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/*
* Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
* Copyright (c) 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:
*
* - 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 jogamp.opengl.egl;
import jogamp.opengl.GLDynamicLookupHelper;
import jogamp.opengl.GLDrawableImpl;
import javax.media.nativewindow.*;
import javax.media.nativewindow.egl.*;
import javax.media.opengl.*;
public abstract class EGLDrawable extends GLDrawableImpl {
protected boolean ownEGLDisplay = false; // for destruction
protected boolean ownEGLSurface = false; // for destruction
private EGLGraphicsConfiguration eglConfig;
protected long eglDisplay;
protected long eglSurface;
protected EGLDrawable(EGLDrawableFactory factory,
NativeSurface component) throws GLException {
super(factory, component, false);
eglSurface=EGL.EGL_NO_SURFACE;
eglDisplay=0;
}
public long getDisplay() {
return eglDisplay;
}
public long getHandle() {
return eglSurface;
}
public EGLGraphicsConfiguration getGraphicsConfiguration() {
return eglConfig;
}
public GLCapabilitiesImmutable getChosenGLCapabilities() {
return (null==eglConfig)?super.getChosenGLCapabilities():(GLCapabilitiesImmutable)eglConfig.getChosenCapabilities();
}
public abstract GLContext createContext(GLContext shareWith);
protected abstract long createSurface(long eglDpy, long eglNativeCfg, long surfaceHandle);
private void recreateSurface() {
// create a new EGLSurface ..
if(EGL.EGL_NO_SURFACE!=eglSurface) {
EGL.eglDestroySurface(eglDisplay, eglSurface);
}
if(DEBUG) {
System.err.println("createSurface using eglDisplay "+toHexString(eglDisplay)+", "+eglConfig);
}
eglSurface = createSurface(eglDisplay, eglConfig.getNativeConfig(), surface.getSurfaceHandle());
if (EGL.EGL_NO_SURFACE==eglSurface) {
final int eglError0 = EGL.eglGetError();
if(EGL.EGL_BAD_NATIVE_WINDOW == eglError0) {
// Try window handle if available and differs (Windows HDC / HWND).
// ANGLE impl. required HWND on Windows.
if(surface instanceof NativeWindow) {
final NativeWindow nw = (NativeWindow) surface;
if(nw.getWindowHandle() != nw.getSurfaceHandle()) {
if(DEBUG) {
System.err.println("Info: Creation of window surface w/ surface handle failed: "+eglConfig+", error "+toHexString(eglError0)+", retry w/ windowHandle");
}
eglSurface = createSurface(eglDisplay, eglConfig.getNativeConfig(), nw.getWindowHandle());
}
}
}
}
if (EGL.EGL_NO_SURFACE==eglSurface) {
throw new GLException("Creation of window surface failed: "+eglConfig+", "+surface+", error "+toHexString(EGL.eglGetError()));
}
if(DEBUG) {
System.err.println("setSurface using component: handle "+toHexString(surface.getSurfaceHandle())+" -> "+toHexString(eglSurface));
}
}
protected void setRealizedImpl() {
if (realized) {
AbstractGraphicsConfiguration aConfig = surface.getGraphicsConfiguration();
AbstractGraphicsDevice aDevice = aConfig.getScreen().getDevice();
if(aDevice instanceof EGLGraphicsDevice) {
if(DEBUG) {
System.err.println("EGLDrawable.setRealized(true): using existing EGL config - START");
}
// 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);
}
int[] tmp = new int[1];
if ( 0 != surface.getSurfaceHandle() &&
EGL.eglQuerySurface(eglDisplay, surface.getSurfaceHandle(), EGL.EGL_CONFIG_ID, tmp, 0) ) {
// surface holds static EGLSurface
eglSurface = surface.getSurfaceHandle();
if(DEBUG) {
System.err.println("setSurface re-using component's EGLSurface: handle "+toHexString(eglSurface));
}
} else {
// EGLSurface is ours ..
