private void InitalizeGraphics()
{
if (Window.RenderCanvasHandle == IntPtr.Zero)
{
throw new InvalidOperationException("Window handle cannot be zero");
}
SwapChainDescription swapChainDesc = new SwapChainDescription()
{
BufferCount = 1,
Flags = SwapChainFlags.None,
IsWindowed = true,
OutputHandle = Window.RenderCanvasHandle,
SwapEffect = SwapEffect.Discard,
Usage = Usage.RenderTargetOutput,
ModeDescription = new ModeDescription()
{
Format = SlimDX.DXGI.Format.R8G8B8A8_UNorm,
//Format = SlimDX.DXGI.Format.B8G8R8A8_UNorm,
Width = Window.ClientSize.Width,
Height = Window.ClientSize.Height,
RefreshRate = new Rational(60, 1),
Scaling = DisplayModeScaling.Unspecified,
ScanlineOrdering = DisplayModeScanlineOrdering.Unspecified
},
SampleDescription = new SampleDescription(1, 0)
};
var giFactory = new SlimDX.DXGI.Factory();
var adapter = giFactory.GetAdapter(0);
Device device;
SwapChain swapChain;
Device.CreateWithSwapChain(adapter, DriverType.Hardware, DeviceCreationFlags.None, swapChainDesc, out device, out swapChain);
_swapChain = swapChain;
GraphicsDevice = device;
// create a view of our render target, which is the backbuffer of the swap chain we just created
using (var resource = SlimDX.Direct3D10.Resource.FromSwapChain <Texture2D>(swapChain, 0))
{
_backBuffer = new RenderTargetView(device, resource);
}
// setting a viewport is required if you want to actually see anything
var viewport = new Viewport(0, 0, Window.ClientSize.Width, Window.ClientSize.Height);
device.OutputMerger.SetTargets(_backBuffer);
device.Rasterizer.SetViewports(viewport);
CreateDepthStencil();
LoadVisualizationEffect();
// Allocate a large buffer to write the PhysX visualization vertices into
// There's more optimized ways of doing this, but for this sample a large buffer will do
_userPrimitivesBuffer = new SlimDX.Direct3D10.Buffer(GraphicsDevice, VertexPositionColor.SizeInBytes * 50000, ResourceUsage.Dynamic, BindFlags.VertexBuffer, CpuAccessFlags.Write, ResourceOptionFlags.None);
var elements = new[]
{
new InputElement("Position", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("Color", 0, Format.R32G32B32A32_Float, 16, 0)
};
_inputLayout = new InputLayout(GraphicsDevice, _visualizationEffect.RenderScenePass0.Description.Signature, elements);
}
private void InitalizeGraphics()
{
if (Window.RenderCanvasHandle == IntPtr.Zero)
throw new InvalidOperationException();
SwapChainDescription swapChainDesc = new SwapChainDescription()
{
BufferCount = 1,
Flags = SwapChainFlags.None,
IsWindowed = true,
OutputHandle = Window.RenderCanvasHandle,
SwapEffect = SwapEffect.Discard,
Usage = Usage.RenderTargetOutput,
ModeDescription = new ModeDescription()
{
Format = SlimDX.DXGI.Format.R8G8B8A8_UNorm,
//Format = SlimDX.DXGI.Format.B8G8R8A8_UNorm,
Width = (int)Window.RenderCanvasSize.Width,
Height = (int)Window.RenderCanvasSize.Height,
RefreshRate = new Rational(60, 1),
Scaling = DisplayModeScaling.Unspecified,
ScanlineOrdering = DisplayModeScanlineOrdering.Unspecified
},
SampleDescription = new SampleDescription(1, 0)
};
var giFactory = new SlimDX.DXGI.Factory();
var adapter = giFactory.GetAdapter(0);
Device device;
SwapChain swapChain;
Device.CreateWithSwapChain(adapter, DriverType.Hardware, DeviceCreationFlags.Debug, swapChainDesc, out device, out swapChain);
_swapChain = swapChain;
GraphicsDevice = device;
// create a view of our render target, which is the backbuffer of the swap chain we just created
using (var resource = SlimDX.Direct3D10.Resource.FromSwapChain<Texture2D>(swapChain, 0))
{
_backBuffer = new RenderTargetView(device, resource);
}
// setting a viewport is required if you want to actually see anything
var viewport = new Viewport(0, 0, (int)Window.RenderCanvasSize.Width, (int)Window.RenderCanvasSize.Height);
device.OutputMerger.SetTargets(_backBuffer);
device.Rasterizer.SetViewports(viewport);
CreateDepthStencil();
LoadVisualizationEffect();
// Allocate a large buffer to write the PhysX visualization vertices into
// There's more optimized ways of doing this, but for this sample a large buffer will do
