yeah, i had this warning (add parenthesis to disambiguate intention of
the &) as well. so, i think you're saying the expected code is:
if ( ( it->second.second & osg::StateAttribute::ON ) ==
osg::StateAttribute::ON )
b
On Fri, Oct 3, 2008 at 4:07 PM, Adrian Egli OpenSceneGraph (3D)
<[EMAIL PROTECTED]> wrote:
> No problem, but append some parentheses to be sure that the compiler
> understand well what you are doing or what you like to do
>
> adrian
>
> 2008/10/3 Art Tevs <[EMAIL PROTECTED]>
>>
>> Hi Adrian,
>>
>>
>> I think it should. This is just a quick test if a program attribute is
>> enabled. I haven't found a best solution for that, hence implemented it in
>> this way.
>>
>> However I think the & operator is applied before == operator, which yields
>> in the same operation as your first solution. It do just check if the ON
>> attribute is present in the state attribute. However I agree, it is better
>> to change that. I'll do this next.
>>
>> Cheers,
>> art
>>
>>
>> > Is the code doing what we want?
>> >
>> > // now apply all uniforms which are in the database
>> > for (osg::StateSet::UniformList::const_iterator it =
>> > mUniforms.begin();
>> > it != mUniforms.end(); it++)
>> > {
>> > if (it->second.second &
>> > osg::StateAttribute::ON ==
>> > osg::StateAttribute::ON)
>> >
>> > lastAppliedProgram->apply(*(it->second.first));
>> > }
>> >
>> > we should use
>> > if (* ( it->second.second & osg::StateAttribute::ON
>> > )* ==
>> > osg::StateAttribute::ON)
>> >
>> > or
>> >
>> > if (it->second.second &* (osg::StateAttribute::ON ==
>> > osg::StateAttribute::ON)* )
>> >
>> > or
>> > if (it->second.second *&&
>> > *osg::StateAttribute::ON ==
>> > osg::StateAttribute::ON )
>> >
>> >
>> > see @
>> > f:\dev\OpenSceneGraph\osgPPU\src\osgPPU\ShaderAttribute.cpp
>> > at line 363
>> >
>> >
>> > --
>> > ********************************************
>> > Adrian Egli
>> > _______________________________________________
>> > osg-users mailing list
>> > [email protected]
>> >
>> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>>
>>
>>
>> _______________________________________________
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>
>
>
> --
> ********************************************
> Adrian Egli
>
> _______________________________________________
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>
>
--
bob kuehne
founder and ceo - blue newt software
www.blue-newt.com 734/834-2696
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