public void Initialize()
{
Viewport = new ViewportF()
{
Width = Form.ClientSize.Width,
Height = Form.ClientSize.Height,
MaxDepth = 1.0f
};
ScissorRect = new Rectangle()
{
Right = Form.ClientSize.Width,
Bottom = Form.ClientSize.Height
};
EnableDebug();
Device = new Device(null, SharpDX.Direct3D.FeatureLevel.Level_11_0);
GraphicCommandQueue = Device.CreateCommandQueue(new CommandQueueDescription(CommandListType.Direct));
SwapChain = DxHelper.CreateSwapchain(Form, GraphicCommandQueue, Config);
FrameIndex = SwapChain.CurrentBackBufferIndex;
Resource[] tempRenderTargets;
RenderTargetViewHeap = DxHelper.CreateRenderTargetViewHeap(Config, SwapChain, out tempRenderTargets);
RenderTargets = tempRenderTargets;
RootSignature = DxHelper.CreateRootSignature();
Fence = Device.CreateFence(0, FenceFlags.None);
FenceValue = 1;
FenceEvent = new AutoResetEvent(false);
}
protected void InitDirect3D()
{
#if DEBUG
DebugInterface.Get().EnableDebugLayer();
#endif
_factory = new Factory4();
try
{
Adapter[] gpus = _factory.Adapters;
int n = gpus.Length;
// Try to create hardware device.
// Pass NULL to use the default adapter which is the first adapter that is enumerated by Factory.Adapters.
// Ref: https://msdn.microsoft.com/en-us/library/windows/desktop/dn770336(v=vs.85).aspx
if (n > 1)
{
Adapter dgpu = gpus[1]; //added by JO: ensures we use the dGPU (NVIDIA in my case)
Device = new Device(dgpu, FeatureLevel.Level_11_0);
}
else
{
Device = new Device(null, FeatureLevel.Level_11_0);
}
}
catch (SharpDXException)
{
// Fallback to WARP device.
Adapter warpAdapter = _factory.CreateSoftwareAdapter(_appInst);
Device = new Device(warpAdapter, FeatureLevel.Level_11_0);
}
Fence = Device.CreateFence(0, FenceFlags.None);
_fenceEvent = new AutoResetEvent(false);
RtvDescriptorSize = Device.GetDescriptorHandleIncrementSize(DescriptorHeapType.RenderTargetView);
DsvDescriptorSize = Device.GetDescriptorHandleIncrementSize(DescriptorHeapType.DepthStencilView);
CbvSrvUavDescriptorSize = Device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);
// Check 4X MSAA quality support for our back buffer format.
// All Direct3D 11 capable devices support 4X MSAA for all render
// target formats, so we only need to check quality support.
FeatureDataMultisampleQualityLevels msQualityLevels;
msQualityLevels.Format = BackBufferFormat;
msQualityLevels.SampleCount = 4;
msQualityLevels.Flags = MultisampleQualityLevelFlags.None;
msQualityLevels.QualityLevelCount = 0;
Debug.Assert(Device.CheckFeatureSupport(Feature.MultisampleQualityLevels, ref msQualityLevels));
_m4xMsaaQuality = msQualityLevels.QualityLevelCount;
#if DEBUG
LogAdapters();
#endif
CreateCommandObjects();
CreateSwapChain();
CreateRtvAndDsvDescriptorHeaps();
}
void CreateCommandList()
{
// Command allocators
for (int i = 0; i < FrameCount; i++)
{
_commandAllocators[i] = _dev.CreateCommandAllocator(SharpDX.Direct3D12.CommandListType.Direct);
}
// Command list
_commands = _dev.CreateCommandList(0, SharpDX.Direct3D12.CommandListType.Direct, _commandAllocators[0], null);
_commands.Close();
// Fence
_fence = _dev.CreateFence(0, SharpDX.Direct3D12.FenceFlags.None);
_fenceEvent = new AutoResetEvent(false);
}
private void InitDevice()
{
this.factory = new Factory4();
try
{
this.device = new Device(factory.GetAdapter(1), FeatureLevel.Level_11_0);
}
catch (SharpDXException)
{
var warpAdapter = factory.CreateSoftwareAdapter(this.handleIntPtr);
this.device = new Device(warpAdapter, FeatureLevel.Level_11_0);
}
this.fence = device.CreateFence(0, FenceFlags.None);
this.fenceEvent = new AutoResetEvent(false);
this.rtvDescriptorSize = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.RenderTargetView);
}
/// <summary>
/// Setup resources for rendering
