Mesa (master): cso: add a couple sanity check assertions in cso_draw_vbo()

[Brian Paul]

Module: Mesa
Branch: master
Commit: b03ade55b9fbb48b87123b2bd34a6c24ceb2b5b1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b03ade55b9fbb48b87123b2bd34a6c24ceb2b5b1

Author: Brian Paul <brianp at vmware.com>
Date:   Tue Feb  6 15:33:37 2018 -0700

cso: add a couple sanity check assertions in cso_draw_vbo()

Reviewed-by: Roland Scheidegger <sroland at vmware.com>

---

 src/gallium/auxiliary/cso_cache/cso_context.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/auxiliary/cso_cache/cso_context.c b/src/gallium/auxiliary/cso_cache/cso_context.c
index dd9821e828..1b5d4b5598 100644
--- a/src/gallium/auxiliary/cso_cache/cso_context.c
+++ b/src/gallium/auxiliary/cso_cache/cso_context.c
@@ -1686,6 +1686,12 @@ cso_draw_vbo(struct cso_context *cso,
 {
    struct u_vbuf *vbuf = cso->vbuf;
 
+   /* We can't have both indirect drawing and SO-vertex-count drawing */
+   assert(info->indirect == NULL || info->count_from_stream_output == NULL);
+
+   /* We can't have SO-vertex-count drawing with an index buffer */
+   assert(info->count_from_stream_output == NULL || info->index_size == 0);
+
    if (vbuf) {
       u_vbuf_draw_vbo(vbuf, info);
    } else {