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* undo 'winding sorting' hypothesis
* special depth test rules: 'less than' function becomes 'less or equal' when rendering front-facing polygon pixels against back-facing opaque pixels
This commit is contained in:
StapleButter
2017-07-06 18:38:13 +02:00
parent b29b128a1b
commit 3aa83ae641
2 changed files with 53 additions and 31 deletions
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4
src/GPU3D.cpp
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@ -858,8 +858,7 @@ void SubmitPolygon()
poly->XTop = xtop; poly->XBottom = xbot;
poly->SortKey = (ybot << 8) | ytop;
if (poly->Translucent) poly->SortKey |= 0x20000;
else if (!poly->FacingView) poly->SortKey |= 0x10000;
if (poly->Translucent) poly->SortKey |= 0x10000;
poly->WShift = wshift;
poly->WBuffer = (FlushAttributes & 0x2);
@ -1801,7 +1800,6 @@ bool YSort(Polygon* a, Polygon* b)
{
// polygon sorting rules:
// * opaque polygons come first
// * opaque polygons are sorted by winding, front-facing polygons come first
// * polygons with lower bottom Y come first
// * upon equal bottom Y, polygons with lower top Y come first
// * upon equal bottom AND top Y, original ordering is used