public override void UpdateParameters(ColorTransformContext context)
{
// TODO This could be put as part
double b = BlackPoint;
double c = CrossOver;
double w = WhitePoint;
double t = Toe;
double s = Shoulder;
double k = ((1 - t) * (c - b)) / ((1 - s) * (w - c) + (1 - t) * (c - b));
var toe = new Vector4(
(float)((k * (1 - t))),
(float)(-t),
(float)(k * (1 - t) * (-b)),
(float)(c - (1 - t) * b));
var shoulder = new Vector4(
(float)(((1 - k) + k * s)),
(float)(s),
(float)((1 - k) * (-c) + k * ((1 - s) * w - c)),
(float)((1 - s) * w - c));
// Don't call base, as we are rewriting all parameters for the shader
Parameters.Set(ToneMapMikeDayOperatorShaderKeys.ToeCoeffs, toe);
Parameters.Set(ToneMapMikeDayOperatorShaderKeys.ShoulderCoeffs, shoulder);
Parameters.Set(ToneMapMikeDayOperatorShaderKeys.MiddleCrossOver, CrossOver);
// Copy parameters to parent
base.UpdateParameters(context);
}
/// <summary>
/// Prepare copy operations for parameters.
/// </summary>
public virtual void PrepareParameters(ColorTransformContext context, ParameterCollection parentCollection, string keyRoot)
{
// Save Group aside
Group = context.Group;
// Compute associated layout ranges
parameterCompositionCopier = new ParameterCollection.CompositionCopier();
parameterCompositionCopier.Compile(parentCollection, Parameters, keyRoot);
}
public override void UpdateParameters(ColorTransformContext context)
{
Parameters.Set(VignettingShaderKeys.Amount, Amount);
Parameters.Set(VignettingShaderKeys.RadiusBegin, Radius);
Parameters.Set(VignettingShaderKeys.Color, Color.ToColorSpace(context.RenderContext.GraphicsDevice.ColorSpace));
// Copy parameters to parent
base.UpdateParameters(context);
}
/// <inheritdoc/>
protected override void InitializeCore()
{
base.InitializeCore();
transformGroupEffect = new ImageEffectShader(colorTransformGroupEffectName);
// TODO GRAPHICS REFACTOR
//transformGroupEffect.SharedParameterCollections.Add(Parameters);
transformGroupEffect.Initialize(Context);
Parameters = transformGroupEffect.Parameters;
// we are adding parameter collections after as transform parameters should override previous parameters
// TODO GRAPHICS REFACTOR
//transformGroupEffect.ParameterCollections.Add(transformsParameters);
this.transformContext = new ColorTransformContext(this, Context);
}
public override void UpdateParameters(ColorTransformContext context)
{
Parameters.Set(FilmGrainShaderKeys.Amount, Amount * 4 * 0.02f);
Parameters.Set(FilmGrainShaderKeys.GrainSize, GrainSize);
Parameters.Set(FilmGrainShaderKeys.LuminanceFactor, LuminanceFactor);
if (Animate)
{
time += 0.1f;
if (time > 100f)
{
time = 1f;
}
}
Parameters.Set(FilmGrainShaderKeys.Time, time);
// Copy parameters to parent
base.UpdateParameters(context);
}
/// <summary>
/// Updates the parameters for this transformation.
/// </summary>
/// <param name="context">The context.</param>
/// <remarks>This method is called just before rendering the ColorTransformGroup that is holding this ColorTransformBase</remarks>
public virtual void UpdateParameters(ColorTransformContext context)
{
parameterCompositionCopier.Copy(Parameters);
}
