/// <summary>
/// Initializes a new instance of the <see cref="ImageReadback{T}"/> class.
/// </summary>
/// <param name="context">The context.</param>
public ImageReadback(ImageEffectContext context) : base(context)
{
stagingUsed = new List <bool>();
stagingTargets = new List <Texture>();
FrameDelayCount = 16;
clock = new Stopwatch();
}
/// <summary>
/// Initializes a new instance of the <see cref="LuminanceEffect" /> class.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="luminanceFormat">The luminance format.</param>
/// <param name="luminanceLogEffect">The luminance log effect.</param>
/// <exception cref="System.ArgumentNullException">lunkinanceLogShader</exception>
public LuminanceEffect(ImageEffectContext context, PixelFormat luminanceFormat = PixelFormat.R16_Float, ImageEffectShader luminanceLogEffect = null) : base(context)
{
// Check luminance format
if (luminanceFormat.IsCompressed() || luminanceFormat.IsPacked() || luminanceFormat.IsTypeless() || luminanceFormat == PixelFormat.None)
{
throw new ArgumentOutOfRangeException("luminanceFormat", "Unsupported format [{0}] (must be not none, compressed, packed or typeless)".ToFormat(luminanceFormat));
}
this.luminanceFormat = luminanceFormat;
// Use or create a default luminance log effect
this.luminanceLogEffect = luminanceLogEffect ?? new LuminanceLogEffect(context).DisposeBy(this);
// Create 1x1 texture
luminance1x1 = Texture.New2D(GraphicsDevice, 1, 1, 1, luminanceFormat, TextureFlags.ShaderResource | TextureFlags.RenderTarget).DisposeBy(this);
// Use a multiscaler
multiScaler = new ImageMultiScaler(context).DisposeBy(this);
// Readback is always going to be done on the 1x1 texture
readback = new ImageReadback <Half>(context).DisposeBy(this);
readback.SetInput(luminance1x1);
// Blur used before upscaling
blur = new GaussianBlur(context).DisposeBy(this);
blur.Radius = 4;
DownscaleCount = 6;
UpscaleCount = 4;
EnableAverageLuminanceReadback = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="ImageEffectBundle"/> class.
/// </summary>
/// <param name="context">The context.</param>
public ImageEffectBundle(ImageEffectContext context)
: base(context)
{
luminanceEffect = new LuminanceEffect(Context);
brightFilter = new BrightFilter(Context);
bloom = new Bloom(Context);
colorTransformGroup = new ColorTransformGroup(Context);
toneMap = new ToneMap();
colorTransformGroup.Transforms.Add(toneMap);
}
/// <summary>
/// Initializes a new instance of the <see cref="Bloom"/> class.
/// </summary>
/// <param name="context">The context.</param>
public Bloom(ImageEffectContext context)
: base(context)
{
blurCombine = new ColorCombiner(Context);
multiScaler = new ImageMultiScaler(Context);
blur = new GaussianBlur(context);
Radius = 3;
Amount = 1.0f;
DownScale = 3;
}
/// <summary>
/// Initializes a new instance of the <see cref="GaussianBlur"/> class.
