On 01/19/2015 03:00 AM, Chris Wilson wrote: > In order for X/DDX to reuse a driver specific field of the DRI2GetBuffers > reply, we need to declare the change in semantics. To indicate that the > flags field now continues the last swap buffers count instead, we > introduce the has-buffer-age parameter. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Reviewed-by: Ian Romanick <ian.d.romanick@xxxxxxxxx> > --- > configure.ac | 2 +- > dri2proto.h | 2 ++ > dri2proto.txt | 11 ++++++++--- > 3 files changed, 11 insertions(+), 4 deletions(-) > > diff --git a/configure.ac b/configure.ac > index 5fadf56..9f4c4a0 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -1,5 +1,5 @@ > AC_PREREQ([2.60]) > -AC_INIT([DRI2Proto], [2.8], [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg]) > +AC_INIT([DRI2Proto], [2.9], [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg]) > AM_INIT_AUTOMAKE([foreign dist-bzip2]) > > # Require xorg-macros: XORG_DEFAULT_OPTIONS > diff --git a/dri2proto.h b/dri2proto.h > index 128b807..086dc96 100644 > --- a/dri2proto.h > +++ b/dri2proto.h > @@ -340,6 +340,8 @@ typedef struct { > } xDRI2GetParamReq; > #define sz_xDRI2GetParamReq 12 > > +#define DRI2ParamXHasBufferAge 0 > + > typedef struct { > BYTE type; /*X_Reply*/ > BOOL is_param_recognized; > diff --git a/dri2proto.txt b/dri2proto.txt > index 9921301..9daa58e 100644 > --- a/dri2proto.txt > +++ b/dri2proto.txt > @@ -454,9 +454,14 @@ The name of this extension is "DRI2". > the screen associated with 'drawable'. > > Parameter names in which the value of the most significant byte is > - 0 are reserved for the X server. Currently, no such parameter names > - are defined. (When any such names are defined, they will be defined in > - this extension specification and its associated headers). > + 0 are reserved for the X server. The complete list of known parameter > + names for the X server are: > + > + 0 - DRI2ParamXHasBufferAge > + > + Query whether the X server and DDX support passing the > + buffers last swap buffer count in the flags field of > + the DRI2GetBuffers reply. > > Parameter names in which the byte's value is 1 are reserved for the > DDX. Such names are private to each driver and shall be defined in the > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
