types: introduce wlr_drm_lease_v1
This commit is contained in:
Simon Zeni
Simon Ser
parent
c67e3fe3b7
commit
3984c81faa
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@ -0,0 +1,144 @@
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/*
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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_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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uint32_t lessee_id;
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struct wl_list link; // wlr_drm_lease_device_v1::leases
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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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@ -69,3 +69,9 @@ wlr_files += files(
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'wlr_xdg_foreign_registry.c',
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'wlr_xdg_output_v1.c',
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)
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if features.get('drm-backend')
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wlr_files += files(
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'wlr_drm_lease_v1.c',
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)
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endif
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@ -0,0 +1,716 @@
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#include <assert.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <wlr/backend/drm.h>
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#include <wlr/backend/multi.h>
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#include <wlr/types/wlr_drm_lease_v1.h>
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#include <wlr/util/log.h>
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#include "backend/drm/drm.h"
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#include "drm-lease-v1-protocol.h"
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#include "util/signal.h"
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#include "util/global.h"
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#define DRM_LEASE_DEVICE_V1_VERSION 1
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static struct wp_drm_lease_device_v1_interface lease_device_impl;
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static struct wp_drm_lease_connector_v1_interface lease_connector_impl;
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static struct wp_drm_lease_request_v1_interface lease_request_impl;
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static struct wp_drm_lease_v1_interface lease_impl;
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static struct wlr_drm_lease_device_v1 *drm_lease_device_v1_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource,
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&wp_drm_lease_device_v1_interface, &lease_device_impl));
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return wl_resource_get_user_data(resource);
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}
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static struct wlr_drm_lease_connector_v1 *
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drm_lease_connector_v1_from_resource(struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource,
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&wp_drm_lease_connector_v1_interface, &lease_connector_impl));
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return wl_resource_get_user_data(resource);
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}
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static struct wlr_drm_lease_request_v1 *drm_lease_request_v1_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource,
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&wp_drm_lease_request_v1_interface, &lease_request_impl));
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return wl_resource_get_user_data(resource);
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}
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static struct wlr_drm_lease_v1 *drm_lease_v1_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource,
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&wp_drm_lease_v1_interface, &lease_impl));
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return wl_resource_get_user_data(resource);
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}
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static void drm_lease_v1_destroy(struct wlr_drm_lease_v1 *lease) {
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if (!lease) {
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return;
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}
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wlr_log(WLR_DEBUG, "Destroying lease %"PRIu32, lease->lessee_id);
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wp_drm_lease_v1_send_finished(lease->resource);
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struct wlr_drm_lease_device_v1 *device = lease->device;
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wlr_drm_backend_terminate_lease(device->backend, lease->lessee_id);
