[vf3tb] vertical lines bug

[model-123]

I am using 12e3b6a Vertical lines appear when I set vf3tb to 2048x1536 resolution Vertical lines are displayed for both triangles and quads This is more noticeable when using quad rendering.

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[model-123]

There was no problem before 4e7356a.

[dukeeeey]

edit nvm okay i see it, let me debug

[dukeeeey]

The 2nd virtua figther pic I tested it, the quad and triangle renderers give the same result. Due to the way the coordinates work, polygons gaps are only guaranteed to not appear if the adjacent polys have exactly the same vertex positions. I haven't tested the other scenes. Sega rally 2 you see a fair few of these but this is not really an emulation issue.