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software: Examine v0/v1 for uv rotation.

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If we determine tl/br heuristically, it can never rotate correctly.

Anyway, this still is not rotating correctly...
This commit is contained in:
Unknown W. Brackets 2015-05-10 14:37:14 -07:00
parent a090b5853f
commit ea36554c6a
1 changed files with 2 additions and 2 deletions
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4
GPU/Software/Clipper.cpp
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@ -125,7 +125,7 @@ static inline int CalcClipMask(const ClipCoords& v)
} \
}
static void RotateUVThrough(VertexData &tl, VertexData &tr, VertexData &bl, VertexData &br) {
static void RotateUVThrough(const VertexData &tl, const VertexData &br, VertexData &tr, VertexData &bl) {
const fixed16 x1 = tl.screenpos.x;
const fixed16 x2 = br.screenpos.x;
const fixed16 y1 = tl.screenpos.y;
@ -211,7 +211,7 @@ void ProcessRect(const VertexData& v0, const VertexData& v1)
bottomright = &buf[i];
}
RotateUVThrough(*topleft, *topright, *bottomleft, *bottomright);
RotateUVThrough(v0, v1, *topright, *bottomleft);
// Four triangles to do backfaces as well. Two of them will get backface culled.
Rasterizer::DrawTriangle(*topleft, *topright, *bottomright);