Text is a crucial component of 3‐D environments and virtual worlds for user interfaces and wayfinding. Implementing text using standard antialiased texture mapping leads to blurry and illegible writing which hinders usability and navigation. While super‐sampling removes some of these artifacts, distracting artifacts can still impede legibility, especially for recent high‐resolution head‐mounted displays. We propose an analytic antialiasing technique that efficiently computes the coverage of text glyphs, over pixel footprints, designed to run at real‐time rates. It decomposes glyphs into piecewise‐biquadratics and trapezoids that can be quickly area‐integrated over a pixel footprint to provide crisp legible antialiased text, even when mapped onto an arbitrary surface in a 3‐D virtual environment.

中文翻译：

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用于 3-D 环境的实时分析抗锯齿文本

文本是用于用户界面和寻路的 3-D 环境和虚拟世界的重要组成部分。使用标准的抗锯齿纹理映射实现文本会导致书写模糊和难以辨认，从而阻碍可用性和导航。虽然超级采样消除了其中一些伪影，但分散注意力的伪影仍然会妨碍可读性，尤其是对于最近的高分辨率头戴式显示器。我们提出了一种分析抗锯齿技术，可以有效地计算文本字形覆盖像素足迹，旨在以实时速率运行。它将字形分解为分段双二次曲面和梯形，可以在像素足迹上快速区域积分，以提供清晰易读的抗锯齿文本，即使映射到 3D 虚拟环境中的任意表面也是如此。