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/*
* Copyright © 2013 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "scrnintstr.h"
#include "misync.h"
#include "misyncstr.h"
#include "misyncfd.h"
#include "pixmapstr.h"
static DevPrivateKeyRec syncFdScreenPrivateKey;
typedef struct _SyncFdScreenPrivate {
SyncFdScreenFuncsRec funcs;
} SyncFdScreenPrivateRec, *SyncFdScreenPrivatePtr;
static inline SyncFdScreenPrivatePtr sync_fd_screen_priv(ScreenPtr pScreen)
{
if (!dixPrivateKeyRegistered(&syncFdScreenPrivateKey))
return NULL;
return dixLookupPrivate(&pScreen->devPrivates, &syncFdScreenPrivateKey);
}
int
miSyncInitFenceFromFD(DrawablePtr pDraw, SyncFence *pFence, int fd, BOOL initially_triggered)
{
SyncFdScreenPrivatePtr priv = sync_fd_screen_priv(pDraw->pScreen);
if (!priv)
return BadMatch;
return (*priv->funcs.CreateFenceFromFd)(pDraw->pScreen, pFence, fd, initially_triggered);
}
int
miSyncFDFromFence(DrawablePtr pDraw, SyncFence *pFence)
{
SyncFdScreenPrivatePtr priv = sync_fd_screen_priv(pDraw->pScreen);
if (!priv)
return -1;
return (*priv->funcs.GetFenceFd)(pDraw->pScreen, pFence);
}
_X_EXPORT Bool miSyncFdScreenInit(ScreenPtr pScreen,
const SyncFdScreenFuncsRec *funcs)
{
SyncFdScreenPrivatePtr priv;
/* Check to see if we've already been initialized */
if (sync_fd_screen_priv(pScreen) != NULL)
return FALSE;
if (!miSyncSetup(pScreen))
return FALSE;
if (!dixPrivateKeyRegistered(&syncFdScreenPrivateKey)) {
if (!dixRegisterPrivateKey(&syncFdScreenPrivateKey, PRIVATE_SCREEN, 0))
return FALSE;
}
priv = calloc(1, sizeof (SyncFdScreenPrivateRec));
if (!priv)
return FALSE;
/* Will require version checks when there are multiple versions
* of the funcs structure
*/
priv->funcs = *funcs;
dixSetPrivate(&pScreen->devPrivates, &syncFdScreenPrivateKey, priv);
return TRUE;
}
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