void LLVOPartGroup::updateSpatialExtents(LLVector4a& newMin, LLVector4a& newMax)
{
const LLVector3& pos_agent = getPositionAgent();
newMin.load3( (pos_agent - mScale).mV);
newMax.load3( (pos_agent + mScale).mV);
LLVector4a pos;
pos.load3(pos_agent.mV);
mDrawable->setPositionGroup(pos);
}
void LLVOSurfacePatch::updateSpatialExtents(LLVector4a& newMin, LLVector4a &newMax)
{
LLVector3 posAgent = getPositionAgent();
LLVector3 scale = getScale();
scale.mV[VZ] = llmax(scale.mV[VZ], 1.f);
newMin.load3( (posAgent-scale*0.5f).mV); // Changing to 2.f makes the culling a -little- better, but still wrong
newMax.load3( (posAgent+scale*0.5f).mV);
LLVector4a pos;
pos.setAdd(newMin,newMax);
pos.mul(0.5f);
mDrawable->setPositionGroup(pos);
}
void LLVOTree::updateSpatialExtents(LLVector4a& newMin, LLVector4a& newMax)
{
F32 radius = getScale().length()*0.05f;
LLVector3 center = getRenderPosition();
F32 sz = mBillboardScale*mBillboardRatio*radius*0.5f;
LLVector3 size(sz,sz,sz);
center += LLVector3(0, 0, size.mV[2]) * getRotation();
newMin.load3((center-size).mV);
newMax.load3((center+size).mV);
LLVector4a pos;
pos.load3(center.mV);
mDrawable->setPositionGroup(pos);
}
const LLVector3 LLDrawable::getPositionAgent() const
{
if (getVOVolume())
{
if (isActive())
{
if (!isRoot())
{
LLVector4a pos;
pos.load3(mVObjp->getPosition().mV);
getRenderMatrix().affineTransform(pos,pos);
return LLVector3(pos.getF32ptr());
}
else
{
return LLVector3(getRenderMatrix().getRow<3>().getF32ptr());
}
}
else
{
return mVObjp->getPositionAgent();
}
}
else
{
return getWorldPosition();
}
}
void LLVOWater::updateSpatialExtents(LLVector4a &newMin, LLVector4a& newMax)
{
LLVector4a pos;
pos.load3(getPositionAgent().mV);
LLVector4a scale;
scale.load3(getScale().mV);
scale.mul(0.5f);
newMin.setSub(pos, scale);
newMax.setAdd(pos, scale);
pos.setAdd(newMin,newMax);
pos.mul(0.5f);
mDrawable->setPositionGroup(pos);
}
U8* get_box_fan_indices_ptr(LLCamera* camera, const LLVector4a& center)
{
LLVector4a origin;
origin.load3(camera->getOrigin().mV);
S32 cypher = center.greaterThan(origin).getGatheredBits() & 0x7;
return (U8*) (sOcclusionIndices+cypher*8);
}
U32 get_box_fan_indices(LLCamera* camera, const LLVector4a& center)
{
LLVector4a origin;
origin.load3(camera->getOrigin().mV);
S32 cypher = center.greaterThan(origin).getGatheredBits() & 0x7;
return cypher*8;
}
BOOL LLFace::calcPixelArea(F32& cos_angle_to_view_dir, F32& radius)
{
//VECTORIZE THIS
//get area of circle around face
LLVector4a center;
center.load3(getPositionAgent().mV);
LLVector4a size;
size.setSub(mExtents[1], mExtents[0]);
size.mul(0.5f);
LLViewerCamera* camera = LLViewerCamera::getInstance();
F32 size_squared = size.dot3(size).getF32();
LLVector4a lookAt;
LLVector4a t;
t.load3(camera->getOrigin().mV);
lookAt.setSub(center, t);
F32 dist = lookAt.getLength3().getF32();
dist = llmax(dist-size.getLength3().getF32(), 0.f);
lookAt.normalize3fast() ;
//get area of circle around node
F32 app_angle = atanf((F32) sqrt(size_squared) / dist);
radius = app_angle*LLDrawable::sCurPixelAngle;
mPixelArea = radius*radius * 3.14159f;
LLVector4a x_axis;
x_axis.load3(camera->getXAxis().mV);
cos_angle_to_view_dir = lookAt.dot3(x_axis).getF32();
if(dist < mBoundingSphereRadius) //camera is very close
{
cos_angle_to_view_dir = 1.0f;
mImportanceToCamera = 1.0f;
}
else
{
mImportanceToCamera = LLFace::calcImportanceToCamera(cos_angle_to_view_dir, dist);
}
return true;
}
LLCamera LLSpatialBridge::transformCamera(LLCamera& camera)
{
LLCamera ret = camera;
LLXformMatrix* mat = mDrawable->getXform();
const LLVector4a& center = mat->getWorldMatrix().getRow<3>();
LLQuaternion2 invRot;
invRot.setConjugate( LLQuaternion2(mat->getRotation()) );
LLVector4a delta;
delta.load3(ret.getOrigin().mV);
delta.sub(center);
LLVector4a lookAt;
lookAt.load3(ret.getAtAxis().mV);
LLVector4a up_axis;
up_axis.load3(ret.getUpAxis().mV);
LLVector4a left_axis;
left_axis.load3(ret.getLeftAxis().mV);
delta.setRotated(invRot, delta);
lookAt.setRotated(invRot, lookAt);
up_axis.setRotated(invRot, up_axis);
left_axis.setRotated(invRot, left_axis);
if (!delta.isFinite3())
{
delta.clear();
}
ret.setOrigin(LLVector3(delta.getF32ptr()));
