[Mesa-dev] [PATCH 03/13] travis: add the possibility of using the txc-dxtn library

[Nicolai Hähnle]

On 07.04.2017 21:39, Jan Vesely wrote:
> On Fri, 2017-04-07 at 20:05 +0100, Emil Velikov wrote:
>> From: Andres Gomez <agomez at igalia.com>
>>
>> The txc-dxtn library implements the patented S3 Texture Compression
>> algorithm.
>>
>> By default it won't be used but we add the possibility of setting the
>> USE_TXC_DXTN variable to yes in the travis web UI so it will be
>> installed and used for the scons tests.
>
> OT: doesn't the patent expire this year (oct) anyway?

Yes, it does. Still makes sense for the patch in this form right now. In 
a few months this can be enabled by default or, even better, the source 
to libtxc-dxtn can just be pulled into Mesa entirely. I don't think 
there are other users of that library.

Cheers,
Nicolai


>
> Jan
>
>>
>> Cc: Eric Anholt <eric at anholt.net>
>> Cc: Rhys Kidd <rhyskidd at gmail.com>
>> Signed-off-by: Andres Gomez <agomez at igalia.com>
>> [Emil Velikov: keep the LIB prefix, drop the LD_LIBRARY_PATH]
>> Signed-off-by: Emil Velikov <emil.velikov at collabora.com>
>> ---
>>  .travis.yml | 15 +++++++++++++++
>>  1 file changed, 15 insertions(+)
>>
>> diff --git a/.travis.yml b/.travis.yml
>> index 03f4a1b833f..b426c0b6184 100644
>> --- a/.travis.yml
>> +++ b/.travis.yml
>> @@ -25,6 +25,7 @@ env:
>>    global:
>>      - XORG_RELEASES=http://xorg.freedesktop.org/releases/individual
>>      - XCB_RELEASES=http://xcb.freedesktop.org/dist
>> +    - TXC_DXTN_RELEASES=https://people.freedesktop.org/~cbrill/libtxc_dxtn
>>      - XORGMACROS_VERSION=util-macros-1.19.0
>>      - GLPROTO_VERSION=glproto-1.4.17
>>      - DRI2PROTO_VERSION=dri2proto-2.8
>> @@ -35,6 +36,7 @@ env:
>>      - XCBPROTO_VERSION=xcb-proto-1.11
>>      - LIBXCB_VERSION=libxcb-1.11
>>      - LIBXSHMFENCE_VERSION=libxshmfence-1.2
>> +    - LIBTXC_DXTN_VERSION=libtxc_dxtn-1.0.1
>>      - LLVM_VERSION=3.9
>>      - LLVM_CONFIG="llvm-config-${LLVM_VERSION}"
>>      - PKG_CONFIG_PATH=$HOME/prefix/lib/pkgconfig
>> @@ -101,6 +103,19 @@ install:
>>    - tar -jxvf $LIBXSHMFENCE_VERSION.tar.bz2
>>    - (cd $LIBXSHMFENCE_VERSION && ./configure --prefix=$HOME/prefix && make install)
>>
>> +  # libtxc-dxtn uses the patented S3 Texture Compression
>> +  # algorithm. Therefore, we don't want to use this library but it is
>> +  # still possible through setting the USE_TXC_DXTN variable to yes in
>> +  # the travis web UI.
>> +  #
>> +  # According to Wikipedia, the patent expires on October 2, 2017:
>> +  # https://en.wikipedia.org/wiki/S3_Texture_Compression#Patent
>> +  - if test "x$USE_TXC_DXTN" = xyes; then
>> +      wget $TXC_DXTN_RELEASES/$LIBTXC_DXTN_VERSION.tar.bz2;
>> +      tar -jxvf $LIBTXC_DXTN_VERSION.tar.bz2;
>> +      (cd $LIBTXC_DXTN_VERSION && ./configure --prefix=$HOME/prefix && make install);
>> +    fi
>> +
>>  script:
>>    - if test "x$BUILD" = xmake; then
>>        ./autogen.sh --enable-debug
>>
>>
>> _______________________________________________
>> mesa-dev mailing list
>> mesa-dev at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/mesa-dev


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