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vectors need to be 64 bit 

or alternatively we might need to normalize them somehow?
This commit is contained in:
Jaklyy 2024-08-17 23:33:49 -04:00
parent 4c9e16d5d4
commit 094af17674
1 changed files with 2 additions and 2 deletions
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4
src/GPU3D.cpp
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@ -980,8 +980,8 @@ void GPU3D::SubmitPolygon() noexcept
// setup vectors for v0->v2 and v1->v2, with w serving as the z axis // setup vectors for v0->v2 and v1->v2, with w serving as the z axis
s32 vector0[3] = { v0->Position[0] - v2->Position[0], v0->Position[1] - v2->Position[1], v0->Position[3] - v2->Position[3] }; s64 vector0[3] = { (s64)v0->Position[0] - v2->Position[0], (s64)v0->Position[1] - v2->Position[1], (s64)v0->Position[3] - v2->Position[3] };
s32 vector1[3] = { v1->Position[0] - v2->Position[0], v1->Position[1] - v2->Position[1], v1->Position[3] - v2->Position[3] }; s64 vector1[3] = { (s64)v1->Position[0] - v2->Position[0], (s64)v1->Position[1] - v2->Position[1], (s64)v1->Position[3] - v2->Position[3] };
// if either vector is entirely 0, the polygon is accepted, and the front facing flag is set for the rasterizer // if either vector is entirely 0, the polygon is accepted, and the front facing flag is set for the rasterizer
if (((vector0[0] | vector0[1] | vector0[2]) == 0) || ((vector1[0] | vector1[1] | vector1[2]) == 0)) if (((vector0[0] | vector0[1] | vector0[2]) == 0) || ((vector1[0] | vector1[1] | vector1[2]) == 0))