[Intel-gfx] [intelddx] TearFree still status "Experimental support"?

Sedat Dilek sedat.dilek at gmail.com
Wed Mar 30 08:44:15 UTC 2016


On Thu, Mar 24, 2016 at 12:19 PM, Sedat Dilek <sedat.dilek at gmail.com> wrote:
> On Thu, Mar 24, 2016 at 11:56 AM, Sedat Dilek <sedat.dilek at gmail.com> wrote:
>> Hi Chris,
>>
>> is TearFree feature still "experimental" in current xf86-video-intel.git#master?
>> It is enabled by default!
>>
>> [ configure-log ]
>> ...
>> xf86-video-intel 2.99.917 will be compiled with:
>>   Xorg Video ABI version: 15.0 (xorg-server-1.15.1)
>>   pixman version: pixman-1-0.30.2
>>   Acceleration backends: none *sna uxa
>>   Additional debugging support? valgrind
>>   Support for Kernel Mode Setting? yes
>>   Support for legacy User Mode Setting (for i810)? yes
>>   Support for Direct Rendering Infrastructure: *DRI2
>>   Support for Xv motion compensation (XvMC and libXvMC): yes
>>   Support for display hotplug notifications (udev): yes
>>   Build additional tools and utilities? xf86-video-intel-backlight-helper
>>   Experimental support: TearFree <--- XXX
>> ...
>>
>> [ configure.ac ]
>> ...
>> AC_ARG_ENABLE(tear-free,
>>      AS_HELP_STRING([--enable-tear-free],
>>     [Enable use of TearFree by default [default=no]]),
>>      [TEARFREE="$enableval"],
>>      [TEARFREE="no"])
>> if test "x$TEARFREE" = "xyes"; then
>> AC_DEFINE(TEARFREE,1,[Enable "TearFree" by default])
>> xp_msg="$xp_msg TearFree" <--- Line needs to be killed ???
>> fi
>> ...
>> if test -n "$xp_msg"; then
>> echo "  Experimental support:$xp_msg"
>> fi
>> ...
>>
>> Thanks.
>>
>> - Sedat -
>>
>> [1] https://cgit.freedesktop.org/xorg/driver/xf86-video-intel/tree/configure.ac#n742
>> [2] https://cgit.freedesktop.org/xorg/driver/xf86-video-intel/tree/configure.ac#n927
>
> See attached patch.
>

Looks like I misread in configure.ac, TearFree is not enabled by default.

[ configure.ac ]

AC_ARG_ENABLE(tear-free,
     AS_HELP_STRING([--enable-tear-free],
    [Enable use of TearFree by default [default=no]]),
     [TEARFREE="$enableval"],
     [TEARFREE="no"])
if test "x$TEARFREE" = "xyes"; then
AC_DEFINE(TEARFREE,1,[Enable "TearFree" by default])
xp_msg="$xp_msg TearFree"
fi

So forget this braino.

- Sedat -

[1] https://cgit.freedesktop.org/xorg/driver/xf86-video-intel/tree/configure.ac#n742


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