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Data-alignment. SSE intrinsics.

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This commit is contained in:
Shyotl
2011-07-18 22:11:48 -05:00
parent 7a689f5ccb
commit 35e0b9b6ff
35 changed files with 284 additions and 368 deletions
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200
indra/llmath/llcamera.cpp
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@@ -168,166 +168,91 @@ size_t LLCamera::readFrustumFromBuffer(const char *buffer)
// ---------------- test methods ----------------
S32 LLCamera::AABBInFrustum(const LLVector3 &center, const LLVector3& radius)
S32 LLCamera::AABBInFrustum(const LLVector4a &center, const LLVector4a& radius)
{
static const LLVector3 scaler[] = {
LLVector3(-1,-1,-1),
LLVector3( 1,-1,-1),
LLVector3(-1, 1,-1),
LLVector3( 1, 1,-1),
LLVector3(-1,-1, 1),
LLVector3( 1,-1, 1),
LLVector3(-1, 1, 1),
LLVector3( 1, 1, 1)
static const LLVector4a scaler[] = {
LLVector4a(-1,-1,-1),
LLVector4a( 1,-1,-1),
LLVector4a(-1, 1,-1),
LLVector4a( 1, 1,-1),
LLVector4a(-1,-1, 1),
LLVector4a( 1,-1, 1),
LLVector4a(-1, 1, 1),
LLVector4a( 1, 1, 1)
};
U8 mask = 0;
S32 result = 2;
/*if (radius.magVecSquared() > mFrustumCornerDist * mFrustumCornerDist)
{ //box is larger than frustum, check frustum quads against box planes
static const LLVector3 dir[] =
{
LLVector3(1, 0, 0),
LLVector3(-1, 0, 0),
LLVector3(0, 1, 0),
LLVector3(0, -1, 0),
LLVector3(0, 0, 1),
LLVector3(0, 0, -1)
};
U32 quads[] =
{
0, 1, 2, 3,
0, 1, 5, 4,
2, 3, 7, 6,
3, 0, 7, 4,
1, 2, 6, 4,
4, 5, 6, 7
};
result = 0;
BOOL total_inside = TRUE;
for (U32 i = 0; i < 6; i++)
{
LLVector3 p = center + radius.scaledVec(dir[i]);
F32 d = -p*dir[i];
for (U32 j = 0; j < 6; j++)
{ //for each quad
F32 dist = mAgentFrustum[quads[j*4+0]]*dir[i] + d;
if (dist > 0)
{ //at least one frustum point is outside the AABB
total_inside = FALSE;
for (U32 k = 1; k < 4; k++)
{ //for each other point on quad
if ( mAgentFrustum[quads[j*4+k]]*dir[i]+d <= 0.f)
{ //quad is straddling some plane of AABB
return 1;
}
}
}
else
{
for (U32 k = 1; k < 4; k++)
{
if (mAgentFrustum[quads[j*4+k]]*dir[i]+d > 0.f)
{
return 1;
}
}
}
}
}
if (total_inside)
{
result = 1;
}
}
else*/
bool result = false;
LLVector4a rscale, maxp, minp;
LLSimdScalar d;
for (U32 i = 0; i < mPlaneCount; i++)
{
for (U32 i = 0; i < mPlaneCount; i++)
mask = mPlaneMask[i];
if (mask != 0xff)
{
mask = mPlaneMask[i];
if (mask == 0xff)
{
continue;
}
LLPlane p = mAgentPlanes[i];
LLVector3 n = LLVector3(p);
float d = p.mV[3];
LLVector3 rscale = radius.scaledVec(scaler[mask]);
LLVector3 minp = center - rscale;
LLVector3 maxp = center + rscale;
if (n * minp > -d)
const LLPlane& p(mAgentPlanes[i]);
