Alex Dixon

Welcome to my programming blog and portfolio, I have worked in gamedev for over 10 years and I am currently lead programmer at Flavourworks. I enjoy shuffling bytes and swizzling vectors...

A quick solution for OpenGLES lack of wireframe fill mode

24 September 2020

If you have ever worked with OpenGL you might be familiar with glPolygonMode. It allows you to specify GL_LINE, GL_POINT or GL_FILL, where fill is typically what we use to rasterise solid triangles, using lines allows us to achieve a wireframe effect. If you have ever then switched to OpenGLES (mobile or web platforms) you may have encountered GL_LINE being undefined and there is no way to get a wireframe fill mode.

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Data oriented design is not about SoA and ECS

24 September 2020

There has been a lot of discussion coming to my attention recently regarding data oriented design (DOD) or data oriented architecture (DOA). It is something very close to my heart because I love optimisation; I have to do it for all the products I work on as a software engineer and so I am always thinking about the data first. Being data oriented is thinking about the data you have and the transformations you need to make, to get the output you desire on the hardware you are targeting.

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Porting a c++ game engine to the web with emscripten

20 September 2020

I embarked on this journey because I wanted to make my c++ game engine pmtech runnable in a browser for quick and easily accessible live demos. Overall the process took about 5 weeks of work, totalling 20 days, I spent some weekend days and a few hours in the evenings. Nothing too intense and the process was quite enjoyable, relaxing dare I say!

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First post

14 September 2020

This is my first blog post and it comes alongside a new website. I have long been a shadow lurker on various forums, hacker news and reader of other programming blogs, but until now I have never had the urge to write a blog myself.

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