From 67f22642d636861f90a016077c9387b7b8397414 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 29 Oct 2019 02:04:37 +0200
Subject: [PATCH] Add sanity checks to bind functions

---
 source/framebuffer.cpp | 3 +++
 source/vertexsetup.cpp | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/source/framebuffer.cpp b/source/framebuffer.cpp
index cf478ce2..f402b643 100644
--- a/source/framebuffer.cpp
+++ b/source/framebuffer.cpp
@@ -355,6 +355,9 @@ void Framebuffer::blit_from(const Framebuffer &other, BufferBits bits, bool filt
 
 void Framebuffer::bind() const
 {
+	if(attachments.empty())
+		throw invalid_operation("Framebuffer::bind");
+
 	if(set_current(this))
 	{
 		glBindFramebuffer(GL_FRAMEBUFFER, id);
diff --git a/source/vertexsetup.cpp b/source/vertexsetup.cpp
index 8465ab06..53f82569 100644
--- a/source/vertexsetup.cpp
+++ b/source/vertexsetup.cpp
@@ -6,6 +6,7 @@
 #include <msp/gl/extensions/arb_vertex_buffer_object.h>
 #include <msp/gl/extensions/arb_vertex_shader.h>
 #include "buffer.h"
+#include "error.h"
 #include "gl.h"
 #include "vertexarray.h"
 #include "vertexsetup.h"
@@ -124,6 +125,9 @@ void VertexSetup::update_vertex_array(const VertexArray &array, unsigned binding
 
 void VertexSetup::bind() const
 {
+	if(!vertex_array || !index_buffer)
+		throw invalid_operation("VertexSetup::bind");
+
 	if(set_current(this))
 	{
 		glBindVertexArray(id);
-- 
2.45.2