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/**
 * Copyright 2010 JogAmp Community. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 *
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list
 *       of conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of JogAmp Community.
 */

package jogamp.opengl.egl;

import com.jogamp.common.os.AndroidVersion;
import com.jogamp.common.os.Platform;

import java.util.*;

import jogamp.common.os.PlatformPropsImpl;
import jogamp.opengl.*;

/**
 * Abstract implementation of the DynamicLookupHelper for EGL,
 * which decouples it's dependencies to EGLDrawable.
 *
 * Currently two implementations exist, one for ES1 and one for ES3 and ES2.
 */
public abstract class EGLDynamicLibraryBundleInfo extends GLDynamicLibraryBundleInfo {
    static final List<String> glueLibNames;
    static {
        glueLibNames = new ArrayList<String>();
        glueLibNames.add("jogl_mobile");
    }

    protected EGLDynamicLibraryBundleInfo() {
        super();
    }

    /**
     * Returns <code>true</code> on <code>Android</code>,
     * and <code>false</code> otherwise.
     * <p>
     * {@inheritDoc}
     * </p>
     */
    @Override
    public final boolean shallLookupGlobal() {
        if ( Platform.OSType.ANDROID == PlatformPropsImpl.OS_TYPE ) {
            // Android requires global symbol lookup
            return true;
        }
        // default behavior for other platforms
        return false;
    }

    @Override
    public final List<String> getToolGetProcAddressFuncNameList() {
        final List<String> res = new ArrayList<String>();
        res.add("eglGetProcAddress");
        return res;
    }

    @Override
    public final long toolGetProcAddress(final long toolGetProcAddressHandle, final String funcName) {
        return EGL.eglGetProcAddress(toolGetProcAddressHandle, funcName);
    }

    @Override
    public final boolean useToolGetProcAdressFirst(final String funcName) {
        if ( AndroidVersion.isAvailable ) {
            // Android requires global dlsym lookup
            return false;
        } else {
            return true;
        }
    }

    protected final List<String> getEGLLibNamesList() {
        final List<String> eglLibNames = new ArrayList<String>();

        // this is the default EGL lib name, according to the spec
        eglLibNames.add("libEGL.so.1");

        // try these as well, if spec fails
        eglLibNames.add("libEGL.so");
        eglLibNames.add("EGL");

        // for windows distributions using the 'unlike' lib prefix,
        // where our tool does not add it.
        eglLibNames.add("libEGL");

        return eglLibNames;
    }

    @Override
    public final List<String> getGlueLibNames() {
        return glueLibNames;
    }
}