From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 29 Oct 2019 22:02:51 +0000 (+0200)
Subject: Require vertex arrays to have a buffer when adding them to VertexSetup
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=fd18332856ddd03f79a54dd034d53cb0a384335d

Require vertex arrays to have a buffer when adding them to VertexSetup
---

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);