Ejemplo n.º 1
0
        /// <summary>
        /// Called when the effect technique and parameter bindings should be initialized.
        /// </summary>
        /// <param name="graphicsService">The graphics service.</param>
        /// <param name="opaqueData">The opaque data. Can be <see langword="null"/>.</param>
        /// <remarks>
        /// <para>
        /// <strong>Notes to Inheritors:</strong> Derived classes can override this method to create
        /// custom parameter bindings. If the derived class does not initialize all parameter bindings
        /// then it should call the base implementation of <see cref="OnInitializeBindings"/> to
        /// initialize the remaining bindings.
        /// </para>
        /// <para>
        /// The method is called by the constructor of the base class. This means that derived classes
        /// may not be initialized yet!
        /// </para>
        /// </remarks>
        protected virtual void OnInitializeBindings(IGraphicsService graphicsService, IDictionary <string, object> opaqueData)
        {
            if (TechniqueBinding == null)
            {
                TechniqueBinding = EffectEx.TechniqueBinding.Clone();
            }

            EffectHelper.InitializeParameterBindings(graphicsService, EffectEx, opaqueData, ParameterBindings);
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Initializes the <see cref="EffectEx"/>.
        /// </summary>
        /// <param name="graphicsService">The graphics service.</param>
        /// <exception cref="ArgumentNullException">
        /// <paramref name="graphicsService"/> is <see langword="null"/>.
        /// </exception>
        protected override void Initialize(IGraphicsService graphicsService)
        {
            if (graphicsService == null)
            {
                throw new ArgumentNullException("graphicsService");
            }

            var effect = Resource;

            // When an Effect is used the original values of the effect parameters, as
            // specified in the .fx file, are lost. --> Store values in dictionary.
            OriginalParameterValues = EffectHelper.GetParameterValues(effect);

            TechniqueDescriptions = new EffectTechniqueDescriptionCollection(graphicsService, effect);
            TechniqueBinding      = EffectHelper.CreateTechniqueBinding(graphicsService, effect);

            ParameterDescriptions = new EffectParameterDescriptionCollection(graphicsService, effect);
            ParameterBindings     = new EffectParameterBindingCollection(EffectParameterHint.Any);
            EffectHelper.InitializeParameterBindings(graphicsService, this, null, ParameterBindings);
        }