Commit Graph

436 Commits

Author SHA1 Message Date
Daniel Stone
b8c3926445 tests/config-parser: Remove useless duplicate test
test012 and test013 were exact duplicates of each other: asserting that
they could successfully look up a single boolean value.

Signed-off-by: Daniel Stone <daniels@collabora.com>
2019-11-28 19:24:13 +00:00
Daniel Stone
51d995ad82 config-parser: Make get_bool be bool
Wayland innovated a lot of cool things, but non-binary boolean values is
the great advances of our time.

Make config_parser_get_bool() work on boolean values, and switch all its
users.

Signed-off-by: Daniel Stone <daniels@collabora.com>
2019-11-28 19:24:13 +00:00
Leandro Ribeiro
442ffcb755 tests: stop using frame_signal 'void *data' argument to get weston_output
Instead of getting weston_output from the frame_signal argument 'void *data',
add weston_output in the private data struct of the users that are listening
to frame_signal. With this change we are able to pass previous_damage as the
data argument.

Signed-off-by: Leandro Ribeiro <leandrohr@riseup.net>
2019-11-27 13:47:09 -03:00
Pekka Paalanen
b544ac3ab4 tests: drop FAIL_TEST
Nothing is using FAIL_TEST or FAIL_TEST_P and that is good. Remove them to not
encourage using them.

If we need a test that should fail, it always needs to fail in a very specific
way which needs to be checked. For this we have e.g. expect_protocol_error().
We never want a fail-test to pass because it failed in a way we did not expect.
Therefore these macros are useless.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-22 16:09:41 +02:00
Pekka Paalanen
e4f6f8c6de tests/ivi: rename test_section
Use a different section name to make sure that if this plugin is loaded into
the same process as where weston-test-runner.h is used, the two different
sections cannot get mixed up. This is just a precaution, but it removes a bit
of reader confusion as well.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-22 16:09:20 +02:00
Pekka Paalanen
48d2c15ad6 tests: rename struct weston_test to weston_test_entry
This avoids confusing it with the opaque struct weston_test from
protocol/weston-test.xml.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-22 12:54:51 +02:00
Pekka Paalanen
54c03dfe51 tests/xwayland: do not call exit(SUCCESS)
Successful tests should just return, not call exit() which breaks the new test
harness when it uses TAP.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-22 12:54:32 +02:00
Pekka Paalanen
12a138d51e tests: replace fprintf() with testlog()
When we move on to TAP, stdout will be reserved for TAP and stderr is for free
chatter. Set up an example that tests should use testlog() instead of fprintf
or printf to chat in the right place.

Most statements were already printing to stderr, so this just makes then a
little shorter. There are also some statements that printed to stdout and are
now corrected.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-22 12:54:10 +02:00
Pekka Paalanen
dc9d3342a8 tests/subsurface-shot: hardcode reference image names
Using the test name for the reference images will stop working when the new
test harness starts using fixtures. Fixtures allow running the same tests in
varying environments, so the test results file names will include fixture
index. However the reference images will remain the same for all fixtures.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-22 12:53:29 +02:00
Pekka Paalanen
2c73b673a7 tests: write image to current directory by default
This reverts 50b7b70835.

We didn't make Meson create a logs directory, so writing the images fails
because the directory does not exist. If you run a test without Meson, there is
even less expectation that it would write somewhere else than CWD by default.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-22 12:53:01 +02:00
Pekka Paalanen
6ffbba3ac1 Use weston_compositor_add_destroy_listener_once() in plugins
This introduces a new convention of checking through the compositor destroy
listener if the plugin is already initialized. If the plugin is already
initialized, then the plugin entry function succeeds as a no-op. This makes it
safe to load the same plugin multiple times in a running compositor.

Currently module loading functions return failure if a plugin is already
loaded, but that will change in the future. Therefore we need this other method
of ensuring we do not double-initialize a plugin which would lead to list
corruptions the very least.

All plugins are converted to use the new helper, except:
- those that do not have a destroy listener already, and
- hmi-controller which does the same open-coded as the common code pattern
  did not fit there.

