/** * @file llvovolume.cpp * @brief LLVOVolume class implementation * * $LicenseInfo:firstyear=2001&license=viewergpl$ * * Copyright (c) 2001-2009, Linden Research, Inc. * * Second Life Viewer Source Code * The source code in this file ("Source Code") is provided by Linden Lab * to you under the terms of the GNU General Public License, version 2.0 * ("GPL"), unless you have obtained a separate licensing agreement * ("Other License"), formally executed by you and Linden Lab. Terms of * the GPL can be found in doc/GPL-license.txt in this distribution, or * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 * * There are special exceptions to the terms and conditions of the GPL as * it is applied to this Source Code. View the full text of the exception * in the file doc/FLOSS-exception.txt in this software distribution, or * online at * http://secondlifegrid.net/programs/open_source/licensing/flossexception * * By copying, modifying or distributing this software, you acknowledge * that you have read and understood your obligations described above, * and agree to abide by those obligations. * * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, * COMPLETENESS OR PERFORMANCE. * $/LicenseInfo$ */ // A "volume" is a box, cylinder, sphere, or other primitive shape. #include "llviewerprecompiledheaders.h" #include "llvovolume.h" #include "llviewercontrol.h" #include "lldir.h" #include "llflexibleobject.h" #include "llmaterialtable.h" #include "llprimitive.h" #include "llvolume.h" #include "llvolumemgr.h" #include "llvolumemessage.h" #include "material_codes.h" #include "message.h" #include "object_flags.h" #include "llagent.h" #include "lldrawable.h" #include "lldrawpoolbump.h" #include "llface.h" #include "llspatialpartition.h" // TEMP HACK ventrella #include "llhudmanager.h" #include "llflexibleobject.h" #include "llsky.h" #include "llviewercamera.h" #include "llviewerimagelist.h" #include "llviewerregion.h" #include "llviewertextureanim.h" #include "llworld.h" #include "llselectmgr.h" #include "pipeline.h" const S32 MIN_QUIET_FRAMES_COALESCE = 30; const F32 FORCE_SIMPLE_RENDER_AREA = 512.f; const F32 FORCE_CULL_AREA = 8.f; const S32 MAX_SCULPT_REZ = 128; BOOL gAnimateTextures = TRUE; //extern BOOL gHideSelectedObjects; F32 LLVOVolume::sLODFactor = 1.f; F32 LLVOVolume::sLODSlopDistanceFactor = 0.5f; //Changing this to zero, effectively disables the LOD transition slop F32 LLVOVolume::sDistanceFactor = 1.0f; S32 LLVOVolume::sNumLODChanges = 0; LLVOVolume::LLVOVolume(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp) : LLViewerObject(id, pcode, regionp), mVolumeImpl(NULL) { mTexAnimMode = 0; mRelativeXform.setIdentity(); mRelativeXformInvTrans.setIdentity(); mLOD = MIN_LOD; mSculptLevel = -2; mTextureAnimp = NULL; mVObjRadius = LLVector3(1,1,0.5f).length(); mNumFaces = 0; mLODChanged = FALSE; mSculptChanged = FALSE; } LLVOVolume::~LLVOVolume() { delete mTextureAnimp; mTextureAnimp = NULL; delete mVolumeImpl; mVolumeImpl = NULL; } // static void LLVOVolume::initClass() { } U32 LLVOVolume::processUpdateMessage(LLMessageSystem *mesgsys, void **user_data, U32 block_num, EObjectUpdateType update_type, LLDataPacker *dp) { LLColor4U color; // Do base class updates... U32 retval = LLViewerObject::processUpdateMessage(mesgsys, user_data, block_num, update_type, dp); LLUUID sculpt_id; U8 sculpt_type = 0; if (isSculpted()) { LLSculptParams *sculpt_params = (LLSculptParams *)getParameterEntry(LLNetworkData::PARAMS_SCULPT); sculpt_id = sculpt_params->getSculptTexture(); sculpt_type = sculpt_params->getSculptType(); } if (!dp) { if (update_type == OUT_FULL) { //////////////////////////////// // // Unpack texture animation data // // if (mesgsys->getSizeFast(_PREHASH_ObjectData, block_num, _PREHASH_TextureAnim)) { if (!mTextureAnimp) { mTextureAnimp = new LLViewerTextureAnim(); } else { if (!(mTextureAnimp->mMode & LLTextureAnim::SMOOTH)) { mTextureAnimp->reset(); } } mTexAnimMode = 0; mTextureAnimp->unpackTAMessage(mesgsys, block_num); } else { if (mTextureAnimp) { delete mTextureAnimp; mTextureAnimp = NULL; gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; mTexAnimMode = 0; } } // Unpack volume data LLVolumeParams volume_params; LLVolumeMessage::unpackVolumeParams(&volume_params, mesgsys, _PREHASH_ObjectData, block_num); volume_params.setSculptID(sculpt_id, sculpt_type); if (setVolume(volume_params, 0)) { markForUpdate(TRUE); } } // Sigh, this needs to be done AFTER the volume is set as well, otherwise bad stuff happens... //////////////////////////// // // Unpack texture entry data // if (unpackTEMessage(mesgsys, _PREHASH_ObjectData, block_num) & (TEM_CHANGE_TEXTURE|TEM_CHANGE_COLOR)) { updateTEData(); } } else { // CORY TO DO: Figure out how to get the value here if (update_type != OUT_TERSE_IMPROVED) { LLVolumeParams volume_params; BOOL res = LLVolumeMessage::unpackVolumeParams(&volume_params, *dp); if (!res) { llwarns << "Bogus volume parameters in object " << getID() << llendl; llwarns << getRegion()->getOriginGlobal() << llendl; } volume_params.setSculptID(sculpt_id, sculpt_type); if (setVolume(volume_params, 0)) { markForUpdate(TRUE); } S32 res2 = unpackTEMessage(*dp); if (TEM_INVALID == res2) { // Well, crap, there's something bogus in the data that we're unpacking. dp->dumpBufferToLog(); llwarns << "Flushing cache files" << llendl; std::string mask; mask = gDirUtilp->getDirDelimiter() + "*.slc"; gDirUtilp->deleteFilesInDir(gDirUtilp->getExpandedFilename(LL_PATH_CACHE,""), mask); // llerrs << "Bogus TE data in " << getID() << ", crashing!" << llendl; llwarns << "Bogus TE data in " << getID() << llendl; } else if (res2 & (TEM_CHANGE_TEXTURE|TEM_CHANGE_COLOR)) { updateTEData(); } U32 value = dp->getPassFlags(); if (value & 0x40) { if (!mTextureAnimp) { mTextureAnimp = new LLViewerTextureAnim(); } else { if (!(mTextureAnimp->mMode & LLTextureAnim::SMOOTH)) { mTextureAnimp->reset(); } } mTexAnimMode = 0; mTextureAnimp->unpackTAMessage(*dp); } else if (mTextureAnimp) { delete mTextureAnimp; mTextureAnimp = NULL; gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; mTexAnimMode = 0; } } else { S32 texture_length = mesgsys->getSizeFast(_PREHASH_ObjectData, block_num, _PREHASH_TextureEntry); if (texture_length) { U8 tdpbuffer[1024]; LLDataPackerBinaryBuffer tdp(tdpbuffer, 1024); mesgsys->getBinaryDataFast(_PREHASH_ObjectData, _PREHASH_TextureEntry, tdpbuffer, 0, block_num); if ( unpackTEMessage(tdp) & (TEM_CHANGE_TEXTURE|TEM_CHANGE_COLOR)) { updateTEData(); } } } } return retval; } void LLVOVolume::animateTextures() { F32 off_s = 0.f, off_t = 0.f, scale_s = 1.f, scale_t = 1.f, rot = 0.f; S32 result = mTextureAnimp->animateTextures(off_s, off_t, scale_s, scale_t, rot); if (result) { if (!mTexAnimMode) { mFaceMappingChanged = TRUE; gPipeline.markTextured(mDrawable); } mTexAnimMode = result | mTextureAnimp->mMode; S32 start=0, end=mDrawable->getNumFaces()-1; if (mTextureAnimp->mFace >= 0 && mTextureAnimp->mFace <= end) { start = end = mTextureAnimp->mFace; } for (S32 i = start; i <= end; i++) { LLFace* facep = mDrawable->getFace(i); if(facep->getVirtualSize() <= MIN_TEX_ANIM_SIZE && facep->mTextureMatrix) continue; const LLTextureEntry* te = facep->getTextureEntry(); if (!te) { continue; } if (!(result & LLViewerTextureAnim::ROTATE)) { te->getRotation(&rot); } if (!(result & LLViewerTextureAnim::TRANSLATE)) { te->getOffset(&off_s,&off_t); } if (!