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It allocates in local main memory via shm_open, and provides a FD
to allow sharing with other processes.
This is suitable for software rendering under the Wayland and X11
backends.
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References: https://github.com/swaywm/wlroots/issues/2399#issuecomment-769408708
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The function has been place in an internal header for API stability
reasons.
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[1] has made wlroots unconditionally depend on libseat. Mention this
in the README.
[1]: https://github.com/swaywm/wlroots/pull/2839
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Create a private UNIX socket directory (755), or use an existing one but
ensure proper permissions are set to prevent meddling from other users.
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The compositor shouldn't write to client buffers if the client
attaches a DMA-BUF to a wl_surface, then attaches a shm buffer.
Make gles2_texture_write_pixels return an error to prevent this
from happening.
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libseat provides all session functionality, so there is no longer need
for a session backend abstraction. The libseat device ID, seat handle
and event loop handle are moved to the main wlr_session and wlr_device
structs.
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This is instead delegated to libseat.
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This is instead delegated to libseat.
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Since len <= strlen(elt) is known, we don't need a str*() function. Let's
simply do memcpy() to suppress linter false positive.
Fixes #2777.
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This reverts commit 7dffe9339bf8a92a556098d86712c4c38ac95226, which introduced
another linter error with -O3:
error: ‘strncat’ specified bound 7 equals source length [-Werror=stringop-overflow=]
This makes sense because strncat(dest, "cursors", strlen("cursors")) is moot
in security point of view.
The next commit will replace strncpy() with memcpy(), so let's restore the
original implementation.
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The get_drm_fd was made available in an internal header with a53ab146f. Move it
now to the public header so consumers opting in to the unstable interfaces can
make use of it.
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Use 128-bit hexadecimal string tokens generated with /dev/urandom
instead of UUIDs for xdg-foreign handles, removing the libuuid
dependency. Update readme and CI. Closes #2830.
build: remove xdg-foreign feature
With no external dependencies required, there's no reason not to always
build it. Remove WLR_HAS_XDG_FOREIGN as well.
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See the Weston discussion [1] for motivation.
[1]: https://gitlab.freedesktop.org/wayland/weston/-/merge_requests/157
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This is instead delegated to libseat.
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PRIME support for buffer sharing has become mandatory since the renderer
rewrite. Make sure we check for the appropriate capabilities in backend,
allocator and renderer.
See also #2819.
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When libseat is built as a subproject, we're not interested in
building the server or the man pages.
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wlroots' dependency on this library doesn't change the features
exposed to compositors. It's purely a wlroots implementation detail.
Thus downstream compositors shouldn't really care about it.
Introduce an "internal_features" dictionary to store the status of
such internal dependencies.
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The standard primary-selection protocol is now widely supported.
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For anything more complicated than quads, compositors can easily
ship their own shaders.
Closes: https://github.com/swaywm/wlroots/issues/2759
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This is unused in wlroots, and the use-cases for compositors are
pretty niche since they can access the original DMA-BUF via the
wlr_buffer.
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It can be replaced with wlr_renderer_bind_buffer. blit_dmabuf is
broken as-is (dies on an assertion).
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We now bump the version number right after releases, so that a Git
snapshot is not mistaken for a previous version.
References: https://github.com/swaywm/wlroots/issues/2792
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References: https://github.com/swaywm/wlroots/issues/2778
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See the
https://www.khronos.org/registry/EGL/extensions/KHR/EGL_KHR_platform_gbm.txt
example code. On EGL_PLATFORM_GBM_KHR platform, we should be check the
"EGL_KHR_platform_gbm" extension.
Change-Id: Icf11c07c2949841a80b10527fb09987257fbd63b
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We now do the test in drm_connector_test, called from
drm_connector_commit.
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This allows callers to use wlr_output_test to figure out whether a
buffer can be scanned out prior to committing the output.
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Let's not clutter the logs with error messages when a test-only
atomic commit fails.
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The kernel ignores NONBLOCK when TEST_ONLY is set. Let's just not
set it, to make it clear it's unused.
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This fixes the following warning:
WARNING: Project targeting '>=0.56.0' but tried to use feature deprecated since '0.56.0': Dependency.get_pkgconfig_variable. use Dependency.get_variable(pkgconfig : ...) instead
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We can just use to_int() instead of having two if branches.
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We cannot scan-out DMA-BUFs with any flag right now.
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We cannot scan-out DMA-BUFs with any flag right now.
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Downgrade errors to DEBUG level, because drm_fb_create is used in
test_buffer, so errors aren't always fatal. Add ERROR logs at call
sites where a failure is fatal, to make it clear something wrong
happened.
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If the import to KMS succeeds, we have a better chance to be able to
scan it out.
Importing is also necessary for test-only commits, which we want to
add in the future.
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All backends use the GBM platform. We can't use it to figure out
whether the DRM backend is used anymore.
Let's just try to always request a high-priority EGL context. Failing
to do so is not fatal.
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This is never used.
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This is not meant to be exposed in the public API, just like
wlr_region_create [1].
[1]: https://github.com/swaywm/wlroots/pull/2662
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To unify the code style of the project, absolute paths have been used in
some places, such as '#include "render/allocator.h"' in
"render/gbm_allocator.h". Except for include the wayland protocol
headers should be consistent.
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This allows libseat to be compiled as a Meson subproject when it's
not installed system-wide. This can ease development and compilation
on distributions where libseat isn't packaged.
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