/usr/include/osgEarthDrivers/engine_mp/QuickReleaseGLObjects is in libosgearth-dev 2.7.0+dfsg-2+b3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2015 Pelican Mapping
* http://osgearth.org
*
* osgEarth is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef OSGEARTH_DRIVERS_MP_TERRAIN_ENGINE_QUICK_RELEASE_GL_OBJECTS
#define OSGEARTH_DRIVERS_MP_TERRAIN_ENGINE_QUICK_RELEASE_GL_OBJECTS 1
#include "Common"
#include "TileNodeRegistry"
#include <osg/Camera>
namespace osgEarth { namespace Drivers { namespace MPTerrainEngine
{
/**
* A draw callback to calls another, nested draw callback.
*/
struct NestingDrawCallback : public osg::Camera::DrawCallback
{
NestingDrawCallback( osg::Camera::DrawCallback* next ) : _next(next) { }
virtual void operator()( osg::RenderInfo& renderInfo ) const
{
dispatch( renderInfo );
}
void dispatch( osg::RenderInfo& renderInfo ) const
{
if ( _next )
_next->operator ()( renderInfo );
}
osg::ref_ptr<osg::Camera::DrawCallback> _next;
};
// a simple draw callback, to be installed on a Camera, that immediately releases the
// GL memory associated with a dead tile (instead of wating for OSG to do it in the
// future).
struct QuickReleaseGLObjects : public NestingDrawCallback
{
struct ReleaseOperation : public TileNodeRegistry::Operation
{
osg::State* _state;
ReleaseOperation( osg::State* state ) : _state(state) { }
void operator()( TileNodeRegistry::TileNodeMap& tiles )
{
unsigned size = tiles.size();
for( TileNodeRegistry::TileNodeMap::iterator i = tiles.begin(); i != tiles.end(); ++i )
{
i->second.get()->releaseGLObjects( _state );
}
tiles.clear();
OE_DEBUG << "Quick-released " << size << " tiles" << std::endl;
}
};
QuickReleaseGLObjects( TileNodeRegistry* tiles, osg::Camera::DrawCallback* nextCB)
: NestingDrawCallback( nextCB ), _tilesToRelease(tiles) { }
// from DrawCallback
void operator()( osg::RenderInfo& renderInfo ) const
{
dispatch( renderInfo );
if ( !_tilesToRelease->empty() )
{
ReleaseOperation op(renderInfo.getState());
_tilesToRelease->run( op );
}
}
osg::ref_ptr<TileNodeRegistry> _tilesToRelease;
};
} } } // namespace
#endif // OSGEARTH_DRIVERS_MP_TERRAIN_ENGINE_QUICK_RELEASE_GL_OBJECTS
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