(result & LLViewerTextureAnim::SCALE)) { te->getScale(&scale_s, &scale_t); } LLVector3 scale(scale_s, scale_t, 1.f); LLVector3 trans(off_s+0.5f, off_t+0.5f, 0.f); LLQuaternion quat; quat.setQuat(rot, 0, 0, -1.f); if (!facep->mTextureMatrix) { facep->mTextureMatrix = new LLMatrix4(); } LLMatrix4& tex_mat = *facep->mTextureMatrix; tex_mat.setIdentity(); tex_mat.translate(LLVector3(-0.5f, -0.5f, 0.f)); tex_mat.rotate(quat); LLMatrix4 mat; mat.initAll(scale, LLQuaternion(), LLVector3()); tex_mat *= mat; tex_mat.translate(trans); } } else { if (mTexAnimMode && mTextureAnimp->mRate == 0) { U8 start, count; if (mTextureAnimp->mFace == -1) { start = 0; count = getNumTEs(); } else { start = (U8) mTextureAnimp->mFace; count = 1; } for (S32 i = start; i < start + count; i++) { if (mTexAnimMode & LLViewerTextureAnim::TRANSLATE) { setTEOffset(i, mTextureAnimp->mOffS, mTextureAnimp->mOffT); } if (mTexAnimMode & LLViewerTextureAnim::SCALE) { setTEScale(i, mTextureAnimp->mScaleS, mTextureAnimp->mScaleT); } if (mTexAnimMode & LLViewerTextureAnim::ROTATE) { setTERotation(i, mTextureAnimp->mRot); } } gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; mTexAnimMode = 0; } } } BOOL LLVOVolume::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time) { LLViewerObject::idleUpdate(agent, world, time); if (mDead || mDrawable.isNull()) { return TRUE; } /////////////////////// // // Do texture animation stuff // if (mTextureAnimp && gAnimateTextures) { animateTextures(); } // Dispatch to implementation if (mVolumeImpl) { mVolumeImpl->doIdleUpdate(agent, world, time); } return TRUE; } void LLVOVolume::updateTextures(LLAgent &agent) { const F32 TEXTURE_AREA_REFRESH_TIME = 5.f; // seconds if (mDrawable.notNull() && mTextureUpdateTimer.getElapsedTimeF32() > TEXTURE_AREA_REFRESH_TIME) { if (mDrawable->isVisible()) { updateTextures(); } } } void LLVOVolume::updateTextures() { // Update the pixel area of all faces if (!gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_SIMPLE)) { return; } if (LLViewerImage::sDontLoadVolumeTextures || mDrawable.isNull()) // || !mDrawable->isVisible()) { return; } mTextureUpdateTimer.reset(); F32 old_area = mPixelArea; mPixelArea = 0.f; const S32 num_faces = mDrawable->getNumFaces(); F32 min_vsize=999999999.f, max_vsize=0.f; for (S32 i = 0; i < num_faces; i++) { LLFace* face = mDrawable->getFace(i); const LLTextureEntry *te = face->getTextureEntry(); LLViewerImage *imagep = face->getTexture(); if (!imagep || !te || face->mExtents[0] == face->mExtents[1]) { continue; } F32 vsize; if (isHUDAttachment()) { F32 area = (F32) LLViewerCamera::getInstance()->getScreenPixelArea(); vsize = area; imagep->setBoostLevel(LLViewerImage::BOOST_HUD); face->setPixelArea(area); // treat as full screen } else { vsize = getTextureVirtualSize(face); } mPixelArea = llmax(mPixelArea, face->getPixelArea()); F32 old_size = face->getVirtualSize(); if (face->mTextureMatrix != NULL) { if (vsize < MIN_TEX_ANIM_SIZE && old_size > MIN_TEX_ANIM_SIZE || vsize > MIN_TEX_ANIM_SIZE && old_size < MIN_TEX_ANIM_SIZE) { gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_TCOORD, FALSE); } } face->setVirtualSize(vsize); imagep->addTextureStats(vsize); if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_TEXTURE_AREA)) { if (vsize < min_vsize) min_vsize = vsize; if (vsize > max_vsize) max_vsize = vsize; } else if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_TEXTURE_PRIORITY)) { F32 pri = imagep->getDecodePriority(); pri = llmax(pri, 0.0f); if (pri < min_vsize) min_vsize = pri; if (pri > max_vsize) max_vsize = pri; } else if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_FACE_AREA)) { F32 pri = mPixelArea; if (pri < min_vsize) min_vsize = pri; if (pri > max_vsize) max_vsize = pri; } } if (isSculpted()) { LLSculptParams *sculpt_params = (LLSculptParams *)getParameterEntry(LLNetworkData::PARAMS_SCULPT); LLUUID id = sculpt_params->getSculptTexture(); mSculptTexture = gImageList.getImage(id); if (mSculptTexture.notNull()) { S32 lod = llmin(mLOD, 3); F32 lodf = ((F32)(lod + 1.0f)/4.f); F32 tex_size = lodf * MAX_SCULPT_REZ; mSculptTexture->addTextureStats(2.f * tex_size * tex_size); mSculptTexture->setBoostLevel(llmax((S32)mSculptTexture->getBoostLevel(), (S32)LLViewerImage::BOOST_SCULPTED)); } S32 texture_discard = mSculptTexture->getDiscardLevel(); //try to match the texture S32 current_discard = mSculptLevel; if (texture_discard >= 0 && //texture has some data available (texture_discard < current_discard || //texture has more data than last rebuild current_discard < 0)) //no previous rebuild { gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_VOLUME, FALSE); mSculptChanged = TRUE; } if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SCULPTED)) { setDebugText(llformat("T%d C%d V%d\n%dx%d", texture_discard, current_discard, getVolume()->getSculptLevel(), mSculptTexture->getHeight(), mSculptTexture->getWidth())); } } if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_TEXTURE_AREA)) { setDebugText(llformat("%.0f:%.0f", fsqrtf(min_vsize),fsqrtf(max_vsize))); } else if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_TEXTURE_PRIORITY)) { setDebugText(llformat("%.0f:%.0f", fsqrtf(min_vsize),fsqrtf(max_vsize))); } else if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_FACE_AREA)) { setDebugText(llformat("%.0f:%.0f", fsqrtf(min_vsize),fsqrtf(max_vsize))); } if (mPixelArea == 0) { //flexi phasing issues make this happen mPixelArea = old_area; } } F32 LLVOVolume::getTextureVirtualSize(LLFace* face) { //get area of circle around face LLVector3 center = face->getPositionAgent(); LLVector3 size = (face->mExtents[1] - face->mExtents[0]) * 0.5f; F32 face_area = LLPipeline::calcPixelArea(center, size, *LLViewerCamera::getInstance()); face->setPixelArea(face_area); if (face_area <= 0) { return 0.f; } //get area of circle in texture space LLVector2 tdim = face->mTexExtents[1] - face->mTexExtents[0]; F32 texel_area = (tdim * 0.5f).lengthSquared()*3.14159f; if (texel_area <= 0) { // Probably animated, use default texel_area = 1.f; } //apply texel area to face area to get accurate ratio face_area /= llclamp(texel_area, 1.f/64.f, 16.f); return face_area; } BOOL LLVOVolume::isActive() const { return !mStatic || mTextureAnimp || (mVolumeImpl && mVolumeImpl->isActive()); } BOOL LLVOVolume::setMaterial(const U8 material) { BOOL res = LLViewerObject::setMaterial(material); return res; } void LLVOVolume::setTexture(const S32 face) { llassert(face < getNumTEs()); gGL.getTexUnit(0)->bind(getTEImage(face)); } void LLVOVolume::setScale(const LLVector3 &scale, BOOL damped) { if (scale != getScale()) { // store local radius LLViewerObject::setScale(scale); if (mVolumeImpl) { mVolumeImpl->onSetScale(scale, damped); } updateRadius(); //since drawable transforms do not include scale, changing volume scale //requires an immediate rebuild of volume verts. gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_POSITION, TRUE); } } LLFace* LLVOVolume::addFace(S32 f) { const LLTextureEntry* te = getTE(f); LLViewerImage* imagep = getTEImage(f); return mDrawable->addFace(te, imagep); } LLDrawable *LLVOVolume::createDrawable(LLPipeline *pipeline) { pipeline->allocDrawable(this); mDrawable->setRenderType(LLPipeline::RENDER_TYPE_VOLUME); S32 max_tes_to_set = getNumTEs(); for (S32 i = 0; i < max_tes_to_set; i++) { addFace(i); } mNumFaces = max_tes_to_set; if (isAttachment()) { mDrawable->makeActive(); } if (getIsLight()) { // Add it to the pipeline mLightSet gPipeline.setLight(mDrawable, TRUE); } updateRadius(); mDrawable->updateDistance(*LLViewerCamera::getInstance()); return mDrawable; } BOOL LLVOVolume::setVolume(const LLVolumeParams &volume_params, const S32 detail, bool unique_volume) { // Check if we need to change implementations bool is_flexible = (volume_params.getPathParams().getCurveType() == LL_PCODE_PATH_FLEXIBLE); if (is_flexible) { setParameterEntryInUse(LLNetworkData::PARAMS_FLEXIBLE, TRUE, false); if (!mVolumeImpl) { LLFlexibleObjectData* data = (LLFlexibleObjectData*)getParameterEntry(LLNetworkData::PARAMS_FLEXIBLE); mVolumeImpl = new LLVolumeImplFlexible(this, data); } } else { // Mark the parameter not in use setParameterEntryInUse(LLNetworkData::PARAMS_FLEXIBLE, FALSE, false); if (mVolumeImpl) { delete mVolumeImpl; mVolumeImpl = NULL; if (mDrawable.notNull()) { // Undo the damage we did to this matrix mDrawable->updateXform(FALSE); } } } if ((LLPrimitive::setVolume(volume_params, mLOD, (mVolumeImpl && mVolumeImpl->isVolumeUnique()))) || mSculptChanged) { mFaceMappingChanged = TRUE; if (mVolumeImpl) { mVolumeImpl->onSetVolume(volume_params, detail); } if (isSculpted()) { mSculptTexture = gImageList.getImage(volume_params.getSculptID()); if (mSculptTexture.notNull()) { sculpt(); mSculptLevel = getVolume()->getSculptLevel(); } } else { mSculptTexture = NULL; } return TRUE; } return FALSE; } // sculpt replaces generate() for sculpted surfaces void LLVOVolume::sculpt() { U16 sculpt_height = 0; U16 sculpt_width = 0; S8 sculpt_components = 0; const U8* sculpt_data = NULL; if (mSculptTexture.notNull()) { S32 discard_level; S32 desired_discard = 0; // lower discard levels have MUCH less resolution discard_level = desired_discard; S32 max_discard = mSculptTexture->getMaxDiscardLevel(); if (discard_level > max_discard) discard_level = max_discard; // clamp to the best we can do S32 best_discard = mSculptTexture->getDiscardLevel(); if (discard_level < best_discard) discard_level = best_discard; // clamp to what we have if (best_discard == -1) discard_level = -1; // and if we have nothing, set to nothing S32 current_discard = getVolume()->getSculptLevel(); if(current_discard < -2) { llwarns << "WARNING!!: Current discard of sculpty at " << current_discard << " is less than -2." << llendl; // corrupted volume... don't update the sculpty return; } else if (current_discard > MAX_DISCARD_LEVEL) { llwarns << "WARNING!!: Current discard of sculpty at " << current_discard << " is more than than allowed max of " << MAX_DISCARD_LEVEL << llendl; // corrupted volume... don't update the sculpty return; } if (current_discard == discard_level) // no work to do here return; LLPointer raw_image = new LLImageRaw(); BOOL is_valid = mSculptTexture->readBackRaw(discard_level, raw_image, FALSE); sculpt_height = raw_image->getHeight(); sculpt_width = raw_image->getWidth(); sculpt_components = raw_image->getComponents(); if(is_valid) { is_valid = mSculptTexture->isValidForSculpt(discard_level, sculpt_width, sculpt_height, sculpt_components) ; } if(!is_valid) { sculpt_width = 0; sculpt_height = 0; sculpt_data = NULL ; } else { if (raw_image->getDataSize() < sculpt_height * sculpt_width * sculpt_components) llerrs << "Sculpt: image data size = " << raw_image->getDataSize() << " < " << sculpt_height << " x " << sculpt_width << " x " <getData(); } getVolume()->sculpt(sculpt_width, sculpt_height, sculpt_components, sculpt_data, discard_level); } } S32 LLVOVolume::computeLODDetail(F32 distance, F32 radius) { S32 cur_detail; if (LLPipeline::sDynamicLOD) { // We've got LOD in the profile, and in the twist. Use radius. F32 tan_angle = (LLVOVolume::sLODFactor*radius)/distance; cur_detail = LLVolumeLODGroup::getDetailFromTan(llround(tan_angle, 0.01f)); } else { cur_detail = llclamp((S32) (sqrtf(radius)*LLVOVolume::sLODFactor*4.f), 0, 3); } return cur_detail; } BOOL LLVOVolume::calcLOD() { if (mDrawable.isNull()) { return FALSE; } //update face texture sizes on lod calculation updateTextures(); S32 cur_detail = 0; F32 radius = getVolume()->mLODScaleBias.scaledVec(getScale()).length(); F32 distance = mDrawable->mDistanceWRTCamera; distance *= sDistanceFactor; F32 rampDist = LLVOVolume::sLODFactor * 2; if (distance < rampDist) { // Boost LOD when you're REALLY close distance *= 1.0f/rampDist; distance *= distance; distance *= rampDist; } // DON'T Compensate for field of view changing on FOV zoom. distance *= 3.14159f/3.f; cur_detail = computeLODDetail(llround(distance, 0.01f), llround(radius, 0.01f)); if (cur_detail != mLOD) { mAppAngle = llround((F32) atan2( mDrawable->getRadius(), mDrawable->mDistanceWRTCamera) * RAD_TO_DEG, 0.01f); mLOD = cur_detail; return TRUE; } else { return FALSE; } } BOOL LLVOVolume::updateLOD() { if (mDrawable.isNull()) { return FALSE; } BOOL lod_changed = calcLOD(); if (lod_changed) { gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_VOLUME, FALSE); mLODChanged = TRUE; } lod_changed |= LLViewerObject::updateLOD(); return lod_changed; } BOOL LLVOVolume::setDrawableParent(LLDrawable* parentp) { if (!LLViewerObject::setDrawableParent(parentp)) { // no change in drawable parent return FALSE; } if (!mDrawable->isRoot()) { // rebuild vertices in parent relative space gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_VOLUME, TRUE); if (mDrawable->isActive() && !parentp->isActive()) { parentp->makeActive(); } else if (mDrawable->isStatic() && parentp->isActive()) { mDrawable->makeActive(); } } return TRUE; } void LLVOVolume::updateFaceFlags() { for (S32 i = 0; i < getVolume()->getNumFaces(); i++) { LLFace *face = mDrawable->getFace(i); BOOL fullbright = getTE(i)->getFullbright(); face->clearState(LLFace::FULLBRIGHT | LLFace::HUD_RENDER | LLFace::LIGHT); if (fullbright || (mMaterial == LL_MCODE_LIGHT)) { face->setState(LLFace::FULLBRIGHT); } if (mDrawable->isLight()) { face->setState(LLFace::LIGHT); } if (isHUDAttachment()) { face->setState(LLFace::HUD_RENDER); } } } void LLVOVolume::setParent(LLViewerObject* parent) { if (parent != getParent()) { LLViewerObject::setParent(parent); if (mDrawable) { gPipeline.markMoved(mDrawable); gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_VOLUME, TRUE); } } } // NOTE: regenFaces() MUST be followed by genTriangles()! void LLVOVolume::regenFaces() { // remove existing faces BOOL count_changed = mNumFaces != getNumTEs(); if (count_changed) { deleteFaces(); // add new faces mNumFaces = getNumTEs(); } for (S32 i = 0; i < mNumFaces; i++) { LLFace* facep = count_changed ? addFace(i) : mDrawable->getFace(i); facep->setTEOffset(i); facep->setTexture(getTEImage(i)); facep->setViewerObject(this); } if (!count_changed) { updateFaceFlags(); } } BOOL LLVOVolume::genBBoxes(BOOL force_global) { BOOL res = TRUE; LLVector3 min,max; BOOL rebuild = mDrawable->isState(LLDrawable::REBUILD_VOLUME | LLDrawable::REBUILD_POSITION); for (S32 i = 0; i < getVolume()->getNumFaces(); i++) { LLFace *face = mDrawable->getFace(i); res &= face->genVolumeBBoxes(*getVolume(), i, mRelativeXform, mRelativeXformInvTrans, (mVolumeImpl && mVolumeImpl->isVolumeGlobal()) || force_global); if (rebuild) { if (i == 0) { min = face->mExtents[0]; max = face->mExtents[1]; } else { for (U32 i = 0; i < 3; i++) { if (face->mExtents[0].mV[i] < min.mV[i]) { min.mV[i] = face->mExtents[0].mV[i]; } if (face->mExtents[1].mV[i] > max.mV[i]) { max.mV[i] = face->mExtents[1].mV[i]; } } } } } if (rebuild) { mDrawable->setSpatialExtents(min,max); mDrawable->setPositionGroup((min+max)*0.5f); } updateRadius(); mDrawable->movePartition(); return res; } void LLVOVolume::preRebuild() { if (mVolumeImpl != NULL) { mVolumeImpl->preRebuild(); } } void LLVOVolume::updateRelativeXform() { if (mVolumeImpl) { mVolumeImpl->updateRelativeXform(); return; } LLDrawable* drawable = mDrawable; if (drawable->isActive()) { // setup relative transforms LLQuaternion delta_rot; LLVector3 delta_pos, delta_scale; //matrix from local space to parent relative/global space delta_rot = drawable->isSpatialRoot() ? LLQuaternion() : mDrawable->getRotation(); delta_pos = drawable->isSpatialRoot() ? LLVector3(0,0,0) : mDrawable->getPosition(); delta_scale = mDrawable->getScale(); // Vertex transform (4x4) LLVector3 x_axis = LLVector3(delta_scale.mV[VX], 0.f, 0.f) * delta_rot; LLVector3 y_axis = LLVector3(0.f, delta_scale.mV[VY], 0.f) * delta_rot; LLVector3 z_axis = LLVector3(0.f, 0.f, delta_scale.mV[VZ]) * delta_rot; mRelativeXform.initRows(LLVector4(x_axis, 0.f), LLVector4(y_axis, 0.f), LLVector4(z_axis, 0.f), LLVector4(delta_pos, 1.f)); // compute inverse transpose for normals // mRelativeXformInvTrans.setRows(x_axis, y_axis, z_axis); // mRelativeXformInvTrans.invert(); // mRelativeXformInvTrans.setRows(x_axis, y_axis, z_axis); // grumble - invert is NOT a matrix invert, so we do it by hand: LLMatrix3 rot_inverse = LLMatrix3(~delta_rot); LLMatrix3 scale_inverse; scale_inverse.setRows(LLVector3(1.0, 0.0, 0.0) / delta_scale.mV[VX], LLVector3(0.0, 1.0, 0.0) / delta_scale.mV[VY], LLVector3(0.0, 0.0, 1.0) / delta_scale.mV[VZ]); mRelativeXformInvTrans = rot_inverse * scale_inverse; mRelativeXformInvTrans.transpose(); } else { LLVector3 pos = getPosition(); LLVector3 scale = getScale(); LLQuaternion rot = getRotation(); if (mParent) { pos *= mParent->getRotation(); pos += mParent->getPosition(); rot *= mParent->getRotation(); } //LLViewerRegion* region = getRegion(); //pos += region->getOriginAgent(); LLVector3 x_axis = LLVector3(scale.mV[VX], 0.f, 0.f) * rot; LLVector3 y_axis = LLVector3(0.f, scale.mV[VY], 0.f) * rot; LLVector3 z_axis = LLVector3(0.f, 0.f, scale.mV[VZ]) * rot; mRelativeXform.initRows(LLVector4(x_axis, 0.f), LLVector4(y_axis, 0.f), LLVector4(z_axis, 0.f), LLVector4(pos, 1.f)); // compute inverse transpose for normals LLMatrix3 rot_inverse = LLMatrix3(~rot); LLMatrix3 scale_inverse; scale_inverse.setRows(LLVector3(1.0, 0.0, 0.0) / scale.mV[VX], LLVector3(0.0, 1.0, 0.0) / scale.mV[VY], LLVector3(0.0, 0.0, 1.0) / scale.mV[VZ]); mRelativeXformInvTrans = rot_inverse * scale_inverse; mRelativeXformInvTrans.transpose(); } } BOOL LLVOVolume::updateGeometry(LLDrawable *drawable) { LLFastTimer t(LLFastTimer::FTM_UPDATE_PRIMITIVES); if (mVolumeImpl != NULL) { BOOL res; { LLFastTimer t(LLFastTimer::FTM_GEN_FLEX); res = mVolumeImpl->doUpdateGeometry(drawable); } updateFaceFlags(); return res; } dirtySpatialGroup(); BOOL compiled = FALSE; updateRelativeXform(); if (mDrawable.isNull()) // Not sure why this is happening, but it is... { return TRUE; // No update to complete } if (mVolumeChanged || mFaceMappingChanged ) { compiled = TRUE; if (mVolumeChanged) { LLFastTimer ftm(LLFastTimer::FTM_GEN_VOLUME); LLVolumeParams volume_params = getVolume()->getParams(); setVolume(volume_params, 0); drawable->setState(LLDrawable::REBUILD_VOLUME); } { LLFastTimer t(LLFastTimer::FTM_GEN_TRIANGLES); regenFaces(); genBBoxes(FALSE); } } else if ((mLODChanged) || (mSculptChanged)) { LLVolume *old_volumep, *new_volumep; F32 old_lod, new_lod; S32 old_num_faces, new_num_faces ; old_volumep = getVolume(); old_lod = old_volumep->getDetail(); old_num_faces = old_volumep->getNumFaces() ; old_volumep = NULL ; { LLFastTimer ftm(LLFastTimer::FTM_GEN_VOLUME); LLVolumeParams volume_params = getVolume()->getParams(); setVolume(volume_params, 0); } new_volumep = getVolume(); new_lod = new_volumep->getDetail(); new_num_faces = new_volumep->getNumFaces() ; new_volumep = NULL ; if ((new_lod != old_lod) || mSculptChanged) { compiled = TRUE; sNumLODChanges += new_num_faces ; drawable->setState(LLDrawable::REBUILD_VOLUME); // for face->genVolumeTriangles() { LLFastTimer t(LLFastTimer::FTM_GEN_TRIANGLES); if (new_num_faces != old_num_faces) { regenFaces(); } genBBoxes(FALSE); } } } // it has its own drawable (it's moved) or it has changed UVs or it has changed xforms from global<->local else { compiled = TRUE; // All it did was move or we changed the texture coordinate offset LLFastTimer t(LLFastTimer::FTM_GEN_TRIANGLES); genBBoxes(FALSE); } // Update face flags updateFaceFlags(); if(compiled) { LLPipeline::sCompiles++; } mVolumeChanged = FALSE; mLODChanged = FALSE; mSculptChanged = FALSE; mFaceMappingChanged = FALSE; return LLViewerObject::updateGeometry(drawable); } void LLVOVolume::updateFaceSize(S32 idx) { LLFace* facep = mDrawable->getFace(idx); if (idx >= getVolume()->getNumVolumeFaces()) { facep->setSize(0,0); } else { const LLVolumeFace& vol_face = getVolume()->getVolumeFace(idx); facep->setSize(vol_face.mVertices.size(), vol_face.mIndices.size()); } } BOOL LLVOVolume::isRootEdit() const { if (mParent && !((LLViewerObject*)mParent)->isAvatar()) { return FALSE; } return TRUE; } void LLVOVolume::setTEImage(const U8 te, LLViewerImage *imagep) { BOOL changed = (mTEImages[te] != imagep); LLViewerObject::setTEImage(te, imagep); if (changed) { gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; } } S32 LLVOVolume::setTETexture(const U8 te, const LLUUID &uuid) { S32 res = LLViewerObject::setTETexture(te, uuid); if (res) { gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; } return res; } S32 LLVOVolume::setTEColor(const U8 te, const LLColor3& color) { return setTEColor(te, LLColor4(color)); } S32 LLVOVolume::setTEColor(const U8 te, const LLColor4& color) { S32 res = LLViewerObject::setTEColor(te, color); if (res && mDrawable.notNull()) { //gPipeline.markTextured(mDrawable); mDrawable->setState(LLDrawable::REBUILD_COLOR); dirtyMesh(); //mFaceMappingChanged = TRUE; } return res; } S32 LLVOVolume::setTEBumpmap(const U8 te, const U8 bumpmap) { S32 res = LLViewerObject::setTEBumpmap(te, bumpmap); if (res) { gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; } return res; } S32 LLVOVolume::setTETexGen(const U8 te, const U8 texgen) { S32 res = LLViewerObject::setTETexGen(te, texgen); if (res) { gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; } return res; } S32 LLVOVolume::setTEShiny(const U8 te, const U8 shiny) { S32 res = LLViewerObject::setTEShiny(te, shiny); if (res) { gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; } return res; } S32 LLVOVolume::setTEFullbright(const U8 te, const U8 fullbright) { S32 res = LLViewerObject::setTEFullbright(te, fullbright); if (res) { gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; } return res; } S32 LLVOVolume::setTEMediaFlags(const U8 te, const U8 media_flags) { S32 res = LLViewerObject::setTEMediaFlags(te, media_flags); if (res) { gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; } return res; } S32 LLVOVolume::setTEGlow(const U8 te, const F32 glow) { S32 res = LLViewerObject::setTEGlow(te, glow); if (res) { gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; } return res; } S32 LLVOVolume::setTEScale(const U8 te, const F32 s, const F32 t) { S32 res = LLViewerObject::setTEScale(te, s, t); if (res) { gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; } return res; } S32 LLVOVolume::setTEScaleS(const U8 te, const F32 s) { S32 res = LLViewerObject::setTEScaleS(te, s); if (res) { gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; } return res; } S32 LLVOVolume::setTEScaleT(const U8 te, const F32 t) { S32 res = LLViewerObject::setTEScaleT(te, t); if (res) { gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; } return res; } void LLVOVolume::updateTEData() { /*if (mDrawable.notNull()) { mFaceMappingChanged = TRUE; gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_MATERIAL, TRUE); }*/ } //---------------------------------------------------------------------------- void LLVOVolume::setIsLight(BOOL is_light) { if (is_light != getIsLight()) { if (is_light) { setParameterEntryInUse(LLNetworkData::PARAMS_LIGHT, TRUE, true); } else { setParameterEntryInUse(LLNetworkData::PARAMS_LIGHT, FALSE, true); } if (is_light) { // Add it to the pipeline mLightSet gPipeline.setLight(mDrawable, TRUE); } else { // Not a light. Remove it from the pipeline's light