void
RexTerrainEngineNode::addTileLayer(Layer* tileLayer)
{
if ( tileLayer && tileLayer->getEnabled() )
{
ImageLayer* imageLayer = dynamic_cast<ImageLayer*>(tileLayer);
if (imageLayer)
{
// for a shared layer, allocate a shared image unit if necessary.
if ( imageLayer->isShared() )
{
if (!imageLayer->shareImageUnit().isSet())
{
int temp;
if ( getResources()->reserveTextureImageUnit(temp, imageLayer->getName().c_str()) )
{
imageLayer->shareImageUnit() = temp;
//OE_INFO << LC << "Image unit " << temp << " assigned to shared layer " << imageLayer->getName() << std::endl;
}
else
{
OE_WARN << LC << "Insufficient GPU image units to share layer " << imageLayer->getName() << std::endl;
}
}
// Build a sampler binding for the shared layer.
if ( imageLayer->shareImageUnit().isSet() )
{
// Find the next empty SHARED slot:
unsigned newIndex = SamplerBinding::SHARED;
while (_renderBindings[newIndex].isActive())
++newIndex;
// Put the new binding there:
SamplerBinding& newBinding = _renderBindings[newIndex];
newBinding.usage() = SamplerBinding::SHARED;
newBinding.sourceUID() = imageLayer->getUID();
newBinding.unit() = imageLayer->shareImageUnit().get();
newBinding.samplerName() = imageLayer->shareTexUniformName().get();
newBinding.matrixName() = imageLayer->shareTexMatUniformName().get();
OE_INFO << LC
<< "Shared Layer \"" << imageLayer->getName() << "\" : sampler=\"" << newBinding.samplerName() << "\", "
<< "matrix=\"" << newBinding.matrixName() << "\", "
<< "unit=" << newBinding.unit() << "\n";
}
}
}
else
{
// non-image tile layer. Keep track of these..
}
if (_terrain)
{
// Update the existing render models, and trigger a data reload.
// Later we can limit the reload to an update of only the new data.
UpdateRenderModels updateModels(_mapFrame);
#if 0
// This uses the loaddata filter approach which will only request
// data for one layer. It mostly works but not 100%; see hires-insets
// as an example. Removing the world layer and re-adding it while
// zoomed in doesn't result in all tiles reloading. Possibly a
// synchronization issue.
ImageLayerVector imageLayers;
_mapFrame.getLayers(imageLayers);
if (imageLayers.size() == 1)
updateModels.setReloadData(true);
else
updateModels.layersToLoad().insert(tileLayer->getUID());
#else
updateModels.setReloadData(true);
#endif
_terrain->accept(updateModels);
}
}
}
Config
EarthFileSerializer2::serialize(const MapNode* input, const std::string& referrer) const
{
Config mapConf("map");
mapConf.set("version", "2");
if ( !input || !input->getMap() )
return mapConf;
const Map* map = input->getMap();
MapFrame mapf( map, Map::ENTIRE_MODEL );
// the map and node options:
Config optionsConf = map->getInitialMapOptions().getConfig();
optionsConf.merge( input->getMapNodeOptions().getConfig() );
mapConf.add( "options", optionsConf );
// the layers
for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); ++i )
{
ImageLayer* layer = i->get();
//Config layerConf = layer->getInitialOptions().getConfig();
Config layerConf = layer->getImageLayerOptions().getConfig();
layerConf.set("name", layer->getName());
layerConf.set("driver", layer->getInitialOptions().driver()->getDriver());
mapConf.add( "image", layerConf );
}
for( ElevationLayerVector::const_iterator i = mapf.elevationLayers().begin(); i != mapf.elevationLayers().end(); ++i )
{
ElevationLayer* layer = i->get();
//Config layerConf = layer->getInitialOptions().getConfig();
Config layerConf = layer->getElevationLayerOptions().getConfig();
layerConf.set("name", layer->getName());
layerConf.set("driver", layer->getInitialOptions().driver()->getDriver());
mapConf.add( "elevation", layerConf );
}
for( ModelLayerVector::const_iterator i = mapf.modelLayers().begin(); i != mapf.modelLayers().end(); ++i )
{
ModelLayer* layer = i->get();
Config layerConf = layer->getModelLayerOptions().getConfig();
layerConf.set("name", layer->getName());
layerConf.set("driver", layer->getModelLayerOptions().driver()->getDriver());
mapConf.add( "model", layerConf );
}
Config ext = input->externalConfig();
if ( !ext.empty() )
{
ext.key() = "extensions";
mapConf.add( ext );
}
#if 0 // removed until it can be debugged.
// Re-write pathnames in the Config so they are relative to the new referrer.
if ( _rewritePaths && !referrer.empty() )
{
RewritePaths rewritePaths( referrer );
rewritePaths.setRewriteAbsolutePaths( _rewriteAbsolutePaths );
rewritePaths.apply( mapConf );
}
#endif
return mapConf;
}
// Generates the main shader code for rendering the terrain.
void
RexTerrainEngineNode::updateState()
{
if ( _batchUpdateInProgress )
{
_stateUpdateRequired = true;
}
else
{
osg::StateSet* terrainStateSet = _terrain->getOrCreateStateSet(); // everything
osg::StateSet* surfaceStateSet = getSurfaceStateSet(); // just the surface
//terrainStateSet->setRenderBinDetails(0, "SORT_FRONT_TO_BACK");
// required for multipass tile rendering to work
surfaceStateSet->setAttributeAndModes(
new osg::Depth(osg::Depth::LEQUAL, 0, 1, true) );
surfaceStateSet->setAttributeAndModes(
new osg::CullFace(), osg::StateAttribute::ON);
// activate standard mix blending.
terrainStateSet->setAttributeAndModes(
new osg::BlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA),
osg::StateAttribute::ON );
// install patch param if we are tessellation on the GPU.
if ( _terrainOptions.gpuTessellation() == true )
{
#ifdef HAVE_PATCH_PARAMETER
terrainStateSet->setAttributeAndModes( new osg::PatchParameter(3) );
#endif
}
// install shaders, if we're using them.
if ( Registry::capabilities().supportsGLSL() )
{
Shaders package;
VirtualProgram* terrainVP = VirtualProgram::getOrCreate(terrainStateSet);
terrainVP->setName( "Rex Terrain" );
package.load(terrainVP, package.ENGINE_VERT_MODEL);
surfaceStateSet->addUniform(new osg::Uniform("oe_terrain_color", _terrainOptions.color().get()));
if (_terrainOptions.enableBlending() == true)
{
surfaceStateSet->setDefine("OE_TERRAIN_BLEND_IMAGERY");
}
// Funtions that affect only the terrain surface:
VirtualProgram* surfaceVP = VirtualProgram::getOrCreate(surfaceStateSet);
surfaceVP->setName("Rex Surface");
// Functions that affect the terrain surface only:
package.load(surfaceVP, package.ENGINE_VERT_VIEW);
package.load(surfaceVP, package.ENGINE_FRAG);
// Elevation?
if (this->elevationTexturesRequired())
{
surfaceStateSet->setDefine("OE_TERRAIN_RENDER_ELEVATION");
}
// Normal mapping shaders:
if ( this->normalTexturesRequired() )
{
package.load(surfaceVP, package.NORMAL_MAP_VERT);
package.load(surfaceVP, package.NORMAL_MAP_FRAG);
surfaceStateSet->setDefine("OE_TERRAIN_RENDER_NORMAL_MAP");
}
// Morphing?
if (_terrainOptions.morphTerrain() == true ||
_terrainOptions.morphImagery() == true)
{
package.load(surfaceVP, package.MORPHING_VERT);
if (_terrainOptions.morphImagery() == true)
{
surfaceStateSet->setDefine("OE_TERRAIN_MORPH_IMAGERY");
}
if (_terrainOptions.morphTerrain() == true)
{
surfaceStateSet->setDefine("OE_TERRAIN_MORPH_GEOMETRY");
}
}
// assemble color filter code snippets.
bool haveColorFilters = false;
{
// Color filter frag function:
std::string fs_colorfilters =
"#version " GLSL_VERSION_STR "\n"
GLSL_DEFAULT_PRECISION_FLOAT "\n"
"uniform int oe_layer_uid; \n"
"$COLOR_FILTER_HEAD"
"void oe_rexEngine_applyFilters(inout vec4 color) \n"
"{ \n"
"$COLOR_FILTER_BODY"
"} \n";
std::stringstream cf_head;
std::stringstream cf_body;
const char* I = " ";
// second, install the per-layer color filter functions AND shared layer bindings.
bool ifStarted = false;
ImageLayerVector imageLayers;
_update_mapf->getLayers(imageLayers);
for( int i=0; i<imageLayers.size(); ++i )
{
ImageLayer* layer = imageLayers.at(i);
if ( layer->getEnabled() )
{
// install Color Filter function calls:
const ColorFilterChain& chain = layer->getColorFilters();
if ( chain.size() > 0 )
{
haveColorFilters = true;
if ( ifStarted ) cf_body << I << "else if ";
else cf_body << I << "if ";
cf_body << "(oe_layer_uid == " << layer->getUID() << ") {\n";
for( ColorFilterChain::const_iterator j = chain.begin(); j != chain.end(); ++j )
{
const ColorFilter* filter = j->get();
cf_head << "void " << filter->getEntryPointFunctionName() << "(inout vec4 color);\n";
cf_body << I << I << filter->getEntryPointFunctionName() << "(color);\n";
filter->install( surfaceStateSet );
}
cf_body << I << "}\n";
ifStarted = true;
}
}
}
if ( haveColorFilters )
{
std::string cf_head_str, cf_body_str;
cf_head_str = cf_head.str();
cf_body_str = cf_body.str();
replaceIn( fs_colorfilters, "$COLOR_FILTER_HEAD", cf_head_str );
replaceIn( fs_colorfilters, "$COLOR_FILTER_BODY", cf_body_str );
surfaceVP->setFunction(
"oe_rexEngine_applyFilters",
fs_colorfilters,
ShaderComp::LOCATION_FRAGMENT_COLORING,
0.6 );
}
}
// Apply uniforms for sampler bindings:
OE_DEBUG << LC << "Render Bindings:\n";
osg::ref_ptr<osg::Texture> tex = new osg::Texture2D(ImageUtils::createEmptyImage(1,1));
for (unsigned i = 0; i < _renderBindings.size(); ++i)
{
SamplerBinding& b = _renderBindings[i];
if (b.isActive())
{
osg::Uniform* u = new osg::Uniform(b.samplerName().c_str(), b.unit());
terrainStateSet->addUniform( u );
OE_DEBUG << LC << " > Bound \"" << b.samplerName() << "\" to unit " << b.unit() << "\n";
terrainStateSet->setTextureAttribute(b.unit(), tex.get());
}
}
// uniform that controls per-layer opacity
terrainStateSet->addUniform( new osg::Uniform("oe_layer_opacity", 1.0f) );
// uniform that conveys the layer UID to the shaders; necessary
// for per-layer branching (like color filters)
// UID -1 => no image layer (no texture)
terrainStateSet->addUniform( new osg::Uniform("oe_layer_uid", (int)-1 ) );
// uniform that conveys the render order, since the shaders
// need to know which is the first layer in order to blend properly
terrainStateSet->addUniform( new osg::Uniform("oe_layer_order", (int)0) );
// default min/max range uniforms. (max < min means ranges are disabled)
terrainStateSet->addUniform( new osg::Uniform("oe_layer_minRange", 0.0f) );
terrainStateSet->addUniform( new osg::Uniform("oe_layer_maxRange", -1.0f) );
terrainStateSet->addUniform( new osg::Uniform("oe_layer_attenuationRange", _terrainOptions.attentuationDistance().get()) );
terrainStateSet->getOrCreateUniform(
"oe_min_tile_range_factor",
osg::Uniform::FLOAT)->set( *_terrainOptions.minTileRangeFactor() );
terrainStateSet->addUniform(new osg::Uniform("oe_tile_size", (float)_terrainOptions.tileSize().get()));
// special object ID that denotes the terrain surface.
surfaceStateSet->addUniform( new osg::Uniform(
Registry::objectIndex()->getObjectIDUniformName().c_str(), OSGEARTH_OBJECTID_TERRAIN) );
}
_stateUpdateRequired = false;
}
}
void Map::ParseText(const string &text)
{
// Create a tiny xml document and use it to parse the text.
tinyxml2::XMLDocument doc;
doc.Parse(text.c_str());
// Check for parsing errors.
if (doc.Error())
{
has_error = true;
error_code = TMX_PARSING_ERROR;
error_text = doc.GetErrorStr1();
return;
}
tinyxml2::XMLNode *mapNode = doc.FirstChildElement("map");
tinyxml2::XMLElement* mapElem = mapNode->ToElement();
// Read the map attributes.
version = mapElem->IntAttribute("version");
width = mapElem->IntAttribute("width");
height = mapElem->IntAttribute("height");
tile_width = mapElem->IntAttribute("tilewidth");
tile_height = mapElem->IntAttribute("tileheight");
next_object_id = mapElem->IntAttribute("nextobjectid");
if (mapElem->Attribute("backgroundcolor"))
{
background_color = mapElem->Attribute("backgroundcolor");
}
// Read the orientation
std::string orientationStr = mapElem->Attribute("orientation");
if (!orientationStr.compare("orthogonal"))
{
orientation = TMX_MO_ORTHOGONAL;
}
else if (!orientationStr.compare("isometric"))
{
orientation = TMX_MO_ISOMETRIC;
}
else if (!orientationStr.compare("staggered"))
{
orientation = TMX_MO_STAGGERED;
}
// Read the render order
if (mapElem->Attribute("renderorder"))
{
std::string renderorderStr = mapElem->Attribute("renderorder");
if (!renderorderStr.compare("right-down"))
{
render_order = TMX_RIGHT_DOWN;
}
else if (!renderorderStr.compare("right-up"))
{
render_order = TMX_RIGHT_UP;
}
else if (!renderorderStr.compare("left-down"))
{
render_order = TMX_LEFT_DOWN;
}
else if (!renderorderStr.compare("left-down"))
{
render_order = TMX_LEFT_UP;
}
}
const tinyxml2::XMLNode *node = mapElem->FirstChild();
while( node )
{
// Read the map properties.
if( strcmp( node->Value(), "properties" ) == 0 )
{
properties.Parse(node);
}
// Iterate through all of the tileset elements.
if( strcmp( node->Value(), "tileset" ) == 0 )
{
// Allocate a new tileset and parse it.
Tileset *tileset = new Tileset();
tileset->Parse(node->ToElement());
// Add the tileset to the list.
tilesets.push_back(tileset);
}
// Iterate through all of the "layer" (tile layer) elements.
if( strcmp( node->Value(), "layer" ) == 0 )
{
// Allocate a new tile layer and parse it.
TileLayer *tileLayer = new TileLayer(this);
tileLayer->Parse(node);
// Add the tile layer to the lists.
tile_layers.push_back(tileLayer);
layers.push_back(tileLayer);
}
// Iterate through all of the "imagelayer" (image layer) elements.
if( strcmp( node->Value(), "imagelayer" ) == 0 )
{
// Allocate a new image layer and parse it.
ImageLayer *imageLayer = new ImageLayer(this);
imageLayer->Parse(node);
// Add the image layer to the lists.
image_layers.push_back(imageLayer);
layers.push_back(imageLayer);
}
// Iterate through all of the "objectgroup" (object layer) elements.
if( strcmp( node->Value(), "objectgroup" ) == 0 )
{
// Allocate a new object group and parse it.
ObjectGroup *objectGroup = new ObjectGroup(this);
objectGroup->Parse(node);
// Add the object group to the lists.
object_groups.push_back(objectGroup);
layers.push_back(objectGroup);
}
node = node->NextSibling();
}
}
// Generates the main shader code for rendering the terrain.
void
MPTerrainEngineNode::updateState()
{
if ( _batchUpdateInProgress )
{
_stateUpdateRequired = true;
}
else
{
osg::StateSet* terrainStateSet = _terrain->getOrCreateStateSet();
// required for multipass tile rendering to work
terrainStateSet->setAttributeAndModes(
new osg::Depth(osg::Depth::LEQUAL, 0, 1, true) );
// activate standard mix blending.
terrainStateSet->setAttributeAndModes(
new osg::BlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA),
osg::StateAttribute::ON );
// install shaders, if we're using them.
if ( Registry::capabilities().supportsGLSL() )
{
VirtualProgram* vp = new VirtualProgram();
vp->setName( "osgEarth.engine_mp.TerrainNode" );
terrainStateSet->setAttributeAndModes( vp, osg::StateAttribute::ON );
// bind the vertex attributes generated by the tile compiler.
vp->addBindAttribLocation( "oe_terrain_attr", osg::Drawable::ATTRIBUTE_6 );
vp->addBindAttribLocation( "oe_terrain_attr2", osg::Drawable::ATTRIBUTE_7 );
// Vertex shader:
std::string vs = Stringify() <<
"#version " GLSL_VERSION_STR "\n"
GLSL_DEFAULT_PRECISION_FLOAT "\n"
"varying vec4 oe_layer_texc;\n"
"varying vec4 oe_layer_tilec;\n"
"void oe_mp_setup_coloring(inout vec4 VertexModel) \n"
"{ \n"
" oe_layer_texc = gl_MultiTexCoord" << _primaryUnit << ";\n"
" oe_layer_tilec = gl_MultiTexCoord" << _secondaryUnit << ";\n"
"}\n";
bool useTerrainColor = _terrainOptions.color().isSet();
bool useBlending = _terrainOptions.enableBlending() == true;
// Fragment Shader for normal blending:
std::string fs = Stringify() <<
"#version " GLSL_VERSION_STR "\n"
GLSL_DEFAULT_PRECISION_FLOAT "\n"
"varying vec4 oe_layer_texc; \n"
"uniform sampler2D oe_layer_tex; \n"
"uniform int oe_layer_uid; \n"
"uniform int oe_layer_order; \n"
"uniform float oe_layer_opacity; \n"
<< (useTerrainColor ?
"uniform vec4 oe_terrain_color; \n" : ""
) <<
"void oe_mp_apply_coloring(inout vec4 color) \n"
"{ \n"
<< (useTerrainColor ?
" color = oe_terrain_color; \n" : ""
) <<
" vec4 texel; \n"
" if ( oe_layer_uid >= 0 ) { \n"
" texel = texture2D(oe_layer_tex, oe_layer_texc.st); \n"
" texel.a *= oe_layer_opacity; \n"
" } \n"
" else { \n"
" texel = color; \n"
" }\n"
<< (useBlending ?
