78f0d9cdc4
Bump dri2proto dependency to 2.7.
Bump DRI2INFOREC_VERSION to 7.
This new protocol request effectively allows clients to perform feature
detection on the DDX. The request was added in DRI2 protocol 1.4.
If I had DRI2GetParam in June 2011, when I was implementing support in the
Intel DDX and Mesa for new hardware that required a new DRI2 attachment
format, then I could have avoided a week of pain caused by the necessity
to write a horrid feature detection hack [1] in Mesa. In the future, when
the work begins to add MSAA support to the Intel DDX, having a clean way
to do feature detection will allow us to avoid revisiting and expanding
that hack.
[1] mesa, commit aea2236a, function intel_verify_dri2_has_hiz
v2: If driver doesn't define ds->GetParam, dont' crash. Fall back to
default behavior, per keithp.
Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Eric Anholt <eric@anholt.net> (v1)
Reviewed-by: Ian Romanick <idr@freedesktop.org> (v1)
Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
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