//create a vertex buffer for efficiently rendering cubes
LLVertexBuffer* ll_create_cube_vb(U32 type_mask, U32 usage)
{
LLVertexBuffer* ret = new LLVertexBuffer(type_mask, usage);
ret->allocateBuffer(8, 64, true);
LLStrider<LLVector3> pos;
LLStrider<U16> idx;
ret->getVertexStrider(pos);
ret->getIndexStrider(idx);
pos[0] = LLVector3(-1,-1,-1);
pos[1] = LLVector3(-1,-1, 1);
pos[2] = LLVector3(-1, 1,-1);
pos[3] = LLVector3(-1, 1, 1);
pos[4] = LLVector3( 1,-1,-1);
pos[5] = LLVector3( 1,-1, 1);
pos[6] = LLVector3( 1, 1,-1);
pos[7] = LLVector3( 1, 1, 1);
for (U32 i = 0; i < 64; i++)
{
idx[i] = sOcclusionIndices[i];
}
ret->flush();
return ret;
}
// static
void LLViewerJointMesh::updateGeometry(LLFace *mFace, LLPolyMesh *mMesh)
{
LLStrider<LLVector3> o_vertices;
LLStrider<LLVector3> o_normals;
//get vertex and normal striders
LLVertexBuffer* buffer = mFace->getVertexBuffer();
buffer->getVertexStrider(o_vertices, 0);
buffer->getNormalStrider(o_normals, 0);
F32* __restrict vert = o_vertices[0].mV;
F32* __restrict norm = o_normals[0].mV;
const F32* __restrict weights = mMesh->getWeights();
const LLVector4a* __restrict coords = (LLVector4a*) mMesh->getCoords();
const LLVector4a* __restrict normals = (LLVector4a*) mMesh->getNormals();
U32 offset = mMesh->mFaceVertexOffset*4;
vert += offset;
norm += offset;
for (U32 index = 0; index < mMesh->getNumVertices(); index++)
{
// equivalent to joint = floorf(weights[index]);
S32 joint = _mm_cvtt_ss2si(_mm_load_ss(weights+index));
F32 w = weights[index] - joint;
LLMatrix4a gBlendMat;
if (w != 0.f)
{
// blend between matrices and apply
gBlendMat.setLerp(gJointMatAligned[joint+0],
gJointMatAligned[joint+1], w);
LLVector4a res;
gBlendMat.affineTransform(coords[index], res);
res.store4a(vert+index*4);
gBlendMat.rotate(normals[index], res);
res.store4a(norm+index*4);
}
else
{ // No lerp required in this case.
LLVector4a res;
gJointMatAligned[joint].affineTransform(coords[index], res);
res.store4a(vert+index*4);
gJointMatAligned[joint].rotate(normals[index], res);
res.store4a(norm+index*4);
}
}
buffer->flush();
}
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();
}
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;
}
BOOL LLVOWater::updateGeometry(LLDrawable *drawable)
{
LLFastTimer ftm(LLFastTimer::FTM_UPDATE_WATER);
LLFace *face;
if (drawable->getNumFaces() < 1)
{
LLDrawPoolWater *poolp = (LLDrawPoolWater*) gPipeline.getPool(LLDrawPool::POOL_WATER);
drawable->addFace(poolp, NULL);
}
face = drawable->getFace(0);
// LLVector2 uvs[4];
// LLVector3 vtx[4];
LLStrider<LLVector3> verticesp, normalsp;
LLStrider<LLVector2> texCoordsp;
LLStrider<U16> indicesp;
U16 index_offset;
// A quad is 4 vertices and 6 indices (making 2 triangles)
static const unsigned int vertices_per_quad = 4;
static const unsigned int indices_per_quad = 6;
static const LLCachedControl<bool> render_transparent_water("RenderTransparentWater",false);
const S32 size = (render_transparent_water && !LLGLSLShader::sNoFixedFunction) ? 16 : 1;
const S32 num_quads = size * size;
face->setSize(vertices_per_quad * num_quads,
indices_per_quad * num_quads);
LLVertexBuffer* buff = face->getVertexBuffer();
if (!buff)
{
buff = new LLVertexBuffer(LLDrawPoolWater::VERTEX_DATA_MASK, GL_DYNAMIC_DRAW_ARB);
buff->allocateBuffer(face->getGeomCount(), face->getIndicesCount(), TRUE);
face->setIndicesIndex(0);
face->setGeomIndex(0);
face->setVertexBuffer(buff);
}
else
{
buff->resizeBuffer(face->getGeomCount(), face->getIndicesCount());
}
index_offset = face->getGeometry(verticesp,normalsp,texCoordsp, indicesp);
LLVector3 position_agent;
position_agent = getPositionAgent();
face->mCenterAgent = position_agent;
face->mCenterLocal = position_agent;
S32 x, y;
F32 step_x = getScale().mV[0] / size;
F32 step_y = getScale().mV[1] / size;
const LLVector3 up(0.f, step_y * 0.5f, 0.f);
const LLVector3 right(step_x * 0.5f, 0.f, 0.f);
const LLVector3 normal(0.f, 0.f, 1.f);
F32 size_inv = 1.f / size;
for (y = 0; y < size; y++)
{
for (x = 0; x < size; x++)
{
S32 toffset = index_offset + 4*(y*size + x);
position_agent = getPositionAgent() - getScale() * 0.5f;
position_agent.mV[VX] += (x + 0.5f) * step_x;
position_agent.mV[VY] += (y + 0.5f) * step_y;
*verticesp++ = position_agent - right + up;
*verticesp++ = position_agent - right - up;
*verticesp++ = position_agent + right + up;
*verticesp++ = position_agent + right - up;
*texCoordsp++ = LLVector2(x*size_inv, (y+1)*size_inv);
*texCoordsp++ = LLVector2(x*size_inv, y*size_inv);
*texCoordsp++ = LLVector2((x+1)*size_inv, (y+1)*size_inv);
*texCoordsp++ = LLVector2((x+1)*size_inv, y*size_inv);
*normalsp++ = normal;
*normalsp++ = normal;
*normalsp++ = normal;
*normalsp++ = normal;
*indicesp++ = toffset + 0;
*indicesp++ = toffset + 1;
*indicesp++ = toffset + 2;
*indicesp++ = toffset + 1;
*indicesp++ = toffset + 3;
*indicesp++ = toffset + 2;
}
}
buff->flush();
mDrawable->movePartition();
LLPipeline::sCompiles++;
return TRUE;
}
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<LLVector4a> 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->setVertexBuffer(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(),
//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->flush();
mFaceList.clear();
}
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();
}
