-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Wu, Nian wrote: > I read the Mesa code, it has define the glClampColorARB function and > other constant variables. In main/blend.c's _mesa_init_color function, > it initializes ctx->Color.ClampReadColor to GL_FIXED_ONLY_ARB. > It seems Mesa have implemented the extension GL_ARB_color_buffer_float, > but I can not use the function ClampColorARB(enum target, enum clamp); > and "glxinfo" also does not report this extension. > What is the status of this extension?
SGI owns a patent on floating point framebuffers. Therefore, I don't expect them to be supported by Mesa. This is also the reason that IBM voted against their inclusion in OpenGL 2.1. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFF+WNVX1gOwKyEAw8RAmHBAJ4nLIq+fpdwRJ/l9Ri9kyCx9cN9mACeKeRy 0n8jx7sc2vPlY9MIvUfTwPI= =w2Jc -----END PGP SIGNATURE----- ------------------------------------------------------------------------- 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
