xref: /xsrc/external/mit/xorg-server/dist/miext/sync/misync.h

/*
 * Copyright © 2010 NVIDIA Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#ifndef _MISYNC_H_
#define _MISYNC_H_

typedef struct _SyncFence SyncFence;
typedef struct _SyncTrigger SyncTrigger;

typedef void (*SyncScreenCreateFenceFunc) (ScreenPtr pScreen,
                                           SyncFence * pFence,
                                           Bool initially_triggered);
typedef void (*SyncScreenDestroyFenceFunc) (ScreenPtr pScreen,
                                            SyncFence * pFence);

typedef struct _syncScreenFuncs {
    SyncScreenCreateFenceFunc CreateFence;
    SyncScreenDestroyFenceFunc DestroyFence;
} SyncScreenFuncsRec, *SyncScreenFuncsPtr;


extern _X_EXPORT void
miSyncScreenCreateFence(ScreenPtr pScreen, SyncFence * pFence,
                        Bool initially_triggered);
extern _X_EXPORT void
 miSyncScreenDestroyFence(ScreenPtr pScreen, SyncFence * pFence);

typedef void (*SyncFenceSetTriggeredFunc) (SyncFence * pFence);
typedef void (*SyncFenceResetFunc) (SyncFence * pFence);
typedef Bool (*SyncFenceCheckTriggeredFunc) (SyncFence * pFence);
typedef void (*SyncFenceAddTriggerFunc) (SyncTrigger * pTrigger);
typedef void (*SyncFenceDeleteTriggerFunc) (SyncTrigger * pTrigger);

typedef struct _syncFenceFuncs {
    SyncFenceSetTriggeredFunc SetTriggered;
    SyncFenceResetFunc Reset;
    SyncFenceCheckTriggeredFunc CheckTriggered;
    SyncFenceAddTriggerFunc AddTrigger;
    SyncFenceDeleteTriggerFunc DeleteTrigger;
} SyncFenceFuncsRec, *SyncFenceFuncsPtr;

extern _X_EXPORT void

miSyncInitFence(ScreenPtr pScreen, SyncFence * pFence,
                Bool initially_triggered);
extern _X_EXPORT void
 miSyncDestroyFence(SyncFence * pFence);
extern _X_EXPORT void
 miSyncTriggerFence(SyncFence * pFence);

extern _X_EXPORT SyncScreenFuncsPtr miSyncGetScreenFuncs(ScreenPtr pScreen);
extern _X_EXPORT Bool
 miSyncSetup(ScreenPtr pScreen);

Bool
miSyncFenceCheckTriggered(SyncFence * pFence);

void
miSyncFenceSetTriggered(SyncFence * pFence);

void
miSyncFenceReset(SyncFence * pFence);

void
miSyncFenceAddTrigger(SyncTrigger * pTrigger);

void
miSyncFenceDeleteTrigger(SyncTrigger * pTrigger);

int
miSyncInitFenceFromFD(DrawablePtr pDraw, SyncFence *pFence, int fd, BOOL initially_triggered);

int
miSyncFDFromFence(DrawablePtr pDraw, SyncFence *pFence);

#endif                          /* _MISYNC_H_ */