public InterlaceSample(Microsoft.Xna.Framework.Game game)
: base(game)
{
var effect = ContentManager.Load<Effect>("PostProcessing/Interlace");
var postProcessor = new EffectPostProcessor(GraphicsService, effect);
GraphicsScreen.PostProcessors.Add(postProcessor);
_strengthParameterBinding = (ConstParameterBinding<float>)postProcessor.EffectBinding.ParameterBindings["Strength"];
_strengthParameterBinding.Value = 1;
}
public LensDistortionSample(Microsoft.Xna.Framework.Game game)
: base(game)
{
var effect = ContentManager.Load<Effect>("PostProcessing/LensDistortion");
var postProcessor = new EffectPostProcessor(GraphicsService, effect);
GraphicsScreen.PostProcessors.Add(postProcessor);
var powerParameterBinding = (ConstParameterBinding<float>)postProcessor.EffectBinding.ParameterBindings["Power"];
powerParameterBinding.Value = 1f;
_distortionParameterBinding = (ConstParameterBinding<Vector3>)postProcessor.EffectBinding.ParameterBindings["Distortion"];
_distortionParameterBinding.Value = new Vector3(
_distortion,
_distortion + _chromaticDistortion,
_distortion + 2 * _chromaticDistortion);
}
public VignetteSample(Microsoft.Xna.Framework.Game game)
: base(game)
{
var effect = ContentManager.Load<Effect>("PostProcessing/Vignette");
var postProcessor = new EffectPostProcessor(GraphicsService, effect);
GraphicsScreen.PostProcessors.Add(postProcessor);
// "Scale" defines the vignette size and shape.
_scaleParameterBinding = (ConstParameterBinding<Vector2>)postProcessor.EffectBinding.ParameterBindings["Scale"];
// Elliptic vignette.
_scaleParameterBinding.Value = new Vector2(2.0f, 2.0f);
// Circular vignette.
//_scaleParameterBinding.Value = new Vector2(2.0f, 2.0f * 1280 / 720);
// "Power" defines the vignette curve.
// 1 .... linear brightness falloff
// >1 ... non-linear brightness falloff
_powerParameterBinding = (ConstParameterBinding<float>)postProcessor.EffectBinding.ParameterBindings["Power"];
_powerParameterBinding.Value = 2;
}
public CustomProcessorSample2(Microsoft.Xna.Framework.Game game)
: base(game)
{
// Load effect.
var effect = ContentManager.Load<Effect>("PostProcessing/NegativeFilter");
// Create an EffectPostProcessor that uses the effect and controls the effect parameters
// using automatically generated effect parameter bindings.
_negativeFilter = new EffectPostProcessor(GraphicsService, effect);
GraphicsScreen.PostProcessors.Add(_negativeFilter);
// An EffectBinding wraps an Effect and automatically creates effect parameter bindings
// based on the names, semantics and/or annotations specified in the fx file.
// The effect parameters "ViewportSize" and "SourceTexture" have names which are known
// by the graphics service (see IDs in class DefaultEffectParameterUsages), those effect
// parameters will automatically be set by the graphics engine.
// The effect parameter "Strength" is not a known name and does not have a semantic,
// therefore InitializeBindings() has created a ConstParameterBinding for this parameter
// with the default value that was specified in the fx file. We can get this parameter
// binding and change the value in Update().
_strengthParameterBinding = (ConstParameterBinding<float>)_negativeFilter.EffectBinding.ParameterBindings["Strength"];
_strengthParameterBinding.Value = 1;
}
