【SIGGRAPH Asia 2012专题*技术论文】图形绘制：深度预排序的三角列表

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【SIGGRAPH Asia 2012专题*技术论文】
图形绘制：深度预排序的三角列表Depth-Presorted Triangle Lists
Ge Chen, Pedro V. Sander, Diego Nehab, Lei Yang, Liang Hu 摘要：实时渲染的静态3D模型前背或背到前面相对其边界量以外的任何观点，我们提出了一种新的方法。深度排序的方法使使用一个单一的调用Draw函数的三角形。在运行时，我们现有的算法取代了传统的排序策略，以更快的三角形选择策略。在扩展序列的三角形注明的试验飞机，我们的离线预处理阶段的遴选过程。基于这些测试架飞机上，一个简单的运行时程序使用给定的观点来选择的一个子三角形光栅化。选定的子序列是静态预排序的深度和包含每个输入三角形一次。我们的方法，传统的硬件上运行，并呈现深度排序的静态模型显着的速度比以前的方法。我们的结论显示了实时渲染的顺序无关透明度效果。 Abstract：We present a novel approach for real-time rendering of static 3D models front-to-back or back-to-front relative to any viewpoint outside its bounding volume. The approach renders depth-sorted triangles using a single draw-call. At&nbsp***n-time, we replace the traditional sorting strategy of existing algorithms with a faster triangle selection strategy. The selection process operates on an extended sequence of triangles annotated by test planes, created by our off-line preprocessing stage. Based on these test planes, a simple&nbsp***n-time procedure uses the given viewpoint to select a subsequence of triangles for rasterization. Selected subsequences are statically presorted by depth and contain each input triangle exactly once. Our method&nbsp***ns on legacy hardware and renders depth-sorted static models significantly faster than previous approaches. We conclude demonstrating the real-time rendering of order-independent transparency effects.
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