private void Poll()
{
GLFW.PollEvents();
// check for closing windows
for (int i = windowPointers.Count - 1; i >= 0; i--)
{
if (GLFW.WindowShouldClose(windowPointers[i]))
{
// see if we have a GLFW_Window associated
if (glfwWindows.TryGetValue(windowPointers[i], out var window))
{
input.StopListening(window.pointer);
glfwWindows.Remove(window.pointer);
window.InvokeCloseWindowCallback();
}
// remove OpenGL context
if (App.Graphics is IGraphicsOpenGL)
{
glContexts.Remove(windowPointers[i]);
}
// remove Vulkan Surface
else if (App.Graphics is IGraphicsVulkan vkGraphics)
{
var vkInstance = vkGraphics.GetVulkanInstancePointer();
if (vkDestroySurfaceKHR == null)
{
var ptr = GetVKProcAddress(vkInstance, "vkDestroySurfaceKHR");
if (ptr != null)
{
vkDestroySurfaceKHR = (VkDestroySurfaceKHR)Marshal.GetDelegateForFunctionPointer(ptr, typeof(VkDestroySurfaceKHR));
}
}
vkDestroySurfaceKHR?.Invoke(vkInstance, vkSurfaces[windowPointers[i]], IntPtr.Zero);
vkSurfaces.Remove(windowPointers[i]);
}
GLFW.DestroyWindow(windowPointers[i]);
windowPointers.RemoveAt(i);
}
}
}