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)
{
LLFastTimer ftm(FTM_REBUILD_PARTICLE_GEOM);
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;
LLStrider<LLColor4U> emissivep;
buffer->getVertexStrider(verticesp);
buffer->getNormalStrider(normalsp);
buffer->getColorStrider(colorsp);
buffer->getEmissiveStrider(emissivep);
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();
if (!facep->isState(LLFace::PARTICLE))
{ //set the indices of this face
S32 idx = LLVOPartGroup::findAvailableVBSlot();
if (idx >= 0)
{
facep->setGeomIndex(idx*4);
facep->setIndicesIndex(idx*6);
facep->setVertexBuffer(LLVOPartGroup::sVB);
facep->setPoolType(LLDrawPool::POOL_ALPHA);
facep->setState(LLFace::PARTICLE);
}
else
{
continue; //out of space in particle buffer
}
}
S32 geom_idx = (S32) facep->getGeomIndex();
LLStrider<U16> cur_idx = indicesp + facep->getIndicesStart();
LLStrider<LLVector4a> cur_vert = verticesp + geom_idx;
LLStrider<LLVector3> cur_norm = normalsp + geom_idx;
LLStrider<LLVector2> cur_tc = texcoordsp + geom_idx;
LLStrider<LLColor4U> cur_col = colorsp + geom_idx;
LLStrider<LLColor4U> cur_glow = emissivep + geom_idx;
LLColor4U* start_glow = cur_glow.get();
object->getGeometry(facep->getTEOffset(), cur_vert, cur_norm, cur_tc, cur_col, cur_glow, cur_idx);
BOOL has_glow = FALSE;
if (cur_glow.get() != start_glow)
{
has_glow = TRUE;
}
llassert(facep->getGeomCount() == 4);
llassert(facep->getIndicesCount() == 6);
vertex_count += facep->getGeomCount();
index_count += facep->getIndicesCount();
S32 idx = draw_vec.size()-1;
BOOL fullbright = facep->isState(LLFace::FULLBRIGHT);
F32 vsize = facep->getVirtualSize();
bool batched = false;
U32 bf_src = LLRender::BF_SOURCE_ALPHA;
U32 bf_dst = LLRender::BF_ONE_MINUS_SOURCE_ALPHA;
object->getBlendFunc(facep->getTEOffset(), bf_src, bf_dst);
if (idx >= 0)
{
LLDrawInfo* info = draw_vec[idx];
if (info->mTexture == facep->getTexture() &&
info->mHasGlow == has_glow &&
info->mFullbright == fullbright &&
info->mBlendFuncDst == bf_dst &&
info->mBlendFuncSrc == bf_src)
{
if (draw_vec[idx]->mEnd == facep->getGeomIndex()-1)
{
batched = true;
info->mCount += facep->getIndicesCount();
info->mEnd += facep->getGeomCount();
info->mVSize = llmax(draw_vec[idx]->mVSize, vsize);
}
else if (draw_vec[idx]->mStart == facep->getGeomIndex()+facep->getGeomCount()+1)
{
batched = true;
info->mCount += facep->getIndicesCount();
info->mStart -= facep->getGeomCount();
info->mOffset = facep->getIndicesStart();
info->mVSize = llmax(draw_vec[idx]->mVSize, vsize);
}
}
}
if (!batched)
{
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);
const LLVector4a* bounds = group->getBounds();
info->mExtents[0] = bounds[0];
info->mExtents[1] = bounds[1];
info->mVSize = vsize;
info->mBlendFuncDst = bf_dst;
info->mBlendFuncSrc = bf_src;
info->mHasGlow = has_glow;
info->mParticle = TRUE;
draw_vec.push_back(info);
//for alpha sorting
facep->setDrawInfo(info);
}
if(facep->getGeomCount() > 0)
{
buffer->validateRange(facep->getGeomIndex(), facep->getGeomIndex() + facep->getGeomCount() - 1, facep->getIndicesCount(), facep->getIndicesStart());
}
}
mFaceList.clear();
}
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<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();
}
void LLSprite::updateFace(LLFace &face)
{
LLViewerCamera &camera = *LLViewerCamera::getInstance();
// First, figure out how many vertices/indices we need.