" if ( oe_layer_order == 0 ) { \n"
" color = texel*texel.a + color*(1.0-texel.a); \n" // simulate src_alpha, 1-src_alpha blens
" } \n"
" else \n" : ""
) <<
" color = texel; \n"
"} \n";
// Color filter frag function:
std::string fs_colorfilters =
"#version " GLSL_VERSION_STR "\n"
GLSL_DEFAULT_PRECISION_FLOAT "\n"
"uniform int oe_layer_uid; \n"
"__COLOR_FILTER_HEAD__"
"void oe_mp_apply_filters(inout vec4 color) \n"
"{ \n"
"__COLOR_FILTER_BODY__"
"} \n";
vp->setFunction( "oe_mp_setup_coloring", vs, ShaderComp::LOCATION_VERTEX_MODEL, 0.0 );
vp->setFunction( "oe_mp_apply_coloring", fs, ShaderComp::LOCATION_FRAGMENT_COLORING, 0.0 );
// assemble color filter code snippets.
bool haveColorFilters = false;
{
std::stringstream cf_head;
std::stringstream cf_body;
const char* I = " ";
// second, install the per-layer color filter functions AND shared layer bindings.
bool ifStarted = false;
int numImageLayers = _update_mapf->imageLayers().size();
for( int i=0; i<numImageLayers; ++i )
{
ImageLayer* layer = _update_mapf->getImageLayerAt(i);
if ( layer->getEnabled() )
{
// install Color Filter function calls:
const ColorFilterChain& chain = layer->getColorFilters();
if ( chain.size() > 0 )
{
haveColorFilters = true;
if ( ifStarted ) cf_body << I << "else if ";
else cf_body << I << "if ";
cf_body << "(oe_layer_uid == " << layer->getUID() << ") {\n";
for( ColorFilterChain::const_iterator j = chain.begin(); j != chain.end(); ++j )
{
const ColorFilter* filter = j->get();
cf_head << "void " << filter->getEntryPointFunctionName() << "(inout vec4 color);\n";
cf_body << I << I << filter->getEntryPointFunctionName() << "(color);\n";
filter->install( terrainStateSet );
}
cf_body << I << "}\n";
ifStarted = true;
}
}
}
if ( haveColorFilters )
{
std::string cf_head_str, cf_body_str;
cf_head_str = cf_head.str();
cf_body_str = cf_body.str();
replaceIn( fs_colorfilters, "__COLOR_FILTER_HEAD__", cf_head_str );
replaceIn( fs_colorfilters, "__COLOR_FILTER_BODY__", cf_body_str );
vp->setFunction( "oe_mp_apply_filters", fs_colorfilters, ShaderComp::LOCATION_FRAGMENT_COLORING, 0.0 );
}
}
// binding for the terrain texture
terrainStateSet->getOrCreateUniform(
"oe_layer_tex", osg::Uniform::SAMPLER_2D )->set( _primaryUnit );
// binding for the secondary texture (for LOD blending)
terrainStateSet->getOrCreateUniform(
"oe_layer_tex_parent", osg::Uniform::SAMPLER_2D )->set( _secondaryUnit );
// binding for the default secondary texture matrix
osg::Matrixf parent_mat;
parent_mat(0,0) = 0.0f;
terrainStateSet->getOrCreateUniform(
"oe_layer_parent_matrix", osg::Uniform::FLOAT_MAT4 )->set( parent_mat );
// uniform that controls per-layer opacity
terrainStateSet->getOrCreateUniform(
"oe_layer_opacity", osg::Uniform::FLOAT )->set( 1.0f );
// uniform that conveys the layer UID to the shaders; necessary
// for per-layer branching (like color filters)
// UID -1 => no image layer (no texture)
terrainStateSet->getOrCreateUniform(
"oe_layer_uid", osg::Uniform::INT )->set( -1 );
// uniform that conveys the render order, since the shaders
// need to know which is the first layer in order to blend properly
terrainStateSet->getOrCreateUniform(
"oe_layer_order", osg::Uniform::INT )->set( 0 );
// base terrain color.
if ( useTerrainColor )
{
terrainStateSet->getOrCreateUniform(
"oe_terrain_color", osg::Uniform::FLOAT_VEC4 )->set( *_terrainOptions.color() );
}
}
_stateUpdateRequired = false;
}
}
// Generates the main shader code for rendering the terrain.
void
MPTerrainEngineNode::updateShaders()
{
if ( _batchUpdateInProgress )
{
_shaderUpdateRequired = true;
}
else
{
osg::StateSet* terrainStateSet = _terrain->getOrCreateStateSet();
VirtualProgram* vp = new VirtualProgram();
vp->setName( "engine_mp:TerrainNode" );
terrainStateSet->setAttributeAndModes( vp, osg::StateAttribute::ON );
// bind the vertex attributes generated by the tile compiler.
vp->addBindAttribLocation( "oe_terrain_attr", osg::Drawable::ATTRIBUTE_6 );
vp->addBindAttribLocation( "oe_terrain_attr2", osg::Drawable::ATTRIBUTE_7 );
// Vertex shader template:
std::string vs =
"#version " GLSL_VERSION_STR "\n"
GLSL_DEFAULT_PRECISION_FLOAT "\n"
"varying vec4 oe_layer_texc;\n"
"varying vec4 oe_layer_tilec;\n"
"void oe_mp_setup_coloring(inout vec4 VertexModel) \n"
"{ \n"
" oe_layer_texc = __GL_MULTITEXCOORD1__;\n"
" oe_layer_tilec = __GL_MULTITEXCOORD2__;\n"
"}\n";
// Fragment shader for normal blending:
std::string fs =
"#version " GLSL_VERSION_STR "\n"
GLSL_DEFAULT_PRECISION_FLOAT "\n"
"varying vec4 oe_layer_texc; \n"
"uniform sampler2D oe_layer_tex; \n"
"uniform int oe_layer_uid; \n"
"uniform int oe_layer_order; \n"
"uniform float oe_layer_opacity; \n"
"void oe_mp_apply_coloring( inout vec4 color ) \n"
"{ \n"
" vec4 texel; \n"
" if ( oe_layer_uid >= 0 ) { \n"
" texel = texture2D(oe_layer_tex, oe_layer_texc.st); \n"
" texel.a *= oe_layer_opacity; \n"
" } \n"
" else \n"
" texel = color; \n"
" if (oe_layer_order == 0 ) \n"
" color = texel*texel.a + color*(1.0-texel.a); \n" // simulate src_alpha, 1-src_alpha blens
" else \n"
" color = texel; \n"
"} \n";
// Fragment shader with pre-multiplied alpha blending:
std::string fs_pma =
"#version " GLSL_VERSION_STR "\n"
GLSL_DEFAULT_PRECISION_FLOAT "\n"
"varying vec4 oe_layer_texc; \n"
"uniform sampler2D oe_layer_tex; \n"
"uniform int oe_layer_uid; \n"
"uniform int oe_layer_order; \n"
"uniform float oe_layer_opacity; \n"
"void oe_mp_apply_coloring_pma( inout vec4 color ) \n"
"{ \n"
" vec4 texelpma; \n"
// a UID < 0 means no texture.
" if ( oe_layer_uid >= 0 ) \n"
" texelpma = texture2D(oe_layer_tex, oe_layer_texc.st) * oe_layer_opacity; \n"
" else \n"
" texelpma = color * color.a * oe_layer_opacity; \n" // to PMA.
// first layer must PMA-blend with the globe color.
" if (oe_layer_order == 0) { \n"
" color.rgb *= color.a; \n"
" color = texelpma + color*(1.0-texelpma.a); \n" // simulate one, 1-src_alpha blend
" } \n"
" else { \n"
" color = texelpma; \n"
" } \n"
"} \n";
// Color filter frag function:
std::string fs_colorfilters =
"#version " GLSL_VERSION_STR "\n"
GLSL_DEFAULT_PRECISION_FLOAT "\n"
"uniform int oe_layer_uid; \n"
"__COLOR_FILTER_HEAD__"
"void oe_mp_apply_filters(inout vec4 color) \n"
"{ \n"
"__COLOR_FILTER_BODY__"
"} \n";
// install the gl_MultiTexCoord* variable that uses the proper texture
// image unit:
replaceIn( vs, "__GL_MULTITEXCOORD1__", Stringify() << "gl_MultiTexCoord" << _primaryUnit );
replaceIn( vs, "__GL_MULTITEXCOORD2__", Stringify() << "gl_MultiTexCoord" << _secondaryUnit );
vp->setFunction( "oe_mp_setup_coloring", vs, ShaderComp::LOCATION_VERTEX_MODEL, 0.0 );
if ( _terrainOptions.premultipliedAlpha() == true )
vp->setFunction( "oe_mp_apply_coloring_pma", fs_pma, ShaderComp::LOCATION_FRAGMENT_COLORING, 0.0 );
else
vp->setFunction( "oe_mp_apply_coloring", fs, ShaderComp::LOCATION_FRAGMENT_COLORING, 0.0 );
// assemble color filter code snippets.
bool haveColorFilters = false;
{
std::stringstream cf_head;
std::stringstream cf_body;
const char* I = " ";
if ( _terrainOptions.premultipliedAlpha() == true )
{
// un-PMA the color before passing it to the color filters.
cf_body << I << "if (color.a > 0.0) color.rgb /= color.a; \n";
}
// second, install the per-layer color filter functions AND shared layer bindings.
bool ifStarted = false;
int numImageLayers = _update_mapf->imageLayers().size();
for( int i=0; i<numImageLayers; ++i )
{
ImageLayer* layer = _update_mapf->getImageLayerAt(i);
if ( layer->getEnabled() )
{
// install Color Filter function calls:
const ColorFilterChain& chain = layer->getColorFilters();
if ( chain.size() > 0 )
{
haveColorFilters = true;
if ( ifStarted ) cf_body << I << "else if ";
else cf_body << I << "if ";
cf_body << "(oe_layer_uid == " << layer->getUID() << ") {\n";
for( ColorFilterChain::const_iterator j = chain.begin(); j != chain.end(); ++j )
{
const ColorFilter* filter = j->get();
cf_head << "void " << filter->getEntryPointFunctionName() << "(inout vec4 color);\n";
cf_body << I << I << filter->getEntryPointFunctionName() << "(color);\n";
filter->install( terrainStateSet );
}
cf_body << I << "}\n";
ifStarted = true;
}
}
}
if ( _terrainOptions.premultipliedAlpha() == true )
{
// re-PMA the color after it passes through the color filters.
cf_body << I << "color.rgb *= color.a; \n";
}
if ( haveColorFilters )
{
std::string cf_head_str, cf_body_str;
cf_head_str = cf_head.str();
cf_body_str = cf_body.str();
replaceIn( fs_colorfilters, "__COLOR_FILTER_HEAD__", cf_head_str );
replaceIn( fs_colorfilters, "__COLOR_FILTER_BODY__", cf_body_str );
vp->setFunction( "oe_mp_apply_filters", fs_colorfilters, ShaderComp::LOCATION_FRAGMENT_COLORING, 0.0 );
}
}
if ( _terrainOptions.premultipliedAlpha() == true )
{
// activate PMA blending.
terrainStateSet->setAttributeAndModes(
new osg::BlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA),
osg::StateAttribute::ON );
}
else
{
// activate standard mix blending.
terrainStateSet->setAttributeAndModes(
new osg::BlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA),
osg::StateAttribute::ON );
}
// required for multipass tile rendering to work
terrainStateSet->setAttributeAndModes(
new osg::Depth(osg::Depth::LEQUAL, 0, 1, true) );
// binding for the terrain texture
terrainStateSet->getOrCreateUniform(
"oe_layer_tex", osg::Uniform::SAMPLER_2D )->set( _primaryUnit );
// binding for the secondary texture (for LOD blending)
terrainStateSet->getOrCreateUniform(
"oe_layer_tex_parent", osg::Uniform::SAMPLER_2D )->set( _secondaryUnit );
// uniform that controls per-layer opacity
terrainStateSet->getOrCreateUniform(
"oe_layer_opacity", osg::Uniform::FLOAT )->set( 1.0f );
// uniform that conveys the layer UID to the shaders; necessary
// for per-layer branching (like color filters)
// UID -1 => no image layer (no texture)
terrainStateSet->getOrCreateUniform(
"oe_layer_uid", osg::Uniform::INT )->set( -1 );
// uniform that conveys the render order, since the shaders
// need to know which is the first layer in order to blend properly
terrainStateSet->getOrCreateUniform(
"oe_layer_order", osg::Uniform::INT )->set( 0 );
_shaderUpdateRequired = false;
}
}
void
Map::calculateProfile()
{
if ( !_profile.valid() )
{
osg::ref_ptr<const Profile> userProfile;
if ( _mapOptions.profile().isSet() )
{
userProfile = Profile::create( _mapOptions.profile().value() );
}
if ( _mapOptions.coordSysType() == MapOptions::CSTYPE_GEOCENTRIC )
{
if ( userProfile.valid() )
{
if ( userProfile->isOK() && userProfile->getSRS()->isGeographic() )
{
_profile = userProfile.get();
}
else
{
OE_WARN << LC
<< "Map is geocentric, but the configured profile SRS ("
<< userProfile->getSRS()->getName() << ") is not geographic; "
<< "it will be ignored."
<< std::endl;
}
}
}
else if ( _mapOptions.coordSysType() == MapOptions::CSTYPE_GEOCENTRIC_CUBE )
{
if ( userProfile.valid() )
{
if ( userProfile->isOK() && userProfile->getSRS()->isCube() )
{
_profile = userProfile.get();
}
else
{
OE_WARN << LC
<< "Map is geocentric cube, but the configured profile SRS ("
<< userProfile->getSRS()->getName() << ") is not geocentric cube; "
<< "it will be ignored."
<< std::endl;
}
}
}
else // CSTYPE_PROJECTED
{
if ( userProfile.valid() )
{
if ( userProfile->isOK() && userProfile->getSRS()->isProjected() )
{
_profile = userProfile.get();
}
else
{
OE_WARN << LC
<< "Map is projected, but the configured profile SRS ("
<< userProfile->getSRS()->getName() << ") is not projected; "
<< "it will be ignored."
<< std::endl;
}
}
}
// At this point, if we don't have a profile we need to search tile sources until we find one.
if ( !_profile.valid() )
{
Threading::ScopedReadLock lock( _mapDataMutex );
for( ImageLayerVector::iterator i = _imageLayers.begin(); i != _imageLayers.end() && !_profile.valid(); i++ )
{
ImageLayer* layer = i->get();
if ( layer->getTileSource() )
{
_profile = layer->getTileSource()->getProfile();
}
}
for( ElevationLayerVector::iterator i = _elevationLayers.begin(); i != _elevationLayers.end() && !_profile.valid(); i++ )
{
ElevationLayer* layer = i->get();
if ( layer->getTileSource() )
{
_profile = layer->getTileSource()->getProfile();
}
}
}
// ensure that the profile we found is the correct kind
// convert a geographic profile to Plate Carre if necessary
if ( _mapOptions.coordSysType() == MapOptions::CSTYPE_GEOCENTRIC && !( _profile.valid() && _profile->getSRS()->isGeographic() ) )
{
// by default, set a geocentric map to use global-geodetic WGS84.
_profile = osgEarth::Registry::instance()->getGlobalGeodeticProfile();
}
else if ( _mapOptions.coordSysType() == MapOptions::CSTYPE_GEOCENTRIC_CUBE && !( _profile.valid() && _profile->getSRS()->isCube() ) )
{
//If the map type is a Geocentric Cube, set the profile to the cube profile.
_profile = osgEarth::Registry::instance()->getCubeProfile();
}
else if ( _mapOptions.coordSysType() == MapOptions::CSTYPE_PROJECTED && _profile.valid() && _profile->getSRS()->isGeographic() )
{
OE_INFO << LC << "Projected map with geographic SRS; activating EQC profile" << std::endl;
unsigned u, v;
_profile->getNumTiles(0, u, v);
const osgEarth::SpatialReference* eqc = _profile->getSRS()->createEquirectangularSRS();
osgEarth::GeoExtent e = _profile->getExtent().transform( eqc );
_profile = osgEarth::Profile::create( eqc, e.xMin(), e.yMin(), e.xMax(), e.yMax(), u, v);
}
else if ( _mapOptions.coordSysType() == MapOptions::CSTYPE_PROJECTED && !( _profile.valid() && _profile->getSRS()->isProjected() ) )
{
// TODO: should there be a default projected profile?
_profile = 0;
}
// finally, fire an event if the profile has been set.
if ( _profile.valid() )
{
OE_INFO << LC << "Map profile is: " << _profile->toString() << std::endl;
for( MapCallbackList::iterator i = _mapCallbacks.begin(); i != _mapCallbacks.end(); i++ )
{
i->get()->onMapInfoEstablished( MapInfo(this) );
}
}
else
{
OE_WARN << LC << "Warning, not yet able to establish a map profile!" << std::endl;
}
}
if ( _profile.valid() )
{
// tell all the loaded layers what the profile is, as a hint
{
Threading::ScopedWriteLock lock( _mapDataMutex );
for( ImageLayerVector::iterator i = _imageLayers.begin(); i != _imageLayers.end(); i++ )
{
ImageLayer* layer = i->get();
if ( layer->getEnabled() == true )
{
layer->setTargetProfileHint( _profile.get() );
}
}
for( ElevationLayerVector::iterator i = _elevationLayers.begin(); i != _elevationLayers.end(); i++ )
{
ElevationLayer* layer = i->get();
if ( layer->getEnabled() )
{
layer->setTargetProfileHint( _profile.get() );
}
}
}
// create a "proxy" profile to use when querying elevation layers with a vertical datum
if ( _profile->getSRS()->getVerticalDatum() != 0L )
{
ProfileOptions po = _profile->toProfileOptions();
po.vsrsString().unset();
_profileNoVDatum = Profile::create(po);
}
else
{
_profileNoVDatum = _profile;
}
}
}
// Generates the main shader code for rendering the terrain.
void
MPTerrainEngineNode::updateState()
{
if ( _batchUpdateInProgress )
{
_stateUpdateRequired = true;
}
else
{
if ( _elevationTextureUnit < 0 && elevationTexturesRequired() )
{
getResources()->reserveTextureImageUnit( _elevationTextureUnit, "MP Engine Elevation" );
}
osg::StateSet* terrainStateSet = getTerrainStateSet();
if ( !terrainStateSet )
return;
// required for multipass tile rendering to work
terrainStateSet->setAttributeAndModes(
new osg::Depth(osg::Depth::LEQUAL, 0, 1, true) );
// activate standard mix blending.
terrainStateSet->setAttributeAndModes(
new osg::BlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA),
osg::StateAttribute::ON );
// install shaders, if we're using them.
if ( Registry::capabilities().supportsGLSL() )
{
VirtualProgram* vp = new VirtualProgram();
vp->setName( "osgEarth.engine_mp.TerrainNode" );
terrainStateSet->setAttributeAndModes( vp, osg::StateAttribute::ON );
Shaders package;
package.replace( "$MP_PRIMARY_UNIT", Stringify() << _primaryUnit );
package.replace( "$MP_SECONDARY_UNIT", Stringify() << (_secondaryUnit>=0?_secondaryUnit:0) );
package.define( "MP_USE_BLENDING", (_terrainOptions.enableBlending() == true) );
package.load( vp, package.EngineVertexModel );
package.load( vp, package.EngineVertexView );
package.load( vp, package.EngineFragment );
if ( this->normalTexturesRequired() )
{
package.load( vp, package.NormalMapVertex );
package.load( vp, package.NormalMapFragment );
terrainStateSet->addUniform( new osg::Uniform("oe_tile_normalTex", _normalMapUnit) );
}
// terrain background color; negative means use the vertex color.
Color terrainColor = _terrainOptions.color().getOrUse( Color(1,1,1,-1) );
terrainStateSet->addUniform(new osg::Uniform("oe_terrain_color", terrainColor));
if ( _update_mapf )
{
// assemble color filter code snippets.
bool haveColorFilters = false;
{
// Color filter frag function:
std::string fs_colorfilters =
"#version " GLSL_VERSION_STR "\n"
GLSL_DEFAULT_PRECISION_FLOAT "\n"
"uniform int oe_layer_uid; \n"
"$COLOR_FILTER_HEAD"
"void oe_mp_apply_filters(inout vec4 color) \n"
"{ \n"
"$COLOR_FILTER_BODY"
"} \n";
std::stringstream cf_head;
std::stringstream cf_body;
const char* I = " ";
// second, install the per-layer color filter functions AND shared layer bindings.
