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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A 36 fps SXGA 3-D Display Processor Embedding a Programmable 3-D Graphics Rendering Engine
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A 36 fps SXGA 3-D Display Processor Embedding a Programmable 3-D Graphics Rendering Engine

机译:嵌入了可编程3D图形渲染引擎的36 fps SXGA 3-D显示处理器

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摘要

In this paper, a 3-D display processor embedding a programmable 3-D graphics rendering engine is proposed. The proposed processor combines a 3-D graphics rendering engine and a 3-D image synthesis engine to support both true realism and interactivity for the future multimedia applications. Using high coherence between 3-D graphics data and 3-D display inputs, both pipelines are merged by sharing buffers such that a 3-D display engine directly uses the output of a 3-D graphics rendering engine. The merged architecture has synergetic coupling effects such as freely providing various rendering effects to 3-D images and easily computing disparities without complex extraction processes. In the 3-D image synthesis engine, we adopt view interpolation algorithm and propose real-time synthesis method, pixel-by-pixel process. The view interpolation algorithm reduces the number of images to be rendered, resulting in the reduction of external memory size to 64.8% compared to conventional synthesis process. The proposed pixel-by-pixel process synthesizes 3-D images at 36 fps through bandwidth reduction of 26.7% and decreases internal memory size to 64.2% compared to typical image-by-image process. The 3-D graphics rendering engine is programmable and supports the instruction sets of the latest 3-D graphics standard APIs, Pixel Shader 3.0 and ${hbox{OpenGL}}vert{hbox{ES}}$ 2.0. The die contains about 1.7M transistors, occupies 5 mm$,times,$ 5 mm in 0.18 $mu{hbox{m}}$ CMOS and dissipates 379 mW at 1.85 V.
机译:在本文中,提出了一种嵌入了可编程3D图形渲染引擎的3D显示处理器。拟议中的处理器结合了3-D图形渲染引擎和3-D图像合成引擎,可以为未来的多媒体应用同时支持真实感和交互性。利用3-D图形数据和3-D显示输入之间的高度连贯性,两个管道通过共享缓冲区合并,从而3-D显示引擎直接使用3-D图形渲染引擎的输出。合并后的体系结构具有协同耦合效果,例如可以为3D图像自由提供各种渲染效果,并且无需复杂的提取过程即可轻松计算视差。在3D图像合成引擎中,我们采用视图插值算法,并提出了逐像素处理的实时合成方法。视图插值算法减少了要渲染的图像数量,与传统的合成过程相比,导致外部存储器大小减少到64.8%。与典型的逐个图像处理相比,拟议的逐个像素处理通过带宽减少26.7%合成了36 fps的3-D图像,并将内部存储器大小减少至64.2%。 3D图形渲染引擎是可编程的,并且支持最新3D图形标准API,Pixel Shader 3.0和$ {hbox {OpenGL}} vert {hbox {ES}} $ 2.0的指令集。该管芯包含约170万个晶体管,在0.18μMCMOS中占据5毫米乘以5毫米,并在1.85 V时耗散3​​79 mW。

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