U32 num_vertices, num_indices;
U32 vertex_count = 0;
// Get the total number of vertices and indices
if (mFollow)
{
num_vertices = 4;
num_indices = 6;
}
else
{
num_vertices = 4;
num_indices = 12;
}
face.setSize(num_vertices, num_indices);
if (mFollow)
{
sCameraUp = camera.getUpAxis();
sCameraRight = -camera.getLeftAxis();
sCameraPosition = camera.getOrigin();
sNormal = -camera.getAtAxis();
if (mUseCameraUp)
{
// these need to live here because the height/width may change between render calls
mScaledUp = sCameraUp;
mScaledRight = sCameraRight;
mScaledUp *= mHeightDiv2;
mScaledRight *= mWidthDiv2;
mA = mPosition + mScaledRight + mScaledUp;
mB = mPosition - mScaledRight + mScaledUp;
mC = mPosition - mScaledRight - mScaledUp;
mD = mPosition + mScaledRight - mScaledUp;
}
else
{
// The up vector is perpendicular to the camera vector...
LLVector3 camera_vec = mPosition - sCameraPosition;
mScaledRight = camera_vec % LLVector3(0.f, 0.f, 1.f);
mScaledUp = -(camera_vec % mScaledRight);
mScaledUp.normalize();
mScaledRight.normalize();
mScaledUp *= mHeightDiv2;
mScaledRight *= mWidthDiv2;
mA = mPosition + mScaledRight + mScaledUp;
mB = mPosition - mScaledRight + mScaledUp;
mC = mPosition - mScaledRight - mScaledUp;
mD = mPosition + mScaledRight - mScaledUp;
}
}
else
{
// this is equivalent to how it was done before. . .
// we need to establish a way to
// identify the orientation of a particular sprite rather than
// just banging it in on the x,z plane if it's not following the camera.
LLVector3 x_axis;
LLVector3 y_axis;
F32 dot = sNormal * LLVector3(0.f, 1.f, 0.f);
if (dot == 1.f || dot == -1.f)
{
x_axis.setVec(1.f, 0.f, 0.f);
y_axis.setVec(0.f, 1.f, 0.f);
}
else
{
x_axis = sNormal % LLVector3(0.f, -1.f, 0.f);
x_axis.normalize();
y_axis = sNormal % x_axis;
}
LLQuaternion yaw_rot(mYaw, sNormal);
// rotate axes by specified yaw
x_axis = x_axis * yaw_rot;
y_axis = y_axis * yaw_rot;
// rescale axes by width and height of sprite
x_axis = x_axis * mWidthDiv2;
y_axis = y_axis * mHeightDiv2;
mA = -x_axis + y_axis;
mB = x_axis + y_axis;
mC = x_axis - y_axis;
mD = -x_axis - y_axis;
mA += mPosition;
mB += mPosition;
mC += mPosition;
mD += mPosition;
}
face.setFaceColor(mColor);
LLStrider<LLVector3> verticesp;
LLStrider<LLVector3> normalsp;
LLStrider<LLVector2> tex_coordsp;
LLStrider<U16> indicesp;
U16 index_offset;
// Setup face
if (!face.getVertexBuffer())
{
LLVertexBuffer* buff = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX |
LLVertexBuffer::MAP_TEXCOORD0,
GL_STREAM_DRAW_ARB);
buff->allocateBuffer(4, 12, TRUE);
face.setGeomIndex(0);
face.setIndicesIndex(0);
face.setVertexBuffer(buff);
}
index_offset = face.getGeometry(verticesp,normalsp,tex_coordsp, indicesp);
*tex_coordsp = LLVector2(0.f, 0.f);
*verticesp = mC;
tex_coordsp++;
verticesp++;
vertex_count++;
*tex_coordsp = LLVector2(0.f, 1.f);
*verticesp = mB;
tex_coordsp++;
verticesp++;
vertex_count++;
*tex_coordsp = LLVector2(1.f, 1.f);
*verticesp = mA;
tex_coordsp++;
verticesp++;
vertex_count++;
*tex_coordsp = LLVector2(1.f, 0.0f);
*verticesp = mD;
tex_coordsp++;
verticesp++;
vertex_count++;
// Generate indices, since they're easy.
// Just a series of quads.