/// </summary>
void LoadAssets()
{
// Create the main command list
commandList = Collect(device.CreateCommandList(CommandListType.Direct, commandListAllocator, pipelineState));
// Create the descriptor heap for the render target view
descriptorHeapRT = Collect(device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
Type = DescriptorHeapType.RenderTargetView,
DescriptorCount = 1
}));
#if USE_DEPTH
descriptorHeapDS = Collect(device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
Type = DescriptorHeapType.DepthStencilView,
DescriptorCount = 1
}));
#endif
#if USE_TEXTURE
descriptorHeapCB = Collect(device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView,
DescriptorCount = 2,
Flags = DescriptorHeapFlags.ShaderVisible,
}));
descriptorHeapS = Collect(device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
Type = DescriptorHeapType.Sampler,
DescriptorCount = 1,
Flags = DescriptorHeapFlags.ShaderVisible,
}));
descriptorsHeaps[0] = descriptorHeapCB;
descriptorsHeaps[1] = descriptorHeapS;
#else
descriptorHeapCB = Collect(device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView,
DescriptorCount = 1,
Flags = DescriptorHeapFlags.ShaderVisible,
}));
descriptorsHeaps[0] = descriptorHeapCB;
#endif
#if true // root signature in code
var rsparams = new RootParameter[]
{
new RootParameter(ShaderVisibility.Vertex, new RootDescriptor(), RootParameterType.ConstantBufferView),
new RootParameter(ShaderVisibility.Vertex,
new DescriptorRange
{
RangeType = DescriptorRangeType.ConstantBufferView,
BaseShaderRegister = 1,
DescriptorCount = 1,
}),
#if USE_TEXTURE
new RootParameter(ShaderVisibility.Pixel,
new DescriptorRange
{
RangeType = DescriptorRangeType.ShaderResourceView,
BaseShaderRegister = 0,
DescriptorCount = 1,
}),
new RootParameter(ShaderVisibility.Pixel,
new DescriptorRange
{
RangeType = DescriptorRangeType.Sampler,
BaseShaderRegister = 0,
DescriptorCount = 1,
}),
#endif
};
var rs = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, rsparams);
rootSignature = Collect(device.CreateRootSignature(rs.Serialize()));
#else
var rootSignatureByteCode = Utilities.ReadStream(assembly.GetManifestResourceStream("Shaders.Cube" + shaderNameSuffix + ".rs"));
using (var bufferRootSignature = DataBuffer.Create(rootSignatureByteCode))
rootSignature = Collect(device.CreateRootSignature(bufferRootSignature));
#endif
byte[] vertexShaderByteCode = GetResourceBytes("Cube" + shaderNameSuffix + ".vso");
byte[] pixelShaderByteCode = GetResourceBytes("Cube" + shaderNameSuffix + ".pso");
var layout = new InputLayoutDescription(new InputElement[]
{
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0),
new InputElement("NORMAL", 0, Format.R32G32B32_Float, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 0),
#if USE_INSTANCES
new InputElement("OFFSET", 0, Format.R32G32B32_Float, 0, 1, InputClassification.PerInstanceData, 1),
#endif
});
#region pipeline state
var psd = new GraphicsPipelineStateDescription
{
InputLayout = layout,
VertexShader = vertexShaderByteCode,
PixelShader = pixelShaderByteCode,
RootSignature = rootSignature,
DepthStencilState = DepthStencilStateDescription.Default(),
DepthStencilFormat = Format.Unknown,
BlendState = BlendStateDescription.Default(),
RasterizerState = RasterizerStateDescription.Default(),
SampleDescription = new SampleDescription(1, 0),
RenderTargetCount = 1,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
SampleMask = -1,
StreamOutput = new StreamOutputDescription()
};
psd.RenderTargetFormats[0] = Format.R8G8B8A8_UNorm;
#if USE_DEPTH
psd.DepthStencilFormat = Format.D32_Float;
#else
psd.DepthStencilState.IsDepthEnabled = false;
#endif
//psd.RasterizerState.CullMode = CullMode.None;
