From 4e0cf0d21ad33d8b5370f7fecd8310ee901f858f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Branimir=20Karad=C5=BEi=C4=87?= <branimirkaradzic@gmail.com>
Date: Wed, 9 May 2018 14:53:34 -0700
Subject: [PATCH] Cleanup.

---
 src/renderer_mtl.mm | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/renderer_mtl.mm b/src/renderer_mtl.mm
index fbf15f0b4..052a87a20 100644
--- a/src/renderer_mtl.mm
+++ b/src/renderer_mtl.mm
@@ -3811,15 +3811,18 @@ namespace bgfx { namespace mtl
 
 						RenderPipelineState pso = NULL;
 
-						pso = getPipelineState(
-							  newFlags
-							, draw.m_rgba
-							, fbh
-							, numStreams
-							, decls
-							, programIdx
-							, draw.m_instanceDataStride/16
-							);
+						if (0 < numStreams)
+						{
+							pso = getPipelineState(
+								  newFlags
+								, draw.m_rgba
+								, fbh
+								, numStreams
+								, decls
+								, programIdx
+								, draw.m_instanceDataStride/16
+								);
+						}
 
 						if (NULL == pso)
 						{