From 32fc4dada20a88a33e165e37e7df6734b7099dd7 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Tue, 26 Jan 2021 00:35:10 -0500
Subject: [PATCH] gallium/u_vbuf: skip non-indirect draws with 0 vertices
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Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Zoltán Böszörményi <zboszor@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8770>
---
 src/gallium/auxiliary/util/u_vbuf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/auxiliary/util/u_vbuf.c b/src/gallium/auxiliary/util/u_vbuf.c
index 4775591..6f4e912 100644
--- a/src/gallium/auxiliary/util/u_vbuf.c
+++ b/src/gallium/auxiliary/util/u_vbuf.c
@@ -1490,6 +1490,9 @@ void u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info,
          if (new_draw.start == ~0u || !new_draw.count || !new_info.instance_count)
             goto cleanup;
       }
+   } else {
+      if ((!indirect && !new_draw.count) || !new_info.instance_count)
+         goto cleanup;
    }
 
    if (new_info.index_size) {
-- 
2.7.4