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less derpy texture mapping

This commit is contained in:
StapleButter 2017-03-06 18:43:58 +01:00
parent fe31ec297c
commit a9cc55ca6d
1 changed files with 5 additions and 2 deletions
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7
GPU3D_Soft.cpp
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@ -506,8 +506,8 @@ void RenderPolygon(Polygon* polygon)
s32 zl = vlcur->FinalPosition[2] + (((s64)(vlnext->FinalPosition[2] - vlcur->FinalPosition[2]) * lfactor) >> 12);
s32 zr = vrcur->FinalPosition[2] + (((s64)(vrnext->FinalPosition[2] - vrcur->FinalPosition[2]) * rfactor) >> 12);
s32 wl = vlcur->FinalPosition[3] + (((s64)(vlnext->FinalPosition[3] - vlcur->FinalPosition[3]) * lfactor) >> 12);
s32 wr = vrcur->FinalPosition[3] + (((s64)(vrnext->FinalPosition[3] - vrcur->FinalPosition[3]) * rfactor) >> 12);
//s32 wl = vlcur->FinalPosition[3] + (((s64)(vlnext->FinalPosition[3] - vlcur->FinalPosition[3]) * lfactor) >> 12);
//s32 wr = vrcur->FinalPosition[3] + (((s64)(vrnext->FinalPosition[3] - vrcur->FinalPosition[3]) * rfactor) >> 12);
s64 perspfactorl1 = ((s64)(0x1000 - lfactor) * vlnext->FinalPosition[3]) >> 12;
s64 perspfactorl2 = ((s64)lfactor * vlcur->FinalPosition[3]) >> 12;
@ -525,6 +525,9 @@ void RenderPolygon(Polygon* polygon)
perspfactorr2 = 0;
}
s32 wl = ((perspfactorl1 * vlcur->FinalPosition[3]) + (perspfactorl2 * vlnext->FinalPosition[3])) / (perspfactorl1 + perspfactorl2);
s32 wr = ((perspfactorr1 * vrcur->FinalPosition[3]) + (perspfactorr2 * vrnext->FinalPosition[3])) / (perspfactorr1 + perspfactorr2);
s32 rl = ((perspfactorl1 * vlcur->FinalColor[0]) + (perspfactorl2 * vlnext->FinalColor[0])) / (perspfactorl1 + perspfactorl2);
s32 gl = ((perspfactorl1 * vlcur->FinalColor[1]) + (perspfactorl2 * vlnext->FinalColor[1])) / (perspfactorl1 + perspfactorl2);
s32 bl = ((perspfactorl1 * vlcur->FinalColor[2]) + (perspfactorl2 * vlnext->FinalColor[2])) / (perspfactorl1 + perspfactorl2);