ret.setAxes(LLVector3(lookAt.getF32ptr()), LLVector3(left_axis.getF32ptr()), LLVector3(up_axis.getF32ptr()));
return ret;
}
LLPolyMorphData *clone_morph_param_direction(const LLPolyMorphData *src_data,
const LLVector3 &direction,
const std::string &name)
{
LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*src_data);
cloned_morph_data->mName = name;
LLVector4a dir;
dir.load3(direction.mV);
for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
{
cloned_morph_data->mCoords[v] = dir;
cloned_morph_data->mNormals[v].clear();
cloned_morph_data->mBinormals[v].clear();
}
return cloned_morph_data;
}
S32 AABBSphereIntersectR2(const LLVector4a& min, const LLVector4a& max, const LLVector3 &origin, const F32 &r)
{
F32 d = 0.f;
F32 t;
LLVector4a origina;
origina.load3(origin.mV);
LLVector4a v;
v.setSub(min, origina);
if (v.dot3(v) < r)
{
v.setSub(max, origina);
if (v.dot3(v) < r)
{
return 2;
}
}
for (U32 i = 0; i < 3; i++)
{
if (origin.mV[i] < min[i])
{
t = min[i] - origin.mV[i];
d += t*t;
}
else if (origin.mV[i] > max[i])
{
t = origin.mV[i] - max[i];
d += t*t;
}
if (d > r)
{
return 0;
}
}
return 1;
}
void LLVOPartGroup::updateSpatialExtents(LLVector4a& newMin, LLVector4a& newMax)
{
const LLVector3& pos_agent = getPositionAgent();
LLVector4a scale;
LLVector4a p;
p.load3(pos_agent.mV);
scale.splat(mScale.mV[0]+mViewerPartGroupp->getBoxSide()*0.5f);
newMin.setSub(p, scale);
newMax.setAdd(p,scale);
llassert(newMin.isFinite3());
llassert(newMax.isFinite3());
llassert(p.isFinite3());
mDrawable->setPositionGroup(p);
}
BOOL LLOcclusionCullingGroup::earlyFail(LLCamera* camera, const LLVector4a* bounds)
{
if (camera->getOrigin().isExactlyZero())
{
return FALSE;
}
static LLCachedControl<F32> vel("SHOcclusionFudge",SG_OCCLUSION_FUDGE);
LLVector4a fudge(vel*2.f);
const LLVector4a& c = bounds[0];
static LLVector4a r;
r.setAdd(bounds[1], fudge);
/*if (r.magVecSquared() > 1024.0*1024.0)
{
return TRUE;
}*/
LLVector4a e;
e.load3(camera->getOrigin().mV);
LLVector4a min;
min.setSub(c,r);
LLVector4a max;
max.setAdd(c,r);
S32 lt = e.lessThan(min).getGatheredBits() & 0x7;
if (lt)
{
return FALSE;
}
S32 gt = e.greaterThan(max).getGatheredBits() & 0x7;
if (gt)
{
return FALSE;
}
return TRUE;
}
bool LLViewerOctreeCull::checkProjectionArea(const LLVector4a& center, const LLVector4a& size, const LLVector3& shift, F32 pixel_threshold, F32 near_radius)
{
LLVector3 local_orig = mCamera->getOrigin() - shift;
LLVector4a origin;
origin.load3(local_orig.mV);
LLVector4a lookAt;
lookAt.setSub(center, origin);
F32 distance = lookAt.getLength3().getF32();
if(distance <= near_radius)
{
return true; //always load close-by objects
}
// treat object as if it were near_radius meters closer than it actually was.
// this allows us to get some temporal coherence on visibility...objects that can be reached quickly will tend to be visible
distance -= near_radius;
F32 squared_rad = size.dot3(size).getF32();
return squared_rad / distance > pixel_threshold;
}
void LLVOCacheEntry::setBoundingInfo(const LLVector3& pos, const LLVector3& scale)
{
LLVector4a center, newMin, newMax;
center.load3(pos.mV);
LLVector4a size;
size.load3(scale.mV);
newMin.setSub(center, size);
newMax.setAdd(center, size);
setPositionGroup(center);
setSpatialExtents(newMin, newMax);
if(getNumOfChildren() > 0) //has children
{
updateParentBoundingInfo();
}
else
{
setBinRadius(llmin(size.getLength3().getF32() * 4.f, 256.f));
}
}
BOOL LLFace::getGeometryVolume(const LLVolume& volume,
const S32 &f,
const LLMatrix4& mat_vert_in, const LLMatrix3& mat_norm_in,
const U16 &index_offset,
bool force_rebuild)
{
llassert(verify());
const LLVolumeFace &vf = volume.getVolumeFace(f);
S32 num_vertices = (S32)vf.mNumVertices;
S32 num_indices = (S32) vf.mNumIndices;
if (mVertexBuffer.notNull())
{
if (num_indices + (S32) mIndicesIndex > mVertexBuffer->getNumIndices())
{
llwarns << "Index buffer overflow!" << llendl;
llwarns << "Indices Count: " << mIndicesCount
<< " VF Num Indices: " << num_indices
<< " Indices Index: " << mIndicesIndex
<< " VB Num Indices: " << mVertexBuffer->getNumIndices() << llendl;
llwarns << "Last Indices Count: " << mLastIndicesCount
