void
TileNode::create(const TileKey& key, EngineContext* context)
{
_key = key;
// Create mask records
osg::ref_ptr<MaskGenerator> masks = context ? new MaskGenerator(key, context->getOptions().tileSize().get(), context->getMapFrame()) : 0L;
// Get a shared geometry from the pool that corresponds to this tile key:
osg::ref_ptr<osg::Geometry> geom;
context->getGeometryPool()->getPooledGeometry(key, context->getMapFrame().getMapInfo(), geom, masks.get());
// Create the drawable for the terrain surface:
TileDrawable* surfaceDrawable = new TileDrawable(
key,
context->getRenderBindings(),
geom.get(),
context->getOptions().tileSize().get(),
context->getGeometryPool()->getNumSkirtElements() );
surfaceDrawable->setDrawAsPatches(false);
// Create the node to house the tile drawable:
_surface = new SurfaceNode(
key,
context->getMapFrame().getMapInfo(),
context->getRenderBindings(),
surfaceDrawable );
//_surface->setNodeMask( OSGEARTH_MASK_TERRAIN_SURFACE );
// Slot it into the proper render bin:
//osg::StateSet* surfaceSS = _surface->getOrCreateStateSet();
//surfaceSS->setRenderBinDetails(0, "oe.SurfaceBin");
//surfaceSS->setNestRenderBins(false);
// Create a drawable for land cover geometry.
// Land cover will be rendered as patch data instead of triangles.
TileDrawable* patchDrawable = new TileDrawable(
key,
context->getRenderBindings(),
geom.get(),
context->getOptions().tileSize().get(),
context->getGeometryPool()->getNumSkirtElements() );
patchDrawable->setDrawAsPatches(true);
// And a node to house that as well:
_landCover = new SurfaceNode(
key,
context->getMapFrame().getMapInfo(),
context->getRenderBindings(),
patchDrawable );
//_landCover->setNodeMask( OSGEARTH_MASK_TERRAIN_LAND_COVER );
// PPP: Better way to do this rather than here?
// Can't do it at RexTerrainEngineNode level, because the SurfaceNode is not valid yet
if (context->getSelectionInfo().initialized()==false)
{
static Threading::Mutex s_selInfoMutex;
Threading::ScopedMutexLock lock(s_selInfoMutex);
if ( context->getSelectionInfo().initialized()==false)
{
SelectionInfo& selectionInfo = const_cast<SelectionInfo&>(context->getSelectionInfo());
unsigned uiFirstLOD = *(context->_options.firstLOD());
unsigned uiMaxLod = std::min( context->_options.maxLOD().get(), 19u ); // beyond LOD 19 or 20, morphing starts to lose precision.
unsigned uiTileSize = *(context->_options.tileSize());
selectionInfo.initialize(uiFirstLOD, uiMaxLod, uiTileSize, getVisibilityRangeHint(context)); //uiFirstLOD));
}
}
// initialize all the per-tile uniforms the shaders will need:
createTileUniforms();
updateTileUniforms(context->getSelectionInfo());
// Set up a data container for multipass layer rendering:
_mptex = new MPTexture();
surfaceDrawable->setMPTexture( _mptex.get() );
// need to recompute the bounds after adding payload:
dirtyBound();
// signal the tile to start loading data:
setDirty( true );
// register me.
context->liveTiles()->add( this );
}
void
TileNode::create(const TileKey& key, TileNode* parent, EngineContext* context)
{
if (!context)
return;
_context = context;
_key = key;
// Mask generator creates geometry from masking boundaries when they exist.
osg::ref_ptr<MaskGenerator> masks = new MaskGenerator(
key,
context->getOptions().tileSize().get(),
context->getMap());
MapInfo mapInfo(context->getMap());
// Get a shared geometry from the pool that corresponds to this tile key:
osg::ref_ptr<SharedGeometry> geom;
context->getGeometryPool()->getPooledGeometry(
key,
mapInfo,
context->getOptions().tileSize().get(),
masks.get(),
geom);
// If we donget an empty, that most likely means the tile was completely
// contained by a masking boundary. Mark as empty and we are done.
