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wuyize 2024-03-18 12:31:11 +08:00
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复杂的矢量纹理中存在大量图元，故**使用BVH（Bounding Volume Hierarchies，层次包围盒）结构组织图元**，以加速对于图元的搜素，同时可避免重复存储相似的图元。
划分示例如下图（绿框为BVH，红框为四叉树）：
![ssbo](README.assets/bvh_and_quadtree.png)
经过上述方法处理的矢量纹理数据以SSBO（Shader Storage Buffer Object）形式存储于显存，最终在显存中维护的数据结构如下图所示：
![ssbo](README.assets/ssbo.png)