From d3ca8a4eddcecced82a41201cf59a732f0b8e18b Mon Sep 17 00:00:00 2001
From: Marek Olšák <maraeo@gmail.com>
Date: Fri, 3 Sep 2010 21:43:36 +0200
Subject: r300g: skip draw calls with no vertex elements, fixing hardlocks

---
 src/gallium/drivers/r300/r300_render.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c
index 20bad2c56f..50c6ef37b9 100644
--- a/src/gallium/drivers/r300/r300_render.c
+++ b/src/gallium/drivers/r300/r300_render.c
@@ -617,6 +617,9 @@ static void r300_draw_vbo(struct pipe_context* pipe,
 {
     struct r300_context* r300 = r300_context(pipe);
 
+    if (!r300->velems->count || !r300->vertex_buffer_count)
+	    return;
+
     if (info->indexed && r300->index_buffer.buffer) {
         unsigned offset;
 
-- 
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