Hi, On Saturday, October 25, 2014 09:41:02 Mathias Fröhlich wrote: > Also interrestingly softpipe does not fail either. > Probably nvc0 and softpipe are clipping based on the final depth buffer > values in [0, 1] instead of the clip space z values either in [-1, 1] > or [0, 1] depending on clip control depth state? > The unclipped NV_depth_buffer_float extension would have made this much > more sensitive to what is clipped exactly when. > Without the unclipped depth buffer values from NV_... I would think it's not > important which of the above variants is taken for clipping or clamping. Actually that's not quite true what I said. I think that only holds if near and far occupy the whole depth buffer range. If the near far range is smaller this is different.
Mathias _______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
