private Number4 GetBlendFactor(BlendOption blend, ref Number4 source, ref Number4 destination, ref Number4 blendFactor)
{
switch (blend)
{
case BlendOption.Zero:
return new Number4(0, 0, 0, 0);
case BlendOption.One:
return new Number4(1, 1, 1, 1);
case BlendOption.SourceColor:
return source;
case BlendOption.InverseSourceColor:
return Number4.Invert(ref source);
case BlendOption.SourceAlpha:
return new Number4(source.A, source.A, source.A, source.A);
case BlendOption.InverseSourceAlpha:
return Number4.Invert(new Number4(source.A, source.A, source.A, source.A));
case BlendOption.DestinationAlpha:
return new Number4(destination.A, destination.A, destination.A, destination.A);
case BlendOption.InverseDestinationAlpha:
return Number4.Invert(new Number4(destination.A, destination.A, destination.A, destination.A));
case BlendOption.DestinationColor:
return destination;
case BlendOption.InverseDestinationColor:
return Number4.Invert(ref destination);
case BlendOption.SourceAlphaSaturate:
return Number4.Saturate(new Number4(source.A, source.A, source.A, source.A));
case BlendOption.BlendFactor:
return blendFactor;
case BlendOption.InverseBlendFactor:
return Number4.Invert(ref blendFactor);
default:
throw new NotSupportedException();
}
}
public BlendState(bool blendEnabled,
BlendOperation blendOperation, BlendOperation alphaBlendOperation,
BlendOption sourceBlend, BlendOption destinationBlend,
BlendOption sourceAlphhaBlend, BlendOption destinationAlphaBlend)
{
RenderTargetBlendDescription targetDesc = new RenderTargetBlendDescription()
{
AlphaBlendOperation = alphaBlendOperation,
BlendOperation = blendOperation,
DestinationAlphaBlend = destinationAlphaBlend,
SourceAlphaBlend = sourceAlphhaBlend,
SourceBlend = sourceBlend,
DestinationBlend = destinationBlend,
IsBlendEnabled = blendEnabled,
RenderTargetWriteMask = ColorWriteMaskFlags.All
};
BlendStateDescription desc = new BlendStateDescription()
{
IndependentBlendEnable = false,
};
desc.RenderTarget[0] = targetDesc;
NativeBlendState = new SharpDX.Direct3D11.BlendState(GraphicManager.Device, desc);
}
private static BlendState Create(Device5 device,
string name,
BlendOption sourceBlend,
BlendOption destinationBlend,
bool blendEnabled)
{
return(Create(
device,
name,
new BlendStateDescription
{
AlphaToCoverageEnable = false,
IndependentBlendEnable = false,
RenderTarget =
{
[0] = new RenderTargetBlendDescription
{
IsBlendEnabled = blendEnabled,
SourceBlend = sourceBlend,
DestinationBlend = destinationBlend,
SourceAlphaBlend = sourceBlend,
DestinationAlphaBlend = destinationBlend,
BlendOperation = BlendOperation.Add,
AlphaBlendOperation = BlendOperation.Add,
RenderTargetWriteMask = ColorWriteMaskFlags.All
}
}
}));
}
/// <summary>
/// <p>Create a blend-state object that encapsulates blend state for the output-merger stage.</p>
/// </summary>
/// <param name="device">The <see cref="DirectXDevice"/>.</param>
/// <param name="sourceBlend">The source blend.</param>
/// <param name="destinationBlend">The destination blend.</param>
/// <param name="blendOperation">The blend operation.</param>
/// <param name="sourceAlphaBlend">The source alpha blend.</param>
/// <param name="destinationAlphaBlend">The destination alpha blend.</param>
/// <param name="alphaBlendOperation">The alpha blend operation.</param>
/// <param name="renderTargetWriteMask">The render target write mask.</param>
/// <param name="mask">The mask.</param>
/// <returns>A new <see cref="BlendState" /> instance.</returns>
/// <msdn-id>ff476500</msdn-id>
