question about wasted index Buffer data

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  • BunnyLOD

    Cross platform GLFW based port of Stan Melax's BunnyLOD Easy Mesh Simplification

  • If you reuse the same index buffer as proposed then you won't be able to share vertices, which can be an important optimization. In my case I use a 323 cache of vert indices and just insert an index rather than a vertex if the vertex already exists and has the same material. I generate normals in the pixel shader to increase what can be shared, and then use a variant of Stan Melax's edge collapse polygon reduction algorithm to combine edges and reduce triangle count.

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