ImageLayerVector imageLayers;
_update_mapf->getLayers(imageLayers);
bool ifStarted = false;
int numImageLayers = imageLayers.size();
for( int i=0; i<numImageLayers; ++i )
{
ImageLayer* layer = imageLayers[i].get();
if ( layer->getEnabled() )
{
// install Color Filter function calls:
const ColorFilterChain& chain = layer->getColorFilters();
if ( chain.size() > 0 )
{
haveColorFilters = true;
if ( ifStarted ) cf_body << I << "else if ";
else cf_body << I << "if ";
cf_body << "(oe_layer_uid == " << layer->getUID() << ") {\n";
for( ColorFilterChain::const_iterator j = chain.begin(); j != chain.end(); ++j )
{
const ColorFilter* filter = j->get();
cf_head << "void " << filter->getEntryPointFunctionName() << "(inout vec4 color);\n";
cf_body << I << I << filter->getEntryPointFunctionName() << "(color);\n";
filter->install( terrainStateSet );
}
cf_body << I << "}\n";
ifStarted = true;
}
}
}
if ( haveColorFilters )
{
std::string cf_head_str, cf_body_str;
cf_head_str = cf_head.str();
cf_body_str = cf_body.str();
replaceIn( fs_colorfilters, "$COLOR_FILTER_HEAD", cf_head_str );
replaceIn( fs_colorfilters, "$COLOR_FILTER_BODY", cf_body_str );
vp->setFunction(
"oe_mp_apply_filters",
fs_colorfilters,
ShaderComp::LOCATION_FRAGMENT_COLORING,
0.5f );
}
}
}
// binding for the terrain texture
terrainStateSet->getOrCreateUniform(
"oe_layer_tex", osg::Uniform::SAMPLER_2D )->set( _primaryUnit );
// binding for the secondary texture (for LOD blending)
if ( parentTexturesRequired() )
{
terrainStateSet->getOrCreateUniform(
"oe_layer_tex_parent", osg::Uniform::SAMPLER_2D )->set( _secondaryUnit );
// binding for the default secondary texture matrix
osg::Matrixf parent_mat;
parent_mat(0,0) = 0.0f;
terrainStateSet->getOrCreateUniform(
"oe_layer_parent_matrix", osg::Uniform::FLOAT_MAT4 )->set( parent_mat );
}
// uniform for accessing the elevation texture sampler.
if ( elevationTexturesRequired() )
{
terrainStateSet->getOrCreateUniform(
"oe_terrain_tex", osg::Uniform::SAMPLER_2D)->set( _elevationTextureUnit );
}
// uniform that controls per-layer opacity
terrainStateSet->getOrCreateUniform(
"oe_layer_opacity", osg::Uniform::FLOAT )->set( 1.0f );
// uniform that conveys the layer UID to the shaders; necessary
// for per-layer branching (like color filters)
// UID -1 => no image layer (no texture)
terrainStateSet->getOrCreateUniform(
"oe_layer_uid", osg::Uniform::INT )->set( -1 );
// uniform that conveys the render order, since the shaders
// need to know which is the first layer in order to blend properly
terrainStateSet->getOrCreateUniform(
"oe_layer_order", osg::Uniform::INT )->set( 0 );
// default min/max range uniforms. (max < min means ranges are disabled)
terrainStateSet->addUniform( new osg::Uniform("oe_layer_minRange", 0.0f) );
terrainStateSet->addUniform( new osg::Uniform("oe_layer_maxRange", FLT_MAX) );
terrainStateSet->addUniform( new osg::Uniform("oe_layer_attenuationRange", _terrainOptions.attentuationDistance().get()) );
terrainStateSet->getOrCreateUniform(
"oe_min_tile_range_factor",
osg::Uniform::FLOAT)->set( *_terrainOptions.minTileRangeFactor() );
// special object ID that denotes the terrain surface.
terrainStateSet->addUniform( new osg::Uniform(
Registry::objectIndex()->getObjectIDUniformName().c_str(), OSGEARTH_OBJECTID_TERRAIN) );
// assign the uniforms for each shared layer.
if ( _update_mapf )
{
ImageLayerVector imageLayers;
_update_mapf->getLayers(imageLayers);
int numImageLayers = imageLayers.size();
for( int i=0; i<numImageLayers; ++i )
{
ImageLayer* layer = imageLayers[i].get();
if ( layer->getEnabled() && layer->isShared() )
{
terrainStateSet->addUniform( new osg::Uniform(
layer->shareTexUniformName()->c_str(),
layer->shareImageUnit().get() ) );
}
}
}
}
_stateUpdateRequired = false;
}
}
void
Map::calculateProfile()
{
if ( !_profile.valid() )
{
osg::ref_ptr<const Profile> userProfile;
if ( _mapOptions.profile().isSet() )
{
userProfile = Profile::create( _mapOptions.profile().value() );
}
if ( _mapOptions.coordSysType() == MapOptions::CSTYPE_GEOCENTRIC )
{
if ( userProfile.valid() )
{
if ( userProfile->isOK() && userProfile->getSRS()->isGeographic() )
{
_profile = userProfile.get();
}
else
{
OE_WARN << LC
<< "Map is geocentric, but the configured profile does not "
<< "have a geographic SRS. Falling back on default.."
<< std::endl;
}
}
if ( !_profile.valid() )
{
// by default, set a geocentric map to use global-geodetic WGS84.
_profile = osgEarth::Registry::instance()->getGlobalGeodeticProfile();
}
}
else if ( _mapOptions.coordSysType() == MapOptions::CSTYPE_GEOCENTRIC_CUBE )
{
//If the map type is a Geocentric Cube, set the profile to the cube profile.
_profile = osgEarth::Registry::instance()->getCubeProfile();
}
else // CSTYPE_PROJECTED
{
if ( userProfile.valid() )
{
_profile = userProfile.get();
}
}
// At this point, if we don't have a profile we need to search tile sources until we find one.
if ( !_profile.valid() )
{
Threading::ScopedReadLock lock( _mapDataMutex );
for( ImageLayerVector::iterator i = _imageLayers.begin(); i != _imageLayers.end() && !_profile.valid(); i++ )
{
ImageLayer* layer = i->get();
if ( layer->getTileSource() )
{
_profile = layer->getTileSource()->getProfile();
}
}
for( ElevationLayerVector::iterator i = _elevationLayers.begin(); i != _elevationLayers.end() && !_profile.valid(); i++ )
{
ElevationLayer* layer = i->get();
if ( layer->getTileSource() )
{
_profile = layer->getTileSource()->getProfile();
}
}
}
// finally, fire an event if the profile has been set.
if ( _profile.valid() )
{
OE_INFO << LC << "Map profile is: " << _profile->toString() << std::endl;
for( MapCallbackList::iterator i = _mapCallbacks.begin(); i != _mapCallbacks.end(); i++ )
{
i->get()->onMapInfoEstablished( MapInfo(this) );
}
}
else
{
OE_WARN << LC << "Warning, not yet able to establish a map profile!" << std::endl;
}
}
if ( _profile.valid() )
{
// tell all the loaded layers what the profile is, as a hint
{
Threading::ScopedWriteLock lock( _mapDataMutex );
for( ImageLayerVector::iterator i = _imageLayers.begin(); i != _imageLayers.end(); i++ )
{
ImageLayer* layer = i->get();
layer->setTargetProfileHint( _profile.get() );
}
for( ElevationLayerVector::iterator i = _elevationLayers.begin(); i != _elevationLayers.end(); i++ )
{
ElevationLayer* layer = i->get();
layer->setTargetProfileHint( _profile.get() );
}
}
// create a "proxy" profile to use when querying elevation layers with a vertical datum
if ( _profile->getSRS()->getVerticalDatum() != 0L )
{
ProfileOptions po = _profile->toProfileOptions();
po.vsrsString().unset();
_profileNoVDatum = Profile::create(po);
}
else
{
_profileNoVDatum = _profile;
}
// finally, if the map is flat but the SRS is geographic, mark it as "plate carre"
if (_profile->getSRS()->isGeographic() &&
getMapOptions().coordSysType() == MapOptions::CSTYPE_PROJECTED)
{
OE_INFO << LC << "Projected display with geographic SRS; activating Plate Carre mode" << std::endl;
const_cast<Profile*>(_profile.get())->overrideSRS(
_profile->getSRS()->createPlateCarreGeographicSRS() );
}
}
}
// Generates the main shader code for rendering the terrain.
void
RexTerrainEngineNode::updateState()
{
if ( _batchUpdateInProgress )
{
_stateUpdateRequired = true;
}
else
{
osg::StateSet* terrainStateSet = _terrain->getOrCreateStateSet(); // everything
osg::StateSet* surfaceStateSet = getSurfaceStateSet(); // just the surface
// required for multipass tile rendering to work
surfaceStateSet->setAttributeAndModes(
new osg::Depth(osg::Depth::LEQUAL, 0, 1, true) );
// activate standard mix blending.
terrainStateSet->setAttributeAndModes(
new osg::BlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA),
osg::StateAttribute::ON );
// install patch param if we are tessellation on the GPU.
if ( _terrainOptions.gpuTessellation() == true )
{
terrainStateSet->setAttributeAndModes( new osg::PatchParameter(3) );
}
// install shaders, if we're using them.
if ( Registry::capabilities().supportsGLSL() )
{
Shaders package;
VirtualProgram* terrainVP = VirtualProgram::getOrCreate(terrainStateSet);
terrainVP->setName( "Rex Terrain" );
package.load(terrainVP, package.ENGINE_VERT_MODEL);
bool useTerrainColor = _terrainOptions.color().isSet();
package.define("OE_REX_USE_TERRAIN_COLOR", useTerrainColor);
if ( useTerrainColor )
{
surfaceStateSet->addUniform(new osg::Uniform("oe_terrain_color", _terrainOptions.color().get()));
}
bool useBlending = _terrainOptions.enableBlending().get();
package.define("OE_REX_USE_BLENDING", useBlending);
// Funtions that affect only the terrain surface:
VirtualProgram* surfaceVP = VirtualProgram::getOrCreate(surfaceStateSet);
surfaceVP->setName("Rex Surface");
// Functions that affect the terrain surface only:
package.load(surfaceVP, package.ENGINE_VERT_VIEW);
package.load(surfaceVP, package.ENGINE_FRAG);
// Normal mapping shaders:
if ( this->normalTexturesRequired() )
{
package.load(surfaceVP, package.NORMAL_MAP_VERT);
package.load(surfaceVP, package.NORMAL_MAP_FRAG);
}
// Morphing?
if (_terrainOptions.morphTerrain() == true ||
_terrainOptions.morphImagery() == true)
{
package.define("OE_REX_VERTEX_MORPHING", (_terrainOptions.morphTerrain() == true));
package.load(surfaceVP, package.MORPHING_VERT);
}
for(LandCoverBins::iterator i = _landCoverBins.begin(); i != _landCoverBins.end(); ++i)
{
osg::StateSet* landCoverStateSet = i->_binProto->getStateSet();
// enable alpha-to-coverage multisampling for vegetation.
landCoverStateSet->setMode(GL_SAMPLE_ALPHA_TO_COVERAGE_ARB, 1);
// uniform that communicates the availability of multisampling.
landCoverStateSet->addUniform( new osg::Uniform(
"oe_terrain_hasMultiSamples",
osg::DisplaySettings::instance()->getMultiSamples()) );
landCoverStateSet->setAttributeAndModes(
new osg::BlendFunc(GL_ONE, GL_ZERO, GL_ONE, GL_ZERO),
osg::StateAttribute::OVERRIDE );
landCoverStateSet->setAttributeAndModes( new osg::PatchParameter(3) );
}
// assemble color filter code snippets.
bool haveColorFilters = false;
{
// Color filter frag function:
std::string fs_colorfilters =
"#version " GLSL_VERSION_STR "\n"
GLSL_DEFAULT_PRECISION_FLOAT "\n"
"uniform int oe_layer_uid; \n"
"$COLOR_FILTER_HEAD"
"void oe_rexEngine_applyFilters(inout vec4 color) \n"
"{ \n"
"$COLOR_FILTER_BODY"
"} \n";
std::stringstream cf_head;
std::stringstream cf_body;
const char* I = " ";
// second, install the per-layer color filter functions AND shared layer bindings.
bool ifStarted = false;
int numImageLayers = _update_mapf->imageLayers().size();
for( int i=0; i<numImageLayers; ++i )
{
ImageLayer* layer = _update_mapf->getImageLayerAt(i);
if ( layer->getEnabled() )
{
// install Color Filter function calls:
const ColorFilterChain& chain = layer->getColorFilters();
if ( chain.size() > 0 )
{
haveColorFilters = true;
if ( ifStarted ) cf_body << I << "else if ";
else cf_body << I << "if ";
cf_body << "(oe_layer_uid == " << layer->getUID() << ") {\n";
for( ColorFilterChain::const_iterator j = chain.begin(); j != chain.end(); ++j )
{
const ColorFilter* filter = j->get();
cf_head << "void " << filter->getEntryPointFunctionName() << "(inout vec4 color);\n";
cf_body << I << I << filter->getEntryPointFunctionName() << "(color);\n";
filter->install( surfaceStateSet );
}
cf_body << I << "}\n";
ifStarted = true;
}
}
}
if ( haveColorFilters )
{
std::string cf_head_str, cf_body_str;
cf_head_str = cf_head.str();
cf_body_str = cf_body.str();
replaceIn( fs_colorfilters, "$COLOR_FILTER_HEAD", cf_head_str );
replaceIn( fs_colorfilters, "$COLOR_FILTER_BODY", cf_body_str );
surfaceVP->setFunction(
"oe_rexEngine_applyFilters",
fs_colorfilters,
ShaderComp::LOCATION_FRAGMENT_COLORING,
0.0 );
}
}
// Apply uniforms for sampler bindings:
OE_DEBUG << LC << "Render Bindings:\n";
for(RenderBindings::const_iterator b = _renderBindings.begin(); b != _renderBindings.end(); ++b)
{
if ( b->isActive() )
{
terrainStateSet->addUniform( new osg::Uniform(b->samplerName().c_str(), b->unit()) );
OE_DEBUG << LC << " > Bound \"" << b->samplerName() << "\" to unit " << b->unit() << "\n";
// Not needed I think
//terrainStateSet->addUniform( new osg::Uniform(b->matrixName().c_str(), osg::Matrixf()) );
}
}
// uniform that controls per-layer opacity
terrainStateSet->addUniform( new osg::Uniform("oe_layer_opacity", 1.0f) );
// uniform that conveys the layer UID to the shaders; necessary
// for per-layer branching (like color filters)
// UID -1 => no image layer (no texture)
terrainStateSet->addUniform( new osg::Uniform("oe_layer_uid", (int)-1 ) );
// uniform that conveys the render order, since the shaders
// need to know which is the first layer in order to blend properly
terrainStateSet->addUniform( new osg::Uniform("oe_layer_order", (int)0) );
// default min/max range uniforms. (max < min means ranges are disabled)
terrainStateSet->addUniform( new osg::Uniform("oe_layer_minRange", 0.0f) );
terrainStateSet->addUniform( new osg::Uniform("oe_layer_maxRange", -1.0f) );
terrainStateSet->getOrCreateUniform(
"oe_min_tile_range_factor",
osg::Uniform::FLOAT)->set( *_terrainOptions.minTileRangeFactor() );
// special object ID that denotes the terrain surface.
surfaceStateSet->addUniform( new osg::Uniform(
Registry::objectIndex()->getObjectIDUniformName().c_str(), OSGEARTH_OBJECTID_TERRAIN) );
}
_stateUpdateRequired = false;
}
}
void Map::ParseText(const string &text)
{
// Create a tiny xml document and use it to parse the text.
TiXmlDocument doc;
doc.Parse(text.c_str());
// Check for parsing errors.
if (doc.Error())
{
has_error = true;
error_code = TMX_PARSING_ERROR;
error_text = doc.ErrorDesc();
return;
}
TiXmlNode *mapNode = doc.FirstChild("map");
TiXmlElement* mapElem = mapNode->ToElement();
// Read the map attributes.
mapElem->Attribute("version", &version);
mapElem->Attribute("width", &width);
mapElem->Attribute("height", &height);
mapElem->Attribute("tilewidth", &tile_width);
mapElem->Attribute("tileheight", &tile_height);
// Read the orientation
std::string orientationStr = mapElem->Attribute("orientation");
if (!orientationStr.compare("orthogonal"))
{
orientation = TMX_MO_ORTHOGONAL;
}
else if (!orientationStr.compare("isometric"))
{
orientation = TMX_MO_ISOMETRIC;
}
else if (!orientationStr.compare("staggered"))
{
orientation = TMX_MO_STAGGERED;
}
const TiXmlNode *node = mapElem->FirstChild();
int zOrder = 0;
while( node )
{
// Read the map properties.
if( strcmp( node->Value(), "properties" ) == 0 )
{
properties.Parse(node);
}
// Iterate through all of the tileset elements.
if( strcmp( node->Value(), "tileset" ) == 0 )
{
// Allocate a new tileset and parse it.
Tileset *tileset = new Tileset();
tileset->Parse(node->ToElement());
// Add the tileset to the list.
tilesets.push_back(tileset);
}
// Iterate through all of the layer elements.
if( strcmp( node->Value(), "layer" ) == 0 )
{
// Allocate a new layer and parse it.
Layer *layer = new Layer(this);
layer->Parse(node);
layer->SetZOrder( zOrder );
++zOrder;
// Add the layer to the list.
layers.push_back(layer);
}
// Iterate through all of the imagen layer elements.
if( strcmp( node->Value(), "imagelayer" ) == 0 )
{
// Allocate a new layer and parse it.
ImageLayer *imageLayer = new ImageLayer(this);
imageLayer->Parse(node);
imageLayer->SetZOrder( zOrder );
++zOrder;
// Add the layer to the list.
image_layers.push_back(imageLayer);
}
// Iterate through all of the objectgroup elements.
if( strcmp( node->Value(), "objectgroup" ) == 0 )
{
// Allocate a new object group and parse it.