pipelineState = Collect(device.CreateGraphicsPipelineState(psd));
#endregion pipeline state
#region vertices
var vertices = new[]
{
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Front
-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // BACK
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // BACK
1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Top
-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Top
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Bottom
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Bottom
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Left
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Left
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Right
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Right
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
};
#endregion vertices
#region vertex buffer
// Instantiate Vertex buiffer from vertex data
int sizeOfFloat = sizeof(float);
int sizeInBytes = vertices.Length * sizeOfFloat;
vertexBuffer = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Buffer, 0, sizeInBytes, 1, 1, 1, Format.Unknown, 1, 0, TextureLayout.RowMajor, ResourceFlags.None),
ResourceStates.GenericRead));
vertexBufferView = new[]
{
new VertexBufferView
{
BufferLocation = vertexBuffer.GPUVirtualAddress,
SizeInBytes = sizeInBytes,
StrideInBytes = sizeOfFloat * 8,
}
};
var ptr = vertexBuffer.Map(0);
Utilities.Write(ptr, vertices, 0, vertices.Length);
vertexBuffer.Unmap(0);
#endregion vertex buffer
#region instances
#if USE_INSTANCES
int instanceSizeInBytes = sizeOfFloat * instances.Length;
instancesBuffer = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Buffer, 0, instanceSizeInBytes, 1, 1, 1, Format.Unknown, 1, 0, TextureLayout.RowMajor, ResourceFlags.None),
ResourceStates.GenericRead));
instancesBufferView = new[]
{
new VertexBufferView
{
BufferLocation = instancesBuffer.GPUVirtualAddress,
SizeInBytes = instanceSizeInBytes,
StrideInBytes = sizeOfFloat * 3,
}
};
ptr = instancesBuffer.Map(0);
Utilities.Write(ptr, instances, 0, instances.Length);
instancesBuffer.Unmap(0);
#endif
#endregion instances
#region indices
#if USE_INDICES
var indexData = new[]
{
0, 1, 2, 3, 4,
5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22,
23, 24, 25, 26, 27, 28,
29, 30, 31, 32, 33
};
sizeInBytes = indexData.Length * sizeof(int);
indexBuffer = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Buffer, 0, sizeInBytes, 1, 1, 1, Format.Unknown, 1, 0, TextureLayout.RowMajor, ResourceFlags.None),
ResourceStates.GenericRead));
ptr = indexBuffer.Map(0);
Utilities.Write(ptr, indexData, 0, indexData.Length);
indexBuffer.Unmap(0);
indexBufferView = new IndexBufferView
{
BufferLocation = indexBuffer.GPUVirtualAddress,
SizeInBytes = sizeInBytes,
Format = Format.R32_UInt
};
#endif
#endregion indices
#region transform
transWorld = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Buffer, 0, 16 * sizeOfMatrix, 1, 1, 1, Format.Unknown, 1, 0, TextureLayout.RowMajor, ResourceFlags.None),
ResourceStates.GenericRead));
transWorldPtr = transWorld.Map(0);
transViewProj = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Buffer, 0, sizeOfMatrix, 1, 1, 1, Format.Unknown, 1, 0, TextureLayout.RowMajor, ResourceFlags.None),
ResourceStates.GenericRead));
device.CreateConstantBufferView(new ConstantBufferViewDescription
{
BufferLocation = transViewProj.GPUVirtualAddress,
SizeInBytes = sizeOfMatrix,
}, descriptorHeapCB.CPUDescriptorHandleForHeapStart);
var view = Matrix.LookAtLH(new Vector3(5, 5, -5), Vector3.Zero, Vector3.UnitY);
var proj = Matrix.PerspectiveFovLH(MathUtil.Pi / 4, (float)width / height, 0.1f, 100);
var vpT = view * proj;
vpT.Transpose();
ptr = transViewProj.Map(0);
Utilities.Write(ptr, ref vpT);
