12.2 调整屏幕的亮度，饱和度和对比度

C# 

CheckShaderAndCreateMaterial

Range

OnRenderImage

Material.SetFloat

Graphics

Graphics.Blit

Shader

深度测试

ZTest

appdata_img

luminance

12.3 边缘检测

12.3.1 什么是卷积

12.3.2 常见的边缘检测算子

12.3.3 实现

12.4.1 高斯滤波

C#

GetTemporary

filterMode     

FilterMode.Bilinear

ReleaseTemporary

CGINCLUDE

12.5 Bloom效果

TexelSize

UNITY_UV_STARTS_AT_TOP

appdata_img

12.6 运动模糊

C#

Vector3

transform

Vector3.Slerp

Time.deltaTime

Transform.LookAt

Vector3.Distance

OnDisable

DestroyImmediate

MarkRestoreExpected