void resize()
{
if (renderView == null)//first show
{
var dxgiFactory = device.QueryInterface <IDXGIDevice>().GetParent <IDXGIAdapter>().GetParent <IDXGIFactory>();
var swapchainDesc = new SwapChainDescription()
{
BufferCount = 1,
BufferDescription = new ModeDescription(Win32Window.Width, Win32Window.Height, format),
IsWindowed = true,
OutputWindow = Win32Window.Handle,
SampleDescription = new SampleDescription(1, 0),
SwapEffect = SwapEffect.Discard,
Usage = Vortice.DXGI.Usage.RenderTargetOutput
};
swapChain = dxgiFactory.CreateSwapChain(device, swapchainDesc);
dxgiFactory.MakeWindowAssociation(Win32Window.Handle, WindowAssociationFlags.IgnoreAll);
backBuffer = swapChain.GetBuffer <ID3D11Texture2D>(0);
renderView = device.CreateRenderTargetView(backBuffer);
}
else
{
renderView.Dispose();
backBuffer.Dispose();
swapChain.ResizeBuffers(1, Win32Window.Width, Win32Window.Height, format, SwapChainFlags.None);
backBuffer = swapChain.GetBuffer <ID3D11Texture2D1>(0);
renderView = device.CreateRenderTargetView(backBuffer);
}
}
private void CreateSwapChainForDesktop()
{
ModeDescription BackBufferDesc = new ModeDescription()
{
Width = Description.BackBufferWidth,
Height = Description.BackBufferHeight,
Format = Format.R8G8B8A8_UNorm,
RefreshRate = new Rational()
{
Numerator = 60,
Denominator = 1
},
ScanlineOrdering = ModeScanlineOrder.Unspecified,
Scaling = ModeScaling.Unspecified,
};
SampleDescription sampleDescription = new SampleDescription()
{
Count = 1,
Quality = 0
};
SwapChainFlags Flags = Description.Settings.Fullscreen ? SwapChainFlags.None : SwapChainFlags.AllowModeSwitch;
SwapChainDescription swapChainDesc = new SwapChainDescription() // Initialize the swap chain description.
{
BufferCount = bufferCount, // Set to a single back buffer.
BufferDescription = BackBufferDesc, // Set the width and height of the back buffer.
Usage = Usage.Backbuffer | Usage.RenderTargetOutput, // Set the usage of the back buffer.
OutputWindow = Description.DeviceHandle, // Set the handle for the window to render to.
SampleDescription = sampleDescription, // Turn multisampling off.
IsWindowed = true, // Set to full screen or windowed mode.
Flags = Flags, // Don't set the advanced flags.
SwapEffect = SwapEffect.FlipDiscard, // Discard the back buffer content after presenting.
};
IDXGIFactory4 Factory = GraphicsDevice.NativeAdapter.NativeFactory;
IDXGISwapChain swapChain = Factory.CreateSwapChain(GraphicsDevice.NativeDirectCommandQueue.Queue, swapChainDesc);
if (Description.Settings.Fullscreen)
{
// Before fullscreen switch
swapChain.ResizeTarget(BackBufferDesc);
// Switch to full screen
swapChain.SetFullscreenState(true, default);
// This is really important to call ResizeBuffers AFTER switching to IsFullScreen
swapChain.ResizeBuffers(3, Description.BackBufferWidth, Description.BackBufferHeight, Format.R8G8B8A8_UNorm, SwapChainFlags.AllowModeSwitch);
}
NativeSwapChain = swapChain.QueryInterface <IDXGISwapChain3>();
}
public unsafe Result SetSwapChain(IDXGISwapChain swapChain)
{
Result result = LocalInterop.CalliStdCallint(_nativePointer, (void *)swapChain.NativePointer.ToPointer(), (*(void ***)_nativePointer)[3]);
GC.KeepAlive(swapChain);
return(result);
}
public D3D11GraphicsDevice(bool validation, Window window)
{
Window = window;
if (CreateDXGIFactory1(out Factory).Failure)
{
throw new InvalidOperationException("Cannot create IDXGIFactory1");
}
var creationFlags = DeviceCreationFlags.BgraSupport;
if (validation)
{
creationFlags |= DeviceCreationFlags.Debug;
}
if (D3D11CreateDevice(
null,
DriverType.Hardware,
creationFlags,
_featureLevels,
out Device, out FeatureLevel, out DeviceContext).Failure)
{
// Remove debug flag not being supported.
