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// original : https://stackoverflow.com/a/38974483

public class SeekableAesStream : Stream
{
    private Stream baseStream;
    private AesManaged aes;
    private ICryptoTransform encryptor;
    public bool autoDisposeBaseStream { get; set; } = true;

    /// <param name="salt">//** WARNING **: MUST be unique for each stream otherwise there is NO security</param>

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using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;

public class CaptureRendererFeature : ScriptableRendererFeature
{
    public event System.Action<CaptureRendererFeature> OnCaptured;

    [SerializeField] private RenderPassEvent _renderPassEvent = RenderPassEvent.AfterRenderingOpaques;

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[StructLayout(LayoutKind.Sequential)]
public struct Pixel32
{
    public byte r;
    public byte g;
    public byte b;
    public byte a;
}

// -----------------------

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Shader "NrealRoom/ViewMask"
{
    Properties
    {
        _MainTex("Texture", 2D) = "white" {}
        _Width("Width", Float) = 10.0
    }
    SubShader
    {
        Cull Off ZWrite Off ZTest Always

edom18

maxLuma = max(nw,ne,sw,se)
contrast = max(nw,ne,sw,se,m) - min(nw,ne,sw,se,m)
if(contrast  >= max(minThreshold, maxLuma * threshold))

edom18

$ apt-get build-dep gdb
$ apt-get source gdb
$ cd gdb-7.7.1 # 適宜、DLされたバージョンに置き換えてください
$ ./configure --enable-tui=yes
$ make
# grab a coffee
$ sudo make install

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if (hmid < 0.0)
{
    tx = tmid;
    hx = hmid;
}

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/**
 * Fractal Brownian Motion
 *
 * Reference: https://thebookofshaders.com/13/
 * 
 * See also: http://www.iquilezles.org/www/articles/morenoise/morenoise.htm
 *         : http://www.iquilezles.org/www/articles/warp/warp.htm
 */

const vec3 mixColor1 = vec3(0.8, 0.35, 0.12);

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\begin{eqnarray}
y {=}
\begin{cases}
0 & : (b + w_1 x_1 + w_2 x_2) \leq 0 \\\
1 & : (b + w_1 x_1 + w_2 x_2) > 0
\end{cases}
\end{eqnarray}

edom18

// なんちゃってAOを計算する
//
// +-----------------+--------------------+
// | ro = Ray Origin | rd = Ray Direction |
// +-----------------+--------------------+
vec4 genAmbientOcclusion(vec3 ro, vec3 rd)
{
    vec4 totao = vec4(0.0);
    float sca = 1.0;