public unsafe IndexBuffer CreateImmutableIndexBuffer <T>(T[] data, int offset = 0, int length = -1) where T : unmanaged
{
int realLength = length == -1 ? data.Length - offset : length;
int indexSize = sizeof(T);
if (indexSize != 2 && indexSize != 4)
{
throw new ArgumentException("Invalid index size: " + indexSize);
}
BufferDescription bd = new BufferDescription()
{
ByteWidth = (uint)(indexSize * realLength),
Usage = 0, //default
BindFlags = 2, //indexbuffer
CPUAccessFlags = 0, //none. or write (65536)
MiscFlags = 0,
StructureByteStride = (uint)indexSize,
};
fixed(T *pData = &data[offset])
{
DataBox box = new DataBox
{
DataPointer = pData,
RowPitch = 0,
SlicePitch = 0,
};
using (var ib = new ComScopeGuard())
{
Device.CreateBuffer(_device.DevicePtr, &bd, &box, out ib.Ptr).Check();
return(new IndexBuffer(_device, ib.Move(), indexSize * 8, realLength));
}
}
}
public unsafe VertexDataProcessorGroup CreateVertexDataProcessors(Type[] types)
{
if (_disposed)
{
throw new ObjectDisposedException("Pipeline");
}
var desc = Enumerable.Empty <InputElementDescription>();
var processors = new object[types.Length];
var deviceTypeList = new[] { typeof(LightDevice) };
var deviceObject = new object[] { _device };
for (int i = 0; i < types.Length; ++i)
{
desc = desc.Concat(InputElementDescriptionFactory.Create(types[i], i));
var processorType = typeof(VertexDataProcessor <>).MakeGenericType(types[i]);
var ctor = processorType.GetConstructor(BindingFlags.Instance | BindingFlags.NonPublic,
null, deviceTypeList, null);
processors[i] = ctor.Invoke(deviceObject);
}
var list = desc.ToArray();
using (var layout = new ComScopeGuard())
{
fixed(InputElementDescription *d = list)
{
Device.CreateInputLayout(_device.DevicePtr, d, (uint)list.Length,
Blob.GetBufferPointer(_signatureBlob), Blob.GetBufferSize(_signatureBlob), out layout.Ptr).Check();
}
return(new VertexDataProcessorGroup(_device, types, processors, layout.Move()));
}
}
public unsafe VertexBuffer CreateImmutableBuffer(T[] data, int offset = 0, int length = -1)
{
int realLength = length == -1 ? data.Length - offset : length;
BufferDescription bd = new BufferDescription()
{
ByteWidth = (uint)(_Size * realLength),
Usage = 0, //default
BindFlags = 1, //vertexbuffer
CPUAccessFlags = 0, //none. or write (65536)
MiscFlags = 0,
StructureByteStride = (uint)_Size
};
fixed(T *pData = &data[offset])
{
DataBox box = new DataBox
{
DataPointer = pData,
RowPitch = 0,
SlicePitch = 0,
};
using (var vb = new ComScopeGuard())
{
Device.CreateBuffer(_device.DevicePtr, &bd, &box, out vb.Ptr).Check();
return(new VertexBuffer(_device, _bufferUpdate, vb.Move(), _inputLayout.AddRef(), _Size, realLength, false));
}
}
}
private static IEnumerable <DXGIAdapterDescription> GetAdapterDescription(Predicate <DXGIAdapterDescription> predicate, Action <IntPtr> result)
{
uint code;
using (var factory = new ComScopeGuard())
{
Native.CreateDXGIFactory(Guids.Factory, out factory.Ptr).Check();
uint i = 0;
do
{
using (var adapter = new ComScopeGuard())
{
code = Factory.EnumAdapters(factory.Ptr, i++, out adapter.Ptr);
if (code == 0)
{
if (GetAdapterDesc(adapter.Ptr, out var desc))
{
yield return(desc);
if (predicate != null && predicate(desc))
{
result.Invoke(adapter.Move());
yield break;
}
}
}
}
} while (code != 0x887A0002u);
}
}
//Separate to avoid fat method body (workaround for the Mono.Cecil bug)
private unsafe void RebuildBackBuffer()
{
using (ComScopeGuard backBuffer = new ComScopeGuard(), renderView = new ComScopeGuard())
{
SwapChain.GetBuffer(_swapchain, 0, Guids.Texture2D, out backBuffer.Ptr).Check();
Device.CreateRenderTargetView(_device, backBuffer.Ptr, null, out renderView.Ptr).Check();
_defaultRenderView = renderView.Move();
}
}
