/// <summary>
/// Creates a LensFlare instance with custom settings. The graphics device
/// will be reused, but will not be disposed of at instance destruction.
/// </summary>
/// <param name="device">The graphics device to use.</param>
/// <param name="context">The device context to use.</param>
/// <param name="quality">The required render quality.</param>
/// <param name="profile">The desired optical profile.</param>
/// <param name="options">The desired diffraction options.</param>
public EyeDiffraction(Device device, DeviceContext context, RenderQuality quality, OpticalProfile profile, DiffractionOptions options)
{
Pass = new SurfacePass(device);
composer = new ApertureComposer(device);
Device = device; /* Store the device. */
Context = context; /* Save the context. */
Quality = quality; /* Validate quality. */
Profile = profile; /* Use lens profile. */
Options = options; /* Save the options. */
}
/// <summary> /// Applies the layer to an aperture texture. The output /// is to be understood as the transmittance through any /// pixel, and will be blended multiplicatively together /// with other layers (as such, order does not matter). /// </summary> /// <param name="context">The device context.</param> /// <param name="output">The output aperture.</param> /// <param name="profile">An optical profile.</param> /// <param name="pass">A SurfacePass instance.</param> /// <param name="time">The elapsed time.</param> /// <param name="dt">The time since last call.</param> public abstract void ApplyLayer(DeviceContext context, GraphicsResource output, OpticalProfile profile, SurfacePass pass, double time, double dt);
/// <summary>
/// Composes an aperture.
/// </summary>
/// <param name="context">The device context.</param>
/// <param name="output">The output render target.</param>
/// <param name="profile">The optical profile to use.</param>
/// <param name="pass">A SurfacePass instance to use.</param>
/// <param name="time">The elapsed time.</param>
/// <param name="dt">The time since last call.</param>
public void Compose(DeviceContext context, GraphicsResource output, OpticalProfile profile, SurfacePass pass, double time, double dt)
{
context.ClearRenderTargetView(output.RTV, Color4.White);
context.OutputMerger.SetBlendState(blendState);
foreach (ApertureLayer layer in layers)
layer.ApplyLayer(context, output, profile, pass, time, dt);
context.OutputMerger.SetBlendState(null);
}