Plugins should always have a compositor destroy listener registered since they
very least allocate a struct to hold their data. Hence omissions are
highlighted in code.

Backends do not need this because weston_compositor_load_backend() already
protects against double-init. GL-renderer does not export a standard module
init function so cannot be initialized the usual way and therefore is not
vulnerable to double-init.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-21 16:32:55 +00:00
Pekka Paalanen
e5e8188aa5 tests: fix test-shell init error path
This was forgetting to remove the compositor destroy listener if init failed,
which would lead to use-after-free on compositor tear-down. Found by
inspection.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-21 16:32:55 +00:00
Pekka Paalanen
f38d4458f7 tests: remove static data from presentation
While get_presentation() will only ever be called once (making the caching of
the return value moot), it is good to stop using the static variable as it
would cause surprising problems if anyone adds more tests here and runs it
under the new test harness.

It was leaked before and continues to be so.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-21 16:24:01 +00:00
Pekka Paalanen
f8086fb839 tests: remove static data from ivi-layout-test-client
Using static data will mess things up when the test harness no longer fork()'s
each sub-test. Hence it needs to be converted to "normal" data.

Unfortunately here the cached value was actually used, so keeping that
behaviour is a handful. Yes, it was all leaked also before.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-21 16:24:01 +00:00
Pekka Paalanen
9551dd7827 tests: remove static data from ivi-shell-app-test
Just one test call this only once, so the cached value will never be useful.

Stop using static data, it sets a bad example. If more tests were added, things
would start failing when forking is removed from the test harness.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-21 16:24:01 +00:00
Pekka Paalanen
d19c55c75e tests: remove static data from ivi-layout-test-plugin
I cannot see any reason why this should be static data. But if it is static
data, it will prevent re-entering wet_main() to run tests with this plugin, so
replace it with "normal" data.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-21 16:24:01 +00:00
Pekka Paalanen
4058828b54 tests: remove static data from viewporter
This caching is actually never hit. I tested by making the early return abort()
instead and all works just fine.

Remove the caching. The static variable will cause problems when we stop
fork()'ing for each test case.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-11-21 16:24:01 +00:00
Pekka Paalanen
9722ac62f0 tests: surface-screenshot needs libshared
surface-screenshot-test.c uses file_create_dated() provided by libshared, so it
needs to link libshared.

This was not a problem when unresolved symbols during build were allowed and
the symbols was provided by the weston executable which accidentally exported
all libshared symbols. This would become a problem when we disallow unresolved
symbols project-wide, so fix it.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-10-24 13:40:51 +03:00
Pekka Paalanen
8e7f9501e4 Link Weston plugins to libexec-weston.so
All these plugins use symbols that were exported by the weston executable and
are now exported by libexec-weston.so. Linking these to libexec-weston.so fixes
unresolved symbols.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-10-24 13:40:51 +03:00
Pekka Paalanen
71ff95a544 build: separate deps for int and ext libweston users
We have two kinds of libweston users: internal and external. Weston, the
frontend, counts as an external user, and should not have access to libweston
private headers. The shell plugins are external users as well, because we
intend people to be able to write them. Renderers, backends, and some plugins
are internal users who will need access to private headers.

Create two different Meson dependency objects, one for each kind.

This makes it less likely to accidentally use a private header.

Screen-share is a Weston plugin and therefore counts as an external user, but
it needs the backend API to deliver input. Until we are comfortable exposing
public API for that purpose, let it use internal headers.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-10-24 13:29:33 +03:00
Emmanuel Gil Peyrot
deae98ef45 shared: Use memfd_create() when available
This (so-far) Linux-only API lets users create file descriptors purely
in memory, without any backing file on the filesystem and the race
condition which could ensue when unlink()ing it.

It also allows seals to be placed on the file, ensuring to every other
process that we won’t be allowed to shrink the contents, potentially
causing a SIGBUS when they try reading it.

This patch is best viewed with the -w option of git log -p.

