void create_vertex_buffers_from_model(LLModel* model, std::vector<LLPointer <LLVertexBuffer> >& vertex_buffers) { #if 0 //VECTORIZE THIS ? vertex_buffers.clear(); for (S32 i = 0; i < model->getNumVolumeFaces(); ++i) { const LLVolumeFace &vf = model->getVolumeFace(i); U32 num_vertices = vf.mNumVertices; U32 num_indices = vf.mNumIndices; if (!num_vertices || ! num_indices) { continue; } LLVertexBuffer* vb = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0, 0); vb->allocateBuffer(num_vertices, num_indices, TRUE); LLStrider<LLVector3> vertex_strider; LLStrider<LLVector3> normal_strider; LLStrider<LLVector2> tc_strider; LLStrider<U16> index_strider; vb->getVertexStrider(vertex_strider); vb->getNormalStrider(normal_strider); vb->getTexCoord0Strider(tc_strider); vb->getIndexStrider(index_strider); // build vertices and normals for (U32 i = 0; (S32)i < num_vertices; i++) { *(vertex_strider++) = vf.mVertices[i].mPosition; *(tc_strider++) = vf.mVertices[i].mTexCoord; LLVector3 normal = vf.mVertices[i].mNormal; normal.normalize(); *(normal_strider++) = normal; } // build indices for (U32 i = 0; i < num_indices; i++) { *(index_strider++) = vf.mIndices[i]; } vertex_buffers.push_back(vb); } #endif }
void LLTerrainPartition::getGeometry(LLSpatialGroup* group) { LLFastTimer ftm(FTM_REBUILD_TERRAIN_VB); LLVertexBuffer* buffer = group->mVertexBuffer; //get vertex buffer striders LLStrider<LLVector3> vertices; LLStrider<LLVector3> normals; LLStrider<LLVector2> texcoords2; LLStrider<LLVector2> texcoords; LLStrider<U16> indices; llassert_always(buffer->getVertexStrider(vertices)); llassert_always(buffer->getNormalStrider(normals)); llassert_always(buffer->getTexCoord0Strider(texcoords)); llassert_always(buffer->getTexCoord1Strider(texcoords2)); llassert_always(buffer->getIndexStrider(indices)); U32 indices_index = 0; U32 index_offset = 0; for (std::vector<LLFace*>::iterator i = mFaceList.begin(); i != mFaceList.end(); ++i) { LLFace* facep = *i; facep->setIndicesIndex(indices_index); facep->setGeomIndex(index_offset); facep->setVertexBuffer(buffer); LLVOSurfacePatch* patchp = (LLVOSurfacePatch*) facep->getViewerObject(); patchp->getGeometry(vertices, normals, texcoords, texcoords2, indices); indices_index += facep->getIndicesCount(); index_offset += facep->getGeomCount(); } buffer->flush(); mFaceList.clear(); }
void LLParticlePartition::getGeometry(LLSpatialGroup* group) { LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION); LLFastTimer ftm(mDrawableType == LLPipeline::RENDER_TYPE_GRASS ? LLFastTimer::FTM_REBUILD_GRASS_VB : LLFastTimer::FTM_REBUILD_PARTICLE_VB); std::sort(mFaceList.begin(), mFaceList.end(), LLFace::CompareDistanceGreater()); U32 index_count = 0; U32 vertex_count = 0; group->clearDrawMap(); LLVertexBuffer* buffer = group->mVertexBuffer; LLStrider<U16> indicesp; LLStrider<LLVector3> verticesp; LLStrider<LLVector3> normalsp; LLStrider<LLVector2> texcoordsp; LLStrider<LLColor4U> colorsp; buffer->getVertexStrider(verticesp); buffer->getNormalStrider(normalsp); buffer->getColorStrider(colorsp); buffer->getTexCoord0Strider(texcoordsp); buffer->getIndexStrider(indicesp); LLSpatialGroup::drawmap_elem_t& draw_vec = group->mDrawMap[mRenderPass]; for (std::vector<LLFace*>::iterator i = mFaceList.begin(); i != mFaceList.end(); ++i) { LLFace* facep = *i; LLAlphaObject* object = (LLAlphaObject*) facep->getViewerObject(); facep->setGeomIndex(vertex_count); facep->setIndicesIndex(index_count); facep->mVertexBuffer = buffer; facep->setPoolType(LLDrawPool::POOL_ALPHA); object->getGeometry(facep->getTEOffset(), verticesp, normalsp, texcoordsp, colorsp, indicesp); vertex_count += facep->getGeomCount(); index_count += facep->getIndicesCount(); S32 idx = draw_vec.size()-1; BOOL fullbright = facep->isState(LLFace::FULLBRIGHT); F32 vsize = facep->getVirtualSize(); if (idx >= 0 && draw_vec[idx]->mEnd == facep->getGeomIndex()-1 && draw_vec[idx]->mTexture == facep->getTexture() && (U16) (draw_vec[idx]->mEnd - draw_vec[idx]->mStart + facep->getGeomCount()) <= (U32) gGLManager.mGLMaxVertexRange && //draw_vec[idx]->mCount + facep->getIndicesCount() <= (U32) gGLManager.mGLMaxIndexRange && draw_vec[idx]->mEnd - draw_vec[idx]->mStart + facep->getGeomCount() < 4096 && draw_vec[idx]->mFullbright == fullbright) { draw_vec[idx]->mCount += facep->getIndicesCount(); draw_vec[idx]->mEnd += facep->getGeomCount(); draw_vec[idx]->mVSize = llmax(draw_vec[idx]->mVSize, vsize); } else { U32 start = facep->getGeomIndex(); U32 end = start + facep->getGeomCount()-1; U32 offset = facep->getIndicesStart(); U32 count = facep->getIndicesCount(); LLDrawInfo* info = new LLDrawInfo(start,end,count,offset,facep->getTexture(), buffer, fullbright); info->mExtents[0] = group->mObjectExtents[0]; info->mExtents[1] = group->mObjectExtents[1]; info->mVSize = vsize; draw_vec.push_back(info); //for alpha sorting facep->setDrawInfo(info); } } buffer->setBuffer(0); mFaceList.clear(); }
BOOL LLVOWLSky::updateGeometry(LLDrawable * drawable) { LLFastTimer ftm(FTM_GEO_SKY); LLStrider<LLVector3> vertices; LLStrider<LLVector2> texCoords; LLStrider<U16> indices; #if DOME_SLICES { mFanVerts = new LLVertexBuffer(LLDrawPoolWLSky::SKY_VERTEX_DATA_MASK, GL_STATIC_DRAW_ARB); mFanVerts->allocateBuffer(getFanNumVerts(), getFanNumIndices(), TRUE); BOOL success = mFanVerts->getVertexStrider(vertices) && mFanVerts->getTexCoord0Strider(texCoords) && mFanVerts->getIndexStrider(indices); if(!success) { llerrs << "Failed updating WindLight sky geometry." << llendl; } buildFanBuffer(vertices, texCoords, indices); mFanVerts->flush(); } { const U32 max_buffer_bytes = gSavedSettings.getS32("RenderMaxVBOSize")*1024; const U32 data_mask = LLDrawPoolWLSky::SKY_VERTEX_DATA_MASK; const U32 max_verts = max_buffer_bytes / LLVertexBuffer::calcVertexSize(data_mask); const U32 total_stacks = getNumStacks(); const U32 verts_per_stack = getNumSlices(); // each seg has to have one more row of verts than it has stacks // then round down const U32 stacks_per_seg = (max_verts - verts_per_stack) / verts_per_stack; // round up to a whole number of segments const U32 strips_segments = (total_stacks+stacks_per_seg-1) / stacks_per_seg; llinfos << "WL Skydome strips in " << strips_segments << " batches." << llendl; mStripsVerts.resize(strips_segments, NULL); LLTimer timer; timer.start(); for (U32 i = 0; i < strips_segments ;++i) { LLVertexBuffer * segment = new LLVertexBuffer(LLDrawPoolWLSky::SKY_VERTEX_DATA_MASK, GL_STATIC_DRAW_ARB); mStripsVerts[i] = segment; U32 num_stacks_this_seg = stacks_per_seg; if ((i == strips_segments - 1) && (total_stacks % stacks_per_seg) != 0) { // for the last buffer only allocate what we'll use num_stacks_this_seg = total_stacks % stacks_per_seg; } // figure out what range of the sky we're filling const U32 begin_stack = i * stacks_per_seg; const U32 end_stack = begin_stack + num_stacks_this_seg; llassert(end_stack <= total_stacks); const U32 num_verts_this_seg = verts_per_stack * (num_stacks_this_seg+1); llassert(num_verts_this_seg <= max_verts); const U32 num_indices_this_seg = 1+num_stacks_this_seg*(2+2*verts_per_stack); llassert(num_indices_this_seg * sizeof(U16) <= max_buffer_bytes); segment->allocateBuffer(num_verts_this_seg, num_indices_this_seg, TRUE); // lock the buffer BOOL success = segment->getVertexStrider(vertices) && segment->getTexCoord0Strider(texCoords) && segment->getIndexStrider(indices); if(!success) { llerrs << "Failed updating WindLight sky geometry." << llendl; } // fill it buildStripsBuffer(begin_stack, end_stack, vertices, texCoords, indices); // and unlock the buffer segment->flush(); } llinfos << "completed in " << llformat("%.2f", timer.getElapsedTimeF32()) << "seconds" << llendl; } #else mStripsVerts = new LLVertexBuffer(LLDrawPoolWLSky::SKY_VERTEX_DATA_MASK, GL_STATIC_DRAW_ARB); const F32 RADIUS = LLWLParamManager::sParamMgr->getDomeRadius(); LLPointer<LLVertexBuffer> temp = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX, 0); temp->allocateBuffer(12, 60, TRUE); BOOL success = temp->getVertexStrider(vertices) && temp->getIndexStrider(indices); if (success) { for (U32 i = 0; i < 12; i++) { *vertices++ = icosahedron_vert[i]; } for (U32 i = 0; i < 60; i++) { *indices++ = icosahedron_ind[i]; } } LLPointer<LLVertexBuffer> temp2; for (U32 i = 0; i < 8; i++) { temp2 = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX, 0); subdivide(*temp, temp2); temp = temp2; } temp->getVertexStrider(vertices); for (S32 i = 0; i < temp->getNumVerts(); i++) { LLVector3 v = vertices[i]; v.normVec(); vertices[i] = v*RADIUS; } temp2 = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX, 0); chop(*temp, temp2); mStripsVerts->allocateBuffer(temp2->getNumVerts(), temp2->getNumIndices(), TRUE); success = mStripsVerts->getVertexStrider(vertices) && mStripsVerts->getTexCoordStrider(texCoords) && mStripsVerts->getIndexStrider(indices); LLStrider<LLVector3> v; temp2->getVertexStrider(v); LLStrider<U16> ind; temp2->getIndexStrider(ind); if (success) { for (S32 i = 0; i < temp2->getNumVerts(); ++i) { LLVector3 vert = *v++; vert.normVec(); F32 z0 = vert.mV[2]; F32 x0 = vert.mV[0]; vert *= RADIUS; *vertices++ = vert; *texCoords++ = LLVector2((-z0 + 1.f) / 2.f, (-x0 + 1.f) / 2.f); } for (S32 i = 0; i < temp2->getNumIndices(); ++i) { *indices++ = *ind++; } } mStripsVerts->flush(); #endif updateStarColors(); updateStarGeometry(drawable); LLPipeline::sCompiles++; return TRUE; }
void LLVOTree::updateMesh() { LLMatrix4 matrix; // Translate to tree base HACK - adjustment in Z plants tree underground const LLVector3 &pos_agent = getPositionAgent(); //gGL.translatef(pos_agent.mV[VX], pos_agent.mV[VY], pos_agent.mV[VZ] - 0.1f); LLMatrix4 trans_mat; trans_mat.setTranslation(pos_agent.mV[VX], pos_agent.mV[VY], pos_agent.mV[VZ] - 0.1f); trans_mat *= matrix; // Rotate to tree position and bend for current trunk/wind // Note that trunk stiffness controls the amount of bend at the trunk as // opposed to the crown of the tree // const F32 TRUNK_STIFF = 22.f; LLQuaternion rot = LLQuaternion(mTrunkBend.magVec()*TRUNK_STIFF*DEG_TO_RAD, LLVector4(mTrunkBend.mV[VX], mTrunkBend.mV[VY], 0)) * LLQuaternion(90.f*DEG_TO_RAD, LLVector4(0,0,1)) * getRotation(); LLMatrix4 rot_mat(rot); rot_mat *= trans_mat; F32 radius = getScale().magVec()*0.05f; LLMatrix4 scale_mat; scale_mat.mMatrix[0][0] = scale_mat.mMatrix[1][1] = scale_mat.mMatrix[2][2] = radius; scale_mat *= rot_mat; // const F32 THRESH_ANGLE_FOR_BILLBOARD = 15.f; // const F32 BLEND_RANGE_FOR_BILLBOARD = 3.f; F32 droop = mDroop + 25.f*(1.f - mTrunkBend.magVec()); S32 stop_depth = 0; F32 alpha = 1.0; U32 vert_count = 0; U32 index_count = 0; calcNumVerts(vert_count, index_count, mTrunkLOD, stop_depth, mDepth, mTrunkDepth, mBranches); LLFace* facep = mDrawable->getFace(0); LLVertexBuffer* buff = new LLVertexBuffer(LLDrawPoolTree::VERTEX_DATA_MASK, GL_STATIC_DRAW_ARB); buff->allocateBuffer(vert_count, index_count, TRUE); facep->setVertexBuffer(buff); LLStrider<LLVector3> vertices; LLStrider<LLVector3> normals; LLStrider<LLVector2> tex_coords; LLStrider<U16> indices; U16 idx_offset = 0; buff->getVertexStrider(vertices); buff->getNormalStrider(normals); buff->getTexCoord0Strider(tex_coords); buff->getIndexStrider(indices); genBranchPipeline(vertices, normals, tex_coords, indices, idx_offset, scale_mat, mTrunkLOD, stop_depth, mDepth, mTrunkDepth, 1.0, mTwist, droop, mBranches, alpha); mReferenceBuffer->flush(); buff->flush(); }