HeavenStudioPlus/Assets/X-PostProcessing/Effects/IrisBlurV2/IrisBlurV2.cs

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//----------------------------------------------------------------------------------------------------------
// X-PostProcessing Library
// https://github.com/QianMo/X-PostProcessing-Library
// Copyright (C) 2020 QianMo. All rights reserved.
// Licensed under the MIT License
// You may not use this file except in compliance with the License.You may obtain a copy of the License at
// http://opensource.org/licenses/MIT
//----------------------------------------------------------------------------------------------------------
using System;
using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.Rendering.PostProcessing;
namespace XPostProcessing
{
[Serializable]
[PostProcess(typeof(IrisBlurV2Renderer), PostProcessEvent.AfterStack, "X-PostProcessing/Blur/IrisBlur/IrisBlurV2")]
public class IrisBlurV2 : PostProcessEffectSettings
{
[Range(0f, 3f)]
public FloatParameter BlurRadius = new FloatParameter { value = 1f };
[Range(8, 128)]
public IntParameter Iteration = new IntParameter { value = 60 };
[Range(-1f, 1f)]
public FloatParameter centerOffsetX = new FloatParameter { value = 0f };
[Range(-1f, 1f)]
public FloatParameter centerOffsetY = new FloatParameter { value = 0f };
[Range(0f, 50f)]
public FloatParameter AreaSize = new FloatParameter { value = 8f };
public BoolParameter showPreview = new BoolParameter { value = false };
}
public sealed class IrisBlurV2Renderer : PostProcessEffectRenderer<IrisBlurV2>
{
private const string PROFILER_TAG = "X-IrisBlurV2";
private Shader shader;
private Vector4 mGoldenRot = new Vector4();
public override void Init()
{
shader = Shader.Find("Hidden/X-PostProcessing/IrisBlurV2");
// Precompute rotations
float c = Mathf.Cos(2.39996323f);
float s = Mathf.Sin(2.39996323f);
mGoldenRot.Set(c, s, -s, c);
}
public override void Release()
{
base.Release();
}
static class ShaderIDs
{
internal static readonly int GoldenRot = Shader.PropertyToID("_GoldenRot");
internal static readonly int Gradient = Shader.PropertyToID("_Gradient");
internal static readonly int Params = Shader.PropertyToID("_Params");
}
public override void Render(PostProcessRenderContext context)
{
CommandBuffer cmd = context.command;
PropertySheet sheet = context.propertySheets.Get(shader);
cmd.BeginSample(PROFILER_TAG);
sheet.properties.SetVector(ShaderIDs.GoldenRot, mGoldenRot);
sheet.properties.SetVector(ShaderIDs.Gradient, new Vector3(settings.centerOffsetX, settings.centerOffsetY, settings.AreaSize * 0.1f));
sheet.properties.SetVector(ShaderIDs.Params, new Vector4(settings.Iteration, settings.BlurRadius, 1f / context.width, 1f / context.height));
cmd.BlitFullscreenTriangle(context.source, context.destination, sheet, settings.showPreview ? 1 : 0);
cmd.EndSample(PROFILER_TAG);
}
}
}