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remove an optimization for swapped polygons 

why did i optimize swapped polygons?
they're not that common.
This commit is contained in:
Jaklyy 2023-12-10 15:52:28 -05:00
parent 3facbe90c9
commit 3268f94f4b
1 changed files with 4 additions and 7 deletions
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11
src/GPU3D_Soft.h
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@ -352,13 +352,10 @@ private:
{
// only do length calc for right side when swapped as it's
// only needed for aa calcs, as actual line spans are broken
if (!swapped || side)
{
if (side ^ Negative)
*length = (dx >> 18) - ((dx-Increment) >> 18);
else
*length = ((dx+Increment) >> 18) - (dx >> 18);
}
if (side ^ Negative)
*length = (dx >> 18) - ((dx-Increment) >> 18);
else
*length = ((dx+Increment) >> 18) - (dx >> 18);
// for X-major edges, we return the coverage
// for the first pixel, and the increment for