It is an almost exact copy of Wayland commit
6908c8c85a2e33e5654f64a55cd4f847bf385cae, see
https://gitlab.freedesktop.org/wayland/wayland/merge_requests/4

Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
2019-10-24 07:32:17 +00:00
Adam Jackson
3cfd297f2c tests: Fix undefined left shift in internal-screenshot-test
../tests/internal-screenshot-test.c:60:18: runtime error: left shift of 255 by 24 places cannot be represented in type 'int'
2019-10-16 16:07:47 -04:00
Pekka Paalanen
4f5e360180 build: simplify include_directories
Define common_inc which includes both public_inc and the project root directory.
The project root directory will allow access to config.h and all the shared/
headers.

Replacing all custom '.', '..', '../..', '../shared' etc. include paths with
common_inc reduces clutter in the target definitions and enforces the common
 #include directive style, as e.g. including shared/ headers without the
subdirectory name no longer works.

Unfortunately this does not prevent one from using private libweston headers
with the usual include pattern for public headers.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-10-04 17:14:22 +03:00
Pekka Paalanen
c232f8d934 Unify the include style of shared/ headers
When all shared/ headers are included in the same way, we can drop unnecessary
include seach paths from the compiler.

This include style was chosen because it is prevalent in the code base. Doing
anything different would have been a bigger patch.

This also means that we need to keep the project root directory in the include
search path, which means that one could accidentally include private headers
with

	#include "libweston/dbus.h"

or even

	#include <libweston/dbus.h>

IMO such problem is smaller than the churn caused by any of the alternatives,
and we should be able to catch those in review. We might even be able to catch
those with grep in CI if necessary.

The "bad" include style was found with:
$ for h in shared/*.h; do git grep -F $(basename $h); done | grep -vF '"shared/'

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-10-04 16:04:48 +03:00
Pekka Paalanen
b6c7a3020c build: use dependency for matrix.c
matrix.c needs to be built differently for a test program vs. everything else,
so it cannot be in a helper lib. Instead, make a dependency object for it for
easy use which always gets all the paths correct automatically.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-10-04 15:55:55 +03:00
Ankit Nautiyal
93dde245ee libweston: Add functions to modify disable_planes counter for an output
The member disable_planes of weston_output signifies the recording
status of the output, and is incremented and decremented from various
places. This patch provides helper functions to increment and decrement
the counter. These functions can then be used to do processing, before
and after the recording has started or stopped.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
2019-08-26 16:18:22 +05:30
Alexandros Frantzis
3802241c46 libweston: Advertise minor version 2 of zwp_linux_explicit_synchronization_v1
Although we already supported minor version 2 of the explicit sync
protocol, we couldn't advertise it previously, since it was not in any
released version of wayland-protocols. With the release of
wayland-protocols 1.18, which includes minor version 2 of this protocol,
and the recent update in weston to require 1.18, we can now safely
advertise minor version 2.

Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
2019-08-02 15:00:08 +00:00
Marius Vlad
5d649b611a libweston: Migrate functions that operate on 'weston_seat'
All 'notify_()*' belong in the private backend header file.

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
2019-07-18 06:43:38 +00:00
Marius Vlad
7e4f58faa3 libweston: Migrate functions that operate on 'weston_view'
Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
2019-07-18 06:43:38 +00:00
Marius Vlad
0bf3f5ac2c libweston: Migrate functions that operate on 'weston_seat'
Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
2019-07-18 06:43:38 +00:00
Marius Vlad
56f3a68a01 libweston: Migrate functions that operate on 'weston_compositor'
Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
2019-07-18 06:43:38 +00:00
Pekka Paalanen
644eb64a5d tests: build setbacklight
Was missed in the Meson migration.

This is built only if DRM-backend is built, because it exercises a sub-feature
of the DRM-backend.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-05-16 13:32:34 +01:00
Antonio Borneo
3957863667 log: remove "%m" from format strings by using strerror(errno)
The printf() format specifier "%m" is a glibc extension to print
the string returned by strerror(errno). While supported by other
libraries (e.g. uClibc and musl), it is not widely portable.