<< " Last Indices Index: " << mLastIndicesIndex
<< " Face Index: " << f
<< " Pool Type: " << mPoolType << llendl;
return FALSE;
}
if (num_vertices + mGeomIndex > mVertexBuffer->getNumVerts())
{
llwarns << "Vertex buffer overflow!" << llendl;
return FALSE;
}
}
LLStrider<LLVector3> vertices;
LLStrider<LLVector2> tex_coords;
LLStrider<LLVector2> tex_coords2;
LLStrider<LLVector3> normals;
LLStrider<LLColor4U> colors;
LLStrider<LLVector3> binormals;
LLStrider<U16> indicesp;
#if MESH_ENABLED
LLStrider<LLVector4> weights;
#endif //MESH_ENABLED
BOOL full_rebuild = force_rebuild || mDrawablep->isState(LLDrawable::REBUILD_VOLUME);
BOOL global_volume = mDrawablep->getVOVolume()->isVolumeGlobal();
LLVector3 scale;
if (global_volume)
{
scale.setVec(1,1,1);
}
else
{
scale = mVObjp->getScale();
}
bool rebuild_pos = full_rebuild || mDrawablep->isState(LLDrawable::REBUILD_POSITION);
bool rebuild_color = full_rebuild || mDrawablep->isState(LLDrawable::REBUILD_COLOR);
bool rebuild_tcoord = full_rebuild || mDrawablep->isState(LLDrawable::REBUILD_TCOORD);
bool rebuild_normal = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_NORMAL);
bool rebuild_binormal = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_BINORMAL);
#if MESH_ENABLED
bool rebuild_weights = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_WEIGHT4);
#endif //MESH_ENABLED
const LLTextureEntry *tep = mVObjp->getTE(f);
if (!tep) rebuild_color = FALSE; // can't get color when tep is NULL
U8 bump_code = tep ? tep->getBumpmap() : 0;
BOOL is_static = mDrawablep->isStatic();
BOOL is_global = is_static;
LLVector3 center_sum(0.f, 0.f, 0.f);
if (is_global)
{
setState(GLOBAL);
}
else
{
clearState(GLOBAL);
}
LLColor4U color = (tep ? LLColor4U(tep->getColor()) : LLColor4U::white);
if (rebuild_color) // FALSE if tep == NULL
{
if (tep)
{
GLfloat alpha[4] =
{
0.00f,
0.25f,
0.5f,
0.75f
};
if (getPoolType() != LLDrawPool::POOL_ALPHA && (LLPipeline::sRenderDeferred || (LLPipeline::sRenderBump && tep->getShiny())))
{
color.mV[3] = U8 (alpha[tep->getShiny()] * 255);
}
}
}
// INDICES
if (full_rebuild)
{
mVertexBuffer->getIndexStrider(indicesp, mIndicesIndex);
for (U32 i = 0; i < (U32) num_indices; i++)
{
indicesp[i] = vf.mIndices[i] + index_offset;
}
//mVertexBuffer->setBuffer(0);
}
LLMatrix4a mat_normal;
mat_normal.loadu(mat_norm_in);
//if it's not fullbright and has no normals, bake sunlight based on face normal
//bool bake_sunlight = !getTextureEntry()->getFullbright() &&
// !mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_NORMAL);
F32 r = 0, os = 0, ot = 0, ms = 0, mt = 0, cos_ang = 0, sin_ang = 0;
if (rebuild_tcoord)
{
bool do_xform;
if (tep)
{
r = tep->getRotation();
os = tep->mOffsetS;
ot = tep->mOffsetT;
ms = tep->mScaleS;
mt = tep->mScaleT;
cos_ang = cos(r);
sin_ang = sin(r);
if (cos_ang != 1.f ||
sin_ang != 0.f ||
os != 0.f ||
ot != 0.f ||
ms != 1.f ||
mt != 1.f)
{
do_xform = true;
}
else
{
do_xform = false;
}
}
else
{
do_xform = false;
}
//bump setup
LLVector4a binormal_dir( -sin_ang, cos_ang, 0.f );
LLVector4a bump_s_primary_light_ray(0.f, 0.f, 0.f);
LLVector4a bump_t_primary_light_ray(0.f, 0.f, 0.f);
LLQuaternion bump_quat;
if (mDrawablep->isActive())
{
bump_quat = LLQuaternion(mDrawablep->getRenderMatrix());
}
if (bump_code)
{
mVObjp->getVolume()->genBinormals(f);
F32 offset_multiple;
switch( bump_code )
{
case BE_NO_BUMP:
offset_multiple = 0.f;
break;
case BE_BRIGHTNESS:
case BE_DARKNESS:
if( mTexture.notNull() && mTexture->hasGLTexture())
{
// Offset by approximately one texel
S32 cur_discard = mTexture->getDiscardLevel();
S32 max_size = llmax( mTexture->getWidth(), mTexture->getHeight() );
max_size <<= cur_discard;
const F32 ARTIFICIAL_OFFSET = 2.f;
offset_multiple = ARTIFICIAL_OFFSET / (F32)max_size;
}
else
{
offset_multiple = 1.f/256;
}
break;
default: // Standard bumpmap textures. Assumed to be 256x256
offset_multiple = 1.f / 256;
break;
}
F32 s_scale = 1.f;
F32 t_scale = 1.f;
if( tep )
{
tep->getScale( &s_scale, &t_scale );
}
// Use the nudged south when coming from above sun angle, such
// that emboss mapping always shows up on the upward faces of cubes when
// it's noon (since a lot of builders build with the sun forced to noon).
