/// <summary>
/// Binds the implementation. This is called the first time an unbound state is set to the device or manually by the user in order to
/// create the underlying state ahead of time (best practice). Once called the state properties are read-only.
/// </summary>
public override void BindBlendState()
{
if (!base.IsBound)
{
D3D.BlendStateDescription desc = new D3D.BlendStateDescription();
desc.AlphaBlendOperation = D3D10Helper.ToD3DBlendOperation(base.AlphaBlendFunction);
desc.SourceAlphaBlend = D3D10Helper.ToD3DBlendOption(base.AlphaSourceBlend);
desc.DestinationAlphaBlend = D3D10Helper.ToD3DBlendOption(base.AlphaDestinationBlend);
desc.BlendOperation = D3D10Helper.ToD3DBlendOperation(base.ColorBlendFunction);
desc.SourceBlend = D3D10Helper.ToD3DBlendOption(base.ColorSourceBlend);
desc.DestinationBlend = D3D10Helper.ToD3DBlendOption(base.ColorDestinationBlend);
for (int i = 0; i < 8; i++)
{
desc.SetBlendEnable((uint)i, this.GetBlendEnable(i));
desc.SetWriteMask((uint)i, (D3D.ColorWriteMaskFlags) this.GetWriteChannels(i));
}
_bs = D3D.BlendState.FromDescription(_graphicsDevice, desc);
base.IsBound = true;
//Add the SlimDX object to the tracker
_renderer.Resources.AddTrackedObject(_bs.ComPointer, this);
}
}
public void SetBlendState(bool enableAlphaBlending)
{
AlphaBlendState = new D3D.BlendStateDescription()
{
BlendOperation = D3D.BlendOperation.Add,
SourceBlend = D3D.BlendOption.SourceAlpha,
DestinationBlend = D3D.BlendOption.InverseSourceAlpha,
IsAlphaToCoverageEnabled = false,
AlphaBlendOperation = D3D.BlendOperation.Add,
SourceAlphaBlend = D3D.BlendOption.Zero,
DestinationAlphaBlend = D3D.BlendOption.Zero,
};
AlphaBlendState.SetBlendEnable(0, enableAlphaBlending);
AlphaBlendState.SetWriteMask(0, D3D.ColorWriteMaskFlags.All);
Device.OutputMerger.BlendState = D3D.BlendState.FromDescription(Device, AlphaBlendState);
}