In Weston code the format string is often passed to a logging
function that calls other syscalls before the conversion of "%m"
takes place. If one of such syscall modifies the value in errno,
the conversion of "%m" will incorrectly report the error string
corresponding to the new value of errno.

Remove all the occurrences of the specifier "%m" in Weston code
by using directly the string returned by strerror(errno).
While there, fix some minor indentation issue.

Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
2019-05-02 22:10:30 +02:00
Pekka Paalanen
4e952328ca build: turn vertex-clipping.c into a dependency
Making this into a dependency object not only carries the .c files with it, but
it also brings the include directories as well, which means the users can
simply use the object without guessing the paths.

This should help with moving GL-renderer into a new subdirectory.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-04-18 12:50:55 +03:00
Pekka Paalanen
8ebd9817e7 Move libweston-desktop.h
This too is a public installed header.

The public headers are moved under a new top-level directory include/ to make
them clearly stand out as special (public API).

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-04-18 12:31:46 +03:00
Pekka Paalanen
ecbdcfd373 Rename zalloc.h to libweston/zalloc.h
It is a public installed header used by libweston.h.

See "Rename compositor.h to libweston/libweston.h" for rationale.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-04-18 12:31:46 +03:00
Pekka Paalanen
91b1010de9 Rename config-parser.h to libweston/config-parser.h
It is a public installed header used by libweston.h.

See "Rename compositor.h to libweston/libweston.h" for rationale.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-04-18 12:31:46 +03:00
Pekka Paalanen
96dc449259 Rename matrix.h to libweston/matrix.h
matrix.h is a public installed header and even used by libweston.h.

See "Rename compositor.h to libweston/libweston.h" for rationale.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-04-18 12:31:46 +03:00
Pekka Paalanen
27b377f51f Rename plugin-registry.h to libweston/plugin-registry.h
See "Rename compositor.h to libweston/libweston.h" for rationale.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-04-18 12:31:46 +03:00
Pekka Paalanen
3d5d9476e3 Rename compositor.h to libweston/libweston.h
The main idea is to make libweston users use the form

 #include <libweston/libweston.h>

instead of the plain

 #include <compositor.h>

which is prone to name conflicts. This is reflected both in the installed
files, and the internal header search paths so that Weston would use the exact
same form as an external project using libweston would.

The public headers are moved under a new top-level directory include/ to make
them clearly stand out as special (public API).

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-04-18 12:31:46 +03:00
Pekka Paalanen
be61a1ff50 tests: fix references to automake
There is no automake anymore, I suppose it is ninja that handles it now.

There are still a couple references to automake left to point out where the
conventions originated, e.g. the exit code 77.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-03-28 13:56:45 +02:00
Pekka Paalanen
5dc2ddf9c6 Clean up .gitignore after autotools removal
There is no such thing as building in-tree anymore, so no need to ignore build
artifacts.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-03-28 13:56:45 +02:00
Pekka Paalanen
fc76388fa1 Remove autotools build
Weston 6.0.0 was released with both autotools and Meson build systems. That
should be enough for downstream to migrate to Meson build on their on pace.

Maintaining two build systems is a hassle, keep the one that is easier to work
with and let the other one go.

doc/dozygen/tool*.doxygen.in are not deleted, because they have not been
integrated with Meson yet.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-03-28 13:56:44 +02:00
Riku Viitanen
57875cd018 Optimize PNGs with zopflipng 2019-03-28 10:09:52 +00:00
Pekka Paalanen
c58648b0df meson: IVI plugin tests do not use config
If Weston is not installed, running ivi-layout test would fail on lots of image
files not found which presumably causes the creation of some ivi surfaces to
fail, leading to an assert failure.

Looking at the test setup in weston-tests-env, these IVI plugin tests are
supposed to run with --no-config instead.

Fixes: https://gitlab.freedesktop.org/wayland/weston/issues/195

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-02-15 19:21:26 +00:00
Pekka Paalanen
fcd9f67467 meson: set WESTON_DATA_DIR for tests
It seems WESTON_DATA_DIR was missed. If you have already installed Weston, then
the files will be found in the install location, but if not, they were not
found at all.