LLVector3 sun_ray = gSky.mVOSkyp->mBumpSunDir;
LLVector3 moon_ray = gSky.getMoonDirection();
LLVector3& primary_light_ray = (sun_ray.mV[VZ] > 0) ? sun_ray : moon_ray;
bump_s_primary_light_ray.load3((offset_multiple * s_scale * primary_light_ray).mV);
bump_t_primary_light_ray.load3((offset_multiple * t_scale * primary_light_ray).mV);
}
U8 texgen = getTextureEntry()->getTexGen();
if (rebuild_tcoord && texgen != LLTextureEntry::TEX_GEN_DEFAULT)
{ //planar texgen needs binormals
mVObjp->getVolume()->genBinormals(f);
}
U8 tex_mode = 0;
if (isState(TEXTURE_ANIM))
{
LLVOVolume* vobj = (LLVOVolume*) (LLViewerObject*) mVObjp;
tex_mode = vobj->mTexAnimMode;
if (!tex_mode)
{
clearState(TEXTURE_ANIM);
}
else
{
os = ot = 0.f;
r = 0.f;
cos_ang = 1.f;
sin_ang = 0.f;
ms = mt = 1.f;
do_xform = false;
}
if (getVirtualSize() >= MIN_TEX_ANIM_SIZE)
{ //don't override texture transform during tc bake
tex_mode = 0;
}
}
LLVector4a scalea;
scalea.load3(scale.mV);
bool do_bump = bump_code && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_TEXCOORD1);
bool do_tex_mat = tex_mode && mTextureMatrix;
if (!do_bump)
{ //not in atlas or not bump mapped, might be able to do a cheap update
mVertexBuffer->getTexCoord0Strider(tex_coords, mGeomIndex);
if (texgen != LLTextureEntry::TEX_GEN_PLANAR)
{
if (!do_tex_mat)
{
if (!do_xform)
{
tex_coords.assignArray((U8*) vf.mTexCoords, sizeof(vf.mTexCoords[0]), num_vertices);
}
else
{
for (S32 i = 0; i < num_vertices; i++)
{
LLVector2 tc(vf.mTexCoords[i]);
xform(tc, cos_ang, sin_ang, os, ot, ms, mt);
*tex_coords++ = tc;
}
}
}
else
{ //do tex mat, no texgen, no atlas, no bump
for (S32 i = 0; i < num_vertices; i++)
{
LLVector2 tc(vf.mTexCoords[i]);
//LLVector4a& norm = vf.mNormals[i];
//LLVector4a& center = *(vf.mCenter);
LLVector3 tmp(tc.mV[0], tc.mV[1], 0.f);
tmp = tmp * *mTextureMatrix;
tc.mV[0] = tmp.mV[0];
tc.mV[1] = tmp.mV[1];
*tex_coords++ = tc;
}
}
}
else
{ //no bump, no atlas, tex gen planar
if (do_tex_mat)
{
for (S32 i = 0; i < num_vertices; i++)
{
LLVector2 tc(vf.mTexCoords[i]);
LLVector4a& norm = vf.mNormals[i];
LLVector4a& center = *(vf.mCenter);
LLVector4a vec = vf.mPositions[i];
vec.mul(scalea);
planarProjection(tc, norm, center, vec);
LLVector3 tmp(tc.mV[0], tc.mV[1], 0.f);
tmp = tmp * *mTextureMatrix;
tc.mV[0] = tmp.mV[0];
tc.mV[1] = tmp.mV[1];
*tex_coords++ = tc;
}
}
else
{
for (S32 i = 0; i < num_vertices; i++)
{
LLVector2 tc(vf.mTexCoords[i]);
LLVector4a& norm = vf.mNormals[i];
LLVector4a& center = *(vf.mCenter);
LLVector4a vec = vf.mPositions[i];
vec.mul(scalea);
planarProjection(tc, norm, center, vec);
xform(tc, cos_ang, sin_ang, os, ot, ms, mt);
*tex_coords++ = tc;
}
}
}
//mVertexBuffer->setBuffer(0);
}
else
{ //either bump mapped or in atlas, just do the whole expensive loop
mVertexBuffer->getTexCoord0Strider(tex_coords, mGeomIndex);
std::vector<LLVector2> bump_tc;
for (S32 i = 0; i < num_vertices; i++)
{
LLVector2 tc(vf.mTexCoords[i]);
LLVector4a& norm = vf.mNormals[i];
LLVector4a& center = *(vf.mCenter);
if (texgen != LLTextureEntry::TEX_GEN_DEFAULT)
{
LLVector4a vec = vf.mPositions[i];
vec.mul(scalea);
switch (texgen)
{
case LLTextureEntry::TEX_GEN_PLANAR:
planarProjection(tc, norm, center, vec);
break;
case LLTextureEntry::TEX_GEN_SPHERICAL:
sphericalProjection(tc, norm, center, vec);
break;
case LLTextureEntry::TEX_GEN_CYLINDRICAL:
cylindricalProjection(tc, norm, center, vec);
break;
default:
break;
}
}
if (tex_mode && mTextureMatrix)
{
LLVector3 tmp(tc.mV[0], tc.mV[1], 0.f);
tmp = tmp * *mTextureMatrix;
tc.mV[0] = tmp.mV[0];
tc.mV[1] = tmp.mV[1];
}
else
{
xform(tc, cos_ang, sin_ang, os, ot, ms, mt);
}
*tex_coords++ = tc;
if (do_bump)
{
bump_tc.push_back(tc);
}
}
//mVertexBuffer->setBuffer(0);
if (do_bump)
{
mVertexBuffer->getTexCoord1Strider(tex_coords2, mGeomIndex);
for (S32 i = 0; i < num_vertices; i++)
{
LLVector4a tangent;
tangent.setCross3(vf.mBinormals[i], vf.mNormals[i]);
LLMatrix4a tangent_to_object;
tangent_to_object.setRows(tangent, vf.mBinormals[i], vf.mNormals[i]);
LLVector4a t;
tangent_to_object.rotate(binormal_dir, t);
LLVector4a binormal;
mat_normal.rotate(t, binormal);
//VECTORIZE THIS
if (mDrawablep->isActive())
{
LLVector3 t;
t.set(binormal.getF32ptr());
t *= bump_quat;
binormal.load3(t.mV);
