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SIMD refactor

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This commit is contained in:
Jack Andersen
2018-12-07 15:31:11 -10:00
parent 1b073abb76
commit 54c466276b
13 changed files with 107 additions and 81 deletions
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43
hecl/lib/Blender/HMDL.cpp
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@@ -11,18 +11,30 @@ namespace hecl::blender
atVec3f MtxVecMul4RM(const Matrix4f& mtx, const Vector3f& vec)
{
atVec3f res;
res.vec[0] = mtx[0].vec[0] * vec.val.vec[0] + mtx[0].vec[1] * vec.val.vec[1] + mtx[0].vec[2] * vec.val.vec[2] + mtx[0].vec[3];
res.vec[1] = mtx[1].vec[0] * vec.val.vec[0] + mtx[1].vec[1] * vec.val.vec[1] + mtx[1].vec[2] * vec.val.vec[2] + mtx[1].vec[3];
res.vec[2] = mtx[2].vec[0] * vec.val.vec[0] + mtx[2].vec[1] * vec.val.vec[1] + mtx[2].vec[2] * vec.val.vec[2] + mtx[2].vec[3];
athena::simd_floats resf;
athena::simd_floats mtxf[3];
for (int i = 0; i < 3; ++i)
mtx[i].simd.copy_to(mtxf[i]);
athena::simd_floats vecf(vec.val.simd);
resf[0] = mtxf[0][0] * vecf[0] + mtxf[0][1] * vecf[1] + mtxf[0][2] * vecf[2] + mtxf[0][3];
resf[1] = mtxf[1][0] * vecf[0] + mtxf[1][1] * vecf[1] + mtxf[1][2] * vecf[2] + mtxf[1][3];
resf[2] = mtxf[2][0] * vecf[0] + mtxf[2][1] * vecf[1] + mtxf[2][2] * vecf[2] + mtxf[2][3];
res.simd.copy_from(resf);
return res;
}
atVec3f MtxVecMul3RM(const Matrix4f& mtx, const Vector3f& vec)
{
atVec3f res;
res.vec[0] = mtx[0].vec[0] * vec.val.vec[0] + mtx[0].vec[1] * vec.val.vec[1] + mtx[0].vec[2] * vec.val.vec[2];
res.vec[1] = mtx[1].vec[0] * vec.val.vec[0] + mtx[1].vec[1] * vec.val.vec[1] + mtx[1].vec[2] * vec.val.vec[2];
res.vec[2] = mtx[2].vec[0] * vec.val.vec[0] + mtx[2].vec[1] * vec.val.vec[1] + mtx[2].vec[2] * vec.val.vec[2];
athena::simd_floats resf;
athena::simd_floats mtxf[3];
for (int i = 0; i < 3; ++i)
mtx[i].simd.copy_to(mtxf[i]);
athena::simd_floats vecf(vec.val.simd);
resf[0] = mtxf[0][0] * vecf[0] + mtxf[0][1] * vecf[1] + mtxf[0][2] * vecf[2];
resf[1] = mtxf[1][0] * vecf[0] + mtxf[1][1] * vecf[1] + mtxf[1][2] * vecf[2];
resf[2] = mtxf[2][0] * vecf[0] + mtxf[2][1] * vecf[1] + mtxf[2][2] * vecf[2];
res.simd.copy_from(resf);
return res;
}
@@ -113,15 +125,11 @@ HMDLBuffers Mesh::getHMDLBuffers(bool absoluteCoords, PoolSkinIndex& poolSkinInd
vboW.writeVec3fLittle(preXfPos);
atVec3f preXfNorm = MtxVecMul3RM(sceneXf, norm[v.iNorm]);
float mag =
preXfNorm.vec[0] * preXfNorm.vec[0] +
preXfNorm.vec[1] * preXfNorm.vec[1] +
preXfNorm.vec[2] * preXfNorm.vec[2];
athena::simd_floats f(preXfNorm.simd * preXfNorm.simd);
float mag = f[0] + f[1] + f[2];
if (mag > FLT_EPSILON)
mag = 1.f / std::sqrt(mag);
preXfNorm.vec[0] *= mag;
preXfNorm.vec[1] *= mag;
preXfNorm.vec[2] *= mag;
preXfNorm.simd *= mag;
vboW.writeVec3fLittle(preXfNorm);
}
else
@@ -133,9 +141,10 @@ HMDLBuffers Mesh::getHMDLBuffers(bool absoluteCoords, PoolSkinIndex& poolSkinInd
for (size_t i=0 ; i<colorLayerCount ; ++i)
{
const Vector3f& c = color[v.iColor[i]];
vboW.writeUByte(std::max(0, std::min(255, int(c.val.vec[0] * 255))));
vboW.writeUByte(std::max(0, std::min(255, int(c.val.vec[1] * 255))));
vboW.writeUByte(std::max(0, std::min(255, int(c.val.vec[2] * 255))));
athena::simd_floats f(c.val.simd);
vboW.writeUByte(std::max(0, std::min(255, int(f[0] * 255))));
vboW.writeUByte(std::max(0, std::min(255, int(f[1] * 255))));
vboW.writeUByte(std::max(0, std::min(255, int(f[2] * 255))));
vboW.writeUByte(255);
}
@@ -158,7 +167,7 @@ HMDLBuffers Mesh::getHMDLBuffers(bool absoluteCoords, PoolSkinIndex& poolSkinInd
for (const SkinBind& bind : binds)
if (bind.boneIdx == *it)
{
vec.vec[j] = bind.weight;
vec.simd[j] = bind.weight;
break;
}
++it;