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linux-explicit-synchronization-v2: new protocol implementation

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See [1].

[1]: https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/90
This commit is contained in:
Simon Ser 2021-10-21 15:02:31 +02:00
parent 7ae10e078a
commit 3096cf7964
4 changed files with 389 additions and 0 deletions
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63
include/wlr/types/wlr_linux_explicit_synchronization_v2.h Normal file
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/*
* This an unstable interface of wlroots. No guarantees are made regarding the
* future consistency of this API.
*/
#ifndef WLR_USE_UNSTABLE
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
#endif
#ifndef WLR_TYPES_WLR_LINUX_EXPLICIT_SYNCHRONIZATION_V2_H
#define WLR_TYPES_WLR_LINUX_EXPLICIT_SYNCHRONIZATION_V2_H
#include <wayland-server-core.h>
#include <wlr/util/addon.h>
struct wlr_linux_surface_sync_v2_state {
struct wlr_render_timeline *acquire_timeline;
uint64_t acquire_point;
struct wlr_render_timeline *release_timeline;
uint64_t release_point;
};
struct wlr_linux_surface_sync_v2 {
struct wl_resource *resource;
struct wlr_surface *surface;
struct wlr_linux_surface_sync_v2_state pending, current;
// private state
struct wlr_addon addon;
struct wl_listener surface_commit;
};
struct wlr_linux_explicit_sync_v2 {
struct wl_global *global;
int drm_fd;
struct {
struct wl_signal destroy;
} events;
// private state
struct wl_listener display_destroy;
};
/**
* Advertise explicit synchronization support to clients.
*
* The compositor must be prepared to handle fences coming from clients and to
* send release fences correctly. In particular, both the renderer and the
* backend need to support explicit synchronization.
*/
struct wlr_linux_explicit_sync_v2 *wlr_linux_explicit_sync_v2_create(
struct wl_display *display, int drm_fd);
struct wlr_linux_surface_sync_v2_state *
wlr_linux_explicit_sync_v2_get_surface_state(
struct wlr_linux_explicit_sync_v2 *explicit_sync,
struct wlr_surface *surface);
#endif