ObjectGroup *objectGroup = new ObjectGroup();
objectGroup->Parse(node);
objectGroup->SetZOrder( zOrder );
++zOrder;
// Add the object group to the list.
object_groups.push_back(objectGroup);
}
node = node->NextSibling();
}
}
dimension_t cols(const ImageLayer& img) { return img.num_cols(); }
dimension_t rows(const ImageLayer& img) { return img.num_rows(); }
bool
LayerTransactionParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
const TargetConfig& targetConfig,
const bool& isFirstPaint,
InfallibleTArray<EditReply>* reply)
{
#ifdef COMPOSITOR_PERFORMANCE_WARNING
TimeStamp updateStart = TimeStamp::Now();
#endif
MOZ_LAYERS_LOG(("[ParentSide] received txn with %d edits", cset.Length()));
if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
return true;
}
EditReplyVector replyv;
layer_manager()->BeginTransactionWithTarget(NULL);
for (EditArray::index_type i = 0; i < cset.Length(); ++i) {
const Edit& edit = cset[i];
switch (edit.type()) {
// Create* ops
case Edit::TOpCreateThebesLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateThebesLayer"));
nsRefPtr<ThebesLayerComposite> layer =
layer_manager()->CreateThebesLayerComposite();
AsLayerComposite(edit.get_OpCreateThebesLayer())->Bind(layer);
break;
}
case Edit::TOpCreateContainerLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateContainerLayer"));
nsRefPtr<ContainerLayer> layer = layer_manager()->CreateContainerLayerComposite();
AsLayerComposite(edit.get_OpCreateContainerLayer())->Bind(layer);
break;
}
case Edit::TOpCreateImageLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateImageLayer"));
nsRefPtr<ImageLayerComposite> layer =
layer_manager()->CreateImageLayerComposite();
AsLayerComposite(edit.get_OpCreateImageLayer())->Bind(layer);
break;
}
case Edit::TOpCreateColorLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateColorLayer"));
nsRefPtr<ColorLayerComposite> layer = layer_manager()->CreateColorLayerComposite();
AsLayerComposite(edit.get_OpCreateColorLayer())->Bind(layer);
break;
}
case Edit::TOpCreateCanvasLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateCanvasLayer"));
nsRefPtr<CanvasLayerComposite> layer =
layer_manager()->CreateCanvasLayerComposite();
AsLayerComposite(edit.get_OpCreateCanvasLayer())->Bind(layer);
break;
}
case Edit::TOpCreateRefLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateRefLayer"));
nsRefPtr<RefLayerComposite> layer =
layer_manager()->CreateRefLayerComposite();
AsLayerComposite(edit.get_OpCreateRefLayer())->Bind(layer);
break;
}
// Attributes
case Edit::TOpSetLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] SetLayerAttributes"));
const OpSetLayerAttributes& osla = edit.get_OpSetLayerAttributes();
Layer* layer = AsLayerComposite(osla)->AsLayer();
const LayerAttributes& attrs = osla.attrs();
const CommonLayerAttributes& common = attrs.common();
layer->SetVisibleRegion(common.visibleRegion());
layer->SetContentFlags(common.contentFlags());
layer->SetOpacity(common.opacity());
layer->SetClipRect(common.useClipRect() ? &common.clipRect() : NULL);
layer->SetBaseTransform(common.transform().value());
layer->SetPostScale(common.postXScale(), common.postYScale());
layer->SetIsFixedPosition(common.isFixedPosition());
layer->SetFixedPositionAnchor(common.fixedPositionAnchor());
layer->SetFixedPositionMargins(common.fixedPositionMargin());
if (PLayerParent* maskLayer = common.maskLayerParent()) {
layer->SetMaskLayer(cast(maskLayer)->AsLayer());
} else {
layer->SetMaskLayer(NULL);
}
layer->SetAnimations(common.animations());
typedef SpecificLayerAttributes Specific;
const SpecificLayerAttributes& specific = attrs.specific();
switch (specific.type()) {
case Specific::Tnull_t:
break;
case Specific::TThebesLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] thebes layer"));
ThebesLayerComposite* thebesLayer =
static_cast<ThebesLayerComposite*>(layer);
const ThebesLayerAttributes& attrs =
specific.get_ThebesLayerAttributes();
thebesLayer->SetValidRegion(attrs.validRegion());
break;
}
case Specific::TContainerLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] container layer"));
ContainerLayer* containerLayer =
static_cast<ContainerLayer*>(layer);
const ContainerLayerAttributes& attrs =
specific.get_ContainerLayerAttributes();
containerLayer->SetFrameMetrics(attrs.metrics());
containerLayer->SetPreScale(attrs.preXScale(), attrs.preYScale());
containerLayer->SetInheritedScale(attrs.inheritedXScale(), attrs.inheritedYScale());
break;
}
case Specific::TColorLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] color layer"));
static_cast<ColorLayer*>(layer)->SetColor(
specific.get_ColorLayerAttributes().color().value());
break;
case Specific::TCanvasLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] canvas layer"));
static_cast<CanvasLayer*>(layer)->SetFilter(
specific.get_CanvasLayerAttributes().filter());
static_cast<CanvasLayerComposite*>(layer)->SetBounds(
specific.get_CanvasLayerAttributes().bounds());
break;
case Specific::TRefLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] ref layer"));
static_cast<RefLayer*>(layer)->SetReferentId(
specific.get_RefLayerAttributes().id());
break;
case Specific::TImageLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] image layer"));
ImageLayer* imageLayer = static_cast<ImageLayer*>(layer);
const ImageLayerAttributes& attrs = specific.get_ImageLayerAttributes();
imageLayer->SetFilter(attrs.filter());
imageLayer->SetScaleToSize(attrs.scaleToSize(), attrs.scaleMode());
break;
}
default:
NS_RUNTIMEABORT("not reached");
}
break;
}
case Edit::TOpSetColoredBorders: {
if (edit.get_OpSetColoredBorders().enabled()) {
mLayerManager->GetCompositor()->EnableColoredBorders();
} else {
mLayerManager->GetCompositor()->DisableColoredBorders();
}
break;
}
// Tree ops
case Edit::TOpSetRoot: {
MOZ_LAYERS_LOG(("[ParentSide] SetRoot"));
mRoot = AsLayerComposite(edit.get_OpSetRoot())->AsContainer();
break;
}
case Edit::TOpInsertAfter: {
MOZ_LAYERS_LOG(("[ParentSide] InsertAfter"));
const OpInsertAfter& oia = edit.get_OpInsertAfter();
ShadowContainer(oia)->AsContainer()->InsertAfter(
ShadowChild(oia)->AsLayer(), ShadowAfter(oia)->AsLayer());
break;
}
case Edit::TOpAppendChild: {
MOZ_LAYERS_LOG(("[ParentSide] AppendChild"));
const OpAppendChild& oac = edit.get_OpAppendChild();
ShadowContainer(oac)->AsContainer()->InsertAfter(
ShadowChild(oac)->AsLayer(), NULL);
break;
}
case Edit::TOpRemoveChild: {
MOZ_LAYERS_LOG(("[ParentSide] RemoveChild"));
const OpRemoveChild& orc = edit.get_OpRemoveChild();
Layer* childLayer = ShadowChild(orc)->AsLayer();
ShadowContainer(orc)->AsContainer()->RemoveChild(childLayer);
break;
}
case Edit::TOpRepositionChild: {
MOZ_LAYERS_LOG(("[ParentSide] RepositionChild"));
const OpRepositionChild& orc = edit.get_OpRepositionChild();
ShadowContainer(orc)->AsContainer()->RepositionChild(
ShadowChild(orc)->AsLayer(), ShadowAfter(orc)->AsLayer());
break;
}
case Edit::TOpRaiseToTopChild: {
MOZ_LAYERS_LOG(("[ParentSide] RaiseToTopChild"));
const OpRaiseToTopChild& rtc = edit.get_OpRaiseToTopChild();
ShadowContainer(rtc)->AsContainer()->RepositionChild(
ShadowChild(rtc)->AsLayer(), NULL);
break;
}
case Edit::TCompositableOperation: {
ReceiveCompositableUpdate(edit.get_CompositableOperation(),
replyv);
break;
}
case Edit::TOpAttachCompositable: {
const OpAttachCompositable& op = edit.get_OpAttachCompositable();
Attach(cast(op.layerParent()), cast(op.compositableParent()));
break;
}
case Edit::TOpAttachAsyncCompositable: {
const OpAttachAsyncCompositable& op = edit.get_OpAttachAsyncCompositable();
CompositableParent* compositableParent = CompositableMap::Get(op.containerID());
MOZ_ASSERT(compositableParent, "CompositableParent not found in the map");
Attach(cast(op.layerParent()), compositableParent);
compositableParent->SetCompositorID(mLayerManager->GetCompositor()->GetCompositorID());
break;
}
default:
NS_RUNTIMEABORT("not reached");
}
}
layer_manager()->EndTransaction(NULL, NULL, LayerManager::END_NO_IMMEDIATE_REDRAW);
if (reply) {
reply->SetCapacity(replyv.size());
if (replyv.size() > 0) {
reply->AppendElements(&replyv.front(), replyv.size());
}
}
// Ensure that any pending operations involving back and front
// buffers have completed, so that neither process stomps on the
// other's buffer contents.
LayerManagerComposite::PlatformSyncBeforeReplyUpdate();
mShadowLayersManager->ShadowLayersUpdated(this, targetConfig, isFirstPaint);
#ifdef COMPOSITOR_PERFORMANCE_WARNING
int compositeTime = (int)(mozilla::TimeStamp::Now() - updateStart).ToMilliseconds();
if (compositeTime > 15) {
printf_stderr("Compositor: Layers update took %i ms (blocking gecko).\n", compositeTime);
}
#endif
return true;
}
void
TileBuilder::createTile(const TileKey& key,
bool parallelize,
osg::ref_ptr<Tile>& out_tile,
bool& out_hasRealData,
bool& out_hasLodBlendedLayers )
{
MapFrame mapf( _map, Map::MASKED_TERRAIN_LAYERS );
SourceRepo repo;
// init this to false, then search for real data. "Real data" is data corresponding
// directly to the key, as opposed to fallback data, which is derived from a lower
// LOD key.
out_hasRealData = false;
out_hasLodBlendedLayers = false;
const MapInfo& mapInfo = mapf.getMapInfo();
// If we need more than one layer, fetch them in parallel.
// TODO: change the test based on isKeyValid total.
if ( parallelize && (mapf.imageLayers().size() + mapf.elevationLayers().size() > 1) )
{
// count the valid layers.
int jobCount = 0;
for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); ++i )
{
if ( i->get()->isKeyValid( key ) )
++jobCount;
if ( i->get()->getImageLayerOptions().lodBlending() == true )
out_hasLodBlendedLayers = true;
}
if ( mapf.elevationLayers().size() > 0 )
++jobCount;
// A thread job monitoring event:
Threading::MultiEvent semaphore( jobCount );
// Start the image layer jobs:
for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); ++i )
{
ImageLayer* layer = i->get();
if ( layer->isKeyValid(key) )
{
ParallelTask<BuildColorLayer>* j = new ParallelTask<BuildColorLayer>( &semaphore );
j->init( key, layer, mapInfo, _terrainOptions, repo );
j->setPriority( -(float)key.getLevelOfDetail() );
_service->add( j );
}
}
// If we have elevation layers, start an elevation job as well. Otherwise just create an
// empty one while we're waiting for the images to load.
if ( mapf.elevationLayers().size() > 0 )
{
ParallelTask<BuildElevLayer>* ej = new ParallelTask<BuildElevLayer>( &semaphore );
ej->init( key, mapf, _terrainOptions, repo );
ej->setPriority( -(float)key.getLevelOfDetail() );
_service->add( ej );
}
else
{
BuildElevLayer build;
build.init( key, mapf, _terrainOptions, repo );
build.execute();
}
// Wait for all the jobs to finish.
semaphore.wait();
}
// Fetch the image data serially:
else
{
// gather all the image layers serially.
for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); ++i )
{
ImageLayer* layer = i->get();
if ( layer->isKeyValid(key) )
{
BuildColorLayer build;
build.init( key, layer, mapInfo, _terrainOptions, repo );
build.execute();
}
if ( layer->getImageLayerOptions().lodBlending() == true )
out_hasLodBlendedLayers = true;
}
// make an elevation layer.
BuildElevLayer build;
build.init( key, mapf, _terrainOptions, repo );
build.execute();
}
// Bail out now if there's no data to be had.
if ( repo._colorLayers.size() == 0 && !repo._elevLayer.getHFLayer() )
{
return;
}
// OK we are making a tile, so if there's no heightfield yet, make an empty one.
if ( !repo._elevLayer.getHFLayer() )
{
osg::HeightField* hf = key.getProfile()->getVerticalSRS()->createReferenceHeightField( key.getExtent(), 8, 8 );
osgTerrain::HeightFieldLayer* hfLayer = new osgTerrain::HeightFieldLayer( hf );
hfLayer->setLocator( GeoLocator::createForKey(key, mapInfo) );
repo._elevLayer = CustomElevLayer( hfLayer, true );
}
// Now, if there are any color layers that did not get built, create them with an empty
// image so the shaders have something to draw.
osg::ref_ptr<osg::Image> emptyImage;
osgTerrain::Locator* locator = repo._elevLayer.getHFLayer()->getLocator();
for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); ++i )
{
if ( !i->get()->isKeyValid(key) )
{
if ( !emptyImage.valid() )
emptyImage = ImageUtils::createEmptyImage();
repo.add( CustomColorLayer(
i->get(), emptyImage.get(),
locator,
key.getLevelOfDetail(),
key,
true ) );
}
}
//osg::Vec3dArray* maskBounds = 0L;
//osgEarth::MaskLayer* mask = mapf.getTerrainMaskLayer();
//if (mask)
// maskBounds = mask->getOrCreateBoundary();
// Ready to create the actual tile.
AssembleTile assemble;
assemble.init( key, mapInfo, _terrainOptions, repo, mapf.terrainMaskLayers() );
assemble.execute();
if (!out_hasRealData)
{
// Check the results and see if we have any real data.
for( ColorLayersByUID::const_iterator i = repo._colorLayers.begin(); i != repo._colorLayers.end(); ++i )
{
if ( !i->second.isFallbackData() )
{
out_hasRealData = true;
break;
}
}
}
if ( !out_hasRealData && !repo._elevLayer.isFallbackData() )
{
out_hasRealData = true;
}
out_tile = assemble._tile;
}
// called from the UPDATE TRAVERSAL, because this method can potentially alter
// the scene graph.
bool
StreamingTile::serviceCompletedRequests( const MapFrame& mapf, bool tileTableLocked )
{
//Don't do anything until we have been added to the scene graph
if (!_hasBeenTraversed) return false;
bool tileModified = false;
if ( !_requestsInstalled )
return false;
// First service the tile generator:
if ( _tileGenRequest.valid() && _tileGenRequest->isCompleted() )
{
CustomTerrainTechnique* tech = dynamic_cast<CustomTerrainTechnique*>( getTerrainTechnique() );
if ( tech )
{
//TODO: consider waiting to apply if there are still more tile updates in the queue.
if ( _tileUpdates.size() == 0 )
{
tileModified = tech->applyTileUpdates();
}
}
_tileGenRequest = 0L;
}
// now deal with imagery.
const LoadingPolicy& lp = getStreamingTerrain()->getLoadingPolicy();
StreamingTerrainNode* terrain = getStreamingTerrain();
//Check each layer independently.
for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); ++i )
{
ImageLayer* imageLayer = i->get();
bool checkForFinalImagery = false;
CustomColorLayer colorLayer;
if ( getCustomColorLayer( imageLayer->getUID(), colorLayer ) )
{
if ( lp.mode() == LoadingPolicy::MODE_PREEMPTIVE )
{
// in preemptive mode, always check for the final imagery - there are no intermediate
// placeholders.
checkForFinalImagery = true;
}
else if (lp.mode() == LoadingPolicy::MODE_SEQUENTIAL &&
readyForNewImagery(imageLayer, colorLayer.getLevelOfDetail()) )
{
// in sequential mode, we have to incrementally increase imagery resolution by
// creating placeholders based of parent tiles, one LOD at a time.
if ( colorLayer.getLevelOfDetail() + 1 < (int)_key.getLevelOfDetail() )
{
// if the parent's image LOD is higher than ours, replace ours with the parent's
// since it is a higher-resolution placeholder:
if ( _family[Relative::PARENT].getImageLOD(colorLayer.getUID()) > colorLayer.getLevelOfDetail() )
{
osg::ref_ptr<Tile> parentTile;
getStreamingTerrain()->getTile( _family[Relative::PARENT].tileID, parentTile, !tileTableLocked );
// Set the color layer to the parent color layer as a placeholder.
CustomColorLayer parentColorLayer;
if ( parentTile->getCustomColorLayer( colorLayer.getUID(), parentColorLayer ) )
{
this->setCustomColorLayer( parentColorLayer );
}
// ... and queue up an update request.
queueTileUpdate( TileUpdate::UPDATE_IMAGE_LAYER, colorLayer.getUID() );
}
}
else
{
// we've gone as far as we can with placeholders; time to check for the
// final imagery tile.
checkForFinalImagery = true;
}
}
}
if ( checkForFinalImagery )
{
// Then the image requests:
for( TaskRequestList::iterator itr = _requests.begin(); itr != _requests.end(); )
{
bool increment = true;
TileColorLayerRequest* r = static_cast<TileColorLayerRequest*>( itr->get() );
//We only care about the current layer we are checking
if ( r->_layerUID == imageLayer->getUID() )
{
if ( itr->get()->isCompleted() )
{
if ( r->wasCanceled() )
{
//Reset the cancelled task to IDLE and give it a new progress callback.
r->setState( TaskRequest::STATE_IDLE );
r->setProgressCallback( new StampedProgressCallback(
r, terrain->getImageryTaskService( r->_layerUID )));
r->reset();
}
else // success..
{
//See if we even care about the request
if ( !mapf.getImageLayerByUID( r->_layerUID ) )
{
//The maplayer was probably deleted
OE_DEBUG << "Layer uid=" << r->_layerUID << " no longer exists, ignoring TileColorLayerRequest " << std::endl;
itr = _requests.erase(itr);
increment = false;
}
else
{
CustomColorLayerRef* result = static_cast<CustomColorLayerRef*>( r->getResult() );
if ( result )
{
this->setCustomColorLayer( result->_layer );
queueTileUpdate( TileUpdate::UPDATE_IMAGE_LAYER, r->_layerUID );
//OE_NOTICE << "Complete IR (" << _key.str() << ") layer=" << r->_layerId << std::endl;
// remove from the list (don't reference "r" after this!)
itr = _requests.erase( itr );
increment = false;
}
else
{
if (r->_numTries > r->_maxTries)
{
CustomColorLayer oldLayer;
if ( this->getCustomColorLayer( r->_layerUID, oldLayer ) )
{
// apply the old color layer but with a new LOD.
this->setCustomColorLayer( CustomColorLayer(
oldLayer.getMapLayer(),
oldLayer.getImage(),
oldLayer.getLocator(),
_key.getLevelOfDetail(),
_key ));
itr = _requests.erase( itr );
increment = false;
OE_DEBUG << "Tried (" << _key.str() << ") (layer uid=" << r->_layerUID << "), too many times, moving on...." << std::endl;
}
}
else
{
OE_DEBUG << "IReq error (" << _key.str() << ") (layer uid=" << r->_layerUID << "), retrying" << std::endl;
//The color layer request failed, probably due to a server error. Reset it.
r->setState( TaskRequest::STATE_IDLE );
r->reset();
}
}
}
}
}
}
if ( increment )
++itr;
}
}
}
// Finally, the elevation requests:
if ( _hasElevation && !_elevationLayerUpToDate && _elevRequest.valid() && _elevPlaceholderRequest.valid() )
{
// First, check is the Main elevation request is done. If so, we will now have the final HF data
// and can shut down the elevation requests for this tile.
if ( _elevRequest->isCompleted() )
{
if ( _elevRequest->wasCanceled() )
{
// If the request was canceled, reset it to IDLE and reset the callback. On the next
_elevRequest->setState( TaskRequest::STATE_IDLE );
_elevRequest->setProgressCallback( new ProgressCallback() );
_elevRequest->reset();
}
else // success:
{
// if the elevation request succeeded, install the new elevation layer!
TileElevationLayerRequest* r = static_cast<TileElevationLayerRequest*>( _elevRequest.get() );
osg::ref_ptr<osgTerrain::HeightFieldLayer> newHFLayer = static_cast<osgTerrain::HeightFieldLayer*>( r->getResult() );
if ( newHFLayer.valid() && newHFLayer->getHeightField() != NULL )
{
newHFLayer->getHeightField()->setSkirtHeight(
terrain->getTileFactory()->getTerrainOptions().heightFieldSkirtRatio().get() *
this->getBound().radius() );
// need to write-lock the layer data since we'll be changing it:
{
Threading::ScopedWriteLock lock( _tileLayersMutex );
this->setElevationLayer( newHFLayer.get() );
this->dirtyBound();
}
// the tile needs rebuilding. This will kick off a TileGenRequest.
queueTileUpdate( TileUpdate::UPDATE_ELEVATION );
// finalize the LOD marker for this tile, so other tiles can see where we are.
_elevationLOD = _key.getLevelOfDetail();
#ifdef PREEMPTIVE_DEBUG
OE_NOTICE << "Tile (" << _key.str() << ") final HF, LOD (" << _elevationLOD << ")" << std::endl;
#endif
// this was the final elev request, so mark elevation as DONE.
_elevationLayerUpToDate = true;
// GW- just reset these and leave them alone and let cancelRequests() take care of cleanup later.
// done with our Elevation requests!
