private void DestroyImpl()
{
// Manually update back buffer texture
backBuffer.OnDestroyed();
backBuffer.LifetimeState = GraphicsResourceLifetimeState.Destroyed;
swapChain.Dispose();
swapChain = null;
}
protected internal override void OnDestroyed()
{
// Manually update back buffer texture
backBuffer.OnDestroyed();
backBuffer.LifetimeState = GraphicsResourceLifetimeState.Destroyed;
swapChain.Dispose();
swapChain = null;
base.OnDestroyed();
}
protected override void ResizeBackBuffer(int width, int height, PixelFormat format)
{
graphicsDevice.OnDestroyed();
startingPresentationParameters.BackBufferWidth = width;
startingPresentationParameters.BackBufferHeight = height;
graphicsDevice.InitDefaultRenderTarget(startingPresentationParameters);
var newTextureDescrition = backBuffer.Description;
newTextureDescrition.Width = width;
newTextureDescrition.Height = height;
// Manually update the texture
backBuffer.OnDestroyed();
// Put it in our back buffer texture
backBuffer.InitializeFrom(newTextureDescrition);
}
private unsafe void DestroySwapchain()
{
if (swapChain == Swapchain.Null)
{
return;
}
GraphicsDevice.NativeDevice.WaitIdle();
backbuffer.OnDestroyed();
foreach (var swapchainImage in swapchainImages)
{
GraphicsDevice.NativeDevice.DestroyImageView(swapchainImage.NativeColorAttachmentView);
}
swapchainImages = null;
GraphicsDevice.NativeDevice.DestroySwapchain(swapChain);
swapChain = Swapchain.Null;
}