LLPolyMorphData *clone_morph_param_cleavage(const LLPolyMorphData *src_data,
F32 scale,
const std::string &name)
{
LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*src_data);
cloned_morph_data->mName = name;
LLVector4a sc;
sc.splat(scale);
LLVector4a nsc;
nsc.set(scale, -scale, scale, scale);
for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
{
if (cloned_morph_data->mCoords[v][1] < 0)
{
cloned_morph_data->mCoords[v].setMul(src_data->mCoords[v],nsc);
cloned_morph_data->mNormals[v].setMul(src_data->mNormals[v],nsc);
cloned_morph_data->mBinormals[v].setMul(src_data->mBinormals[v],nsc);
}
else
{
cloned_morph_data->mCoords[v].setMul(src_data->mCoords[v],sc);
cloned_morph_data->mNormals[v].setMul(src_data->mNormals[v], sc);
cloned_morph_data->mBinormals[v].setMul(src_data->mBinormals[v],sc);
}
}
return cloned_morph_data;
}
LLViewerOctreeGroup::LLViewerOctreeGroup(OctreeNode* node) :
mOctreeNode(node),
mState(CLEAN)
{
LLVector4a tmp;
tmp.splat(0.f);
mExtents[0] = mExtents[1] = mObjectBounds[0] = mObjectBounds[0] = mObjectBounds[1] =
mObjectExtents[0] = mObjectExtents[1] = tmp;
mBounds[0] = node->getCenter();
mBounds[1] = node->getSize();
mOctreeNode->addListener(this);
}
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);
}
void LLSpatialBridge::updateSpatialExtents()
{
LLSpatialGroup* root = (LLSpatialGroup*) mOctree->getListener(0);
{
LLFastTimer ftm(FTM_CULL_REBOUND);
root->rebound();
}
LLVector4a offset;
LLVector4a size = root->mBounds[1];
//VECTORIZE THIS
LLMatrix4a mat;
mat.loadu(mDrawable->getXform()->getWorldMatrix());
LLVector4a t;
t.splat(0.f);
LLVector4a center;
mat.affineTransform(t, center);
mat.rotate(root->mBounds[0], offset);
center.add(offset);
LLVector4a v[4];
//get 4 corners of bounding box
mat.rotate(size,v[0]);
LLVector4a scale;
scale.set(-1.f, -1.f, 1.f);
scale.mul(size);
mat.rotate(scale, v[1]);
scale.set(1.f, -1.f, -1.f);
scale.mul(size);
mat.rotate(scale, v[2]);
scale.set(-1.f, 1.f, -1.f);
scale.mul(size);
mat.rotate(scale, v[3]);
LLVector4a& newMin = mExtents[0];
LLVector4a& newMax = mExtents[1];
newMin = newMax = 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);
}
LLVector4a diagonal;
diagonal.setSub(newMax, newMin);
mRadius = diagonal.getLength3().getF32() * 0.5f;
mPositionGroup.setAdd(newMin,newMax);
mPositionGroup.mul(0.5f);
updateBinRadius();
}
void LLPanelPrimMediaControls::updateShape()
{
LLViewerMediaImpl* media_impl = getTargetMediaImpl();
LLViewerObject* objectp = getTargetObject();
if(!media_impl || gFloaterTools->getVisible())
{
setVisible(FALSE);
return;
}
LLPluginClassMedia* media_plugin = NULL;
if(media_impl->hasMedia())
{
media_plugin = media_impl->getMediaPlugin();
}
LLParcel *parcel = LLViewerParcelMgr::getInstance()->getAgentParcel();
bool can_navigate = parcel->getMediaAllowNavigate();
bool enabled = false;
bool is_zoomed = (mCurrentZoom != ZOOM_NONE) && (mTargetObjectID == mZoomObjectID) && (mTargetObjectFace == mZoomObjectFace);
// There is no such thing as "has_focus" being different from normal controls set
// anymore (as of user feedback from bri 10/09). So we cheat here and force 'has_focus'
// to 'true' (or, actually, we use a setting)
bool has_focus = (gSavedSettings.getBOOL("PrimMediaControlsUseHoverControlSet")) ? media_impl->hasFocus() : true;
setVisible(enabled);
if (objectp)
{
bool mini_controls = false;
LLMediaEntry *media_data = objectp->getTE(mTargetObjectFace)->getMediaData();
if (media_data && NULL != dynamic_cast<LLVOVolume*>(objectp))
{
// Don't show the media controls if we do not have permissions
enabled = dynamic_cast<LLVOVolume*>(objectp)->hasMediaPermission(media_data, LLVOVolume::MEDIA_PERM_CONTROL);
mini_controls = (LLMediaEntry::MINI == media_data->getControls());
}
const bool is_hud = objectp->isHUDAttachment();
//
// Set the state of the buttons
//
// XXX RSP: TODO: FIXME: clean this up so that it is clearer what mode we are in,
// and that only the proper controls get made visible/enabled according to that mode.
