基于OpenGL ES的3D图形绘制管线优化问题

3D Graphic Pipeline Optimization Based on OpenGL ES

目前,在嵌入式设备上(如手机)的3D游戏开发总是基于一定的图形API来进行的。OpenGL ES是为嵌入式系统而开发的3D图形绘制编程接口。在基于嵌入式的3D游戏开发过程中,由于硬件资源的相对不足,要得到绘制效果较理想的图形,就需要优化3D图形绘制过程。采用最新的图形管线理论,将OpenGL ES的3D图形管线绘制过程划分为七个管线绘制部分(这七个部分归属于三个绘制阶段),分析每个绘制部分的主要工作,在此基础上针对各个阶段提出了相应的优化方法。

Nowadays 3D game development in embedded devices （such as moble phones） is always based on a kind of graphical API. OpenGL ES is flexible API of 3D rendering, designed for embedded devices. As limitations of the medium, optimizing 3D rendering for embedded system has become more important. The paper divides rendering pipeline process into seven parties, which are included in three rendering phases, and analyzes responsibilities in each rendering pipeline party, then, summarize optimal method for 3D rendering based on OpenGL ES.