public unsafe Texture2D CreateTexture2D(int width, int height, int format, IntPtr data, int stride, bool isDynamic)
{
using (ComScopeGuard tex = new ComScopeGuard(), view = new ComScopeGuard())
{
tex.Ptr = InternalCreateTexture2D(width, height, format, data, stride, isDynamic);
Device.CreateShaderResourceView(_device, tex.Ptr, null, out view.Ptr).Check();
return(new Texture2D(this, tex.Move(), view.Move(), width, height));
}
}
public unsafe VertexBuffer CreateDynamicBuffer(int nElement)
{
BufferDescription bd = new BufferDescription()
{
ByteWidth = (uint)(_Size * nElement),
Usage = 2, //dynamic
BindFlags = 1, //vertexbuffer
CPUAccessFlags = 0x10000, //write
MiscFlags = 0,
StructureByteStride = (uint)_Size
};
using (var vb = new ComScopeGuard())
{
Device.CreateBuffer(_device.DevicePtr, &bd, null, out vb.Ptr).Check();
return(new VertexBuffer(_device, _bufferUpdate, vb.Move(), _inputLayout.AddRef(), _Size, nElement, true));
}
}
private static IntPtr GetAdapter()
{
uint adapterId = AdapterDeviceId;
IntPtr ret = IntPtr.Zero;
foreach (var i in GetAdapterDescription(d => d.DeviceId == adapterId, d => ret = d))
{
}
if (ret == IntPtr.Zero)
{
using (var factory = new ComScopeGuard())
{
Native.CreateDXGIFactory(Guids.Factory, out factory.Ptr).Check();
Factory.EnumAdapters(factory.Ptr, 0, out ret).Check();
}
}
return(ret);
}
private unsafe Pipeline CompilePipeline(ShaderSource srcVS, ShaderSource srcGS, ShaderSource srcPS, InputTopology topology)
{
using (ComScopeGuard vertexShader = new ComScopeGuard(), pixelShader = new ComScopeGuard(),
geometryShader = new ComScopeGuard(), signatureBlob = new ComScopeGuard())
{
if (srcVS != null)
fixed(byte *codePtr = srcVS.Data)
{
using (var blob = new ComScopeGuard())
{
blob.Ptr = Compile(codePtr, srcVS.Data.Length,
CompilerStringConstants.VS, CompilerStringConstants.vs_4_0);
Device.CreateVertexShader(_device,
Blob.GetBufferPointer(blob.Ptr), Blob.GetBufferSize(blob.Ptr), IntPtr.Zero, out vertexShader.Ptr);
Native.D3DGetInputSignatureBlob(
Blob.GetBufferPointer(blob.Ptr), Blob.GetBufferSize(blob.Ptr), out signatureBlob.Ptr);
}
}
if (srcGS != null)
fixed(byte *codePtr = srcGS.Data)
{
using (var blob = new ComScopeGuard())
{
blob.Ptr = Compile(codePtr, srcGS.Data.Length,
CompilerStringConstants.GS, CompilerStringConstants.gs_4_0);
Device.CreateGeometryShader(_device, Blob.GetBufferPointer(blob.Ptr), Blob.GetBufferSize(blob.Ptr),
IntPtr.Zero, out geometryShader.Ptr);
}
}
fixed(byte *codePtr = srcPS.Data)
{
using (var blob = new ComScopeGuard())
{
blob.Ptr = Compile(codePtr, srcPS.Data.Length,
CompilerStringConstants.PS, CompilerStringConstants.ps_4_0);
Device.CreatePixelShader(_device, Blob.GetBufferPointer(blob.Ptr), Blob.GetBufferSize(blob.Ptr),
IntPtr.Zero, out pixelShader.Ptr);
}
}
return(new Pipeline(this,
vertexShader.Move(), geometryShader.Move(), pixelShader.Move(), signatureBlob.Move(), topology));
} //using
}
private unsafe void RebuildViewTextureInternal(ref Texture2DDescription desc)
{
using (ComScopeGuard tex = new ComScopeGuard(), targetView = new ComScopeGuard(), resView = new ComScopeGuard())
{
int *renderTargetDesc = stackalloc int[5]
{
_formatTarget,
4, //D3D11_RTV_DIMENSION_TEXTURE2D
0, //MipSlice = 0
0, //Not used in tex2d
0, //Not used in tex2d
};
Natives.Device.CreateTexture2D(_device.DevicePtr, ref desc, IntPtr.Zero, out tex.Ptr).Check();
Natives.Device.CreateRenderTargetView(_device.DevicePtr, tex.Ptr, renderTargetDesc, out targetView.Ptr).Check();
_TexturePtr = tex.Move();
_viewPtrTarget = targetView.Move();
}
RebuildResourceView();
}
//Note: The following 2 methods are separated from RebuildView to avoid fat method to be modified by Mono.Cecil,
//which when doing so will corrupt the binary for unknown reason.