set. gPipeline.setLight(mDrawable, FALSE); } } } void LLVOVolume::setLightColor(const LLColor3& color) { LLLightParams *param_block = (LLLightParams *)getParameterEntry(LLNetworkData::PARAMS_LIGHT); if (param_block) { if (param_block->getColor() != color) { param_block->setColor(LLColor4(color, param_block->getColor().mV[3])); parameterChanged(LLNetworkData::PARAMS_LIGHT, true); gPipeline.markTextured(mDrawable); mFaceMappingChanged = TRUE; } } } void LLVOVolume::setLightIntensity(F32 intensity) { LLLightParams *param_block = (LLLightParams *)getParameterEntry(LLNetworkData::PARAMS_LIGHT); if (param_block) { if (param_block->getColor().mV[3] != intensity) { param_block->setColor(LLColor4(LLColor3(param_block->getColor()), intensity)); parameterChanged(LLNetworkData::PARAMS_LIGHT, true); } } } void LLVOVolume::setLightRadius(F32 radius) { LLLightParams *param_block = (LLLightParams *)getParameterEntry(LLNetworkData::PARAMS_LIGHT); if (param_block) { if (param_block->getRadius() != radius) { param_block->setRadius(radius); parameterChanged(LLNetworkData::PARAMS_LIGHT, true); } } } void LLVOVolume::setLightFalloff(F32 falloff) { LLLightParams *param_block = (LLLightParams *)getParameterEntry(LLNetworkData::PARAMS_LIGHT); if (param_block) { if (param_block->getFalloff() != falloff) { param_block->setFalloff(falloff); parameterChanged(LLNetworkData::PARAMS_LIGHT, true); } } } void LLVOVolume::setLightCutoff(F32 cutoff) { LLLightParams *param_block = (LLLightParams *)getParameterEntry(LLNetworkData::PARAMS_LIGHT); if (param_block) { if (param_block->getCutoff() != cutoff) { param_block->setCutoff(cutoff); parameterChanged(LLNetworkData::PARAMS_LIGHT, true); } } } //---------------------------------------------------------------------------- BOOL LLVOVolume::getIsLight() const { return getParameterEntryInUse(LLNetworkData::PARAMS_LIGHT); } LLColor3 LLVOVolume::getLightBaseColor() const { const LLLightParams *param_block = (const LLLightParams *)getParameterEntry(LLNetworkData::PARAMS_LIGHT); if (param_block) { return LLColor3(param_block->getColor()); } else { return LLColor3(1,1,1); } } LLColor3 LLVOVolume::getLightColor() const { const LLLightParams *param_block = (const LLLightParams *)getParameterEntry(LLNetworkData::PARAMS_LIGHT); if (param_block) { return LLColor3(param_block->getColor()) * param_block->getColor().mV[3]; } else { return LLColor3(1,1,1); } } F32 LLVOVolume::getLightIntensity() const { const LLLightParams *param_block = (const LLLightParams *)getParameterEntry(LLNetworkData::PARAMS_LIGHT); if (param_block) { return param_block->getColor().mV[3]; } else { return 1.f; } } F32 LLVOVolume::getLightRadius() const { const LLLightParams *param_block = (const LLLightParams *)getParameterEntry(LLNetworkData::PARAMS_LIGHT); if (param_block) { return param_block->getRadius(); } else { return 0.f; } } F32 LLVOVolume::getLightFalloff() const { const LLLightParams *param_block = (const LLLightParams *)getParameterEntry(LLNetworkData::PARAMS_LIGHT); if (param_block) { return param_block->getFalloff(); } else { return 0.f; } } F32 LLVOVolume::getLightCutoff() const { const LLLightParams *param_block = (const LLLightParams *)getParameterEntry(LLNetworkData::PARAMS_LIGHT); if (param_block) { return param_block->getCutoff(); } else { return 0.f; } } U32 LLVOVolume::getVolumeInterfaceID() const { if (mVolumeImpl) { return mVolumeImpl->getID(); } return 0; } BOOL LLVOVolume::isFlexible() const { if (getParameterEntryInUse(LLNetworkData::PARAMS_FLEXIBLE)) { LLVolume* volume = getVolume(); if (volume && volume->getParams().getPathParams().getCurveType() != LL_PCODE_PATH_FLEXIBLE) { LLVolumeParams volume_params = getVolume()->getParams(); U8 profile_and_hole = volume_params.getProfileParams().getCurveType(); volume_params.setType(profile_and_hole, LL_PCODE_PATH_FLEXIBLE); } return TRUE; } else { return FALSE; } } BOOL LLVOVolume::isSculpted() const { if (getParameterEntryInUse(LLNetworkData::PARAMS_SCULPT)) { return TRUE; } return FALSE; } BOOL LLVOVolume::isVolumeGlobal() const { if (mVolumeImpl) { return mVolumeImpl->isVolumeGlobal() ? TRUE : FALSE; } return FALSE; } BOOL LLVOVolume::canBeFlexible() const { U8 path = getVolume()->getParams().getPathParams().getCurveType(); return (path == LL_PCODE_PATH_FLEXIBLE || path == LL_PCODE_PATH_LINE); } BOOL LLVOVolume::setIsFlexible(BOOL is_flexible) { BOOL res = FALSE; BOOL was_flexible = isFlexible(); LLVolumeParams volume_params; if (is_flexible) { if (!was_flexible) { volume_params = getVolume()->getParams(); U8 profile_and_hole = volume_params.getProfileParams().getCurveType(); volume_params.setType(profile_and_hole, LL_PCODE_PATH_FLEXIBLE); res = TRUE; setFlags(FLAGS_USE_PHYSICS, FALSE); setFlags(FLAGS_PHANTOM, TRUE); setParameterEntryInUse(LLNetworkData::PARAMS_FLEXIBLE, TRUE, true); if (mDrawable) { mDrawable->makeActive(); } } } else { if (was_flexible) { volume_params = getVolume()->getParams(); U8 profile_and_hole = volume_params.getProfileParams().getCurveType(); volume_params.setType(profile_and_hole, LL_PCODE_PATH_LINE); res = TRUE; setFlags(FLAGS_PHANTOM, FALSE); setParameterEntryInUse(LLNetworkData::PARAMS_FLEXIBLE, FALSE, true); } } if (res) { res = setVolume(volume_params, 1); if (res) { markForUpdate(TRUE); } } return res; } //---------------------------------------------------------------------------- void LLVOVolume::generateSilhouette(LLSelectNode* nodep, const LLVector3& view_point) { LLVolume *volume = getVolume(); if (volume) { LLVector3 view_vector; view_vector = view_point; //transform view vector into volume space view_vector -= getRenderPosition(); mDrawable->mDistanceWRTCamera = view_vector.length(); LLQuaternion worldRot = getRenderRotation(); view_vector = view_vector * ~worldRot; if (!isVolumeGlobal()) { LLVector3 objScale = getScale(); LLVector3 invObjScale(1.f / objScale.mV[VX], 1.f / objScale.mV[VY], 1.f / objScale.mV[VZ]); view_vector.scaleVec(invObjScale); } updateRelativeXform(); LLMatrix4 trans_mat = mRelativeXform; if (mDrawable->isStatic()) { trans_mat.translate(getRegion()->getOriginAgent()); } volume->generateSilhouetteVertices(nodep->mSilhouetteVertices, nodep->mSilhouetteNormals, nodep->mSilhouetteSegments, view_vector, trans_mat, mRelativeXformInvTrans); nodep->mSilhouetteExists = TRUE; } } void LLVOVolume::deleteFaces() { S32 face_count = mNumFaces; if (mDrawable.notNull()) { mDrawable->deleteFaces(0, face_count); } mNumFaces = 0; } void LLVOVolume::updateRadius() { if (mDrawable.isNull()) { return; } mVObjRadius = getScale().length(); mDrawable->setRadius(mVObjRadius); } BOOL LLVOVolume::isAttachment() const { if (mState == 0) { return FALSE; } else { return TRUE; } } BOOL LLVOVolume::isHUDAttachment() const { // *NOTE: we assume hud attachment points are in defined range // since this range is constant for backwards compatibility // reasons this is probably a reasonable assumption to make S32 attachment_id = ATTACHMENT_ID_FROM_STATE(mState); return ( attachment_id >= 31 && attachment_id <= 38 ); } const LLMatrix4 LLVOVolume::getRenderMatrix() const { if (mDrawable->isActive() && !mDrawable->isRoot()) { return mDrawable->getParent()->getWorldMatrix(); } return mDrawable->getWorldMatrix(); } //static void LLVOVolume::preUpdateGeom() { sNumLODChanges = 0; } void LLVOVolume::parameterChanged(U16 param_type, bool local_origin) { LLViewerObject::parameterChanged(param_type, local_origin); } void LLVOVolume::parameterChanged(U16 param_type, LLNetworkData* data, BOOL in_use, bool local_origin) { LLViewerObject::parameterChanged(param_type, data, in_use, local_origin); if (mVolumeImpl) { mVolumeImpl->onParameterChanged(param_type, data, in_use, local_origin); } if (mDrawable.notNull()) { BOOL is_light = getIsLight(); if (is_light != mDrawable->isState(LLDrawable::LIGHT)) { gPipeline.setLight(mDrawable, is_light); } } } void LLVOVolume::setSelected(BOOL sel) { LLViewerObject::setSelected(sel); if (mDrawable.notNull()) { markForUpdate(TRUE); } } void LLVOVolume::updateSpatialExtents(LLVector3& newMin, LLVector3& newMax) { } F32 LLVOVolume::getBinRadius() { F32 radius; const LLVector3* ext = mDrawable->getSpatialExtents(); BOOL shrink_wrap = mDrawable->isAnimating(); BOOL alpha_wrap = FALSE; if (!isHUDAttachment()) { for (S32 i = 0; i < mDrawable->getNumFaces(); i++) { LLFace* face = mDrawable->getFace(i); if (face->getPoolType() == LLDrawPool::POOL_ALPHA && (!LLPipeline::sFastAlpha || face->getFaceColor().mV[3] != 1.f || !face->getTexture()->getIsAlphaMask())) { alpha_wrap = TRUE; break; } } } else { shrink_wrap = FALSE; } if (alpha_wrap) { LLVector3 bounds = getScale(); radius = llmin(bounds.mV[1], bounds.mV[2]); radius = llmin(radius, bounds.mV[0]); radius *= 0.5f; } else if (shrink_wrap) { radius = (ext[1]-ext[0]).length()*0.5f; } else if (mDrawable->isStatic()) { /*if (mDrawable->getRadius() < 2.0f) { radius = 16.f; } else { radius = llmax(mDrawable->getRadius(), 32.f); }*/ radius = (((S32) mDrawable->getRadius())/2+1)*8; } else if (mDrawable->getVObj()->isAttachment()) { radius = (((S32) (mDrawable->getRadius()*4)+1))*2; } else { radius = 8.f; } return llclamp(radius, 0.5f, 256.f); } const LLVector3 LLVOVolume::getPivotPositionAgent() const { if (mVolumeImpl) { return mVolumeImpl->getPivotPosition(); } return LLViewerObject::getPivotPositionAgent(); } void LLVOVolume::onShift(const LLVector3 &shift_vector) { if (mVolumeImpl) { mVolumeImpl->onShift(shift_vector); } updateRelativeXform(); } const LLMatrix4& LLVOVolume::getWorldMatrix(LLXformMatrix* xform) const { if (mVolumeImpl) { return mVolumeImpl->getWorldMatrix(xform); } return xform->getWorldMatrix(); } LLVector3 LLVOVolume::agentPositionToVolume(const LLVector3& pos) const { LLVector3 ret = pos - getRenderPosition(); ret = ret * ~getRenderRotation(); LLVector3 objScale = isVolumeGlobal() ? LLVector3(1,1,1) : getScale(); LLVector3 invObjScale(1.f / objScale.mV[VX], 1.f / objScale.mV[VY], 1.f / objScale.mV[VZ]); ret.scaleVec(invObjScale); return ret; } LLVector3 LLVOVolume::agentDirectionToVolume(const LLVector3& dir) const { LLVector3 ret = dir * ~getRenderRotation(); LLVector3 objScale = isVolumeGlobal() ? LLVector3(1,1,1) : getScale(); ret.scaleVec(objScale); return ret; } LLVector3 LLVOVolume::volumePositionToAgent(const LLVector3& dir) const { LLVector3 ret = dir; LLVector3 objScale = isVolumeGlobal() ? LLVector3(1,1,1) : getScale(); ret.scaleVec(objScale); ret = ret * getRenderRotation(); ret += getRenderPosition(); return ret; } LLVector3 LLVOVolume::volumeDirectionToAgent(const LLVector3& dir) const { LLVector3 ret = dir; LLVector3 objScale = isVolumeGlobal() ? LLVector3(1,1,1) : getScale(); LLVector3 invObjScale(1.f / objScale.mV[VX], 1.f / objScale.mV[VY], 1.f / objScale.mV[VZ]); ret.scaleVec(invObjScale); ret = ret * getRenderRotation(); return ret; } BOOL LLVOVolume::lineSegmentIntersect(const LLVector3& start, const LLVector3& end, S32 face, BOOL pick_transparent, S32 *face_hitp, LLVector3* intersection,LLVector2* tex_coord, LLVector3* normal, LLVector3* bi_normal) { if (!mbCanSelect || mDrawable->isDead() || !gPipeline.hasRenderType(mDrawable->getRenderType())) { return FALSE; } BOOL ret = FALSE; LLVolume* volume = getVolume(); if (volume) { LLVector3 v_start, v_end, v_dir; v_start = agentPositionToVolume(start); v_end = agentPositionToVolume(end); LLVector3 p; LLVector3 n; LLVector2 tc; LLVector3 bn; if (intersection != NULL) { p = *intersection; } if (tex_coord != NULL) { tc = *tex_coord; } if (normal != NULL) { n = *normal; } if (bi_normal != NULL) { bn = *bi_normal; } S32 face_hit = -1; S32 start_face, end_face; if (face == -1) { start_face = 0; end_face = volume->getNumFaces(); } else { start_face = face; end_face = face+1; } for (S32 i = start_face; i < end_face; ++i) { face_hit = volume->lineSegmentIntersect(v_start, v_end, i, &p, &tc, &n, &bn); if (face_hit >= 0 && mDrawable->getNumFaces() > face_hit) { LLFace* face = mDrawable->getFace(face_hit); if (pick_transparent || !face->getTexture() || face->getTexture()->getMask(face->surfaceToTexture(tc, p, n))) { v_end = p; if (face_hitp != NULL) { *face_hitp = face_hit; } if (intersection != NULL) { *intersection = volumePositionToAgent(p); // must map back to agent space } if (normal != NULL) { *normal = volumeDirectionToAgent(n); (*normal).normVec(); } if (bi_normal != NULL) { *bi_normal = volumeDirectionToAgent(bn); (*bi_normal).normVec(); } if (tex_coord != NULL) { *tex_coord = tc; } ret = TRUE; } } } } return ret; } U32 LLVOVolume::getPartitionType() const { if (isHUDAttachment()) { return LLViewerRegion::PARTITION_HUD; } return LLViewerRegion::PARTITION_VOLUME; } LLVolumePartition::LLVolumePartition() : LLSpatialPartition(LLVOVolume::VERTEX_DATA_MASK, FALSE) { mLODPeriod = 16; mDepthMask = FALSE; mDrawableType = LLPipeline::RENDER_TYPE_VOLUME; mPartitionType = LLViewerRegion::PARTITION_VOLUME; mSlopRatio = 0.25f; mBufferUsage = GL_DYNAMIC_DRAW_ARB; } LLVolumeBridge::LLVolumeBridge(LLDrawable* drawablep) : LLSpatialBridge(drawablep, LLVOVolume::VERTEX_DATA_MASK) { mDepthMask = FALSE; mLODPeriod = 16; mDrawableType = LLPipeline::RENDER_TYPE_VOLUME; mPartitionType = LLViewerRegion::PARTITION_BRIDGE; mBufferUsage = GL_DYNAMIC_DRAW_ARB; mSlopRatio = 0.25f; } void LLVolumeGeometryManager::registerFace(LLSpatialGroup* group, LLFace* facep, U32 type) { LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION); if (facep->getViewerObject()->isSelected() && LLSelectMgr::getInstance()->mHideSelectedObjects) { return; } //add face to drawmap LLSpatialGroup::drawmap_elem_t& draw_vec = group->mDrawMap[type]; S32 idx = draw_vec.size()-1; BOOL fullbright = (type == LLRenderPass::PASS_FULLBRIGHT || type == LLRenderPass::PASS_ALPHA) ? facep->isState(LLFace::FULLBRIGHT) : FALSE; const LLMatrix4* tex_mat = NULL; if (facep->isState(LLFace::TEXTURE_ANIM) && facep->getVirtualSize() > MIN_TEX_ANIM_SIZE) { tex_mat = facep->mTextureMatrix; } const LLMatrix4* model_mat = NULL; LLDrawable* drawable = facep->getDrawable(); if (drawable->isActive()) { model_mat = &(drawable->getRenderMatrix()); } else { model_mat = &(drawable->getRegion()->mRenderMatrix); } U8 bump = (type == LLRenderPass::PASS_BUMP ? facep->getTextureEntry()->getBumpmap() : 0); LLViewerImage* tex = facep->getTexture(); U8 glow = 0; if (type == LLRenderPass::PASS_GLOW) { glow = (U8) (facep->getTextureEntry()->getGlow() * 255); } if (facep->mVertexBuffer.isNull()) { llerrs << "WTF?" << llendl; } if (idx >= 0 && draw_vec[idx]->mVertexBuffer == facep->mVertexBuffer && draw_vec[idx]->mEnd == facep->getGeomIndex()-1 && (LLPipeline::sTextureBindTest || draw_vec[idx]->mTexture == tex) && #if LL_DARWIN draw_vec[idx]->mEnd - draw_vec[idx]->mStart + facep->getGeomCount() <= (U32) gGLManager.mGLMaxVertexRange && draw_vec[idx]->mCount + facep->getIndicesCount() <= (U32) gGLManager.mGLMaxIndexRange && #endif draw_vec[idx]->mGlowColor.mV[3] == glow && draw_vec[idx]->mFullbright == fullbright && draw_vec[idx]->mBump == bump && draw_vec[idx]->mTextureMatrix == tex_mat && draw_vec[idx]->mModelMatrix == model_mat) { draw_vec[idx]->mCount += facep->getIndicesCount(); draw_vec[idx]->mEnd += facep->getGeomCount(); draw_vec[idx]->mVSize = llmax(draw_vec[idx]->mVSize, facep->getVirtualSize()); validate_draw_info(*draw_vec[idx]); update_min_max(draw_vec[idx]->mExtents[0], draw_vec[idx]->mExtents[1], facep->mExtents[0]); update_min_max(draw_vec[idx]->mExtents[0], draw_vec[idx]->mExtents[1], facep->mExtents[1]); } else { U32 start = facep->getGeomIndex(); U32 end = start + facep->getGeomCount()-1; U32 offset = facep->getIndicesStart(); U32 count = facep->getIndicesCount(); LLPointer draw_info = new LLDrawInfo(start,end,count,offset,tex, facep->mVertexBuffer, fullbright, bump); draw_info->mGroup = group; draw_info->mVSize = facep->getVirtualSize(); draw_vec.push_back(draw_info); draw_info->mTextureMatrix = tex_mat; draw_info->mModelMatrix = model_mat; draw_info->mGlowColor.setVec(0,0,0,glow); if (type == LLRenderPass::PASS_ALPHA) { //for alpha sorting facep->setDrawInfo(draw_info); } draw_info->mExtents[0] = facep->mExtents[0]; draw_info->mExtents[1] = facep->mExtents[1]; validate_draw_info(*draw_info); } } void LLVolumeGeometryManager::getGeometry(LLSpatialGroup* group) { } void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group) { if (LLPipeline::sSkipUpdate) { return; } if (group->changeLOD()) { group->mLastUpdateDistance = group->mDistance; } group->mLastUpdateViewAngle = group->mViewAngle; if (!group->isState(LLSpatialGroup::GEOM_DIRTY | LLSpatialGroup::ALPHA_DIRTY)) { if (group->isState(LLSpatialGroup::MESH_DIRTY) && !LLPipeline::sDelayVBUpdate) { LLFastTimer ftm(LLFastTimer::FTM_REBUILD_VBO); LLFastTimer ftm2(LLFastTimer::FTM_REBUILD_VOLUME_VB); rebuildMesh(group); } return; } group->mBuilt = 1.f; LLFastTimer ftm(LLFastTimer::FTM_REBUILD_VBO); LLFastTimer ftm2(LLFastTimer::FTM_REBUILD_VOLUME_VB); group->clearDrawMap(); mFaceList.clear(); std::vector fullbright_faces; std::vector bump_faces; std::vector simple_faces; std::vector alpha_faces; U32 useage = group->mSpatialPartition->mBufferUsage; U32 max_vertices = (gSavedSettings.getS32("RenderMaxVBOSize")*1024)/LLVertexBuffer::calcStride(group->mSpatialPartition->mVertexDataMask); U32 max_total = (gSavedSettings.getS32("RenderMaxNodeSize")*1024)/LLVertexBuffer::calcStride(group->mSpatialPartition->mVertexDataMask); max_vertices = llmin(max_vertices, (U32) 65535); U32 cur_total = 0; //get all the faces into a list for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter) { LLDrawable* drawablep = *drawable_iter; if (drawablep->isDead() || drawablep->isState(LLDrawable::FORCE_INVISIBLE) ) { continue; } if (drawablep->isAnimating()) { //fall back to stream draw for animating verts useage = GL_STREAM_DRAW_ARB; } LLVOVolume* vobj = drawablep->getVOVolume(); llassert_always(vobj); vobj->updateTextures(); vobj->preRebuild(); //for each face for (S32 i = 0; i < drawablep->getNumFaces(); i++) { //sum up face verts and indices drawablep->updateFaceSize(i); LLFace* facep = drawablep->getFace(i); if (cur_total > max_total) { facep->mVertexBuffer = NULL; facep->mLastVertexBuffer = NULL; continue; } cur_total += facep->getGeomCount(); if (facep->hasGeometry() && facep->mPixelArea > FORCE_CULL_AREA) { const LLTextureEntry* te = facep->getTextureEntry(); LLViewerImage* tex = facep->getTexture(); if (facep->isState(LLFace::TEXTURE_ANIM)) { if (!vobj->mTexAnimMode) { facep->clearState(LLFace::TEXTURE_ANIM); } } BOOL force_simple = (facep->mPixelArea < FORCE_SIMPLE_RENDER_AREA); U32 type = gPipeline.getPoolTypeFromTE(te, tex); if (type != LLDrawPool::POOL_ALPHA && force_simple) { type = LLDrawPool::POOL_SIMPLE; } facep->setPoolType(type); if (vobj->isHUDAttachment()) { facep->setState(LLFace::FULLBRIGHT); } if (vobj->mTextureAnimp && vobj->mTexAnimMode) { if (vobj->mTextureAnimp->mFace <= -1) { S32 face; for (face = 0; face < vobj->getNumTEs(); face++) { drawablep->getFace(face)->setState(LLFace::TEXTURE_ANIM); } } else if (vobj->mTextureAnimp->mFace < vobj->getNumTEs()) { drawablep->getFace(vobj->mTextureAnimp->mFace)->setState(LLFace::TEXTURE_ANIM); } } if (type == LLDrawPool::POOL_ALPHA) { if (LLPipeline::sFastAlpha && (te->getColor().mV[VW] == 1.0f) && facep->getTexture()->getIsAlphaMask()) { //can be treated as alpha mask simple_faces.push_back(facep); } else { alpha_faces.push_back(facep); } } else { if (drawablep->isState(LLDrawable::REBUILD_VOLUME)) { facep->mLastUpdateTime = gFrameTimeSeconds; } if (gPipeline.canUseWindLightShadersOnObjects() && LLPipeline::sRenderBump) { if (te->getBumpmap()) { //needs normal + binormal bump_faces.push_back(facep); } else if (te->getShiny() || !te->getFullbright()) { //needs normal simple_faces.push_back(facep); } else { //doesn't need normal facep->setState(LLFace::FULLBRIGHT); fullbright_faces.push_back(facep); } } else { if (te->getBumpmap() && LLPipeline::sRenderBump) { //needs normal + binormal bump_faces.push_back(facep); } else if (te->getShiny() && LLPipeline::sRenderBump || !te->getFullbright()) { //needs normal simple_faces.push_back(facep); } else { //doesn't need normal facep->setState(LLFace::FULLBRIGHT); fullbright_faces.push_back(facep); } } } } else { //face has no renderable geometry facep->mVertexBuffer = NULL; facep->mLastVertexBuffer = NULL; } } } group->mBufferUsage = useage; //PROCESS NON-ALPHA FACES U32 simple_mask = LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_COLOR; U32 alpha_mask = simple_mask | 0x80000000; //hack to give alpha verts their own VBO U32 bump_mask = LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_TEXCOORD1 | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_COLOR; U32 fullbright_mask = LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_COLOR; if (LLPipeline::sRenderDeferred) { bump_mask |= LLVertexBuffer::MAP_BINORMAL; } genDrawInfo(group, simple_mask, simple_faces); genDrawInfo(group, bump_mask, bump_faces); genDrawInfo(group, fullbright_mask, fullbright_faces); genDrawInfo(group, alpha_mask, alpha_faces, TRUE); if (!LLPipeline::sDelayVBUpdate) { //drawables have been rebuilt, clear rebuild status for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter) { LLDrawable* drawablep = *drawable_iter; drawablep->clearState(LLDrawable::REBUILD_ALL); } } group->mLastUpdateTime = gFrameTimeSeconds; group->mBuilt = 1.f; group->clearState(LLSpatialGroup::GEOM_DIRTY | LLSpatialGroup::ALPHA_DIRTY); if (LLPipeline::sDelayVBUpdate) { group->setState(LLSpatialGroup::MESH_DIRTY); } mFaceList.clear(); } void LLVolumeGeometryManager::rebuildMesh(LLSpatialGroup* group) { if (group->isState(LLSpatialGroup::MESH_DIRTY)) { S32 num_mapped_veretx_buffer = LLVertexBuffer::sMappedCount ; group->mBuilt = 1.f; for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter) { LLDrawable* drawablep = *drawable_iter; if (drawablep->isDead() || drawablep->isState(LLDrawable::FORCE_INVISIBLE) ) { continue; } if (drawablep->isState(LLDrawable::REBUILD_ALL)) { LLVOVolume* vobj = drawablep->getVOVolume(); vobj->preRebuild(); LLVolume* volume = vobj->getVolume(); for (S32 i = 0; i < drawablep->getNumFaces(); ++i) { LLFace* face = drawablep->getFace(i); if (face && face->mVertexBuffer.notNull()) { face->getGeometryVolume(*volume, face->getTEOffset(), vobj->getRelativeXform(), vobj->getRelativeXformInvTrans(), face->getGeomIndex()); } } drawablep->clearState(LLDrawable::REBUILD_ALL); } } //unmap all the buffers for (LLSpatialGroup::buffer_map_t::iterator i = group->mBufferMap.begin(); i != group->mBufferMap.end(); ++i) { LLSpatialGroup::buffer_texture_map_t& map = i->second; for (LLSpatialGroup::buffer_texture_map_t::iterator j = map.begin(); j != map.end(); ++j) { LLSpatialGroup::buffer_list_t& list = j->second; for (LLSpatialGroup::buffer_list_t::iterator k = list.begin(); k != list.end(); ++k) { LLVertexBuffer* buffer = *k; if (buffer->isLocked()) { buffer->setBuffer(0); } } } } // don't forget alpha if( group != NULL && !group->mVertexBuffer.isNull() && group->mVertexBuffer->isLocked()) { group->mVertexBuffer->setBuffer(0); } //if