Stephan Unverwerth 8ae3eb6c33 LibSoftGPU: Implement 5 bits of subpixel precision ...

This snaps vertices to 1/32 of a pixel before rasterization resulting
in smoother movement and less floaty appearance of moving triangles.

This also reduces the severity of the artifacts in the glquake port.

5 bits should allow up to 1024x1024 render targets. Anything larger
needs a different implementation.

2022-01-06 17:55:05 +01:00

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