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diff --git a/helpers/glfeatures.hpp b/helpers/glfeatures.hpp
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+/**************************************************************************
+ *
+ * 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 <ostream>
+#include <set>
+#include <string>
+
+
+namespace glfeatures {
+
+
+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<std::string> strings;
+
+    void
+    getCurrentContextExtensions(const Profile & profile);
+
+    bool
+    has(const char *string) const;
+};
+
+
+
+} /* namespace glfeatures */