/// <unmanaged>HRESULT ID3D11Device::CreateBlendState([In] const D3D11_BLEND_DESC* pBlendStateDesc,[Out, Fast] ID3D11BlendState** ppBlendState)</unmanaged>
/// <unmanaged-short>ID3D11Device::CreateBlendState</unmanaged-short>
/// <remarks><p>An application can create up to 4096 unique blend-state objects. For each object created, the runtime checks to see if a previous object has the same state. If such a previous object exists, the runtime will return a reference to previous instance instead of creating a duplicate object.</p></remarks>
public static BlendState New(DirectXDevice device, BlendOption sourceBlend, BlendOption destinationBlend,
BlendOperation blendOperation, BlendOption sourceAlphaBlend, BlendOption destinationAlphaBlend,
BlendOperation alphaBlendOperation, ColorWriteMaskFlags renderTargetWriteMask = ColorWriteMaskFlags.All,
int mask = -1)
{
return(New(device, sourceBlend, destinationBlend, blendOperation, sourceAlphaBlend, destinationAlphaBlend,
alphaBlendOperation, renderTargetWriteMask, Color.White, mask));
}
/// <summary>
/// <p>Create a blend-state object that encapsulates blend state for the output-merger stage.</p>
/// </summary>
/// <param name="device">The <see cref="DirectXDevice"/>.</param>
/// <param name="sourceBlend">The source blend.</param>
/// <param name="destinationBlend">The destination blend.</param>
/// <param name="blendOperation">The blend operation.</param>
/// <param name="sourceAlphaBlend">The source alpha blend.</param>
/// <param name="destinationAlphaBlend">The destination alpha blend.</param>
/// <param name="alphaBlendOperation">The alpha blend operation.</param>
/// <param name="renderTargetWriteMask">The render target write mask.</param>
/// <param name="blendFactor">The blend factor.</param>
/// <param name="mask">The mask.</param>
/// <returns>A new <see cref="BlendState"/> instance.</returns>
/// <msdn-id>ff476500</msdn-id>
/// <unmanaged>HRESULT ID3D11Device::CreateBlendState([In] const D3D11_BLEND_DESC* pBlendStateDesc,[Out, Fast] ID3D11BlendState** ppBlendState)</unmanaged>
/// <unmanaged-short>ID3D11Device::CreateBlendState</unmanaged-short>
/// <remarks><p>An application can create up to 4096 unique blend-state objects. For each object created, the runtime checks to see if a previous object has the same state. If such a previous object exists, the runtime will return a reference to previous instance instead of creating a duplicate object.</p></remarks>
public static BlendState New(DirectXDevice device, BlendOption sourceBlend, BlendOption destinationBlend,
BlendOperation blendOperation, BlendOption sourceAlphaBlend, BlendOption destinationAlphaBlend,
BlendOperation alphaBlendOperation, ColorWriteMaskFlags renderTargetWriteMask, Color4 blendFactor,
int mask = -1)
{
return(New(device,
new RenderTargetBlendDescription(true, sourceBlend, destinationBlend, blendOperation, sourceAlphaBlend,
destinationAlphaBlend, alphaBlendOperation, renderTargetWriteMask), blendFactor, mask));
}
public void Load(BinaryReader reader)
{
AlphaBlendOperation = (BlendOperation)reader.ReadByte();
BlendOperation = (BlendOperation)reader.ReadByte();
ColourWriteMask = (ColorWriteMaskFlags)reader.ReadByte();
DestinationAlphaBlend = (BlendOption)reader.ReadByte();
DestinationBlend = (BlendOption)reader.ReadByte();
SourceAlphaBlend = (BlendOption)reader.ReadByte();
SourceBlend = (BlendOption)reader.ReadByte();
}
/// <summary>
/// Initializes a new instance of the <see cref="RenderTargetBlendDescription" /> struct.
