/** * @file llface.cpp * @brief LLFace class implementation * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #include "llviewerprecompiledheaders.h" #include "lldrawable.h" // lldrawable needs to be included before llface #include "llface.h" #include "llviewertextureanim.h" #include "llviewercontrol.h" #include "llvolume.h" #include "m3math.h" #include "llmatrix4a.h" #include "v3color.h" #include "lldefs.h" #include "lldrawpoolavatar.h" #include "lldrawpoolbump.h" #include "llgl.h" #include "llrender.h" #include "lllightconstants.h" #include "llsky.h" #include "llviewercamera.h" #include "llviewertexturelist.h" #include "llvopartgroup.h" #include "llvosky.h" #include "llvovolume.h" #include "pipeline.h" #include "llviewerregion.h" #include "llviewerwindow.h" #include "llviewershadermgr.h" #include "llviewertexture.h" #include "llvoavatar.h" #include "llsculptidsize.h" #include "llmeshrepository.h" #if LL_LINUX // Work-around spurious used before init warning on Vector4a // #pragma GCC diagnostic ignored "-Wuninitialized" #endif extern BOOL gGLDebugLoggingEnabled; #define LL_MAX_INDICES_COUNT 1000000 static LLStaticHashedString sTextureIndexIn("texture_index_in"); static LLStaticHashedString sColorIn("color_in"); BOOL LLFace::sSafeRenderSelect = TRUE; // FALSE #define DOTVEC(a,b) (a.mV[0]*b.mV[0] + a.mV[1]*b.mV[1] + a.mV[2]*b.mV[2]) /* For each vertex, given: B - binormal T - tangent N - normal P - position The resulting texture coordinate is: u = 2(B dot P) v = 2(T dot P) */ void planarProjection(LLVector2 &tc, const LLVector4a& normal, const LLVector4a ¢er, const LLVector4a& vec) { LLVector4a binormal; F32 d = normal[0]; if (d >= 0.5f || d <= -0.5f) { if (d < 0) { binormal.set(0,-1,0); } else { binormal.set(0, 1, 0); } } else { if (normal[1] > 0) { binormal.set(-1,0,0); } else { binormal.set(1,0,0); } } LLVector4a tangent; tangent.setCross3(binormal,normal); tc.mV[1] = -((tangent.dot3(vec).getF32())*2 - 0.5f); tc.mV[0] = 1.0f+((binormal.dot3(vec).getF32())*2 - 0.5f); } //////////////////// // // LLFace implementation // void LLFace::init(LLDrawable* drawablep, LLViewerObject* objp) { LL_PROFILE_ZONE_SCOPED_CATEGORY_FACE; mLastUpdateTime = gFrameTimeSeconds; mLastMoveTime = 0.f; mLastSkinTime = gFrameTimeSeconds; mVSize = 0.f; mPixelArea = 16.f; mState = GLOBAL; mDrawPoolp = NULL; mPoolType = 0; mCenterLocal = objp->getPosition(); mCenterAgent = drawablep->getPositionAgent(); mDistance = 0.f; mGeomCount = 0; mGeomIndex = 0; mIndicesCount = 0; //special value to indicate uninitialized position mIndicesIndex = 0xFFFFFFFF; for (U32 i = 0; i < LLRender::NUM_TEXTURE_CHANNELS; ++i) { mIndexInTex[i] = 0; mTexture[i] = NULL; } mTEOffset = -1; mTextureIndex = FACE_DO_NOT_BATCH_TEXTURES; setDrawable(drawablep); mVObjp = objp; mReferenceIndex = -1; mTextureMatrix = NULL; mDrawInfo = NULL; mFaceColor = LLColor4(1,0,0,1); mImportanceToCamera = 0.f ; mBoundingSphereRadius = 0.0f ; mHasMedia = false ; mIsMediaAllowed = true; } void LLFace::destroy() { if (gDebugGL) { gPipeline.checkReferences(this); } for (U32 i = 0; i < LLRender::NUM_TEXTURE_CHANNELS; ++i) { if(mTexture[i].notNull()) { mTexture[i]->removeFace(i, this) ; mTexture[i] = NULL; } } if (isState(LLFace::PARTICLE)) { LLVOPartGroup::freeVBSlot(getGeomIndex()/4); clearState(LLFace::PARTICLE); } if (mDrawPoolp) { mDrawPoolp->removeFace(this); mDrawPoolp = NULL; } if (mTextureMatrix) { delete mTextureMatrix; mTextureMatrix = NULL; if (mDrawablep) { LLSpatialGroup* group = mDrawablep->getSpatialGroup(); if (group) { group->dirtyGeom(); gPipeline.markRebuild(group, TRUE); } } } setDrawInfo(NULL); mDrawablep = NULL; mVObjp = NULL; } void LLFace::setWorldMatrix(const LLMatrix4 &mat) { LL_ERRS() << "Faces on this drawable are not independently modifiable\n" << LL_ENDL; } void LLFace::setPool(LLFacePool* pool) { mDrawPoolp = pool; } void LLFace::setPool(LLFacePool* new_pool, LLViewerTexture *texturep) { LL_PROFILE_ZONE_SCOPED_CATEGORY_FACE if (!new_pool) { LL_ERRS() << "Setting pool to null!" << LL_ENDL; } if (new_pool != mDrawPoolp) { // Remove from old pool if (mDrawPoolp) { mDrawPoolp->removeFace(this); if (mDrawablep) { gPipeline.markRebuild(mDrawablep, LLDrawable::REBUILD_ALL, TRUE); } } mGeomIndex = 0; // Add to new pool if (new_pool) { new_pool->addFace(this); } mDrawPoolp = new_pool; } setTexture(texturep) ; } void LLFace::setTexture(U32 ch, LLViewerTexture* tex) { llassert(ch < LLRender::NUM_TEXTURE_CHANNELS); if(mTexture[ch] == tex) { return ; } if(mTexture[ch].notNull()) { mTexture[ch]->removeFace(ch, this) ; } if(tex) { tex->addFace(ch, this) ; } mTexture[ch] = tex ; } void LLFace::setTexture(LLViewerTexture* tex) { setDiffuseMap(tex); } void LLFace::setDiffuseMap(LLViewerTexture* tex) { setTexture(LLRender::DIFFUSE_MAP, tex); } void LLFace::setAlternateDiffuseMap(LLViewerTexture* tex) { setTexture(LLRender::ALTERNATE_DIFFUSE_MAP, tex); } void LLFace::setNormalMap(LLViewerTexture* tex) { setTexture(LLRender::NORMAL_MAP, tex); } void LLFace::setSpecularMap(LLViewerTexture* tex) { setTexture(LLRender::SPECULAR_MAP, tex); } void LLFace::dirtyTexture() { LL_PROFILE_ZONE_SCOPED_CATEGORY_FACE LLDrawable* drawablep = getDrawable(); if (mVObjp.notNull() && mVObjp->getVolume()) { for (U32 ch = 0; ch < LLRender::NUM_TEXTURE_CHANNELS; ++ch) { if (mTexture[ch].notNull() && mTexture[ch]->getComponents() == 4) { //dirty texture on an alpha object should be treated as an LoD update LLVOVolume* vobj = drawablep->getVOVolume(); if (vobj) { vobj->mLODChanged = TRUE; vobj->updateVisualComplexity(); } gPipeline.markRebuild(drawablep, LLDrawable::REBUILD_VOLUME, FALSE); } } } gPipeline.markTextured(drawablep); } void LLFace::notifyAboutCreatingTexture(LLViewerTexture *texture) { LLDrawable* drawablep = getDrawable(); if(mVObjp.notNull() && mVObjp->getVolume()) { LLVOVolume *vobj = drawablep->getVOVolume(); if(vobj && vobj->notifyAboutCreatingTexture(texture)) { gPipeline.markTextured(drawablep); gPipeline.markRebuild(drawablep, LLDrawable::REBUILD_VOLUME); } } } void LLFace::notifyAboutMissingAsset(LLViewerTexture *texture) { LLDrawable* drawablep = getDrawable(); if(mVObjp.notNull() && mVObjp->getVolume()) { LLVOVolume *vobj = drawablep->getVOVolume(); if(vobj && vobj->notifyAboutMissingAsset(texture)) { gPipeline.markTextured(drawablep); gPipeline.markRebuild(drawablep, LLDrawable::REBUILD_VOLUME); } } } void LLFace::switchTexture(U32 ch, LLViewerTexture* new_texture) { llassert(ch < LLRender::NUM_TEXTURE_CHANNELS); if(mTexture[ch] == new_texture) { return ; } if(!new_texture) { LL_ERRS() << "Can not switch to a null texture." << LL_ENDL; return; } llassert(mTexture[ch].notNull()); new_texture->addTextureStats(mTexture[ch]->getMaxVirtualSize()) ; if (ch == LLRender::DIFFUSE_MAP) { getViewerObject()->changeTEImage(mTEOffset, new_texture) ; } setTexture(ch, new_texture) ; dirtyTexture(); } void LLFace::setTEOffset(const S32 te_offset) { mTEOffset = te_offset; } void LLFace::setFaceColor(const LLColor4& color) { mFaceColor = color; setState(USE_FACE_COLOR); } void