*indicesp++ = index_offset;
*indicesp++ = 2 + index_offset;
*indicesp++ = 1 + index_offset;
*indicesp++ = index_offset;
*indicesp++ = 3 + index_offset;
*indicesp++ = 2 + index_offset;
if (!mFollow)
{
*indicesp++ = 0 + index_offset;
*indicesp++ = 1 + index_offset;
*indicesp++ = 2 + index_offset;
*indicesp++ = 0 + index_offset;
*indicesp++ = 2 + index_offset;
*indicesp++ = 3 + index_offset;
}
face.getVertexBuffer()->setBuffer(0);
face.mCenterAgent = mPosition;
}
BOOL LLVOGround::updateGeometry(LLDrawable *drawable)
{
LLStrider<LLVector3> verticesp;
LLStrider<LLVector3> normalsp;
LLStrider<LLVector2> texCoordsp;
LLStrider<U16> indicesp;
S32 index_offset;
LLFace *face;
LLDrawPoolGround *poolp = (LLDrawPoolGround*) gPipeline.getPool(LLDrawPool::POOL_GROUND);
if (drawable->getNumFaces() < 1)
drawable->addFace(poolp, NULL);
face = drawable->getFace(0);
if (face->mVertexBuffer.isNull())
{
face->setSize(5, 12);
face->mVertexBuffer = new LLVertexBuffer(LLDrawPoolGround::VERTEX_DATA_MASK, GL_STREAM_DRAW_ARB);
face->mVertexBuffer->allocateBuffer(face->getGeomCount(), face->getIndicesCount(), TRUE);
face->setGeomIndex(0);
face->setIndicesIndex(0);
}
index_offset = face->getGeometry(verticesp,normalsp,texCoordsp, indicesp);
if (-1 == index_offset)
{
return TRUE;
}
///////////////////////////////////////
//
//
//
LLVector3 at_dir = LLViewerCamera::getInstance()->getAtAxis();
at_dir.mV[VZ] = 0.f;
if (at_dir.normVec() < 0.01)
{
// We really don't care, as we're not looking anywhere near the horizon.
}
LLVector3 left_dir = LLViewerCamera::getInstance()->getLeftAxis();
left_dir.mV[VZ] = 0.f;
left_dir.normVec();
// Our center top point
LLColor4 ground_color = gSky.getFogColor();
ground_color.mV[3] = 1.f;
face->setFaceColor(ground_color);
*(verticesp++) = LLVector3(64, 64, 0);
*(verticesp++) = LLVector3(-64, 64, 0);
*(verticesp++) = LLVector3(-64, -64, 0);
*(verticesp++) = LLVector3(64, -64, 0);
*(verticesp++) = LLVector3(0, 0, -1024);
// Triangles for each side
*indicesp++ = index_offset + 0;
*indicesp++ = index_offset + 1;
*indicesp++ = index_offset + 4;
*indicesp++ = index_offset + 1;
*indicesp++ = index_offset + 2;
*indicesp++ = index_offset + 4;
*indicesp++ = index_offset + 2;
*indicesp++ = index_offset + 3;
*indicesp++ = index_offset + 4;
*indicesp++ = index_offset + 3;
*indicesp++ = index_offset + 0;
*indicesp++ = index_offset + 4;
*(texCoordsp++) = LLVector2(0.f, 0.f);
*(texCoordsp++) = LLVector2(1.f, 0.f);
*(texCoordsp++) = LLVector2(1.f, 1.f);
*(texCoordsp++) = LLVector2(0.f, 1.f);
*(texCoordsp++) = LLVector2(0.5f, 0.5f);
face->mVertexBuffer->setBuffer(0);
LLPipeline::sCompiles++;
return TRUE;
}
BOOL LLVOTree::updateGeometry(LLDrawable *drawable)
{
LLFastTimer ftm(LLFastTimer::FTM_UPDATE_TREE);
const F32 SRR3 = 0.577350269f; // sqrt(1/3)
const F32 SRR2 = 0.707106781f; // sqrt(1/2)
U32 i, j;
U32 slices = MAX_SLICES;
S32 max_indices = LEAF_INDICES;
S32 max_vertices = LEAF_VERTICES;
S32 lod;
LLFace *face = drawable->getFace(0);
face->mCenterAgent = getPositionAgent();
face->mCenterLocal = face->mCenterAgent;
for (lod = 0; lod < 4; lod++)
{
slices = sLODSlices[lod];
sLODVertexOffset[lod] = max_vertices;
sLODVertexCount[lod] = slices*slices;
sLODIndexOffset[lod] = max_indices;
sLODIndexCount[lod] = (slices-1)*(slices-1)*6;
max_indices += sLODIndexCount[lod];
max_vertices += sLODVertexCount[lod];
}