transViewProj.Unmap(0);
#endregion transform
#if USE_TEXTURE
#region texture
Resource buf;
using (var tl = new TextureLoader("GeneticaMortarlessBlocks.jpg"))
{
int w = tl.Width, h = tl.Height;
var descrs = new[]
{
new ResourceDescription(ResourceDimension.Texture2D,
0, w, h, 1, 1,
Format.B8G8R8A8_UNorm, 1, 0,
TextureLayout.Unknown,
ResourceFlags.None),
};
texture = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
descrs[0],
ResourceStates.CopyDestination)
);
var resAllocInfo = device.GetResourceAllocationInfo(1, 1, descrs);
buf = device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
new ResourceDescription(
ResourceDimension.Buffer,
0,
resAllocInfo.SizeInBytes,
1, 1, 1,
Format.Unknown,
1, 0,
TextureLayout.RowMajor,
ResourceFlags.None),
ResourceStates.GenericRead);
var ptrBuf = buf.Map(0);
int rowPitch = tl.CopyImageData(ptrBuf);
buf.Unmap(0);
var src = new TextureCopyLocation(buf,
new PlacedSubResourceFootprint
{
Offset = 0,
Footprint = new SubResourceFootprint
{
Format = Format.B8G8R8A8_UNorm_SRgb,
Width = w,
Height = h,
Depth = 1,
RowPitch = rowPitch
}
}
);
var dst = new TextureCopyLocation(texture, 0);
// record copy
commandList.CopyTextureRegion(dst, 0, 0, 0, src, null);
commandList.ResourceBarrierTransition(texture, ResourceStates.CopyDestination, ResourceStates.GenericRead);
}
descrOffsetCB = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);
device.CreateShaderResourceView(texture, null, descriptorHeapCB.CPUDescriptorHandleForHeapStart + descrOffsetCB);
#endregion texture
#region sampler
device.CreateSampler(new SamplerStateDescription
{
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
Filter = Filter.MaximumMinMagMipLinear,
}, descriptorHeapS.CPUDescriptorHandleForHeapStart);
#endregion sampler
#endif
// Get the backbuffer and creates the render target view
renderTarget = Collect(swapChain.GetBackBuffer <Resource>(0));
device.CreateRenderTargetView(renderTarget, null, descriptorHeapRT.CPUDescriptorHandleForHeapStart);
#if USE_DEPTH
depthBuffer = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Texture2D, 0, width, height, 1, 1, Format.D32_Float, 1, 0, TextureLayout.Unknown, ResourceFlags.AllowDepthStencil),
ResourceStates.Present,
new ClearValue
{
Format = Format.D32_Float,
DepthStencil = new DepthStencilValue
{
Depth = 1,
Stencil = 0,
}
}));
device.CreateDepthStencilView(depthBuffer, null, descriptorHeapDS.CPUDescriptorHandleForHeapStart);
#endif
// Create the viewport
viewPort = new ViewportF(0, 0, width, height);
// Create the scissor
scissorRectangle = new Rectangle(0, 0, width, height);
// Create a fence to wait for next frame
fence = Collect(device.CreateFence(0, FenceFlags.None));
currentFence = 1;
// Close command list
commandList.Close();
commandQueue.ExecuteCommandList(commandList);
// Create an event handle use for VTBL
CreateWaitEvent();
// Wait the command list to complete
WaitForPrevFrame();
#if USE_TEXTURE
buf.Dispose();
#endif
}
protected void InitDirect3D()
{
#if DEBUG
// The Direct3D 12 debug layer may or may not be installed. It's installation can be
// managed through settings page "Manage optional features" with a feature called
// "Graphics Tools".
// There may be a better solution to check for it instead of try/catch. If you happen
// to know, please consider opening an issue or PR in the repo.
try
{
DebugInterface.Get().EnableDebugLayer();
}
catch (SharpDXException ex) when(ex.Descriptor.NativeApiCode == "DXGI_ERROR_SDK_COMPONENT_MISSING")
{
Debug.WriteLine("Failed to enable debug layer. Please ensure \"Graphics Tools\" feature is enabled in Windows \"Manage optional feature\" settings page");
}
#endif
_factory = new Factory4();
try
{
// Try to create hardware device.
