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Fix issues in renderAndDrawTriangles.

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Fixed regression with Paper Mario Lantern Ghost Boss Fight #2468
This commit is contained in:
Sergey Lipskiy 2021-03-16 00:16:57 +07:00
parent 92c9bd8408
commit e31b7b7045
1 changed files with 11 additions and 12 deletions
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23
src/SoftwareRender.cpp
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@ -369,12 +369,6 @@ f32 renderAndDrawTriangles(const SPVertex *_pVertices,
Rasterize(vdraw, 3, dzdx);
};
auto calcMaxY = [&maxY](const vertexclip* pVtxClip)
{
for (u32 k = 0; k < 3; ++k)
maxY = std::max(maxY, pVtxClip[k].y);
};
for (u32 i = 0; i < _numElements; i += 3) {
u32 orbits = 0;
u32 modify = 0;
@ -406,8 +400,10 @@ f32 renderAndDrawTriangles(const SPVertex *_pVertices,
if (needResterise)
rasterise(vclip, clockwise);
else
calcMaxY(vclip);
else {
for (u32 k = 0; k < 3; ++k)
maxY = std::max(maxY, vclip[k].y);
}
} else {
assert(modify == 0);
// No screen space coordinates, so use clipping in homogeneous space.
@ -421,8 +417,6 @@ f32 renderAndDrawTriangles(const SPVertex *_pVertices,
auto prevNumVtx = vResult.size();
clipInHomogeneousSpace(vCopy, vResult);
const size_t numVertex = vResult.size() - prevNumVtx;
if (!needResterise)
continue;
if (numVertex == 0) {
_statistics.drawnTris--;
_statistics.clippedTris++;
@ -439,8 +433,13 @@ f32 renderAndDrawTriangles(const SPVertex *_pVertices,
continue;
}
for (size_t l = 0; l < numVertex; l += 3)
rasterise(vclip.data() + l, clockwise);
if (needResterise) {
for (size_t l = 0; l < numVertex; l += 3)
rasterise(vclip.data() + l, clockwise);
} else {
for (const vertexclip& v : vclip)
maxY = std::max(maxY, v.y);
}
}
}