piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2024-11-13 12:57:42 -07:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

remove an optimization for swapped polygons

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/GPU3D_Soft.h
View File

@ -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