Figured I’d throw this out there: does anyone know the fastest way to *conservatively* rasterize lines on GPU? I’ve tried: (1) drawing instanced thin quads; (2) drawing thin quads w/o instancing (~15% faster); (3) glLineWidth(2.0) (fastest on NVIDIA, but deprecated)
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Wide lines are such a pain that I kind of understand not requiring drivers to support it.
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I don’t need wide lines per se, I just want some efficient way to conservatively rasterize potentially millions of lines (over 2M for paris-30k.svg). (This is for Pathfinder tiling—I render at 1/16 resolution and bucket into 16x16 tiles in the fragment shader.)
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