146 lines
4.0 KiB
C
146 lines
4.0 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_TYPES_WLR_DRM_LEASE_V1_H
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#define WLR_TYPES_WLR_DRM_LEASE_V1_H
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#include <wayland-server-core.h>
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struct wlr_backend;
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struct wlr_output;
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struct wlr_drm_lease_v1_manager {
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struct wl_list devices; // wlr_drm_lease_device_v1::link;
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struct wl_display *display;
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struct wl_listener display_destroy;
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struct {
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/**
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* Upon receiving this signal, call
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* wlr_drm_lease_device_v1_grant_lease_request to grant a lease of the
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* requested DRM resources, or
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* wlr_drm_lease_device_v1_reject_lease_request to reject the request.
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*/
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struct wl_signal request;
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} events;
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};
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struct wlr_drm_lease_device_v1 {
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struct wl_list resources;
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struct wl_global *global;
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struct wlr_drm_lease_v1_manager *manager;
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struct wlr_backend *backend;
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struct wl_list connectors; // wlr_drm_lease_connector_v1::link
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struct wl_list leases; // wlr_drm_lease_v1::link
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struct wl_list requests; // wlr_drm_lease_request_v1::link
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struct wl_list link; // wlr_drm_lease_v1_manager::devices
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struct wl_listener backend_destroy;
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void *data;
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};
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struct wlr_drm_lease_v1;
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struct wlr_drm_lease_connector_v1 {
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struct wl_list resources; // wl_resource_get_link
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struct wlr_output *output;
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struct wlr_drm_lease_device_v1 *device;
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/** NULL if no client is currently leasing this connector */
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struct wlr_drm_lease_v1 *active_lease;
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struct wl_listener destroy;
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struct wl_list link; // wlr_drm_lease_device_v1::connectors
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};
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struct wlr_drm_lease_request_v1 {
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struct wl_resource *resource;
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struct wlr_drm_lease_device_v1 *device;
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struct wlr_drm_lease_connector_v1 **connectors;
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size_t n_connectors;
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/** NULL until the lease is submitted */
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struct wlr_drm_lease_v1 *lease;
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bool invalid;
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struct wl_list link; // wlr_drm_lease_device_v1::requests
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};
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struct wlr_drm_lease_v1 {
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struct wl_resource *resource;
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struct wlr_drm_lease *drm_lease;
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struct wlr_drm_lease_device_v1 *device;
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struct wlr_drm_lease_connector_v1 **connectors;
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size_t n_connectors;
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struct wl_list link; // wlr_drm_lease_device_v1::leases
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struct wl_listener destroy;
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void *data;
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};
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/**
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* Creates a DRM lease manager. A DRM lease device will be created for each
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* DRM backend supplied in case of a wlr_multi_backend.
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* Returns NULL if no DRM backend is supplied.
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*/
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struct wlr_drm_lease_v1_manager *wlr_drm_lease_v1_manager_create(
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struct wl_display *display, struct wlr_backend *backend);
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/**
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* Offers a wlr_output for lease.
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* Returns false if the output can't be offered to lease.
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*/
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bool wlr_drm_lease_v1_manager_offer_output(
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struct wlr_drm_lease_v1_manager *manager, struct wlr_output *output);
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/**
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* Withdraws a previously offered output for lease. If the output is leased to
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* a client, a finished event will be send and the lease will be terminated.
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*/
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void wlr_drm_lease_v1_manager_withdraw_output(
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struct wlr_drm_lease_v1_manager *manager, struct wlr_output *output);
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/**
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* Grants a client's lease request. The lease device will then provision the
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* DRM lease and transfer the file descriptor to the client. After calling this,
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* each wlr_output leased is destroyed, and will be re-issued through
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* wlr_backend.events.new_outputs when the lease is revoked.
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*
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* This will return NULL without leasing any resources if the lease is invalid;
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* this can happen for example if two clients request the same resources and an
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* attempt to grant both leases is made.
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*/
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struct wlr_drm_lease_v1 *wlr_drm_lease_request_v1_grant(
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struct wlr_drm_lease_request_v1 *request);
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/**
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* Rejects a client's lease request. The output will still be available to
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* lease until withdrawn by the compositor.
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*/
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void wlr_drm_lease_request_v1_reject(struct wlr_drm_lease_request_v1 *request);
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/**
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* Revokes a client's lease request. The output will still be available to
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* lease until withdrawn by the compositor.
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*/
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void wlr_drm_lease_v1_revoke(struct wlr_drm_lease_v1 *lease);
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#endif
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