基于GPU的动态地形实时绘制技术的研究与实现  

Research and implementation of real time dynamic terrain rendering technology based on GPU

作　　者：张荣华[1] 

机构地区：[1]华北电力大学计算机系,河北保定071003

出　　处：《计算机工程与设计》2010年第20期4434-4437,共4页Computer Engineering and Design

摘　　要：为了有效解决高逼真动态地形的实时绘制问题,提出了一种基于现代可编程GPU顶点纹理获取(vertex texture fetch,VTF)特性的动态地形实时绘制技术。在研究相关动态地形绘制算法及现代GPU着色器模型的基础上,对基于可编程GPU实现动态地形的技术支持和性能优势进行了分析。最后,以人在松软的地面行走为实例,设计并实现了一个基于GPU顶点纹理获取的动态地形绘制系统。实验结果表明了该技术方案的可行性和有效性。To solve efficiently the real time rendering of high fidelity dynamic terrain,a technology based on the VFT（vertex texture fetch） of programmable GPU（graphics processing unit） is proposed.Based on the research of the related existing dynamic terrain rendering algorithms and the shader model of contemporary GPU,technical supports and performance advantages of programmable GPU used to implement dynamic terrain are analyzed.Finally,a simulation case of walking on the soft ground is designed and implemented,as an example of real time dynamic terrain rendering system based on GPU vertex texturing fetch.The final experiment illustrates the feasibility and validity of the scheme.

关 键 词：可编程GPU 着色器模型 顶点纹理获取 高级着色语言 动态地形 实时绘制 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]