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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 javax.media.nativewindow.MutableSurface;
import javax.media.nativewindow.NativeSurface;
import javax.media.nativewindow.NativeWindow;
import javax.media.nativewindow.ProxySurface;
import javax.media.opengl.GLContext;
import javax.media.opengl.GLException;
import jogamp.opengl.GLDrawableImpl;
import jogamp.opengl.GLDynamicLookupHelper;
import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
public abstract class EGLDrawable extends GLDrawableImpl {
private boolean ownEGLSurface = false; // for destruction
protected EGLDrawable(EGLDrawableFactory factory, NativeSurface component) throws GLException {
super(factory, component, false);
}
@Override
public abstract GLContext createContext(GLContext shareWith);
protected abstract long createSurface(EGLGraphicsConfiguration config, long nativeSurfaceHandle);
private final void recreateSurface() {
final EGLGraphicsConfiguration eglConfig = (EGLGraphicsConfiguration) surface.getGraphicsConfiguration();
final EGLGraphicsDevice eglDevice = (EGLGraphicsDevice) eglConfig.getScreen().getDevice();
if(DEBUG) {
System.err.println(getThreadName() + ": createSurface using "+eglConfig);
}
if( EGL.EGL_NO_SURFACE != surface.getSurfaceHandle() ) {
EGL.eglDestroySurface(eglDevice.getHandle(), surface.getSurfaceHandle());
}
final EGLUpstreamSurfaceHook upstreamHook = (EGLUpstreamSurfaceHook) ((ProxySurface)surface).getUpstreamSurfaceHook();
final NativeSurface upstreamSurface = upstreamHook.getUpstreamSurface();
long eglSurface = createSurface(eglConfig, upstreamSurface.getSurfaceHandle());
int eglError0;
if (EGL.EGL_NO_SURFACE == eglSurface) {
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(upstreamSurface instanceof NativeWindow) {
final NativeWindow nw = (NativeWindow) upstreamSurface;
if(nw.getWindowHandle() != nw.getSurfaceHandle()) {
if(DEBUG) {
System.err.println(getThreadName() + ": Info: Creation of window surface w/ surface handle failed: "+eglConfig+", error "+toHexString(eglError0)+", retry w/ windowHandle");
}
eglSurface = createSurface(eglConfig, nw.getWindowHandle());
if (EGL.EGL_NO_SURFACE == eglSurface) {
eglError0 = EGL.eglGetError();
}
}
}
}
} else {
eglError0 = EGL.EGL_SUCCESS;
}
if (EGL.EGL_NO_SURFACE == eglSurface) {
throw new GLException("Creation of window surface failed: "+eglConfig+", "+surface+", error "+toHexString(eglError0));
}
if(DEBUG) {
System.err.println(getThreadName() + ": setSurface using component: handle "+toHexString(surface.getSurfaceHandle())+" -> "+toHexString(eglSurface));
}
((MutableSurface)surface).setSurfaceHandle(eglSurface);
}
@Override
protected final void updateHandle() {
if(ownEGLSurface) {
recreateSurface();
}
}
@Override
protected final void setRealizedImpl() {
final EGLGraphicsConfiguration eglConfig = (EGLGraphicsConfiguration) surface.getGraphicsConfiguration();
final EGLGraphicsDevice eglDevice = (EGLGraphicsDevice) eglConfig.getScreen().getDevice();
if (realized) {
final long eglDisplayHandle = eglDevice.getHandle();
if (EGL.EGL_NO_DISPLAY == eglDisplayHandle) {
throw new GLException("Invalid EGL display in EGLGraphicsDevice "+eglDevice);
}
int[] tmp = new int[1];
boolean eglSurfaceValid = 0 != surface.getSurfaceHandle();
if(eglSurfaceValid) {
eglSurfaceValid = EGL.eglQuerySurface(eglDisplayHandle, surface.getSurfaceHandle(), EGL.EGL_CONFIG_ID, tmp, 0);
if(!eglSurfaceValid) {
if(DEBUG) {
System.err.println(getThreadName() + ": EGLDrawable.setRealizedImpl eglQuerySuface failed: "+toHexString(EGL.eglGetError())+", "+surface);
}
}
}
if(eglSurfaceValid) {
// surface holds valid EGLSurface
if(DEBUG) {
System.err.println(getThreadName() + ": EGLDrawable.setRealizedImpl re-using component's EGLSurface: handle "+toHexString(surface.getSurfaceHandle()));
}
ownEGLSurface=false;
} else {
// EGLSurface is ours - subsequent updateHandle() will issue recreateSurface();
// However .. let's validate the surface object first
if( ! (surface instanceof ProxySurface) ) {
throw new InternalError("surface not ProxySurface: "+surface.getClass().getName()+", "+surface);
}
final ProxySurface.UpstreamSurfaceHook upstreamHook = ((ProxySurface)surface).getUpstreamSurfaceHook();
if( null == upstreamHook ) {
throw new InternalError("null upstreamHook of: "+surface);
}
if( ! (upstreamHook instanceof EGLUpstreamSurfaceHook) ) {
throw new InternalError("upstreamHook not EGLUpstreamSurfaceHook: Surface: "+surface.getClass().getName()+", "+surface+"; UpstreamHook: "+upstreamHook.getClass().getName()+", "+upstreamHook);
}
if( null == ((EGLUpstreamSurfaceHook)upstreamHook).getUpstreamSurface() ) {
throw new InternalError("null upstream surface");
}
ownEGLSurface=true;
if(DEBUG) {
System.err.println(getThreadName() + ": EGLDrawable.setRealizedImpl owning EGLSurface");
}
}
} else if (ownEGLSurface && surface.getSurfaceHandle() != EGL.EGL_NO_SURFACE) {
if(DEBUG) {
System.err.println(getThreadName() + ": EGLDrawable.setRealized(false): ownSurface "+ownEGLSurface+", "+eglDevice+", eglSurface: "+toHexString(surface.getSurfaceHandle()));
}
// Destroy the window surface
if (!EGL.eglDestroySurface(eglDevice.getHandle(), surface.getSurfaceHandle())) {
throw new GLException("Error destroying window surface (eglDestroySurface)");
}
((MutableSurface)surface).setSurfaceHandle(EGL.EGL_NO_SURFACE);
}
}
@Override
protected final void swapBuffersImpl() {
final EGLGraphicsDevice eglDevice = (EGLGraphicsDevice) surface.getGraphicsConfiguration().getScreen().getDevice();
// single-buffer is already filtered out @ GLDrawableImpl#swapBuffers()
if(!EGL.eglSwapBuffers(eglDevice.getHandle(), surface.getSurfaceHandle())) {
throw new GLException("Error swapping buffers, eglError "+toHexString(EGL.eglGetError())+", "+this);
}
}
@Override
public GLDynamicLookupHelper getGLDynamicLookupHelper() {
if (getGLProfile().usesNativeGLES2()) {
return getFactoryImpl().getGLDynamicLookupHelper(2);
} else if (getGLProfile().usesNativeGLES1()) {
return getFactoryImpl().getGLDynamicLookupHelper(1);
} else {
throw new GLException("Unsupported: "+getGLProfile());
}
}
@Override
public String toString() {
return getClass().getName()+"[realized "+isRealized()+
",\n\tfactory "+getFactory()+
",\n\tsurface "+getNativeSurface()+
",\n\teglSurface "+toHexString(surface.getSurfaceHandle())+
",\n\teglConfig "+surface.getGraphicsConfiguration()+
",\n\trequested "+getRequestedGLCapabilities()+
",\n\tchosen "+getChosenGLCapabilities()+"]";
}
}
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