/usr/include/OTB-5.8/otbGlVersionChecker.h is in libotb-dev 5.8.0+dfsg-3.
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 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 | /*=========================================================================
Program: ORFEO Toolbox
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
See OTBCopyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef otb_GlVersionChecker_h
#define otb_GlVersionChecker_h
#include "OTBIceExport.h"
namespace otb
{
class OTBIce_EXPORT GlVersionChecker
{
public:
/**
* Constant containing required OpenGL version for
* client-application feedback messages.
*/
static const char * REQUIRED_GL_VERSION;
/**
* Constant containing required shading-language version for
* client-application feedback messages.
*/
static const char * REQUIRED_GLSL_VERSION;
/**
* \return The OpenGL version used at runtime. The call to this
* method requires a valid OpenGL rendering context. An
* std::runtime_error() is thrown when glGetError() is different
* than GL_NO_ERROR.
*/
static const char * GLVersion();
/**
* \return The OpenGL Shading-Language version used at runtime. The
* call to this method requires a valid OpenGL rendering context. An
* std::runtime_error() is thrown when glGetError() is different
* than GL_NO_ERROR. This method uses GL_SHADING_LANGUAGE_VERSION
* which is available only if the OpenGL version is greater than
* 2.0. (@see
* http://www.opengl.org/sdk/docs/man2/xhtml/glGetString.xml).
*/
static const char * GLSLVersion();
/**
* \brief Check that OpenGL required capabilities have been reached.
*
* \param glVersion The returned OpenGL version or <code>NULL</code>
* if its query has failed.
*
* \param glslVersion The returned OpenGL Shading-Language version
* or <code>NULL</code> if its query has failed.
*
* \return true if OpengGL capabilities of running platform meets
* the needs of the library.
*/
static bool CheckGLCapabilities( const char * & glVersion,
const char * & glslVersion );
/**
* \brief Compares to version-strings on the model of strcmp().
*
* \param Left hand-side version string (runtime). If
* <code>NULL</code>, version-string is considered 0.0.0. (\see
* GlVersionChecker::SplitVersion()).
*
* \param Right hande-side version string (required). If
* <code>NULL</code>, version-string is considered 0.0.0. (\see
* GlVersionChecker::SplitVersion()).
*
* \return <code>-1</code> if version<required; <code>0</code> if
* version==required; <code>+1</code> if version>=required.
*/
static int VerCmp( const char * version, const char * required );
private:
// Prevent instantiation
GlVersionChecker();
~GlVersionChecker();
GlVersionChecker(const GlVersionChecker&);
void operator=(const GlVersionChecker&);
/**
* \brief Split version string into Major.minor.release triplet.
*
* \param version String to split into triplet. If <code>NULL</code>
* or empty, triplet is 0.0.0.
* \param major Major number of resulting version triplet.
* \param minor Minor number of resulting version triplet.
* \param release Release number of resulting version triplet.
*
* \return <code>true</code> if operation has succeeded,
* <code>false</code> otherwise.
*/
static bool SplitVersion( const char * version,
int& major,
int& minor,
int& release );
};
} // End namespace otb
#endif
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