LLFace::unsetFaceColor() { clearState(USE_FACE_COLOR); } void LLFace::setDrawable(LLDrawable *drawable) { mDrawablep = drawable; mXform = &drawable->mXform; } void LLFace::setSize(S32 num_vertices, S32 num_indices, bool align) { if (align) { //allocate vertices in blocks of 4 for alignment num_vertices = (num_vertices + 0x3) & ~0x3; } if (mGeomCount != num_vertices || mIndicesCount != num_indices) { mGeomCount = num_vertices; mIndicesCount = num_indices; mVertexBuffer = NULL; } llassert(verify()); } void LLFace::setGeomIndex(U16 idx) { if (mGeomIndex != idx) { mGeomIndex = idx; mVertexBuffer = NULL; } } void LLFace::setTextureIndex(U8 index) { if (index != mTextureIndex) { mTextureIndex = index; if (mTextureIndex != FACE_DO_NOT_BATCH_TEXTURES) { mDrawablep->setState(LLDrawable::REBUILD_POSITION); } else { if (mDrawInfo && !mDrawInfo->mTextureList.empty()) { LL_ERRS() << "Face with no texture index references indexed texture draw info." << LL_ENDL; } } } } void LLFace::setIndicesIndex(S32 idx) { if (mIndicesIndex != idx) { mIndicesIndex = idx; mVertexBuffer = NULL; } } //============================================================================ U16 LLFace::getGeometryAvatar( LLStrider &vertices, LLStrider &normals, LLStrider &tex_coords, LLStrider &vertex_weights, LLStrider &clothing_weights) { if (mVertexBuffer.notNull()) { mVertexBuffer->getVertexStrider (vertices, mGeomIndex, mGeomCount); mVertexBuffer->getNormalStrider (normals, mGeomIndex, mGeomCount); mVertexBuffer->getTexCoord0Strider (tex_coords, mGeomIndex, mGeomCount); mVertexBuffer->getWeightStrider(vertex_weights, mGeomIndex, mGeomCount); mVertexBuffer->getClothWeightStrider(clothing_weights, mGeomIndex, mGeomCount); } return mGeomIndex; } U16 LLFace::getGeometry(LLStrider &vertices, LLStrider &normals, LLStrider &tex_coords, LLStrider &indicesp) { if (mVertexBuffer.notNull()) { mVertexBuffer->getVertexStrider(vertices, mGeomIndex, mGeomCount); if (mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_NORMAL)) { mVertexBuffer->getNormalStrider(normals, mGeomIndex, mGeomCount); } if (mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_TEXCOORD0)) { mVertexBuffer->getTexCoord0Strider(tex_coords, mGeomIndex, mGeomCount); } mVertexBuffer->getIndexStrider(indicesp, mIndicesIndex, mIndicesCount); } return mGeomIndex; } void LLFace::updateCenterAgent() { if (mDrawablep->isActive()) { mCenterAgent = mCenterLocal * getRenderMatrix(); } else { mCenterAgent = mCenterLocal; } } void LLFace::renderSelected(LLViewerTexture *imagep, const LLColor4& color) { LL_PROFILE_ZONE_SCOPED_CATEGORY_FACE if (mDrawablep == NULL || mDrawablep->getSpatialGroup() == NULL) { return; } mDrawablep->getSpatialGroup()->rebuildGeom(); mDrawablep->getSpatialGroup()->rebuildMesh(); if(mVertexBuffer.isNull()) { return; } if (mGeomCount > 0 && mIndicesCount > 0) { gGL.getTexUnit(0)->bind(imagep); gGL.pushMatrix(); if (mDrawablep->isActive()) { gGL.multMatrix((GLfloat*)mDrawablep->getRenderMatrix().mMatrix); } else { gGL.multMatrix((GLfloat*)mDrawablep->getRegion()->mRenderMatrix.mMatrix); } gGL.diffuseColor4fv(color.mV); if (mDrawablep->isState(LLDrawable::RIGGED)) { LLVOVolume* volume = mDrawablep->getVOVolume(); if (volume) { LLRiggedVolume* rigged = volume->getRiggedVolume(); if (rigged) { // called when selecting a face during edit of a mesh object LLGLEnable offset(GL_POLYGON_OFFSET_FILL); glPolygonOffset(-1.f, -1.f); gGL.multMatrix((F32*) volume->getRelativeXform().mMatrix); const LLVolumeFace& vol_face = rigged->getVolumeFace(getTEOffset()); LLVertexBuffer::unbind(); glVertexPointer(3, GL_FLOAT, 16, vol_face.mPositions); if (vol_face.mTexCoords) { glEnableClientState(GL_TEXTURE_COORD_ARRAY); glTexCoordPointer(2, GL_FLOAT, 8, vol_face.mTexCoords); } gGL.syncMatrices(); glDrawElements(GL_TRIANGLES, vol_face.mNumIndices, GL_UNSIGNED_SHORT, vol_face.mIndices); glDisableClientState(GL_TEXTURE_COORD_ARRAY); } } } else { // cheaters sometimes prosper... // mVertexBuffer->setBuffer(mVertexBuffer->getTypeMask()); mVertexBuffer->draw(LLRender::TRIANGLES, mIndicesCount, mIndicesIndex); } gGL.popMatrix(); } } void renderFace(LLDrawable* drawable, LLFace *face) { LL_PROFILE_ZONE_SCOPED_CATEGORY_FACE LLVOVolume* vobj = drawable->getVOVolume(); if (vobj) { LLVolume* volume = NULL; if (drawable->isState(LLDrawable::RIGGED)) { volume = vobj->getRiggedVolume(); } else { volume = vobj->getVolume(); } if (volume) { const LLVolumeFace& vol_face = volume->getVolumeFace(face->getTEOffset()); LLVertexBuffer::drawElements(LLRender::TRIANGLES, vol_face.mPositions, NULL, vol_face.mNumIndices, vol_face.mIndices); } } } void LLFace::renderOneWireframe(const LLColor4 &color, F32 fogCfx, bool wireframe_selection, bool bRenderHiddenSelections, bool shader) { if (bRenderHiddenSelections) { gGL.blendFunc(LLRender::BF_SOURCE_COLOR, LLRender::BF_ONE); LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE, GL_GEQUAL); if (shader) { gGL.diffuseColor4f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE], 0.4f); renderFace(mDrawablep, this); } else { LLGLEnable fog(GL_FOG); glFogi(GL_FOG_MODE, GL_LINEAR); float d = (LLViewerCamera::getInstance()->getPointOfInterest() - LLViewerCamera::getInstance()->getOrigin()).magVec(); LLColor4 fogCol = color * fogCfx; glFogf(GL_FOG_START, d); glFogf(GL_FOG_END, d*(1 + (LLViewerCamera::getInstance()->getView() / LLViewerCamera::getInstance()->getDefaultFOV()))); glFogfv(GL_FOG_COLOR, fogCol.mV); gGL.flush(); { gGL.diffuseColor4f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE], 0.4f); renderFace(mDrawablep, this); } } } gGL.flush(); gGL.setSceneBlendType(LLRender::BT_ALPHA); gGL.diffuseColor4f(color.mV[VRED] * 2, color.mV[VGREEN] * 2, color.mV[VBLUE] * 2, color.mV[VALPHA]); { LLGLDisable depth(wireframe_selection ? 0 : GL_BLEND); LLGLEnable stencil(wireframe_selection ? 0 : GL_STENCIL_TEST); if (!wireframe_selection) { //modify wireframe into outline selection mode glStencilFunc(GL_NOTEQUAL, 2, 0xffff); glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); } LLGLEnable offset(GL_POLYGON_OFFSET_LINE); glPolygonOffset(3.f, 3.f); glLineWidth(5.f); glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); renderFace(mDrawablep, this); } } /* removed in lieu of raycast uv detection void LLFace::renderSelectedUV() { LLViewerTexture* red_blue_imagep = LLViewerTextureManager::getFetchedTextureFromFile("uv_test1.j2c", TRUE, LLGLTexture::BOOST_UI); LLViewerTexture* green_imagep = LLViewerTextureManager::getFetchedTextureFromFile("uv_test2.tga", TRUE, LLGLTexture::BOOST_UI); LLGLSUVSelect object_select; // use red/blue gradient to get coarse UV coordinates renderSelected(red_blue_imagep, LLColor4::white); static F32 bias = 0.f; static F32 factor = -10.f; glPolygonOffset(factor, bias); // add green dither pattern on top of red/blue gradient gGL.blendFunc(LLRender::BF_ONE, LLRender::BF_ONE); gGL.matrixMode(LLRender::MM_TEXTURE); gGL.pushMatrix(); // make green pattern repeat once per texel in red/blue texture gGL.scalef(256.f, 256.f, 