nv30: fix emulated vertex index buffers

We ended up applying the offset twice. Quite embarrassing.

This fixes a bunch of vertex shader related issues like the gnome desktop
is less broken and probably a lot of other applications.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5061
Cc: mesa-stable
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12054>
This commit is contained in:
Karol Herbst 2021-07-25 02:10:29 +02:00 committed by Marge Bot
parent 0497588eac
commit 1387d1d411

View File

@ -514,9 +514,9 @@ nv30_draw_elements(struct nv30_context *nv30, bool shorten,
if (!info->has_user_indices)
data = nouveau_resource_map_offset(&nv30->base,
nv04_resource(info->index.resource),
start * index_size, NOUVEAU_BO_RD);
0, NOUVEAU_BO_RD);
else
data = (char*)info->index.user + start * index_size;
data = info->index.user;
if (!data)
return;