deactivate shader after draw

src/render/depth_simulator.cpp

@@ -48,5 +48,6 @@ void DepthSimulator::render_pose(const QuaternionPose &object_pose,
   model.pose = object_pose;
   depth_shader.activate();
   model.draw(depth_shader);
+  depth_shader.deactivate();
 }
 } // namespace scigl_render
\ No newline at end of file