public GaussianBlurShader(GaussianBlur gaussianBlur, int radius)
{
Radius = radius;
this.gaussianBlur = gaussianBlur;
// Craete ImageEffectShader
blurH = gaussianBlur.ToLoadAndUnload(new ImageEffectShader("GaussianBlurEffect", true));
blurV = gaussianBlur.ToLoadAndUnload(new ImageEffectShader("GaussianBlurEffect", true));
blurH.Initialize(gaussianBlur.Context);
blurV.Initialize(gaussianBlur.Context);
// Setup Horizontal parameters
blurH.Parameters.Set(GaussianBlurKeys.VerticalBlur, false);
blurV.Parameters.Set(GaussianBlurKeys.VerticalBlur, true);
var size = radius * 2 + 1;
nameGaussianBlurH = string.Format("GaussianBlurH{0}x{0}", size);
nameGaussianBlurV = string.Format("GaussianBlurV{0}x{0}", size);
// TODO: cache if necessary
offsetsWeights = GaussianUtil.Calculate1D(this.Radius, gaussianBlur.SigmaRatio);
// Update permutation parameters
blurH.Parameters.Set(GaussianBlurKeys.Count, offsetsWeights.Length);
blurV.Parameters.Set(GaussianBlurKeys.Count, offsetsWeights.Length);
blurH.EffectInstance.UpdateEffect(gaussianBlur.Context.GraphicsDevice);
blurV.EffectInstance.UpdateEffect(gaussianBlur.Context.GraphicsDevice);
// Update parameters
blurH.Parameters.Set(GaussianBlurShaderKeys.OffsetsWeights, offsetsWeights);
blurV.Parameters.Set(GaussianBlurShaderKeys.OffsetsWeights, offsetsWeights);
}
/// <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);
}
protected override void InitializeCore()
{
base.InitializeCore();
aoApplyImageEffect = ToLoadAndUnload(new ImageEffectShader("ApplyAmbientOcclusionShader"));
aoRawImageEffect = ToLoadAndUnload(new ImageEffectShader("AmbientOcclusionRawAOEffect"));
aoRawImageEffect.Initialize(Context);
blurH = ToLoadAndUnload(new ImageEffectShader("AmbientOcclusionBlurEffect"));
blurV = ToLoadAndUnload(new ImageEffectShader("AmbientOcclusionBlurEffect", true));
blurH.Initialize(Context);
blurV.Initialize(Context);
// Setup Horizontal parameters
blurH.Parameters.Set(AmbientOcclusionBlurKeys.VerticalBlur, false);
blurV.Parameters.Set(AmbientOcclusionBlurKeys.VerticalBlur, true);
}
