path: root/src/classes/com/sun/opengl/impl/egl/EGLDrawableFactory.java

/*
 * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * - Redistribution of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * 
 * - Redistribution 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.
 * 
 * Neither the name of Sun Microsystems, Inc. or the names of
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
 * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
 * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
 * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
 * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
 * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
 * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
 * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 * 
 * Sun gratefully acknowledges that this software was originally authored
 * and developed by Kenneth Bradley Russell and Christopher John Kline.
 */

package com.sun.opengl.impl.egl;

import javax.media.opengl.*;
import com.sun.opengl.impl.*;

public class EGLDrawableFactory extends GLDrawableFactoryImpl {
    static {
        NativeLibLoader.loadCore();
    }
  
    public AbstractGraphicsConfiguration chooseGraphicsConfiguration(GLCapabilities capabilities,
                                                                     GLCapabilitiesChooser chooser,
                                                                     AbstractGraphicsDevice device) {
        return null;
    }

    public GLDrawable getGLDrawable(Object target,
                                    GLCapabilities capabilities,
                                    GLCapabilitiesChooser chooser) {
        throw new GLException("Not yet implemented");
    }

    public GLDrawableImpl createOffscreenDrawable(GLCapabilities capabilities,
                                                  GLCapabilitiesChooser chooser) {
        throw new GLException("Not yet implemented");
    }

    public boolean canCreateGLPbuffer() {
        // Not supported on OpenGL ES
        return false;
    }
    public GLPbuffer createGLPbuffer(final GLCapabilities capabilities,
                                     final GLCapabilitiesChooser chooser,
                                     final int initialWidth,
                                     final int initialHeight,
                                     final GLContext shareWith) {
        throw new GLException("Pbuffer support not available on OpenGL ES");
    }

    public GLContext createExternalGLContext() {
        return new EGLExternalContext();
    }

    public boolean canCreateExternalGLDrawable() {
        return false;
    }

    public GLDrawable createExternalGLDrawable() {
        throw new GLException("Not yet implemented");
    }

    public void loadGLULibrary() {
    }

    public long dynamicLookupFunction(String glFuncName) {
        return 0;
        /*
        long res = WGL.wglGetProcAddress(glFuncName);
        if (res == 0) {
            // GLU routines aren't known to the OpenGL function lookup
            if (hglu32 != 0) {
                res = WGL.GetProcAddress(hglu32, glFuncName);
            }
        }
        return res;
        */
    }

    public void lockAWTForJava2D() {
    }

    public void unlockAWTForJava2D() {
    }

    public boolean canCreateContextOnJava2DSurface() {
        return false;
    }

    // FIXME: this is the OpenGL ES 2 initialization order

    // Initialize everything
    public void initialize() throws GLException {
        System.out.println("EGLDrawableFactory.initEGL()");
        if (!initEGL()) {
            throw new GLException("EGL init failed");
        }
        System.out.println("EGLDrawableFactory.chooseConfig()");
        if (!chooseConfig()) {
            throw new GLException("EGL choose config failed");
        }
        System.out.println("EGLDrawableFactory.checkDisplay()");
        if (!checkDisplay()) {
            throw new GLException("EGL check display failed");
        }
        System.out.println("EGLDrawableFactory.checkConfig()");
        if (!checkConfig()) {
            throw new GLException("EGL check config failed");
        }
        System.out.println("EGLDrawableFactory.createWindow()");
        if (!createWindow()) {
            throw new GLException("KD window init failed");
        }
        System.out.println("EGLDrawableFactory.setWindowVisible()");
        setWindowVisible();
        System.out.println("EGLDrawableFactory.setWindowFullscreen()");
        setWindowFullscreen();
        System.out.println("EGLDrawableFactory.realizeWindow()");
        if (!realizeWindow()) {
            throw new GLException("EGL/GLES window realize failed");
        }
        System.out.println("EGLDrawableFactory.createSurface()");
        if (!createSurface()) {
            throw new GLException("EGL create window surface failed");
        }
        System.out.println("EGLDrawableFactory.createContext()");
        if (!createContext()) {
            throw new GLException("EGL create context failed");
        }
        System.out.println("EGLDrawableFactory.makeCurrent()");
        if (!makeCurrent()) {
            throw new GLException("EGL make current failed");
        }
        System.out.println("EGLDrawableFactory.updateWindowSize()");
        updateWindowSize();
    }

    /*

    // FIXME: this is the OpenGL ES 1 initialization order

    // Initialize everything
    public void initialize() throws GLException {
        System.out.println("EGLDrawableFactory.initEGL()");
        if (!initEGL()) {
            throw new GLException("EGL init failed");
        }
        System.out.println("EGLDrawableFactory.chooseConfig()");
        if (!chooseConfig()) {
            throw new GLException("EGL choose config failed");
        }
        System.out.println("EGLDrawableFactory.checkDisplay()");
        if (!checkDisplay()) {
            throw new GLException("EGL check display failed");
        }
        System.out.println("EGLDrawableFactory.checkConfig()");
        if (!checkConfig()) {
            throw new GLException("EGL check config failed");
        }
        System.out.println("EGLDrawableFactory.createContext()");
        if (!createContext()) {
            throw new GLException("EGL create context failed");
        }
        //
        // OpenKODE Core window system initialisation.
        //
        System.out.println("EGLDrawableFactory.createWindow()");
        if (!createWindow()) {
            throw new GLException("KD window init failed");
        }
        //        System.out.println("EGLDrawableFactory.setWindowVisible()");
        //        setWindowVisible();
        System.out.println("EGLDrawableFactory.setWindowFullscreen()");
        setWindowFullscreen();
        System.out.println("EGLDrawableFactory.realizeWindow()");
        if (!realizeWindow()) {
            throw new GLException("EGL/GLES window realize failed");
        }
        System.out.println("EGLDrawableFactory.createSurface()");
        if (!createSurface()) {
            throw new GLException("EGL create window surface failed");
        }
        System.out.println("EGLDrawableFactory.makeCurrent()");
        if (!makeCurrent()) {
            throw new GLException("EGL make current failed");
        }
        System.out.println("EGLDrawableFactory.updateWindowSize()");
        updateWindowSize();
    }

    */

    // Process incoming events -- must be called every frame
    public void processEvents() {
        if (shouldExit()) {
            shutdown();
        }
    }

    public void swapBuffers() {
        swapBuffers0();
    }

    private native boolean initEGL();
    private native boolean chooseConfig();
    private native boolean checkDisplay();
    private native boolean checkConfig();
    private native boolean createWindow();
    private native void    setWindowVisible();
    private native void    setWindowFullscreen();
    private native boolean realizeWindow();
    private native boolean createSurface();
    private native boolean createContext();
    private native boolean makeCurrent();
    private native void    updateWindowSize();
    private native void    swapBuffers0();

    // Runs the native message loop one step and checks to see if we should exit
    private native boolean shouldExit();
    public native void shutdown();

    public void testGetDirectBufferAddress() {
        java.nio.FloatBuffer buf = com.sun.opengl.util.BufferUtil.newFloatBuffer(12);
        int addr = getDirectBufferAddress(buf);
        System.out.println("Direct FloatBuffer's address: 0x" + Integer.toHexString(addr));
    }
    public native int getDirectBufferAddress(java.nio.Buffer buf);

    /*
    public GLContext createContextOnJava2DSurface(Graphics g, GLContext shareWith)
        throws GLException {
        throw new GLException("Unimplemented on this platform");
    }
    */
}