我只是偶然发现了这个小恼人的行为,同时在示例程序中添加了全屏支持。DirectX11 Swapchain和窗口失去全屏状态
创建一个全屏窗口可以工作,但只要我在包含全屏窗口的输出中移动任何窗口(来自另一个应用程序),窗口就会自动切换回窗口。
有什么办法来防止这种行为(所以全屏窗口不会回到窗口)?
作为参考,这是一个小的独立示例(因此可以轻松地复制问题)。
此外,如果这是有用的,我在Windows 8.1上运行。
我已经试图改变WindowAssociationFlags和SwapChainFlags,都没有成功,像使用的,而不是丢弃FlipSequential
SharpDX.DXGI.Factory2 factory = new SharpDX.DXGI.Factory2();
SharpDX.DXGI.Adapter adapter = factory.GetAdapter(0);
var renderForm1 = new RenderForm("Form 1");
factory.MakeWindowAssociation(renderForm1.Handle, SharpDX.DXGI.WindowAssociationFlags.IgnoreAll);
Device device = new Device(adapter, DeviceCreationFlags.BgraSupport);
SharpDX.DXGI.SwapChainDescription sd = new SharpDX.DXGI.SwapChainDescription()
{
BufferCount = 2,
ModeDescription = new SharpDX.DXGI.ModeDescription(0, 0, new SharpDX.DXGI.Rational(50, 1), SharpDX.DXGI.Format.R8G8B8A8_UNorm),
IsWindowed = true,
OutputHandle = renderForm1.Handle,
SampleDescription = new SharpDX.DXGI.SampleDescription(1,0),
SwapEffect = SharpDX.DXGI.SwapEffect.Discard,
Usage = SharpDX.DXGI.Usage.RenderTargetOutput,
Flags = SharpDX.DXGI.SwapChainFlags.None
};
var swapChain1 = new SharpDX.DXGI.SwapChain(factory, device, sd);
renderForm1.Left = 1922; //Just hardcoded here to move window to second screen
renderForm1.Width = 1920;
renderForm1.Height = 1080;
renderForm1.FormBorderStyle = FormBorderStyle.None;
swapChain1.SetFullscreenState(true, null);
swapChain1.ResizeBuffers(2, 1920, 1080, SharpDX.DXGI.Format.R8G8B8A8_UNorm, SharpDX.DXGI.SwapChainFlags.AllowModeSwitch);
var resource = Texture2D.FromSwapChain<Texture2D>(swapChain1, 0);
var renderView = new RenderTargetView(device, resource);
RenderLoop.Run(renderForm1,() =>
{
device.ImmediateContext.ClearRenderTargetView(renderView, new SharpDX.Color4(1, 0, 0, 1));
swapChain1.Present(1, SharpDX.DXGI.PresentFlags.None);
});
编辑: 我也尝试了C++的样品(刚刚拍摄的DirectX11基础教程微软和添加全屏切换),这导致了相同的行为,所以这不是SharpDX的特定问题。
我查看了消息循环,一旦发生这种情况,第一个全屏模式将变回窗口状态,并且我收到一条WM_DISPLAYCHANGE消息)。
感谢您的好奇心(思考windows8.1或windows 10),你会遇到同样的行为使用DirectX9全屏(不是我打算回滚到它,但好奇它)吗? – catflier
我认为在模拟Direct3D 9全屏模式方面存在一些怪癖 - 请记住,“丢失的设备”方案在Windows Vista +上并不存在,因此此行为也被模拟 - 但我相信它基本上同样的情况。 –
默认情况下,在dx9中它实际上更糟糕,因为只要它失去了焦点,它就会隐藏自身,但至少它可以很容易被欺骗,所以现在似乎唯一的方法将是共享资源回到它... – catflier