//_elevRequest = 0L;
//_elevPlaceholderRequest = 0L;
}
else
{
//We've tried to get the tile's elevation but couldn't. Just mark the elevation layer as up to date and move on.
_elevationLOD = _key.getLevelOfDetail();
_elevationLayerUpToDate = true;
//This code will retry indefinitely. We need to have a way to limit the number of retries since
//it will block neighbor tiles from loading.
//_elevRequest->setState( TaskRequest::STATE_IDLE );
//_elevRequest->reset();
}
}
}
else if ( _elevPlaceholderRequest->isCompleted() )
{
TileElevationPlaceholderLayerRequest* r =
static_cast<TileElevationPlaceholderLayerRequest*>(_elevPlaceholderRequest.get());
if ( r->wasCanceled() )
{
r->setState( TaskRequest::STATE_IDLE );
r->setProgressCallback( new ProgressCallback() );
r->reset();
}
else // success:
{
osg::ref_ptr<osgTerrain::HeightFieldLayer> newPhLayer = static_cast<osgTerrain::HeightFieldLayer*>( r->getResult() );
if ( newPhLayer.valid() && newPhLayer->getHeightField() != NULL )
{
// install the new elevation layer.
{
Threading::ScopedWriteLock lock( _tileLayersMutex );
this->setElevationLayer( newPhLayer.get() );
this->dirtyBound();
}
// tile needs to be recompiled.
queueTileUpdate( TileUpdate::UPDATE_ELEVATION );
// update the elevation LOD for this tile, now that the new HF data is installed. This will
// allow other tiles to see where this tile's HF data is.
_elevationLOD = r->_nextLOD;
#ifdef PREEMPTIVE_DEBUG
OE_NOTICE << "..tile (" << _key.str() << ") is now at (" << _elevationLOD << ")" << std::endl;
#endif
}
_elevPlaceholderRequest->setState( TaskRequest::STATE_IDLE );
_elevPlaceholderRequest->reset();
}
}
}
// if we have a new TileGenRequest, queue it up now.
if ( _tileUpdates.size() > 0 && !_tileGenRequest.valid() ) // _tileGenNeeded && !_tileGenRequest.valid())
{
_tileGenRequest = new TileGenRequest( this, _tileUpdates.front() );
_tileUpdates.pop();
//OE_NOTICE << "tile (" << _key.str() << ") queuing new tile gen" << std::endl;
getStreamingTerrain()->getTileGenerationTaskService()->add( _tileGenRequest.get() );
}
return tileModified;
}
void
TileModelFactory::createTileModel(const TileKey& key,
osg::ref_ptr<TileModel>& out_model,
bool& out_hasRealData,
bool& out_hasLodBlendedLayers )
{
MapFrame mapf( _map, Map::MASKED_TERRAIN_LAYERS );
const MapInfo& mapInfo = mapf.getMapInfo();
osg::ref_ptr<TileModel> model = new TileModel();
model->_tileKey = key;
model->_tileLocator = GeoLocator::createForKey(key, mapInfo);
// init this to false, then search for real data. "Real data" is data corresponding
// directly to the key, as opposed to fallback data, which is derived from a lower
// LOD key.
out_hasRealData = false;
out_hasLodBlendedLayers = false;
// Fetch the image data and make color layers.
for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); ++i )
{
ImageLayer* layer = i->get();
if ( layer->getEnabled() )
{
BuildColorData build;
build.init( key, layer, mapInfo, _terrainOptions, model.get() );
build.execute();
if ( layer->getImageLayerOptions().lodBlending() == true )
{
out_hasLodBlendedLayers = true;
}
}
}
// make an elevation layer.
BuildElevationData build;
build.init( key, mapf, _terrainOptions, model.get(), _hfCache );
build.execute();
// Bail out now if there's no data to be had.
if ( model->_colorData.size() == 0 && !model->_elevationData.getHFLayer() )
{
return;
}
// OK we are making a tile, so if there's no heightfield yet, make an empty one.
if ( !model->_elevationData.getHFLayer() )
{
osg::HeightField* hf = HeightFieldUtils::createReferenceHeightField( key.getExtent(), 8, 8 );
osgTerrain::HeightFieldLayer* hfLayer = new osgTerrain::HeightFieldLayer( hf );
hfLayer->setLocator( GeoLocator::createForKey(key, mapInfo) );
model->_elevationData = TileModel::ElevationData( hfLayer, true );
}
// Now, if there are any color layers that did not get built, create them with an empty
// image so the shaders have something to draw.
osg::ref_ptr<osg::Image> emptyImage;
osgTerrain::Locator* locator = model->_elevationData.getHFLayer()->getLocator();
for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); ++i )
{
ImageLayer* layer = i->get();
if ( layer->getEnabled() && !layer->isKeyValid(key) )
{
if ( !emptyImage.valid() )
emptyImage = ImageUtils::createEmptyImage();
model->_colorData[i->get()->getUID()] = TileModel::ColorData(
layer,
emptyImage.get(),
locator,
key.getLevelOfDetail(),
key,
true );
}
}
// Ready to create the actual tile.
//AssembleTile assemble;
//assemble.init( key, mapInfo, _terrainOptions, model.get(), mapf.terrainMaskLayers() );
//assemble.execute();
// if we're using LOD blending, find and add the parent's state set.
if ( out_hasLodBlendedLayers && key.getLevelOfDetail() > 0 && _liveTiles.valid() )
{
osg::ref_ptr<TileNode> parent;
if ( _liveTiles->get( key.createParentKey(), parent ) )
{
model->_parentStateSet = parent->getPublicStateSet();
}
}
if (!out_hasRealData)
{
// Check the results and see if we have any real data.
for( TileModel::ColorDataByUID::const_iterator i = model->_colorData.begin(); i != model->_colorData.end(); ++i )
{
if ( !i->second.isFallbackData() )
{
out_hasRealData = true;
break;
}
}
}
if ( !out_hasRealData && !model->_elevationData.isFallbackData() )
{
out_hasRealData = true;
}
out_model = model.release();
//out_tile = assemble._node;
}
void
TileModelFactory::createTileModel(const TileKey& key,
const MapFrame& frame,
osg::ref_ptr<TileModel>& out_model,
ProgressCallback* progress)
{
osg::ref_ptr<TileModel> model = new TileModel( frame.getRevision(), frame.getMapInfo() );
model->_tileKey = key;
model->_tileLocator = GeoLocator::createForKey(key, frame.getMapInfo());
OE_START_TIMER(fetch_imagery);
// Fetch the image data and make color layers.
unsigned index = 0;
unsigned order = 0;
for( ImageLayerVector::const_iterator i = frame.imageLayers().begin(); i != frame.imageLayers().end(); ++i )
{
ImageLayer* layer = i->get();
if ( layer->getEnabled() )
{
BuildColorData build;
build.init( key, layer, order, frame.getMapInfo(), _terrainOptions, _liveTiles.get(), model.get() );
bool addedToModel = build.execute(progress);
if ( addedToModel )
{
// only bump the order if we added something to the data model.
order++;
}
}
}
if (progress)
progress->stats()["fetch_imagery_time"] += OE_STOP_TIMER(fetch_imagery);
OE_START_TIMER(fetch_elevation);
// make an elevation layer.
BuildElevationData build;
build.init( key, frame, _terrainOptions, _liveTiles.get(), model.get(), _hfCache.get() );
build.execute(progress);
if (progress)
progress->stats()["fetch_elevation_time"] += OE_STOP_TIMER(fetch_elevation);
// If nothing was added, not even a fallback heightfield, something went
// horribly wrong. Leave without a tile model. Chances are that a parent tile
// not not found in the live-tile registry.
if ( model->_colorData.size() == 0 && !model->_elevationData.getHeightField() )
{
return;
}
// OK we are making a tile, so if there's no heightfield yet, make an empty one (and mark it
// as fallback data of course)
if ( !model->_elevationData.getHeightField() )
{
osg::HeightField* hf = HeightFieldUtils::createReferenceHeightField( key.getExtent(), 15, 15 );
model->_elevationData = TileModel::ElevationData(
hf,
GeoLocator::createForKey(key, frame.getMapInfo()),
true );
}
// look up the parent model and cache it.
osg::ref_ptr<TileNode> parentTile;
if ( _liveTiles->get(key.createParentKey(), parentTile) )
model->_parentModel = parentTile->getTileModel();
out_model = model.release();
}
bool
HwcComposer2D::PrepareLayerList(Layer* aLayer,
const nsIntRect& aClip,
const Matrix& aParentTransform,
bool aFindSidebandStreams)
{
// NB: we fall off this path whenever there are container layers
// that require intermediate surfaces. That means all the
// GetEffective*() coordinates are relative to the framebuffer.
bool fillColor = false;
const nsIntRegion visibleRegion = aLayer->GetLocalVisibleRegion().ToUnknownRegion();
if (visibleRegion.IsEmpty()) {
return true;
}
uint8_t opacity = std::min(0xFF, (int)(aLayer->GetEffectiveOpacity() * 256.0));
if (opacity == 0) {
LOGD("%s Layer has zero opacity; skipping", aLayer->Name());
return true;
}
if (!mHal->SupportTransparency() && opacity < 0xFF && !aFindSidebandStreams) {
LOGD("%s Layer has planar semitransparency which is unsupported by hwcomposer", aLayer->Name());
return false;
}
if (aLayer->GetMaskLayer() && !aFindSidebandStreams) {
LOGD("%s Layer has MaskLayer which is unsupported by hwcomposer", aLayer->Name());
return false;
}
nsIntRect clip;
nsIntRect layerClip = aLayer->GetLocalClipRect().valueOr(ParentLayerIntRect()).ToUnknownRect();
nsIntRect* layerClipPtr = aLayer->GetLocalClipRect() ? &layerClip : nullptr;
if (!HwcUtils::CalculateClipRect(aParentTransform,
layerClipPtr,
aClip,
&clip))
{
LOGD("%s Clip rect is empty. Skip layer", aLayer->Name());
return true;
}
// HWC supports only the following 2D transformations:
//
// Scaling via the sourceCrop and displayFrame in HwcLayer
// Translation via the sourceCrop and displayFrame in HwcLayer
// Rotation (in square angles only) via the HWC_TRANSFORM_ROT_* flags
// Reflection (horizontal and vertical) via the HWC_TRANSFORM_FLIP_* flags
//
// A 2D transform with PreservesAxisAlignedRectangles() has all the attributes
// above
Matrix layerTransform;
if (!aLayer->GetEffectiveTransform().Is2D(&layerTransform) ||
!layerTransform.PreservesAxisAlignedRectangles()) {
LOGD("Layer EffectiveTransform has a 3D transform or a non-square angle rotation");
return false;
}
Matrix layerBufferTransform;
if (!aLayer->GetEffectiveTransformForBuffer().Is2D(&layerBufferTransform) ||
!layerBufferTransform.PreservesAxisAlignedRectangles()) {
LOGD("Layer EffectiveTransformForBuffer has a 3D transform or a non-square angle rotation");
return false;
}
if (ContainerLayer* container = aLayer->AsContainerLayer()) {
if (container->UseIntermediateSurface() && !aFindSidebandStreams) {
LOGD("Container layer needs intermediate surface");
return false;
}
AutoTArray<Layer*, 12> children;
container->SortChildrenBy3DZOrder(children);
for (uint32_t i = 0; i < children.Length(); i++) {
if (!PrepareLayerList(children[i], clip, layerTransform, aFindSidebandStreams) &&
!aFindSidebandStreams) {
return false;
}
}
return true;
}
LayerRenderState state = aLayer->GetRenderState();
#if ANDROID_VERSION >= 21
if (!state.GetGrallocBuffer() && !state.GetSidebandStream().IsValid()) {
#else
if (!state.GetGrallocBuffer()) {
#endif
if (aLayer->AsColorLayer() && mColorFill) {
fillColor = true;
} else {
LOGD("%s Layer doesn't have a gralloc buffer", aLayer->Name());
return false;
}
}
nsIntRect visibleRect = visibleRegion.GetBounds();
nsIntRect bufferRect;
if (fillColor) {
bufferRect = nsIntRect(visibleRect);
} else {
nsIntRect layerRect;
if (state.mHasOwnOffset) {
bufferRect = nsIntRect(state.mOffset.x, state.mOffset.y,
state.mSize.width, state.mSize.height);
layerRect = bufferRect;
} else {
//Since the buffer doesn't have its own offset, assign the whole
//surface size as its buffer bounds
bufferRect = nsIntRect(0, 0, state.mSize.width, state.mSize.height);
layerRect = bufferRect;
if (aLayer->GetType() == Layer::TYPE_IMAGE) {
ImageLayer* imageLayer = static_cast<ImageLayer*>(aLayer);
if(imageLayer->GetScaleMode() != ScaleMode::SCALE_NONE) {
layerRect = nsIntRect(0, 0, imageLayer->GetScaleToSize().width, imageLayer->GetScaleToSize().height);
}
}
}
// In some cases the visible rect assigned to the layer can be larger
// than the layer's surface, e.g., an ImageLayer with a small Image
// in it.
visibleRect.IntersectRect(visibleRect, layerRect);
}
// Buffer rotation is not to be confused with the angled rotation done by a transform matrix
// It's a fancy PaintedLayer feature used for scrolling
if (state.BufferRotated()) {
LOGD("%s Layer has a rotated buffer", aLayer->Name());
return false;
}
const bool needsYFlip = state.OriginBottomLeft() ? true
: false;
hwc_rect_t sourceCrop, displayFrame;
if(!HwcUtils::PrepareLayerRects(visibleRect,
layerTransform,
layerBufferTransform,
clip,
bufferRect,
needsYFlip,
&(sourceCrop),
&(displayFrame)))
{
return true;
}
// OK! We can compose this layer with hwc.
int current = mList ? mList->numHwLayers : 0;
// Do not compose any layer below full-screen Opaque layer
// Note: It can be generalized to non-fullscreen Opaque layers.
bool isOpaque = opacity == 0xFF &&
(state.mFlags & LayerRenderStateFlags::OPAQUE);
// Currently we perform opacity calculation using the *bounds* of the layer.
// We can only make this assumption if we're not dealing with a complex visible region.
bool isSimpleVisibleRegion = visibleRegion.Contains(visibleRect);
if (current && isOpaque && isSimpleVisibleRegion) {
nsIntRect displayRect = nsIntRect(displayFrame.left, displayFrame.top,
displayFrame.right - displayFrame.left, displayFrame.bottom - displayFrame.top);
if (displayRect.Contains(mScreenRect)) {
// In z-order, all previous layers are below
// the current layer. We can ignore them now.
mList->numHwLayers = current = 0;
mHwcLayerMap.Clear();
}
}
if (!mList || current >= mMaxLayerCount) {
if (!ReallocLayerList() || current >= mMaxLayerCount) {
LOGE("PrepareLayerList failed! Could not increase the maximum layer count");
return false;
}
}
HwcLayer& hwcLayer = mList->hwLayers[current];
hwcLayer.displayFrame = displayFrame;
mHal->SetCrop(hwcLayer, sourceCrop);
buffer_handle_t handle = nullptr;
#if ANDROID_VERSION >= 21
if (state.GetSidebandStream().IsValid()) {
handle = state.GetSidebandStream().GetRawNativeHandle();
} else if (state.GetGrallocBuffer()) {
handle = state.GetGrallocBuffer()->getNativeBuffer()->handle;
}
#else
if (state.GetGrallocBuffer()) {
handle = state.GetGrallocBuffer()->getNativeBuffer()->handle;
}
#endif
hwcLayer.handle = handle;
hwcLayer.flags = 0;
hwcLayer.hints = 0;
hwcLayer.blending = isOpaque ? HWC_BLENDING_NONE : HWC_BLENDING_PREMULT;
#if ANDROID_VERSION >= 17
hwcLayer.compositionType = HWC_FRAMEBUFFER;
#if ANDROID_VERSION >= 21
if (state.GetSidebandStream().IsValid()) {
hwcLayer.compositionType = HWC_SIDEBAND;
}
#endif
hwcLayer.acquireFenceFd = -1;
hwcLayer.releaseFenceFd = -1;
#if ANDROID_VERSION >= 18
hwcLayer.planeAlpha = opacity;
#endif
#else
hwcLayer.compositionType = HwcUtils::HWC_USE_COPYBIT;
#endif
if (!fillColor) {
if (state.FormatRBSwapped()) {
if (!mRBSwapSupport) {
LOGD("No R/B swap support in H/W Composer");
return false;
}
hwcLayer.flags |= HwcUtils::HWC_FORMAT_RB_SWAP;
}
// Translation and scaling have been addressed in PrepareLayerRects().
// Given the above and that we checked for PreservesAxisAlignedRectangles()
// the only possible transformations left to address are
// square angle rotation and horizontal/vertical reflection.
//
// The rotation and reflection permutations total 16 but can be
// reduced to 8 transformations after eliminating redundancies.
//
// All matrices represented here are in the form
//
// | xx xy |
// | yx yy |
//
// And ignore scaling.
