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

This commit is contained in:
Camilla Berglund 2012-08-19 02:21:47 +02:00
parent 3f34b091b8
commit 06700e62bf

View File

@ -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);
glfwSwapBuffers(window);
if (glfwGetCurrentContext())
{
glClear(GL_COLOR_BUFFER_BIT);
glfwSwapBuffers(window);
}
}
static void window_focus_callback(GLFWwindow window, int activated)