diff options
Diffstat (limited to 'src/GPU3D_Soft.cpp')
| -rw-r--r-- | src/GPU3D_Soft.cpp | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/src/GPU3D_Soft.cpp b/src/GPU3D_Soft.cpp index eb38ee7..649f01f 100644 --- a/src/GPU3D_Soft.cpp +++ b/src/GPU3D_Soft.cpp @@ -894,6 +894,10 @@ void RenderPolygon(Polygon* polygon) r_filledge = slope_end->Increment==0; } + int yedge = 0; + if (y == ytop) yedge = 0x4; + else if (y == ybot-1) yedge = 0x8; + Interpolator interpX(xstart, xend+1, wl, wr, 8); for (s32 x = xstart; x <= xend; x++) @@ -901,9 +905,7 @@ void RenderPolygon(Polygon* polygon) if (x < 0) continue; if (x > 255) break; - int edge = 0; - if (y == ytop) edge |= 0x4; - else if (y == ybot-1) edge |= 0x8; + int edge = yedge; if (x < l_edgeend) edge |= 0x1; else if (x > r_edgestart) edge |= 0x2; @@ -966,14 +968,7 @@ void RenderPolygon(Polygon* polygon) // alpha test // TODO: check alpha test when blending is disabled - if (DispCnt & (1<<2)) - { - if (alpha <= AlphaRef) continue; - } - else - { - if (alpha == 0) continue; - } + if (alpha <= AlphaRef) continue; if (alpha == 31) { |