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multi-layer depth peeling via fragment sort
Liu Baoquan; Wei Li-Yi; Xu Ying-Qing; Wu Enhua
2009
会议名称11th International Conference on Computer-Aided Design and Computer Graphics
会议录名称Proceedings - 2009 11th IEEE International Conference on Computer-Aided Design and Computer Graphics, CAD/Graphics 2009
会议日期AUG 19-21,
会议地点Yellow Mountain City, PEOPLES R CHINA
出版地345 E 47TH ST, NEW YORK, NY 10017 USA
出版者2009 11TH IEEE INTERNATIONAL CONFERENCE ON COMPUTER-AIDED DESIGN AND COMPUTER GRAPHICS, PROCEEDINGS
ISBN978-1-4244-3700-9
部门归属Liu, Baoquan; Wu, Enhua Chinese Acad Sci, Inst Software, Beijing 100864, Peoples R China.
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.
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
主办者IEEE, Natl Nat Sci Fdn China, Zhejiang Prov
内容类型会议论文
URI标识http://ir.iscas.ac.cn/handle/311060/8240
专题基础软件与系统重点实验室
推荐引用方式
GB/T 7714
Liu Baoquan,Wei Li-Yi,Xu Ying-Qing,et al. multi-layer depth peeling via fragment sort[C]. 345 E 47TH ST, NEW YORK, NY 10017 USA:2009 11TH IEEE INTERNATIONAL CONFERENCE ON COMPUTER-AIDED DESIGN AND COMPUTER GRAPHICS, PROCEEDINGS,2009.
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