4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Copyright © 2013 Keith Packard
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Permission to use, copy, modify, distribute, and sell this software and its
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * documentation for any purpose is hereby granted without fee, provided that
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * the above copyright notice appear in all copies and that both that copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice and this permission notice appear in supporting documentation, and
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * that the name of the copyright holders not be used in advertising or
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * publicity pertaining to distribution of the software without specific,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * written prior permission. The copyright holders make no representations
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * about the suitability of this software for any purpose. It is provided "as
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * is" without express or implied warranty.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OF THIS SOFTWARE.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#ifndef _PRESENT_H_
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define _PRESENT_H_
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <X11/extensions/presentproto.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include "randrstr.h"
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include "presentext.h"
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef struct present_vblank present_vblank_rec, *present_vblank_ptr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Return the current CRTC for 'window'.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef RRCrtcPtr (*present_get_crtc_ptr) (WindowPtr window);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Return the current ust/msc for 'crtc'
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef int (*present_get_ust_msc_ptr) (RRCrtcPtr crtc, uint64_t *ust, uint64_t *msc);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Queue callback on 'crtc' for time 'msc'. Call present_event_notify with 'event_id'
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * at or after 'msc'. Return false if it didn't happen (which might occur if 'crtc'
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * is not currently generating vblanks).
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef Bool (*present_queue_vblank_ptr) (RRCrtcPtr crtc,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync uint64_t event_id,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync uint64_t msc);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Abort pending vblank. The extension is no longer interested in
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 'event_id' which was to be notified at 'msc'. If possible, the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * driver is free to de-queue the notification.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef void (*present_abort_vblank_ptr) (RRCrtcPtr crtc, uint64_t event_id, uint64_t msc);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Flush pending drawing on 'window' to the hardware.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef void (*present_flush_ptr) (WindowPtr window);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Check if 'pixmap' is suitable for flipping to 'window'.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef Bool (*present_check_flip_ptr) (RRCrtcPtr crtc, WindowPtr window, PixmapPtr pixmap, Bool sync_flip);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Flip pixmap, return false if it didn't happen.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 'crtc' is to be used for any necessary synchronization.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 'sync_flip' requests that the flip be performed at the next
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * vertical blank interval to avoid tearing artifacts. If false, the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * flip should be performed as soon as possible.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * present_event_notify should be called with 'event_id' when the flip
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * occurs
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef Bool (*present_flip_ptr) (RRCrtcPtr crtc,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync uint64_t event_id,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync uint64_t target_msc,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync PixmapPtr pixmap,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Bool sync_flip);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* "unflip" back to the regular screen scanout buffer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * present_event_notify should be called with 'event_id' when the unflip occurs.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
typedef void (*present_unflip_ptr) (ScreenPtr screen,
uint64_t event_id);
#define PRESENT_SCREEN_INFO_VERSION 0
typedef struct present_screen_info {
uint32_t version;
present_get_crtc_ptr get_crtc;
present_get_ust_msc_ptr get_ust_msc;
present_queue_vblank_ptr queue_vblank;
present_abort_vblank_ptr abort_vblank;
present_flush_ptr flush;
uint32_t capabilities;
present_check_flip_ptr check_flip;
present_flip_ptr flip;
present_unflip_ptr unflip;
} present_screen_info_rec, *present_screen_info_ptr;
/*
* Called when 'event_id' occurs. 'ust' and 'msc' indicate when the
* event actually happened
*/
extern _X_EXPORT void
present_event_notify(uint64_t event_id, uint64_t ust, uint64_t msc);
/* 'crtc' has been turned off, so any pending events will never occur.
*/
extern _X_EXPORT void
present_event_abandon(RRCrtcPtr crtc);
extern _X_EXPORT Bool
present_screen_init(ScreenPtr screen, present_screen_info_ptr info);
typedef void (*present_complete_notify_proc)(WindowPtr window,
CARD8 mode,
CARD32 serial,
uint64_t ust,
uint64_t msc);
extern _X_EXPORT void
present_register_complete_notify(present_complete_notify_proc proc);
#endif /* _PRESENT_H_ */