//
// Reflection is applied before rotation
gfx::Matrix rotation = layerTransform;
// Compute fuzzy zero like PreservesAxisAlignedRectangles()
if (fabs(rotation._11) < 1e-6) {
if (rotation._21 < 0) {
if (rotation._12 > 0) {
// 90 degree rotation
//
// | 0 -1 |
// | 1 0 |
//
hwcLayer.transform = HWC_TRANSFORM_ROT_90;
LOGD("Layer rotated 90 degrees");
}
else {
// Horizontal reflection then 90 degree rotation
//
// | 0 -1 | | -1 0 | = | 0 -1 |
// | 1 0 | | 0 1 | | -1 0 |
//
// same as vertical reflection then 270 degree rotation
//
// | 0 1 | | 1 0 | = | 0 -1 |
// | -1 0 | | 0 -1 | | -1 0 |
//
hwcLayer.transform = HWC_TRANSFORM_ROT_90 | HWC_TRANSFORM_FLIP_H;
LOGD("Layer vertically reflected then rotated 270 degrees");
}
} else {
if (rotation._12 < 0) {
// 270 degree rotation
//
// | 0 1 |
// | -1 0 |
//
hwcLayer.transform = HWC_TRANSFORM_ROT_270;
LOGD("Layer rotated 270 degrees");
}
else {
// Vertical reflection then 90 degree rotation
//
// | 0 1 | | -1 0 | = | 0 1 |
// | -1 0 | | 0 1 | | 1 0 |
//
// Same as horizontal reflection then 270 degree rotation
//
// | 0 -1 | | 1 0 | = | 0 1 |
// | 1 0 | | 0 -1 | | 1 0 |
//
hwcLayer.transform = HWC_TRANSFORM_ROT_90 | HWC_TRANSFORM_FLIP_V;
LOGD("Layer horizontally reflected then rotated 270 degrees");
}
}
} else if (rotation._11 < 0) {
if (rotation._22 > 0) {
// Horizontal reflection
//
// | -1 0 |
// | 0 1 |
//
hwcLayer.transform = HWC_TRANSFORM_FLIP_H;
LOGD("Layer rotated 180 degrees");
}
else {
// 180 degree rotation
//
// | -1 0 |
// | 0 -1 |
//
// Same as horizontal and vertical reflection
//
// | -1 0 | | 1 0 | = | -1 0 |
// | 0 1 | | 0 -1 | | 0 -1 |
//
hwcLayer.transform = HWC_TRANSFORM_ROT_180;
LOGD("Layer rotated 180 degrees");
}
} else {
if (rotation._22 < 0) {
// Vertical reflection
//
// | 1 0 |
// | 0 -1 |
//
hwcLayer.transform = HWC_TRANSFORM_FLIP_V;
LOGD("Layer rotated 180 degrees");
}
else {
// No rotation or reflection
//
// | 1 0 |
// | 0 1 |
//
hwcLayer.transform = 0;
}
}
const bool needsYFlip = state.OriginBottomLeft() ? true
: false;
if (needsYFlip) {
// Invert vertical reflection flag if it was already set
hwcLayer.transform ^= HWC_TRANSFORM_FLIP_V;
}
hwc_region_t region;
if (visibleRegion.GetNumRects() > 1) {
mVisibleRegions.push_back(HwcUtils::RectVector());
HwcUtils::RectVector* visibleRects = &(mVisibleRegions.back());
bool isVisible = false;
if(!HwcUtils::PrepareVisibleRegion(visibleRegion,
layerTransform,
layerBufferTransform,
clip,
bufferRect,
visibleRects,
isVisible)) {
LOGD("A region of layer is too small to be rendered by HWC");
return false;
}
if (!isVisible) {
// Layer is not visible, no need to render it
return true;
}
region.numRects = visibleRects->size();
region.rects = &((*visibleRects)[0]);
} else {
region.numRects = 1;
region.rects = &(hwcLayer.displayFrame);
}
hwcLayer.visibleRegionScreen = region;
} else {
hwcLayer.flags |= HwcUtils::HWC_COLOR_FILL;
ColorLayer* colorLayer = aLayer->AsColorLayer();
if (colorLayer->GetColor().a < 1.0) {
LOGD("Color layer has semitransparency which is unsupported");
return false;
}
hwcLayer.transform = colorLayer->GetColor().ToABGR();
}
#if ANDROID_VERSION >= 21
if (aFindSidebandStreams && hwcLayer.compositionType == HWC_SIDEBAND) {
mCachedSidebandLayers.AppendElement(hwcLayer);
}
#endif
mHwcLayerMap.AppendElement(static_cast<LayerComposite*>(aLayer->ImplData()));
mList->numHwLayers++;
return true;
}
#if ANDROID_VERSION >= 17
bool
HwcComposer2D::TryHwComposition(nsScreenGonk* aScreen)
{
DisplaySurface* dispSurface = aScreen->GetDisplaySurface();
if (!(dispSurface && dispSurface->lastHandle)) {
LOGD("H/W Composition failed. DispSurface not initialized.");
return false;
}
// Add FB layer
int idx = mList->numHwLayers++;
if (idx >= mMaxLayerCount) {
if (!ReallocLayerList() || idx >= mMaxLayerCount) {
LOGE("TryHwComposition failed! Could not add FB layer");
return false;
}
}
Prepare(dispSurface->lastHandle, -1, aScreen);
/* Possible composition paths, after hwc prepare:
1. GPU Composition
2. BLIT Composition
3. Full OVERLAY Composition
4. Partial OVERLAY Composition (GPU + OVERLAY) */
bool gpuComposite = false;
bool blitComposite = false;
bool overlayComposite = true;
for (int j=0; j < idx; j++) {
if (mList->hwLayers[j].compositionType == HWC_FRAMEBUFFER ||
mList->hwLayers[j].compositionType == HWC_BLIT) {
// Full OVERLAY composition is not possible on this frame
// It is either GPU / BLIT / partial OVERLAY composition.
overlayComposite = false;
break;
}
}
if (!overlayComposite) {
for (int k=0; k < idx; k++) {
switch (mList->hwLayers[k].compositionType) {
case HWC_FRAMEBUFFER:
gpuComposite = true;
break;
case HWC_BLIT:
blitComposite = true;
break;
#if ANDROID_VERSION >= 21
case HWC_SIDEBAND:
#endif
case HWC_OVERLAY: {
// HWC will compose HWC_OVERLAY layers in partial
// Overlay Composition, set layer composition flag
// on mapped LayerComposite to skip GPU composition
mHwcLayerMap[k]->SetLayerComposited(true);
uint8_t opacity = std::min(0xFF, (int)(mHwcLayerMap[k]->GetLayer()->GetEffectiveOpacity() * 256.0));
if ((mList->hwLayers[k].hints & HWC_HINT_CLEAR_FB) &&
(opacity == 0xFF)) {
// Clear visible rect on FB with transparent pixels.
hwc_rect_t r = mList->hwLayers[k].displayFrame;
mHwcLayerMap[k]->SetClearRect(nsIntRect(r.left, r.top,
r.right - r.left,
r.bottom - r.top));
}
break;
}
default:
break;
}
}
if (gpuComposite) {
// GPU or partial OVERLAY Composition
return false;
} else if (blitComposite) {
// BLIT Composition, flip DispSurface target
GetGonkDisplay()->UpdateDispSurface(aScreen->GetEGLDisplay(), aScreen->GetEGLSurface());
DisplaySurface* dispSurface = aScreen->GetDisplaySurface();
if (!dispSurface) {
LOGE("H/W Composition failed. NULL DispSurface.");
return false;
}
mList->hwLayers[idx].handle = dispSurface->lastHandle;
mList->hwLayers[idx].acquireFenceFd = dispSurface->GetPrevDispAcquireFd();
}
}
// BLIT or full OVERLAY Composition
return Commit(aScreen);
}
/** Packages an image layer as a TMS folder. */
int
makeTMS( osg::ArgumentParser& args )
{
// see if the user wants to override the type extension (imagery only)
std::string extension = "png";
args.read( "--ext", extension );
// verbosity?
bool verbose = !args.read( "--quiet" );
// find a .earth file on the command line
std::string earthFile = findArgumentWithExtension(args, ".earth");
if ( earthFile.empty() )
return usage( "Missing required .earth file" );
// folder to which to write the TMS archive.
std::string rootFolder;
if ( !args.read( "--out", rootFolder ) )
rootFolder = Stringify() << earthFile << ".tms_repo";
// max level to which to generate
unsigned maxLevel = ~0;
args.read( "--max-level", maxLevel );
// load up the map
osg::ref_ptr<MapNode> mapNode = MapNode::load( args );
if ( !mapNode.valid() )
return usage( "Failed to load a valid .earth file" );
// create a folder for the output
osgDB::makeDirectory(rootFolder);
if ( !osgDB::fileExists(rootFolder) )
return usage("Failed to create root output folder" );
Map* map = mapNode->getMap();
// fire up a packager:
TMSPackager packager( map->getProfile() );
packager.setVerbose( verbose );
if ( maxLevel != ~0 )
packager.setMaxLevel( maxLevel );
// package any image layers that are enabled:
ImageLayerVector imageLayers;
map->getImageLayers( imageLayers );
unsigned counter = 0;
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i, ++counter )
{
ImageLayer* layer = i->get();
if ( layer->getImageLayerOptions().enabled() == true )
{
std::string layerFolder = toLegalFileName( layer->getName() );
if ( layerFolder.empty() )
layerFolder = Stringify() << "image_layer_" << counter;
if ( verbose )
{
OE_NOTICE << LC << "Packaging image layer \"" << layerFolder << "\"" << std::endl;
}
std::string layerRoot = osgDB::concatPaths( rootFolder, layerFolder );
TMSPackager::Result r = packager.package( layer, layerRoot, extension );
if ( !r.ok )
{
OE_WARN << LC << r.message << std::endl;
}
}
else if ( verbose )
{
OE_NOTICE << LC << "Skipping disabled layer \"" << layer->getName() << "\"" << std::endl;
}
}
// package any elevation layers that are enabled:
counter = 0;
ElevationLayerVector elevationLayers;
map->getElevationLayers( elevationLayers );
for( ElevationLayerVector::iterator i = elevationLayers.begin(); i != elevationLayers.end(); ++i, ++counter )
{
ElevationLayer* layer = i->get();
if ( layer->getElevationLayerOptions().enabled() == true )
{
std::string layerFolder = toLegalFileName( layer->getName() );
if ( layerFolder.empty() )
layerFolder = Stringify() << "elevation_layer_" << counter;
if ( verbose )
{
OE_NOTICE << LC << "Packaging elevation layer \"" << layerFolder << "\"" << std::endl;
}
std::string layerRoot = osgDB::concatPaths( rootFolder, layerFolder );
packager.package( layer, layerRoot );
}
else if ( verbose )
{
OE_NOTICE << LC << "Skipping disabled layer \"" << layer->getName() << "\"" << std::endl;
}
}
return 0;
}
int
purge( osg::ArgumentParser& args )
{
osg::ref_ptr<osg::Node> node = osgDB::readNodeFiles( args );
if ( !node.valid() )
return usage( "Failed to read .earth file." );
MapNode* mapNode = MapNode::findMapNode( node.get() );
if ( !mapNode )
return usage( "Input file was not a .earth file" );
Map* map = mapNode->getMap();
if ( !map->getCache() )
return message( "Earth file does not contain a cache." );
std::vector<Entry> entries;
ImageLayerVector imageLayers;
map->getLayers( imageLayers );
for( ImageLayerVector::const_iterator i = imageLayers.begin(); i != imageLayers.end(); ++i )
{
ImageLayer* layer = i->get();
bool useMFP =
layer->getProfile() &&
layer->getProfile()->getSRS()->isSphericalMercator() &&
mapNode->getMapNodeOptions().getTerrainOptions().enableMercatorFastPath() == true;
const Profile* cacheProfile = useMFP ? layer->getProfile() : map->getProfile();
CacheSettings* cacheSettings = layer->getCacheSettings();
if (cacheSettings)
{
CacheBin* bin = cacheSettings->getCacheBin();
if ( bin )
{
entries.push_back(Entry());
entries.back()._isImage = true;
entries.back()._name = i->get()->getName();
entries.back()._bin = bin;
}
}
}
ElevationLayerVector elevationLayers;
map->getLayers( elevationLayers );
for( ElevationLayerVector::const_iterator i = elevationLayers.begin(); i != elevationLayers.end(); ++i )
{
ElevationLayer* layer = i->get();
bool useMFP =
layer->getProfile() &&
layer->getProfile()->getSRS()->isSphericalMercator() &&
mapNode->getMapNodeOptions().getTerrainOptions().enableMercatorFastPath() == true;
const Profile* cacheProfile = useMFP ? layer->getProfile() : map->getProfile();
CacheSettings* cacheSettings = layer->getCacheSettings();
if (cacheSettings)
{
CacheBin* bin = cacheSettings->getCacheBin();
if (bin)
{
entries.push_back(Entry());
entries.back()._isImage = false;
entries.back()._name = i->get()->getName();
entries.back()._bin = bin;
}
}
}
if ( entries.size() > 0 )
{
std::cout << std::endl;
for( unsigned i=0; i<entries.size(); ++i )
{
std::cout << (i+1) << ") " << entries[i]._name << " (" << (entries[i]._isImage? "image" : "elevation" ) << ")" << std::endl;
}
std::cout
<< std::endl
<< "Enter number of cache to purge, or <enter> to quit: "
<< std::flush;
std::string input;
std::getline( std::cin, input );
if ( !input.empty() )
{
unsigned k = as<unsigned>(input, 0L);
if ( k > 0 && k <= entries.size() )
{
Config meta = entries[k-1]._bin->readMetadata();
if ( !meta.empty() )
{
std::cout
<< std::endl
<< "Cache METADATA:" << std::endl
<< meta.toJSON()
<< std::endl << std::endl;
}
std::cout
<< "Are you sure (y/N)? "
<< std::flush;
std::getline( std::cin, input );
if ( input == "y" || input == "Y" )
{
std::cout << "Purging.." << std::flush;
entries[k-1]._bin->clear();
}
else
{
std::cout << "No action taken." << std::endl;
}
}
else
{
std::cout << "Invalid choice." << std::endl;
}
}
else
{
std::cout << "No action taken." << std::endl;
}
}
return 0;
}
void
TerrainEngineNode::updateImageUniforms()
{
// don't bother if this is a hurting old card
if ( !Registry::instance()->getCapabilities().supportsGLSL() )
return;
// update the layer uniform arrays:
osg::StateSet* stateSet = this->getOrCreateStateSet();
// get a copy of the image layer stack:
MapFrame mapf( _map.get(), Map::IMAGE_LAYERS );
_imageLayerController->_layerEnabledUniform.detach();
_imageLayerController->_layerOpacityUniform.detach();
_imageLayerController->_layerRangeUniform.detach();
#if 0
if ( _imageLayerController->_layerEnabledUniform.valid() )
_imageLayerController->_layerEnabledUniform->removeFrom( stateSet );
if ( _imageLayerController->_layerOpacityUniform.valid() )
_imageLayerController->_layerOpacityUniform->removeFrom( stateSet );
if ( _imageLayerController->_layerRangeUniform.valid() )
_imageLayerController->_layerRangeUniform->removeFrom( stateSet );
#endif
//stateSet->removeUniform( "osgearth_ImageLayerAttenuation" );
if ( mapf.imageLayers().size() > 0 )
{
// the "enabled" uniform is fixed size. this is handy to account for layers that are in flux...i.e., their source
// layer count has changed, but the shader has not yet caught up. In the future we might use this to disable
// "ghost" layers that used to exist at a given index, but no longer do.
_imageLayerController->_layerEnabledUniform.attach( "osgearth_ImageLayerEnabled", osg::Uniform::BOOL, stateSet, 64 );
_imageLayerController->_layerOpacityUniform.attach( "osgearth_ImageLayerOpacity", osg::Uniform::FLOAT, stateSet, mapf.imageLayers().size() );
_imageLayerController->_layerRangeUniform.attach ( "osgearth_ImageLayerRange", osg::Uniform::FLOAT, stateSet, 2 * mapf.imageLayers().size() );
//_imageLayerController->_layerEnabledUniform = new ArrayUniform( osg::Uniform::BOOL, "osgearth_ImageLayerEnabled", 64 ); //mapf.imageLayers().size() );
//_imageLayerController->_layerOpacityUniform = new ArrayUniform( osg::Uniform::FLOAT, "osgearth_ImageLayerOpacity", mapf.imageLayers().size() );
//_imageLayerController->_layerRangeUniform = new ArrayUniform( osg::Uniform::FLOAT, "osgearth_ImageLayerRange", 2 * mapf.imageLayers().size() );
for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); ++i )
{
ImageLayer* layer = i->get();
int index = (int)(i - mapf.imageLayers().begin());
_imageLayerController->_layerOpacityUniform.setElement( index, layer->getOpacity() );
_imageLayerController->_layerEnabledUniform.setElement( index, layer->getEnabled() );
_imageLayerController->_layerRangeUniform.setElement( (2*index), layer->getImageLayerOptions().minVisibleRange().value() );
_imageLayerController->_layerRangeUniform.setElement( (2*index)+1, layer->getImageLayerOptions().maxVisibleRange().value() );
}
// set the remainder of the layers to disabled
for( int j=mapf.imageLayers().size(); j<64; ++j )
_imageLayerController->_layerEnabledUniform.setElement( j, false );
//_imageLayerController->_layerOpacityUniform->addTo( stateSet );
//_imageLayerController->_layerEnabledUniform->addTo( stateSet );
//_imageLayerController->_layerRangeUniform->addTo( stateSet );
}
}
void CacheSeed::seed( Map* map )
{
if ( !map->getCache() )
{
OE_WARN << LC << "Warning: No cache defined; aborting." << std::endl;
return;
}
std::vector<TileKey> keys;
map->getProfile()->getRootKeys(keys);
//Add the map's entire extent if we don't have one specified.
if (_extents.empty())
{
addExtent( map->getProfile()->getExtent() );
}
bool hasCaches = false;
int src_min_level = INT_MAX;
unsigned int src_max_level = 0;
MapFrame mapf( map, Map::TERRAIN_LAYERS, "CacheSeed::seed" );
//Assumes the the TileSource will perform the caching for us when we call createImage
for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); i++ )
{
ImageLayer* layer = i->get();
TileSource* src = layer->getTileSource();
const ImageLayerOptions& opt = layer->getImageLayerOptions();
if ( layer->isCacheOnly() )
{
OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" is set to cache-only; skipping." << std::endl;
}
else if ( !src )
{
OE_WARN << "Warning: Layer \"" << layer->getName() << "\" could not create TileSource; skipping." << std::endl;
}
else if ( src->getCachePolicyHint() == CachePolicy::NO_CACHE )
{
OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" does not support seeding; skipping." << std::endl;
}
else if ( !layer->getCache() )
{
OE_WARN << LC << "Notice: Layer \"" << layer->getName() << "\" has no cache defined; skipping." << std::endl;
}
else
{
hasCaches = true;
if (opt.minLevel().isSet() && (int)opt.minLevel().get() < src_min_level)
src_min_level = opt.minLevel().get();
if (opt.maxLevel().isSet() && opt.maxLevel().get() > src_max_level)
src_max_level = opt.maxLevel().get();
}
}
for( ElevationLayerVector::const_iterator i = mapf.elevationLayers().begin(); i != mapf.elevationLayers().end(); i++ )
{
ElevationLayer* layer = i->get();
TileSource* src = layer->getTileSource();
const ElevationLayerOptions& opt = layer->getElevationLayerOptions();
if ( layer->isCacheOnly() )
{
OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" is set to cache-only; skipping." << std::endl;
}
else if (!src)
{
OE_WARN << "Warning: Layer \"" << layer->getName() << "\" could not create TileSource; skipping." << std::endl;
}
else if ( src->getCachePolicyHint() == CachePolicy::NO_CACHE )
{
OE_WARN << LC << "Warning: Layer \"" << layer->getName() << "\" does not support seeding; skipping." << std::endl;
}
else if ( !layer->getCache() )
{
OE_WARN << LC << "Notice: Layer \"" << layer->getName() << "\" has no cache defined; skipping." << std::endl;
}
else
{
hasCaches = true;
if (opt.minLevel().isSet() && (int)opt.minLevel().get() < src_min_level)
src_min_level = opt.minLevel().get();
if (opt.maxLevel().isSet() && opt.maxLevel().get() > src_max_level)
src_max_level = opt.maxLevel().get();
}
}
if ( !hasCaches )
{
OE_WARN << LC << "There are either no caches defined in the map, or no sources to cache; aborting." << std::endl;
return;
}
if ( src_max_level > 0 && src_max_level < _maxLevel )
{
_maxLevel = src_max_level;
}
OE_NOTICE << LC << "Maximum cache level will be " << _maxLevel << std::endl;
osg::Timer_t startTime = osg::Timer::instance()->tick();
//Estimate the number of tiles
_total = 0;
for (unsigned int level = _minLevel; level <= _maxLevel; level++)
{
double coverageRatio = 0.0;
if (_extents.empty())
{
unsigned int wide, high;
map->getProfile()->getNumTiles( level, wide, high );
_total += (wide * high);
}
else
{
for (std::vector< GeoExtent >::const_iterator itr = _extents.begin(); itr != _extents.end(); itr++)
{
const GeoExtent& extent = *itr;
double boundsArea = extent.area();
TileKey ll = map->getProfile()->createTileKey(extent.xMin(), extent.yMin(), level);
TileKey ur = map->getProfile()->createTileKey(extent.xMax(), extent.yMax(), level);
int tilesWide = ur.getTileX() - ll.getTileX() + 1;
int tilesHigh = ll.getTileY() - ur.getTileY() + 1;
int tilesAtLevel = tilesWide * tilesHigh;
//OE_NOTICE << "Tiles at level " << level << "=" << tilesAtLevel << std::endl;
bool hasData = false;
for (ImageLayerVector::const_iterator itr = mapf.imageLayers().begin(); itr != mapf.imageLayers().end(); itr++)
{
TileSource* src = itr->get()->getTileSource();
if (src)
{
if (src->hasDataAtLOD( level ))
{
//Compute the percent coverage of this dataset on the current extent
if (src->getDataExtents().size() > 0)
{
double cov = 0.0;
for (unsigned int j = 0; j < src->getDataExtents().size(); j++)
{
GeoExtent b = src->getDataExtents()[j].transform( extent.getSRS());
GeoExtent intersection = b.intersectionSameSRS( extent );
if (intersection.isValid())
{
double coverage = intersection.area() / boundsArea;
cov += coverage; //Assumes the extents aren't overlapping
}
}
if (coverageRatio < cov) coverageRatio = cov;
}
else
{
//We have no way of knowing how much coverage we have
coverageRatio = 1.0;
}
hasData = true;
break;
}
}
}
for (ElevationLayerVector::const_iterator itr = mapf.elevationLayers().begin(); itr != mapf.elevationLayers().end(); itr++)
{
TileSource* src = itr->get()->getTileSource();
if (src)
{
if (src->hasDataAtLOD( level ))
{
//Compute the percent coverage of this dataset on the current extent
if (src->getDataExtents().size() > 0)
{
double cov = 0.0;
for (unsigned int j = 0; j < src->getDataExtents().size(); j++)
{
GeoExtent b = src->getDataExtents()[j].transform( extent.getSRS());
GeoExtent intersection = b.intersectionSameSRS( extent );
if (intersection.isValid())
{
double coverage = intersection.area() / boundsArea;
cov += coverage; //Assumes the extents aren't overlapping
}
}
if (coverageRatio < cov) coverageRatio = cov;
}
else
{
//We have no way of knowing how much coverage we have
coverageRatio = 1.0;
}
hasData = true;
break;
}
}
}
//Adjust the coverage ratio by a fudge factor to try to keep it from being too small,
//tiles are either processed or not and the ratio is exact so will cover tiles partially
//and potentially be too small
double adjust = 4.0;
coverageRatio = osg::clampBetween(coverageRatio * adjust, 0.0, 1.0);
//OE_NOTICE << level << " CoverageRatio = " << coverageRatio << std::endl;
if (hasData)
{
_total += (int)ceil(coverageRatio * (double)tilesAtLevel );
}
}
}
}
//Adjust the # of tiles again to be bigger than computed to avoid giving false hope
_total *= 2;
osg::Timer_t endTime = osg::Timer::instance()->tick();
//OE_NOTICE << "Counted tiles in " << osg::Timer::instance()->delta_s(startTime, endTime) << " s" << std::endl;
OE_INFO << "Processing ~" << _total << " tiles" << std::endl;
for (unsigned int i = 0; i < keys.size(); ++i)
{
processKey( mapf, keys[i] );
}
_total = _completed;
if ( _progress.valid()) _progress->reportProgress(_completed, _total, 0, 1, "Finished");
}
/** Packages an image layer as a TMS folder. */
int
makeTMS( osg::ArgumentParser& args )
{
osgDB::Registry::instance()->getReaderWriterForExtension("png");
osgDB::Registry::instance()->getReaderWriterForExtension("jpg");
osgDB::Registry::instance()->getReaderWriterForExtension("tiff");
//Read the min level
unsigned int minLevel = 0;
while (args.read("--min-level", minLevel));
//Read the max level
unsigned int maxLevel = 5;
while (args.read("--max-level", maxLevel));
std::vector< Bounds > bounds;
// restrict packaging to user-specified bounds.
