void ProjectCubemapToGeometryPass::replace_display_surface_geometry( DisplaySurfaceGeometry* geometry_parameters ) {
freemoovr_assert( geometry_parameters!=NULL );
// Tear down usage of previous display surface geometry.
if (_state_set.valid()) {
if (_observerPositionUniform != NULL) {
_state_set->removeUniform(_observerPositionUniform);
}
}
if (_private_geometry.valid()) {
_camera->removeChild( _private_geometry.get() );
}
if (_inner_geode.valid()) {
_public_geometry->removeChild(_inner_geode.get());
}
// Use new display surface geometry.
_geometry_parameters = geometry_parameters;
_private_geometry = create_textured_geometry();
_camera->addChild( _private_geometry.get() );
_state_set = _private_geometry->getOrCreateStateSet();
_state_set->addUniform(_observerPositionUniform);
_program = set_shader( _state_set,
"ProjectCubemapToGeometryPass.vert",
"ProjectCubemapToGeometryPass.frag");
_inner_geode = _create_textured_geometry_inner_geode();
_public_geometry->addChild(_inner_geode.get());
}
ProjectCubemapToGeometryPass::ProjectCubemapToGeometryPass(std::string flyvr_basepath,
osg::TextureCubeMap* texture,
osg::Uniform::Callback* observer_position_cb,
DisplaySurfaceGeometry* geometry_parameters,
unsigned int tex_width,
unsigned int tex_height) :
_geometry_parameters( geometry_parameters), _tex_width(tex_width), _tex_height(tex_height), _observer_position_callback(observer_position_cb)
{
flyvr_assert( texture!=NULL );
flyvr_assert( geometry_parameters!=NULL );
set_flyvr_base_path(flyvr_basepath);
set_plugin_path(flyvr_basepath,false);
_top = new osg::Group;
_top->addDescription("ProjectCubemapToGeometryPass top node");
_in_texture_cubemap = texture;
create_output_texture();
_camera = new osg::Camera;
setup_camera();
_geometry = create_textured_geometry();
_camera->addChild( _geometry.get() );
_top->addChild( _camera );
set_shader( "ProjectCubemapToGeometryPass.vert",
"ProjectCubemapToGeometryPass.frag");
}
ProjectCubemapToGeometryPass::ProjectCubemapToGeometryPass(std::string freemoovr_basepath,
osg::TextureCubeMap* texture,
osg::Uniform::Callback* observer_position_cb,
DisplaySurfaceGeometry* geometry_parameters,
unsigned int tex_width,
unsigned int tex_height) :
_geometry_parameters( geometry_parameters), _tex_width(tex_width), _tex_height(tex_height), _observer_position_callback(observer_position_cb)
{
freemoovr_assert( texture!=NULL );
freemoovr_assert( geometry_parameters!=NULL );
set_freemoovr_base_path(freemoovr_basepath);
_top = new osg::Group;
_top->addDescription("ProjectCubemapToGeometryPass top node");
_in_texture_cubemap = texture;
_observerPositionUniform = new osg::Uniform( "ObserverPosition",
osg::Vec3(0.22f, 0.22f, 0.9f) );
if (_observer_position_callback!=NULL) {
_observerPositionUniform->setUpdateCallback(_observer_position_callback);
}
create_output_texture();
_camera = new osg::Camera;
setup_camera();
_private_geometry = create_textured_geometry();
_camera->addChild( _private_geometry.get() );
_top->addChild( _camera );
_state_set = _private_geometry->getOrCreateStateSet();
_state_set->addUniform(_observerPositionUniform);
_program = set_shader( _state_set,
"ProjectCubemapToGeometryPass.vert",
"ProjectCubemapToGeometryPass.frag");
_public_geometry = new osg::Group;
_public_geometry->addDescription("ProjectCubemapToGeometryPass output textured geometry top node");
_inner_geode = _create_textured_geometry_inner_geode();
_public_geometry->addChild(_inner_geode.get());
}