LLStrider<LLVector3> vertices;
LLStrider<LLVector3> normals;
LLStrider<LLVector2> tex_coords;
LLStrider<U16> indicesp;
face->setSize(max_vertices, max_indices);
face->mVertexBuffer = new LLVertexBuffer(LLDrawPoolTree::VERTEX_DATA_MASK, GL_STATIC_DRAW_ARB);
face->mVertexBuffer->allocateBuffer(max_vertices, max_indices, TRUE);
face->setGeomIndex(0);
face->setIndicesIndex(0);
face->getGeometry(vertices, normals, tex_coords, indicesp);
S32 vertex_count = 0;
S32 index_count = 0;
// First leaf
*(normals++) = LLVector3(-SRR2, -SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_BOTTOM);
*(vertices++) = LLVector3(-0.5f*LEAF_WIDTH, 0.f, 0.f);
vertex_count++;
*(normals++) = LLVector3(SRR3, -SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_TOP);
*(vertices++) = LLVector3(0.5f*LEAF_WIDTH, 0.f, 1.f);
vertex_count++;
*(normals++) = LLVector3(-SRR3, -SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_TOP);
*(vertices++) = LLVector3(-0.5f*LEAF_WIDTH, 0.f, 1.f);
vertex_count++;
*(normals++) = LLVector3(SRR2, -SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_BOTTOM);
*(vertices++) = LLVector3(0.5f*LEAF_WIDTH, 0.f, 0.f);
vertex_count++;
*(indicesp++) = 0;
index_count++;
*(indicesp++) = 1;
index_count++;
*(indicesp++) = 2;
index_count++;
*(indicesp++) = 0;
index_count++;
*(indicesp++) = 3;
index_count++;
*(indicesp++) = 1;
index_count++;
// Same leaf, inverse winding/normals
*(normals++) = LLVector3(-SRR2, SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_BOTTOM);
*(vertices++) = LLVector3(-0.5f*LEAF_WIDTH, 0.f, 0.f);
vertex_count++;
*(normals++) = LLVector3(SRR3, SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_TOP);
*(vertices++) = LLVector3(0.5f*LEAF_WIDTH, 0.f, 1.f);
vertex_count++;
*(normals++) = LLVector3(-SRR3, SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_TOP);
*(vertices++) = LLVector3(-0.5f*LEAF_WIDTH, 0.f, 1.f);
vertex_count++;
*(normals++) = LLVector3(SRR2, SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_BOTTOM);
*(vertices++) = LLVector3(0.5f*LEAF_WIDTH, 0.f, 0.f);
vertex_count++;
*(indicesp++) = 4;
index_count++;
*(indicesp++) = 6;
index_count++;
*(indicesp++) = 5;
index_count++;
*(indicesp++) = 4;
index_count++;
*(indicesp++) = 5;
index_count++;
*(indicesp++) = 7;
index_count++;
// next leaf
*(normals++) = LLVector3(SRR2, -SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_BOTTOM);
*(vertices++) = LLVector3(0.f, -0.5f*LEAF_WIDTH, 0.f);
vertex_count++;
*(normals++) = LLVector3(SRR3, SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_TOP);
*(vertices++) = LLVector3(0.f, 0.5f*LEAF_WIDTH, 1.f);
vertex_count++;
*(normals++) = LLVector3(SRR3, -SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_TOP);
*(vertices++) = LLVector3(0.f, -0.5f*LEAF_WIDTH, 1.f);
vertex_count++;
*(normals++) = LLVector3(SRR2, SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_BOTTOM);
*(vertices++) = LLVector3(0.f, 0.5f*LEAF_WIDTH, 0.f);
vertex_count++;
*(indicesp++) = 8;
index_count++;
*(indicesp++) = 9;
index_count++;
*(indicesp++) = 10;
index_count++;
*(indicesp++) = 8;
index_count++;
*(indicesp++) = 11;
index_count++;
*(indicesp++) = 9;
index_count++;
// other side of same leaf
*(normals++) = LLVector3(-SRR2, -SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_BOTTOM);
*(vertices++) = LLVector3(0.f, -0.5f*LEAF_WIDTH, 0.f);
vertex_count++;