mBackCtrl->setVisible(has_focus);
mFwdCtrl->setVisible(has_focus);
mReloadCtrl->setVisible(has_focus);
mStopCtrl->setVisible(false);
mHomeCtrl->setVisible(has_focus);
mZoomCtrl->setVisible(!is_zoomed);
mUnzoomCtrl->setVisible(is_zoomed);
mOpenCtrl->setVisible(true);
mMediaAddressCtrl->setVisible(has_focus && !mini_controls);
mMediaPlaySliderPanel->setVisible(has_focus && !mini_controls);
mVolumeCtrl->setVisible(false);
mWhitelistIcon->setVisible(!mini_controls && (media_data)?media_data->getWhiteListEnable():false);
// Disable zoom if HUD
mZoomCtrl->setEnabled(!is_hud);
mUnzoomCtrl->setEnabled(!is_hud);
mSecureLockIcon->setVisible(false);
mCurrentURL = media_impl->getCurrentMediaURL();
mBackCtrl->setEnabled((media_impl != NULL) && media_impl->canNavigateBack() && can_navigate);
mFwdCtrl->setEnabled((media_impl != NULL) && media_impl->canNavigateForward() && can_navigate);
mStopCtrl->setEnabled(has_focus && can_navigate);
mHomeCtrl->setEnabled(has_focus && can_navigate);
LLPluginClassMediaOwner::EMediaStatus result = ((media_impl != NULL) && media_impl->hasMedia()) ? media_plugin->getStatus() : LLPluginClassMediaOwner::MEDIA_NONE;
mVolumeCtrl->setVisible(has_focus);
mVolumeCtrl->setEnabled(has_focus);
mVolumeSliderCtrl->setEnabled(has_focus && shouldVolumeSliderBeVisible());
mVolumeSliderCtrl->setVisible(has_focus && shouldVolumeSliderBeVisible());
if(media_plugin && media_plugin->pluginSupportsMediaTime())
{
mReloadCtrl->setEnabled(false);
mReloadCtrl->setVisible(false);
mMediaStopCtrl->setVisible(has_focus);
mHomeCtrl->setVisible(has_focus);
mBackCtrl->setVisible(false);
mFwdCtrl->setVisible(false);
mMediaAddressCtrl->setVisible(false);
mMediaAddressCtrl->setEnabled(false);
mMediaPlaySliderPanel->setVisible(has_focus && !mini_controls);
mMediaPlaySliderPanel->setEnabled(has_focus && !mini_controls);
mSkipFwdCtrl->setVisible(has_focus && !mini_controls);
mSkipFwdCtrl->setEnabled(has_focus && !mini_controls);
mSkipBackCtrl->setVisible(has_focus && !mini_controls);
mSkipBackCtrl->setEnabled(has_focus && !mini_controls);
mVolumeCtrl->setVisible(has_focus);
mVolumeCtrl->setEnabled(has_focus);
mVolumeSliderCtrl->setEnabled(has_focus && shouldVolumeSliderBeVisible());
mVolumeSliderCtrl->setVisible(has_focus && shouldVolumeSliderBeVisible());
mWhitelistIcon->setVisible(false);
mSecureLockIcon->setVisible(false);
if (mMediaPanelScroll)
{
mMediaPanelScroll->setVisible(false);
mScrollUpCtrl->setVisible(false);
mScrollDownCtrl->setVisible(false);
mScrollRightCtrl->setVisible(false);
mScrollDownCtrl->setVisible(false);
}
F32 volume = media_impl->getVolume();
// movie's url changed
if(mCurrentURL!=mPreviousURL)
{
mMovieDuration = media_plugin->getDuration();
mPreviousURL = mCurrentURL;
}
if(mMovieDuration == 0)
{
mMovieDuration = media_plugin->getDuration();
mMediaPlaySliderCtrl->setValue(0);
mMediaPlaySliderCtrl->setEnabled(false);
}
// TODO: What if it's not fully loaded
if(mUpdateSlider && mMovieDuration!= 0)
{
F64 current_time = media_plugin->getCurrentTime();
F32 percent = current_time / mMovieDuration;
mMediaPlaySliderCtrl->setValue(percent);
mMediaPlaySliderCtrl->setEnabled(true);
}
// video vloume
if(volume <= 0.0)
{
mMuteBtn->setToggleState(true);
}
else if (volume >= 1.0)
{
mMuteBtn->setToggleState(false);
}
else
{
mMuteBtn->setToggleState(false);
}
switch(result)
{
case LLPluginClassMediaOwner::MEDIA_PLAYING:
mPlayCtrl->setEnabled(FALSE);
mPlayCtrl->setVisible(FALSE);
mPauseCtrl->setEnabled(TRUE);
