A's
&glamor_priv->ctx. Finally, glamor_close_screen calls
glamor_release_screen_priv, which calls free(glamor_priv).
Later, screen B enters glamor_init, which allocates a new glamor_priv.
With bad luck, this can return the same pointer which was previously
used for screen A's glamor_priv. So when screen B's glamor_init calls
glamor_make_current, lastGLContext == &glamor_priv->ctx, so MakeCurrent
isn't called for screen B's GL context, and the following OpenGL API
calls triggered by glamor_init mess up screen A's GL context.
The observed end result of this was a crash in glamor_get_vbo_space
because glamor_priv->vbo didn't match the GL context, though there might
be other possible outcomes.
Assigning the actual GL context pointer to lastGLContext prevents this
by preventing the false negative test in glamor_make_current.
Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
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