1.f); gGL.matrixMode(LLRender::MM_MODELVIEW); renderSelected(green_imagep, LLColor4::white); gGL.matrixMode(LLRender::MM_TEXTURE); gGL.popMatrix(); gGL.matrixMode(LLRender::MM_MODELVIEW); gGL.blendFunc(LLRender::BF_SOURCE_ALPHA, LLRender::BF_ONE_MINUS_SOURCE_ALPHA); } */ void LLFace::setDrawInfo(LLDrawInfo* draw_info) { if (draw_info) { if (draw_info->mFace) { draw_info->mFace->setDrawInfo(NULL); } draw_info->mFace = this; } if (mDrawInfo) { mDrawInfo->mFace = NULL; } mDrawInfo = draw_info; } void LLFace::printDebugInfo() const { LLFacePool *poolp = getPool(); LL_INFOS() << "Object: " << getViewerObject()->mID << LL_ENDL; if (getDrawable()) { LL_INFOS() << "Type: " << LLPrimitive::pCodeToString(getDrawable()->getVObj()->getPCode()) << LL_ENDL; } if (getTexture()) { LL_INFOS() << "Texture: " << getTexture() << " Comps: " << (U32)getTexture()->getComponents() << LL_ENDL; } else { LL_INFOS() << "No texture: " << LL_ENDL; } LL_INFOS() << "Face: " << this << LL_ENDL; LL_INFOS() << "State: " << getState() << LL_ENDL; LL_INFOS() << "Geom Index Data:" << LL_ENDL; LL_INFOS() << "--------------------" << LL_ENDL; LL_INFOS() << "GI: " << mGeomIndex << " Count:" << mGeomCount << LL_ENDL; LL_INFOS() << "Face Index Data:" << LL_ENDL; LL_INFOS() << "--------------------" << LL_ENDL; LL_INFOS() << "II: " << mIndicesIndex << " Count:" << mIndicesCount << LL_ENDL; LL_INFOS() << LL_ENDL; if (poolp) { poolp->printDebugInfo(); S32 pool_references = 0; for (std::vector::iterator iter = poolp->mReferences.begin(); iter != poolp->mReferences.end(); iter++) { LLFace *facep = *iter; if (facep == this) { LL_INFOS() << "Pool reference: " << pool_references << LL_ENDL; pool_references++; } } if (pool_references != 1) { LL_INFOS() << "Incorrect number of pool references!" << LL_ENDL; } } #if 0 LL_INFOS() << "Indices:" << LL_ENDL; LL_INFOS() << "--------------------" << LL_ENDL; const U32 *indicesp = getRawIndices(); S32 indices_count = getIndicesCount(); S32 geom_start = getGeomStart(); for (S32 i = 0; i < indices_count; i++) { LL_INFOS() << i << ":" << indicesp[i] << ":" << (S32)(indicesp[i] - geom_start) << LL_ENDL; } LL_INFOS() << LL_ENDL; LL_INFOS() << "Vertices:" << LL_ENDL; LL_INFOS() << "--------------------" << LL_ENDL; for (S32 i = 0; i < mGeomCount; i++) { LL_INFOS() << mGeomIndex + i << ":" << poolp->getVertex(mGeomIndex + i) << LL_ENDL; } LL_INFOS() << LL_ENDL; #endif } // Transform the texture coordinates for this face. static void xform(LLVector2 &tex_coord, F32 cosAng, F32 sinAng, F32 offS, F32 offT, F32 magS, F32 magT) { // New, good way F32 s = tex_coord.mV[0]; F32 t = tex_coord.mV[1]; // Texture transforms are done about the center of the face. s -= 0.5; t -= 0.5; // Handle rotation F32 temp = s; s = s * cosAng + t * sinAng; t = -temp * sinAng + t * cosAng; // Then scale s *= magS; t *= magT; // Then offset s += offS + 0.5f; t += offT + 0.5f; tex_coord.mV[0] = s; tex_coord.mV[1] = t; } // Transform the texture coordinates for this face. static void xform4a(LLVector4a &tex_coord, const LLVector4a& trans, const LLVector4Logical& mask, const LLVector4a& rot0, const LLVector4a& rot1, const LLVector4a& offset, const LLVector4a& scale) { //tex coord is two coords, LLVector4a st; // Texture transforms are done about the center of the face. st.setAdd(tex_coord, trans); // Handle rotation LLVector4a rot_st; // LLVector4a s0; s0.splat(st, 0); LLVector4a s1; s1.splat(st, 2); LLVector4a ss; ss.setSelectWithMask(mask, s1, s0); LLVector4a a; a.setMul(rot0, ss); // LLVector4a t0; t0.splat(st, 1); LLVector4a t1; t1.splat(st, 3); LLVector4a tt; tt.setSelectWithMask(mask, t1, t0); LLVector4a b; b.setMul(rot1, tt); st.setAdd(a,b); // Then scale st.mul(scale); // Then offset tex_coord.setAdd(st, offset); } bool less_than_max_mag(const LLVector4a& vec) { LLVector4a MAX_MAG; MAX_MAG.splat(1024.f*1024.f); LLVector4a val; val.setAbs(vec); S32 lt = val.lessThan(MAX_MAG).getGatheredBits() & 0x7; return lt == 0x7; } BOOL LLFace::genVolumeBBoxes(const LLVolume &volume, S32 f, const LLMatrix4& mat_vert_in, BOOL global_volume) { LL_PROFILE_ZONE_SCOPED_CATEGORY_FACE //get bounding box if (mDrawablep->isState(LLDrawable::REBUILD_VOLUME | LLDrawable::REBUILD_POSITION | LLDrawable::REBUILD_RIGGED)) { if (f >= volume.getNumVolumeFaces()) { LL_WARNS() << "Generating bounding box for invalid face index!" << LL_ENDL; f = 0; } const LLVolumeFace &face = volume.getVolumeFace(f); LL_DEBUGS("RiggedBox") << "updating extents for face " << f << " starting extents " << mExtents[0] << ", " << mExtents[1] << " starting vf extents " << face.mExtents[0] << ", " << face.mExtents[1] << " num verts " << face.mNumVertices << LL_ENDL; // MAINT-8264 - stray vertices, especially in low LODs, cause bounding box errors. if (face.mNumVertices < 3) { LL_DEBUGS("RiggedBox") << "skipping face " << f << ", bad num vertices " << face.mNumVertices << " " << face.mNumIndices << " " << face.mWeights << LL_ENDL; return FALSE; } //VECTORIZE THIS LLMatrix4a mat_vert; mat_vert.loadu(mat_vert_in); LLVector4a new_extents[2]; llassert(less_than_max_mag(face.mExtents[0])); llassert(less_than_max_mag(face.mExtents[1])); matMulBoundBox(mat_vert, face.mExtents, mExtents); LL_DEBUGS("RiggedBox") << "updated extents for face " << f << " bbox gave extents " << mExtents[0] << ", " << mExtents[1] << LL_ENDL; if (!mDrawablep->isActive()) { // Shift position for region LLVector4a offset; offset.load3(mDrawablep->getRegion()->getOriginAgent().mV); mExtents[0].add(offset); mExtents[1].add(offset); LL_DEBUGS("RiggedBox") << "updating extents for face " << f << " not active, added offset " << offset << LL_ENDL; } LL_DEBUGS("RiggedBox") << "updated extents for face " << f << " to " << mExtents[0] << ", " << mExtents[1] << LL_ENDL; LLVector4a t; t.setAdd(mExtents[0],mExtents[1]); t.mul(0.5f); mCenterLocal.set(t.getF32ptr()); t.setSub(mExtents[1],mExtents[0]); mBoundingSphereRadius = t.getLength3().getF32()*0.5f; updateCenterAgent(); } return TRUE; } // 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, const LLVector4a& position, const LLVector4a& 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; LLVector3 v_position(position.getF32ptr()); volume_position.load3(mDrawablep->getVOVolume()->agentPositionToVolume(v_position).mV); if (!mDrawablep->getVOVolume()->isVolumeGlobal()) { LLVector4a scale; scale.load3(mVObjp->getScale().mV); volume_position.mul(scale); } LLVector4a volume_normal; LLVector3 v_normal(normal.getF32ptr()); volume_normal.load3(mDrawablep->getVOVolume()->agentDirectionToVolume(v_normal).mV); volume_normal.normalize3fast(); if (texgen == LLTextureEntry::TEX_GEN_PLANAR) { planarProjection(tc, volume_normal, center, volume_position); } } 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; } // Returns scale compared to default texgen, and face orientation as calculated // by planarProjection(). This is needed to match planar texgen parameters. void LLFace::getPlanarProjectedParams(LLQuaternion* face_rot, LLVector3* face_pos, F32* scale) const { const LLMatrix4& vol_mat = getWorldMatrix(); const LLVolumeFace& vf = getViewerObject()->getVolume()->getVolumeFace(mTEOffset); const LLVector4a& normal4a = vf.mNormals[0]; const LLVector4a& tangent = vf.mTangents[0]; if (!