private void CreateTexture(int width, int height)
{
var description = new Texture2DDescription();
description.ArraySize = 1;
description.BindingOptions = BindingOptions.RenderTarget | BindingOptions.ShaderResource;
description.CpuAccessOptions = CpuAccessOptions.None;
description.Format = Format.B8G8R8A8UNorm;
description.MipLevels = 1;
description.MiscellaneousResourceOptions = MiscellaneousResourceOptions.Shared;
description.SampleDescription = new SampleDescription(1, 0);
description.Usage = Usage.Default;
description.Height = (uint)height;
description.Width = (uint)width;
// Assign result to temporary variable in case CreateTexture2D throws
Texture2D texture = _device.CreateTexture2D(description);
if (_texture != null)
{
_texture.Dispose();
}
_texture = texture;
}
void InitDevice()
{
// create Direct 3D device
device = D3DDevice.CreateDeviceAndSwapChain(renderHost.Handle);
swapChain = device.SwapChain;
// Create a render target view
using (Texture2D pBuffer = swapChain.GetBuffer <Texture2D>(0))
{
renderTargetView = device.CreateRenderTargetView(pBuffer);
}
// Create depth stencil texture
Texture2DDescription descDepth = new Texture2DDescription()
{
Width = (uint)renderHost.ActualWidth,
Height = (uint)renderHost.ActualHeight,
MipLevels = 1,
ArraySize = 1,
Format = Format.D32Float,
SampleDescription = new SampleDescription()
{
Count = 1,
Quality = 0
},
BindingOptions = BindingOptions.DepthStencil,
};
depthStencil = device.CreateTexture2D(descDepth);
// Create the depth stencil view
DepthStencilViewDescription depthStencilViewDesc = new DepthStencilViewDescription()
{
Format = descDepth.Format,
ViewDimension = DepthStencilViewDimension.Texture2D
};
depthStencilView = device.CreateDepthStencilView(depthStencil, depthStencilViewDesc);
// bind the views to the device
device.OM.RenderTargets = new OutputMergerRenderTargets(new RenderTargetView[] { renderTargetView }, depthStencilView);
// Setup the viewport
Viewport vp = new Viewport()
{
Width = (uint)renderHost.ActualWidth,
Height = (uint)renderHost.ActualHeight,
MinDepth = 0.0f,
MaxDepth = 1.0f,
TopLeftX = 0,
TopLeftY = 0
};
device.RS.Viewports = new Viewport[] { vp };
}
void InitDevice()
{
// create Direct 3D device
device = D3DDevice.CreateDeviceAndSwapChain( renderHost.Handle, out swapChain );
// Create a render target view
using (Texture2D pBuffer = swapChain.GetBuffer<Texture2D>(0))
{
renderTargetView = device.CreateRenderTargetView(pBuffer);
}
// Create depth stencil texture
Texture2DDescription descDepth = new Texture2DDescription()
{
Width = (uint)renderHost.ActualWidth,
Height = (uint)renderHost.ActualHeight,
MipLevels = 1,
ArraySize = 1,
Format = Format.D32_FLOAT,
SampleDescription = new SampleDescription()
{
Count = 1,
Quality = 0
},
BindFlags = BindFlag.DepthStencil,
};
depthStencil = device.CreateTexture2D(descDepth);
// Create the depth stencil view
DepthStencilViewDescription depthStencilViewDesc = new DepthStencilViewDescription()
{
Format = descDepth.Format,
ViewDimension = DepthStencilViewDimension.Texture2D
};
depthStencilView = device.CreateDepthStencilView(depthStencil, depthStencilViewDesc);
// bind the views to the device
device.OM.SetRenderTargets(new RenderTargetView[] { renderTargetView }, depthStencilView );
// Setup the viewport
Viewport vp = new Viewport()
{
Width = (uint)renderHost.ActualWidth,
Height = (uint)renderHost.ActualHeight,
MinDepth = 0.0f,
MaxDepth = 1.0f,
