/************************************************************************** * * Copyright 2014 VMware, Inc. * Copyright 2011 Jose Fonseca * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * 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. * **************************************************************************/ /* * Representation and manipulation of OpenGL context profiles. */ #pragma once #include #include #include namespace glprofile { enum Api { API_GL = 0, API_GLES }; struct Profile { unsigned major:8; unsigned minor:8; unsigned api:1; unsigned core:1; unsigned forwardCompatible:1; inline Profile( Api _api = API_GL, unsigned _major = 1, unsigned _minor = 0, bool _core = false, bool _forwardCompatible = false ) { api = _api; major = _major; minor = _minor; core = _core; forwardCompatible = _forwardCompatible; } inline bool desktop(void) { return api == API_GL; } inline bool es(void) const { return api == API_GLES; } inline bool versionGreaterOrEqual(unsigned refMajor, unsigned refMinor) const { return major > refMajor || (major == refMajor && minor >= refMinor); } inline bool versionGreaterOrEqual(Api refApi, unsigned refMajor, unsigned refMinor) const { return api == refApi && versionGreaterOrEqual(refMajor, refMinor); } bool matches(const Profile expected) const; // Comparison operator, mainly for use in std::map inline bool operator == (const Profile & other) const { return major == other.major && minor == other.minor && api == other.api && core == other.core && forwardCompatible == other.forwardCompatible; } // Comparison operator, mainly for use in std::map inline bool operator < (const Profile & other) const { return major < other.major || minor < other.minor || api < other.api || core < other.core || forwardCompatible < other.forwardCompatible; } std::string str(void) const; }; std::ostream & operator << (std::ostream &os, const Profile & profile); Profile getCurrentContextProfile(void); struct Extensions { std::set strings; void getCurrentContextExtensions(const Profile & profile); bool has(const char *string) const; }; } /* namespace glprofile */