From: Marek Olšák <maraeo@gmail.com>
Date: Fri, 3 Sep 2010 19:43:36 +0000 (+0200)
Subject: r300g: skip draw calls with no vertex elements, fixing hardlocks
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d3ca8a4eddcecced82a41201cf59a732f0b8e18b;p=mesa.git

r300g: skip draw calls with no vertex elements, fixing hardlocks
---

diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c
index 20bad2c56f5..50c6ef37b90 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;