TopLeftX = 0,
TopLeftY = 0
};
device.RS.SetViewports(new Viewport[] { vp });
}
protected virtual void BufferSizeChanged(object sender, SizeChangedEventArgs e)
{
if (dxInitialized)
{
Texture2DDescription tdesc = new Texture2DDescription
{
ArraySize = 1,
Width = (uint)e.NewSize.Width,
Height = (uint)e.NewSize.Height,
Format = WindowsAPICodePack.DirectX.Graphics.Format.B8G8R8A8UNorm,
MipLevels = 1,
SampleDescription = new WindowsAPICodePack.DirectX.Graphics.SampleDescription()
{
Count = 1, Quality = 0
},
Usage = Usage.Default,
BindingOptions = BindingOptions.RenderTarget | BindingOptions.ShaderResource,
MiscellaneousResourceOptions = MiscellaneousResourceOptions.Shared,
CpuAccessOptions = CpuAccessOptions.None
};
using (Texture2D texture2D = device.CreateTexture2D(tdesc))
{
renderTargetView = device.CreateRenderTargetView(texture2D);
deviceContext.OM.RenderTargets = new OutputMergerRenderTargets(new RenderTargetView[] { renderTargetView });
/* Set the backbuffer, which is a ID3D11Texture2D pointer */
d3dImage.SetBackBufferEx(D3DResourceTypeEx.ID3D11Texture2D, texture2D.NativeInterface);
}
// viewport
SwapChainDescription desc = swapChain.Description;
Viewport viewport = new Viewport();
viewport.Width = (float)e.NewSize.Width;
viewport.Height = (float)e.NewSize.Height;
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 1.0f;
viewport.TopLeftX = 0;
viewport.TopLeftY = 0;
deviceContext.RS.Viewports = new Viewport[] { viewport };
aspectRatio = e.NewSize.Width / e.NewSize.Height;
Update();
}
}
protected virtual void BufferSizeChanged(object sender, SizeChangedEventArgs e)
{
if (dxInitialized)
{
Texture2DDescription tdesc = new Texture2DDescription
{
ArraySize = 1,
Width = (uint)e.NewSize.Width,
Height = (uint)e.NewSize.Height,
Format = Format.B8G8R8A8_UNORM,
MipLevels = 1,
SampleDescription = new SampleDescription {
Count = 1, Quality = 0
},
Usage = Usage.Default,
BindFlags = BindFlag.RenderTarget | BindFlag.ShaderResource,
MiscFlags = ResourceMiscFlag.Shared,
CpuAccessFlags = 0
};
using (Texture2D texture2D = device.CreateTexture2D(tdesc))
{
renderTargetView = device.CreateRenderTargetView(texture2D);
deviceContext.OM.SetRenderTargets(new RenderTargetView[] { renderTargetView });
/* Set the backbuffer, which is a ID3D11Texture2D pointer */
d3dImage.SetBackBufferEx(D3DResourceTypeEx.ID3D11Texture2D, texture2D.NativeInterface);
}
// viewport
SwapChainDescription desc = swapChain.Description;
Viewport viewport = new Viewport();
viewport.Width = (float)e.NewSize.Width;
viewport.Height = (float)e.NewSize.Height;
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 1.0f;
viewport.TopLeftX = 0;
viewport.TopLeftY = 0;
deviceContext.RS.SetViewports(new Viewport[] { viewport });
aspectRatio = e.NewSize.Width / e.NewSize.Height;
Update();
}
}
private void InitializeDX()
{
//perform DX Device and Context initialization
HwndSource hwnd = new HwndSource(0, 0, 0, 0, 0, "dxPlotterElement", IntPtr.Zero);
device = D3DDevice.CreateDeviceAndSwapChain(hwnd.Handle);
swapChain = device.SwapChain;
deviceContext = device.ImmediateContext;
CompositionTarget.Rendering += OnRenderingProccessReady;
Texture2DDescription tdesc = new Texture2DDescription
{
ArraySize = 1,
Width = 1,
Height = 1,
Format = Format.B8G8R8A8UNorm,
MipLevels = 1,
SampleDescription = new SampleDescription {
Count = 1, Quality = 0
},
Usage = Usage.Default,
BindingOptions = BindingOptions.RenderTarget | BindingOptions.ShaderResource,
