Vulkan Cookbook

Using input attachments for a color correction post-process effect

There are many various post-process techniques used in 3D applications. Color correction is one of them. This is relatively simple, but it can give impressive results and greatly improve the look and feel of a rendered scene. Color correction can change the mood of the scene and induce the desired feelings for the users.

Usually, a color correction effect requires us to read data of a single, currently processed sample. Thanks to this property, we can implement this effect using input attachments. This allows us to perform post-processing inside the same render pass in which the whole scene is rendered, thus improving the performance of our application.

The following is an ...