On Fri, Jul 25, 2014 at 9:45 PM, Marek Olšák <mar...@gmail.com> wrote: > On Sat, Jul 26, 2014 at 3:36 AM, Ilia Mirkin <imir...@alum.mit.edu> wrote: >> On Fri, Jul 25, 2014 at 9:30 PM, Marek Olšák <mar...@gmail.com> wrote: >>> From: Marek Olšák <marek.ol...@amd.com> >>> >>> This is needed by the following commit which is a candidate for stable too. >>> >>> Cc: mesa-sta...@lists.freedesktop.org >>> --- >>> src/gallium/auxiliary/util/u_prim.h | 15 +++++++++++++++ >>> 1 file changed, 15 insertions(+) >>> >>> diff --git a/src/gallium/auxiliary/util/u_prim.h >>> b/src/gallium/auxiliary/util/u_prim.h >>> index fd95c0b..cf1a18f 100644 >>> --- a/src/gallium/auxiliary/util/u_prim.h >>> +++ b/src/gallium/auxiliary/util/u_prim.h >>> @@ -136,6 +136,21 @@ u_prim_vertex_count(unsigned prim) >>> return (likely(prim < PIPE_PRIM_MAX)) ? &prim_table[prim] : NULL; >>> } >>> >>> +/** >>> + * Given a vertex count, return the number of primitives. >>> + * For polygons, return the number of triangles. >>> + */ >>> +static INLINE unsigned >>> +u_prims_for_vertices(unsigned prim, unsigned num) >> >> This isn't an issue yet, but with PATCH primitives, the number of >> vertices per primitive will be variable. (I guess it depends on the >> stage you're at...) In my patches, I'm passing the number of patch >> vertices via pipe_draw_info -- perhaps it would make sense to just >> take that as an argument? > > I'm not really sure. I think tessellation is unrelated to the bug I'm > fixing in the following patch.
OK. I just took a look at the rest of u_prim.h and it looks like patch primitives are not really compatible with what it's trying to do. So you can probably ignore my comment. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