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lease->lessee_id = 0;
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for (size_t i = 0; i < lease->n_connectors; ++i) {
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lease->connectors[i]->active_lease = NULL;
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}
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wl_list_remove(&lease->link);
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wl_resource_set_user_data(lease->resource, NULL);
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free(lease->connectors);
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free(lease);
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}
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static void drm_lease_request_v1_destroy(
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struct wlr_drm_lease_request_v1 *request) {
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if (!request) {
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return;
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}
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wlr_log(WLR_DEBUG, "Destroying request %p", request);
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wl_list_remove(&request->link);
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wl_resource_set_user_data(request->resource, NULL);
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free(request->connectors);
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free(request);
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}
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static void drm_lease_connector_v1_destroy(
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struct wlr_drm_lease_connector_v1 *connector) {
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if (!connector) {
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return;
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}
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wlr_log(WLR_DEBUG, "Destroying connector %s", connector->output->name);
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if (connector->active_lease) {
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drm_lease_v1_destroy(connector->active_lease);
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}
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struct wl_resource *resource, *tmp;
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wl_resource_for_each_safe(resource, tmp, &connector->resources) {
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wp_drm_lease_connector_v1_send_withdrawn(resource);
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wl_resource_set_user_data(resource, NULL);
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wl_list_remove(wl_resource_get_link(resource));
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wl_list_init(wl_resource_get_link(resource));
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}
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struct wl_resource *device_resource;
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wl_resource_for_each(device_resource, &connector->device->resources) {
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wp_drm_lease_device_v1_send_done(device_resource);
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}
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wl_list_remove(&connector->link);
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wl_list_remove(&connector->destroy.link);
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free(connector);
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}
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static void drm_lease_device_v1_destroy(
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struct wlr_drm_lease_device_v1 *device) {
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if (!device) {
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return;
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}
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struct wlr_drm_backend *backend =
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get_drm_backend_from_backend(device->backend);
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wlr_log(WLR_DEBUG, "Destroying wlr_drm_lease_device_v1 for %s",
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backend->name);
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struct wl_resource *resource, *tmp_resource;
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wl_resource_for_each_safe(resource, tmp_resource, &device->resources) {
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wl_list_remove(wl_resource_get_link(resource));
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wl_list_init(wl_resource_get_link(resource));
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wl_resource_set_user_data(resource, NULL);
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}
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struct wlr_drm_lease_request_v1 *request, *tmp_request;
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wl_list_for_each_safe(request, tmp_request, &device->requests, link) {
