using System;
using Cpp2IlInjected;
using UnityEngine;

namespace UnityStandardAssets.ImageEffects
{
	// Token: 0x020005C2 RID: 1474
	[Token(Token = "0x20005C2")]
	[ExecuteInEditMode]
	[AddComponentMenu("Image Effects/Color Adjustments/Grayscale")]
	public class Grayscale : ImageEffectBase
	{
		// Token: 0x06002F43 RID: 12099 RVA: 0x000649A8 File Offset: 0x00062BA8
		[Token(Token = "0x6002F43")]
		[Address(RVA = "0x11D6970", Offset = "0x11D5170", VA = "0x1811D6970")]
		private void OnRenderImage(RenderTexture source, RenderTexture destination)
		{
			Material material = base.material;
			Texture texture = this.textureRamp;
			material.SetTexture("_RampTex", texture);
			Material material2 = base.material;
			float num = this.rampOffset;
			material2.SetFloat("_RampOffset", num);
			Material material3 = base.material;
			Graphics.Blit(source, destination, material3);
		}

		// Token: 0x06002F44 RID: 12100 RVA: 0x00064A00 File Offset: 0x00062C00
		[Token(Token = "0x6002F44")]
		[Address(RVA = "0x41E600", Offset = "0x41CE00", VA = "0x18041E600")]
		public Grayscale()
		{
		}

		// Token: 0x04003934 RID: 14644
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4003934")]
		public Texture textureRamp;

		// Token: 0x04003935 RID: 14645
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x4003935")]
		[Range(-1f, 1f)]
		public float rampOffset;
	}
}