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package jogamp.opengl.egl;
import javax.media.nativewindow.AbstractGraphicsConfiguration;
import javax.media.nativewindow.AbstractGraphicsDevice;
import javax.media.nativewindow.AbstractGraphicsScreen;
import javax.media.nativewindow.DefaultGraphicsScreen;
import javax.media.nativewindow.NativeSurface;
import javax.media.nativewindow.ProxySurface;
import javax.media.nativewindow.UpstreamSurfaceHook;
import javax.media.nativewindow.VisualIDHolder.VIDType;
import javax.media.opengl.GLCapabilitiesImmutable;
import javax.media.opengl.GLException;
import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
/**
* <pre>
* EGLWrappedSurface [ is_a -> WrappedSurface -> ProxySurfaceImpl -> ProxySurface -> MutableSurface -> NativeSurface] has_a
* EGLUpstreamSurfaceHook [ is_a -> UpstreamSurfaceHook.MutableSize -> UpstreamSurfaceHook ] has_a
* NativeSurface (e.g. native X11 surface)
* </pre>
*/
public class EGLUpstreamSurfaceHook implements UpstreamSurfaceHook.MutableSize {
protected static final boolean DEBUG = EGLDrawableFactory.DEBUG;
private final NativeSurface upstreamSurface;
private final UpstreamSurfaceHook.MutableSize upstreamSurfaceHookMutableSize;
public EGLUpstreamSurfaceHook(NativeSurface upstream) {
upstreamSurface = upstream;
if(upstreamSurface instanceof ProxySurface) {
final UpstreamSurfaceHook ush = ((ProxySurface)upstreamSurface).getUpstreamSurfaceHook();
if(ush instanceof UpstreamSurfaceHook.MutableSize) {
// offscreen NativeSurface w/ MutableSize (default)
upstreamSurfaceHookMutableSize = (UpstreamSurfaceHook.MutableSize) ush;
} else {
upstreamSurfaceHookMutableSize = null;
}
} else {
upstreamSurfaceHookMutableSize = null;
}
}
static String getThreadName() { return Thread.currentThread().getName(); }
/**
* {@inheritDoc}
* <p>
* Returns the actual upstream {@link NativeSurface}, e.g. native X11 surface.
* </p>
*/
@Override
public final NativeSurface getUpstreamSurface() { return upstreamSurface; }
@Override
public final void setSurfaceSize(int width, int height) {
if(null != upstreamSurfaceHookMutableSize) {
upstreamSurfaceHookMutableSize.setSurfaceSize(width, height);
}
}
@Override
public final void create(ProxySurface surface) {
final String dbgPrefix;
if(DEBUG) {
dbgPrefix = getThreadName() + ": EGLUpstreamSurfaceHook.create( up "+upstreamSurface.getClass().getSimpleName()+" -> this "+surface.getClass().getSimpleName()+" ): ";
System.err.println(dbgPrefix+this);
} else {
dbgPrefix = null;
}
if(upstreamSurface instanceof ProxySurface) {
// propagate createNotify(..) so upstreamSurface will be created
((ProxySurface)upstreamSurface).createNotify();
}
// lock upstreamSurface, so it can be used in case EGLDisplay is derived from it!
if(NativeSurface.LOCK_SURFACE_NOT_READY >= upstreamSurface.lockSurface()) {
throw new GLException("Could not lock: "+upstreamSurface);
}
try {
evalUpstreamSurface(dbgPrefix, surface);
} finally {
upstreamSurface.unlockSurface();
}
}
private final void evalUpstreamSurface(String dbgPrefix, ProxySurface surface) {
//
// evaluate nature of upstreamSurface, may create EGL instances if required
//
boolean isEGLSurfaceValid = true; // assume yes
final EGLGraphicsDevice eglDevice;
final AbstractGraphicsConfiguration aConfig;
{
final AbstractGraphicsConfiguration surfaceConfig = surface.getGraphicsConfiguration();
final AbstractGraphicsDevice surfaceDevice = null != surfaceConfig ? surfaceConfig.getScreen().getDevice() : null;
if(DEBUG) {
System.err.println(dbgPrefix+"SurfaceDevice: "+surfaceDevice.getClass().getSimpleName()+", hash 0x"+Integer.toHexString(surfaceDevice.hashCode())+", "+surfaceDevice);
System.err.println(dbgPrefix+"SurfaceConfig: "+surfaceConfig.getClass().getSimpleName()+", hash 0x"+Integer.toHexString(surfaceConfig.hashCode())+", "+surfaceConfig);
}
final AbstractGraphicsConfiguration upstreamConfig = upstreamSurface.getGraphicsConfiguration();
final AbstractGraphicsDevice upstreamDevice = upstreamConfig.getScreen().getDevice();
if(DEBUG) {
System.err.println(dbgPrefix+"UpstreamDevice: "+upstreamDevice.getClass().getSimpleName()+", hash 0x"+Integer.toHexString(upstreamDevice.hashCode())+", "+upstreamDevice);
System.err.println(dbgPrefix+"UpstreamConfig: "+upstreamConfig.getClass().getSimpleName()+", hash 0x"+Integer.toHexString(upstreamConfig.hashCode())+", "+upstreamConfig);
}
if( surfaceDevice instanceof EGLGraphicsDevice ) {
eglDevice = (EGLGraphicsDevice) surfaceDevice;
aConfig = surfaceConfig;
if(DEBUG) {
System.err.println(dbgPrefix+"Reusing this eglDevice: "+eglDevice+", using this config "+aConfig.getClass().getSimpleName()+" "+aConfig);
}
if(EGL.EGL_NO_DISPLAY == eglDevice.getHandle()) {
eglDevice.open();
isEGLSurfaceValid = false;
surface.addUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_DEVICE );
}
} else if( upstreamDevice instanceof EGLGraphicsDevice ) {
eglDevice = (EGLGraphicsDevice) upstreamDevice;
aConfig = upstreamConfig;
if(DEBUG) {
System.err.println(dbgPrefix+"Reusing upstream eglDevice: "+eglDevice+", using upstream config "+aConfig.getClass().getSimpleName()+" "+aConfig);
}
if(EGL.EGL_NO_DISPLAY == eglDevice.getHandle()) {
eglDevice.open();
isEGLSurfaceValid = false;
surface.addUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_DEVICE );
}
} else {
eglDevice = EGLDisplayUtil.eglCreateEGLGraphicsDevice(upstreamSurface);
eglDevice.open();
aConfig = upstreamConfig;
isEGLSurfaceValid = false;
surface.addUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_DEVICE );
}
}
final GLCapabilitiesImmutable capsRequested = (GLCapabilitiesImmutable) aConfig.getRequestedCapabilities();
final EGLGraphicsConfiguration eglConfig;
if( aConfig instanceof EGLGraphicsConfiguration ) {
// Config is already in EGL type - reuse ..