double xmin=DBL_MAX, ymin=DBL_MAX, xmax=DBL_MIN, ymax=DBL_MIN;
while (args.read("--bounds", xmin, ymin, xmax, ymax ))
{
Bounds b;
b.xMin() = xmin, b.yMin() = ymin, b.xMax() = xmax, b.yMax() = ymax;
bounds.push_back( b );
}
std::string tileList;
while (args.read( "--tiles", tileList ) );
bool verbose = args.read("--verbose");
unsigned int batchSize = 0;
args.read("--batchsize", batchSize);
// Read the concurrency level
unsigned int concurrency = 0;
args.read("-c", concurrency);
args.read("--concurrency", concurrency);
bool applyAlphaMask = args.read("--alpha-mask");
bool writeXML = true;
// load up the map
osg::ref_ptr<MapNode> mapNode = MapNode::load( args );
if( !mapNode.valid() )
return usage( "Failed to load a valid .earth file" );
// Read in an index shapefile
std::string index;
while (args.read("--index", index))
{
//Open the feature source
OGRFeatureOptions featureOpt;
featureOpt.url() = index;
osg::ref_ptr< FeatureSource > features = FeatureSourceFactory::create( featureOpt );
features->initialize();
features->getFeatureProfile();
osg::ref_ptr< FeatureCursor > cursor = features->createFeatureCursor();
while (cursor.valid() && cursor->hasMore())
{
osg::ref_ptr< Feature > feature = cursor->nextFeature();
osgEarth::Bounds featureBounds = feature->getGeometry()->getBounds();
GeoExtent ext( feature->getSRS(), featureBounds );
ext = ext.transform( mapNode->getMapSRS() );
bounds.push_back( ext.bounds() );
}
}
// see if the user wants to override the type extension (imagery only)
std::string extension;
args.read( "--ext", extension );
// find a .earth file on the command line
std::string earthFile = findArgumentWithExtension( args, ".earth" );
// folder to which to write the TMS archive.
std::string rootFolder;
if( !args.read( "--out", rootFolder ) )
rootFolder = Stringify() << earthFile << ".tms_repo";
// whether to overwrite existing tile files
//TODO: Support
bool overwrite = false;
if( args.read( "--overwrite" ) )
overwrite = true;
// write out an earth file
std::string outEarth;
args.read( "--out-earth", outEarth );
std::string dbOptions;
args.read( "--db-options", dbOptions );
std::string::size_type n = 0;
while( (n = dbOptions.find( '"', n )) != dbOptions.npos )
{
dbOptions.erase( n, 1 );
}
osg::ref_ptr<osgDB::Options> options = new osgDB::Options( dbOptions );
// whether to keep 'empty' tiles
bool keepEmpties = args.read( "--keep-empties" );
//TODO: Single color
bool continueSingleColor = args.read( "--continue-single-color" );
// elevation pixel depth
unsigned elevationPixelDepth = 32;
args.read( "--elevation-pixel-depth", elevationPixelDepth );
// create a folder for the output
osgDB::makeDirectory( rootFolder );
if( !osgDB::fileExists( rootFolder ) )
return usage( "Failed to create root output folder" );
int imageLayerIndex = -1;
args.read("--image", imageLayerIndex);
int elevationLayerIndex = -1;
args.read("--elevation", elevationLayerIndex);
Map* map = mapNode->getMap();
osg::ref_ptr< TileVisitor > visitor;
// If we are given a task file, load it up and create a new TileKeyListVisitor
if (!tileList.empty())
{
TaskList tasks( mapNode->getMap()->getProfile() );
tasks.load( tileList );
TileKeyListVisitor* v = new TileKeyListVisitor();
v->setKeys( tasks.getKeys() );
visitor = v;
// This process is a lowly worker, and shouldn't write out the XML file.
writeXML = false;
}
// If we dont' have a visitor create one.
if (!visitor.valid())
{
if (args.read("--mt"))
{
// Create a multithreaded visitor
MultithreadedTileVisitor* v = new MultithreadedTileVisitor();
if (concurrency > 0)
{
v->setNumThreads(concurrency);
}
visitor = v;
}
else if (args.read("--mp"))
{
// Create a multiprocess visitor
MultiprocessTileVisitor* v = new MultiprocessTileVisitor();
if (concurrency > 0)
{
v->setNumProcesses(concurrency);
OE_NOTICE << "Set num processes " << concurrency << std::endl;
}
if (batchSize > 0)
{
v->setBatchSize(batchSize);
}
// Try to find the earth file
std::string earthFile;
for(int pos=1;pos<args.argc();++pos)
{
if (!args.isOption(pos))
{
earthFile = args[ pos ];
break;
}
}
v->setEarthFile( earthFile );
visitor = v;
}
else
{
// Create a single thread visitor
visitor = new TileVisitor();
}
}
osg::ref_ptr< ProgressCallback > progress = new ConsoleProgressCallback();
if (verbose)
{
visitor->setProgressCallback( progress );
}
visitor->setMinLevel( minLevel );
visitor->setMaxLevel( maxLevel );
for (unsigned int i = 0; i < bounds.size(); i++)
{
GeoExtent extent(mapNode->getMapSRS(), bounds[i]);
OE_DEBUG << "Adding extent " << extent.toString() << std::endl;
visitor->addExtent( extent );
}
// Setup a TMSPackager with all the options.
TMSPackager packager;
packager.setExtension(extension);
packager.setVisitor(visitor);
packager.setDestination(rootFolder);
packager.setElevationPixelDepth(elevationPixelDepth);
packager.setWriteOptions(options);
packager.setOverwrite(overwrite);
packager.setKeepEmpties(keepEmpties);
packager.setApplyAlphaMask(applyAlphaMask);
// new map for an output earth file if necessary.
osg::ref_ptr<Map> outMap = 0L;
if( !outEarth.empty() )
{
// copy the options from the source map first
outMap = new Map( map->getInitialMapOptions() );
}
std::string outEarthFile = osgDB::concatPaths( rootFolder, osgDB::getSimpleFileName( outEarth ) );
// Package an individual image layer
if (imageLayerIndex >= 0)
{
ImageLayer* layer = map->getImageLayerAt(imageLayerIndex);
if (layer)
{
packager.run(layer, map);
if (writeXML)
{
packager.writeXML(layer, map);
}
}
else
{
std::cout << "Failed to find an image layer at index " << imageLayerIndex << std::endl;
return 1;
}
}
// Package an individual elevation layer
else if (elevationLayerIndex >= 0)
{
ElevationLayer* layer = map->getElevationLayerAt(elevationLayerIndex);
if (layer)
{
packager.run(layer, map);
if (writeXML)
{
packager.writeXML(layer, map );
}
}
else
{
std::cout << "Failed to find an elevation layer at index " << elevationLayerIndex << std::endl;
return 1;
}
}
else
{
// Package all the ImageLayer's
for (unsigned int i = 0; i < map->getNumImageLayers(); i++)
{
ImageLayer* layer = map->getImageLayerAt(i);
OE_NOTICE << "Packaging " << layer->getName() << std::endl;
osg::Timer_t start = osg::Timer::instance()->tick();
packager.run(layer, map);
osg::Timer_t end = osg::Timer::instance()->tick();
if (verbose)
{
OE_NOTICE << "Completed seeding layer " << layer->getName() << " in " << prettyPrintTime( osg::Timer::instance()->delta_s( start, end ) ) << std::endl;
}
if (writeXML)
{
packager.writeXML(layer, map);
}
// save to the output map if requested:
if( outMap.valid() )
{
std::string layerFolder = toLegalFileName( packager.getLayerName() );
// new TMS driver info:
TMSOptions tms;
tms.url() = URI(
osgDB::concatPaths( layerFolder, "tms.xml" ),
outEarthFile );
ImageLayerOptions layerOptions( packager.getLayerName(), tms );
layerOptions.mergeConfig( layer->getInitialOptions().getConfig( true ) );
layerOptions.cachePolicy() = CachePolicy::NO_CACHE;
outMap->addImageLayer( new ImageLayer( layerOptions ) );
}
}
// Package all the ElevationLayer's
for (unsigned int i = 0; i < map->getNumElevationLayers(); i++)
{
ElevationLayer* layer = map->getElevationLayerAt(i);
OE_NOTICE << "Packaging " << layer->getName() << std::endl;
osg::Timer_t start = osg::Timer::instance()->tick();
packager.run(layer, map);
osg::Timer_t end = osg::Timer::instance()->tick();
if (verbose)
{
OE_NOTICE << "Completed seeding layer " << layer->getName() << " in " << prettyPrintTime( osg::Timer::instance()->delta_s( start, end ) ) << std::endl;
}
if (writeXML)
{
packager.writeXML(layer, map);
}
// save to the output map if requested:
if( outMap.valid() )
{
std::string layerFolder = toLegalFileName( packager.getLayerName() );
// new TMS driver info:
TMSOptions tms;
tms.url() = URI(
osgDB::concatPaths( layerFolder, "tms.xml" ),
outEarthFile );
ElevationLayerOptions layerOptions( packager.getLayerName(), tms );
layerOptions.mergeConfig( layer->getInitialOptions().getConfig( true ) );
layerOptions.cachePolicy() = CachePolicy::NO_CACHE;
outMap->addElevationLayer( new ElevationLayer( layerOptions ) );
}
}
}
// Write out an earth file if it was requested
// Finally, write an earth file if requested:
if( outMap.valid() )
{
MapNodeOptions outNodeOptions = mapNode->getMapNodeOptions();
osg::ref_ptr<MapNode> outMapNode = new MapNode( outMap.get(), outNodeOptions );
if( !osgDB::writeNodeFile( *outMapNode.get(), outEarthFile ) )
{
OE_WARN << LC << "Error writing earth file to \"" << outEarthFile << "\"" << std::endl;
}
else if( verbose )
{
OE_NOTICE << LC << "Wrote earth file to \"" << outEarthFile << "\"" << std::endl;
}
}
return 0;
}
osg::Image*
CompositeTileSource::createImage(const TileKey& key,
ProgressCallback* progress )
{
ImageMixVector images;
images.reserve(_imageLayers.size());
// Try to get an image from each of the layers for the given key.
for (ImageLayerVector::const_iterator itr = _imageLayers.begin(); itr != _imageLayers.end(); ++itr)
{
ImageLayer* layer = itr->get();
ImageInfo imageInfo;
imageInfo.dataInExtents = layer->getTileSource()->hasDataInExtent( key.getExtent() );
imageInfo.opacity = layer->getOpacity();
if (imageInfo.dataInExtents)
{
GeoImage image = layer->createImage(key, progress);
if (image.valid())
{
imageInfo.image = image.getImage();
}
}
images.push_back(imageInfo);
}
// Determine the output texture size to use based on the image that were creatd.
unsigned numValidImages = 0;
osg::Vec2s textureSize;
for (unsigned int i = 0; i < images.size(); i++)
{
ImageInfo& info = images[i];
if (info.image.valid())
{
if (numValidImages == 0)
{
textureSize.set( info.image->s(), info.image->t());
}
numValidImages++;
}
}
// Create fallback images if we have some valid data but not for all the layers
if (numValidImages > 0 && numValidImages < images.size())
{
for (unsigned int i = 0; i < images.size(); i++)
{
ImageInfo& info = images[i];
ImageLayer* layer = _imageLayers[i].get();
if (!info.image.valid() && info.dataInExtents)
{
TileKey parentKey = key.createParentKey();
GeoImage image;
while (!image.valid() && parentKey.valid())
{
image = layer->createImage(parentKey, progress);
if (image.valid())
{
break;
}
parentKey = parentKey.createParentKey();
}
if (image.valid())
{
// TODO: Bilinear options?
bool bilinear = layer->isCoverage() ? false : true;
GeoImage cropped = image.crop( key.getExtent(), true, textureSize.x(), textureSize.y(), bilinear);
info.image = cropped.getImage();
}
}
}
}
// Now finally create the output image.
//Recompute the number of valid images
numValidImages = 0;
for (unsigned int i = 0; i < images.size(); i++)
{
ImageInfo& info = images[i];
if (info.image.valid()) numValidImages++;
}
if ( progress && progress->isCanceled() )
{
return 0L;
}
else if ( numValidImages == 0 )
{
return 0L;
}
else if ( numValidImages == 1 )
{
//We only have one valid image, so just return it and don't bother with compositing
for (unsigned int i = 0; i < images.size(); i++)
{
ImageInfo& info = images[i];
if (info.image.valid())
return info.image.release();
}
return 0L;
}
else
{
osg::Image* result = 0;
for (unsigned int i = 0; i < images.size(); i++)
{
ImageInfo& imageInfo = images[i];
if (!result)
{
if (imageInfo.image.valid())
{
result = new osg::Image( *imageInfo.image.get());
}
}
else
{
if (imageInfo.image.valid())
{
ImageUtils::mix( result, imageInfo.image.get(), imageInfo.opacity );
}
}
}
return result;
}
}
osg::Node*
OSGTileFactory::createPopulatedTile(const MapFrame& mapf,
Terrain* terrain,
const TileKey& key,
bool wrapInPagedLOD,
bool fallback,
bool& validData )
{
const MapInfo& mapInfo = mapf.getMapInfo();
bool isPlateCarre = !mapInfo.isGeocentric() && mapInfo.isGeographicSRS();
typedef std::vector<GeoImageData> GeoImageDataVector;
GeoImageDataVector image_tiles;
// Collect the image layers
bool empty_map = mapf.imageLayers().size() == 0 && mapf.elevationLayers().size() == 0;
// Create the images for the tile
for( ImageLayerVector::const_iterator i = mapf.imageLayers().begin(); i != mapf.imageLayers().end(); ++i )
{
ImageLayer* layer = i->get();
GeoImageData imageData;
// Only try to create images if the key is valid
if ( layer->isKeyValid( key ) )
{
imageData._image = layer->createImage( key );
imageData._layerUID = layer->getUID();
imageData._imageTileKey = key;
}
// always push images, even it they are empty, so that the image_tiles vector is one-to-one
// with the imageLayers() vector.
image_tiles.push_back( imageData );
}
bool hasElevation = false;
//Create the heightfield for the tile
osg::ref_ptr<osg::HeightField> hf;
if ( mapf.elevationLayers().size() > 0 )
{
mapf.getHeightField( key, false, hf, 0L, _terrainOptions.elevationInterpolation().value());
}
//If we are on the first LOD and we couldn't get a heightfield tile, just create an empty one. Otherwise you can run into the situation
//where you could have an inset heightfield on one hemisphere and the whole other hemisphere won't show up.
if ( mapInfo.isGeocentric() && key.getLevelOfDetail() <= 1 && !hf.valid())
{
hf = createEmptyHeightField( key );
}
hasElevation = hf.valid();
//Determine if we've created any images
unsigned int numValidImages = 0;
for (unsigned int i = 0; i < image_tiles.size(); ++i)
{
if (image_tiles[i]._image.valid()) numValidImages++;
}
//If we couldn't create any imagery or heightfields, bail out
if (!hf.valid() && (numValidImages == 0) && !empty_map)
{
OE_DEBUG << LC << "Could not create any imagery or heightfields for " << key.str() <<". Not building tile" << std::endl;
validData = false;
//If we're not asked to fallback on previous LOD's and we have no data, return NULL
if (!fallback)
{
return NULL;
}
}
else
{
validData = true;
}
//Try to interpolate any missing image layers from parent tiles
for (unsigned int i = 0; i < mapf.imageLayers().size(); i++ )
{
if (!image_tiles[i]._image.valid())
{
if (mapf.getImageLayerAt(i)->isKeyValid(key))
{
//If the key was valid and we have no image, then something possibly went wrong with the image creation such as a server being busy.
createValidGeoImage(mapf.getImageLayerAt(i), key, image_tiles[i]._image, image_tiles[i]._imageTileKey);
}
//If we still couldn't create an image, either something is really wrong or the key wasn't valid, so just create a transparent placeholder image
if (!image_tiles[i]._image.valid())
{
//If the image is not valid, create an empty texture as a placeholder
image_tiles[i]._image = GeoImage(ImageUtils::createEmptyImage(), key.getExtent());
image_tiles[i]._imageTileKey = key;
}
}
}
//Fill in missing heightfield information from parent tiles
if (!hf.valid())
{
//We have no heightfield sources,
if ( mapf.elevationLayers().size() == 0 )
{
hf = createEmptyHeightField( key );
}
else
{
//Try to get a heightfield again, but this time fallback on parent tiles
if ( mapf.getHeightField( key, true, hf, 0L, _terrainOptions.elevationInterpolation().value() ) )
{
hasElevation = true;
}
else
{
//We couldn't get any heightfield, so just create an empty one.
hf = createEmptyHeightField( key );
}
}
}
// In a Plate Carre tesselation, scale the heightfield elevations from meters to degrees
if ( isPlateCarre )
{
HeightFieldUtils::scaleHeightFieldToDegrees( hf.get() );
}
osg::ref_ptr<GeoLocator> locator = GeoLocator::createForKey( key, mapInfo );
osgTerrain::HeightFieldLayer* hf_layer = new osgTerrain::HeightFieldLayer();
hf_layer->setLocator( locator.get() );
hf_layer->setHeightField( hf.get() );
bool isStreaming =
_terrainOptions.loadingPolicy()->mode() == LoadingPolicy::MODE_SEQUENTIAL ||
_terrainOptions.loadingPolicy()->mode() == LoadingPolicy::MODE_PREEMPTIVE;
Tile* tile = terrain->createTile( key, locator.get() );
tile->setTerrainTechnique( terrain->cloneTechnique() );
tile->setVerticalScale( _terrainOptions.verticalScale().value() );
//tile->setLocator( locator.get() );
tile->setElevationLayer( hf_layer );
//tile->setRequiresNormals( true );
tile->setDataVariance(osg::Object::DYNAMIC);
#if 0
//Attach an updatecallback to normalize the edges of TerrainTiles.
if (hasElevation && _terrainOptions.normalizeEdges().get() )
{
tile->setUpdateCallback(new TerrainTileEdgeNormalizerUpdateCallback());
tile->setDataVariance(osg::Object::DYNAMIC);
}
#endif
//Assign the terrain system to the TerrainTile.
