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- Make the relationship between TriMatrix, TriVertex and ShadedTriVertex more clean

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Magnus Norddahl 2017-09-21 01:21:21 +02:00
commit 59ee89b622
10 changed files with 82 additions and 74 deletions
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26
src/polyrenderer/math/tri_matrix.cpp
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@ -173,33 +173,27 @@ TriMatrix TriMatrix::operator*(const TriMatrix &mult) const
return result;
}
TriVertex TriMatrix::operator*(TriVertex v) const
FVector4 TriMatrix::operator*(const FVector4 &v) const
{
#ifdef NO_SSE
float vx = matrix[0 * 4 + 0] * v.x + matrix[1 * 4 + 0] * v.y + matrix[2 * 4 + 0] * v.z + matrix[3 * 4 + 0] * v.w;
float vy = matrix[0 * 4 + 1] * v.x + matrix[1 * 4 + 1] * v.y + matrix[2 * 4 + 1] * v.z + matrix[3 * 4 + 1] * v.w;
float vz = matrix[0 * 4 + 2] * v.x + matrix[1 * 4 + 2] * v.y + matrix[2 * 4 + 2] * v.z + matrix[3 * 4 + 2] * v.w;
float vw = matrix[0 * 4 + 3] * v.x + matrix[1 * 4 + 3] * v.y + matrix[2 * 4 + 3] * v.z + matrix[3 * 4 + 3] * v.w;
TriVertex sv;
sv.x = vx;
sv.y = vy;
sv.z = vz;
sv.w = vw;
float vx = matrix[0 * 4 + 0] * v.X + matrix[1 * 4 + 0] * v.Y + matrix[2 * 4 + 0] * v.Z + matrix[3 * 4 + 0] * v.W;
float vy = matrix[0 * 4 + 1] * v.X + matrix[1 * 4 + 1] * v.Y + matrix[2 * 4 + 1] * v.Z + matrix[3 * 4 + 1] * v.W;
float vz = matrix[0 * 4 + 2] * v.X + matrix[1 * 4 + 2] * v.Y + matrix[2 * 4 + 2] * v.Z + matrix[3 * 4 + 2] * v.W;
float vw = matrix[0 * 4 + 3] * v.X + matrix[1 * 4 + 3] * v.Y + matrix[2 * 4 + 3] * v.Z + matrix[3 * 4 + 3] * v.W;
return{ vx, vy, vz, vw };
#else
__m128 m0 = _mm_loadu_ps(matrix);
__m128 m1 = _mm_loadu_ps(matrix + 4);
__m128 m2 = _mm_loadu_ps(matrix + 8);
__m128 m3 = _mm_loadu_ps(matrix + 12);
__m128 mv = _mm_loadu_ps(&v.x);
__m128 mv = _mm_loadu_ps(&v.X);
m0 = _mm_mul_ps(m0, _mm_shuffle_ps(mv, mv, _MM_SHUFFLE(0, 0, 0, 0)));
m1 = _mm_mul_ps(m1, _mm_shuffle_ps(mv, mv, _MM_SHUFFLE(1, 1, 1, 1)));
m2 = _mm_mul_ps(m2, _mm_shuffle_ps(mv, mv, _MM_SHUFFLE(2, 2, 2, 2)));
m3 = _mm_mul_ps(m3, _mm_shuffle_ps(mv, mv, _MM_SHUFFLE(3, 3, 3, 3)));
mv = _mm_add_ps(_mm_add_ps(_mm_add_ps(m0, m1), m2), m3);
TriVertex sv;
_mm_storeu_ps(&sv.x, mv);
#endif
sv.u = v.u;
sv.v = v.v;
FVector4 sv;
_mm_storeu_ps(&sv.X, mv);
return sv;
#endif
}

2
src/polyrenderer/math/tri_matrix.h
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@ -39,7 +39,7 @@ struct TriMatrix
//static TriMatrix worldToView(const FRenderViewpoint &viewpoint); // Software renderer world to view space transform
//static TriMatrix viewToClip(double focalTangent, double centerY, double invZtoScale); // Software renderer shearing projection
TriVertex operator*(TriVertex v) const;
FVector4 operator*(const FVector4 &v) const;
TriMatrix operator*(const TriMatrix &m) const;
float matrix[16];