Discovering the Post Process Volume
In this section, we will learn what a Post Process Volume is and how to use it. A Post Process Volume (from here on, PPV) is a volume that can be used to add post-processing effects to our scene. When we talk about post-processing effects, we are talking about everything regardless of color correction and image effects. With a PPV placed inside the Level, we can simply modify the result in terms of what we are seeing inside the Level Viewport.
The PPV also includes a lot of different parameters to improve different rendering features such as Reflection samples or global illumination bounces. We will talk about them in Chapter 13. In this chapter, we are going to cover the parameters that allow us to artistically improve our frame.
Considering that we are talking about color correction, we need to talk about color space in Unreal Engine 5 and color space management in general before starting to explore what we can do with a PPV. This is going...