mPauseCtrl->setVisible(has_focus);
break;
case LLPluginClassMediaOwner::MEDIA_PAUSED:
default:
mPauseCtrl->setEnabled(FALSE);
mPauseCtrl->setVisible(FALSE);
mPlayCtrl->setEnabled(TRUE);
mPlayCtrl->setVisible(has_focus);
break;
}
}
else // web based
{
if(media_plugin)
{
mCurrentURL = media_plugin->getLocation();
}
else
{
mCurrentURL.clear();
}
mPlayCtrl->setVisible(FALSE);
mPauseCtrl->setVisible(FALSE);
mMediaStopCtrl->setVisible(FALSE);
mMediaAddressCtrl->setVisible(has_focus && !mini_controls);
mMediaAddressCtrl->setEnabled(has_focus && !mini_controls);
mMediaPlaySliderPanel->setVisible(FALSE);
mMediaPlaySliderPanel->setEnabled(FALSE);
mSkipFwdCtrl->setVisible(FALSE);
mSkipFwdCtrl->setEnabled(FALSE);
mSkipBackCtrl->setVisible(FALSE);
mSkipBackCtrl->setEnabled(FALSE);
if(media_impl->getVolume() <= 0.0)
{
mMuteBtn->setToggleState(true);
}
else
{
mMuteBtn->setToggleState(false);
}
if (mMediaPanelScroll)
{
mMediaPanelScroll->setVisible(has_focus);
mScrollUpCtrl->setVisible(has_focus);
mScrollDownCtrl->setVisible(has_focus);
mScrollRightCtrl->setVisible(has_focus);
mScrollDownCtrl->setVisible(has_focus);
}
// TODO: get the secure lock bool from media plug in
std::string prefix = std::string("https://");
std::string test_prefix = mCurrentURL.substr(0, prefix.length());
LLStringUtil::toLower(test_prefix);
if(test_prefix == prefix)
{
mSecureLockIcon->setVisible(has_focus);
}
if(mCurrentURL!=mPreviousURL)
{
setCurrentURL();
mPreviousURL = mCurrentURL;
}
if(result == LLPluginClassMediaOwner::MEDIA_LOADING)
{
mReloadCtrl->setEnabled(FALSE);
mReloadCtrl->setVisible(FALSE);
mStopCtrl->setEnabled(TRUE);
mStopCtrl->setVisible(has_focus);
}
else
{
mReloadCtrl->setEnabled(TRUE);
mReloadCtrl->setVisible(has_focus);
mStopCtrl->setEnabled(FALSE);
mStopCtrl->setVisible(FALSE);
}
}
if(media_plugin)
{
//
// Handle progress bar
//
if(LLPluginClassMediaOwner::MEDIA_LOADING == media_plugin->getStatus())
{
mMediaProgressPanel->setVisible(true);
mMediaProgressBar->setValue(media_plugin->getProgressPercent());
}
else
{
mMediaProgressPanel->setVisible(false);
}
}
if(media_impl)
{
//
// Handle Scrolling
//
switch (mScrollState)
{
case SCROLL_UP:
media_impl->scrollWheel(0, -1, MASK_NONE);
break;
case SCROLL_DOWN:
media_impl->scrollWheel(0, 1, MASK_NONE);
break;
case SCROLL_LEFT:
media_impl->scrollWheel(1, 0, MASK_NONE);
// media_impl->handleKeyHere(KEY_LEFT, MASK_NONE);
break;
case SCROLL_RIGHT:
media_impl->scrollWheel(-1, 0, MASK_NONE);
// media_impl->handleKeyHere(KEY_RIGHT, MASK_NONE);
break;
case SCROLL_NONE:
default:
break;
}
}
setVisible(enabled);
//
// Calculate position and shape of the controls
//
std::vector<LLVector3>::iterator vert_it;
std::vector<LLVector3>::iterator vert_end;
std::vector<LLVector3> vect_face;
LLVolume* volume = objectp->getVolume();
if (volume)
{
const LLVolumeFace& vf = volume->getVolumeFace(mTargetObjectFace);
LLVector3 ext[2];
ext[0].set(vf.mExtents[0].getF32ptr());
ext[1].set(vf.mExtents[1].getF32ptr());
LLVector3 center = (ext[0]+ext[1])*0.5f;
LLVector3 size = (ext[1]-ext[0])*0.5f;
LLVector3 vert[] =
{
center + size.scaledVec(LLVector3(1,1,1)),
center + size.scaledVec(LLVector3(-1,1,1)),
center + size.scaledVec(LLVector3(1,-1,1)),
center + size.scaledVec(LLVector3(-1,-1,1)),
center + size.scaledVec(LLVector3(1,1,-1)),
center + size.scaledVec(LLVector3(-1,1,-1)),
center + size.scaledVec(LLVector3(1,-1,-1)),
center + size.scaledVec(LLVector3(-1,-1,-1)),
};