if (geom->empty())
{
OE_DEBUG << LC << "Tile " << _key.str() << " is empty.\n";
_empty = true;
return;
}
// Create the drawable for the terrain surface:
TileDrawable* surfaceDrawable = new TileDrawable(
key,
geom.get(),
context->getOptions().tileSize().get() );
// Give the tile Drawable access to the render model so it can properly
// calculate its bounding box and sphere.
surfaceDrawable->setModifyBBoxCallback(context->getModifyBBoxCallback());
// Create the node to house the tile drawable:
_surface = new SurfaceNode(
key,
mapInfo,
context->getRenderBindings(),
surfaceDrawable );
// create a data load request for this new tile:
_loadRequest = new LoadTileData( this, context );
_loadRequest->setName( _key.str() );
_loadRequest->setTileKey( _key );
// whether the stitch together normal maps for adjacent tiles.
_stitchNormalMap = context->_options.normalizeEdges() == true;
// Encode the tile key in a uniform. Note! The X and Y components are presented
// modulo 2^16 form so they don't overrun single-precision space.
unsigned tw, th;
_key.getProfile()->getNumTiles(_key.getLOD(), tw, th);
const double m = 65536; //pow(2.0, 16.0);
double x = (double)_key.getTileX();
double y = (double)(th - _key.getTileY()-1);
_tileKeyValue.set(
(float)fmod(x, m),
(float)fmod(y, m),
(float)_key.getLOD(),
-1.0f);
// initialize all the per-tile uniforms the shaders will need:
float start = (float)context->getSelectionInfo().visParameters(_key.getLOD())._fMorphStart;
float end = (float)context->getSelectionInfo().visParameters(_key.getLOD())._fMorphEnd;
float one_by_end_minus_start = end - start;
one_by_end_minus_start = 1.0f/one_by_end_minus_start;
_morphConstants.set( end * one_by_end_minus_start, one_by_end_minus_start );
// Initialize the data model by copying the parent's rendering data
// and scale/biasing the matrices.
if (parent)
{
unsigned quadrant = getKey().getQuadrant();
const RenderBindings& bindings = context->getRenderBindings();
bool setElevation = false;
for (unsigned p = 0; p < parent->_renderModel._passes.size(); ++p)
{
const RenderingPass& parentPass = parent->_renderModel._passes[p];
// Copy the parent pass:
_renderModel._passes.push_back(parentPass);
RenderingPass& myPass = _renderModel._passes.back();
// Scale/bias each matrix for this key quadrant.
Samplers& samplers = myPass.samplers();
for (unsigned s = 0; s < samplers.size(); ++s)
{
samplers[s]._matrix.preMult(scaleBias[quadrant]);
}
// Are we using image blending? If so, initialize the color_parent
// to the color texture.
if (bindings[SamplerBinding::COLOR_PARENT].isActive())
{
samplers[SamplerBinding::COLOR_PARENT] = samplers[SamplerBinding::COLOR];
}
}
// Copy the parent's shared samplers and scale+bias each matrix to the new quadrant:
_renderModel._sharedSamplers = parent->_renderModel._sharedSamplers;
for (unsigned s = 0; s<_renderModel._sharedSamplers.size(); ++s)
{
Sampler& sampler = _renderModel._sharedSamplers[s];
sampler._matrix.preMult(scaleBias[quadrant]);
}
// Use the elevation sampler to initialize the elevation raster
// (used for primitive functors, intersection, etc.)
if (!setElevation && bindings[SamplerBinding::ELEVATION].isActive())
{
const Sampler& elevation = _renderModel._sharedSamplers[SamplerBinding::ELEVATION];
if (elevation._texture.valid())
{
setElevationRaster(elevation._texture->getImage(0), elevation._matrix);
setElevation = true;
}
}
}
// need to recompute the bounds after adding payload:
dirtyBound();
// signal the tile to start loading data:
setDirty( true );
// register me.
context->liveTiles()->add( this );
// tell the world.