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drm_lease_request_v1_destroy(request);
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}
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struct wlr_drm_lease_v1 *lease, *tmp_lease;
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wl_list_for_each_safe(lease, tmp_lease, &device->leases, link) {
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drm_lease_v1_destroy(lease);
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}
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struct wlr_drm_lease_connector_v1 *connector, *tmp_connector;
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wl_list_for_each_safe(connector, tmp_connector, &device->connectors, link) {
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drm_lease_connector_v1_destroy(connector);
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}
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wl_list_remove(&device->link);
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wlr_global_destroy_safe(device->global, device->manager->display);
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free(device);
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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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assert(request->lease);
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wlr_log(WLR_DEBUG, "Attempting to grant request %p", request);
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struct wlr_drm_lease_v1 *lease = request->lease;
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assert(!request->invalid);
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/* Transform connectors list into wlr_output for leasing */
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struct wlr_output *outputs[request->n_connectors + 1];
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for(size_t i = 0; i < request->n_connectors; ++i) {
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outputs[i] = request->connectors[i]->output;
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}
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int fd = wlr_drm_create_lease(outputs, request->n_connectors,
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&lease->lessee_id);
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if (fd < 0) {
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wlr_log_errno(WLR_ERROR, "drm_create_lease failed");
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wp_drm_lease_v1_send_finished(lease->resource);
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return NULL;
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}
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lease->connectors = calloc(request->n_connectors,
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sizeof(struct wlr_drm_lease_connector_v1 *));
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if (!lease->connectors) {
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wlr_log(WLR_ERROR, "Failed to allocate lease connectors list");
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wp_drm_lease_v1_send_finished(lease->resource);
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return NULL;
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}
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lease->n_connectors = request->n_connectors;
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for (size_t i = 0; i < request->n_connectors; ++i) {
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lease->connectors[i] = request->connectors[i];
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lease->connectors[i]->active_lease = lease;
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}
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wlr_log(WLR_DEBUG, "Granting request %p", request);
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wp_drm_lease_v1_send_lease_fd(lease->resource, fd);
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close(fd);
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return lease;
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}
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void wlr_drm_lease_request_v1_reject(
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struct wlr_drm_lease_request_v1 *request) {
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assert(request && request->lease);
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wlr_log(WLR_DEBUG, "Rejecting request %p", request);
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request->invalid = true;
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wp_drm_lease_v1_send_finished(request->lease->resource);
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}
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void wlr_drm_lease_v1_revoke(struct wlr_drm_lease_v1 *lease) {
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assert(lease);
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wlr_log(WLR_DEBUG, "Revoking lease %"PRIu32, lease->lessee_id);
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drm_lease_v1_destroy(lease);
