Fix memory leak in opengl integration example

2 files changed, 4 insertions, 1 deletions

diff --git a/examples/integration_opengl/src/main.rs b/examples/integration_opengl/src/main.rs
index 3b63f22e..551aba67 100644
--- a/examples/integration_opengl/src/main.rs
+++ b/examples/integration_opengl/src/main.rs
@@ -73,8 +73,9 @@ pub fn main() {
     );
     let mut resized = false;
 
+    let scene = Scene::new(&gl, &shader_version);
+
     event_loop.run(move |event, _, control_flow| {
-        let scene = Scene::new(&gl, &shader_version);
         *control_flow = ControlFlow::Wait;
 
         match event {
diff --git a/examples/integration_opengl/src/scene.rs b/examples/integration_opengl/src/scene.rs
index ccca0d29..a1245bf2 100644
--- a/examples/integration_opengl/src/scene.rs
+++ b/examples/integration_opengl/src/scene.rs
@@ -86,6 +86,8 @@ impl Scene {
 
     pub fn draw(&self, gl: &glow::Context) {
         unsafe {
+            gl.bind_vertex_array(Some(self.vertex_array));
+            gl.use_program(Some(self.program));
             gl.draw_arrays(glow::TRIANGLES, 0, 3);
         }
     }