From 9b18e2b3e87200251b849c813a26be2fa05f1656 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Mon, 19 Nov 2012 12:12:34 +0100
Subject: [PATCH] Don't issue draw call if there is nothing to draw.

---
 src/IndexedMesh.cpp | 2 ++
 src/Mesh.cpp        | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/IndexedMesh.cpp b/src/IndexedMesh.cpp
index 4ef22584d..b64885fae 100644
--- a/src/IndexedMesh.cpp
+++ b/src/IndexedMesh.cpp
@@ -33,6 +33,8 @@ IndexedMesh* IndexedMesh::setIndexBuffer(Buffer* buffer) {
 }
 
 void IndexedMesh::draw() {
+    if(!_indexCount) return;
+
     bind();
 
     /** @todo Start at given index */
diff --git a/src/Mesh.cpp b/src/Mesh.cpp
index 4cb19a549..93ff6917e 100644
--- a/src/Mesh.cpp
+++ b/src/Mesh.cpp
@@ -90,6 +90,8 @@ Mesh* Mesh::setVertexCount(GLsizei vertexCount) {
 }
 
 void Mesh::draw() {
+    if(!_vertexCount) return;
+
     bind();
 
     /** @todo Start at given index */