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}
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static void drm_lease_v1_handle_resource_destroy(struct wl_resource *resource) {
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struct wlr_drm_lease_v1 *lease = drm_lease_v1_from_resource(resource);
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drm_lease_v1_destroy(lease);
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}
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static void drm_lease_v1_handle_destroy(
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struct wl_client *client, struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static struct wp_drm_lease_v1_interface lease_impl = {
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.destroy = drm_lease_v1_handle_destroy,
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};
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static void drm_lease_request_v1_handle_resource_destroy(
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struct wl_resource *resource) {
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struct wlr_drm_lease_request_v1 *request =
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drm_lease_request_v1_from_resource(resource);
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drm_lease_request_v1_destroy(request);
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}
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static void drm_lease_request_v1_handle_request_connector(
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struct wl_client *client, struct wl_resource *request_resource,
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struct wl_resource *connector_resource) {
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struct wlr_drm_lease_request_v1 *request =
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drm_lease_request_v1_from_resource(request_resource);
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if (!request) {
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wlr_log(WLR_ERROR, "Request has been destroyed");
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return;
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}
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struct wlr_drm_lease_connector_v1 *connector =
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drm_lease_connector_v1_from_resource(connector_resource);
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if (!connector) {
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/* This connector offer has been withdrawn or is leased */
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wlr_log(WLR_ERROR, "Failed to request connector");
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request->invalid = true;
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return;
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}
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wlr_log(WLR_DEBUG, "Requesting connector %s", connector->output->name);
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if (request->device != connector->device) {
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wlr_log(WLR_ERROR, "The connector belongs to another device");
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wl_resource_post_error(request_resource,
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WP_DRM_LEASE_REQUEST_V1_ERROR_WRONG_DEVICE,
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"The requested connector belongs to another device");
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return;
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}
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for (size_t i = 0; i < request->n_connectors; ++i) {
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struct wlr_drm_lease_connector_v1 *tmp = request->connectors[i];
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if (connector == tmp) {
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wlr_log(WLR_ERROR, "The connector has already been requested");
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wl_resource_post_error(request_resource,
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WP_DRM_LEASE_REQUEST_V1_ERROR_DUPLICATE_CONNECTOR,
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"The connector has already been requested");
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return;
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}
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}
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size_t n_connectors = request->n_connectors + 1;
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struct wlr_drm_lease_connector_v1 **tmp_connectors =
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realloc(request->connectors,
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n_connectors * sizeof(struct wlr_drm_lease_connector_v1 *));
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if (!tmp_connectors) {
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wlr_log(WLR_ERROR, "Failed to grow connectors request array");
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return;
