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/*
* 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 com.sun.opengl.impl.GLDrawableImpl;
import com.sun.nativewindow.impl.NWReflection;
import com.sun.gluegen.runtime.DynamicLookupHelper;
import javax.media.nativewindow.*;
import javax.media.nativewindow.egl.*;
import javax.media.opengl.*;
public abstract class EGLDrawable extends GLDrawableImpl {
protected boolean ownEGLDisplay = false;
private EGLGraphicsConfiguration eglConfig;
protected long eglDisplay;
protected long eglSurface;
private int[] tmp = new int[1];
protected EGLDrawable(EGLDrawableFactory factory,
NativeWindow component) throws GLException {
super(factory, component, false);
eglSurface=EGL.EGL_NO_SURFACE;
eglDisplay=0;
}
public long getDisplay() {
return eglDisplay;
}
public long getSurface() {
return eglSurface;
}
public EGLGraphicsConfiguration getGraphicsConfiguration() {
return eglConfig;
}
public GLCapabilities getChosenGLCapabilities() {
return (null==eglConfig)?super.getChosenGLCapabilities():(GLCapabilities)eglConfig.getChosenCapabilities();
}
public abstract GLContext createContext(GLContext shareWith);
protected abstract long createSurface(long eglDpy, _EGLConfig eglNativeCfg);
private void recreateSurface() {
if(EGL.EGL_NO_SURFACE!=eglSurface) {
EGL.eglDestroySurface(eglDisplay, eglSurface);
}
eglSurface = createSurface(eglDisplay, eglConfig.getNativeConfig());
if(DEBUG) {
System.err.println("setSurface using component: handle 0x"+Long.toHexString(component.getWindowHandle())+" -> 0x"+Long.toHexString(eglSurface));
}
}
public void setRealized(boolean realized) {
super.setRealized(realized);
if (realized) {
if ( NativeWindow.LOCK_SURFACE_NOT_READY == lockSurface() ) {
throw new GLException("Couldn't lock surface");
}
// lockSurface() also resolved the window/surface handles
try {
AbstractGraphicsConfiguration aConfig = component.getGraphicsConfiguration().getNativeGraphicsConfiguration();
AbstractGraphicsDevice aDevice = aConfig.getScreen().getDevice();
if(aDevice instanceof EGLGraphicsDevice) {
// just fetch the data .. trust but verify ..
eglDisplay = aDevice.getHandle();
if (eglDisplay == EGL.EGL_NO_DISPLAY) {
throw new GLException("Invalid EGL display in EGLGraphicsDevice from "+aDevice);
}
if(aConfig instanceof EGLGraphicsConfiguration) {
eglConfig = (EGLGraphicsConfiguration) aConfig; // done ..
if (null == eglConfig) {
throw new GLException("Null EGLGraphicsConfiguration from "+aConfig);
}
eglConfig.updateGraphicsConfiguration();
} else {
throw new GLException("EGLGraphicsConfiguration doesn't carry a EGLGraphicsDevice: "+aConfig);
}
} else {
// create a new EGL config ..
ownEGLDisplay=true;
long nDisplay;
if( NativeWindowFactory.TYPE_WINDOWS.equals(NativeWindowFactory.getNativeWindowType(false)) ) {
nDisplay = component.getSurfaceHandle(); // don't even ask ..
} else {
nDisplay = aDevice.getHandle(); // 0 == EGL.EGL_DEFAULT_DISPLAY
}
eglDisplay = EGL.eglGetDisplay(nDisplay);
if (eglDisplay == EGL.EGL_NO_DISPLAY) {
if(DEBUG) {
System.err.println("eglDisplay("+Long.toHexString(nDisplay)+" <surfaceHandle>): failed, using EGL_DEFAULT_DISPLAY");
}
nDisplay = EGL.EGL_DEFAULT_DISPLAY;
eglDisplay = EGL.eglGetDisplay(nDisplay);
}
if (eglDisplay == EGL.EGL_NO_DISPLAY) {
throw new GLException("Failed to created EGL display: nhandle 0x"+Long.toHexString(nDisplay)+", "+aDevice+", error 0x"+Integer.toHexString(EGL.eglGetError()));
} else if(DEBUG) {
System.err.println("eglDisplay("+Long.toHexString(nDisplay)+"): 0x"+Long.toHexString(eglDisplay));
}
if (!EGL.eglInitialize(eglDisplay, null, null)) {
throw new GLException("eglInitialize failed"+", error 0x"+Integer.toHexString(EGL.eglGetError()));
}
EGLGraphicsDevice e = new EGLGraphicsDevice(eglDisplay);
DefaultGraphicsScreen s = new DefaultGraphicsScreen(e, aConfig.getScreen().getIndex());
GLCapabilities caps = (GLCapabilities) aConfig.getChosenCapabilities(); // yes, use the already choosen Capabilities (x11,win32,..)
eglConfig = (EGLGraphicsConfiguration) GraphicsConfigurationFactory.getFactory(e).chooseGraphicsConfiguration(caps, null, s);
if (null == eglConfig) {
throw new GLException("Couldn't create EGLGraphicsConfiguration from "+s);
} else if(DEBUG) {
System.err.println("Chosen eglConfig: "+eglConfig);
}
}
recreateSurface();
} finally {
unlockSurface();
}
} else if (eglSurface != EGL.EGL_NO_SURFACE) {
// Destroy the window surface
if (!EGL.eglDestroySurface(eglDisplay, eglSurface)) {
throw new GLException("Error destroying window surface (eglDestroySurface)");
}
eglSurface = EGL.EGL_NO_SURFACE;
if (ownEGLDisplay && EGL.EGL_NO_DISPLAY!=eglDisplay) {
EGL.eglTerminate(eglDisplay);
}
eglDisplay=EGL.EGL_NO_DISPLAY;
eglConfig=null;
}
}
public int getWidth() {
if (!EGL.eglQuerySurface(eglDisplay, eglSurface, EGL.EGL_WIDTH, tmp, 0)) {
throw new GLException("Error querying surface width");
}
return tmp[0];
}
public int getHeight() {
if (!EGL.eglQuerySurface(eglDisplay, eglSurface, EGL.EGL_HEIGHT, tmp, 0)) {
throw new GLException("Error querying surface height");
}
return tmp[0];
}
public DynamicLookupHelper getDynamicLookupHelper() {
return EGLDynamicLookupHelper.getDynamicLookupHelper(getGLProfile());
}
public String toString() {
return "EGLDrawable[ realized "+getRealized()+
", window "+getNativeWindow()+
", egl surface " + eglSurface +
", "+eglConfig+
", factory "+getFactory()+"]";
}
}
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