/// </summary>
/// <param name="context">The context.</param>
public GaussianBlur(ImageEffectContext context)
: base(context)
{
// Use shared SharedParameters for blurH and blurV
blurH = new ImageEffectShader(context, "GaussianBlurEffect", Parameters).DisposeBy(this);
// Setup specific Horizontal parameter for blurH
blurH.Parameters.Set(GaussianBlurKeys.VerticalBlur, false);
blurV = new ImageEffectShader(context, "GaussianBlurEffect", Parameters).DisposeBy(this);
// Setup specific Vertical parameter for blurV
blurV.Parameters.Set(GaussianBlurKeys.VerticalBlur, true);
Radius = 4;
SigmaRatio = 2.0f;
}
/// <summary>
/// Initializes a new instance of the <see cref="ImageEffectBase" /> class.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="name">The name.</param>
/// <exception cref="System.ArgumentNullException">context</exception>
protected ImageEffectBase(ImageEffectContext context, string name = null) : base(name)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
Context = context;
GraphicsDevice = Context.GraphicsDevice;
Assets = context.Services.GetSafeServiceAs <AssetManager>();
Name = name ?? GetType().Name;
Enabled = true;
inputTextures = new Texture[128];
maxInputTextureIndex = -1;
}
/// <summary>
/// Initializes a new instance of the <see cref="ImageEffectShader"/> class.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="effectName">Name of the shader.</param>
public ImageEffectShader(ImageEffectContext context, string effectName)
: base(context, effectName)
{
if (effectName == null)
{
throw new ArgumentNullException("effectName");
}
// Setup this instance parameters
parameters = new ParameterCollection();
// As this is used by PostEffectBase, we just setup it here by default
parameters.Set(TexturingKeys.Sampler, GraphicsDevice.SamplerStates.LinearClamp);
// Setup the effect compiler
effectInstance = new InternalEffectInstance(parameters);
effectCompiler = new DynamicEffectCompiler(context.Services, effectName);
}
/// <summary>
/// Initializes a new instance of the <see cref="ImageEffect" /> class.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="name">The name.</param>
/// <exception cref="System.ArgumentNullException">context</exception>
protected ImageEffect(ImageEffectContext context, string name = null) : base(name)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
Context = context;
GraphicsDevice = Context.GraphicsDevice;
Assets = context.Services.GetSafeServiceAs <AssetManager>();
Enabled = true;
inputTextures = new Texture[128];
scopedRenderTargets = new List <Texture>();
maxInputTextureIndex = -1;
EnableSetRenderTargets = true;
Parameters = new ParameterCollection();
}
/// <summary>
/// Initializes a new instance of the <see cref="ColorTransformGroup"/> class.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="colorTransformGroupEffect">The color transform group effect.</param>
public ColorTransformGroup(ImageEffectContext context, string colorTransformGroupEffect = "ColorTransformGroupEffect")
: base(context, colorTransformGroupEffect)
{
compositeKeys = new Dictionary <ParameterCompositeKey, ParameterKey>();
transforms = new ColorTransformCollection();
enabledTransforms = new List <ColorTransform>();
collectTransforms = new List <ColorTransform>();
transformsParameters = new ParameterCollection();
gammaTransform = new GammaTransform();
transformGroupEffect = new ImageEffectShader(context, colorTransformGroupEffect, Parameters);
// we are adding parameter collections after as transform parameters should override previous parameters
transformGroupEffect.ParameterCollections.Add(transformsParameters);
this.context = new ColorTransformContext(this);
}
/// <summary>
/// Initializes a new instance of the <see cref="ImageEffectShader" /> class.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="effectName">Name of the shader.</param>
/// <param name="sharedParameterCollections">The shared parameters.</param>
/// <exception cref="System.ArgumentNullException">effectName</exception>
public ImageEffectShader(ImageEffectContext context, string effectName, params ParameterCollection[] sharedParameterCollections)
: base(context)
{
if (effectName == null)
{
throw new ArgumentNullException("effectName");
}
parameterCollections = new List <ParameterCollection> {
context.Parameters
};
if (sharedParameterCollections != null)
{
parameterCollections.AddRange(sharedParameterCollections);
}
parameterCollections.Add(Parameters);
// Setup the effect compiler
effectInstance = new DefaultEffectInstance(parameterCollections);
effectCompiler = new DynamicEffectCompiler(context.Services, effectName);
SetDefaultParameters();
}
/// <summary>
/// Initializes a new instance of the <see cref="ImageScaler"/> class.
/// </summary>
/// <param name="context">The context.</param>
public ImageScaler(ImageEffectContext context) : base(context, "ImageScalerEffect")
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ImageMultiScaler"/> class.
/// </summary>
/// <param name="context">The context.</param>
public ImageMultiScaler(ImageEffectContext context)
: base(context)
{
// We are not using the default output for render targets, so don't setup them
EnableSetRenderTargets = false;
}
/// <summary>
/// Initializes a new instance of the <see cref="ImageEffectShader" /> class.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="effectName">Name of the shader.</param>
/// <exception cref="System.ArgumentNullException">effectName</exception>
public ImageEffectShader(ImageEffectContext context, string effectName)
: this(context, effectName, (ParameterCollection[])null)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ImageEffectBundle"/> class.
/// </summary>
/// <param name="services">The services.</param>
public ImageEffectBundle(IServiceRegistry services)
: this(ImageEffectContext.GetShared(services))
{
}
