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Chapter 5 in OpenGL 4.0 Shading Language Cookbook delves into the world of post-processing. For the uninitiated, post-processing in the game development world refers to processing that gets done to a frame after it has been fully rendered. Post processing enables you to add many impressive looking effects to a rendering engine in a relatively resource efficient way. I will say that I don't think any of my examples here are beautiful examples of what post-processing can do, but they definitely get the point across. Over the course of this chapter I had to implement a robust system to handle…

If you haven't been following my last couple of blog posts, I have been chronicling my progression through GLSL 4.0 Shading Language Cookbook. I started with chapter two where the fundamentals of GLSL were laid down. Last week I posted about chapter three which built on those fundamentals where more time was spent on lighting. This chapter focused heavily on textures. All of this work is being done in my open-source game engine, the Derydoca Engine. The engine is available on GitHub so all of the source c++ and glsl code is available for you to explore and see how…