This caused the xwayland test to SEGV the compositor in
weston_wm_window_create_frame() when frame_crate() returned NULL.

This patch fixes the test suite only.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2019-02-15 19:21:26 +00:00
Alexandros Frantzis
c715c750f6 tests: Add tests for per commit zwp_buffer_release_v1 behavior
Add tests to check that the zwp_buffer_release_v1 events are emitted per
surface commit.

To be able to test this we need to use a renderer that holds the buffer
until the next buffer is committed, hence we use the pixman renderer.

Changes in v7:
  - Remove references to obsolete noop-hold renderer.

Changes in v5:
  - Meson support.

Changes in v4:
  - Use the pixman renderer instead of the (now gone) noop-hold
    renderer.

Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
2019-02-06 12:21:56 +00:00
Alexandros Frantzis
676296749a libweston: Support zwp_surface_synchronization_v1.get_release
Implement the get_release request of the zwp_surface_synchronization_v1
interface.

This commit implements the zwp_buffer_release_v1 interface. It supports
the zwp_buffer_release_v1.fenced_release event for surfaces rendered by
the GL renderer, and the zwp_buffer_release_v1.immediate_release event
for other cases.

Note that the immediate_release event is safe to be used for surface
buffers used as planes in the DRM backend, since the backend releases
them only after the next page flip that doesn't use the buffers has
finished.

Changes in v7:
  - Remove "partial" from commit title and description.
  - Fix inverted check when clearing used_in_output_repaint flag.

Changes in v5:
  - Use the new, generic explicit sync server error reporting function.
  - Introduce and use weston_buffer_release_move.
  - Introduce internally and use weston_buffer_release_destroy.

Changes in v4:
  - Support the zwp_buffer_release_v1.fenced_release event.
  - Support release fences in the GL renderer.
  - Assert that pending state buffer_release is always NULL after a
    commit.
  - Simplify weston_buffer_release_reference.
  - Move removal of destroy listener before resource destruction to
    avoid concerns about use-after-free in
    weston_buffer_release_reference
  - Rename weston_buffer_release_reference.busy_count to ref_count.
  - Add documentation for weston_buffer_release and ..._reference.

Changes in v3:
  - Raise NO_BUFFER for get_release if no buffer has been committed,
    don't raise UNSUPPORTED_BUFFER for non-dmabuf buffers,
    so get_release works for all valid buffers.
  - Destroy the buffer_release object after sending an event.
  - Track lifetime of buffer_release objects per commit, independently
    of any buffers.
  - Use updated protocol interface names.
  - Use correct format specifier for resource ids.

Changes in v2:
  - Raise UNSUPPORTED_BUFFER at commit if client has requested a
    buffer_release, but the committed buffer is not a valid linux_dmabuf.
  - Remove tests that are not viable anymore due to our inability to
    create dmabuf buffers and fences in a unit-test environment.

Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
2019-02-06 12:21:56 +00:00
Alexandros Frantzis
acff29b3b3 libweston: Support zwp_surface_synchronization_v1.set_acquire_fence
Implement the set_acquire_fence request of the
zwp_surface_synchronization_v1 interface.

The implementation uses the acquire fence in two ways:

1. If the associated buffer is used as GL render source, an
   EGLSyncKHR is created from the fence and used to synchronize
   access.
2. If the associated buffer is used as a plane framebuffer,
   the acquire fence is treated as an in-fence for the atomic
   commit operation. If in-fences are not supported and the buffer
   has an acquire fence, we don't consider it for plane placement.

If the used compositor/renderer doesn't support explicit
synchronization, we don't advertise the protocol at all. Currently only
the DRM and X11 backends when using the GL renderer advertise the
protocol for production use.

Issues for discussion
---------------------

a. Currently, a server-side wait of EGLSyncKHR is performed before
   using the EGLImage/texture during rendering. Unfortunately, it's not clear
   from the specs whether this is generally safe to do, or we need to
   sync before glEGLImageTargetTexture2DOES. The exception is
   TEXTURE_EXTERNAL_OES where the spec mentions it's enough to sync
   and then glBindTexture for any changes to take effect.

