/// <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 BindDepthStencilState()
{
if (!base.IsBound)
{
D3D.DepthStencilStateDescription desc = new D3D.DepthStencilStateDescription();
desc.DepthWriteMask = (base.DepthWriteEnable) ? D3D.DepthWriteMask.All : D3D.DepthWriteMask.Zero;
desc.DepthComparison = D3D10Helper.ToD3DComparison(base.DepthFunction);
desc.IsDepthEnabled = base.DepthEnable;
desc.IsStencilEnabled = base.StencilEnable;
desc.StencilWriteMask = (byte)base.StencilWriteMask;
desc.StencilReadMask = (byte)base.StencilReadMask;
//Set front facing stencil op
D3D.DepthStencilOperationDescription opDesc = new D3D.DepthStencilOperationDescription();
opDesc.Comparison = D3D10Helper.ToD3DComparison(base.StencilFunction);
opDesc.DepthFailOperation = D3D10Helper.ToD3DStencilOperation(base.StencilDepthFail);
opDesc.FailOperation = D3D10Helper.ToD3DStencilOperation(base.StencilFail);
opDesc.PassOperation = D3D10Helper.ToD3DStencilOperation(base.StencilPass);
desc.FrontFace = opDesc;
D3D.DepthStencilOperationDescription ccwopDesc = new D3D.DepthStencilOperationDescription();
//Set back facing stencil op if enabled, otherwise enforced defaults
if (base.TwoSidedStencilEnable)
{
ccwopDesc.Comparison = D3D10Helper.ToD3DComparison(base.CounterClockwiseStencilFunction);
ccwopDesc.DepthFailOperation = D3D10Helper.ToD3DStencilOperation(base.CounterClockwiseStencilDepthFail);
ccwopDesc.FailOperation = D3D10Helper.ToD3DStencilOperation(base.CounterClockwiseStencilFail);
ccwopDesc.PassOperation = D3D10Helper.ToD3DStencilOperation(base.CounterClockwiseStencilPass);
}
else
{
ccwopDesc.Comparison = D3D.Comparison.Always;
ccwopDesc.DepthFailOperation = D3D.StencilOperation.Keep;
ccwopDesc.FailOperation = D3D.StencilOperation.Keep;
ccwopDesc.PassOperation = D3D.StencilOperation.Keep;
}
desc.BackFace = ccwopDesc;
_ds = D3D.DepthStencilState.FromDescription(_graphicsDevice, desc);
base.IsBound = true;
_renderer.Resources.AddTrackedObject(_ds.ComPointer, this);
}
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
if (!IsDisposed)
{
//Dispose of managed resources
if (disposing)
{
if (_ds != null)
{
if (_renderer != null)
{
_renderer.Resources.RemoveTrackedObject(_ds.ComPointer);
}
_ds.Dispose();
_ds = null;
}
}
base.Dispose(disposing);
}
}
