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题名:
single pass depth peeling via cuda rasterizer
作者: Liuz Fang ; Huang Meng-Cheng ; Liu Xue-Hui ; Wuz En-Hua
会议文集: SIGGRAPH 2009: Talks, SIGGRAPH 09
会议名称: SIGGRAPH 2009: Talks, SIGGRAPH 09
会议日期: August 3,
出版日期: 2009
会议地点: New Orleans, LA, United states
关键词: Computer graphics equipment ; Pipelines ; Pixels
出版地: United States
ISBN: 9781605588346
部门归属: (1) Institute of Software, Chinese Academy of Sciences; (2) University of Macaux
英文摘要: Multi-fragment effects play important roles on many graphics applications, which require operations on more than one fragment per pixel. The classical depth peeling algorithm [Everitt 2001] peels off one layer each pass, but the performance degrades for large scenes. We prefer to capture multiple fragments in a single pass, which is difficult because the fragments generated in graphics pipeline are not allowed to be scattered to arbitrary positions of the buffers. Compute unified device architecture (CUDA) [NVIDIA 2008] provides more flexible control over the GPU memory, but accessing of the fragments generated by graphics pipeline is not yet supported. In this work we design a CUDA rasterizer so that many graphics applications can benefit from the free control of GPU memory, especially for the multi-fragment effects. We present two efficient schemes to capture and sort multiple fragments per pixel in a single geometry pass via the atomic operations of CUDA without read-modify-write (RMW) hazards. Experimental results show significant speedup to classical depth peeling, especially for large scenes.
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8484
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:
Liuz Fang,Huang Meng-Cheng,Liu Xue-Hui,et al. single pass depth peeling via cuda rasterizer[C]. 见:SIGGRAPH 2009: Talks, SIGGRAPH 09. New Orleans, LA, United states. August 3,.
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