HomeBlogJuegos móviles: Optimización del rendimiento de gráficos y GPU en Unity.

Mobile Games: Optimizing Graphics and GPU Performance in Unity.

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Mobile gaming has become increasingly popular in recent years, with millions playing games on their smartphones and tablets daily. As a game developer, optimizing your game's graphics and GPU performance is essential to provide players with a smooth and immersive gaming experience. This guide will explore some of the best practices for optimizing graphics and GPU performance in mobile games.

  1. Reduce the number of draw calls.

Reducing the number of draw calls is crucial in optimizing graphics and GPU performance in mobile games, as it can lead to decreased performance and frame rate drops. One way to reduce draw calls is by batching objects together to be rendered in a single draw call. Unity can combine multiple objects into fewer batches using several techniques, including dynamic batching. Unity can group and transform vertices on the CPU for small meshes, then draw them all in one go. However, it's important to note that dynamic batching should only be used if you have enough low poly meshes (less than 900 vertex attributes and no more than 300 vertices). This is because the dynamic batcher won't batch larger meshes than this, so enabling it will waste CPU time every frame looking for small meshes to batch. Using texture atlases and minimizing overlapping geometry can also help reduce draw calls and improve overall performance.

At 3DLowPoly.com, we have a complete collection of low poly models of characters and props that you can use.

  1. Use texture atlases.  

Texture atlases are a collection of textures combined into a single image. Using texture atlases reduces the number of texture switches, which can be expensive in terms of performance. 


  1. Optimize shaders.

Shaders are programs that run on the GPU to render graphics. Optimizing shaders involves reducing their complexity and avoiding expensive operations such as branching and texture lookups. You can also use shader variants to reduce the number of shader compilations. 

  1. Use level-of-detail (LOD) 

LOD is a technique that switches objects to use simpler meshes with simpler materials and shaders as they move into the distance, which can aid GPU performance. This means that objects far from the camera will have fewer polygons, reducing the amount of data that needs to be processed by the GPU. This technique leads to improved performance and smoother gameplay on mobile devices.


  1. Use Unity's profiling tools.

Unity provides various profiling tools that can help identify performance bottlenecks in your game, such as the Frame Debugger, GPU Profiler, and CPU Profiler. These tools allow you to analyze your game's performance and optimize accordingly. 

  1. Optimize for mobile hardware.

It is essential to understand how your mobile hardware operates and its limitations. By optimizing your game for mobile hardware, you can ensure that it runs smoothly on a wide range of devices.

  1. Test on real devices.

Testing your game on real and various devices with different specifications ensures it runs smoothly and performs well. In addition to these best practices, balancing performance gains against the time and labor costs when implementing these optimizations is important. 

If you want more information on any of the practices explored in this article, go to this link: https://resources.unity.com/games/unity-e-book-optimize-your-mobile-game-performance.


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