OE_DEBUG << LC << "notify (create) key " << getKey().str() << std::endl;
context->getEngine()->getTerrain()->notifyTileAdded(getKey(), this);
}
void
TileNode::create(const TileKey& key, EngineContext* context)
{
if (!context)
return;
_key = key;
// Create mask records
osg::ref_ptr<MaskGenerator> masks = new MaskGenerator(key, context->getOptions().tileSize().get(), context->getMapFrame());
// Get a shared geometry from the pool that corresponds to this tile key:
osg::ref_ptr<osg::Geometry> geom;
context->getGeometryPool()->getPooledGeometry(key, context->getMapFrame().getMapInfo(), geom, masks.get());
// Create the drawable for the terrain surface:
TileDrawable* surfaceDrawable = new TileDrawable(
key,
context->getRenderBindings(),
geom.get(),
context->getOptions().tileSize().get(),
context->getGeometryPool()->getNumSkirtElements() );
surfaceDrawable->setDrawAsPatches(false);
// Create the node to house the tile drawable:
_surface = new SurfaceNode(
key,
context->getMapFrame().getMapInfo(),
context->getRenderBindings(),
surfaceDrawable );
// Create a drawable for "patch" geometry, which is rendered as GL patches, not triangles.
// Patch geometry can be used to place land cover or render other tile-specific data.
TileDrawable* patchDrawable = new TileDrawable(
key,
context->getRenderBindings(),
geom.get(),
context->getOptions().tileSize().get(),
context->getGeometryPool()->getNumSkirtElements() );
patchDrawable->setDrawAsPatches(true);
// And a node to house that as well:
_patch = new SurfaceNode(
key,
context->getMapFrame().getMapInfo(),
context->getRenderBindings(),
patchDrawable );
// initialize all the per-tile uniforms the shaders will need:
createPayloadStateSet(context);
updateTileUniforms(context->getSelectionInfo());
// Set up a data container for multipass layer rendering:
_mptex = new MPTexture();
surfaceDrawable->setMPTexture( _mptex.get() );
// need to recompute the bounds after adding payload:
dirtyBound();
// signal the tile to start loading data:
setDirty( true );
// register me.
context->liveTiles()->add( this );
}
void
TileNode::create(const TileKey& key, EngineContext* context)
{
_key = key;
// Get a shared geometry from the pool that corresponds to this tile key:
osg::ref_ptr<osg::Geometry> geom;
context->getGeometryPool()->getPooledGeometry(key, context->getMapFrame().getMapInfo(), geom);
// Create the drawable for the terrain surface:
TileDrawable* surfaceDrawable = new TileDrawable(
key,
context->getRenderBindings(),
geom.get(),
context->getOptions().tileSize().get() );
surfaceDrawable->setDrawAsPatches(false);
// Create the node to house the tile drawable:
_surface = new SurfaceNode(
key,
context->getMapFrame().getMapInfo(),
context->getRenderBindings(),
surfaceDrawable );
// Slot it into the proper render bin:
osg::StateSet* surfaceSS = _surface->getOrCreateStateSet();
surfaceSS->setRenderBinDetails(0, "oe.SurfaceBin");
surfaceSS->setNestRenderBins(false);
// Create a drawable for land cover geometry.
// Land cover will be rendered as patch data instead of triangles.
TileDrawable* patchDrawable = new TileDrawable(
key,
context->getRenderBindings(),
geom.get(),
context->getOptions().tileSize().get() );
patchDrawable->setDrawAsPatches(true);
// And a node to house that as well:
_landCover = new SurfaceNode(
key,
context->getMapFrame().getMapInfo(),
context->getRenderBindings(),
patchDrawable );
// PPP: Better way to do this rather than here?
