/usr/include/osgEarth/SparseTexture2DArray is in libosgearth-dev 2.5.0+dfsg-2+b2.
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 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2008-2013 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* 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_SPARSE_TEXTURE_2D_ARRAY_H
#define OSGEARTH_SPARSE_TEXTURE_2D_ARRAY_H 1
#include <osgEarth/Common>
// this class is only supported in newer OSG versions.
#if OSG_VERSION_GREATER_OR_EQUAL( 2, 9, 8 )
#include <osg/Texture2DArray>
namespace osgEarth
{
/**
* Specialized version of osg::Texture2DArray that allows NULL image layers.
* This is an internal class - no export macro.
*/
class SparseTexture2DArray : public osg::Texture2DArray
{
public:
SparseTexture2DArray() : osg::Texture2DArray() { }
SparseTexture2DArray( const SparseTexture2DArray& rhs, const osg::CopyOp& copyop =osg::CopyOp::DEEP_COPY_ALL )
: osg::Texture2DArray( rhs, copyop ) { }
META_StateAttribute( osgEarth, SparseTexture2DArray, TEXTURE );
/** dtor */
virtual ~SparseTexture2DArray() { }
public:
virtual void computeInternalFormat() const;
virtual void apply( osg::State& state ) const;
protected:
#if OSG_VERSION_LESS_THAN(2,9,7)
bool isSafeToUnrefImageData(const osg::State& state) const {
return (_unrefImageDataAfterApply && areAllTextureObjectsLoaded());
}
#elif OSG_VERSION_LESS_THAN(2,9,10)
bool isSafeToUnrefImageData(const osg::State& state) const {
return (_unrefImageDataAfterApply && state.getMaxTexturePoolSize()==0 && areAllTextureObjectsLoaded());
}
#endif
private:
int firstValidImageIndex() const;
osg::Image* firstValidImage() const;
// replaces the same func in the superclass
void applyTexImage2DArray_subload( osg::State& state, osg::Image* image, GLsizei inwidth, GLsizei inheight, GLsizei indepth, GLint inInternalFormat, GLsizei& numMipmapLevels) const;
};
}
#endif // OSG_VERSION_GREATER_OR_EQUAL( 2, 9, 8 )
#endif // OSGEARTH_TILE_FACTORY_H
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