mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-02 03:45:58 +01:00
b36af22c94
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.
68 lines
2.2 KiB
C
68 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_H
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#define WLR_BACKEND_H
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#include <wayland-server-core.h>
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#include <wlr/backend/session.h>
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struct wlr_backend_impl;
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struct wlr_backend {
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const struct wlr_backend_impl *impl;
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struct {
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/** Raised when destroyed, passed the wlr_backend reference */
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struct wl_signal destroy;
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/** Raised when new inputs are added, passed the wlr_input_device */
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struct wl_signal new_input;
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/** Raised when new outputs are added, passed the wlr_output */
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struct wl_signal new_output;
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} events;
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};
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/**
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* Automatically initializes the most suitable backend given the environment.
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* Will always return a multibackend. The backend is created but not started.
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* Returns NULL on failure.
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*/
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struct wlr_backend *wlr_backend_autocreate(struct wl_display *display);
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/**
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* Start the backend. This may signal new_input or new_output immediately, but
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* may also wait until the display's event loop begins. Returns false on
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* failure.
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*/
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bool wlr_backend_start(struct wlr_backend *backend);
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/**
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* Destroy the backend and clean up all of its resources. Normally called
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* automatically when the wl_display is destroyed.
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*/
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void wlr_backend_destroy(struct wlr_backend *backend);
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/**
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* Obtains the wlr_renderer reference this backend is using.
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*/
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struct wlr_renderer *wlr_backend_get_renderer(struct wlr_backend *backend);
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/**
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* Obtains the wlr_session reference from this backend if there is any.
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* Might return NULL for backends that don't use a session.
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*/
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struct wlr_session *wlr_backend_get_session(struct wlr_backend *backend);
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/**
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* Returns the clock used by the backend for presentation feedback.
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*/
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clockid_t wlr_backend_get_presentation_clock(struct wlr_backend *backend);
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/**
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* Returns the DRM node file descriptor used by the backend's underlying
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* platform. Can be used by consumers for additional rendering operations.
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* The consumer must not close the file descriptor since the backend continues
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* to have ownership of it.
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*/
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int wlr_backend_get_drm_fd(struct wlr_backend *backend);
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#endif
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