private unsafe void RebuildViewStencilInternal(ref Texture2DDescription desc)
{
using (var depthTex = new ComScopeGuard())
{
int *depthStencilDesc = stackalloc int[6]
{
_formatTarget,
3, //D3D11_DSV_DIMENSION_TEXTURE2D
0, //Flags = 0
0, //MipSlice = 0
0,
0,
};
Natives.Device.CreateTexture2D(_device.DevicePtr, ref desc, IntPtr.Zero, out depthTex.Ptr).Check();
Natives.Device.CreateDepthStencilView(_device.DevicePtr, depthTex.Ptr, depthStencilDesc, out _viewPtrTarget).Check();
_TexturePtr = depthTex.Move();
}
RebuildResourceView();
}
public unsafe ShaderResourceBuffer <T> CreateShaderResourceBuffer <T>(T[] data, bool isStructured) where T : unmanaged
{
var elementSize = Marshal.SizeOf <T>();
BufferDescription bd = new BufferDescription()
{
ByteWidth = (uint)(elementSize * data.Length),
Usage = 1, //immutable
BindFlags = 8, //shader resource
CPUAccessFlags = 0, //none
MiscFlags = isStructured ? 64u : 0u, //D3D11_RESOURCE_MISC_BUFFER_STRUCTURED
StructureByteStride = (uint)elementSize,
};
using (var buffer = new ComScopeGuard())
{
fixed(T *pData = &data[0])
{
DataBox box = new DataBox
{
DataPointer = pData,
RowPitch = 0,
SlicePitch = 0,
};
Device.CreateBuffer(_device.DevicePtr, &bd, &box, out buffer.Ptr).Check();
}
using (var view = new ComScopeGuard())
{
int *viewDesc = stackalloc int[5]
{
isStructured ? 0 : InputElementDescriptionFactory.GetFormatFromType(typeof(T)),
isStructured ? 11 : 1, //D3D_SRV_DIMENSION_BUFFEREX or D3D_SRV_DIMENSION_BUFFER
0, //FirstElement = 0
data.Length, //NumElements
0, //Not used
};
Device.CreateShaderResourceView(_device.DevicePtr, buffer.Ptr, viewDesc, out view.Ptr).Check();
return(new ShaderResourceBuffer <T>(_device, buffer.Move(), view.Move()));
}
}
}
public unsafe VertexDataProcessor <T> CreateVertexDataProcessor <T>()
where T : unmanaged
{
if (_disposed)
{
throw new ObjectDisposedException("Pipeline");
}
var layoutDecl = VertexDataProcessor <T> .CreateLayoutFromType(0);
using (var layout = new ComScopeGuard())
{
fixed(InputElementDescription *d = layoutDecl)
{
Device.CreateInputLayout(_device.DevicePtr, d, (uint)layoutDecl.Length,
Blob.GetBufferPointer(_signatureBlob), Blob.GetBufferSize(_signatureBlob), out layout.Ptr).Check();
}
return(new VertexDataProcessor <T>(_device, layout.Move()));
}
}
private unsafe IntPtr Compile(byte *codePtr, int length, IntPtr p1, IntPtr p2)
{
using (ComScopeGuard blob = new ComScopeGuard(), msg = new ComScopeGuard())
{
var e = Native.D3DCompile(codePtr, length, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero,
p1, p2, 0, 0, out blob.Ptr, out msg.Ptr);
if (blob.Ptr == IntPtr.Zero)
{
if (msg.Ptr != IntPtr.Zero)
{
var msgStr = Marshal.PtrToStringAnsi(Blob.GetBufferPointer(msg.Ptr));
throw new NativeException(e, msgStr);
}
else
{
throw new NativeException(e);
}
}
return(blob.Move());
}
}
public unsafe IndexBuffer CreateDynamicIndexBuffer(int bitWidth, int size)
