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/*
* Copyright 2013 Red Hat Inc.
*
* 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: Ben Skeggs <bskeggs@redhat.com>
*/
#include "nouveau_sync.h"
static DevPrivateKeyRec nouveau_syncobj_key;
struct nouveau_syncobj {
SyncFenceSetTriggeredFunc SetTriggered;
};
#define nouveau_syncobj(fence) \
dixLookupPrivate(&(fence)->devPrivates, &nouveau_syncobj_key)
struct nouveau_syncctx {
SyncScreenCreateFenceFunc CreateFence;
};
#define nouveau_syncctx(screen) ({ \
ScrnInfoPtr scrn = xf86ScreenToScrn(screen); \
NVPtr pNv = NVPTR(scrn); \
pNv->sync; \
})
static void
nouveau_syncobj_flush(SyncFence *fence)
{
struct nouveau_syncobj *pobj = nouveau_syncobj(fence);
ScrnInfoPtr scrn = xf86ScreenToScrn(fence->pScreen);
NVPtr pNv = NVPTR(scrn);
SyncFenceFuncsPtr func = &fence->funcs;
nouveau_pushbuf_kick(pNv->pushbuf, pNv->channel);
if (pNv->ce_pushbuf)
nouveau_pushbuf_kick(pNv->ce_pushbuf, pNv->ce_channel);
swap(pobj, func, SetTriggered);
func->SetTriggered(fence);
swap(pobj, func, SetTriggered);
}
static void
nouveau_syncobj_new(ScreenPtr screen, SyncFence *fence, Bool triggered)
{
struct nouveau_syncctx *priv = nouveau_syncctx(screen);
struct nouveau_syncobj *pobj = nouveau_syncobj(fence);
SyncScreenFuncsPtr sync = miSyncGetScreenFuncs(screen);
SyncFenceFuncsPtr func = &fence->funcs;
swap(priv, sync, CreateFence);
sync->CreateFence(screen, fence, triggered);
swap(priv, sync, CreateFence);
wrap(pobj, func, SetTriggered, nouveau_syncobj_flush);
}
void
nouveau_sync_fini(ScreenPtr screen)
{
struct nouveau_syncctx *priv = nouveau_syncctx(screen);
SyncScreenFuncsPtr sync = miSyncGetScreenFuncs(screen);
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
NVPtr pNv = NVPTR(scrn);
unwrap(priv, sync, CreateFence);
pNv->sync = NULL;
free(priv);
}
Bool
nouveau_sync_init(ScreenPtr screen)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
NVPtr pNv = NVPTR(scrn);
struct nouveau_syncctx *priv;
SyncScreenFuncsPtr sync;
priv = pNv->sync = calloc(1, sizeof(*priv));
if (!priv)
return FALSE;
if (!dixPrivateKeyRegistered(&nouveau_syncobj_key) &&
!dixRegisterPrivateKey(&nouveau_syncobj_key, PRIVATE_SYNC_FENCE,
sizeof(struct nouveau_syncobj)))
return FALSE;
if (!miSyncShmScreenInit(screen))
return FALSE;
sync = miSyncGetScreenFuncs(screen);
wrap(priv, sync, CreateFence, nouveau_syncobj_new);
return TRUE;
}
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