X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fvertexsetup.cpp;fp=source%2Fvertexsetup.cpp;h=7cfc1b6d99499c34ba3831f63495cc109921dba5;hb=fd18332856ddd03f79a54dd034d53cb0a384335d;hp=2a3b2f1a7d920aa5a5a1200dd4df646ca1d195c6;hpb=22f0f95981f17524587f5f2c5e3e91005240ddb7;p=libs%2Fgl.git

diff --git a/source/vertexsetup.cpp b/source/vertexsetup.cpp
index 2a3b2f1a..7cfc1b6d 100644
--- a/source/vertexsetup.cpp
+++ b/source/vertexsetup.cpp
@@ -11,6 +11,8 @@
 #include "vertexarray.h"
 #include "vertexsetup.h"
 
+using namespace std;
+
 namespace Msp {
 namespace GL {
 
@@ -36,6 +38,9 @@ VertexSetup::~VertexSetup()
 
 void VertexSetup::set_vertex_array(const VertexArray &a)
 {
+	if(!a.get_buffer())
+		throw invalid_argument("VertexSetup::set_vertex_array");
+
 	vertex_array = &a;
 	update(VERTEX_ARRAY);
 }
@@ -43,7 +48,12 @@ void VertexSetup::set_vertex_array(const VertexArray &a)
 void VertexSetup::set_instance_array(const VertexArray *a)
 {
 	if(a)
+	{
+		if(!a->get_buffer())
+			throw invalid_argument("VertexSetup::set_instance_array");
+
 		static Require req(ARB_instanced_arrays);
+	}
 
 	inst_array = a;
 	update(INSTANCE_ARRAY);