/usr/include/osgEarthFeatures/GPULines is in libosgearth-dev 2.9.0+dfsg-1.
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 95 96 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2016 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 OSGEARTHFEATURES_GPU_LINES_H
#define OSGEARTHFEATURES_GPU_LINES_H 1
#include <osgEarthFeatures/Common>
#include <osgEarthFeatures/Filter>
#include <osgEarthSymbology/Style>
#include <osg/Array>
#include <osg/Geometry>
namespace osgEarth { namespace Features
{
using namespace osgEarth::Symbology;
/**
* Static application-wide settings for GPU Line Generation
* You can set these in your app if you don't like the defaults.
*/
class OSGEARTHFEATURES_EXPORT GPULines
{
public:
//! Binding location for "previous" vertex attribute
static int PreviousVertexAttrLocation;
//! Binding location for "next" vertex attribute
static int NextVertexAttrLocation;
//! Binding location for "width" attribute
static int WidthAttrLocation;
private:
GPULines() { }
};
/**
* Assembles a drawable for rendering lines on the GPU.
*/
class OSGEARTHFEATURES_EXPORT GPULinesOperator
{
public:
struct Callback {
virtual void operator()(unsigned i) = 0;
};
public:
/**
* Default constructor
*/
GPULinesOperator();
/**
* Construct the operator
* @param[in ] stroke Line rendering properties
*/
GPULinesOperator(const Stroke& stoke);
/**
* Run the GPU lines assembler.
*
* @param[in ] verts Array of vertices to use to build a GPU line strip
* @param[in ] closeTheLoop Whether to connect the last point to the first
*
* @return Geometry suitable for use with GPU line shader.
*/
osg::Geometry* operator()(osg::Vec3Array* verts, bool closeTheLoop) const;
/**
* Installs the necessary shader to render GPU lines
*/
void installShaders(osg::Node* node) const;
protected:
Stroke _stroke;
friend class GPULinesFilter;
};
} } // namespace osgEarth::Features
#endif // OSGEARTHFEATURES_GPU_LINES_H
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