Streaming Virtual Texturing (SVT) 功能可在场景中具有很多高分辨率纹理时减少 GPU 内存使用量和纹理加载时间。它将纹理拆分为瓦片,然后在需要时将这些瓦片逐步上传到 GPU 内存中。
SVT 允许您设置固定的内存成本。对于完整的纹理质量,所需的 GPU 缓存大小主要取决于帧分辨率,而不是场景中纹理的数量或分辨率。场景中的高分辨率纹理越多,使用 SVT 节省的 GPU 内存就越多。
SVT uses the Granite SDK runtime. The workflow requires no additional import time, no additional build step, and no additional streaming files. You work with regular Unity Textures in the Unity Editor, and Unity generates the Granite SDK streaming files when it builds your project.
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