/usr/include/glbinding/Meta.h is in libglbinding-dev 2.1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#include <string>
#include <utility>
#include <vector>
#include <set>
#include <cstdint>
#include <glbinding/glbinding_api.h>
#include <glbinding/gl/types.h>
namespace glbinding
{
class AbstractFunction;
class Version;
/**
* @brief
* Provisioning of meta information about OpenGL extensions, functions and conversion of strings and symbols of the OpenGL API.
*/
class GLBINDING_API Meta
{
public:
/**
* @brief
* Deleted Constructor as all functions are static.
*/
Meta() = delete;
/**
* @brief
* Returns the revision of the parsed gl.xml file.
*
* @return
* The revision of the parsed gl.xml file.
*/
static int glRevision();
/**
* @brief
* Converts a string into a bitfield symbol.
*
* @param[in] glbitfield
* The string representation of the bitfield.
*
* @return
* The symbol identified through the bitfield string, 0 if failed.
*/
static gl::GLbitfield getBitfield(const std::string & glbitfield);
/**
* @brief
* Returns the list of all bitfields known by the gl.xml.
*
* @return
* The list of all bitfields known by the gl.xml.
*/
static std::vector<gl::GLbitfield> bitfields();
/**
* @brief
* Converts a GLenum to a string.
*
* @param[in] glenum
* The enum to convert.
*
* @return
* A string representation of the GLenum symbol name.
*
* Beware, that some enums in the OpenGL API have different symbol names but identical enum values and that this function cannot differentiate between them.
*/
static const std::string & getString(gl::GLenum glenum);
/**
* @brief
* Converts a string to a GLenum symbol.
*
* @param[in] glenum
* The string representation of the enum.
*
* @return
* The symbol identified through the enum string, 0 if failed.
*/
static gl::GLenum getEnum(const std::string & glenum);
/**
* @brief
* Returns the list of all enums known by the gl.xml.
*
* @return
* The list of all enums known by the gl.xml.
*/
static std::vector<gl::GLenum> enums();
/**
* @brief
* Converts a GLboolean to a string.
*
* @param[in] glboolean
* The boolean to convert.
*
* @return
* A string representation of the GLboolean symbol name.
*
* Can either be 'GL_TRUE' or 'GL_FALSE'.
*/
static const std::string & getString(const gl::GLboolean & glboolean);
/**
* @brief
* Converts a string to a GLboolean symbol.
*
* @param[in] glboolean
* The string representation of the GLboolean.
*
* @return
* The symbol identified through the boolean string, 'GL_FALSE' if failed.
*/
static gl::GLboolean getBoolean(const std::string & glboolean);
/**
* @brief
* Converts a GLextension to its string representation.
*
* @param[in] glextension
* The extension to convert.
*
* @return
* The string representation of the extension.
*/
static const std::string & getString(gl::GLextension glextension);
/**
* @brief
* Converts a string to an extension.
*
* @param[in] glextension
* The string representation of the extension.
*
* @return
* The symbol identified through the extension string, 'UNKNOWN' if failed.
*/
static gl::GLextension getExtension(const std::string & glextension);
/**
* @brief
* Returns the set of all extensions known by the gl.xml.
*
* @return
* The set of all extensions known by the gl.xml.
*/
static std::set<gl::GLextension> extensions();
/**
* @brief
* Returns the set of extensions that are required for by the given version.
*
* @param[in] version
* The version/feature to return the required extensions for.
* If an null version is given, all extensions that have no
* version/feature associated are returned instead.
*
* @return
* The set of extensions that should be supported for the given version.
* All non versioned extensions can be queried by providing the null version.
*/
static const std::set<gl::GLextension> extensions(const Version & version);
/**
* @brief
* Returns the list of extensions that are requiring an OpenGL function.
*
* @param[in] glfunction
* The name of the function, including the 'gl' prefix.
*
* @return
* The set of extensions that are requiring an OpenGL function.
*/
static const std::set<gl::GLextension> extensions(const std::string & glfunction);
/**
* @brief
* Returns the set of functions that are required for the version.
*
* @param[in] version
* The version to return the required functions for.
*
* @return
* The set of functions that are required for the version.
* Note: this is exclusive (preceeding versions are ignored).
*/
static const std::set<AbstractFunction *> functions(const Version & version);
/**
* @brief
* Returns the set of functions that are required for the extension.
*
* @param[in] glextension
* The extension to return the required functions for.
*
* @return
* The set of functions that are required for the extension.
*/
static const std::set<AbstractFunction *> functions(gl::GLextension glextension);
/**
* @brief
* Returns the first OpenGL Version (Feature) that required the extension.
*
* @param[in] glextension
* The extension.
*
* @return
* The first OpenGL Version (Feature) that required the extension.
*/
static const Version & version(gl::GLextension glextension);
/**
* @brief
* Returns the first OpenGL Version (Feature) that required the extension.
*
* @param[in] glextension
* The extension.
*
* @return
* The first OpenGL Version (Feature) that required the extension.
*
* @deprecated
* This method will be removed in future major releases.
*/
static const Version & getRequiringVersion(gl::GLextension glextension);
/**
* @brief
* Returns the list of all Versions (Features) known by the gl.xml.
*
* @return
* The list of all Versions (Features) known by the gl.xml.
*/
static const std::set<Version> & versions();
static const std::string & getString(gl::AttribMask glbitfield);
static const std::string & getString(gl::BufferAccessMask glbitfield);
static const std::string & getString(gl::BufferStorageMask glbitfield);
static const std::string & getString(gl::ClearBufferMask glbitfield);
static const std::string & getString(gl::ClientAttribMask glbitfield);
static const std::string & getString(gl::ContextFlagMask glbitfield);
static const std::string & getString(gl::ContextProfileMask glbitfield);
static const std::string & getString(gl::FfdMaskSGIX glbitfield);
static const std::string & getString(gl::FragmentShaderColorModMaskATI glbitfield);
static const std::string & getString(gl::FragmentShaderDestMaskATI glbitfield);
static const std::string & getString(gl::FragmentShaderDestModMaskATI glbitfield);
static const std::string & getString(gl::MapBufferUsageMask glbitfield);
static const std::string & getString(gl::MemoryBarrierMask glbitfield);
static const std::string & getString(gl::PathFontStyle glbitfield);
static const std::string & getString(gl::PathRenderingMaskNV glbitfield);
static const std::string & getString(gl::PerformanceQueryCapsMaskINTEL glbitfield);
static const std::string & getString(gl::SyncObjectMask glbitfield);
static const std::string & getString(gl::TextureStorageMaskAMD glbitfield);
static const std::string & getString(gl::UnusedMask glbitfield);
static const std::string & getString(gl::UseProgramStageMask glbitfield);
static const std::string & getString(gl::VertexHintsMaskPGI glbitfield);
private:
/**
* @brief
* Returns the bucket index of an OpenGL identifier used for the actual lookup into the compile-time maps.
*
* @param[in] identifier
* The identifier for the bucket lookup.
*
* @param[in] prefixLength
* The length of the prefix (e.g., 'gl' or 'GL_') to omit to get the actual first character of the identifier.
*
* @return
* The bucket index of an OpenGL identifier.
*/
static size_t alphabeticalGroupIndex(const std::string & identifier, std::uint8_t prefixLength);
};
} // namespace gl
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