not all buffers are unmapped if(num_mapped_veretx_buffer != LLVertexBuffer::sMappedCount) { llwarns << "Not all mapped vertex buffers are unmapped!" << llendl ; for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter) { LLDrawable* drawablep = *drawable_iter; for (S32 i = 0; i < drawablep->getNumFaces(); ++i) { LLFace* face = drawablep->getFace(i); if (face && face->mVertexBuffer.notNull() && face->mVertexBuffer->isLocked()) { face->mVertexBuffer->setBuffer(0) ; } } } } group->clearState(LLSpatialGroup::MESH_DIRTY); } } void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::vector& faces, BOOL distance_sort) { //calculate maximum number of vertices to store in a single buffer U32 max_vertices = (gSavedSettings.getS32("RenderMaxVBOSize")*1024)/LLVertexBuffer::calcStride(group->mSpatialPartition->mVertexDataMask); max_vertices = llmin(max_vertices, (U32) 65535); if (!distance_sort) { //sort faces by things that break batches std::sort(faces.begin(), faces.end(), LLFace::CompareBatchBreaker()); } else { //sort faces by distance std::sort(faces.begin(), faces.end(), LLFace::CompareDistanceGreater()); } std::vector::iterator face_iter = faces.begin(); LLSpatialGroup::buffer_map_t buffer_map; LLViewerImage* last_tex = NULL; S32 buffer_index = 0; if (distance_sort) { buffer_index = -1; } while (face_iter != faces.end()) { //pull off next face LLFace* facep = *face_iter; LLViewerImage* tex = facep->getTexture(); if (distance_sort) { tex = NULL; } if (last_tex == tex) { buffer_index++; } else { last_tex = tex; buffer_index = 0; } U32 index_count = facep->getIndicesCount(); U32 geom_count = facep->getGeomCount(); //sum up vertices needed for this texture std::vector::iterator i = face_iter; ++i; while (i != faces.end() && (LLPipeline::sTextureBindTest || (distance_sort || (*i)->getTexture() == tex))) { facep = *i; if (geom_count + facep->getGeomCount() > max_vertices) { //cut vertex buffers on geom count too big break; } ++i; index_count += facep->getIndicesCount(); geom_count += facep->getGeomCount(); } //create/delete/resize vertex buffer if needed LLVertexBuffer* buffer = NULL; LLSpatialGroup::buffer_texture_map_t::iterator found_iter = group->mBufferMap[mask].find(tex); if (found_iter != group->mBufferMap[mask].end()) { if ((U32) buffer_index < found_iter->second.size()) { buffer = found_iter->second[buffer_index]; } } if (!buffer) { //create new buffer if needed buffer = createVertexBuffer(mask, group->mBufferUsage); buffer->allocateBuffer(geom_count, index_count, TRUE); } else { if (LLVertexBuffer::sEnableVBOs && buffer->getUsage() != group->mBufferUsage) { buffer = createVertexBuffer(group->mSpatialPartition->mVertexDataMask, group->mBufferUsage); buffer->allocateBuffer(geom_count, index_count, TRUE); } else { buffer->resizeBuffer(geom_count, index_count); } } buffer_map[mask][tex].push_back(buffer); //add face geometry U32 indices_index = 0; U16 index_offset = 0; while (face_iter < i) { facep = *face_iter; facep->mIndicesIndex = indices_index; facep->mGeomIndex = index_offset; facep->mVertexBuffer = buffer; { facep->updateRebuildFlags(); if (!LLPipeline::sDelayVBUpdate) { LLDrawable* drawablep = facep->getDrawable(); LLVOVolume* vobj = drawablep->getVOVolume(); LLVolume* volume = vobj->getVolume(); U32 te_idx = facep->getTEOffset(); if (facep->getGeometryVolume(*volume, te_idx, vobj->getRelativeXform(), vobj->getRelativeXformInvTrans(), index_offset)) { buffer->markDirty(facep->getGeomIndex(), facep->getGeomCount(), facep->getIndicesStart(), facep->getIndicesCount()); } } } index_offset += facep->getGeomCount(); indices_index += facep->mIndicesCount; BOOL force_simple = facep->mPixelArea < FORCE_SIMPLE_RENDER_AREA; BOOL fullbright = facep->isState(LLFace::FULLBRIGHT); const LLTextureEntry* te = facep->getTextureEntry(); BOOL is_alpha = facep->getPoolType() == LLDrawPool::POOL_ALPHA ? TRUE : FALSE; if (is_alpha) { // can we safely treat this as an alpha mask? if (LLPipeline::sFastAlpha && (te->getColor().mV[VW] == 1.0f) && facep->getTexture()->getIsAlphaMask()) { if (te->getFullbright()) { registerFace(group, facep, LLRenderPass::PASS_FULLBRIGHT_ALPHA_MASK); } else { registerFace(group, facep, LLRenderPass::PASS_ALPHA_MASK); } } else { registerFace(group, facep, LLRenderPass::PASS_ALPHA); } if (LLPipeline::sRenderDeferred) { registerFace(group, facep, LLRenderPass::PASS_ALPHA_SHADOW); } } else if (gPipeline.canUseVertexShaders() && LLPipeline::sRenderBump && te->getShiny()) { if (tex->getPrimaryFormat() == GL_ALPHA) { registerFace(group, facep, LLRenderPass::PASS_INVISI_SHINY); registerFace(group, facep, LLRenderPass::PASS_INVISIBLE); } else if (LLPipeline::sRenderDeferred) { if (te->getBumpmap()) { registerFace(group, facep, LLRenderPass::PASS_BUMP); } else if (te->getFullbright()) { registerFace(group, facep, LLRenderPass::PASS_FULLBRIGHT_SHINY); } else { llassert(mask & LLVertexBuffer::MAP_NORMAL); registerFace(group, facep, LLRenderPass::PASS_SIMPLE); } } else if (fullbright) { registerFace(group, facep, LLRenderPass::PASS_FULLBRIGHT_SHINY); } else { registerFace(group, facep, LLRenderPass::PASS_SHINY); } } else { if (!is_alpha && tex->getPrimaryFormat() == GL_ALPHA) { registerFace(group, facep, LLRenderPass::PASS_INVISIBLE); } else if (fullbright) { registerFace(group, facep, LLRenderPass::PASS_FULLBRIGHT); } else { if (LLPipeline::sRenderDeferred && te->getBumpmap()) { registerFace(group, facep, LLRenderPass::PASS_BUMP); } else { llassert(mask & LLVertexBuffer::MAP_NORMAL); registerFace(group, facep, LLRenderPass::PASS_SIMPLE); } } if (!is_alpha && te->getShiny()) { registerFace(group, facep, LLRenderPass::PASS_SHINY); } } if (!is_alpha && !LLPipeline::sRenderDeferred) { llassert((mask & LLVertexBuffer::MAP_NORMAL) || fullbright); facep->setPoolType((fullbright) ? LLDrawPool::POOL_FULLBRIGHT : LLDrawPool::POOL_SIMPLE); if (!force_simple && te->getBumpmap()) { registerFace(group, facep, LLRenderPass::PASS_BUMP); } } if (LLPipeline::sRenderGlow && te->getGlow() > 0.f) { registerFace(group, facep, LLRenderPass::PASS_GLOW); } ++face_iter; } buffer->setBuffer(0); } group->mBufferMap[mask].clear(); for (LLSpatialGroup::buffer_texture_map_t::iterator i = buffer_map[mask].begin(); i != buffer_map[mask].end(); ++i) { group->mBufferMap[mask][i->first] = i->second; } } void LLGeometryManager::addGeometryCount(LLSpatialGroup* group, U32 &vertex_count, U32 &index_count) { //initialize to default usage for this partition U32 usage = group->mSpatialPartition->mBufferUsage; //clear off any old faces mFaceList.clear(); //for each drawable for (LLSpatialGroup::element_iter drawable_iter = group->getData().begin(); drawable_iter != group->getData().end(); ++drawable_iter) { LLDrawable* drawablep = *drawable_iter; if (drawablep->isDead()) { continue; } if (drawablep->isAnimating()) { //fall back to stream draw for animating verts usage = GL_STREAM_DRAW_ARB; } //for each face for (S32 i = 0; i < drawablep->getNumFaces(); i++) { //sum up face verts and indices drawablep->updateFaceSize(i); LLFace* facep = drawablep->getFace(i); if (facep->hasGeometry() && facep->mPixelArea > FORCE_CULL_AREA) { vertex_count += facep->getGeomCount(); index_count += facep->getIndicesCount(); //remember face (for sorting) mFaceList.push_back(facep); } else { facep->mVertexBuffer = NULL; facep->mLastVertexBuffer = NULL; } } } group->mBufferUsage = usage; } LLHUDPartition::LLHUDPartition() { mPartitionType = LLViewerRegion::PARTITION_HUD; mDrawableType = LLPipeline::RENDER_TYPE_HUD; mSlopRatio = 0.f; mLODPeriod = 16; } void LLHUDPartition::shift(const LLVector3 &offset) { //HUD objects don't shift with region crossing. That would be silly. }