}
binormal.normalize3fast();
LLVector2 tc = bump_tc[i];
tc += LLVector2( bump_s_primary_light_ray.dot3(tangent).getF32(), bump_t_primary_light_ray.dot3(binormal).getF32() );
*tex_coords2++ = tc;
}
//mVertexBuffer->setBuffer(0);
}
}
}
if (rebuild_pos)
{
llassert(num_vertices > 0);
mVertexBuffer->getVertexStrider(vertices, mGeomIndex);
LLMatrix4a mat_vert;
mat_vert.loadu(mat_vert_in);
LLVector4a* src = vf.mPositions;
LLVector4a position;
for (S32 i = 0; i < num_vertices; i++)
{
mat_vert.affineTransform(src[i], position);
vertices[i].set(position.getF32ptr());
}
//mVertexBuffer->setBuffer(0);
}
if (rebuild_normal)
{
mVertexBuffer->getNormalStrider(normals, mGeomIndex);
for (S32 i = 0; i < num_vertices; i++)
{
LLVector4a normal;
mat_normal.rotate(vf.mNormals[i], normal);
normal.normalize3fast();
normals[i].set(normal.getF32ptr());
}
//mVertexBuffer->setBuffer(0);
}
if (rebuild_binormal)
{
mVertexBuffer->getBinormalStrider(binormals, mGeomIndex);
for (S32 i = 0; i < num_vertices; i++)
{
LLVector4a binormal;
mat_normal.rotate(vf.mBinormals[i], binormal);
binormal.normalize3fast();
binormals[i].set(binormal.getF32ptr());
}
//mVertexBuffer->setBuffer(0);
}
#if MESH_ENABLED
if (rebuild_weights && vf.mWeights)
{
mVertexBuffer->getWeight4Strider(weights, mGeomIndex);
weights.assignArray((U8*) vf.mWeights, sizeof(vf.mWeights[0]), num_vertices);
//mVertexBuffer->setBuffer(0);
}
#endif //MESH_ENABLED
if (rebuild_color)
{
mVertexBuffer->getColorStrider(colors, mGeomIndex);
for (S32 i = 0; i < num_vertices; i++)
{
colors[i] = color;
}
//mVertexBuffer->setBuffer(0);
}
if (rebuild_tcoord)
{
mTexExtents[0].setVec(0,0);
mTexExtents[1].setVec(1,1);
xform(mTexExtents[0], cos_ang, sin_ang, os, ot, ms, mt);
xform(mTexExtents[1], cos_ang, sin_ang, os, ot, ms, mt);
F32 es = vf.mTexCoordExtents[1].mV[0] - vf.mTexCoordExtents[0].mV[0] ;
F32 et = vf.mTexCoordExtents[1].mV[1] - vf.mTexCoordExtents[0].mV[1] ;
mTexExtents[0][0] *= es ;
mTexExtents[1][0] *= es ;
mTexExtents[0][1] *= et ;
mTexExtents[1][1] *= et ;
}
mLastVertexBuffer = mVertexBuffer;
mLastGeomCount = mGeomCount;
mLastGeomIndex = mGeomIndex;
mLastIndicesCount = mIndicesCount;
mLastIndicesIndex = mIndicesIndex;
return TRUE;
}
void LLVOClouds::getGeometry(S32 idx,
LLStrider<LLVector4a>& verticesp,
LLStrider<LLVector3>& normalsp,
LLStrider<LLVector2>& texcoordsp,
LLStrider<LLColor4U>& colorsp,
LLStrider<U16>& indicesp)
{
if (idx >= mCloudGroupp->getNumPuffs())
{
return;
}
LLDrawable* drawable = mDrawable;
LLFace *facep = drawable->getFace(idx);
if (!facep->hasGeometry())
{
return;
}
const LLCloudPuff &puff = mCloudGroupp->getPuff(idx);
LLColor4 float_color(LLColor3(gSky.getSunDiffuseColor() + gSky.getSunAmbientColor()),puff.getAlpha());
LLColor4U color;
color.setVec(float_color);
facep->setFaceColor(float_color);
U32 vert_offset = facep->getGeomIndex();
LLVector4a part_pos_agent;
part_pos_agent.load3(facep->mCenterLocal.mV);
LLVector4a at;
at.load3(LLViewerCamera::getInstance()->getAtAxis().mV);
LLVector4a up(0, 0, 1);
LLVector4a right;
right.setCross3(at, up);
right.normalize3fast();
up.setCross3(right, at);
up.normalize3fast();
right.mul(0.5f*CLOUD_PUFF_WIDTH);
up.mul(0.5f*CLOUD_PUFF_HEIGHT);
LLVector3 normal(0.f,0.f,-1.f);
//HACK -- the verticesp->mV[3] = 0.f here are to set the texture index to 0 (particles don't use texture batching, maybe they should)
// this works because there is actually a 4th float stored after the vertex position which is used as a texture index
// also, somebody please VECTORIZE THIS
LLVector4a ppapu;
LLVector4a ppamu;
ppapu.setAdd(part_pos_agent, up);
ppamu.setSub(part_pos_agent, up);
verticesp->setSub(ppapu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
verticesp->setSub(ppamu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
verticesp->setAdd(ppapu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
verticesp->setAdd(ppamu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
// *verticesp++ = puff_pos_agent - right + up;
// *verticesp++ = puff_pos_agent - right - up;
// *verticesp++ = puff_pos_agent + right + up;
// *verticesp++ = puff_pos_agent + right - up;
*colorsp++ = color;
*colorsp++ = color;
*colorsp++ = color;
*colorsp++ = color;
