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model2.cpp: fix viewport (nw)

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angelosa 2018-02-07 16:28:02 +01:00
parent 41669be0a1
commit 00eadbc44a
1 changed files with 4 additions and 2 deletions
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src/mame/video/model2.cpp
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@ -790,7 +790,9 @@ void model2_renderer::model2_3d_render(triangle *tri, const rectangle &cliprect)
renderer = (tri->texheader[0] >> 13) & 7; renderer = (tri->texheader[0] >> 13) & 7;
/* calculate and clip to viewport */ /* calculate and clip to viewport */
rectangle vp(tri->viewport[0] - 8, tri->viewport[2] - 8, (384-tri->viewport[3])+90, (384-tri->viewport[1])+90); // TODO: correct? seems to be right for all cases
//rectangle vp(tri->viewport[0] - 8, tri->viewport[2] - 8, (384-tri->viewport[3])+90, (384-tri->viewport[1])+90);
rectangle vp(tri->viewport[0] - 8, tri->viewport[2] - tri->viewport[0], tri->viewport[1] - 127, tri->viewport[3] - tri->viewport[1]);
vp &= cliprect; vp &= cliprect;
extra.state = &m_state; extra.state = &m_state;