/// </summary>
/// <param name="isBlendEnabled">The is blend enabled.</param>
/// <param name="sourceBlend">The source blend.</param>
/// <param name="destinationBlend">The destination blend.</param>
/// <param name="blendOperation">The blend operation.</param>
/// <param name="sourceAlphaBlend">The source alpha blend.</param>
/// <param name="destinationAlphaBlend">The destination alpha blend.</param>
/// <param name="alphaBlendOperation">The alpha blend operation.</param>
/// <param name="renderTargetWriteMask">The render target write mask.</param>
public RenderTargetBlendDescription(bool isBlendEnabled, BlendOption sourceBlend, BlendOption destinationBlend, BlendOperation blendOperation, BlendOption sourceAlphaBlend, BlendOption destinationAlphaBlend, BlendOperation alphaBlendOperation, ColorWriteMaskFlags renderTargetWriteMask)
{
IsBlendEnabled = isBlendEnabled;
SourceBlend = sourceBlend;
DestinationBlend = destinationBlend;
BlendOperation = blendOperation;
SourceAlphaBlend = sourceAlphaBlend;
DestinationAlphaBlend = destinationAlphaBlend;
AlphaBlendOperation = alphaBlendOperation;
RenderTargetWriteMask = renderTargetWriteMask;
}
/// <summary>
/// Set current blending state
/// </summary>
/// <param name="operation">Blend Operation</param>
/// <param name="source">Source Option</param>
/// <param name="destination">Destination Option</param>
public void SetBlend(BlendOperation operation, BlendOption source, BlendOption destination)
{
Utilities.Dispose(ref _blendState);
BlendStateDescription description = BlendStateDescription.Default();
description.RenderTarget[0].BlendOperation = operation;
description.RenderTarget[0].SourceBlend = source;
description.RenderTarget[0].DestinationBlend = destination;
description.RenderTarget[0].IsBlendEnabled = true;
_blendState = new BlendState(Device, description);
}
/// <summary>
/// Initializes a new instance of the <see cref="RenderTargetBlendDescription" /> struct.
/// </summary>
/// <param name="isBlendEnabled">The is blend enabled.</param>
/// <param name="sourceBlend">The source blend.</param>
/// <param name="destinationBlend">The destination blend.</param>
/// <param name="blendOperation">The blend operation.</param>
/// <param name="sourceAlphaBlend">The source alpha blend.</param>
/// <param name="destinationAlphaBlend">The destination alpha blend.</param>
/// <param name="alphaBlendOperation">The alpha blend operation.</param>
/// <param name="renderTargetWriteMask">The render target write mask.</param>
public RenderTargetBlendDescription(bool isBlendEnabled, BlendOption sourceBlend, BlendOption destinationBlend, BlendOperation blendOperation, BlendOption sourceAlphaBlend, BlendOption destinationAlphaBlend, BlendOperation alphaBlendOperation, ColorWriteMaskFlags renderTargetWriteMask)
{
IsBlendEnabled = isBlendEnabled;
SourceBlend = sourceBlend;
DestinationBlend = destinationBlend;
BlendOperation = blendOperation;
SourceAlphaBlend = sourceAlphaBlend;
DestinationAlphaBlend = destinationAlphaBlend;
AlphaBlendOperation = alphaBlendOperation;
RenderTargetWriteMask = renderTargetWriteMask;
}
public BlendStateDescription(BlendOption sourceBlend, BlendOption destinationBlend)
: this()
{
RenderTarget[0] = new RenderTargetBlendDescription
{
IsBlendEnabled = true,
SourceBlend = sourceBlend,
SourceAlphaBlend = sourceBlend,
DestinationBlend = destinationBlend,
DestinationAlphaBlend = destinationBlend
};
}
public BlendStateDescription(BlendOption sourceBlend, BlendOption destinationBlend)
: this()
{
RenderTarget[0] = new RenderTargetBlendDescription
{
IsBlendEnabled = true,
SourceBlend = sourceBlend,
SourceAlphaBlend = sourceBlend,
DestinationBlend = destinationBlend,
DestinationAlphaBlend = destinationBlend
};
}
internal static BlendState New(GraphicsDevice device, string name, BlendOption sourceBlend, BlendOption destinationBlend)
{
var description = BlendStateDescription.Default();
description.RenderTarget[0].IsBlendEnabled = true;
description.RenderTarget[0].SourceBlend = sourceBlend;