creationFlags &= ~DeviceCreationFlags.Debug;
var result = D3D11CreateDevice(null, DriverType.Hardware,
creationFlags, _featureLevels,
out Device, out FeatureLevel, out DeviceContext);
if (result.Failure)
{
// This will fail on Win 7 due to lack of 11.1, so re-try again without it
D3D11CreateDevice(
null,
DriverType.Hardware,
creationFlags,
_featureLevelsNoLevel11,
out Device, out FeatureLevel, out DeviceContext).CheckError();
}
}
var hwnd = (IntPtr)window.Handle;
var swapChainDescription = new SwapChainDescription()
{
BufferCount = FrameCount,
BufferDescription = new ModeDescription(window.Width, window.Height, Format.B8G8R8A8_UNorm),
IsWindowed = true,
OutputWindow = hwnd,
SampleDescription = new SampleDescription(1, 0),
SwapEffect = SwapEffect.Discard,
Usage = Vortice.DirectX.Usage.RenderTargetOutput
};
SwapChain = Factory.CreateSwapChain(Device, swapChainDescription);
Factory.MakeWindowAssociation(hwnd, WindowAssociationFlags.IgnoreAltEnter);
BackBuffer = SwapChain.GetBuffer <ID3D11Texture2D>(0);
RenderTargetView = Device.CreateRenderTargetView(BackBuffer);
}
public static async Task <int> PresentAsync(this IDXGISwapChain obj, uint syncInterval, DXGI_PRESENT flags)
{
int result = await Task.Run(() =>
{
return(obj.Present(syncInterval, flags));
}).ConfigureAwait(false);
return(result);
}
public static ComObject <T> GetBuffer <T>(this IDXGISwapChain swapChain, uint index)
{
if (swapChain == null)
{
throw new ArgumentNullException(nameof(swapChain));
}
if (swapChain == null)
{
throw new ArgumentNullException(nameof(swapChain));
}
swapChain.GetBuffer(index, typeof(T).GUID, out var dc).ThrowOnError();
return(new ComObject <T>((T)dc));
}
protected unsafe SwapChainDXGI(
GraphicsDevice device,
SwapChainDescriptor descriptor,
IDXGIFactory1 dxgiFactory,
ComObject deviceOrCommandQueue,
int bufferCount,
int backBufferCount)
: base(device, descriptor)
{
BackBufferCount = backBufferCount;
var width = Math.Max(descriptor.Width, 1);
var height = Math.Max(descriptor.Height, 1);
switch (descriptor.Handle)
{
case Win32SwapChainHandle win32Handle:
{
// Check tearing support.
var dxgiFactory5 = dxgiFactory.QueryInterfaceOrNull <IDXGIFactory5>();
var allowTearing = false;
if (dxgiFactory5 != null)
{
if (dxgiFactory5.PresentAllowTearing)
{
// Recommended to always use tearing if supported when using a sync interval of 0.
_syncInterval = 0;
_presentFlags |= PresentFlags.AllowTearing;
allowTearing = true;
}
dxgiFactory5.Dispose();
}
var dxgiFactory2 = dxgiFactory.QueryInterfaceOrNull <IDXGIFactory2>();
if (dxgiFactory2 != null)
{
var swapchainDesc = new SwapChainDescription1()
{
Width = width,
Height = height,
Format = BackBufferFormat,
Stereo = false,
SampleDescription = new SampleDescription(1, 0),
Usage = Vortice.DirectX.Usage.RenderTargetOutput,
BufferCount = bufferCount,
Scaling = Scaling.Stretch,
SwapEffect = allowTearing ? SwapEffect.FlipDiscard : SwapEffect.Discard,
AlphaMode = AlphaMode.Ignore,
Flags = allowTearing ? SwapChainFlags.AllowTearing : SwapChainFlags.None,
};
var fullscreenDescription = new SwapChainFullscreenDescription
{
Windowed = true
};
_swapChain = dxgiFactory2.CreateSwapChainForHwnd(
deviceOrCommandQueue,
win32Handle.HWnd,
swapchainDesc,
fullscreenDescription);
dxgiFactory2.Dispose();
}
else
{
SwapChainDescription dxgiSCDesc = new SwapChainDescription
{
BufferCount = bufferCount,
IsWindowed = true,
BufferDescription = new ModeDescription(width, height, BackBufferFormat),
OutputWindow = win32Handle.HWnd,
SampleDescription = new SampleDescription(1, 0),
SwapEffect = SwapEffect.Discard,
Usage = Vortice.DirectX.Usage.Backbuffer | Vortice.DirectX.Usage.RenderTargetOutput
};
_swapChain = dxgiFactory.CreateSwapChain(deviceOrCommandQueue, dxgiSCDesc);
}
dxgiFactory.MakeWindowAssociation(win32Handle.HWnd, WindowAssociationFlags.IgnoreAll);
}
break;
//case CoreWindow coreWindowHandle:
// {
// var coreWindow = coreWindowHandle.CoreWindow;
// var swapchainDesc = new DXGI.SwapChainDescription1()
// {
// Width = width,
// Height = height,
// Format = DXGI.Format.B8G8R8A8_UNorm,
// Stereo = false,
// SampleDescription = new DXGI.SampleDescription(1, 0),
// Usage = DXGI.Usage.RenderTargetOutput,
// BufferCount = FrameCount,
// Scaling = DXGI.Scaling.AspectRatioStretch,
// SwapEffect = DXGI.SwapEffect.FlipDiscard,
// AlphaMode = DXGI.AlphaMode.Ignore,
// Flags = DXGI.SwapChainFlags.None,
// };
// using (var comCoreWindow = new ComObject(coreWindow))
// {
// _swapChain = new DXGI.SwapChain1(
// factory,
// device.D3DDevice,
// comCoreWindow,
// ref swapchainDesc);
// }
// }
// break;
}
}
static void Main()
{
ReferenceTracker.TrackReferences = true;
Form form = new Form();
IDXGIFactory factory = DXGI.CreateFactory();
IDXGIAdapter adapter = null;
factory.EnumAdapters(0, out adapter);
DXGI_SWAP_CHAIN_DESC swapChainDescription = new DXGI_SWAP_CHAIN_DESC
{
BufferCount = 1,
BufferDesc = new DXGI_MODE_DESC
{
Format = DXGI_FORMAT.DXGI_FORMAT_R8G8B8A8_UNORM,
Height = form.ClientSize.Height,
RefreshRate = new DXGI_RATIONAL
{
Denominator = 1,
Numerator = 60
},
Scaling = DXGI_MODE_SCALING.DXGI_MODE_SCALING_UNSPECIFIED,
ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER.DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED,
Width = form.ClientSize.Width
},
BufferUsage = (int)DXGI_USAGE.DXGI_USAGE_RENDER_TARGET_OUTPUT,
Flags = 0,
OutputWindow = form.Handle,
SampleDesc = new DXGI_SAMPLE_DESC
{
Count = 1,
Quality = 0
},
SwapEffect = DXGI_SWAP_EFFECT.DXGI_SWAP_EFFECT_DISCARD,
Windowed = true
};
ID3D11Device device = SlimDX.Direct3D11.Direct3D11.CreateDevice(adapter);
IDXGISwapChain swapChain = null;
factory.CreateSwapChain(device, swapChainDescription, out swapChain);
ID3D11Texture2D backbuffer = swapChain.GetBuffer <ID3D11Texture2D>(0);
ID3D11RenderTargetView view = null;
device.CreateRenderTargetView(backbuffer, null, out view);
ID3DBlob vertexShaderBytecode = ShaderCompiler.CompileFromString(File.ReadAllText("MiniTri11.fx"), "MiniTri11.fx", "VS", "vs_4_0");
ID3DBlob pixelShaderBytecode = ShaderCompiler.CompileFromString(File.ReadAllText("MiniTri11.fx"), "MiniTri11.fx", "PS", "ps_4_0");
D3D11_INPUT_ELEMENT_DESC[] inputElements = new[] {
new D3D11_INPUT_ELEMENT_DESC {
