diff options
| -rw-r--r-- | src/gallium/drivers/nouveau/nvc0/nvc0_program.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_program.c b/src/gallium/drivers/nouveau/nvc0/nvc0_program.c index 65f89dc380d..4177d8dc37c 100644 --- a/src/gallium/drivers/nouveau/nvc0/nvc0_program.c +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_program.c @@ -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: |