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dri3: Add DRI3 extension

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Adds DRM compatible fences using futexes.
Uses FD passing to get pixmaps from DRM applications.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Keith Packard
2013-04-09 19:59:39 -07:00
parent fdec793cdc
commit 5631382988
26 changed files with 1255 additions and 32 deletions
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32
Xext/sync.c
View File

@@ -141,7 +141,7 @@ SyncCheckWarnIsCounter(const SyncObject * pSync, const char *warning)
* interested in the counter. The two functions below are used to
* delete and add triggers on this list.
*/
static void
void
SyncDeleteTriggerFromSyncObject(SyncTrigger * pTrigger)
{
SyncTriggerList *pCur;
@@ -184,7 +184,7 @@ SyncDeleteTriggerFromSyncObject(SyncTrigger * pTrigger)
}
}
static int
int
SyncAddTriggerToSyncObject(SyncTrigger * pTrigger)
{
SyncTriggerList *pCur;
@@ -916,6 +916,34 @@ SyncCreate(ClientPtr client, XID id, unsigned char type)
return pSync;
}
int
SyncCreateFenceFromFD(ClientPtr client, DrawablePtr pDraw, XID id, int fd, BOOL initially_triggered)
{
SyncFence *pFence;
int status;
pFence = (SyncFence *) SyncCreate(client, id, SYNC_FENCE);
if (!pFence)
return BadAlloc;
status = miSyncInitFenceFromFD(pDraw, pFence, fd, initially_triggered);
if (status != Success) {
miSyncDestroyFence(pFence);
return status;
}
if (!AddResource(id, RTFence, (pointer) pFence))
return BadAlloc;
return Success;
}
int
SyncFDFromFence(ClientPtr client, DrawablePtr pDraw, SyncFence *pFence)
{
return miSyncFDFromFence(pDraw, pFence);
}
static SyncCounter *
SyncCreateCounter(ClientPtr client, XSyncCounter id, CARD64 initialvalue)
{

13
Xext/syncsrv.h
View File

@@ -136,4 +136,17 @@ extern void SyncDestroySystemCounter(pointer pCounter);
extern SyncCounter *SyncInitDeviceIdleTime(DeviceIntPtr dev);
extern void SyncRemoveDeviceIdleTime(SyncCounter *counter);
int
SyncCreateFenceFromFD(ClientPtr client, DrawablePtr pDraw, XID id, int fd, BOOL initially_triggered);
int
SyncFDFromFence(ClientPtr client, DrawablePtr pDraw, SyncFence *fence);
void
SyncDeleteTriggerFromSyncObject(SyncTrigger * pTrigger);
int
SyncAddTriggerToSyncObject(SyncTrigger * pTrigger);
#endif /* _SYNCSRV_H_ */