KumoKairo

using UnityEngine;

public class Gameboy : MonoBehaviour 
{
  private RenderTexture _downscaledRenderTexture;

  private void OnEnable()
  {
    var camera = GetComponent<Camera>();
    int height = 144;

KumoKairo

Shader "Identity"
{
  ...
  SubShader
  {
    ...
    Pass
    {
      ...
      float4 frag (v2f i) : SV_Target

KumoKairo

using UnityEngine;

public class Gameboy : MonoBehaviour 
{
  public Material identityMaterial;

  private RenderTexture _downscaledRenderTexture;

  private void OnEnable()
  {

KumoKairo

Shader "Gameboy"
{
  Properties
  {
    _MainTex ("Texture", 2D) = "white" {}
    _Darkest ("Darkest", color) = (0.0588235, 0.21961, 0.0588235)
    _Dark ("Dark", color) = (0.188235, 0.38431, 0.188235)
    _Ligt ("Light", color) = (0.545098, 0.6745098, 0.0588235)
    _Ligtest ("Lightest", color) = (0.607843, 0.7372549, 0.0588235)
  }

KumoKairo

Shader "Gameboy"
{
  Properties
  {
    ...
  }
  SubShader
  {
    ...

KumoKairo

Shader "Gameboy"
{
  ...

    sampler2D _MainTex;
    float4 _Darkest, _Dark, _Ligt, _Ligtest;

    float4 frag (v2f i) : SV_Target
    {
      float4 originalColor = tex2D(_MainTex, i.uv);

KumoKairo

Shader "Gameboy"
{
  ...

    sampler2D _MainTex;
    float4 _Darkest, _Dark, _Ligt, _Ligtest;

    float4 frag (v2f i) : SV_Target
    {
      float4 originalColor = tex2D(_MainTex, i.uv);

KumoKairo

Shader "Gameboy"
{
  ...

    sampler2D _MainTex;
    float4 _Darkest, _Dark, _Ligt, _Ligtest;

    float4 frag (v2f i) : SV_Target
    {
      float4 originalColor = tex2D(_MainTex, i.uv);

KumoKairo

Shader "Gameboy"
{
  Properties
  {
    _MainTex ("Texture", 2D) = "white" {}
    _Darkest ("Darkest", color) = (0.0588235, 0.21961, 0.0588235)
    _Dark ("Dark", color) = (0.188235, 0.38431, 0.188235)
    _Ligt ("Light", color) = (0.545098, 0.6745098, 0.0588235)
    _Ligtest ("Lightest", color) = (0.607843, 0.7372549, 0.0588235)
  }

KumoKairo

using UnityEngine;

public class Gameboy : MonoBehaviour 
{
  public Material gameboyMaterial;
  public Material identityMaterial;

  private RenderTexture _downscaledRenderTexture;

  private void OnEnable()