Reviewed-by: Alex Goins <agoins at nvidia.com> Thanks, Alex
On Fri, 6 May 2016, Dave Airlie wrote: > This is an ABI break, in that we now pass NULL to a function > that hasn't accepted it before. > > Alex Goins had a different patch for this but it wasn't symmetrical, > it freed something in a very different place than it allocated it, > this attempts to retain symmetry in the releasing of the backing bo. > > v2: use a new toplevel API, though it still passes NULL to something > that wasn't expecting it. > v3: pass -1 instead of 0. > > Signed-off-by: Dave Airlie <[email protected]> > --- > dix/pixmap.c | 7 +++++++ > hw/xfree86/dri2/dri2.c | 1 + > hw/xfree86/drivers/modesetting/driver.c | 4 ++++ > hw/xfree86/drivers/modesetting/drmmode_display.c | 6 ++++++ > include/pixmap.h | 3 +++ > randr/rrcrtc.c | 2 ++ > 6 files changed, 23 insertions(+) > > diff --git a/dix/pixmap.c b/dix/pixmap.c > index 11d83fe..49267a1 100644 > --- a/dix/pixmap.c > +++ b/dix/pixmap.c > @@ -132,6 +132,13 @@ FreePixmap(PixmapPtr pPixmap) > free(pPixmap); > } > > +void PixmapUnshareSlavePixmap(PixmapPtr slave_pixmap) > +{ > + int ihandle = -1; > + ScreenPtr pScreen = slave_pixmap->drawable.pScreen; > + pScreen->SetSharedPixmapBacking(slave_pixmap, ((void *)(long)ihandle)); > +} > + > PixmapPtr PixmapShareToSlave(PixmapPtr pixmap, ScreenPtr slave) > { > PixmapPtr spix; > diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c > index d55be19..f80599f 100644 > --- a/hw/xfree86/dri2/dri2.c > +++ b/hw/xfree86/dri2/dri2.c > @@ -859,6 +859,7 @@ DrawablePtr DRI2UpdatePrime(DrawablePtr pDraw, > DRI2BufferPtr pDest) > if (pPriv->prime_slave_pixmap->master_pixmap == mpix) > return &pPriv->prime_slave_pixmap->drawable; > else { > + PixmapUnshareSlavePixmap(pPriv->prime_slave_pixmap); > > (*pPriv->prime_slave_pixmap->master_pixmap->drawable.pScreen->DestroyPixmap)(pPriv->prime_slave_pixmap->master_pixmap); > (*slave->DestroyPixmap)(pPriv->prime_slave_pixmap); > pPriv->prime_slave_pixmap = NULL; > diff --git a/hw/xfree86/drivers/modesetting/driver.c > b/hw/xfree86/drivers/modesetting/driver.c > index cd59c06..1604044 100644 > --- a/hw/xfree86/drivers/modesetting/driver.c > +++ b/hw/xfree86/drivers/modesetting/driver.c > @@ -1074,6 +1074,10 @@ msSetSharedPixmapBacking(PixmapPtr ppix, void > *fd_handle) > Bool ret; > int ihandle = (int) (long) fd_handle; > > + if (ihandle == -1) > + if (!ms->drmmode.reverse_prime_offload_mode) > + return drmmode_SetSlaveBO(ppix, &ms->drmmode, ihandle, 0, 0); > + > if (ms->drmmode.reverse_prime_offload_mode) { > ret = glamor_back_pixmap_from_fd(ppix, ihandle, > ppix->drawable.width, > diff --git a/hw/xfree86/drivers/modesetting/drmmode_display.c > b/hw/xfree86/drivers/modesetting/drmmode_display.c > index 2cda523..5e104b8 100644 > --- a/hw/xfree86/drivers/modesetting/drmmode_display.c > +++ b/hw/xfree86/drivers/modesetting/drmmode_display.c > @@ -214,6 +214,12 @@ drmmode_SetSlaveBO(PixmapPtr ppix, > { > msPixmapPrivPtr ppriv = msGetPixmapPriv(drmmode, ppix); > > + if (fd_handle == -1) { > + dumb_bo_destroy(drmmode->fd, ppriv->backing_bo); > + ppriv->backing_bo = NULL; > + return TRUE; > + } > + > ppriv->backing_bo = > dumb_get_bo_from_fd(drmmode->fd, fd_handle, pitch, size); > if (!ppriv->backing_bo) > diff --git a/include/pixmap.h b/include/pixmap.h > index c6a7736..86b513d 100644 > --- a/include/pixmap.h > +++ b/include/pixmap.h > @@ -115,6 +115,9 @@ extern _X_EXPORT void FreePixmap(PixmapPtr /*pPixmap */ ); > extern _X_EXPORT PixmapPtr > PixmapShareToSlave(PixmapPtr pixmap, ScreenPtr slave); > > +extern _X_EXPORT void > +PixmapUnshareSlavePixmap(PixmapPtr slave_pixmap); > + > #define HAS_DIRTYTRACKING_ROTATION 1 > extern _X_EXPORT Bool > PixmapStartDirtyTracking(PixmapPtr src, > diff --git a/randr/rrcrtc.c b/randr/rrcrtc.c > index 566a3db..5447133 100644 > --- a/randr/rrcrtc.c > +++ b/randr/rrcrtc.c > @@ -373,6 +373,8 @@ rrDestroySharedPixmap(RRCrtcPtr crtc, PixmapPtr pPixmap) { > * Unref the pixmap twice: once for the original reference, and once > * for the reference implicitly added by PixmapShareToSlave. > */ > + PixmapUnshareSlavePixmap(pPixmap); > + > master->DestroyPixmap(pPixmap->master_pixmap); > master->DestroyPixmap(pPixmap->master_pixmap); > } > -- > 2.5.5 > > _______________________________________________ > [email protected]: X.Org development > Archives: http://lists.x.org/archives/xorg-devel > Info: https://lists.x.org/mailman/listinfo/xorg-devel _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: https://lists.x.org/mailman/listinfo/xorg-devel