Changes in v5:
  - Meson support.
  - Make explicit sync server error reporting more generic, supporting
    all explicit sync related interfaces not just
    wp_linux_surface_synchronization.
  - Fix typo in warning for missing EGL_KHR_wait_sync extension.
  - Support minor version 2 of the explicit sync protocol (i.e., support
    fences for opaque EGL buffers).

Changes in v4:
  - Introduce and use fd_clear and and fd_move helpers.
  - Don't check for a valid buffer when updating surface acquire fence fd
    from state.
  - Assert that pending state acquire fence fd is always clear
    after a commit.
  - Clarify that WESTON_CAP_EXPLICIT_SYNC applies to just the
    renderer.
  - Check for EGL_KHR_wait_sync before using eglWaitSyncKHR.
  - Dup the acquire fence before passing to EGL.

Changes in v3:
  - Keep acquire_fence_fd in surface instead of buffer.
  - Clarify that WESTON_CAP_EXPLICIT_SYNC applies to both backend and
    renderer.
  - Move comment about non-ownership of in_fence_fd to struct
    drm_plane_state definition.
  - Assert that we don't try to use planes with in-fences when using the
    legacy KMS API.
  - Remove unnecessary info from wayland error messages.
  - Handle acquire fence for subsurface commits.
  - Guard against self-update in fd_update.
  - Disconnect the client if acquire fence EGLSyncKHR creation or wait
    fails.
  - Use updated protocol interface names.
  - User correct format specifier for resource ids.
  - Advertise protocol for X11 backend with GL renderer.

Changes in v2:
  - Remove sync file wait fallbacks.
  - Raise UNSUPPORTED_BUFFER error at commit if we have an acquire
    fence, but the committed buffer is not a valid linux_dmabuf.
  - Don't put buffers with in-fences on planes that don't support
    in-fences.
  - Don't advertise explicit sync protocol if backend does not
    support explicit sync.

Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
2019-02-06 12:21:56 +00:00
Alexandros Frantzis
27d7c395c7 libweston: Introduce zwp_linux_explicit_synchronization_v1
Introduce support for the zwp_linux_explicit_synchronization_unstable_v1
protocol with an implementation of the zwp_linux_explicit_synchronization_v1
interface.

Explicit synchronization provides a more versatile notification
mechanism for buffer readiness and availability, and can be used to
improve efficiency by integrating with related functionality in display
and graphics APIs.

In addition, the per-commit nature of the release events provided by
this protocol potentially offers a solution to a deficiency of the
wl_buffer.release event (see
https://gitlab.freedesktop.org/wayland/wayland/issues/46).

Support for this protocol depends on the capabilities of the backend, so
we don't register it by default but provide a function which each
backend will need to call. In this commit only the headless backend when
using the noop renderer supports this to enable testing.

Note that the zwp_surface_synchronization_v1 interface, which contains
the core functionality of the protocol, is not implemented in this
commit. Support for it will be added in future commits.

Changes in v7:
  - Added some information in the commit message about the benefits of
    the explicit sync protocol.

Changes in v6:
  - Fall back to advertising minor version 1 of the explicit sync protocol,
    although we support minor version 2 features, until the new
    wayland-protocols version is released.

Changes in v5:
  - Meson support.
  - Advertise minor version 2 of the explicit sync protocol.

Changes in v4:
  - Enable explicit sync support in the headless backend for all
    renderers.

Changes in v3:
  - Use wl_resource_get_version() instead of hardcoding version 1.
  - Use updated protocol interface names.
  - Use correct format specifier for resource id.
  - Change test name to 'linux-explicit-synchronization.weston'
    (s/_/-/g).

Changes in v2:
  - Move implementation to separate file so protocol can be registered
    on demand by backends.
  - Register protocol in headless+noop backend for testing purposes.

Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
2019-02-06 12:21:56 +00:00