*(normals++) = LLVector3(-SRR3, SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_TOP);
*(vertices++) = LLVector3(0.f, 0.5f*LEAF_WIDTH, 1.f);
vertex_count++;
*(normals++) = LLVector3(-SRR3, -SRR3, SRR3);
*(tex_coords++) = LLVector2(LEAF_LEFT, LEAF_TOP);
*(vertices++) = LLVector3(0.f, -0.5f*LEAF_WIDTH, 1.f);
vertex_count++;
*(normals++) = LLVector3(-SRR2, SRR2, 0.f);
*(tex_coords++) = LLVector2(LEAF_RIGHT, LEAF_BOTTOM);
*(vertices++) = LLVector3(0.f, 0.5f*LEAF_WIDTH, 0.f);
vertex_count++;
*(indicesp++) = 12;
index_count++;
*(indicesp++) = 14;
index_count++;
*(indicesp++) = 13;
index_count++;
*(indicesp++) = 12;
index_count++;
*(indicesp++) = 13;
index_count++;
*(indicesp++) = 15;
index_count++;
// Generate geometry for the cylinders
// Different LOD's
// Generate the vertices
// Generate the indices
for (lod = 0; lod < 4; lod++)
{
slices = sLODSlices[lod];
F32 base_radius = 0.65f;
F32 top_radius = base_radius * sSpeciesTable[mSpecies]->mTaper;
//llinfos << "Species " << ((U32) mSpecies) << ", taper = " << sSpeciesTable[mSpecies].mTaper << llendl;
//llinfos << "Droop " << mDroop << ", branchlength: " << mBranchLength << llendl;
F32 angle = 0;
F32 angle_inc = 360.f/(slices-1);
F32 z = 0.f;
F32 z_inc = 1.f;
if (slices > 3)
{
z_inc = 1.f/(slices - 3);
}
F32 radius = base_radius;
F32 x1,y1;
F32 noise_scale = sSpeciesTable[mSpecies]->mNoiseMag;
LLVector3 nvec;
const F32 cap_nudge = 0.1f; // Height to 'peak' the caps on top/bottom of branch
const S32 fractal_depth = 5;
F32 nvec_scale = 1.f * sSpeciesTable[mSpecies]->mNoiseScale;
F32 nvec_scalez = 4.f * sSpeciesTable[mSpecies]->mNoiseScale;
F32 tex_z_repeat = sSpeciesTable[mSpecies]->mRepeatTrunkZ;
F32 start_radius;
F32 nangle = 0;
F32 height = 1.f;
F32 r0;
for (i = 0; i < slices; i++)
{
if (i == 0)
{
z = - cap_nudge;
r0 = 0.0;
}
else if (i == (slices - 1))
{
z = 1.f + cap_nudge;//((i - 2) * z_inc) + cap_nudge;
r0 = 0.0;
}
else
{
z = (i - 1) * z_inc;
r0 = base_radius + (top_radius - base_radius)*z;
}
for (j = 0; j < slices; j++)
{
if (slices - 1 == j)
{
angle = 0.f;
}
else
{
angle = j*angle_inc;
}
nangle = angle;
x1 = cos(angle * DEG_TO_RAD);
y1 = sin(angle * DEG_TO_RAD);
LLVector2 tc;
// This isn't totally accurate. Should compute based on slope as well.
start_radius = r0 * (1.f + 1.2f*fabs(z - 0.66f*height)/height);
nvec.setVec( cos(nangle * DEG_TO_RAD)*start_radius*nvec_scale,
sin(nangle * DEG_TO_RAD)*start_radius*nvec_scale,
z*nvec_scalez);
// First and last slice at 0 radius (to bring in top/bottom of structure)
radius = start_radius + turbulence3((F32*)&nvec.mV, (F32)fractal_depth)*noise_scale;
if (slices - 1 == j)
{
// Not 0.5 for slight slop factor to avoid edges on leaves
tc = LLVector2(0.490f, (1.f - z/2.f)*tex_z_repeat);
}
else
{
tc = LLVector2((angle/360.f)*0.5f, (1.f - z/2.f)*tex_z_repeat);
}
*(vertices++) = LLVector3(x1*radius, y1*radius, z);
*(normals++) = LLVector3(x1, y1, 0.f);
*(tex_coords++) = tc;
vertex_count++;
}
}
for (i = 0; i < (slices - 1); i++)
{
for (j = 0; j < (slices - 1); j++)
{
S32 x1_offset = j+1;
if ((j+1) == slices)
{
x1_offset = 0;
}
// Generate the matching quads
*(indicesp) = j + (i*slices) + sLODVertexOffset[lod];
llassert(*(indicesp) < (U32)max_vertices);
indicesp++;
index_count++;
*(indicesp) = x1_offset + ((i+1)*slices) + sLODVertexOffset[lod];
llassert(*(indicesp) < (U32)max_vertices);
indicesp++;
index_count++;
