Understanding the Rendering of Lines in OpenGL ES: A Guide to Accurate Line Drawing Techniques

Drawing OpenGL ES Context Above Camera Video in iOS

Understanding the Issue with Displaying Texture Images on Devices: A Guide to Working Around Non-Power of Two Dimensions

Troubleshooting OpenGL ES Sprites Not Rendering on iOS 7.1: A Step-by-Step Guide

Understanding Full-Screen Background Textures on iOS Devices: A Deep Dive into Y-Offset Conundrums