{
if (bitWidth != 16 && bitWidth != 32)
{
throw new ArgumentOutOfRangeException(nameof(bitWidth));
}
BufferDescription bd = new BufferDescription()
{
ByteWidth = (uint)(bitWidth / 8 * size),
Usage = 2, //dynamic
BindFlags = 2, //indexbuffer
CPUAccessFlags = 0x10000, //write
MiscFlags = 0,
StructureByteStride = (uint)bitWidth / 8,
};
using (var ib = new ComScopeGuard())
{
Device.CreateBuffer(_device.DevicePtr, &bd, null, out ib.Ptr).Check();
return(new IndexBuffer(_device, ib.Move(), bitWidth, size));
}
}
public unsafe ConstantBuffer <T> CreateConstantBuffer <T>()
where T : unmanaged
{
if (_disposed)
{
throw new ObjectDisposedException("Pipeline");
}
BufferDescription bd = new BufferDescription()
{
ByteWidth = (((uint)Marshal.SizeOf <T>() + 15) & ~15u), //multiples of 16
Usage = 2, //dynamic
BindFlags = 4, //constantbuffer
CPUAccessFlags = 0x10000, //write
MiscFlags = 0,
StructureByteStride = 0, // (uint)(Marshal.SizeOf<T>()),
};
using (var cb = new ComScopeGuard())
{
Device.CreateBuffer(_device.DevicePtr, &bd, null, out cb.Ptr).Check();
return(new ConstantBuffer <T>(_device, cb.Move()));
}
}
public unsafe static LightDevice Create(Control ctrl, int initWidth = -1, int initHeight = -1)
{
var ret = new LightDevice();
//initialize size
{
var width = initWidth == -1 ? ctrl.ClientSize.Width : initWidth;
var height = initHeight == -1 ? ctrl.ClientSize.Height : initHeight;
ret._ctrl = ctrl;
ret._form = ctrl.FindForm();
ret._width = width;
ret._height = height;
ret._dpi = GetDpiForWindow(ret._form.Handle);
}
try
{
using (var adapter = new ComScopeGuard())
{
//Find the adapter
adapter.Ptr = GetAdapter();
//create core objects
IntPtr swapChain, device, immediateContext;
{
var d = new SwapChainDescription(ctrl.Handle, ret._width, ret._height);
Native.D3D11CreateDeviceAndSwapChain(
adapter.Ptr, adapter.Ptr == IntPtr.Zero ? 1u : 0u,
IntPtr.Zero, 0, IntPtr.Zero, 0, 7, ref d,
out swapChain, out device, out var featureLevel, out immediateContext).Check();
ret._device = device;
ret._swapchain = swapChain;
ret._context = immediateContext;
}
//get default render target
IntPtr renderView;
{
using (var backBuffer = new ComScopeGuard())
{
SwapChain.GetBuffer(swapChain, 0, Guids.Texture2D, out backBuffer.Ptr).Check();
Device.CreateRenderTargetView(device, backBuffer.Ptr, null, out renderView).Check();
}
ret._defaultRenderView = renderView;
}
//get DXGI.Output
{
var i = Adapter.EnumOutputs(adapter.Ptr, 0, out var output);
//Sometimes this can fail, but it should not affect our other functions.
//TODO Actually we should think of supporting multiple outputs.
if (i != 0x887A0002)
{
i.Check();
}
ret._output = output;
}
ret._defaultRenderTarget = RenderTargetObject.CreateSwapchainTarget(ret);
ret.AddEventHandlers();
}
}
catch (NativeException e)
{
ret.Dispose(true);
throw e;
}
return(ret);
}