// Can't do it at RexTerrainEngineNode level, because the SurfaceNode is not valid yet
if (context->getSelectionInfo().initialized()==false)
{
SelectionInfo& selectionInfo = const_cast<SelectionInfo&>(context->getSelectionInfo());
unsigned uiFirstLOD = *(context->_options.firstLOD());
unsigned uiMaxLod = *(context->_options.maxLOD());
unsigned uiTileSize = *(context->_options.tileSize());
selectionInfo.initialize(uiFirstLOD, uiMaxLod, uiTileSize, getVisibilityRangeHint(uiFirstLOD));
}
// initialize all the per-tile uniforms the shaders will need:
createTileUniforms();
updateTileUniforms(context->getSelectionInfo());
// Set up a data container for multipass layer rendering:
_mptex = new MPTexture();
surfaceDrawable->setMPTexture( _mptex.get() );
// need to recompute the bounds after adding payload:
dirtyBound();
// signal the tile to start loading data:
setDirty( true );
// register me.
context->liveTiles()->add( this );
}
void
TileNode::create(const TileKey& key, EngineContext* context)
{
if (!context)
return;
_key = key;
// Create mask records
osg::ref_ptr<MaskGenerator> masks = new MaskGenerator(key, context->getOptions().tileSize().get(), context->getMapFrame());
// Get a shared geometry from the pool that corresponds to this tile key:
osg::ref_ptr<osg::Geometry> geom;
context->getGeometryPool()->getPooledGeometry(key, context->getMapFrame().getMapInfo(), geom, masks.get());
// Create the drawable for the terrain surface:
TileDrawable* surfaceDrawable = new TileDrawable(
key,
context->getRenderBindings(),
geom.get(),
context->getOptions().tileSize().get(),
context->getGeometryPool()->getNumSkirtElements() );
surfaceDrawable->setDrawAsPatches(false);
// Create the node to house the tile drawable:
_surface = new SurfaceNode(
key,
context->getMapFrame().getMapInfo(),
context->getRenderBindings(),
surfaceDrawable );
// Create a drawable for "patch" geometry, which is rendered as GL patches, not triangles.
// Patch geometry can be used to place land cover or render other tile-specific data.
TileDrawable* patchDrawable = new TileDrawable(
key,
context->getRenderBindings(),
geom.get(),
context->getOptions().tileSize().get(),
context->getGeometryPool()->getNumSkirtElements() );
patchDrawable->setDrawAsPatches(true);
// And a node to house that as well:
_patch = new SurfaceNode(
key,
context->getMapFrame().getMapInfo(),
context->getRenderBindings(),
patchDrawable );
// PPP: Better way to do this rather than here?
// Can't do it at RexTerrainEngineNode level, because the SurfaceNode is not valid yet
if (context->getSelectionInfo().initialized()==false)
{
static Threading::Mutex s_selInfoMutex;
Threading::ScopedMutexLock lock(s_selInfoMutex);
if ( context->getSelectionInfo().initialized()==false)
{
SelectionInfo& selectionInfo = const_cast<SelectionInfo&>(context->getSelectionInfo());
unsigned uiFirstLOD = *(context->_options.firstLOD());
unsigned uiMaxLod = std::min( context->_options.maxLOD().get(), 19u ); // beyond LOD 19 or 20, morphing starts to lose precision.
unsigned uiTileSize = *(context->_options.tileSize());
selectionInfo.initialize(uiFirstLOD, uiMaxLod, uiTileSize, getVisibilityRangeHint(context));
}
}
// initialize all the per-tile uniforms the shaders will need:
createPayloadStateSet(context);
updateTileUniforms(context->getSelectionInfo());
// Set up a data container for multipass layer rendering:
_mptex = new MPTexture();
surfaceDrawable->setMPTexture( _mptex.get() );
// need to recompute the bounds after adding payload:
dirtyBound();
// signal the tile to start loading data:
setDirty( true );
// register me.
context->liveTiles()->add( this );
}
