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题名:
multi-layer depth peeling via fragment sort
作者: Liu Baoquan ; Wei Li-Yi ; Xu Ying-Qing ; Wu Enhua
会议文集: Proceedings - 2009 11th IEEE International Conference on Computer-Aided Design and Computer Graphics, CAD/Graphics 2009
会议名称: 11th International Conference on Computer-Aided Design and Computer Graphics
会议日期: AUG 19-21,
出版日期: 2009
会议地点: Yellow Mountain City, PEOPLES R CHINA
关键词: GPU ; MRT ; RGBA8 color precision ; fragment sort program ; graphics hardware ; multilayer accelerated depth peeling algorithm ; multiple fragment color ; multiple fragment depth ; order-independent transparency scene rendering ; transparency ordering ; transparent geometry ; transparent pixel ; unreliable parallel read-after-write behavior ; colour graphics ; computational geometry ; rendering (computer graphics) ; sorting
出版者: 2009 11TH IEEE INTERNATIONAL CONFERENCE ON COMPUTER-AIDED DESIGN AND COMPUTER GRAPHICS, PROCEEDINGS
出版地: 345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN: 978-1-4244-3700-9
部门归属: Liu, Baoquan; Wu, Enhua Chinese Acad Sci, Inst Software, Beijing 100864, Peoples R China.
主办者: IEEE, Natl Nat Sci Fdn China, Zhejiang Prov
英文摘要: We present an accelerated depth peeling algorithm for order-independent transparency rendering on graphics hardware. Unlike traditional depth peeling which only peels one layer of transparent pixels per rendering pass, our algorithm peels multiple layers simultaneously per rendering pass. Our acceleration is achieved via our fragment program which sorts and writes multiple fragment colors and depths via MRT. A notable :feature of our algorithm is that it is robust against the unreliable parallel read-after-write behavior in current graphics hardware, guaranteeing correct transparency ordering. For ordinary scenes rendered under RGBA8 color precision, we achieve up to 8 x speed-up over conventional depth peeling with current generation graphics hardware. Our algorithm is simple to implement on current GPU without any hardware modification. In addition, it does not require applications to perform any pre-sorting of transparent geometry.
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8240
Appears in Collections:计算机科学国家重点实验室 _会议论文

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Recommended Citation:
Liu Baoquan,Wei Li-Yi,Xu Ying-Qing,et al. multi-layer depth peeling via fragment sort[C]. 见:11th International Conference on Computer-Aided Design and Computer Graphics. Yellow Mountain City, PEOPLES R CHINA. AUG 19-21,.
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