description.RenderTarget[0].DestinationBlend = destinationBlend;
description.RenderTarget[0].SourceAlphaBlend = sourceBlend;
description.RenderTarget[0].DestinationAlphaBlend = destinationBlend;
return(new BlendState(device, description, Color.White, -1)
{
Name = name
});
}
protected static BlendStateDescription GetBlendStateDescription(
BlendOption source = BlendOption.SourceAlpha,
BlendOption destination = BlendOption.InverseSourceAlpha)
{
var description = new BlendStateDescription();
description.RenderTarget[0].IsBlendEnabled = (source != BlendOption.One) ||
(destination != BlendOption.Zero);
description.RenderTarget[0].SourceBlend =
description.RenderTarget[0].SourceAlphaBlend = source;
description.RenderTarget[0].DestinationBlend =
description.RenderTarget[0].DestinationAlphaBlend = destination;
description.RenderTarget[0].BlendOperation =
description.RenderTarget[0].AlphaBlendOperation = BlendOperation.Add;
description.RenderTarget[0].RenderTargetWriteMask = ColorWriteMaskFlags.All;
return description;
}
private Number4 GetBlendFactor(BlendOption blend, ref Number4 source, ref Number4 destination, ref Number4 blendFactor)
{
switch (blend)
{
case BlendOption.Zero:
return(new Number4(0, 0, 0, 0));
case BlendOption.One:
return(new Number4(1, 1, 1, 1));
case BlendOption.SourceColor:
return(source);
case BlendOption.InverseSourceColor:
return(Number4.Invert(ref source));
case BlendOption.SourceAlpha:
return(new Number4(source.A, source.A, source.A, source.A));
case BlendOption.InverseSourceAlpha:
return(Number4.Invert(new Number4(source.A, source.A, source.A, source.A)));
case BlendOption.DestinationAlpha:
return(new Number4(destination.A, destination.A, destination.A, destination.A));
case BlendOption.InverseDestinationAlpha:
return(Number4.Invert(new Number4(destination.A, destination.A, destination.A, destination.A)));
case BlendOption.DestinationColor:
return(destination);
case BlendOption.InverseDestinationColor:
return(Number4.Invert(ref destination));
case BlendOption.SourceAlphaSaturate:
return(Number4.Saturate(new Number4(source.A, source.A, source.A, source.A)));
case BlendOption.BlendFactor:
return(blendFactor);
case BlendOption.InverseBlendFactor:
return(Number4.Invert(ref blendFactor));
default:
throw new NotSupportedException();
}
}
private static BlendState CreateBlendState(bool enable, BlendOption src, BlendOption dst)
{
var dev = ImageFramework.DirectX.Device.Get();
var blendDesc = new BlendStateDescription
{
AlphaToCoverageEnable = false,
IndependentBlendEnable = false
};
blendDesc.RenderTarget[0] = new RenderTargetBlendDescription
{
IsBlendEnabled = enable,
BlendOperation = BlendOperation.Add,
AlphaBlendOperation = BlendOperation.Add,
SourceBlend = src,
DestinationBlend = dst,
SourceAlphaBlend = BlendOption.One,
DestinationAlphaBlend = BlendOption.Zero,
RenderTargetWriteMask = ColorWriteMaskFlags.All
};
return(new BlendState(dev.Handle, blendDesc));
}
internal static BlendState New(GraphicsDevice device, string name, BlendOption sourceBlend, BlendOption destinationBlend)
{
var description = BlendStateDescription.Default();
description.RenderTarget[0].IsBlendEnabled = true;
description.RenderTarget[0].SourceBlend = sourceBlend;
description.RenderTarget[0].DestinationBlend = destinationBlend;
description.RenderTarget[0].SourceAlphaBlend = sourceBlend;
description.RenderTarget[0].DestinationAlphaBlend = destinationBlend;
return new BlendState(device, description, Color.White, -1) {Name = name};
}
/// <summary>
/// <p>Create a blend-state object that encapsulates blend state for the output-merger stage.</p>
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="sourceBlend">The source blend.</param>
/// <param name="destinationBlend">The destination blend.</param>
/// <param name="blendOperation">The blend operation.</param>
/// <param name="sourceAlphaBlend">The source alpha blend.</param>
/// <param name="destinationAlphaBlend">The destination alpha blend.</param>
/// <param name="alphaBlendOperation">The alpha blend operation.</param>
