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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;
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;
}
}
public final NativeSurface getUpstreamSurface() { return upstreamSurface; }
static String getThreadName() { return Thread.currentThread().getName(); }
public final void setSize(int width, int height) {
if(null != upstreamSurfaceHookMutableSize) {
upstreamSurfaceHookMutableSize.setSize(width, height);
}
}
@Override
public final void create(ProxySurface surface) {
final String dbgPrefix;
if(DEBUG) {
dbgPrefix = getThreadName() + ": EGLUpstreamSurfaceHook.create("+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 AbstractGraphicsConfiguration aConfig = upstreamSurface.getGraphicsConfiguration();
final AbstractGraphicsDevice aDevice = aConfig.getScreen().getDevice();
final EGLGraphicsDevice eglDevice;
if( aDevice instanceof EGLGraphicsDevice ) {
eglDevice = (EGLGraphicsDevice) aDevice;
if(DEBUG) {
System.err.println(dbgPrefix+"Reusing eglDevice: "+eglDevice);
}
if(EGL.EGL_NO_DISPLAY == eglDevice.getHandle()) {
eglDevice.open();
isEGLSurfaceValid = false;
surface.addUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_DEVICE );
}
} else {
eglDevice = EGLDisplayUtil.eglCreateEGLGraphicsDevice(upstreamSurface);
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);
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 getWidth(ProxySurface s) {
return upstreamSurface.getWidth();
}
@Override
public final int getHeight(ProxySurface s) {
return upstreamSurface.getHeight();
}
@Override
public String toString() {
final String us_s = null != upstreamSurface ? ( upstreamSurface.getClass().getName() + ": 0x" + Long.toHexString(upstreamSurface.getSurfaceHandle()) ) : "nil";
return "EGLUpstreamSurfaceHook[ "+ upstreamSurface.getWidth() + "x" + upstreamSurface.getHeight() + ", " + us_s+ "]";
}
}
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