// Pass NULL to use the default adapter which is the first adapter that is enumerated by Factory.Adapters.
// Ref: https://msdn.microsoft.com/en-us/library/windows/desktop/dn770336(v=vs.85).aspx
Device = new Device(null, FeatureLevel.Level_11_0);
}
catch (SharpDXException)
{
// Fallback to WARP device.
Adapter warpAdapter = _factory.GetWarpAdapter();
Device = new Device(warpAdapter, FeatureLevel.Level_11_0);
}
Fence = Device.CreateFence(0, FenceFlags.None);
_fenceEvent = new AutoResetEvent(false);
RtvDescriptorSize = Device.GetDescriptorHandleIncrementSize(DescriptorHeapType.RenderTargetView);
DsvDescriptorSize = Device.GetDescriptorHandleIncrementSize(DescriptorHeapType.DepthStencilView);
CbvSrvUavDescriptorSize = Device.GetDescriptorHandleIncrementSize(
DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);
// Check 4X MSAA quality support for our back buffer format.
// All Direct3D 11 capable devices support 4X MSAA for all render
// target formats, so we only need to check quality support.
FeatureDataMultisampleQualityLevels msQualityLevels;
msQualityLevels.Format = BackBufferFormat;
msQualityLevels.SampleCount = 4;
msQualityLevels.Flags = MultisampleQualityLevelFlags.None;
msQualityLevels.QualityLevelCount = 0;
Debug.Assert(Device.CheckFeatureSupport(Feature.MultisampleQualityLevels, ref msQualityLevels));
_m4xMsaaQuality = msQualityLevels.QualityLevelCount;
#if DEBUG
LogAdapters();
#endif
CreateCommandObjects();
CreateSwapChain();
CreateRtvAndDsvDescriptorHeaps();
}
public GraphicsHost(RenderForm window, bool hidden = false)
{
if (window == null)
{
throw new ArgumentNullException(nameof(window));
}
this.window = window;
if (!hidden)
{
this.window.Visible = true;
}
#if DEBUG
Configuration.EnableObjectTracking = true;
Configuration.ThrowOnShaderCompileError = false;
#endif
var swapChainDescription = new SwapChainDescription()
{
BufferCount = SwapBufferCount,
ModeDescription = new ModeDescription(Format.R8G8B8A8_UNorm),
Usage = Usage.RenderTargetOutput,
OutputHandle = window.Handle,
SwapEffect = SwapEffect.FlipDiscard,
SampleDescription = new SampleDescription(1, 0),
IsWindowed = true
};
#if DEBUG
// Enable the D3D12 debug layer.
// DebugInterface.Get().EnableDebugLayer();
#endif
try
{
// null == DriverType.Hardware
device = new Device(null, FeatureLevel.Level_11_0);
commandQueue = device.CreateCommandQueue(new CommandQueueDescription(CommandListType.Direct));
}
catch (SharpDXException)
{
using (var factory = new Factory4())
{
device = new Device(factory.GetWarpAdapter(), FeatureLevel.Level_11_0);
commandQueue = device.CreateCommandQueue(new CommandQueueDescription(CommandListType.Direct));
}
}
using (var factory = new Factory1())
swapChain = new SwapChain(factory, commandQueue, swapChainDescription);
commandListAllocator = device.CreateCommandAllocator(CommandListType.Direct);
descriptorHeap = device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
Type = DescriptorHeapType.RenderTargetView,
DescriptorCount = 1
});
commandList = device.CreateCommandList(CommandListType.Direct, commandListAllocator, null);
renderTarget = swapChain.GetBackBuffer <Resource>(0);
device.CreateRenderTargetView(renderTarget, null, descriptorHeap.CPUDescriptorHandleForHeapStart);
viewport = new ViewportF(0, 0, this.Width, this.Height);
scissorRectangle = new Rectangle(0, 0, this.Width, this.Height);
fence = device.CreateFence(0, FenceFlags.None);
currentFence = 1;
commandList.Close();
eventHandle = new AutoResetEvent(false);
WaitForPrevFrame();
}