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Am 31.01.2011 um 15:57 schrieb Henri Verbeet: > On 31 January 2011 15:45, Stefan Dösinger <stefandoesin...@gmx.at> wrote: >> >> If we change the shader code to write gl_ClipVertex and result.clip before >> applying the y inversion then we should be able to avoid this. That should >> also make it more compatible to fixed function vertex processing - here the >> clipping is performed before the projection matrix is applied. > > Wouldn't it still have to be after the half-pixel offset is applied though? That's what I am not sure about, but my gut feeling says no. In the ffp pipeline clipping wrt user clip planes is done in eye coordinates, so the half pixel offset should have no effect on it. I see no reason why it shouldn't work with shaders in the same way. -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.17 (Darwin) iQIcBAEBAgAGBQJNRtD8AAoJEN0/YqbEcdMwVOUP/1x8ZB6vutkspZU2fhspi1tE s+b1drKBfHMu3LxswKwo/tA+xB/3h+qyKLuo6GT0kqQ+kF4IbFE3No1oX//baRDn 9eWYke1dz/Q0Jh6K1dA72moptYvbpplgvjr4/8bnBCFGChkbQsaK2O0o6zxFtIXc yeTxB+oymu0tNxLXzJn+nrOT3qMp1yN9c/MX7crK7O0B56RAUTTg8P4i2Zz4r9L8 WBHQ8sGGBtpeN9lf65MZeJNZvchLrWsJjq5iDvGxl1vRVuEsMzMEM7xqosOeQgul dFlYQFRTNxQk0XCdprq2jIdc/HiZANjvXO7U0eBiV6Orjo91Rbjtg2UCr43Q3hQH wdtoXYyPRbCuvttEpnQBg6vg/UegTGIqKNl2QynN/wFocoJ/2FX+aNC49KGnrhEj RzUCPuLuQ4y2DqX5zqggnbmrFPHke2Gbz4RJZy085X+FbKGpWen3o+iZCK2rX294 8nrlfO1JEGu2Gay+gqUJUQFUhdI1DRr0i5c+Lw7sLztqTZDeGt4/Al+wEDmkS1XA lRJVdOtib+BtBzXB2k9H5vawJt2xmqxSmMfjBu7tvkdoINISmDRNHZoow/Io2sid P2ZYNXt1AFnRFrvtC5CMLkTYEqMhh5/mcAzrmsVVD8WR4mwAR8dGUMCH17R3+C3L P9sP1J5E/M1B9Yx5YV8M =gL/E -----END PGP SIGNATURE-----
