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The DRM backend is a little special when it comes to wlr_outputs: the
wlr_drm_connectors are long-lived and are created even when no screen is
connected.
A wlr_drm_connector only advertises a wlr_output to the compositor when
a screen is connected. As such, most of wlr_output's state is invalid
when the connector is disconnected.
We want to stop using wlr_output state on disconnected connectors.
Introduce wlr_drm_connector.name which is always valid regardless of the
connector status to avoid reading wlr_output.name when disconnected.
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Simplify and unify connector-specific logging with a new
wlr_drm_conn_log macro. This makes it easier to understand which
connector a failure is about, without having to explicitly integrate the
connector name in each log message.
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Save the DRM device name in a wlr_drm_backend field, so that we can
easily use it for logging purposes.
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This allows the DRM code to have direct access to the wlr_drm_backend
without having to go through an upcast via get_drm_backend_from_backend.
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gbm_bo_create_with_modifiers doesn't take GBM flags, so our
wlr_gbm_allocator interface doesn't either. We were still internally
using GBM flags in the DRM backend, leading to awkward back-and-forth
conversions.
The only flag passed to drm_plane_init_surface was GBM_BO_USE_LINEAR, so
turn that into a bool to make sure other flags can't be passed in.
Move the "force linear" logic out of init_drm_surface, because the
supplied wlr_drm_format should already contain that information.
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The cursor surface still uses a wl_egl_window.
References: https://github.com/swaywm/wlroots/issues/1352
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Since we're using wlr_swapchain, we don't need to provide an EGL config.
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We don't do anything with them. Once we do, we can easily add this back.
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It's not a CRTC property. Remove it altogether since it's unused.
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"rotation" is a plane property, it's not a CRTC property. It was also
missing from plane_info.
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Register an X11 error handler, and optionally use xcb-errors to print a
detailed message.
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Instead of operating on FDs in {open,close}_device, operate on
wlr_devices. This avoids the device lookup in wlr_session and allows
callers to have access to wlr_device fields.
For now, we use it to remove wlr_session_signal_add and replace it with
a more idiomatic wlr_session.events.change field. In the future, other
events will be added.
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Since all DRM FBs are backed by a wlr_buffer, there's no need for this
anymore.
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Every host seat with pointer capability propagates events to one of
sub-pointer depending which output window we entered.
active_pointer tracks reference to sub-pointer on enter/leave events to
avoid lookup for it on every move events.
Fixes swaywm/wlroots#1499
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This uncovered many places where we were using things without directly
including them.
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Goal currently is to get support working for a single output, thus there is only one touch device created.
Multi-output support is left for later.
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Stop using drmModeObjectSetProperty, set the property in the crtc_commit
function instead.
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Closes: https://github.com/swaywm/wlroots/issues/2216
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Previously, we only had the pending state (crtc->pending, crtc->mode and
crtc->active). This causes issues when a commit fails: the pending state
is left as-is, and the next commit may read stale data from it.
This will also cause issues when implementing test-only commits: we need
to rollback the pending CRTC state after a test-only commit.
Introduce separate pending and current CRTC states. Properly update the
current state after a commit.
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retry_pageflip is now dead code, since drm_connector_start_renderer
isn't called anymore. It was previously called when enabling an output.
The name "retry_pageflip" was a little confusing because the function
retried a modeset and the timer wasn't set up while performing a simple
page-flip.
Let's just remove this altogether for now. We can discuss whether it's
worth it to bring it back. Should we only do it on failed page-flips?
Should we only do it on EBUSY?
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Since this is an internal DRM backend function, there's no reason we
need to take a generic wlr_output.
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Merge enable_drm_connector into drm_connector_set_mode. This allows us
to de-duplicate logic since enabling an output performs a modeset.
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wlr_output_set_gamma is now double-buffered and applies the gamma LUT on
the next output commit.
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We don't need a per-CRTC atomic request anymore. Let's make the request
per-commit so that it's easier to debug.
This is also groundwork for supporting wlr_output_test properly.
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GAMMA_LUT_SIZE isn't an atomic property. It can be used with the legacy
interface too. So we can unify both codepaths and remove
wlr_drm_interface.crtc_get_gamma_size.
It's no guaranteed to exist though, so we still need to keep the
fallback.
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Use crtc_commit instead.
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Also add a flags argument.
The commit function will also be used for disabling the CRTC.
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Add a new wlr_drm_crtc.pending bitfield which keeps track of pending
output changes. More fields will be added in the future (e.g. active,
gamma).
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Instead, make the legacy backend call drmModeMoveCursor on page-flip.
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When the headless backend uses an already-existing renderer, it doesn't
have ownership over the renderer. When the renderer is destroyed, the
headless backend needs to destroy itself.
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It makes sense to construct as much atomic state as possible in the same
place, so it doesn't get lost if we "reset" it.
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This is a type which manages gbm_surfaces and imported dmabufs in the
same place, and makes the lifetime management between the two shared. It
should lead to easier to understand code, and fewer special cases.
This also contains a fair bit of refactoring to start using this new
type.
Co-authored-by: Simon Ser <contact@emersion.fr>
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This allows one to create a headless backend with an existing renderer.
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