p.getAt<3>(d);
rscale.setMul(radius, scaler[mask]);
minp.setSub(center, rscale);
d = -d;
if (p.dot3(minp).getF32() > d)
{
return 0;
}
if (n * maxp > -d)
if(!result)
{
result = 1;
maxp.setAdd(center, rscale);
result = (p.dot3(maxp).getF32() > d);
}
}
}
return result;
return result?1:2;
}
S32 LLCamera::AABBInFrustumNoFarClip(const LLVector3 &center, const LLVector3& radius)
S32 LLCamera::AABBInFrustumNoFarClip(const LLVector4a& center, const LLVector4a& radius)
{
static const LLVector3 scaler[] = {
LLVector3(-1,-1,-1),
LLVector3( 1,-1,-1),
LLVector3(-1, 1,-1),
LLVector3( 1, 1,-1),
LLVector3(-1,-1, 1),
LLVector3( 1,-1, 1),
LLVector3(-1, 1, 1),
LLVector3( 1, 1, 1)
static const LLVector4a scaler[] = {
LLVector4a(-1,-1,-1),
LLVector4a( 1,-1,-1),
LLVector4a(-1, 1,-1),
LLVector4a( 1, 1,-1),
LLVector4a(-1,-1, 1),
LLVector4a( 1,-1, 1),
LLVector4a(-1, 1, 1),
LLVector4a( 1, 1, 1)
};
U8 mask = 0;
S32 result = 2;
bool result = false;
LLVector4a rscale, maxp, minp;
LLSimdScalar d;
for (U32 i = 0; i < mPlaneCount; i++)
{
if (i == 5)
{
continue;
}
mask = mPlaneMask[i];
if (mask == 0xff)
if ((i != 5) && (mask != 0xff))
{
continue;
}
LLPlane p = mAgentPlanes[i];
LLVector3 n = LLVector3(p);
float d = p.mV[3];
LLVector3 rscale = radius.scaledVec(scaler[mask]);
LLVector3 minp = center - rscale;
LLVector3 maxp = center + rscale;
if (n * minp > -d)
{
return 0;
}
if (n * maxp > -d)
{
result = 1;
const LLPlane& p(mAgentPlanes[i]);
p.getAt<3>(d);
rscale.setMul(radius, scaler[mask]);
minp.setSub(center, rscale);
d = -d;
if (p.dot3(minp).getF32() > d)
{
return 0;
}
if(!result)
{
maxp.setAdd(center, rscale);
result = (p.dot3(maxp).getF32() > d);
}
}
}
return result;
return result?1:2;
}
int LLCamera::sphereInFrustumQuick(const LLVector3 &sphere_center, const F32 radius)
@@ -715,9 +640,10 @@ void LLCamera::calculateWorldFrustumPlanes()
F32 d;
LLVector3 center = mOrigin - mXAxis*mNearPlane;
mWorldPlanePos = center;
LLVector3 pnorm;
for (int p=0; p<4; p++)
{
LLVector3 pnorm = LLVector3(mLocalPlanes[p]);
mLocalPlanes[p].getVector3(pnorm);
LLVector3 norm = rotateToAbsolute(pnorm);
norm.normVec();
d = -(center * norm);
@@ -727,13 +653,15 @@ void LLCamera::calculateWorldFrustumPlanes()
LLVector3 zaxis(0, 0, 1.0f);
F32 yaw = getYaw();
{
LLVector3 tnorm = LLVector3(mLocalPlanes[PLANE_LEFT]);
LLVector3 tnorm;
mLocalPlanes[PLANE_LEFT].getVector3(tnorm);
tnorm.rotVec(yaw, zaxis);
d = -(mOrigin * tnorm);
mHorizPlanes[HORIZ_PLANE_LEFT] = LLPlane(tnorm, d);
}
{
LLVector3 tnorm = LLVector3(mLocalPlanes[PLANE_RIGHT]);
LLVector3 tnorm;
mLocalPlanes[PLANE_RIGHT].getVector3(tnorm);
tnorm.rotVec(yaw, zaxis);
d = -(mOrigin * tnorm);
mHorizPlanes[HORIZ_PLANE_RIGHT] = LLPlane(tnorm, d);