fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-05 05:18:08 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

nv50: handle VP without inputs

Browse source
This commit is contained in:
Marcin Slusarz 2012-05-07 14:05:35 +02:00 • committed by Christoph Bumiller
parent c19672f90a
commit ecc7e5e85b
1 changed files with 11 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
src/gallium/drivers/nv50/nv50_program.c
View file

@ -68,6 +68,17 @@ nv50_vertprog_assign_slots(struct nv50_ir_prog_info *info)
break;
}
}
/*
* Corner case: VP has no inputs, but we will still need to submit data to
* draw it. HW will shout at us and won't draw anything if we don't enable
* any input, so let's just pretend it's the first one.
*/
if (prog->vp.attrs[0] == 0 &&
prog->vp.attrs[1] == 0 &&
prog->vp.attrs[2] == 0)
prog->vp.attrs[0] |= 0xf;
/* VertexID before InstanceID */
if (info->io.vertexId < info->numSysVals)
info->sv[info->io.vertexId].slot[0] = n++;