On Fri, Jul 12, 2002 at 03:55:02PM -0400, Leif Delgass wrote: [...] > > Well, I added these offsets: > > SUBPIXEL_X 0.0125 > SUBPIXEL_Y 0.15 > > ...and that's enough to make every glean test pass except polygonOffset > (and texEnv, but that one's due to non-conformant hardware). However, I > still see gaps in e.g. the Mesa tunnel demo and the lament xscreensaver > hack (and probably lots of other places). The lines in Allen's stipple > test now always overlap exactly. Jose, I think your changes reduced the > offset necessary, but it does need a small offset to pass the tests. > Actually I think the line tests start working at a smaller offset than > some of the other tests.
I found it strange that it requires such values of offset, especially the 0.15. Could it be that we are doing the rounding wrong somewhere? > > I checked in some other changes as well, one of which was to put the > primitive type defines in the drm header and common header. We have the > vertsize in the SAREA, and between that and the primitive list, I think > the drm should be able to figure out how to add commands to the vertex > buffers. As you say, we can use send fewer vertices to the card by > implementing primitive strips. I just made the defines mirror the GL > primitive defines, but we could reduce them to just the ones we'll > implement. > > One other thing: I noticed you were supporting line/point size in the new > primitive functions, so I removed the code from mach64_context.c that was > overwriting the Mesa defaults with a max size/width of 1. However, for > large, unaliased points, we need to have points implemented as quads > instead of triangles (try drawing a 10 pixel point and compare it to > indirect). It's being done as a quad, so there must be a bug somewhere. At the time I didn't manage to test bigger points - now I know why! > > Oh, I also fixed polygon stippling to work as a software fallback. > José Fonseca ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Gadgets, caffeine, t-shirts, fun stuff. http://thinkgeek.com/sf _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