*(indicesp) = j + ((i+1)*slices) + sLODVertexOffset[lod];
llassert(*(indicesp) < (U32)max_vertices);
indicesp++;
index_count++;
*(indicesp) = j + (i*slices) + sLODVertexOffset[lod];
llassert(*(indicesp) < (U32)max_vertices);
indicesp++;
index_count++;
*(indicesp) = x1_offset + (i*slices) + sLODVertexOffset[lod];
llassert(*(indicesp) < (U32)max_vertices);
indicesp++;
index_count++;
*(indicesp) = x1_offset + ((i+1)*slices) + sLODVertexOffset[lod];
llassert(*(indicesp) < (U32)max_vertices);
indicesp++;
index_count++;
}
}
slices /= 2;
}
face->mVertexBuffer->setBuffer(0);
llassert(vertex_count == max_vertices);
llassert(index_count == max_indices);
return TRUE;
}
void LLParticlePartition::getGeometry(LLSpatialGroup* group)
{
LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
LLFastTimer ftm(FTM_REBUILD_PARTICLE_GEOM);
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);
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();
if (!facep->isState(LLFace::PARTICLE))
{ //set the indices of this face
S32 idx = LLVOPartGroup::findAvailableVBSlot();
if (idx >= 0)
{
facep->setGeomIndex(idx*4);
facep->setIndicesIndex(idx*6);
facep->setVertexBuffer(LLVOPartGroup::sVB);
facep->setPoolType(LLDrawPool::POOL_ALPHA);
facep->setState(LLFace::PARTICLE);
}
else
{
continue; //out of space in particle buffer
}
}
S32 geom_idx = (S32) facep->getGeomIndex();
LLStrider<U16> cur_idx = indicesp + facep->getIndicesStart();
LLStrider<LLVector4a> cur_vert = verticesp + geom_idx;
LLStrider<LLVector3> cur_norm = normalsp + geom_idx;
LLStrider<LLVector2> cur_tc = texcoordsp + geom_idx;
LLStrider<LLColor4U> cur_col = colorsp + geom_idx;
object->getGeometry(facep->getTEOffset(), cur_vert, cur_norm, cur_tc, cur_col, cur_idx);
llassert(facep->getGeomCount() == 4);
llassert(facep->getIndicesCount() == 6);
vertex_count += facep->getGeomCount();
index_count += facep->getIndicesCount();
S32 idx = draw_vec.size()-1;
BOOL fullbright = facep->isState(LLFace::FULLBRIGHT);
F32 vsize = facep->getVirtualSize();
bool batched = false;
if (idx >= 0 &&
draw_vec[idx]->mTexture == facep->getTexture() &&
draw_vec[idx]->mFullbright == fullbright)
{
if (draw_vec[idx]->mEnd == facep->getGeomIndex()-1)
{
batched = true;
draw_vec[idx]->mCount += facep->getIndicesCount();
draw_vec[idx]->mEnd += facep->getGeomCount();
draw_vec[idx]->mVSize = llmax(draw_vec[idx]->mVSize, vsize);
}
else if (draw_vec[idx]->mStart == facep->getGeomIndex()+facep->getGeomCount()+1)
{
batched = true;
draw_vec[idx]->mCount += facep->getIndicesCount();
draw_vec[idx]->mStart -= facep->getGeomCount();
draw_vec[idx]->mOffset = facep->getIndicesStart();
draw_vec[idx]->mVSize = llmax(draw_vec[idx]->mVSize, vsize);
}
}
if (!batched)
{
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);
}
}
mFaceList.clear();
}
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;
S32 size = 16;
S32 num_quads = size*size;
face->setSize(4*num_quads, 6*num_quads);
if (face->mVertexBuffer.isNull())
{
face->mVertexBuffer = new LLVertexBuffer(LLDrawPoolWater::VERTEX_DATA_MASK, GL_DYNAMIC_DRAW_ARB);
face->mVertexBuffer->allocateBuffer(face->getGeomCount(), face->getIndicesCount(), TRUE);
face->setIndicesIndex(0);
face->setGeomIndex(0);
}
else
{
face->mVertexBuffer->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;
}
}
face->mVertexBuffer->setBuffer(0);
mDrawable->movePartition();
LLPipeline::sCompiles++;
return TRUE;
}
