nouveau: don't try to use push_data if it's not implemented

diff --git a/src/gallium/drivers/nouveau/nouveau_buffer.c b/src/gallium/drivers/nouveau/nouveau_buffer.c
index fdeeee538695407ce4a0a4314a489461db5215b0..0c3d43b46559cdc74bd5774599eb3cf56d5eb6fc 100644 (file)
--- a/src/gallium/drivers/nouveau/nouveau_buffer.c
+++ b/src/gallium/drivers/nouveau/nouveau_buffer.c
@@ -124,6 +124,9 @@ nouveau_transfer_staging(struct nouveau_context *nv,
    const unsigned adj = tx->base.box.x & NOUVEAU_MIN_BUFFER_MAP_ALIGN_MASK;
    const unsigned size = align(tx->base.box.width, 4) + adj;
 
+   if (!nv->push_data)
+      permit_pb = FALSE;
+
    if ((size <= NOUVEAU_TRANSFER_PUSHBUF_THRESHOLD) && permit_pb) {
       tx->map = align_malloc(size, NOUVEAU_MIN_BUFFER_MAP_ALIGN);
       if (tx->map)