*texcoordsp++ = LLVector2(0.f, 1.f);
*texcoordsp++ = LLVector2(0.f, 0.f);
*texcoordsp++ = LLVector2(1.f, 1.f);
*texcoordsp++ = LLVector2(1.f, 0.f);
*normalsp++ = normal;
*normalsp++ = normal;
*normalsp++ = normal;
*normalsp++ = normal;
*indicesp++ = vert_offset + 0;
*indicesp++ = vert_offset + 1;
*indicesp++ = vert_offset + 2;
*indicesp++ = vert_offset + 1;
*indicesp++ = vert_offset + 3;
*indicesp++ = vert_offset + 2;
}
void LLVOPartGroup::getGeometry(const LLViewerPart& part,
LLStrider<LLVector4a>& verticesp)
{
if (part.mFlags & LLPartData::LL_PART_RIBBON_MASK)
{
LLVector4a axis, pos, paxis, ppos;
F32 scale, pscale;
pos.load3(part.mPosAgent.mV);
axis.load3(part.mAxis.mV);
scale = part.mScale.mV[0];
if (part.mParent)
{
ppos.load3(part.mParent->mPosAgent.mV);
paxis.load3(part.mParent->mAxis.mV);
pscale = part.mParent->mScale.mV[0];
}
else
{ //use source object as position
if (part.mPartSourcep->mSourceObjectp.notNull())
{
LLVector3 v = LLVector3(0,0,1);
v *= part.mPartSourcep->mSourceObjectp->getRenderRotation();
paxis.load3(v.mV);
ppos.load3(part.mPartSourcep->mPosAgent.mV);
pscale = part.mStartScale.mV[0];
}
else
{ //no source object, no parent, nothing to draw
ppos = pos;
pscale = scale;
paxis = axis;
}
}
LLVector4a p0, p1, p2, p3;
scale *= 0.5f;
pscale *= 0.5f;
axis.mul(scale);
paxis.mul(pscale);
p0.setAdd(pos, axis);
p1.setSub(pos,axis);
p2.setAdd(ppos, paxis);
p3.setSub(ppos, paxis);
(*verticesp++) = p2;
(*verticesp++) = p3;
(*verticesp++) = p0;
(*verticesp++) = p1;
}
else
{
LLVector4a part_pos_agent;
part_pos_agent.load3(part.mPosAgent.mV);
LLVector4a camera_agent;
camera_agent.load3(getCameraPosition().mV);
LLVector4a at;
at.setSub(part_pos_agent, camera_agent);
LLVector4a up(0, 0, 1);
LLVector4a right;
right.setCross3(at, up);
right.normalize3fast();
up.setCross3(right, at);
up.normalize3fast();
if (part.mFlags & LLPartData::LL_PART_FOLLOW_VELOCITY_MASK)
{
LLVector4a normvel;
normvel.load3(part.mVelocity.mV);
normvel.normalize3fast();
LLVector2 up_fracs;
up_fracs.mV[0] = normvel.dot3(right).getF32();
up_fracs.mV[1] = normvel.dot3(up).getF32();
up_fracs.normalize();
LLVector4a new_up;
LLVector4a new_right;
//new_up = up_fracs.mV[0] * right + up_fracs.mV[1]*up;
LLVector4a t = right;
t.mul(up_fracs.mV[0]);
new_up = up;
new_up.mul(up_fracs.mV[1]);
new_up.add(t);
//new_right = up_fracs.mV[1] * right - up_fracs.mV[0]*up;
t = right;
t.mul(up_fracs.mV[1]);
new_right = up;
new_right.mul(up_fracs.mV[0]);
t.sub(new_right);
up = new_up;
right = t;
up.normalize3fast();
right.normalize3fast();
}
right.mul(0.5f*part.mScale.mV[0]);
up.mul(0.5f*part.mScale.mV[1]);
//HACK -- the verticesp->mV[3] = 0.f here are to set the texture index to 0 (particles don't use texture batching, maybe they should)
// this works because there is actually a 4th float stored after the vertex position which is used as a texture index
// also, somebody please VECTORIZE THIS
LLVector4a ppapu;
LLVector4a ppamu;
ppapu.setAdd(part_pos_agent, up);
ppamu.setSub(part_pos_agent, up);
verticesp->setSub(ppapu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
verticesp->setSub(ppamu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
verticesp->setAdd(ppapu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
verticesp->setAdd(ppamu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
}
}
void LLSurfacePatch::updateVisibility()
{
if (mVObjp.isNull())
{
return;
}
const F32 DEFAULT_DELTA_ANGLE = (0.15f);
U32 old_render_stride, max_render_stride;
U32 new_render_level;
F32 stride_per_distance = DEFAULT_DELTA_ANGLE / mSurfacep->getMetersPerGrid();
U32 grids_per_patch_edge = mSurfacep->getGridsPerPatchEdge();
LLVector4a center;
center.load3( (mCenterRegion + mSurfacep->getOriginAgent()).mV);
LLVector4a radius;
radius.splat(mRadius);
// sphere in frustum on global coordinates
if (LLViewerCamera::getInstance()->AABBInFrustumNoFarClip(center, radius))
{
// We now need to calculate the render stride based on patchp's distance
// from LLCamera render_stride is governed by a relation something like this...
//
// delta_angle * patch.distance
// render_stride <= ----------------------------------------
// mMetersPerGrid
//
// where 'delta_angle' is the desired solid angle of the average polgon on a patch.