//It is very important the terrain system is set while the MapConfig's sourceMutex is locked.
//This registers the terrain tile so that adding/removing layers are always in sync. If you don't do this
//you can end up with a situation where the database pager is waiting to merge a tile, then a layer is added, then
//the tile is finally merged and is out of sync.
double min_units_per_pixel = DBL_MAX;
#if 0
// create contour layer:
if (map->getContourTransferFunction() != NULL)
{
osgTerrain::ContourLayer* contourLayer(new osgTerrain::ContourLayer(map->getContourTransferFunction()));
contourLayer->setMagFilter(_terrainOptions.getContourMagFilter().value());
contourLayer->setMinFilter(_terrainOptions.getContourMinFilter().value());
tile->setCustomColorLayer(layer,contourLayer); //TODO: need layerUID, not layer index here -GW
++layer;
}
#endif
for (unsigned int i = 0; i < image_tiles.size(); ++i)
{
if (image_tiles[i]._image.valid())
{
const GeoImage& geo_image = image_tiles[i]._image;
double img_xmin, img_ymin, img_xmax, img_ymax;
geo_image.getExtent().getBounds( img_xmin, img_ymin, img_xmax, img_ymax );
//Specify a new locator for the color with the coordinates of the TileKey that was actually used to create the image
osg::ref_ptr<GeoLocator> img_locator = key.getProfile()->getSRS()->createLocator(
img_xmin, img_ymin, img_xmax, img_ymax,
isPlateCarre );
if ( mapInfo.isGeocentric() )
img_locator->setCoordinateSystemType( osgTerrain::Locator::GEOCENTRIC );
tile->setCustomColorLayer( CustomColorLayer(
mapf.getImageLayerAt(i),
geo_image.getImage(),
img_locator.get(),
key.getLevelOfDetail(),
key) );
double upp = geo_image.getUnitsPerPixel();
// Scale the units per pixel to degrees if the image is mercator (and the key is geo)
if ( geo_image.getSRS()->isMercator() && key.getExtent().getSRS()->isGeographic() )
upp *= 1.0f/111319.0f;
min_units_per_pixel = osg::minimum(upp, min_units_per_pixel);
}
}
osg::BoundingSphere bs = tile->getBound();
double max_range = 1e10;
double radius = bs.radius();
#if 1
double min_range = radius * _terrainOptions.minTileRangeFactor().get();
//osg::LOD::RangeMode mode = osg::LOD::DISTANCE_FROM_EYE_POINT;
#else
double width = key.getExtent().width();
if (min_units_per_pixel == DBL_MAX) min_units_per_pixel = width/256.0;
double min_range = (width / min_units_per_pixel) * _terrainOptions.getMinTileRangeFactor();
//osg::LOD::RangeMode mode = osg::LOD::PIXEL_SIZE_ON_SCREEN;
#endif
// a skirt hides cracks when transitioning between LODs:
hf->setSkirtHeight(radius * _terrainOptions.heightFieldSkirtRatio().get() );
// for now, cluster culling does not work for CUBE rendering
//bool isCube = mapInfo.isCube(); //map->getMapOptions().coordSysType() == MapOptions::CSTYPE_GEOCENTRIC_CUBE;
if ( mapInfo.isGeocentric() && !mapInfo.isCube() )
{
//TODO: Work on cluster culling computation for cube faces
osg::ClusterCullingCallback* ccc = createClusterCullingCallback(tile, locator->getEllipsoidModel() );
tile->setCullCallback( ccc );
}
// Wait until now, when the tile is fully baked, to assign the terrain to the tile.
// Placeholder tiles might try to locate this tile as an ancestor, and access its layers
// and locators...so they must be intact before making this tile available via setTerrain.
//
// If there's already a placeholder tile registered, this will be ignored. If there isn't,
// this will register the new tile.
tile->attachToTerrain( terrain );
//tile->setTerrain( terrain );
//terrain->registerTile( tile );
if ( isStreaming && key.getLevelOfDetail() > 0 )
{
static_cast<StreamingTile*>(tile)->setHasElevationHint( hasElevation );
}
osg::Node* result = 0L;
if (wrapInPagedLOD)
{
// create a PLOD so we can keep subdividing:
osg::PagedLOD* plod = new osg::PagedLOD();
plod->setCenter( bs.center() );
plod->addChild( tile, min_range, max_range );
std::string filename = createURI( _engineId, key ); //map->getId(), key );
//Only add the next tile if it hasn't been blacklisted
bool isBlacklisted = osgEarth::Registry::instance()->isBlacklisted( filename );
if (!isBlacklisted && key.getLevelOfDetail() < (unsigned int)getTerrainOptions().maxLOD().value() && validData )
{
plod->setFileName( 1, filename );
plod->setRange( 1, 0.0, min_range );
}
else
{
plod->setRange( 0, 0, FLT_MAX );
}
#if USE_FILELOCATIONCALLBACK
osgDB::Options* options = new osgDB::Options;
options->setFileLocationCallback( new FileLocationCallback() );
plod->setDatabaseOptions( options );
#endif
result = plod;
if ( isStreaming )
result->addCullCallback( new PopulateStreamingTileDataCallback( _cull_thread_mapf ) );
}
else
{
result = tile;
}
return result;
}
void
RexTerrainEngineNode::addTileLayer(Layer* tileLayer)
{
if ( tileLayer && tileLayer->getEnabled() )
{
// Install the image layer stateset on this layer.
// Later we will refactor this into an ImageLayerRenderer or something similar.
//osg::StateSet* stateSet = tileLayer->getOrCreateStateSet();
//stateSet->merge(*getSurfaceStateSet());
ImageLayer* imageLayer = dynamic_cast<ImageLayer*>(tileLayer);
if (imageLayer)
{
// for a shared layer, allocate a shared image unit if necessary.
if ( imageLayer->isShared() )
{
optional<int>& unit = imageLayer->shareImageUnit();
if ( !unit.isSet() )
{
int temp;
if ( getResources()->reserveTextureImageUnit(temp) )
{
imageLayer->shareImageUnit() = temp;
OE_INFO << LC << "Image unit " << temp << " assigned to shared layer " << imageLayer->getName() << std::endl;
}
else
{
OE_WARN << LC << "Insufficient GPU image units to share layer " << imageLayer->getName() << std::endl;
}
}
// Build a sampler binding for the shared layer.
if ( unit.isSet() )
{
// Find the next empty SHARED slot:
unsigned newIndex = SamplerBinding::SHARED;
while (_renderBindings[newIndex].isActive())
++newIndex;
// Put the new binding there:
SamplerBinding& newBinding = _renderBindings[newIndex];
newBinding.usage() = SamplerBinding::SHARED;
newBinding.sourceUID() = imageLayer->getUID();
newBinding.unit() = unit.get();
newBinding.samplerName() = imageLayer->shareTexUniformName().get();
newBinding.matrixName() = imageLayer->shareTexMatUniformName().get();
OE_INFO << LC
<< " .. Sampler=\"" << newBinding.samplerName() << "\", "
<< "Matrix=\"" << newBinding.matrixName() << ", "
<< "unit=" << newBinding.unit() << "\n";
}
}
}
else
{
// non-image tile layer. Keep track of these..
}
refresh();
}
}
/** Packages an image layer as a TMS folder. */
int
makeTMS( osg::ArgumentParser& args )
{
// see if the user wants to override the type extension (imagery only)
std::string extension;
args.read( "--ext", extension );
// verbosity?
bool verbose = !args.read( "--quiet" );
// find a .earth file on the command line
std::string earthFile = findArgumentWithExtension(args, ".earth");
/* if ( earthFile.empty() )
return usage( "Missing required .earth file" );
*/
// folder to which to write the TMS archive.
std::string rootFolder;
if ( !args.read( "--out", rootFolder ) )
rootFolder = Stringify() << earthFile << ".tms_repo";
// whether to overwrite existing tile files
bool overwrite = false;
if ( args.read("--overwrite") )
overwrite = true;
// write out an earth file
std::string outEarth;
args.read("--out-earth", outEarth);
std::string dbOptions;
args.read("--db-options", dbOptions);
std::string::size_type n = 0;
while ((n=dbOptions.find('"', n))!=dbOptions.npos)
{
dbOptions.erase(n,1);
}
osg::ref_ptr<osgDB::Options> options = new osgDB::Options(dbOptions);
std::vector< Bounds > bounds;
// restrict packaging to user-specified bounds.
double xmin=DBL_MAX, ymin=DBL_MAX, xmax=DBL_MIN, ymax=DBL_MIN;
while (args.read("--bounds", xmin, ymin, xmax, ymax ))
{
Bounds b;
b.xMin() = xmin, b.yMin() = ymin, b.xMax() = xmax, b.yMax() = ymax;
bounds.push_back( b );
}
// max level to which to generate
unsigned maxLevel = ~0;
args.read( "--max-level", maxLevel );
// whether to keep 'empty' tiles
bool keepEmpties = args.read("--keep-empties");
bool continueSingleColor = args.read("--continue-single-color");
// load up the map
osg::ref_ptr<MapNode> mapNode = MapNode::load( args );
if ( !mapNode.valid() )
return usage( "Failed to load a valid .earth file" );
// create a folder for the output
osgDB::makeDirectory(rootFolder);
if ( !osgDB::fileExists(rootFolder) )
return usage("Failed to create root output folder" );
Map* map = mapNode->getMap();
// fire up a packager:
TMSPackager packager( map->getProfile(), options);
packager.setVerbose( verbose );
packager.setOverwrite( overwrite );
packager.setKeepEmptyImageTiles( keepEmpties );
packager.setSubdivideSingleColorImageTiles( continueSingleColor );
if ( maxLevel != ~0 )
packager.setMaxLevel( maxLevel );
if (bounds.size() > 0)
{
for (unsigned int i = 0; i < bounds.size(); ++i)
{
Bounds b = bounds[i];
if ( b.isValid() )
packager.addExtent( GeoExtent(map->getProfile()->getSRS(), b) );
}
}
// new map for an output earth file if necessary.
osg::ref_ptr<Map> outMap = 0L;
if ( !outEarth.empty() )
{
// copy the options from the source map first
outMap = new Map(map->getInitialMapOptions());
}
// establish the output path of the earth file, if applicable:
std::string outEarthFile = osgDB::concatPaths(rootFolder, osgDB::getSimpleFileName(outEarth));
// package any image layers that are enabled:
ImageLayerVector imageLayers;
map->getImageLayers( imageLayers );
unsigned counter = 0;
for( ImageLayerVector::iterator i = imageLayers.begin(); i != imageLayers.end(); ++i, ++counter )
{
ImageLayer* layer = i->get();
if ( layer->getImageLayerOptions().enabled() == true )
{
std::string layerFolder = toLegalFileName( layer->getName() );
if ( layerFolder.empty() )
layerFolder = Stringify() << "image_layer_" << counter;
if ( verbose )
{
OE_NOTICE << LC << "Packaging image layer \"" << layerFolder << "\"" << std::endl;
}
osg::ref_ptr< ConsoleProgressCallback > progress = new ConsoleProgressCallback();
std::string layerRoot = osgDB::concatPaths( rootFolder, layerFolder );
TMSPackager::Result r = packager.package( layer, layerRoot, progress, extension );
if ( r.ok )
{
// save to the output map if requested:
if ( outMap.valid() )
{
// new TMS driver info:
TMSOptions tms;
tms.url() = URI(
osgDB::concatPaths(layerFolder, "tms.xml"),
outEarthFile );
ImageLayerOptions layerOptions( layer->getName(), tms );
layerOptions.mergeConfig( layer->getInitialOptions().getConfig(true) );
layerOptions.cachePolicy() = CachePolicy::NO_CACHE;
outMap->addImageLayer( new ImageLayer(layerOptions) );
}
}
else
{
OE_WARN << LC << r.message << std::endl;
}
}
else if ( verbose )
{
OE_NOTICE << LC << "Skipping disabled layer \"" << layer->getName() << "\"" << std::endl;
}
}
// package any elevation layers that are enabled:
counter = 0;
ElevationLayerVector elevationLayers;
map->getElevationLayers( elevationLayers );
for( ElevationLayerVector::iterator i = elevationLayers.begin(); i != elevationLayers.end(); ++i, ++counter )
{
ElevationLayer* layer = i->get();
if ( layer->getElevationLayerOptions().enabled() == true )
{
std::string layerFolder = toLegalFileName( layer->getName() );
if ( layerFolder.empty() )
layerFolder = Stringify() << "elevation_layer_" << counter;
if ( verbose )
{
OE_NOTICE << LC << "Packaging elevation layer \"" << layerFolder << "\"" << std::endl;
}
std::string layerRoot = osgDB::concatPaths( rootFolder, layerFolder );
TMSPackager::Result r = packager.package( layer, layerRoot );
if ( r.ok )
{
// save to the output map if requested:
if ( outMap.valid() )
{
// new TMS driver info:
TMSOptions tms;
tms.url() = URI(
osgDB::concatPaths(layerFolder, "tms.xml"),
outEarthFile );
ElevationLayerOptions layerOptions( layer->getName(), tms );
layerOptions.mergeConfig( layer->getInitialOptions().getConfig(true) );
layerOptions.cachePolicy() = CachePolicy::NO_CACHE;
outMap->addElevationLayer( new ElevationLayer(layerOptions) );
}
}
else
{
OE_WARN << LC << r.message << std::endl;
}
}
else if ( verbose )
{
OE_NOTICE << LC << "Skipping disabled layer \"" << layer->getName() << "\"" << std::endl;
}
}
// Finally, write an earth file if requested:
if ( outMap.valid() )
{
MapNodeOptions outNodeOptions = mapNode->getMapNodeOptions();
osg::ref_ptr<MapNode> outMapNode = new MapNode(outMap.get(), outNodeOptions);
if ( !osgDB::writeNodeFile(*outMapNode.get(), outEarthFile) )
{
OE_WARN << LC << "Error writing earth file to \"" << outEarthFile << "\"" << std::endl;
}
else if ( verbose )
{
OE_NOTICE << LC << "Wrote earth file to \"" << outEarthFile << "\"" << std::endl;
}
}
return 0;
}
void
TileModelFactory::createTileModel(const TileKey& key,
const MapFrame& frame,
osg::ref_ptr<TileModel>& out_model) //,
//bool& out_hasRealData)
{
osg::ref_ptr<TileModel> model = new TileModel( frame.getRevision(), frame.getMapInfo() );
model->_tileKey = key;
model->_tileLocator = GeoLocator::createForKey(key, frame.getMapInfo());
// Fetch the image data and make color layers.
unsigned order = 0;
for( ImageLayerVector::const_iterator i = frame.imageLayers().begin(); i != frame.imageLayers().end(); ++i )
{
ImageLayer* layer = i->get();
if ( layer->getEnabled() )
{
BuildColorData build;
build.init( key, layer, order, frame.getMapInfo(), _terrainOptions, model.get() );
bool addedToModel = build.execute();
if ( addedToModel )
{
// only bump the order if we added something to the data model.
order++;
}
}
}
// make an elevation layer.
BuildElevationData build;
build.init( key, frame, _terrainOptions, model.get(), _hfCache );
build.execute();
// Bail out now if there's no data to be had.
if ( model->_colorData.size() == 0 && !model->_elevationData.getHeightField() )
{
return;
}
// OK we are making a tile, so if there's no heightfield yet, make an empty one (and mark it
// as fallback data of course)
if ( !model->_elevationData.getHeightField() )
{
osg::HeightField* hf = HeightFieldUtils::createReferenceHeightField( key.getExtent(), 15, 15 );
model->_elevationData = TileModel::ElevationData(
hf,
GeoLocator::createForKey(key, frame.getMapInfo()),
true );
}
// look up the parent model and cache it.
osg::ref_ptr<TileNode> parentTile;
if ( _liveTiles->get(key.createParentKey(), parentTile) )
model->_parentModel = parentTile->getTileModel();
out_model = model.release();
}
int
main(int argc, char** argv)
{
osg::ArgumentParser arguments(&argc,argv);
// Which filter?
bool useHSL = arguments.read("--hsl");
bool useRGB = arguments.read("--rgb");
bool useCMYK = arguments.read("--cmyk");
bool useBC = arguments.read("--bc");
bool useGamma = arguments.read("--gamma");
bool useChromaKey = arguments.read("--chromakey");
if ( !useHSL && !useRGB && !useCMYK && !useBC && !useGamma && !useChromaKey )
{
return usage( "Please select one of the filter options!" );
}
osgViewer::Viewer viewer(arguments);
viewer.setCameraManipulator( new EarthManipulator() );
// load an earth file
osg::Node* node = MapNodeHelper().load(arguments, &viewer);
if ( !node )
return usage( "Unable to load map from earth file!" );
viewer.setSceneData( node );
//Create the control panel
Container* box = createControlPanel(&viewer);
osgEarth::MapNode* mapNode = osgEarth::MapNode::findMapNode( node );
if ( node )
{
if (mapNode->getMap()->getNumImageLayers() == 0)
{
return usage("Please provide a map with at least one image layer.");
}
// attach color filter to each layer.
unsigned numLayers = mapNode->getMap()->getNumImageLayers();
for( unsigned i=0; i<numLayers; ++i )
{
ImageLayer* layer = mapNode->getMap()->getImageLayerAt( i );
if ( layer->getEnabled() && layer->getVisible() )
{
if ( useHSL )
{
HSLColorFilter* filter = new HSLColorFilter();
layer->addColorFilter( filter );
HSL::addControls( filter, box, i );
}
else if ( useRGB )
{
RGBColorFilter* filter = new RGBColorFilter();
layer->addColorFilter( filter );
RGB::addControls( filter, box, i );
}
else if ( useCMYK )
{
CMYKColorFilter* filter = new CMYKColorFilter();
layer->addColorFilter( filter );
CMYK::addControls( filter, box, i );
}
else if ( useBC )
{
BrightnessContrastColorFilter* filter = new BrightnessContrastColorFilter();
layer->addColorFilter( filter );
BC::addControls( filter, box, i );
}
else if ( useGamma )
{
GammaColorFilter* filter = new GammaColorFilter();
layer->addColorFilter( filter );
GAMMA::addControls( filter, box, i );
}
else if ( useChromaKey )
{
ChromaKeyColorFilter* filter = new ChromaKeyColorFilter();
layer->addColorFilter( filter );
CHROMAKEY::addControls( filter, box , i );
}
}
}
}
return viewer.run();
}