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}
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request->connectors = tmp_connectors;
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request->connectors[request->n_connectors] = connector;
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request->n_connectors = n_connectors;
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}
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static void drm_lease_request_v1_handle_submit(
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struct wl_client *client, struct wl_resource *resource, uint32_t id) {
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uint32_t version = wl_resource_get_version(resource);
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struct wl_resource *lease_resource = wl_resource_create(client,
|
||||
&wp_drm_lease_v1_interface, version, id);
|
||||
if (!lease_resource) {
|
||||
wlr_log(WLR_ERROR, "Failed to allocate wl_resource");
|
||||
wl_resource_post_no_memory(resource);
|
||||
return;
|
||||
}
|
||||
|
||||
wl_resource_set_implementation(lease_resource, &lease_impl, NULL,
|
||||
drm_lease_v1_handle_resource_destroy);
|
||||
|
||||
struct wlr_drm_lease_request_v1 *request =
|
||||
drm_lease_request_v1_from_resource(resource);
|
||||
if (!request) {
|
||||
wlr_log(WLR_DEBUG, "Request has been destroyed");
|
||||
return;
|
||||
}
|
||||
|
||||
/* Pre-emptively reject invalid lease requests */
|
||||
if (request->invalid) {
|
||||
wlr_log(WLR_ERROR, "Invalid request");
|
||||
return;
|
||||
} else if (request->n_connectors == 0) {
|
||||
wl_resource_post_error(lease_resource,
|
||||
WP_DRM_LEASE_REQUEST_V1_ERROR_EMPTY_LEASE,
|
||||
"Lease request has no connectors");
|
||||
return;
|
||||
}
|
||||
|
||||
for (size_t i = 0; i < request->n_connectors; ++i) {
|
||||
struct wlr_drm_lease_connector_v1 *conn = request->connectors[i];
|
||||
if (conn->active_lease) {
|
||||
wlr_log(WLR_ERROR, "Failed to create lease, connector %s has "
|
||||
"already been leased", conn->output->name);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
struct wlr_drm_lease_v1 *lease = calloc(1, sizeof(struct wlr_drm_lease_v1));
|
||||
if (!lease) {
|
||||
wlr_log(WLR_ERROR, "Failed to allocate wlr_drm_lease_v1");
|
||||
wl_resource_post_no_memory(resource);
|
||||
return;
|
||||
}
|
||||
|
||||
lease->device = request->device;
|
||||
wl_list_insert(&lease->device->leases, &lease->link);
|
||||
|
||||
lease->resource = lease_resource;
|
||||
wl_resource_set_user_data(lease_resource, lease);
|
||||
|
||||
request->lease = lease;
|
||||
|
||||
/* TODO: reject the request if the user does not grant it */
|
||||
wlr_signal_emit_safe(&request->device->manager->events.request,
|
||||
request);
|
||||
|
||||
/* Request is done */
|
||||
wl_resource_destroy(resource);
|
||||
}
|
||||
|
||||
static struct wp_drm_lease_request_v1_interface lease_request_impl = {
|
||||
.request_connector = drm_lease_request_v1_handle_request_connector,
|
||||
.submit = drm_lease_request_v1_handle_submit,
|
||||
};
|
||||
|
||||
static void drm_lease_device_v1_handle_resource_destroy(
|
||||
struct wl_resource *resource) {
|
||||
wl_list_remove(wl_resource_get_link(resource));
|
||||
}
|
||||
|
||||
static void drm_lease_device_v1_handle_release(
|
||||
struct wl_client *client, struct wl_resource *resource) {
|
||||
wp_drm_lease_device_v1_send_released(resource);
|
||||
wl_resource_destroy(resource);
|
||||
}
|
||||
|
||||
static void drm_lease_device_v1_handle_create_lease_request(
|
||||
struct wl_client *client, struct wl_resource *resource, uint32_t id) {
|
||||
uint32_t version = wl_resource_get_version(resource);
|
||||
struct wl_resource *request_resource = wl_resource_create(client,
|
||||
&wp_drm_lease_request_v1_interface, version, id);
|
||||
if (!request_resource) {
|
||||
wlr_log(WLR_ERROR, "Failed to allocate wl_resource");
|
||||
return;
|
||||
}
|
||||
|
||||
wl_resource_set_implementation(request_resource, &lease_request_impl,
|
||||
NULL, drm_lease_request_v1_handle_resource_destroy);
|
||||
|
||||
struct wlr_drm_lease_device_v1 *device =
|
||||
drm_lease_device_v1_from_resource(resource);
|
||||
if (!device) {
|
||||
wlr_log(WLR_DEBUG, "Failed to create lease request, "
|
||||
"wlr_drm_lease_device_v1 has been destroyed");
|
||||
return;
|
||||
}
|
||||
|
||||
struct wlr_drm_lease_request_v1 *req =
|
||||
calloc(1, sizeof(struct wlr_drm_lease_request_v1));
|
||||
if (!req) {
|
||||
wlr_log(WLR_ERROR, "Failed to allocate wlr_drm_lease_request_v1");
|
||||
wl_resource_post_no_memory(resource);
|
||||
return;
|
||||
}
|
||||
|
||||
wlr_log(WLR_DEBUG, "Created request %p", req);
|
||||
|
||||
req->device = device;
|
||||
req->resource = request_resource;
|
||||
req->connectors = NULL;
|
||||
req->n_connectors = 0;
|
||||
|
||||
wl_resource_set_user_data(request_resource, req);
|
||||
|
||||
wl_list_insert(&device->requests, &req->link);
|
||||
}
|
||||
|
||||
static struct wp_drm_lease_device_v1_interface lease_device_impl = {
|
||||
.release = drm_lease_device_v1_handle_release,
|
||||
.create_lease_request = drm_lease_device_v1_handle_create_lease_request,
|
||||
};
|
||||
|
||||
static void drm_connector_v1_handle_resource_destroy(
