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List:       flightgear-devel
Subject:    [Flightgear-devel] ISSUE 295: Re: Shaders: Issue 294 not accepted?
From:       HB-GRAL <flightgear () sablonier ! ch>
Date:       2011-06-23 12:19:55
Message-ID: 4E032F6B.7070903 () sablonier ! ch
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Arghh, yes, I am talking about issue #295 and not #294, sorry for that.
-Yves

Am 23.06.11 14:17, schrieb HB-GRAL:
> Hi all
>
> For upcoming debugging weeks: Please note that issue #294 and #335 are
> still valid here with OSX 10.6, ATI 5750, OSG2.9.7. I still get
>
> Warning: detected OpenGL error 'invalid operation' at after
> RenderBin::draw(..)
>
> with every plane (i.e. 737-100) where reflect shaders are active.
>
> I don't know how to get better debugging information with fgfs, and I
> apologize, can someone give me a hint again how I can get "human
> readable" error output instead of tousands of this lines above, filling
> up my log, pointing to nowhere ?
>
> Now all what I can say is what my "shader builder" on OSX says for
> reflect and reflect-bum-spec:
>
> ---
> Validation Failed: Sampler error:
> Samplers of different types use the same texture image unit.
> - or -
> A sampler's texture unit is out of range (greater than max allowed or
> negative).
> ---
>
> Another validation warning with reflect-bump-spec, but this needs only
> some small shader clean up I think ;-)
>
> ---
> Program link results:
> WARNING: vertex shader writes varying 'Normal' which is not active.
> ---
>
>
> NONE of the other shaders have problems with passing an external shader
> validation. Please accept the issue #294 for OSX/ATI now and assign it
> to shader core developers if he/she is still around. (I will try to help
> to fix it of course).
>
> btw. using 777-200 (see also issue #335) gives me:
>
> ---
> FRAGMENT glCompileShader "" FAILED
> FRAGMENT Shader "" infolog:
> ERROR: 0:58: '>=' : wrong operand types no operation '>=' exists that
> takes a left-hand operand of type 'uniform float' and a right operand of
> type 'const int' (or there is no acceptable conversion)
>
> glLinkProgram "" FAILED
> Program "" infolog:
> ERROR: One or more attached shaders not successfully compiled
> ---
>
> I will vote for removing all the shaders in aircrafts soon :-)
>
> Thanks, Yves
>


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