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nvc0: fix setting of tess_mode in various situations

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This fixes a lot of INVALID_VALUE errors reported by the card when
running dEQP tests.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "11.1 11.2" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Ilia Mirkin 2016-05-21 16:16:50 -04:00
parent d6edae7090
commit 9f19ccff9c
1 changed files with 14 additions and 4 deletions
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18
src/gallium/drivers/nouveau/nvc0/nvc0_program.c
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@ -294,11 +294,21 @@ nvc0_tp_get_tess_mode(struct nvc0_program *tp, struct nv50_ir_prog_info *info)
return;
}
if (info->prop.tp.winding > 0)
tp->tp.tess_mode |= NVC0_3D_TESS_MODE_CW;
/* It seems like lines want the "CW" bit to indicate they're connected, and
* spit out errors in dmesg when the "CONNECTED" bit is set.
*/
if (info->prop.tp.outputPrim != PIPE_PRIM_POINTS) {
if (info->prop.tp.domain == PIPE_PRIM_LINES)
tp->tp.tess_mode |= NVC0_3D_TESS_MODE_CW;
else
tp->tp.tess_mode |= NVC0_3D_TESS_MODE_CONNECTED;
}
if (info->prop.tp.outputPrim != PIPE_PRIM_POINTS)
tp->tp.tess_mode |= NVC0_3D_TESS_MODE_CONNECTED;
/* Winding only matters for triangles/quads, not lines. */
if (info->prop.tp.domain != PIPE_PRIM_LINES &&
info->prop.tp.outputPrim != PIPE_PRIM_POINTS &&
info->prop.tp.winding > 0)
tp->tp.tess_mode |= NVC0_3D_TESS_MODE_CW;
switch (info->prop.tp.partitioning) {
case PIPE_TESS_SPACING_EQUAL: