/// <summary>
/// Unloads all resources.
/// </summary>
public void UnloadResources()
{
m_immediateContext = CommonTools.DisposeObject(m_immediateContext);
m_immediateContext3 = CommonTools.DisposeObject(m_immediateContext3);
m_device1 = CommonTools.DisposeObject(m_device1);
m_device3 = CommonTools.DisposeObject(m_device3);
m_creationFlags = D3D11.DeviceCreationFlags.None;
m_featureLevel = D3D.FeatureLevel.Level_11_0;
}
private void SwapChainPanel_OnLoaded(object sender, RoutedEventArgs e)
{
using (var defDevice = new D3D.Device(DriverType.Hardware, D3D.DeviceCreationFlags.Debug))
{
_device = defDevice.QueryInterface <D3D.Device3>();
}
_context = _device.ImmediateContext3;
var pixelScale = DisplayInformation.GetForCurrentView().LogicalDpi / 96.0f;
var swapChainDesc = new DXGI.SwapChainDescription1()
{
AlphaMode = DXGI.AlphaMode.Premultiplied,
BufferCount = 2,
Flags = DXGI.SwapChainFlags.None,
Format = DXGI.Format.B8G8R8A8_UNorm,
Width = (int)(panel.RenderSize.Width * pixelScale),
Height = (int)(panel.RenderSize.Height * pixelScale),
SampleDescription = new DXGI.SampleDescription(1, 0),
Scaling = DXGI.Scaling.Stretch,
Stereo = false,
SwapEffect = DXGI.SwapEffect.FlipSequential,
Usage = DXGI.Usage.BackBuffer | DXGI.Usage.RenderTargetOutput
};
using (var dxgiDevice = _device.QueryInterface <DXGI.Device3>())
{
var factory = dxgiDevice.Adapter.GetParent <DXGI.Factory4>();
using (var tmpSwapChain = new DXGI.SwapChain1(factory, _device, ref swapChainDesc))
{
_swapChain = tmpSwapChain.QueryInterface <DXGI.SwapChain3>();
}
}
using (var nativeObject = ComObject.As <DXGI.ISwapChainPanelNative>(panel))
{
nativeObject.SwapChain = _swapChain;
}
using (var depthBuffer = new D3D.Texture2D(_device, new D3D.Texture2DDescription()
{
Format = DXGI.Format.D24_UNorm_S8_UInt,
ArraySize = 1,
MipLevels = 1,
Width = swapChainDesc.Width,
Height = swapChainDesc.Height,
SampleDescription = new DXGI.SampleDescription(1, 0),
BindFlags = D3D.BindFlags.DepthStencil,
}))
{
_depthStencilView = new D3D.DepthStencilView(_device, depthBuffer, new D3D.DepthStencilViewDescription()
{
Dimension = D3D.DepthStencilViewDimension.Texture2D
});
}
_backBuffer = D3D.Resource.FromSwapChain <D3D.Texture2D>(_swapChain, 0);
_renderView = new D3D.RenderTargetView1(_device, _backBuffer);
var viewport = new ViewportF(0, 0, (float)panel.RenderSize.Width, (float)panel.RenderSize.Height, 0.0f, 1.0f);
_context.Rasterizer.SetViewport(viewport);
ShaderBytecode shaderBytecode;
using (shaderBytecode = ShaderBytecode.CompileFromFile("shaders.hlsl", "vs", "vs_5_0", ShaderFlags.Debug))
{
_vertexShader = new D3D.VertexShader(_device, shaderBytecode);
}
using (var byteCode = ShaderBytecode.CompileFromFile(@"shaders.hlsl", "ps", "ps_5_0", ShaderFlags.Debug))
{
_pixelShader = new D3D.PixelShader(_device, byteCode);
}
D3D.InputElement[] inputElements =
{
new D3D.InputElement("POSITION", 0, DXGI.Format.R32G32B32A32_Float, 0, 0),
};
_inputLayout = new D3D.InputLayout(_device, shaderBytecode, inputElements);
_vertices = new[]
{
new Vector4(-0.5f, 0.0f, 0.5f, 1.0f),
new Vector4(0.0f, 0.5f, 0.5f, 1.0f),
new Vector4(0.5f, 0.0f, 0.5f, 1.0f),
};
_vertexBuffer = D3D.Buffer.Create(_device, D3D.BindFlags.VertexBuffer, _vertices);
_vertexBinding = new D3D.VertexBufferBinding(_vertexBuffer, Utilities.SizeOf <Vector4>(), 0);
_constantBuffer = new SharpDX.Direct3D11.Buffer(
_device,
Utilities.SizeOf <SharpDX.Matrix>(),
D3D.ResourceUsage.Default,
D3D.BindFlags.ConstantBuffer,
D3D.CpuAccessFlags.None,
D3D.ResourceOptionFlags.None,
0);
_timer = new Stopwatch();
_timer.Start();
CompositionTarget.Rendering += CompositionTarget_Rendering;
}
/// <summary>
/// Initializes a new instance of the <see cref="DeviceHandlerD3D11"/> class.
/// </summary>
/// <param name="dxgiAdapter">The tasrget adapter.</param>
/// <param name="debugEnabled">Is debug mode enabled?</param>
internal DeviceHandlerD3D11(DXGI.Adapter1 dxgiAdapter, bool debugEnabled)
{
m_dxgiAdapter = dxgiAdapter;
// Define possible create flags
D3D11.DeviceCreationFlags createFlagsBgra = D3D11.DeviceCreationFlags.BgraSupport;
D3D11.DeviceCreationFlags createFlags = D3D11.DeviceCreationFlags.None;
if (debugEnabled)
{
createFlagsBgra |= D3D11.DeviceCreationFlags.Debug;
createFlags |= D3D11.DeviceCreationFlags.Debug;
}
// Define all steps on which we try to initialize Direct3D
List <Tuple <D3D.FeatureLevel, D3D11.DeviceCreationFlags, HardwareDriverLevel> > initParameterQueue =
new List <Tuple <D3D.FeatureLevel, D3D11.DeviceCreationFlags, HardwareDriverLevel> >();
// Define all trys for hardware initialization
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_11_1, createFlagsBgra, HardwareDriverLevel.Direct3D11));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_11_0, createFlagsBgra, HardwareDriverLevel.Direct3D11));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_10_0, createFlagsBgra, HardwareDriverLevel.Direct3D10));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_9_3, createFlagsBgra, HardwareDriverLevel.Direct3D9_3));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_9_2, createFlagsBgra, HardwareDriverLevel.Direct3D9_2));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_9_1, createFlagsBgra, HardwareDriverLevel.Direct3D9_1));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_10_0, createFlags, HardwareDriverLevel.Direct3D10));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_9_3, createFlags, HardwareDriverLevel.Direct3D9_3));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_9_2, createFlags, HardwareDriverLevel.Direct3D9_2));
initParameterQueue.Add(Tuple.Create(
D3D.FeatureLevel.Level_9_1, createFlags, HardwareDriverLevel.Direct3D9_1));
// Try to create the device, each defined configuration step by step
foreach (Tuple <D3D.FeatureLevel, D3D11.DeviceCreationFlags, HardwareDriverLevel> actInitParameters in initParameterQueue)
{
D3D.FeatureLevel featureLevel = actInitParameters.Item1;
D3D11.DeviceCreationFlags direct3D11Flags = actInitParameters.Item2;
HardwareDriverLevel actDriverLevel = actInitParameters.Item3;
try
{
// Try to create the device using current parameters
using (D3D11.Device device = new D3D11.Device(dxgiAdapter, direct3D11Flags, featureLevel))
{
m_device1 = device.QueryInterface <D3D11.Device1>();
m_device3 = CommonTools.TryExecute(() => m_device1.QueryInterface <D3D11.Device3>());
if (m_device3 != null)
{
m_immediateContext3 = m_device3.ImmediateContext3;
}
}
// Device successfully created, save all parameters and break this loop
m_featureLevel = featureLevel;
m_creationFlags = direct3D11Flags;
m_driverLevel = actDriverLevel;
break;
}
catch (Exception) { }
}
// Throw exception on failure
if (m_device1 == null)
{
throw new SeeingSharpGraphicsException("Unable to initialize d3d11 device!");
}
// Get immediate context from the device
m_immediateContext = m_device1.ImmediateContext;
}