MiscellaneousResourceOptions = MiscellaneousResourceOptions.Shared,
CpuAccessOptions = CpuAccessOptions.None
};
using (Texture2D texture2D = device.CreateTexture2D(tdesc))
{
renderTargetView = device.CreateRenderTargetView(texture2D);
deviceContext.OM.RenderTargets = new OutputMergerRenderTargets(new RenderTargetView[] { renderTargetView });
d3dImage.SetBackBufferEx(D3DResourceTypeEx.ID3D11Texture2D, texture2D.NativeInterface);
}
dxInitialized = true;
OnDeviceInitialized();
}
private void InitializeDX()
{
//perform DX Device and Context initialization
HwndSource hwnd = new HwndSource(0, 0, 0, 0, 0, "dxPlotterElement", IntPtr.Zero);
device = D3DDevice.CreateDeviceAndSwapChain(hwnd.Handle, out swapChain);
deviceContext = device.GetImmediateContext();
CompositionTarget.Rendering += OnRenderingProccessReady;
Texture2DDescription tdesc = new Texture2DDescription
{
ArraySize = 1,
Width = 1,
Height = 1,
Format = Format.B8G8R8A8_UNORM,
MipLevels = 1,
SampleDescription = new SampleDescription { Count = 1, Quality = 0 },
Usage = Usage.Default,
BindFlags = BindFlag.RenderTarget | BindFlag.ShaderResource,
MiscFlags = ResourceMiscFlag.Shared,
CpuAccessFlags = 0
};
using (Texture2D texture2D = device.CreateTexture2D(tdesc))
{
renderTargetView = device.CreateRenderTargetView(texture2D);
deviceContext.OM.SetRenderTargets(new RenderTargetView[] { renderTargetView });
d3dImage.SetBackBufferEx(D3DResourceTypeEx.ID3D11Texture2D, texture2D.NativeInterface);
}
dxInitialized = true;
OnDeviceInitialized();
}
void Window1_SizeChanged(object sender, SizeChangedEventArgs e)
{
if (device != null)
{
//need to remove the reference to the swapchain's backbuffer to enable ResizeBuffers() call
renderTargetView.Dispose();
SwapChainDescription sd = swapChain.Description;
swapChain.ResizeBuffers(
sd.BufferCount,
(uint)renderHost.ActualWidth,
(uint)renderHost.ActualHeight,
sd.BufferDescription.Format,
sd.Options);
using (Texture2D pBuffer = swapChain.GetBuffer <Texture2D>(0))
{
renderTargetView = device.CreateRenderTargetView(pBuffer);
}
// Create depth stencil texture
Texture2DDescription descDepth = new Texture2DDescription()
{
Width = (uint)renderHost.ActualWidth,
Height = (uint)renderHost.ActualHeight,
MipLevels = 1,
ArraySize = 1,
Format = Format.D32Float,
SampleDescription = new SampleDescription()
{
Count = 1,
Quality = 0
},
BindingOptions = BindingOptions.DepthStencil,
};
depthStencil = device.CreateTexture2D(descDepth);
// Create the depth stencil view
DepthStencilViewDescription depthStencilViewDesc = new DepthStencilViewDescription()
{
Format = descDepth.Format,
ViewDimension = DepthStencilViewDimension.Texture2D
};
depthStencilView = device.CreateDepthStencilView(depthStencil, depthStencilViewDesc);
// bind the views to the device
device.OM.RenderTargets = new OutputMergerRenderTargets(new RenderTargetView[] { renderTargetView }, depthStencilView);
// Setup the viewport
Viewport vp = new Viewport()
{
Width = (uint)renderHost.ActualWidth,
Height = (uint)renderHost.ActualHeight,
MinDepth = 0.0f,
MaxDepth = 1.0f,
TopLeftX = 0,
TopLeftY = 0
};
device.RS.Viewports = new Viewport[] { vp };
}
}
private static ShaderResourceView LoadFromDecoder(D3DDevice device, ImagingFactory factory, BitmapDecoder bitmapDecoder)
{
if (bitmapDecoder.FrameCount == 0)
throw new ArgumentException("Image file successfully loaded, but it has no image frames.");
