Don't call OpenGL functions until there's a context.

ago%!(EXTRA string=13 years) · 06700e62bf
parent 3f34b091b8
commit 06700e62bf
1 changed files with 5 additions and 2 deletions
--- a/tests/events.c
+++ b/tests/events.c
@ -242,8 +242,11 @@ static void window_refresh_callback(GLFWwindow window)
 {
    printf("%08x at %0.3f: Window refresh\n", counter++, glfwGetTime());
-    glClear(GL_COLOR_BUFFER_BIT);
+    if (glfwGetCurrentContext())
-    glfwSwapBuffers(window);
+    {
        glClear(GL_COLOR_BUFFER_BIT);
        glfwSwapBuffers(window);
    }
 }
 static void window_focus_callback(GLFWwindow window, int activated)