&tangent) { return; } LLVector4a binormal4a; binormal4a.setCross3(normal4a, tangent); binormal4a.mul(tangent.getF32ptr()[3]); LLVector2 projected_binormal; planarProjection(projected_binormal, normal4a, *vf.mCenter, binormal4a); projected_binormal -= LLVector2(0.5f, 0.5f); // this normally happens in xform() *scale = projected_binormal.length(); // rotate binormal to match what planarProjection() thinks it is, // then find rotation from that: projected_binormal.normalize(); F32 ang = acos(projected_binormal.mV[VY]); ang = (projected_binormal.mV[VX] < 0.f) ? -ang : ang; //VECTORIZE THIS LLVector3 binormal(binormal4a.getF32ptr()); LLVector3 normal(normal4a.getF32ptr()); binormal.rotVec(ang, normal); LLQuaternion local_rot( binormal % normal, binormal, normal ); *face_rot = local_rot * vol_mat.quaternion(); *face_pos = vol_mat.getTranslation(); } // Returns the necessary texture transform to align this face's TE to align_to's TE bool LLFace::calcAlignedPlanarTE(const LLFace* align_to, LLVector2* res_st_offset, LLVector2* res_st_scale, F32* res_st_rot, LLRender::eTexIndex map) const { if (!align_to) { return false; } const LLTextureEntry *orig_tep = align_to->getTextureEntry(); if ((orig_tep->getTexGen() != LLTextureEntry::TEX_GEN_PLANAR) || (getTextureEntry()->getTexGen() != LLTextureEntry::TEX_GEN_PLANAR)) { return false; } F32 map_rot = 0.f, map_scaleS = 0.f, map_scaleT = 0.f, map_offsS = 0.f, map_offsT = 0.f; LLMaterial* mat = orig_tep->getMaterialParams(); if (!mat && map != LLRender::DIFFUSE_MAP) { LL_WARNS_ONCE("llface") << "Face is set to use specular or normal map but has no material, defaulting to diffuse" << LL_ENDL; map = LLRender::DIFFUSE_MAP; } switch (map) { case LLRender::DIFFUSE_MAP: map_rot = orig_tep->getRotation(); map_scaleS = orig_tep->mScaleS; map_scaleT = orig_tep->mScaleT; map_offsS = orig_tep->mOffsetS; map_offsT = orig_tep->mOffsetT; break; case LLRender::NORMAL_MAP: if (mat->getNormalID().isNull()) { return false; } map_rot = mat->getNormalRotation(); map_scaleS = mat->getNormalRepeatX(); map_scaleT = mat->getNormalRepeatY(); map_offsS = mat->getNormalOffsetX(); map_offsT = mat->getNormalOffsetY(); break; case LLRender::SPECULAR_MAP: if (mat->getSpecularID().isNull()) { return false; } map_rot = mat->getSpecularRotation(); map_scaleS = mat->getSpecularRepeatX(); map_scaleT = mat->getSpecularRepeatY(); map_offsS = mat->getSpecularOffsetX(); map_offsT = mat->getSpecularOffsetY(); break; default: /*make compiler happy*/ break; } LLVector3 orig_pos, this_pos; LLQuaternion orig_face_rot, this_face_rot; F32 orig_proj_scale, this_proj_scale; align_to->getPlanarProjectedParams(&orig_face_rot, &orig_pos, &orig_proj_scale); getPlanarProjectedParams(&this_face_rot, &this_pos, &this_proj_scale); // The rotation of "this face's" texture: LLQuaternion orig_st_rot = LLQuaternion(map_rot, LLVector3::z_axis) * orig_face_rot; LLQuaternion this_st_rot = orig_st_rot * ~this_face_rot; F32 x_ang, y_ang, z_ang; this_st_rot.getEulerAngles(&x_ang, &y_ang, &z_ang); *res_st_rot = z_ang; // Offset and scale of "this face's" texture: LLVector3 centers_dist = (this_pos - orig_pos) * ~orig_st_rot; LLVector3 st_scale(map_scaleS, map_scaleT, 1.f); st_scale *= orig_proj_scale; centers_dist.scaleVec(st_scale); LLVector2 orig_st_offset(map_offsS, map_offsT); *res_st_offset = orig_st_offset + (LLVector2)centers_dist; res_st_offset->mV[VX] -= (S32)res_st_offset->mV[VX]; res_st_offset->mV[VY] -= (S32)res_st_offset->mV[VY]; st_scale /= this_proj_scale; *res_st_scale = (LLVector2)st_scale; return true; } void LLFace::updateRebuildFlags() { if (mDrawablep->isState(LLDrawable::REBUILD_VOLUME)) { //this rebuild is zero overhead (direct consequence of some change that affects this face) mLastUpdateTime = gFrameTimeSeconds; } else { //this rebuild is overhead (side effect of some change that does not affect this face) mLastMoveTime = gFrameTimeSeconds; } } bool LLFace::canRenderAsMask() { if (LLPipeline::sNoAlpha) { return true; } if (isState(LLFace::RIGGED)) { // never auto alpha-mask rigged faces return false; } const LLTextureEntry* te = getTextureEntry(); if( !te || !getViewerObject() || !getTexture() ) { return false; } LLMaterial* mat = te->getMaterialParams(); if (mat && mat->getDiffuseAlphaMode() == LLMaterial::DIFFUSE_ALPHA_MODE_BLEND) { return false; } if ((te->getColor().mV[3] == 1.0f) && // can't treat as mask if we have face alpha (te->getGlow() == 0.f) && // glowing masks are hard to implement - don't mask getTexture()->getIsAlphaMask()) // texture actually qualifies for masking (lazily recalculated but expensive) { if (LLPipeline::sRenderDeferred) { if (getViewerObject()->isHUDAttachment() || te->getFullbright()) { //hud attachments and fullbright objects are NOT subject to the deferred rendering pipe return LLPipeline::sAutoMaskAlphaNonDeferred; } else { return LLPipeline::sAutoMaskAlphaDeferred; } } else { return LLPipeline::sAutoMaskAlphaNonDeferred; } } return false; } //static void LLFace::cacheFaceInVRAM(const LLVolumeFace& vf) { LL_PROFILE_ZONE_SCOPED_CATEGORY_FACE; U32 mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0 | LLVertexBuffer::MAP_TANGENT | LLVertexBuffer::MAP_NORMAL; if (vf.mWeights) { mask |= LLVertexBuffer::MAP_WEIGHT4; } LLVertexBuffer* buff = new LLVertexBuffer(mask, GL_STATIC_DRAW_ARB); vf.mVertexBuffer = buff; buff->allocateBuffer(vf.mNumVertices, 0, true); LLStrider f_vert; LLStrider f_tangent; LLStrider f_norm; LLStrider f_tc; buff->getTangentStrider(f_tangent); buff->getVertexStrider(f_vert); buff->getNormalStrider(f_norm); buff->getTexCoord0Strider(f_tc); for (U32 i = 0; i < vf.mNumVertices; ++i) { *f_vert++ = vf.mPositions[i]; *f_tangent++ = vf.mTangents[i]; *f_tc++ = vf.mTexCoords[i]; (*f_norm++).set(vf.mNormals[i].getF32ptr()); } if (vf.mWeights) { LLStrider f_wght; buff->getWeight4Strider(f_wght); for (U32 i = 0; i < vf.mNumVertices; ++i) { (*f_wght++).set(vf.mWeights[i].getF32ptr()); } } buff->flush(); } //helper function for pushing primitives for transform shaders and cleaning up //uninitialized data on the tail, plus tracking number of expected primitives void push_for_transform(LLVertexBuffer* buff, U32 source_count, U32 dest_count) { if (source_count > 0 && dest_count >= source_count) //protect against possible U32 wrapping { //push source primitives buff->drawArrays(LLRender::POINTS, 0, source_count); U32 tail = dest_count-source_count; for (U32 i = 0; i < tail; ++i) { //copy last source primitive into each element in tail buff->drawArrays(LLRender::POINTS, source_count-1, 1); } gPipeline.mTransformFeedbackPrimitives += dest_count; } } 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) { LL_PROFILE_ZONE_SCOPED_CATEGORY_FACE; llassert(verify()); if (volume.getNumVolumeFaces() <= f) { LL_WARNS() << "Attempt get volume face out of range! Total Faces: " << volume.getNumVolumeFaces() << " Attempt get access to: " << f << LL_ENDL; return FALSE; } bool rigged = isState(RIGGED); const LLVolumeFace &vf = volume.getVolumeFace(f); S32 num_vertices = (S32)vf.mNumVertices; S32 num_indices = (S32) vf.mNumIndices; if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_OCTREE)) { updateRebuildFlags(); } //don't use map range (generates many redundant unmap calls) bool map_range = false; //gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange; if (mVertexBuffer.notNull()) { if (num_indices + (S32) mIndicesIndex > mVertexBuffer->getNumIndices()) { if (gDebugGL) { LL_WARNS() << "Index buffer overflow!" << LL_ENDL; LL_WARNS() << "Indices Count: " << mIndicesCount << " VF Num Indices: " << num_indices << " Indices Index: " << mIndicesIndex << " VB Num Indices: " << mVertexBuffer->getNumIndices() << LL_ENDL; LL_WARNS() << " Face Index: " << f << " Pool Type: " << mPoolType << LL_ENDL; } return FALSE; } if (num_vertices + mGeomIndex > mVertexBuffer->getNumVerts()) { if (gDebugGL) { LL_WARNS() << "Vertex buffer overflow!" << LL_ENDL; } return FALSE; } } LLStrider vert; LLStrider tex_coords0; LLStrider tex_coords1; LLStrider tex_coords2; LLStrider norm; LLStrider colors; LLStrider tangent; LLStrider indicesp; LLStrider wght; 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_emissive = rebuild_color && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_EMISSIVE); bool rebuild_tcoord = full_rebuild || mDrawablep->isState(LLDrawable::REBUILD_TCOORD); bool rebuild_normal = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_NORMAL); bool rebuild_tangent = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_TANGENT); bool rebuild_weights = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_WEIGHT4); const LLTextureEntry *tep = mVObjp->getTE(f); const 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->getColor(); if (rebuild_color) { //decide if shiny goes in alpha channel of color if (tep && getPoolType() != LLDrawPool::POOL_ALPHA) // <--- alpha channel MUST contain transparency, not shiny { LLMaterial* mat = tep->getMaterialParams().get(); bool shiny_in_alpha = false; if (LLPipeline::sRenderDeferred) { //store shiny in alpha if we don't have a specular map if (!mat || mat->getSpecularID().isNull()) { shiny_in_alpha = true; } } else { if (!mat || mat->getDiffuseAlphaMode() != LLMaterial::DIFFUSE_ALPHA_MODE_MASK) { shiny_in_alpha = true; } } if (shiny_in_alpha) { static const GLfloat SHININESS_TO_ALPHA[4] = { 0.0000f, 0.25f, 0.5f, 0.75f }; llassert(tep->getShiny() <= 3); color.mV[3] = U8 (SHININESS_TO_ALPHA[tep->getShiny()] * 255); } } } // INDICES if (full_rebuild) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - indices"); mVertexBuffer->getIndexStrider(indicesp, mIndicesIndex, mIndicesCount, map_range); volatile __m128i* dst = (__m128i*) indicesp.get(); __m128i* src = (__m128i*) vf.mIndices; __m128i offset = _mm_set1_epi16(index_offset); S32 end = num_indices/8; for (S32 i = 0; i < end; i++) { __m128i res = _mm_add_epi16(src[i], offset); _mm_storeu_si128((__m128i*) dst++, res); } { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - indices tail"); U16* idx = (U16*) dst; for (S32 i = end*8; i < num_indices; ++i) { *idx++ = vf.mIndices[i]+index_offset; } } if (map_range) { mVertexBuffer->flush(); } } F32 r = 0, os = 0, ot = 0, ms = 0, mt = 0, cos_ang = 0, sin_ang = 0; bool do_xform = false; if (rebuild_tcoord) { 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; } } const LLMeshSkinInfo* skin = nullptr; LLMatrix4a mat_vert; LLMatrix4a mat_normal; // prepare mat_vert if (rebuild_pos) { if (rigged) { //override with bind shape matrix if rigged skin = mSkinInfo; mat_vert = skin->mBindShapeMatrix; } else { mat_vert.loadu(mat_vert_in); } } if (rebuild_normal || rebuild_tangent) { //override mat_normal with inverse of skin->mBindShapeMatrix LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - norm mat override"); if (rigged) { if (skin == nullptr) { skin = mSkinInfo; } //TODO -- cache this (check profile marker above)? glh::matrix4f m((F32*) skin->mBindShapeMatrix.getF32ptr()); m = m.inverse().transpose(); mat_normal.loadu(m.m); } else { mat_normal.loadu(mat_norm_in); } } static LLCachedControl use_transform_feedback(gSavedSettings, "RenderUseTransformFeedback", false); #ifdef GL_TRANSFORM_FEEDBACK_BUFFER if (use_transform_feedback && mVertexBuffer->getUsage() == GL_DYNAMIC_COPY_ARB && gTransformPositionProgram.mProgramObject && //transform shaders are loaded mVertexBuffer->useVBOs() && //target buffer is in VRAM !rebuild_weights && //TODO: add support for weights !volume.isUnique()) //source volume is NOT flexi { //use transform feedback to pack vertex buffer //gGLDebugLoggingEnabled = TRUE; LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - transform feedback"); LLGLEnable discard(GL_RASTERIZER_DISCARD); LLVertexBuffer* buff = (LLVertexBuffer*) vf.mVertexBuffer.get(); if (vf.mVertexBuffer.isNull() || buff->getNumVerts() != vf.mNumVertices) { mVObjp->getVolume()->genTangents(f); LLFace::cacheFaceInVRAM(vf); buff = (LLVertexBuffer*) vf.mVertexBuffer.get(); } LLGLSLShader* cur_shader = LLGLSLShader::sCurBoundShaderPtr; gGL.pushMatrix(); gGL.loadMatrix((GLfloat*) mat_vert_in.mMatrix); if (rebuild_pos) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - tf position"); gTransformPositionProgram.bind(); mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_VERTEX, mGeomIndex, mGeomCount); U8 index = mTextureIndex < FACE_DO_NOT_BATCH_TEXTURES ? mTextureIndex : 0; S32 val = 0; U8* vp = (U8*) &val; vp[0] = index; vp[1] = 0; vp[2] = 0; vp[3] = 0; gTransformPositionProgram.uniform1i(sTextureIndexIn, val); glBeginTransformFeedback(GL_POINTS); buff->setBuffer(LLVertexBuffer::MAP_VERTEX); push_for_transform(buff, vf.mNumVertices, mGeomCount); glEndTransformFeedback(); } if (rebuild_color) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - tf color"); gTransformColorProgram.bind(); mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_COLOR, mGeomIndex, mGeomCount); S32 val = *((S32*) color.mV); gTransformColorProgram.uniform1i(sColorIn, val); glBeginTransformFeedback(GL_POINTS); buff->setBuffer(LLVertexBuffer::MAP_VERTEX); push_for_transform(buff, vf.mNumVertices, mGeomCount); glEndTransformFeedback(); } if (rebuild_emissive) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - tf emissive"); gTransformColorProgram.bind(); mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_EMISSIVE, mGeomIndex, mGeomCount); U8 glow = (U8) llclamp((S32) (getTextureEntry()->getGlow()*255), 0, 255); S32 glow32 = glow | (glow << 8) | (glow << 16) | (glow << 24); gTransformColorProgram.uniform1i(sColorIn, glow32); glBeginTransformFeedback(GL_POINTS); buff->setBuffer(LLVertexBuffer::MAP_VERTEX); push_for_transform(buff, vf.mNumVertices, mGeomCount); glEndTransformFeedback(); } if (rebuild_normal) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - tf normal"); gTransformNormalProgram.bind(); mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_NORMAL, mGeomIndex, mGeomCount); glBeginTransformFeedback(GL_POINTS); buff->setBuffer(LLVertexBuffer::MAP_NORMAL); push_for_transform(buff, vf.mNumVertices, mGeomCount); glEndTransformFeedback(); } if (rebuild_tangent) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - tf tangent"); gTransformTangentProgram.bind(); mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_TANGENT, mGeomIndex, mGeomCount); glBeginTransformFeedback(GL_POINTS); buff->setBuffer(LLVertexBuffer::MAP_TANGENT); push_for_transform(buff, vf.mNumVertices, mGeomCount); glEndTransformFeedback(); } if (rebuild_tcoord) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - tf tcoord"); gTransformTexCoordProgram.bind(); mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_TEXCOORD0, mGeomIndex, mGeomCount); glBeginTransformFeedback(GL_POINTS); buff->setBuffer(LLVertexBuffer::MAP_TEXCOORD0); push_for_transform(buff, vf.mNumVertices, mGeomCount); glEndTransformFeedback(); bool do_bump = bump_code && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_TEXCOORD1); if (do_bump) { mVertexBuffer->bindForFeedback(0, LLVertexBuffer::TYPE_TEXCOORD1, mGeomIndex, mGeomCount); glBeginTransformFeedback(GL_POINTS); buff->setBuffer(LLVertexBuffer::MAP_TEXCOORD0); push_for_transform(buff, vf.mNumVertices, mGeomCount); glEndTransformFeedback(); } } glBindBufferARB(GL_TRANSFORM_FEEDBACK_BUFFER, 0); gGL.popMatrix(); if (cur_shader) { cur_shader->bind(); } } else #endif { //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); if (rebuild_tcoord) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - tcoord"); //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()->genTangents(f); F32 offset_multiple; switch( bump_code ) { case BE_NO_BUMP: offset_multiple = 0.f; break; case BE_BRIGHTNESS: case BE_DARKNESS: if( mTexture[LLRender::DIFFUSE_MAP].notNull() && mTexture[LLRender::DIFFUSE_MAP]->hasGLTexture()) { // Offset by approximately one texel S32 cur_discard = mTexture[LLRender::DIFFUSE_MAP]->getDiscardLevel(); S32 max_size = llmax( mTexture[LLRender::DIFFUSE_MAP]->getWidth(), mTexture[LLRender::DIFFUSE_MAP]->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.mVOSkyp->getMoon().getDirection(); 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()->genTangents(f); } U8 tex_mode = 0; bool tex_anim = false; LLVOVolume* vobj = (LLVOVolume*) (LLViewerObject*) mVObjp; tex_mode = vobj->mTexAnimMode; if (vobj->mTextureAnimp) { //texture animation is in play, override specular and normal map tex coords with diffuse texcoords tex_anim = true; } if (isState(TEXTURE_ANIM)) { 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) // || isState(LLFace::RIGGED)) { //don't override texture transform during tc bake tex_mode = 0; } } LLVector4a scalea; scalea.load3(scale.mV); LLMaterial* mat = tep->getMaterialParams().get(); LLGLTFMaterial* gltf_mat = tep->getGLTFMaterial(); bool do_bump = bump_code && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_TEXCOORD1); if ((mat || gltf_mat) && !do_bump) { do_bump = mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_TEXCOORD1) || mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_TEXCOORD2); } bool do_tex_mat = tex_mode && mTextureMatrix; if (!do_bump) { //not bump mapped, might be able to do a cheap update mVertexBuffer->getTexCoord0Strider(tex_coords0, mGeomIndex, mGeomCount); if (texgen != LLTextureEntry::TEX_GEN_PLANAR) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - texgen"); if (!do_tex_mat) { if (!do_xform) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("ggv - texgen 1"); S32 tc_size = (num_vertices*2*sizeof(F32)+0xF) & ~0xF; LLVector4a::memcpyNonAliased16((F32*) tex_coords0.get(), (F32*) vf.mTexCoords, tc_size); } else { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("ggv - texgen 2"); F32* dst = (F32*) tex_coords0.get(); LLVector4a* src = (LLVector4a*) vf.mTexCoords; LLVector4a trans; trans.splat(-0.5f); LLVector4a rot0; rot0.set(cos_ang, -sin_ang, cos_ang, -sin_ang); LLVector4a rot1; rot1.set(sin_ang, cos_ang, sin_ang, cos_ang); LLVector4a scale; scale.set(ms, mt, ms, mt); LLVector4a offset; offset.set(os+0.5f, ot+0.5f, os+0.5f, ot+0.5f); LLVector4Logical mask; mask.clear(); mask.setElement<2>(); mask.setElement<3>(); U32 count = num_vertices/2 + num_vertices%2; for (S32 i = 0; i < count; i++) { LLVector4a res = *src++; xform4a(res, trans, mask, rot0, rot1, offset, scale); res.store4a(dst); dst += 4; } } } else { //do tex mat, no texgen, no bump for (S32 i = 0; i < num_vertices; i++) { LLVector2 tc(vf.mTexCoords[i]); 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_coords0++ = tc; } } } else { //no bump, tex gen planar LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - texgen 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_coords0++ = 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_coords0++ = tc; } } } if (map_range) { mVertexBuffer->flush(); } } else { //bump mapped or has material, just do the whole expensive loop LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - texgen default"); std::vector bump_tc; if (mat && !mat->getNormalID().isNull()) { //writing out normal and specular texture coordinates, not bump offsets do_bump = false; } LLStrider dst; for (U32 ch = 0; ch < 3; ++ch) { switch (ch) { case 0: mVertexBuffer->getTexCoord0Strider(dst, mGeomIndex, mGeomCount, map_range); break; case 1: if (mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_TEXCOORD1)) { mVertexBuffer->getTexCoord1Strider(dst, mGeomIndex, mGeomCount, map_range); if (mat && !tex_anim) { r = mat->getNormalRotation(); mat->getNormalOffset(os, ot); mat->getNormalRepeat(ms, mt); cos_ang = cos(r); sin_ang = sin(r); } } else { continue; } break; case 2: if (mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_TEXCOORD2)) { mVertexBuffer->getTexCoord2Strider(dst, mGeomIndex, mGeomCount, map_range); if (mat && !tex_anim) { r = mat->getSpecularRotation(); mat->getSpecularOffset(os, ot); mat->getSpecularRepeat(ms, mt); cos_ang = cos(r); sin_ang = sin(r); } } else { continue; } break; } 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); if (texgen == LLTextureEntry::TEX_GEN_PLANAR) { planarProjection(tc, norm, center, vec); } } 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); } *dst++ = tc; if (do_bump) { bump_tc.push_back(tc); } } } if (map_range) { mVertexBuffer->flush(); } if ((!mat && !gltf_mat) && do_bump) { mVertexBuffer->getTexCoord1Strider(tex_coords1, mGeomIndex, mGeomCount, map_range); mVObjp->getVolume()->genTangents(f); for (S32 i = 0; i < num_vertices; i++) { LLVector4a tangent = vf.mTangents[i]; LLVector4a binorm; binorm.setCross3(vf.mNormals[i], tangent); binorm.mul(tangent.getF32ptr()[3]); LLMatrix4a tangent_to_object; tangent_to_object.setRows(tangent, binorm, 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_coords1++ = tc; } if (map_range) { mVertexBuffer->flush(); } } } } if (rebuild_pos) { LLVector4a* src = vf.mPositions; //_mm_prefetch((char*)src, _MM_HINT_T0); LLVector4a* end = src+num_vertices; //LLVector4a* end_64 = end-4; llassert(num_vertices > 0); mVertexBuffer->getVertexStrider(vert, mGeomIndex, mGeomCount, map_range); F32* dst = (F32*) vert.get(); F32* end_f32 = dst+mGeomCount*4; //_mm_prefetch((char*)dst, _MM_HINT_NTA); //_mm_prefetch((char*)src, _MM_HINT_NTA); //_mm_prefetch((char*)dst, _MM_HINT_NTA); LLVector4a res0; //,res1,res2,res3; LLVector4a texIdx; S32 index = mTextureIndex < FACE_DO_NOT_BATCH_TEXTURES ? mTextureIndex : 0; F32 val = 0.f; S32* vp = (S32*) &val; *vp = index; llassert(index <= LLGLSLShader::sIndexedTextureChannels-1); LLVector4Logical mask; mask.clear(); mask.setElement<3>(); texIdx.set(0,0,0,val); LLVector4a tmp; while (src < end) { mat_vert.affineTransform(*src++, res0); tmp.setSelectWithMask(mask, texIdx, res0); tmp.store4a((F32*) dst); dst += 4; } while (dst < end_f32) { res0.store4a((F32*) dst); dst += 4; } if (map_range) { mVertexBuffer->flush(); } } if (rebuild_normal) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - normal"); mVertexBuffer->getNormalStrider(norm, mGeomIndex, mGeomCount, map_range); F32* normals = (F32*) norm.get(); LLVector4a* src = vf.mNormals; LLVector4a* end = src+num_vertices; while (src < end) { LLVector4a normal; mat_normal.rotate(*src++, normal); normal.store4a(normals); normals += 4; } if (map_range) { mVertexBuffer->flush(); } } if (rebuild_tangent) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - tangent"); mVertexBuffer->getTangentStrider(tangent, mGeomIndex, mGeomCount, map_range); F32* tangents = (F32*) tangent.get(); mVObjp->getVolume()->genTangents(f); LLVector4Logical mask; mask.clear(); mask.setElement<3>(); LLVector4a* src = vf.mTangents; LLVector4a* end = vf.mTangents+num_vertices; while (src < end) { LLVector4a tangent_out; mat_normal.rotate(*src, tangent_out); tangent_out.normalize3fast(); tangent_out.setSelectWithMask(mask, *src, tangent_out); tangent_out.store4a(tangents); src++; tangents += 4; } if (map_range) { mVertexBuffer->flush(); } } if (rebuild_weights && vf.mWeights) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - weight"); mVertexBuffer->getWeight4Strider(wght, mGeomIndex, mGeomCount, map_range); F32* weights = (F32*) wght.get(); LLVector4a::memcpyNonAliased16(weights, (F32*) vf.mWeights, num_vertices*4*sizeof(F32)); if (map_range) { mVertexBuffer->flush(); } } if (rebuild_color && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_COLOR) ) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - color"); mVertexBuffer->getColorStrider(colors, mGeomIndex, mGeomCount, map_range); LLVector4a src; U32 vec[4]; vec[0] = vec[1] = vec[2] = vec[3] = color.asRGBA(); src.loadua((F32*) vec); F32* dst = (F32*) colors.get(); S32 num_vecs = num_vertices/4; if (num_vertices%4 > 0) { ++num_vecs; } for (S32 i = 0; i < num_vecs; i++) { src.store4a(dst); dst += 4; } if (map_range) { mVertexBuffer->flush(); } } if (rebuild_emissive) { LL_PROFILE_ZONE_NAMED_CATEGORY_FACE("getGeometryVolume - emissive"); LLStrider emissive; mVertexBuffer->getEmissiveStrider(emissive, mGeomIndex, mGeomCount, map_range); U8 glow = (U8) llclamp((S32) (getTextureEntry()->getGlow()*255), 0, 255); LLVector4a src; LLColor4U glow4u = LLColor4U(0,0,0,glow); U32 glow32 = glow4u.asRGBA(); U32 vec[4]; vec[0] = vec[1] = vec[2] = vec[3] = glow32; src.loadua((F32*) vec); F32* dst = (F32*) emissive.get(); S32 num_vecs = num_vertices/4; if (num_vertices%4 > 0) { ++num_vecs; } for (S32 i = 0; i < num_vecs; i++) { src.store4a(dst); dst += 4; } if (map_range) { mVertexBuffer->flush(); } } } 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 ; } return TRUE; } //check if the face has a media BOOL LLFace::hasMedia() const { if(mHasMedia) { return TRUE ; } if(mTexture[LLRender::DIFFUSE_MAP].notNull()) { return mTexture[LLRender::DIFFUSE_MAP]->hasParcelMedia() ; //if has a parcel media } return FALSE ; //no media. } const F32 LEAST_IMPORTANCE = 0.05f ; const F32 LEAST_IMPORTANCE_FOR_LARGE_IMAGE = 0.3f ; void LLFace::resetVirtualSize() { setVirtualSize(0.f); mImportanceToCamera = 0.f; } F32 LLFace::getTextureVirtualSize() { F32 radius; F32 cos_angle_to_view_dir; BOOL in_frustum = calcPixelArea(cos_angle_to_view_dir, radius); if (mPixelArea < F_ALMOST_ZERO || !in_frustum) { setVirtualSize(0.f) ; return 0.f; } //get area of circle in texture space LLVector2 tdim = mTexExtents[1] - mTexExtents[0]; F32 texel_area = (tdim * 0.5f).lengthSquared()*3.14159f; if (texel_area <= 0) { // Probably animated, use default texel_area = 1.f; } F32 face_area; if (mVObjp->isSculpted() && texel_area > 1.f) { //sculpts can break assumptions about texel area face_area = mPixelArea; } else { //apply texel area to face area to get accurate ratio //face_area /= llclamp(texel_area, 1.f/64.f, 16.f); face_area = mPixelArea / llclamp(texel_area, 0.015625f, 128.f); } face_area = LLFace::adjustPixelArea(mImportanceToCamera, face_area) ; if(face_area > LLViewerTexture::sMinLargeImageSize) //if is large image, shrink face_area by considering the partial overlapping. { if(mImportanceToCamera > LEAST_IMPORTANCE_FOR_LARGE_IMAGE && mTexture[LLRender::DIFFUSE_MAP].notNull() && mTexture[LLRender::DIFFUSE_MAP]->isLargeImage()) { face_area *= adjustPartialOverlapPixelArea(cos_angle_to_view_dir, radius ); } } setVirtualSize(face_area) ; return face_area; } BOOL LLFace::calcPixelArea(F32& cos_angle_to_view_dir, F32& radius) { LL_PROFILE_ZONE_SCOPED_CATEGORY_FACE; //VECTORIZE THIS //get area of circle around face LLVector4a center; LLVector4a size; if (isState(LLFace::RIGGED)) { //override with avatar bounding box LLVOAvatar* avatar = mVObjp->getAvatar(); if (avatar && avatar->mDrawable) { center.load3(avatar->getPositionAgent().mV); const LLVector4a* exts = avatar->mDrawable->getSpatialExtents(); size.setSub(exts[1], exts[0]); } else { return false; } } else { center.load3(getPositionAgent().mV); 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(), 0.001f); //ramp down distance for nearby objects if (dist < 16.f) { dist /= 16.f; dist *= dist; dist *= 16.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 has media, check if the face is out of the view frustum. if(hasMedia()) { if(!camera->AABBInFrustum(center, size)) { mImportanceToCamera = 0.f ; return false ; } if(cos_angle_to_view_dir > camera->getCosHalfFov()) //the center is within the view frustum { cos_angle_to_view_dir = 1.0f ; } else { LLVector4a d; d.setSub(lookAt, x_axis); if(dist * dist * d.dot3(d) < size_squared) { cos_angle_to_view_dir = 1.0f ; } } } 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 ; } //the projection of the face partially overlaps with the screen F32 LLFace::adjustPartialOverlapPixelArea(F32 cos_angle_to_view_dir, F32 radius ) { F32 screen_radius = (F32)llmax(gViewerWindow->getWindowWidthRaw(), gViewerWindow->getWindowHeightRaw()) ; F32 center_angle = acosf(cos_angle_to_view_dir) ; F32 d = center_angle * LLDrawable::sCurPixelAngle ; if(d + radius > screen_radius + 5.f) { //---------------------------------------------- //calculate the intersection area of two circles //F32 radius_square = radius * radius ; //F32 d_square = d * d ; //F32 screen_radius_square = screen_radius * screen_radius ; //face_area = // radius_square * acosf((d_square + radius_square - screen_radius_square)/(2 * d * radius)) + // screen_radius_square * acosf((d_square + screen_radius_square - radius_square)/(2 * d * screen_radius)) - // 0.5f * sqrtf((-d + radius + screen_radius) * (d + radius - screen_radius) * (d - radius + screen_radius) * (d + radius + screen_radius)) ; //---------------------------------------------- //the above calculation is too expensive //the below is a good estimation: bounding box of the bounding sphere: F32 alpha = 0.5f * (radius + screen_radius - d) / radius ; alpha = llclamp(alpha, 0.f, 1.f) ; return alpha * alpha ; } return 1.0f ; } const S8 FACE_IMPORTANCE_LEVEL = 4 ; const F32 FACE_IMPORTANCE_TO_CAMERA_OVER_DISTANCE[FACE_IMPORTANCE_LEVEL][2] = //{distance, importance_weight} {{16.1f, 1.0f}, {32.1f, 0.5f}, {48.1f, 0.2f}, {96.1f, 0.05f} } ; const F32 FACE_IMPORTANCE_TO_CAMERA_OVER_ANGLE[FACE_IMPORTANCE_LEVEL][2] = //{cos(angle), importance_weight} {{0.985f /*cos(10 degrees)*/, 1.0f}, {0.94f /*cos(20 degrees)*/, 0.8f}, {0.866f /*cos(30 degrees)*/, 0.64f}, {0.0f, 0.36f}} ; //static F32 LLFace::calcImportanceToCamera(F32 cos_angle_to_view_dir, F32 dist) { F32 importance = 0.f ; if(cos_angle_to_view_dir > LLViewerCamera::getInstance()->getCosHalfFov() && dist < FACE_IMPORTANCE_TO_CAMERA_OVER_DISTANCE[FACE_IMPORTANCE_LEVEL - 1][0]) { LLViewerCamera* camera = LLViewerCamera::getInstance(); F32 camera_moving_speed = camera->getAverageSpeed() ; F32 camera_angular_speed = camera->getAverageAngularSpeed(); if(camera_moving_speed > 10.0f || camera_angular_speed > 1.0f) { //if camera moves or rotates too fast, ignore the importance factor return 0.f ; } S32 i = 0 ; for(i = 0; i < FACE_IMPORTANCE_LEVEL && dist > FACE_IMPORTANCE_TO_CAMERA_OVER_DISTANCE[i][0]; ++i); i = llmin(i, FACE_IMPORTANCE_LEVEL - 1) ; F32 dist_factor = FACE_IMPORTANCE_TO_CAMERA_OVER_DISTANCE[i][1] ; for(i = 0; i < FACE_IMPORTANCE_LEVEL && cos_angle_to_view_dir < FACE_IMPORTANCE_TO_CAMERA_OVER_ANGLE[i][0] ; ++i) ; i = llmin(i, FACE_IMPORTANCE_LEVEL - 1) ; importance = dist_factor * FACE_IMPORTANCE_TO_CAMERA_OVER_ANGLE[i][1] ; } return importance ; } //static F32 LLFace::adjustPixelArea(F32 importance, F32 pixel_area) { if(pixel_area > LLViewerTexture::sMaxSmallImageSize) { if(importance < LEAST_IMPORTANCE) //if the face is not important, do not load hi-res. { static const F32 MAX_LEAST_IMPORTANCE_IMAGE_SIZE = 128.0f * 128.0f ; pixel_area = llmin(pixel_area * 0.5f, MAX_LEAST_IMPORTANCE_IMAGE_SIZE) ; } else if(pixel_area > LLViewerTexture::sMinLargeImageSize) //if is large image, shrink face_area by considering the partial overlapping. { if(importance < LEAST_IMPORTANCE_FOR_LARGE_IMAGE)//if the face is not important, do not load hi-res. { pixel_area = LLViewerTexture::sMinLargeImageSize ; } } } return pixel_area ; } BOOL LLFace::verify(const U32* indices_array) const { BOOL ok = TRUE; if( mVertexBuffer.isNull() ) { //no vertex buffer, face is implicitly valid return TRUE; } // First, check whether the face data fits within the pool's range. if ((mGeomIndex + mGeomCount) > mVertexBuffer->getNumVerts()) { ok = FALSE; LL_INFOS() << "Face references invalid vertices!" << LL_ENDL; } S32 indices_count = (S32)getIndicesCount(); if (!indices_count) { return TRUE; } if (indices_count > LL_MAX_INDICES_COUNT) { ok = FALSE; LL_INFOS() << "Face has bogus indices count" << LL_ENDL; } if (mIndicesIndex + mIndicesCount > mVertexBuffer->getNumIndices()) { ok = FALSE; LL_INFOS() << "Face references invalid indices!" << LL_ENDL; } #if 0 S32 geom_start = getGeomStart(); S32 geom_count = mGeomCount; const U32 *indicesp = indices_array ? indices_array + mIndicesIndex : getRawIndices(); for (S32 i = 0; i < indices_count; i++) { S32 delta = indicesp[i] - geom_start; if (0 > delta) { LL_WARNS() << "Face index too low!" << LL_ENDL; LL_INFOS() << "i:" << i << " Index:" << indicesp[i] << " GStart: " << geom_start << LL_ENDL; ok = FALSE; } else if (delta >= geom_count) { LL_WARNS() << "Face index too high!" << LL_ENDL; LL_INFOS() << "i:" << i << " Index:" << indicesp[i] << " GEnd: " << geom_start + geom_count << LL_ENDL; ok = FALSE; } } #endif if (!ok) { printDebugInfo(); } return ok; } void LLFace::setViewerObject(LLViewerObject* objp) { mVObjp = objp; } const LLColor4& LLFace::getRenderColor() const { if (isState(USE_FACE_COLOR)) { return mFaceColor; // Face Color } else { const LLTextureEntry* tep = getTextureEntry(); return (tep ? tep->getColor() : LLColor4::white); } } void LLFace::renderSetColor() const { if (!LLFacePool::LLOverrideFaceColor::sOverrideFaceColor) { const LLColor4* color = &(getRenderColor()); gGL.diffuseColor4fv(color->mV); } } S32 LLFace::pushVertices(const U16* index_array) const { if (mIndicesCount) { U32 render_type = LLRender::TRIANGLES; if (mDrawInfo) { render_type = mDrawInfo->mDrawMode; } mVertexBuffer->drawRange(render_type, mGeomIndex, mGeomIndex+mGeomCount-1, mIndicesCount, mIndicesIndex); gPipeline.addTrianglesDrawn(mIndicesCount, render_type); } return mIndicesCount; } const LLMatrix4& LLFace::getRenderMatrix() const { return mDrawablep->getRenderMatrix(); } S32 LLFace::renderElements(const U16 *index_array) const { LL_PROFILE_ZONE_SCOPED_CATEGORY_FACE S32 ret = 0; if (isState(GLOBAL)) { ret = pushVertices(index_array); } else { gGL.pushMatrix(); gGL.multMatrix((float*)getRenderMatrix().mMatrix); ret = pushVertices(index_array); gGL.popMatrix(); } return ret; } S32 LLFace::renderIndexed() { LL_PROFILE_ZONE_SCOPED_CATEGORY_FACE if(mDrawablep == NULL || mDrawPoolp == NULL) { return 0; } return renderIndexed(mDrawPoolp->getVertexDataMask()); } S32 LLFace::renderIndexed(U32 mask) { LL_PROFILE_ZONE_SCOPED_CATEGORY_FACE if (mVertexBuffer.isNull()) { return 0; } mVertexBuffer->setBuffer(mask); U16* index_array = (U16*) mVertexBuffer->getIndicesPointer(); return renderElements(index_array); } //============================================================================ // From llface.inl S32 LLFace::getColors(LLStrider &colors) { if (!mGeomCount) { return -1; } // llassert(mGeomIndex >= 0); mVertexBuffer->getColorStrider(colors, mGeomIndex, mGeomCount); return mGeomIndex; } S32 LLFace::getIndices(LLStrider &indicesp) { mVertexBuffer->getIndexStrider(indicesp, mIndicesIndex, mIndicesCount); llassert(indicesp[0] != indicesp[1]); return mIndicesIndex; } LLVector3 LLFace::getPositionAgent() const { if (mDrawablep->isStatic()) { return mCenterAgent; } else { return mCenterLocal * getRenderMatrix(); } } LLViewerTexture* LLFace::getTexture(U32 ch) const { llassert(ch < LLRender::NUM_TEXTURE_CHANNELS); return mTexture[ch] ; } void LLFace::setVertexBuffer(LLVertexBuffer* buffer) { if (buffer) { LLSculptIDSize::instance().inc(mDrawablep, buffer->getSize() + buffer->getIndicesSize()); } if (mVertexBuffer) { LLSculptIDSize::instance().dec(mDrawablep); } mVertexBuffer = buffer; llassert(verify()); } void LLFace::clearVertexBuffer() { if (mVertexBuffer) { LLSculptIDSize::instance().dec(mDrawablep); } mVertexBuffer = NULL; } S32 LLFace::getRiggedIndex(U32 type) const { if (mRiggedIndex.empty()) { return -1; } llassert(type < mRiggedIndex.size()); return mRiggedIndex[type]; } U64 LLFace::getSkinHash() { return mSkinInfo ? mSkinInfo->mHash : 0; }