How to Rotate a Vertex by a Quaternion in GLSL
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As the CPUs and GPUs in mobile devices have become more powerful and devices with one or more high-resolution screen have become ubiquitous, the demand for complex interactions with the graphics driver has increased. In this blog post, I’ll discuss what multi-thread and multi-window rendering means to developers, and I’ll describe if and when these techniques should be used in your apps....Multi-thread, multi-window rendering makes it very easy to shoot yourself in the foot by creating complex, hard to debug rendering engines. However, it also provides a lot of power and flexibility when used correctly. If you stick to the guidelines outlined in this post, you can improve the performance of your resource loading without introducing unnecessary headaches.