BitmapFrameDecode bitmapFrameDecode = bitmapDecoder.GetFrame(0);
BitmapSource bitmapSource = bitmapFrameDecode.ToBitmapSource();
// create texture description
Texture2DDescription textureDescription = new Texture2DDescription()
{
Width = bitmapSource.Size.Width,
Height = bitmapSource.Size.Height,
MipLevels = 1,
ArraySize = 1,
Format = Format.R8G8B8A8_UNORM,
SampleDescription = new SampleDescription()
{
Count = 1,
Quality = 0,
},
Usage = Usage.Dynamic,
BindFlags = BindFlag.ShaderResource,
CpuAccessFlags = CpuAccessFlag.Write,
MiscFlags = 0
};
// create texture
Texture2D texture = device.CreateTexture2D(textureDescription);
// Create a format converter
WICFormatConverter converter = factory.CreateFormatConverter();
converter.Initialize(
bitmapSource,
PixelFormats.Pf32bppRGBA,
BitmapDitherType.None,
BitmapPaletteType.Custom);
// get bitmap data
byte[] buffer = converter.CopyPixels();
// Copy bitmap data to texture
MappedTexture2D texmap = texture.Map(0, Map.WriteDiscard, MapFlag.Unspecified);
Marshal.Copy(buffer, 0, texmap.Data, buffer.Length);
texture.Unmap(0);
// create shader resource view description
ShaderResourceViewDescription srvDescription = new ShaderResourceViewDescription()
{
Format = textureDescription.Format,
ViewDimension = ShaderResourceViewDimension.Texture2D,
Texture2D = new Texture2DShaderResourceView()
{
MipLevels = textureDescription.MipLevels,
MostDetailedMip = 0
}
};
// create shader resource view from texture
return device.CreateShaderResourceView(texture, srvDescription);
}
private static ShaderResourceView LoadFromDecoder(D3DDevice device, ImagingFactory factory, BitmapDecoder bitmapDecoder)
{
if (bitmapDecoder.FrameCount == 0)
{
throw new ArgumentException("Image file successfully loaded, but it has no image frames.");
}
BitmapFrameDecode bitmapFrameDecode = bitmapDecoder.GetFrame(0);
BitmapSource bitmapSource = bitmapFrameDecode.ToBitmapSource();
// create texture description
Texture2DDescription textureDescription = new Texture2DDescription()
{
Width = bitmapSource.Size.Width,
Height = bitmapSource.Size.Height,
MipLevels = 1,
ArraySize = 1,
Format = Format.R8G8B8A8UNorm,
SampleDescription = new SampleDescription()
{
Count = 1,
Quality = 0,
},
Usage = Usage.Dynamic,
BindingOptions = BindingOptions.ShaderResource,
CpuAccessOptions = CpuAccessOptions.Write,
MiscellaneousResourceOptions = MiscellaneousResourceOptions.None
};
// create texture
Texture2D texture = device.CreateTexture2D(textureDescription);
// Create a format converter
FormatConverter converter = factory.CreateFormatConverter();
converter.Initialize(
bitmapSource,
PixelFormats.Prgba32Bpp,
BitmapDitherType.None,
BitmapPaletteType.Custom);
// get bitmap data
byte[] buffer = converter.CopyPixels();
// Copy bitmap data to texture
MappedTexture2D texmap = texture.Map(0, Map.WriteDiscard, Microsoft.WindowsAPICodePack.DirectX.Direct3D10.MapOptions.None);
Marshal.Copy(buffer, 0, texmap.Data, buffer.Length);
texture.Unmap(0);
// create shader resource view description
ShaderResourceViewDescription srvDescription = new ShaderResourceViewDescription()
{
Format = textureDescription.Format,
ViewDimension = ShaderResourceViewDimension.Texture2D,
Texture2D = new Texture2DShaderResourceView()
{
MipLevels = textureDescription.MipLevels,
MostDetailedMip = 0
}
};
// create shader resource view from texture
return(device.CreateShaderResourceView(texture, srvDescription));
}
