diff -r fe094d0687ad -r c27612f0eac0 src/gl/common.h
--- a/src/gl/common.h	Wed Jun 22 23:51:06 2022 +0300
+++ b/src/gl/common.h	Sun Jun 26 19:44:45 2022 +0300
@@ -20,10 +20,10 @@
 #include <QWidget>
 #include <QColor>
 #include <QOpenGLBuffer>
-#include <QOpenGLFunctions>
 #include <QOpenGLShader>
 #include <QOpenGLShaderProgram>
 #include <QOpenGLVertexArrayObject>
+#include <QOpenGLFunctions>
 #include <glm/gtc/type_ptr.hpp>
 #include "basics.h"
 #include "colors.h"
@@ -47,6 +47,8 @@
 	}
 };
 
+QOpenGLFunctions& glfunc();
+
 namespace gl
 {
 	class ShaderProgram;
@@ -84,8 +86,6 @@
 	}
 };
 
-extern QOpenGLFunctions glfunc;
-
 namespace gl
 {
 	// Different ways to render the scene