/// <param name="renderTargetWriteMask">The render target write mask.</param>
/// <param name="blendFactor">The blend factor.</param>
/// <param name="mask">The mask.</param>
/// <returns>A new <see cref="BlendState"/> instance.</returns>
/// <msdn-id>ff476500</msdn-id>
/// <unmanaged>HRESULT ID3D11Device::CreateBlendState([In] const D3D11_BLEND_DESC* pBlendStateDesc,[Out, Fast] ID3D11BlendState** ppBlendState)</unmanaged>
/// <unmanaged-short>ID3D11Device::CreateBlendState</unmanaged-short>
/// <remarks><p>An application can create up to 4096 unique blend-state objects. For each object created, the runtime checks to see if a previous object has the same state. If such a previous object exists, the runtime will return a reference to previous instance instead of creating a duplicate object.</p></remarks>
public static BlendState New(GraphicsDevice device, BlendOption sourceBlend, BlendOption destinationBlend, BlendOperation blendOperation, BlendOption sourceAlphaBlend, BlendOption destinationAlphaBlend, BlendOperation alphaBlendOperation, ColorWriteMaskFlags renderTargetWriteMask, Color4 blendFactor, int mask = -1)
{
return New(device, new RenderTargetBlendDescription(true, sourceBlend, destinationBlend, blendOperation, sourceAlphaBlend, destinationAlphaBlend, alphaBlendOperation, renderTargetWriteMask), blendFactor, mask);
}
/// <summary>
/// <p>Create a blend-state object that encapsulates blend state for the output-merger stage.</p>
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="sourceBlend">The source blend.</param>
/// <param name="destinationBlend">The destination blend.</param>
/// <param name="blendOperation">The blend operation.</param>
/// <param name="sourceAlphaBlend">The source alpha blend.</param>
/// <param name="destinationAlphaBlend">The destination alpha blend.</param>
/// <param name="alphaBlendOperation">The alpha blend operation.</param>
/// <param name="renderTargetWriteMask">The render target write mask.</param>
/// <param name="mask">The mask.</param>
/// <returns>A new <see cref="BlendState" /> instance.</returns>
/// <msdn-id>ff476500</msdn-id>
/// <unmanaged>HRESULT ID3D11Device::CreateBlendState([In] const D3D11_BLEND_DESC* pBlendStateDesc,[Out, Fast] ID3D11BlendState** ppBlendState)</unmanaged>
/// <unmanaged-short>ID3D11Device::CreateBlendState</unmanaged-short>
/// <remarks><p>An application can create up to 4096 unique blend-state objects. For each object created, the runtime checks to see if a previous object has the same state. If such a previous object exists, the runtime will return a reference to previous instance instead of creating a duplicate object.</p></remarks>
public static BlendState New(GraphicsDevice device, BlendOption sourceBlend, BlendOption destinationBlend, BlendOperation blendOperation, BlendOption sourceAlphaBlend, BlendOption destinationAlphaBlend, BlendOperation alphaBlendOperation, ColorWriteMaskFlags renderTargetWriteMask = ColorWriteMaskFlags.All, int mask = -1)
{
return New(device, sourceBlend, destinationBlend, blendOperation, sourceAlphaBlend, destinationAlphaBlend, alphaBlendOperation, renderTargetWriteMask, Color.White, mask);
}
public void SetBlendOption(BlendOption blendoption)
{
option = blendoption;
}
public static BlendState CreateBlendState(Device device, bool blendEnable, BlendOperation op, BlendOption src, BlendOption dst, BlendOperation opAlpha, BlendOption srcAlpha, BlendOption dstAlpha, ColorWriteMaskFlags writeMask)
{
BlendStateDescription bsd = new BlendStateDescription();
//ZeroMemory(&bsd, sizeof(bsd));
bsd.RenderTarget[0].IsBlendEnabled = blendEnable;
bsd.RenderTarget[0].BlendOperation = op;
bsd.RenderTarget[0].SourceBlend = src;
bsd.RenderTarget[0].DestinationBlend = dst;
bsd.RenderTarget[0].AlphaBlendOperation = opAlpha;
bsd.RenderTarget[0].SourceAlphaBlend = srcAlpha;
bsd.RenderTarget[0].DestinationAlphaBlend = dstAlpha;
bsd.RenderTarget[0].RenderTargetWriteMask = writeMask;
BlendState bs = new BlendState(device, bsd);
return(bs);
}