SemanticName = "POSITION", AlignedByteOffset = 0, SemanticIndex = 0, Format = DXGI_FORMAT.DXGI_FORMAT_R32G32B32A32_FLOAT, InstanceDataStepRate = 0, InputSlot = 0, InputSlotClass = D3D11_INPUT_CLASSIFICATION.D3D11_INPUT_PER_VERTEX_DATA
},
new D3D11_INPUT_ELEMENT_DESC {
SemanticName = "COLOR", AlignedByteOffset = 16, SemanticIndex = 0, Format = DXGI_FORMAT.DXGI_FORMAT_R32G32B32A32_FLOAT, InstanceDataStepRate = 0, InputSlot = 0, InputSlotClass = D3D11_INPUT_CLASSIFICATION.D3D11_INPUT_PER_VERTEX_DATA
}
};
ID3DBlob inputSignature;
ShaderCompiler.D3DGetInputSignatureBlob(vertexShaderBytecode.GetBufferPointer(), vertexShaderBytecode.GetBufferSize(), out inputSignature);
ID3D11InputLayout inputLayout;
device.CreateInputLayout(inputElements, inputElements.Length, inputSignature.GetBufferPointer(), inputSignature.GetBufferSize(), out inputLayout);
ByteBuffer vertexData = new ByteBuffer(3 * 32);
vertexData.Write(0 * Vector4.SizeInBytes, new Vector4(0.0f, 0.5f, 0.5f, 1.0f));
vertexData.Write(1 * Vector4.SizeInBytes, new Vector4(1.0f, 0.0f, 0.0f, 1.0f));
vertexData.Write(2 * Vector4.SizeInBytes, new Vector4(0.5f, -0.5f, 0.5f, 1.0f));
vertexData.Write(3 * Vector4.SizeInBytes, new Vector4(0.0f, 1.0f, 0.0f, 1.0f));
vertexData.Write(4 * Vector4.SizeInBytes, new Vector4(-0.5f, -0.5f, 0.5f, 1.0f));
vertexData.Write(5 * Vector4.SizeInBytes, new Vector4(0.0f, 0.0f, 1.0f, 1.0f));
D3D11_BUFFER_DESC vertexBufferDescription = new D3D11_BUFFER_DESC
{
BindFlags = 1, //vertex buffer
ByteWidth = 3 * 32,
CPUAccessFlags = 0,
MiscFlags = 0,
Usage = D3D11_USAGE.D3D11_USAGE_DEFAULT,
StructureByteStride = 0
};
ID3D11Buffer vertexBuffer;
D3D11_SUBRESOURCE_DATA srd = new D3D11_SUBRESOURCE_DATA
{
pSysMem = vertexData.Pin(),
SysMemPitch = 0,
SysMemSlicePitch = 0
};
device.CreateBuffer(vertexBufferDescription, srd, out vertexBuffer);
vertexData.Unpin();
RenderLoop loop = new RenderLoop();
ID3D11DeviceContext context = null;
device.GetImmediateContext(out context);
ID3D11VertexShader vertexShader;
ID3D11PixelShader pixelShader;
device.CreateVertexShader(vertexShaderBytecode.GetBufferPointer(), vertexShaderBytecode.GetBufferSize(), null, out vertexShader);
device.CreatePixelShader(pixelShaderBytecode.GetBufferPointer(), pixelShaderBytecode.GetBufferSize(), null, out pixelShader);
context.IASetInputLayout(inputLayout);
context.VSSetShader(vertexShader, null, 0);
context.PSSetShader(pixelShader, null, 0);
context.IASetPrimitiveTopology(4); //triangle list
context.IASetVertexBuffers(0, 1, new ID3D11Buffer[] { vertexBuffer }, new int[] { 32 }, new int[] { 0 });
context.OMSetRenderTargets(1, new ID3D11RenderTargetView[] { view }, IntPtr.Zero);
D3D11_VIEWPORT vp = new D3D11_VIEWPORT {
Height = form.ClientSize.Height,
Width = form.ClientSize.Width,
TopLeftX = 0,
TopLeftY = 0,
MinDepth = 0.0f,
MaxDepth = 1.0f
};
context.RSSetViewports(1, new D3D11_VIEWPORT [] { vp });
loop.Run(form, () =>
{
var clearColor = new SlimDX.Color4 {
R = 0.0f, G = 0.0f, B = 0.0f, A = 1.0f
};
context.ClearRenderTargetView(view, clearColor);
context.Draw(3, 0);
swapChain.Present(0, 0);
});
view.ReleaseReference();
backbuffer.ReleaseReference();
swapChain.ReleaseReference();
device.ReleaseReference();
adapter.ReleaseReference();
factory.ReleaseReference();
}
