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2e12de96ca
Expose the panel orientation with wlr_drm_connector_get_panel_orientation. Leave it to the compositor to consume this information and configure the output accordingly. Closes: https://github.com/swaywm/wlroots/issues/1581
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_BACKEND_DRM_H
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#define WLR_BACKEND_DRM_H
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#include <wayland-server-core.h>
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#include <wlr/backend.h>
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#include <wlr/backend/session.h>
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#include <wlr/types/wlr_output.h>
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/**
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* Creates a DRM backend using the specified GPU file descriptor (typically from
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* a device node in /dev/dri).
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*
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* To slave this to another DRM backend, pass it as the parent (which _must_ be
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* a DRM backend, other kinds of backends raise SIGABRT).
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*/
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struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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struct wlr_session *session, struct wlr_device *dev,
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struct wlr_backend *parent);
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bool wlr_backend_is_drm(struct wlr_backend *backend);
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bool wlr_output_is_drm(struct wlr_output *output);
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/**
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* Get the KMS connector object ID.
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*/
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uint32_t wlr_drm_connector_get_id(struct wlr_output *output);
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/**
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* Tries to open non-master DRM FD. The compositor must not call `drmSetMaster`
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* on the returned FD.
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* Returns a valid opened DRM FD, or -1 on error.
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*/
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int wlr_drm_backend_get_non_master_fd(struct wlr_backend *backend);
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/**
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* Leases a given output to the caller. The output must be from the associated
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* DRM backend.
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* Returns a valid opened DRM FD or -1 on error.
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*/
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int wlr_drm_create_lease(struct wlr_output **outputs, size_t n_outputs,
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uint32_t *lessee_id);
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/**
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* Terminates a given lease. The output will be owned again by the backend
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*/
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bool wlr_drm_backend_terminate_lease(struct wlr_backend *backend,
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uint32_t lessee_id);
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/**
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* Add mode to the list of available modes
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*/
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typedef struct _drmModeModeInfo drmModeModeInfo;
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struct wlr_output_mode *wlr_drm_connector_add_mode(struct wlr_output *output,
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const drmModeModeInfo *mode);
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/**
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* Get the connector's panel orientation.
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*
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* On some devices the panel is mounted in the casing in such a way that the
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* top side of the panel does not match with the top side of the device. This
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* function returns the output transform which needs to be applied to compensate
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* for this.
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*/
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enum wl_output_transform wlr_drm_connector_get_panel_orientation(
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struct wlr_output *output);
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#endif
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