//
// Any render_stride smaller than the RHS would be 'satisfactory'. Smaller
// strides give more resolution, but efficiency suggests that we use the largest
// of the render_strides that obey the relation. Flexibility is achieved by
// modulating 'delta_angle' until we have an acceptable number of triangles.
old_render_stride = mVisInfo.mRenderStride;
// Calculate the render_stride using information in agent
max_render_stride = lltrunc(mVisInfo.mDistance * stride_per_distance);
max_render_stride = llmin(max_render_stride , 2*grids_per_patch_edge);
// We only use render_strides that are powers of two, so we use look-up tables to figure out
// the render_level and corresponding render_stride
new_render_level = mVisInfo.mRenderLevel = mSurfacep->getRenderLevel(max_render_stride);
mVisInfo.mRenderStride = mSurfacep->getRenderStride(new_render_level);
if ((mVisInfo.mRenderStride != old_render_stride))
// The reason we check !mbIsVisible is because non-visible patches normals
// are not updated when their data is changed. When this changes we can get
// rid of mbIsVisible altogether.
{
if (mVObjp)
{
mVObjp->dirtyGeom();
if (getNeighborPatch(WEST))
{
getNeighborPatch(WEST)->mVObjp->dirtyGeom();
}
if (getNeighborPatch(SOUTH))
{
getNeighborPatch(SOUTH)->mVObjp->dirtyGeom();
}
}
}
mVisInfo.mbIsVisible = TRUE;
}
else
{
mVisInfo.mbIsVisible = FALSE;
}
}
// convert surface coordinates to texture coordinates, based on
// the values in the texture entry. probably should be
// integrated with getGeometryVolume() for its texture coordinate
// generation - but i'll leave that to someone more familiar
// with the implications.
LLVector2 LLFace::surfaceToTexture(LLVector2 surface_coord, LLVector3 position, LLVector3 normal)
{
LLVector2 tc = surface_coord;
const LLTextureEntry *tep = getTextureEntry();
if (tep == NULL)
{
// can't do much without the texture entry
return surface_coord;
}
//VECTORIZE THIS
// see if we have a non-default mapping
U8 texgen = getTextureEntry()->getTexGen();
if (texgen != LLTextureEntry::TEX_GEN_DEFAULT)
{
LLVector4a& center = *(mDrawablep->getVOVolume()->getVolume()->getVolumeFace(mTEOffset).mCenter);
LLVector4a volume_position;
volume_position.load3(mDrawablep->getVOVolume()->agentPositionToVolume(position).mV);
if (!mDrawablep->getVOVolume()->isVolumeGlobal())
{
LLVector4a scale;
scale.load3(mVObjp->getScale().mV);
volume_position.mul(scale);
}
LLVector4a volume_normal;
volume_normal.load3(mDrawablep->getVOVolume()->agentDirectionToVolume(normal).mV);
volume_normal.normalize3fast();
switch (texgen)
{
case LLTextureEntry::TEX_GEN_PLANAR:
planarProjection(tc, volume_normal, center, volume_position);
break;
case LLTextureEntry::TEX_GEN_SPHERICAL:
sphericalProjection(tc, volume_normal, center, volume_position);
break;
case LLTextureEntry::TEX_GEN_CYLINDRICAL:
cylindricalProjection(tc, volume_normal, center, volume_position);
break;
default:
break;
}
}
if (mTextureMatrix) // if we have a texture matrix, use it
{
LLVector3 tc3(tc);
tc3 = tc3 * *mTextureMatrix;
tc = LLVector2(tc3);
}
else // otherwise use the texture entry parameters
{
xform(tc, cos(tep->getRotation()), sin(tep->getRotation()),
tep->mOffsetS, tep->mOffsetT, tep->mScaleS, tep->mScaleT);
}
return tc;
}
void LLVOPartGroup::getGeometry(S32 idx,
LLStrider<LLVector4a>& verticesp,
LLStrider<LLVector3>& normalsp,
LLStrider<LLVector2>& texcoordsp,
LLStrider<LLColor4U>& colorsp,
LLStrider<U16>& indicesp)
{
if (idx >= (S32) mViewerPartGroupp->mParticles.size())
{
return;
}
const LLViewerPart &part = *((LLViewerPart*) (mViewerPartGroupp->mParticles[idx]));
U32 vert_offset = mDrawable->getFace(idx)->getGeomIndex();
LLVector4a part_pos_agent;
part_pos_agent.load3(part.mPosAgent.mV);
LLVector4a camera_agent;
camera_agent.load3(getCameraPosition().mV);
LLVector4a at;
at.setSub(part_pos_agent, camera_agent);
LLVector4a up(0, 0, 1);
LLVector4a right;
right.setCross3(at, up);
right.normalize3fast();
up.setCross3(right, at);
up.normalize3fast();
if (part.mFlags & LLPartData::LL_PART_FOLLOW_VELOCITY_MASK)
{
LLVector4a normvel;
normvel.load3(part.mVelocity.mV);
normvel.normalize3fast();
LLVector2 up_fracs;
up_fracs.mV[0] = normvel.dot3(right).getF32();
up_fracs.mV[1] = normvel.dot3(up).getF32();
up_fracs.normalize();
LLVector4a new_up;
LLVector4a new_right;
//new_up = up_fracs.mV[0] * right + up_fracs.mV[1]*up;
LLVector4a t = right;
t.mul(up_fracs.mV[0]);
new_up = up;
new_up.mul(up_fracs.mV[1]);
new_up.add(t);
//new_right = up_fracs.mV[1] * right - up_fracs.mV[0]*up;