|
||||
struct wl_resource *resource) {
|
||||
wl_list_remove(wl_resource_get_link(resource));
|
||||
}
|
||||
|
||||
static void drm_connector_v1_handle_destroy(
|
||||
struct wl_client *client, struct wl_resource *resource) {
|
||||
wl_resource_destroy(resource);
|
||||
}
|
||||
|
||||
static struct wp_drm_lease_connector_v1_interface lease_connector_impl = {
|
||||
.destroy = drm_connector_v1_handle_destroy,
|
||||
};
|
||||
|
||||
static void drm_lease_connector_v1_send_to_client(
|
||||
struct wlr_drm_lease_connector_v1 *connector,
|
||||
struct wl_resource *resource) {
|
||||
if (connector->active_lease) {
|
||||
return;
|
||||
}
|
||||
|
||||
struct wl_client *client = wl_resource_get_client(resource);
|
||||
|
||||
uint32_t version = wl_resource_get_version(resource);
|
||||
struct wl_resource *connector_resource = wl_resource_create(client,
|
||||
&wp_drm_lease_connector_v1_interface, version, 0);
|
||||
if (!connector_resource) {
|
||||
wl_client_post_no_memory(client);
|
||||
return;
|
||||
}
|
||||
|
||||
wl_resource_set_implementation(connector_resource, &lease_connector_impl,
|
||||
connector, drm_connector_v1_handle_resource_destroy);
|
||||
wp_drm_lease_device_v1_send_connector(resource, connector_resource);
|
||||
|
||||
struct wlr_output *output = connector->output;
|
||||
wp_drm_lease_connector_v1_send_name(connector_resource, output->name);
|
||||
|
||||
// TODO: re-send the description when it's updated
|
||||
wp_drm_lease_connector_v1_send_description(connector_resource,
|
||||
output->description);
|
||||
|
||||
wp_drm_lease_connector_v1_send_connector_id(connector_resource,
|
||||
wlr_drm_connector_get_id(output));
|
||||
|
||||
wp_drm_lease_connector_v1_send_done(connector_resource);
|
||||
|
||||
wl_list_insert(&connector->resources,
|
||||
wl_resource_get_link(connector_resource));
|
||||
}
|
||||
|
||||
static void lease_device_bind(struct wl_client *wl_client, void *data,
|
||||
uint32_t version, uint32_t id) {
|
||||
struct wl_resource *device_resource = wl_resource_create(wl_client,
|
||||
&wp_drm_lease_device_v1_interface, version, id);
|
||||
if (!device_resource) {
|
||||
wl_client_post_no_memory(wl_client);
|
||||
return;
|
||||
}
|
||||
|
||||
wl_resource_set_implementation(device_resource, &lease_device_impl, NULL,
|
||||
drm_lease_device_v1_handle_resource_destroy);
|
||||
|
||||
struct wlr_drm_lease_device_v1 *device = data;
|
||||
if (!device) {
|
||||
wlr_log(WLR_DEBUG, "Failed to bind lease device, "
|
||||
"the wlr_drm_lease_device_v1 has been destroyed");
|
||||
return;
|
||||
}
|
||||
|
||||
wl_resource_set_user_data(device_resource, device);
|
||||
|
||||
int fd = wlr_drm_backend_get_non_master_fd(device->backend);
|
||||
if (fd < 0) {
|
||||
wlr_log(WLR_ERROR, "Unable to get read only DRM fd for leasing");
|
||||
wl_client_post_no_memory(wl_client);
|
||||
return;
|
||||
}
|
||||
|
||||
wp_drm_lease_device_v1_send_drm_fd(device_resource, fd);
|
||||
close(fd);
|
||||
|
||||
wl_list_insert(&device->resources, wl_resource_get_link(device_resource));
|
||||
|
||||
struct wlr_drm_lease_connector_v1 *connector;
|
||||
wl_list_for_each(connector, &device->connectors, link) {
|
||||
drm_lease_connector_v1_send_to_client(connector, device_resource);
|
||||
}
|
||||
|
||||
wp_drm_lease_device_v1_send_done(device_resource);
|
||||
}
|
||||
|
||||
static void handle_output_destroy(struct wl_listener *listener, void *data) {
|
||||
struct wlr_drm_lease_connector_v1 *conn = wl_container_of(listener, conn,
|
||||
destroy);
|
||||
wlr_log(WLR_DEBUG, "Handle destruction of output %s", conn->output->name);
|
||||
wlr_drm_lease_v1_manager_withdraw_output(conn->device->manager, conn->output);
|
||||
}
|
||||
|
||||
bool wlr_drm_lease_v1_manager_offer_output(
|
||||
struct wlr_drm_lease_v1_manager *manager, struct wlr_output *output) {
|
||||
assert(manager && output);
|
||||
assert(wlr_output_is_drm(output));
|
||||
|
||||
wlr_log(WLR_DEBUG, "Offering output %s", output->name);
|
||||
|
||||
struct wlr_drm_lease_device_v1 *device = NULL, *tmp_device;
|
||||
wl_list_for_each(tmp_device, &manager->devices, link) {
|
||||
if (tmp_device->backend == output->backend) {
|
||||
device = tmp_device;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!device) {
|
||||
wlr_log(WLR_ERROR, "No wlr_drm_lease_device_v1 associated with the "
|
||||
"offered output");
|
||||
return false;
|
||||
}
|
||||
|
||||
struct wlr_drm_lease_connector_v1 *tmp_connector;
|
||||
wl_list_for_each(tmp_connector, &device->connectors, link) {
|
||||
if (tmp_connector->output == output) {
|
||||
wlr_log(WLR_ERROR, "Output %s has already been offered",
|
||||
output->name);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
struct wlr_drm_lease_connector_v1 *connector =
|
||||
calloc(1, sizeof(struct wlr_drm_lease_connector_v1));
|
||||
if (!connector) {
|
||||
wlr_log(WLR_ERROR, "Failed to allocate wlr_drm_lease_connector_v1");
|
||||
return false;
|
||||
}
|
||||
|
||||
connector->output = output;
|
||||
connector->device = device;
|
||||
|
||||
connector->destroy.notify = handle_output_destroy;
|
||||
wl_signal_add(&output->events.destroy, &connector->destroy);
|
||||
|
||||
wl_list_init(&connector->resources);
|
||||