ownEGLSurface=true;
recreateSurface();
}
} else {
throw new GLException("EGLGraphicsDevice hold by non EGLGraphicsConfiguration: "+aConfig);
}
} else {
if(DEBUG) {
System.err.println("EGLDrawable.setRealized(true): creating new EGL config - START");
}
// create a new EGL config ..
ownEGLDisplay=true;
// EGLSurface is ours ..
ownEGLSurface=true;
long nDisplay=0;
if( NativeWindowFactory.TYPE_WINDOWS.equals(NativeWindowFactory.getNativeWindowType(false)) ) {
nDisplay = surface.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("+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 "+toHexString(nDisplay)+", "+aDevice+", error "+toHexString(EGL.eglGetError()));
} else if(DEBUG) {
System.err.println("eglDisplay("+toHexString(nDisplay)+"): "+toHexString(eglDisplay));
}
if (!EGL.eglInitialize(eglDisplay, null, null)) {
throw new GLException("eglInitialize failed"+", error "+Integer.toHexString(EGL.eglGetError()));
}
EGLGraphicsDevice e = new EGLGraphicsDevice(eglDisplay, AbstractGraphicsDevice.DEFAULT_CONNECTION, AbstractGraphicsDevice.DEFAULT_UNIT);
DefaultGraphicsScreen s = new DefaultGraphicsScreen(e, aConfig.getScreen().getIndex());
// use the original requested Capabilities, ignore previously chosen ones (x11,win32,..) - they are not fit
final GLCapabilitiesImmutable capsRequested = (GLCapabilitiesImmutable) aConfig.getRequestedCapabilities();
eglConfig = (EGLGraphicsConfiguration) GraphicsConfigurationFactory.getFactory(e).chooseGraphicsConfiguration(
capsRequested, capsRequested, null, s);
if (null == eglConfig) {
throw new GLException("Couldn't create EGLGraphicsConfiguration from "+s);
} else if(DEBUG) {
System.err.println("Chosen eglConfig: "+eglConfig);
}
recreateSurface();
}
if(DEBUG) {
System.err.println("EGLDrawable.setRealized(true): END: ownDisplay "+ownEGLDisplay+", ownSurface "+ownEGLSurface+" - "+this);
}
} else if (ownEGLSurface && eglSurface != EGL.EGL_NO_SURFACE) {
if(DEBUG) {
System.err.println("EGLDrawable.setRealized(false): ownDisplay "+ownEGLDisplay+", ownSurface "+ownEGLSurface);
}
// 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;
}
}
protected final void swapBuffersImpl() {
// single-buffer is already filtered out @ GLDrawableImpl#swapBuffers()
if(!EGL.eglSwapBuffers(eglDisplay, eglSurface)) {
if(DEBUG) {
System.err.println("eglSwapBuffers failed:");
Thread.dumpStack();
}
}
}
public int getWidth() {
int[] tmp = new int[1];
if (!EGL.eglQuerySurface(eglDisplay, eglSurface, EGL.EGL_WIDTH, tmp, 0)) {
throw new GLException("Error querying surface width");
}
return tmp[0];
}
public int getHeight() {
int[] tmp = new int[1];
if (!EGL.eglQuerySurface(eglDisplay, eglSurface, EGL.EGL_HEIGHT, tmp, 0)) {
throw new GLException("Error querying surface height");
}
return tmp[0];
}
public GLDynamicLookupHelper getGLDynamicLookupHelper() {
if (getGLProfile().usesNativeGLES2()) {
return getFactoryImpl().getGLDynamicLookupHelper(2);
} else if (getGLProfile().usesNativeGLES1()) {
return getFactoryImpl().getGLDynamicLookupHelper(1);
} else {
throw new GLException("Unsupported: "+getGLProfile());
}
}
public String toString() {
return getClass().getName()+"[realized "+isRealized()+
",\n\tfactory "+getFactory()+
",\n\tsurface "+getNativeSurface()+
",\n\teglSurface "+toHexString(eglSurface)+
",\n\teglConfig "+eglConfig+
",\n\trequested "+getRequestedGLCapabilities()+
",\n\tchosen "+getChosenGLCapabilities()+"]";
}
}
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