On Mon, Jan 19, 2015 at 6:00 AM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > For BufferAge support, we just have to guarrantee that we were not using > the DRI2Buffer->flags field for anything else (i.e. it is always 0) and > then to make sure that we exchange the flags field after buffer > exchanges. radeon does not support TripleBuffering so we do not have to > worry about perserving the flags when injecting the third buffer. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Dave Airlie <airlied@xxxxxxxxxx> > Cc: Jerome Glisse <jglisse@xxxxxxxxxx> > Cc: Alex Deucher <alexander.deucher@xxxxxxx> > Cc: Michel Dänzer <michel.daenzer@xxxxxxx> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> > --- > src/radeon_dri2.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/src/radeon_dri2.c b/src/radeon_dri2.c > index 0fbe96c..091cd06 100644 > --- a/src/radeon_dri2.c > +++ b/src/radeon_dri2.c > @@ -764,6 +764,11 @@ radeon_dri2_exchange_buffers(DrawablePtr draw, DRI2BufferPtr front, DRI2BufferPt > front->name = back->name; > back->name = tmp; > > + /* Swap flags so BufferAge works */ > + tmp = front->flags; > + front->flags = back->flags; > + back->flags = tmp; > + > /* Swap pixmap bos */ > front_bo = radeon_get_pixmap_bo(front_priv->pixmap); > back_bo = radeon_get_pixmap_bo(back_priv->pixmap); > @@ -1647,6 +1652,11 @@ radeon_dri2_screen_init(ScreenPtr pScreen) > dri2_info.CopyRegion2 = radeon_dri2_copy_region2; > #endif > > +#if DRI2INFOREC_VERSION >= 10 > + dri2_info.version = 10; > + dri2_info.bufferAge = 1; > +#endif > + > info->dri2.enabled = DRI2ScreenInit(pScreen, &dri2_info); > return info->dri2.enabled; > } > -- > 2.1.4 > > _______________________________________________ > xorg-devel@xxxxxxxxxxx: X.Org development > Archives: http://lists.x.org/archives/xorg-devel > Info: http://lists.x.org/mailman/listinfo/xorg-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