t = right;
t.mul(up_fracs.mV[1]);
new_right = up;
new_right.mul(up_fracs.mV[0]);
t.sub(new_right);
up = new_up;
right = t;
up.normalize3fast();
right.normalize3fast();
}
right.mul(0.5f*part.mScale.mV[0]);
up.mul(0.5f*part.mScale.mV[1]);
LLVector3 normal = -LLViewerCamera::getInstance()->getXAxis();
//HACK -- the verticesp->mV[3] = 0.f here are to set the texture index to 0 (particles don't use texture batching, maybe they should)
// this works because there is actually a 4th float stored after the vertex position which is used as a texture index
// also, somebody please VECTORIZE THIS
LLVector4a ppapu;
LLVector4a ppamu;
ppapu.setAdd(part_pos_agent, up);
ppamu.setSub(part_pos_agent, up);
verticesp->setSub(ppapu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
verticesp->setSub(ppamu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
verticesp->setAdd(ppapu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
verticesp->setAdd(ppamu, right);
(*verticesp++).getF32ptr()[3] = 0.f;
//*verticesp++ = part_pos_agent + up - right;
//*verticesp++ = part_pos_agent - up - right;
//*verticesp++ = part_pos_agent + up + right;
//*verticesp++ = part_pos_agent - up + right;
*colorsp++ = part.mColor;
*colorsp++ = part.mColor;
*colorsp++ = part.mColor;
*colorsp++ = part.mColor;
*texcoordsp++ = LLVector2(0.f, 1.f);
*texcoordsp++ = LLVector2(0.f, 0.f);
*texcoordsp++ = LLVector2(1.f, 1.f);
*texcoordsp++ = LLVector2(1.f, 0.f);
*normalsp++ = normal;
*normalsp++ = normal;
*normalsp++ = normal;
*normalsp++ = normal;
*indicesp++ = vert_offset + 0;
*indicesp++ = vert_offset + 1;
*indicesp++ = vert_offset + 2;
*indicesp++ = vert_offset + 1;
*indicesp++ = vert_offset + 3;
*indicesp++ = vert_offset + 2;
}
BOOL LLFace::genVolumeBBoxes(const LLVolume &volume, S32 f,
const LLMatrix4& mat_vert_in, const LLMatrix3& mat_normal_in, BOOL global_volume)
{
LLMemType mt1(LLMemType::MTYPE_DRAWABLE);
//get bounding box
if (mDrawablep->isState(LLDrawable::REBUILD_VOLUME | LLDrawable::REBUILD_POSITION
#if MESH_ENABLED
| LLDrawable::REBUILD_RIGGED
#endif //MESH_ENABLED
))
{
//VECTORIZE THIS
LLMatrix4a mat_vert;
mat_vert.loadu(mat_vert_in);
LLMatrix4a mat_normal;
mat_normal.loadu(mat_normal_in);
//if (mDrawablep->isState(LLDrawable::REBUILD_VOLUME))
//{ //vertex buffer no longer valid
// mVertexBuffer = NULL;
// mLastVertexBuffer = NULL;
//}
//VECTORIZE THIS
LLVector4a min,max;
if (f >= volume.getNumVolumeFaces())
{
llwarns << "Generating bounding box for invalid face index!" << llendl;
f = 0;
}
const LLVolumeFace &face = volume.getVolumeFace(f);
min = face.mExtents[0];
max = face.mExtents[1];
llassert(less_than_max_mag(min));
llassert(less_than_max_mag(max));
//min, max are in volume space, convert to drawable render space
LLVector4a center;
LLVector4a t;
t.setAdd(min, max);
t.mul(0.5f);
mat_vert.affineTransform(t, center);
LLVector4a size;
size.setSub(max, min);
size.mul(0.5f);
llassert(less_than_max_mag(min));
llassert(less_than_max_mag(max));
if (!global_volume)
{
//VECTORIZE THIS
LLVector4a scale;
scale.load3(mDrawablep->getVObj()->getScale().mV);
size.mul(scale);
}
mat_normal.mMatrix[0].normalize3fast();
mat_normal.mMatrix[1].normalize3fast();
mat_normal.mMatrix[2].normalize3fast();
LLVector4a v[4];
//get 4 corners of bounding box
mat_normal.rotate(size,v[0]);
//VECTORIZE THIS
LLVector4a scale;
scale.set(-1.f, -1.f, 1.f);
scale.mul(size);
mat_normal.rotate(scale, v[1]);
scale.set(1.f, -1.f, -1.f);
scale.mul(size);
mat_normal.rotate(scale, v[2]);
scale.set(-1.f, 1.f, -1.f);
scale.mul(size);
mat_normal.rotate(scale, v[3]);
LLVector4a& newMin = mExtents[0];
LLVector4a& newMax = mExtents[1];
newMin = newMax = center;
llassert(less_than_max_mag(center));
for (U32 i = 0; i < 4; i++)
{
LLVector4a delta;
delta.setAbs(v[i]);
LLVector4a min;
min.setSub(center, delta);
LLVector4a max;
max.setAdd(center, delta);
newMin.setMin(newMin,min);
newMax.setMax(newMax,max);
llassert(less_than_max_mag(newMin));
llassert(less_than_max_mag(newMax));
}
if (!mDrawablep->isActive())
{
LLVector4a offset;
offset.load3(mDrawablep->getRegion()->getOriginAgent().mV);
newMin.add(offset);
newMax.add(offset);
llassert(less_than_max_mag(newMin));
llassert(less_than_max_mag(newMax));
}
t.setAdd(newMin, newMax);
t.mul(0.5f);
llassert(less_than_max_mag(t));
//VECTORIZE THIS
mCenterLocal.set(t.getF32ptr());
llassert(less_than_max_mag(newMin));
llassert(less_than_max_mag(newMax));
t.setSub(newMax,newMin);
mBoundingSphereRadius = t.getLength3().getF32()*0.5f;
updateCenterAgent();
}
return TRUE;
}