From: Alex Deucher <alexdeucher@gmail.com>
Date: Mon, 27 Jul 2009 06:25:24 +0000 (-0400)
Subject: r600: don't draw when num indices is 0
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7e6819f8430e77012d6cd9278cabaf1d4238117a;p=mesa.git

r600: don't draw when num indices is 0

fixes engine demo
---

diff --git a/src/mesa/drivers/dri/r600/r700_render.c b/src/mesa/drivers/dri/r600/r700_render.c
index 0a5e0415479..5a2bf84b59e 100644
--- a/src/mesa/drivers/dri/r600/r700_render.c
+++ b/src/mesa/drivers/dri/r600/r700_render.c
@@ -342,6 +342,9 @@ static GLboolean r700RunRender(GLcontext * ctx,
         unsigned int VGT_PRIMITIVE_TYPE = 0;
         unsigned int VGT_NUM_INDICES    = 0;
 
+	if (numIndices < 1)
+		continue;
+
         numEntires =   3 /* VGT_PRIMITIVE_TYPE */
 		     + 2 /* VGT_INDEX_TYPE */
 		     + 2 /* NUM_INSTANCES */