final EGLGLCapabilities capsChosen = (EGLGLCapabilities) aConfig.getChosenCapabilities();
if( !isEGLSurfaceValid || !EGLGraphicsConfiguration.isEGLConfigValid(eglDevice.getHandle(), capsChosen.getEGLConfig()) ) {
// 'refresh' the native EGLConfig handle
capsChosen.setEGLConfig(EGLGraphicsConfiguration.EGLConfigId2EGLConfig(eglDevice.getHandle(), capsChosen.getEGLConfigID()));
if( 0 == capsChosen.getEGLConfig() ) {
throw new GLException("Refreshing native EGLConfig handle failed with error "+EGLContext.toHexString(EGL.eglGetError())+": "+eglDevice+", "+capsChosen+" of "+aConfig);
}
final AbstractGraphicsScreen eglScreen = new DefaultGraphicsScreen(eglDevice, aConfig.getScreen().getIndex());
eglConfig = new EGLGraphicsConfiguration(eglScreen, capsChosen, capsRequested, null);
if(DEBUG) {
System.err.println(dbgPrefix+"Refreshing eglConfig: "+eglConfig);
}
isEGLSurfaceValid = false;
} else {
eglConfig = (EGLGraphicsConfiguration) aConfig;
if(DEBUG) {
System.err.println(dbgPrefix+"Reusing eglConfig: "+eglConfig);
}
}
} else {
final AbstractGraphicsScreen eglScreen = new DefaultGraphicsScreen(eglDevice, aConfig.getScreen().getIndex());
eglConfig = EGLGraphicsConfigurationFactory.chooseGraphicsConfigurationStatic(
capsRequested, capsRequested, null, eglScreen, aConfig.getVisualID(VIDType.NATIVE), false /* forceTransparencyFlag */);
if (null == eglConfig) {
throw new GLException("Couldn't create EGLGraphicsConfiguration from "+eglScreen);
} else if(DEBUG) {
System.err.println(dbgPrefix+"Chosen eglConfig: "+eglConfig);
}
isEGLSurfaceValid = false;
}
surface.setGraphicsConfiguration(eglConfig);
if(isEGLSurfaceValid) {
isEGLSurfaceValid = EGLDrawable.isValidEGLSurface(eglDevice.getHandle(), upstreamSurface.getSurfaceHandle());
}
if(isEGLSurfaceValid) {
surface.setSurfaceHandle(upstreamSurface.getSurfaceHandle());
surface.clearUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_SURFACE );
if(DEBUG) {
System.err.println(dbgPrefix+"Fin: Already valid EGL surface - use as-is: "+upstreamSurface);
}
} else {
surface.setSurfaceHandle(EGL.EGL_NO_SURFACE);
surface.addUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_SURFACE ); // create/destroy in EGLDrawable
if(DEBUG) {
System.err.println(dbgPrefix+"Fin: EGL surface n/a - TBD: "+upstreamSurface);
}
}
}
@Override
public final void destroy(ProxySurface surface) {
if(EGLDrawableFactory.DEBUG) {
System.err.println("EGLUpstreamSurfaceHook.destroy("+surface.getClass().getSimpleName()+"): "+this);
}
surface.clearUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_SURFACE );
if(upstreamSurface instanceof ProxySurface) {
((ProxySurface)upstreamSurface).destroyNotify();
}
}
@Override
public final int getSurfaceWidth(ProxySurface s) {
return upstreamSurface.getSurfaceWidth();
}
@Override
public final int getSurfaceHeight(ProxySurface s) {
return upstreamSurface.getSurfaceHeight();
}
@Override
public String toString() {
final String us_s = null != upstreamSurface ? ( upstreamSurface.getClass().getName() + ": 0x" + Long.toHexString(upstreamSurface.getSurfaceHandle()) ) : "nil";
return "EGLUpstreamSurfaceHook[ "+ upstreamSurface.getSurfaceWidth() + "x" + upstreamSurface.getSurfaceHeight() + ", " + us_s+ "]";
}
}
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