wl_list_insert(&device->connectors, &connector->link);
|
||||
|
||||
struct wl_resource *resource;
|
||||
wl_resource_for_each(resource, &device->resources) {
|
||||
drm_lease_connector_v1_send_to_client(connector, resource);
|
||||
wp_drm_lease_device_v1_send_done(resource);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void wlr_drm_lease_v1_manager_withdraw_output(
|
||||
struct wlr_drm_lease_v1_manager *manager, struct wlr_output *output) {
|
||||
assert(manager && output);
|
||||
|
||||
wlr_log(WLR_DEBUG, "Withdrawing output %s", output->name);
|
||||
|
||||
struct wlr_drm_lease_device_v1 *device = NULL, *tmp_device;
|
||||
wl_list_for_each(tmp_device, &manager->devices, link) {
|
||||
if (tmp_device->backend == output->backend) {
|
||||
device = tmp_device;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!device) {
|
||||
wlr_log(WLR_ERROR, "No wlr_drm_lease_device_v1 associated with the "
|
||||
"given output");
|
||||
return;
|
||||
}
|
||||
|
||||
struct wlr_drm_lease_connector_v1 *connector = NULL, *tmp_conn;
|
||||
wl_list_for_each(tmp_conn, &device->connectors, link) {
|
||||
if (tmp_conn->output == output) {
|
||||
connector = tmp_conn;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!connector) {
|
||||
wlr_log(WLR_DEBUG, "No wlr_drm_connector_v1 associated with the given "
|
||||
"output");
|
||||
return;
|
||||
}
|
||||
|
||||
drm_lease_connector_v1_destroy(connector);
|
||||
}
|
||||
|
||||
static void handle_backend_destroy(struct wl_listener *listener, void *data) {
|
||||
struct wlr_drm_lease_device_v1 *device =
|
||||
wl_container_of(listener, device, backend_destroy);
|
||||
drm_lease_device_v1_destroy(device);
|
||||
}
|
||||
|
||||
static void drm_lease_device_v1_create(struct wlr_drm_lease_v1_manager *manager,
|
||||
struct wlr_backend *backend) {
|
||||
assert(backend);
|
||||
|
||||
struct wlr_drm_backend *drm_backend =
|
||||
get_drm_backend_from_backend(backend);
|
||||
wlr_log(WLR_DEBUG, "Creating wlr_drm_lease_device_v1 for %s",
|
||||
drm_backend->name);
|
||||
|
||||
struct wlr_drm_lease_device_v1 *lease_device =
|
||||
calloc(1, sizeof(struct wlr_drm_lease_device_v1));
|
||||
|
||||
if (!lease_device) {
|
||||
wlr_log(WLR_ERROR, "Failed to allocate wlr_drm_lease_device_v1");
|
||||
return;
|
||||
}
|
||||
|
||||
lease_device->manager = manager;
|
||||
lease_device->backend = backend;
|
||||
wl_list_init(&lease_device->resources);
|
||||
wl_list_init(&lease_device->connectors);
|
||||
wl_list_init(&lease_device->requests);
|
||||
wl_list_init(&lease_device->leases);
|
||||
wl_list_init(&lease_device->link);
|
||||
|
||||
lease_device->global = wl_global_create(manager->display,
|
||||
&wp_drm_lease_device_v1_interface, DRM_LEASE_DEVICE_V1_VERSION,
|
||||
lease_device, lease_device_bind);
|
||||
|
||||
if (!lease_device->global) {
|
||||
wlr_log(WLR_ERROR, "Failed to allocate wp_drm_lease_device_v1 global");
|
||||
free(lease_device);
|
||||
return;
|
||||
}
|
||||
|
||||
lease_device->backend_destroy.notify = handle_backend_destroy;
|
||||
wl_signal_add(&backend->events.destroy, &lease_device->backend_destroy);
|
||||
|
||||
wl_list_insert(&manager->devices, &lease_device->link);
|
||||
}
|
||||
|
||||
static void multi_backend_cb(struct wlr_backend *backend, void *data) {
|
||||
if (!wlr_backend_is_drm(backend)) {
|
||||
return;
|
||||
}
|
||||
|
||||
struct wlr_drm_lease_v1_manager *manager = data;
|
||||
drm_lease_device_v1_create(manager, backend);
|
||||
}
|
||||
|
||||
static void handle_display_destroy(struct wl_listener *listener, void *data) {
|
||||
struct wlr_drm_lease_v1_manager *manager = wl_container_of(listener, manager,
|
||||
display_destroy);
|
||||
wlr_log(WLR_DEBUG, "Destroying wlr_drm_lease_v1_manager");
|
||||
|
||||
struct wlr_drm_lease_device_v1 *device, *tmp;
|
||||
wl_list_for_each_safe(device, tmp, &manager->devices, link) {
|
||||
drm_lease_device_v1_destroy(device);
|
||||
}
|
||||
|
||||
free(manager);
|
||||
}
|
||||
|
||||
struct wlr_drm_lease_v1_manager *wlr_drm_lease_v1_manager_create(
|
||||
struct wl_display *display, struct wlr_backend *backend) {
|
||||
struct wlr_drm_lease_v1_manager *manager = calloc(1,
|
||||
sizeof(struct wlr_drm_lease_v1_manager));
|
||||
if (!manager) {
|
||||
wlr_log(WLR_ERROR, "Failed to allocate wlr_drm_lease_v1_manager");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
wl_list_init(&manager->devices);
|
||||
manager->display = display;
|
||||
|
||||
if (wlr_backend_is_multi(backend)) {
|
||||
/* TODO: handle backends added after the manager is created */
|
||||
wlr_multi_for_each_backend(backend, multi_backend_cb, manager);
|
||||
} else if (wlr_backend_is_drm(backend)) {
|
||||
drm_lease_device_v1_create(manager, backend);
|
||||
}
|
||||
|
||||
if (wl_list_empty(&manager->devices)) {
|
||||
wlr_log(WLR_ERROR, "No DRM backend supplied, failed to create "
|
||||
"wlr_drm_lease_v1_manager");
|
||||
free(manager);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
manager->display_destroy.notify = handle_display_destroy;
|
||||
wl_display_add_destroy_listener(display, &manager->display_destroy);
|
||||
|
||||
wl_signal_init(&manager->events.request);
|
||||
|
||||
return manager;
|
||||
}
|
||||
Loading…
Reference in New Issue