3 files changed, 15 insertions, 5 deletions
diff --git a/src/gallium/drivers/nouveau/nouveau_gldefs.h b/src/gallium/drivers/nouveau/nouveau_gldefs.h
index e1015c93a27..ff97aaa9af0 100644
--- a/src/gallium/drivers/nouveau/nouveau_gldefs.h
+++ b/src/gallium/drivers/nouveau/nouveau_gldefs.h
@@ -189,7 +189,7 @@ nvgl_primitive(unsigned prim) {
 	case PIPE_PRIM_POLYGON:
 		return 0x000a;
 	default:
-		return 0x0001;
+		return 0;
 	}
 }
 
diff --git a/src/gallium/drivers/nv10/nv10_prim_vbuf.c b/src/gallium/drivers/nv10/nv10_prim_vbuf.c
index 62a8f6d89da..e7e81d3dff8 100644
--- a/src/gallium/drivers/nv10/nv10_prim_vbuf.c
+++ b/src/gallium/drivers/nv10/nv10_prim_vbuf.c
@@ -121,12 +121,17 @@ nv10_vbuf_render_allocate_vertices( struct vbuf_render *render,
 }
 
 
-static void 
+static boolean
 nv10_vbuf_render_set_primitive( struct vbuf_render *render, 
 		unsigned prim )
 {
 	struct nv10_vbuf_render *nv10_render = nv10_vbuf_render(render);
-	nv10_render->hwprim = prim + 1;
+	unsigned hwp = nvgl_primitive(prim);
+	if (hwp == 0)
+		return FALSE;
+
+	nv10_render->hwprim = hwp;
+	return TRUE;
 }
 
 
diff --git a/src/gallium/drivers/nv20/nv20_prim_vbuf.c b/src/gallium/drivers/nv20/nv20_prim_vbuf.c
index a040d89a468..fd9cad177a2 100644
--- a/src/gallium/drivers/nv20/nv20_prim_vbuf.c
+++ b/src/gallium/drivers/nv20/nv20_prim_vbuf.c
@@ -146,12 +146,17 @@ nv20_vbuf_render_allocate_vertices( struct vbuf_render *render,
 	return buf;
 }
 
-static void
+static boolean
 nv20_vbuf_render_set_primitive( struct vbuf_render *render, 
 		unsigned prim )
 {
 	struct nv20_vbuf_render *nv20_render = nv20_vbuf_render(render);
-	nv20_render->hwprim = nvgl_primitive(prim);
+	unsigned hwp = nvgl_primitive(prim);
+	if (hwp == 0)
+		return FALSE;
+
+	nv20_render->hwprim = hwp;
+	return TRUE;
 }
 
 static uint32_t