Thanks for the replies. You've given me sufficient info to take the discussion to the next level with the VTK developers closer to the feature than I am... I'm just trying to get our tests to pass everywhere!
Thanks again, David Cole Brian Paul wrote: > Michal Krol wrote: > >> On 06/10/06, David Cole <[EMAIL PROTECTED]> wrote: >> >>> First post to mesa lists... hopefully this is the right place for this >>> question: >>> >>> The ability to icorporate custom GLSL shaders was recently added to >>> VTK. >>> However, our tests of this fail when VTK is linked using mesa >>> apparently >>> because there is no glIsProgram symbol. We use an OpenGL extensions >>> manager object to query for it and it's not there. Are we doing >>> something wrong or is there something missing from mesa?? >>> >> >> >> GL_ARB_shader_objects extension does not define glIsProgram function. >> To check if a given program handle is valid, simply test it against 0. > > > David, are you clear on the difference between "programs" and > "shaders" and the various extensions for them? > > OpenGL 2.0 defines both glIsProgram() and glIsShader(). But neither > is in Mesa since Mesa isn't at the 2.0 level yet. > > -Brian > ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Mesa3d-dev mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mesa3d-dev