LLVOVolume* vo = (LLVOVolume*) objectp;
for (U32 i = 0; i < 8; i++)
{
vect_face.push_back(vo->volumePositionToAgent(vert[i]));
}
}
vert_it = vect_face.begin();
vert_end = vect_face.end();
LLMatrix4a mat;
if (!is_hud)
{
mat.setMul(glh_get_current_projection(),glh_get_current_modelview());
}
else {
LLMatrix4a proj, modelview;
if (get_hud_matrices(proj, modelview))
{
//mat = proj * modelview;
mat.setMul(proj,modelview);
}
}
LLVector4a min;
min.splat(1.f);
LLVector4a max;
max.splat(-1.f);
for(; vert_it != vert_end; ++vert_it)
{
// project silhouette vertices into screen space
LLVector4a screen_vert;
screen_vert.load3(vert_it->mV,1.f);
mat.perspectiveTransform(screen_vert,screen_vert);
// add to screenspace bounding box
min.setMin(screen_vert,min);
max.setMax(screen_vert,max);
}
// convert screenspace bbox to pixels (in screen coords)
LLRect window_rect = gViewerWindow->getWorldViewRectScaled();
LLCoordGL screen_min;
screen_min.mX = ll_round((F32)window_rect.mLeft + (F32)window_rect.getWidth() * (min.getF32ptr()[VX] + 1.f) * 0.5f);
screen_min.mY = ll_round((F32)window_rect.mBottom + (F32)window_rect.getHeight() * (min.getF32ptr()[VY] + 1.f) * 0.5f);
LLCoordGL screen_max;
screen_max.mX = ll_round((F32)window_rect.mLeft + (F32)window_rect.getWidth() * (max.getF32ptr()[VX] + 1.f) * 0.5f);
screen_max.mY = ll_round((F32)window_rect.mBottom + (F32)window_rect.getHeight() * (max.getF32ptr()[VY] + 1.f) * 0.5f);
// grow panel so that screenspace bounding box fits inside "media_region" element of panel
LLRect media_panel_rect;
// Get the height of the controls (less the volume slider)
S32 controls_height = mMediaControlsStack->getRect().getHeight() - mVolumeSliderCtrl->getRect().getHeight();
getParent()->screenRectToLocal(LLRect(screen_min.mX, screen_max.mY, screen_max.mX, screen_min.mY), &media_panel_rect);
media_panel_rect.mTop += controls_height;
// keep all parts of panel on-screen
// Area of the top of the world view to avoid putting the controls
window_rect.mTop -= mTopWorldViewAvoidZone;
// Don't include "spacing" bookends on left & right of the media controls
window_rect.mLeft -= mLeftBookend->getRect().getWidth();
window_rect.mRight += mRightBookend->getRect().getWidth();
// Don't include the volume slider
window_rect.mBottom -= mVolumeSliderCtrl->getRect().getHeight();
media_panel_rect.intersectWith(window_rect);
// clamp to minimum size, keeping rect inside window
S32 centerX = media_panel_rect.getCenterX();
S32 centerY = media_panel_rect.getCenterY();
// Shrink screen rect by min width and height, to ensure containment
window_rect.stretch(-mMinWidth/2, -mMinHeight/2);
window_rect.clampPointToRect(centerX, centerY);
media_panel_rect.setCenterAndSize(centerX, centerY,
llmax(mMinWidth, media_panel_rect.getWidth()),
llmax(mMinHeight, media_panel_rect.getHeight()));
// Finally set the size of the panel
setShape(media_panel_rect, true);
// Test mouse position to see if the cursor is stationary
LLCoordWindow cursor_pos_window;
getWindow()->getCursorPosition(&cursor_pos_window);
// If last pos is not equal to current pos, the mouse has moved
// We need to reset the timer, and make sure the panel is visible
if(cursor_pos_window.mX != mLastCursorPos.mX ||
cursor_pos_window.mY != mLastCursorPos.mY ||
mScrollState != SCROLL_NONE)
{
mInactivityTimer.start();
mLastCursorPos = cursor_pos_window;
}
if(isMouseOver() || hasFocus())
{
// Never fade the controls if the mouse is over them or they have keyboard focus.