_userPrimitivesBuffer = new SlimDX.Direct3D10.Buffer(GraphicsDevice, VertexPositionColor.SizeInBytes * 50000, ResourceUsage.Dynamic, BindFlags.VertexBuffer, CpuAccessFlags.Write, ResourceOptionFlags.None);
var elements = new[]
{
new InputElement("Position", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("Color", 0, Format.R32G32B32A32_Float, 16, 0)
};
_inputLayout = new InputLayout(GraphicsDevice, _visualizationEffect.RenderScenePass0.Description.Signature, elements);
// States
var blendDesc = new BlendStateDescription()
{
SourceBlend = BlendOption.One,
DestinationBlend = BlendOption.Zero,
BlendOperation = BlendOperation.Add,
SourceAlphaBlend = BlendOption.One,
DestinationAlphaBlend = BlendOption.Zero,
AlphaBlendOperation = BlendOperation.Add
};
blendDesc.SetBlendEnable(0, true);
_blendState = BlendState.FromDescription(device, blendDesc);
var rasterDesc = new RasterizerStateDescription()
{
IsAntialiasedLineEnabled = false,
IsMultisampleEnabled = false,
FillMode = FillMode.Solid,
CullMode = CullMode.None
};
_rasterizerState = RasterizerState.FromDescription(device, rasterDesc);
}
static void BuildQuad()
{
ushort[] idx;
TexturedVertex[] quad = CreateTexturedQuad(Vector3.Zero, size.Width, size.Height, out idx);
// fill vertex and index buffers
DataStream stream = new DataStream(4 * 24, true, true);
stream.WriteRange(quad);
stream.Position = 0;
vertices = new SlimDX.Direct3D10.Buffer(device, stream, new BufferDescription()
{
BindFlags = BindFlags.VertexBuffer,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags =
ResourceOptionFlags.None,
SizeInBytes = 4 * 24,
Usage = ResourceUsage.Default
});
stream.Close();
stream = new DataStream(6 * sizeof(ushort), true, true);
stream.WriteRange(idx);
stream.Position = 0;
indices = new SlimDX.Direct3D10.Buffer(device, stream, new BufferDescription()
{
BindFlags = BindFlags.IndexBuffer,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
SizeInBytes = 6 * sizeof(ushort),
Usage = ResourceUsage.Default
});
}
public virtual void Update(Device device, ShaderSignature effectSignature)
{
if (device != null && !device.Disposed)
{
mDevice = device;
mSignature = effectSignature;
// If there is less than 1 vertex then we can't make a point, let alone a shape!
if (Vertices != null && Vertices.Count > 0)
{
CalculatePreTransformBoundingBox();
// Add Vertices to a datastream.
using (DataStream dataStream = new DataStream(Vertices.NumBytes, true, true))
{
dataStream.WriteRange(this.Vertices.ToArray());
dataStream.Position = 0;
// Create a new data buffer description and buffer
BufferDescription desc = new BufferDescription()
{
BindFlags = BindFlags.VertexBuffer,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
SizeInBytes = Vertices.NumBytes,
Usage = ResourceUsage.Default
};
if (vertexBuffer != null)
vertexBuffer.Dispose();
vertexBuffer = new SlimDX.Direct3D10.Buffer(device, dataStream, desc);
//dataStream.Close();
}
if (Vertices != null && Vertices.Count > 0)
{
// Set the input layout.
InputElement[] inputElements = Vertices[0].GetInputElements();
if (vertexLayout != null)
vertexLayout.Dispose();
vertexLayout = new InputLayout(device, effectSignature, inputElements);
// Draw Indexed
if (Vertices.Indices != null && Vertices.Indices.Count > 0)
{
using (DataStream iStream = new DataStream(sizeof(int) * Vertices.Indices.Count, true, true))
{
iStream.WriteRange(Vertices.Indices.ToArray());
iStream.Position = 0;
BufferDescription desc = new BufferDescription()
{
Usage = ResourceUsage.Default,
SizeInBytes = sizeof(int) * Vertices.Indices.Count,
BindFlags = BindFlags.IndexBuffer,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None
};
if (indexBuffer != null)
indexBuffer.Dispose();
indexBuffer = new Buffer(device, iStream, desc);
//iStream.Close();
}
}
else
{
if (indexBuffer != null) indexBuffer.Dispose();
indexBuffer = null;
}
}
else
{
if (vertexBuffer != null) vertexBuffer.Dispose();
vertexBuffer = null;
}
}
}
FireShapeChangeEvent(new ShapeChangeEventArgs(this, ShapeChangeEventArgs.ChangeAction.None));
}
