コード例 #1
0
ファイル: TileNode.cpp プロジェクト: caomw/osgearth
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 );
}
コード例 #2
0
ファイル: TileNode.cpp プロジェクト: rhabacker/osgearth
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 );
}
コード例 #3
0
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 );
}
コード例 #4
0
ファイル: TileNode.cpp プロジェクト: 469447793/osgearth
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 );
}