mFadeTimer.stop();
}
else if(!mClearFaceOnFade && (mInactivityTimer.getElapsedTimeF32() < mInactiveTimeout))
{
// Mouse is over the object, but has not been stationary for long enough to fade the UI
mFadeTimer.stop();
}
else if(! mFadeTimer.getStarted() )
{
// we need to start fading the UI (and we have not already started)
mFadeTimer.reset();
mFadeTimer.start();
}
else
{
// I don't think this is correct anymore. This is done in draw() after the fade has completed.
// setVisible(FALSE);
}
}
}
// Shrink the model to fit
// on a 1x1x1 cube centered at the origin.
// The positions and extents
// multiplied by mNormalizedScale
// and offset by mNormalizedTranslation
// to be the "original" extents and position.
// Also, the positions will fit
// within the unit cube.
void LLModel::normalizeVolumeFaces()
{
// ensure we don't have too many faces
if (mVolumeFaces.size() > LL_SCULPT_MESH_MAX_FACES)
mVolumeFaces.resize(LL_SCULPT_MESH_MAX_FACES);
if (!mVolumeFaces.empty())
{
LLVector4a min, max;
// For all of the volume faces
// in the model, loop over
// them and see what the extents
// of the volume along each axis.
min = mVolumeFaces[0].mExtents[0];
max = mVolumeFaces[0].mExtents[1];
for (U32 i = 1; i < mVolumeFaces.size(); ++i)
{
LLVolumeFace& face = mVolumeFaces[i];
update_min_max(min, max, face.mExtents[0]);
update_min_max(min, max, face.mExtents[1]);
if (face.mTexCoords)
{
LLVector2& min_tc = face.mTexCoordExtents[0];
LLVector2& max_tc = face.mTexCoordExtents[1];
min_tc = face.mTexCoords[0];
max_tc = face.mTexCoords[0];
for (U32 j = 1; j < (U32)face.mNumVertices; ++j)
{
update_min_max(min_tc, max_tc, face.mTexCoords[j]);
}
}
else
{
face.mTexCoordExtents[0].set(0,0);
face.mTexCoordExtents[1].set(1,1);
}
}
// Now that we have the extents of the model
// we can compute the offset needed to center
// the model at the origin.
// Compute center of the model
// and make it negative to get translation
// needed to center at origin.
LLVector4a trans;
trans.setAdd(min, max);
trans.mul(-0.5f);
// Compute the total size along all
// axes of the model.
LLVector4a size;
size.setSub(max, min);
// Prevent division by zero.
F32 x = size[0];
F32 y = size[1];
F32 z = size[2];
F32 w = size[3];
if (fabs(x)<F_APPROXIMATELY_ZERO)
{
x = 1.0;
}
if (fabs(y)<F_APPROXIMATELY_ZERO)
{
y = 1.0;
}
if (fabs(z)<F_APPROXIMATELY_ZERO)
{
z = 1.0;
}
size.set(x,y,z,w);
// Compute scale as reciprocal of size
LLVector4a scale;
scale.splat(1.f);
scale.div(size);
LLVector4a inv_scale(1.f);
inv_scale.div(scale);
for (U32 i = 0; i < mVolumeFaces.size(); ++i)
{
LLVolumeFace& face = mVolumeFaces[i];
// We shrink the extents so
// that they fall within
// the unit cube.
face.mExtents[0].add(trans);
face.mExtents[0].mul(scale);
face.mExtents[1].add(trans);
face.mExtents[1].mul(scale);
// For all the positions, we scale
// the positions to fit within the unit cube.
LLVector4a* pos = (LLVector4a*) face.mPositions;
LLVector4a* norm = (LLVector4a*) face.mNormals;
for (U32 j = 0; j < (U32)face.mNumVertices; ++j)
{
pos[j].add(trans);
pos[j].mul(scale);
if (norm && !norm[j].equals3(LLVector4a::getZero()))
{
norm[j].mul(inv_scale);
norm[j].normalize3();
}
}
}
// mNormalizedScale is the scale at which
// we would need to multiply the model
// by to get the original size of the
// model instead of the normalized size.
LLVector4a normalized_scale;
normalized_scale.splat(1.f);
normalized_scale.div(scale);
mNormalizedScale.set(normalized_scale.getF32ptr());
mNormalizedTranslation.set(trans.getF32ptr());
mNormalizedTranslation *= -1.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;
}
}