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Java™ Binding for the OpenGL® API
/**
* Copyright 2012 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:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions 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.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package jogamp.newt.driver.bcm.vc.iv;
import javax.media.nativewindow.AbstractGraphicsConfiguration;
import javax.media.nativewindow.AbstractGraphicsScreen;
import javax.media.nativewindow.Capabilities;
import javax.media.nativewindow.DefaultGraphicsScreen;
import javax.media.nativewindow.GraphicsConfigurationFactory;
import javax.media.nativewindow.NativeWindowException;
import javax.media.nativewindow.VisualIDHolder;
import javax.media.nativewindow.util.Insets;
import javax.media.nativewindow.util.Point;
import com.jogamp.common.util.IntBitfield;
import com.jogamp.nativewindow.egl.EGLGraphicsDevice;
import com.jogamp.newt.event.MouseEvent;
import jogamp.newt.PointerIconImpl;
import jogamp.newt.WindowImpl;
import jogamp.newt.driver.linux.LinuxEventDeviceTracker;
import jogamp.newt.driver.linux.LinuxMouseTracker;
import jogamp.opengl.egl.EGLDisplayUtil;
public class WindowDriver extends WindowImpl {
private static final String WINDOW_CLASS_NAME = "NewtWindow";
static {
DisplayDriver.initSingleton();
}
public WindowDriver() {
linuxMouseTracker = LinuxMouseTracker.getSingleton();
linuxEventDeviceTracker = LinuxEventDeviceTracker.getSingleton();
layer = -1;
nativeWindowHandle = 0;
windowHandleClose = 0;
}
@Override
protected void createNativeImpl() {
if(0!=getParentWindowHandle()) {
throw new RuntimeException("Window parenting not supported (yet)");
}
synchronized( layerSync ) {
if( layerCount >= MAX_LAYERS ) {
throw new RuntimeException("Max windows reached: "+layerCount+" ( "+MAX_LAYERS+" )");
}
for(int i=0; 0 > layer && i layer ) {
throw new InternalError("Could not find a free layer: count "+layerCount+", max "+MAX_LAYERS);
}
final ScreenDriver screen = (ScreenDriver) getScreen();
final DisplayDriver display = (DisplayDriver) screen.getDisplay();
// Create own screen/device resource instance allowing independent ownership,
// while still utilizing shared EGL resources.
final AbstractGraphicsScreen aScreen = screen.getGraphicsScreen();
final EGLGraphicsDevice aDevice = (EGLGraphicsDevice) aScreen.getDevice();
final EGLGraphicsDevice eglDevice = EGLDisplayUtil.eglCreateEGLGraphicsDevice(aDevice.getNativeDisplayID(), aDevice.getConnection(), aDevice.getUnitID());
eglDevice.open();
final DefaultGraphicsScreen eglScreen = new DefaultGraphicsScreen(eglDevice, aScreen.getIndex());
final AbstractGraphicsConfiguration cfg = GraphicsConfigurationFactory.getFactory(getScreen().getDisplay().getGraphicsDevice(), capsRequested).chooseGraphicsConfiguration(
capsRequested, capsRequested, capabilitiesChooser, eglScreen, VisualIDHolder.VID_UNDEFINED);
if (null == cfg) {
throw new NativeWindowException("Error choosing GraphicsConfiguration creating window: "+this);
}
final Capabilities chosenCaps = (Capabilities) cfg.getChosenCapabilities();
// FIXME: Pass along opaque flag, since EGL doesn't determine it
if(capsRequested.isBackgroundOpaque() != chosenCaps.isBackgroundOpaque()) {
chosenCaps.setBackgroundOpaque(capsRequested.isBackgroundOpaque());
}
setGraphicsConfiguration(cfg);
nativeWindowHandle = CreateWindow0(display.getBCMHandle(), layer, getX(), getY(), getWidth(), getHeight(),
chosenCaps.isBackgroundOpaque(), chosenCaps.getAlphaBits());
if (nativeWindowHandle == 0) {
throw new NativeWindowException("Error creating egl window: "+cfg);
}
setWindowHandle(nativeWindowHandle);
if (0 == getWindowHandle()) {
throw new NativeWindowException("Error native Window Handle is null");
}
windowHandleClose = nativeWindowHandle;
addWindowListener(linuxEventDeviceTracker);
addWindowListener(linuxMouseTracker);
focusChanged(false, true);
}
@Override
protected void closeNativeImpl() {
final DisplayDriver display = (DisplayDriver) getScreen().getDisplay();
final EGLGraphicsDevice eglDevice = (EGLGraphicsDevice) getGraphicsConfiguration().getScreen().getDevice();
removeWindowListener(linuxMouseTracker);
removeWindowListener(linuxEventDeviceTracker);
if(0!=windowHandleClose) {
CloseWindow0(display.getBCMHandle(), windowHandleClose);
}
eglDevice.close();
synchronized( layerSync ) {
usedLayers.put(layer, false);
layerCount--;
layer = -1;
// System.err.println("XXX.Close capacity "+usedLayers.capacity()+", count "+usedLayers.getBitCount());
}
}
@Override
protected void requestFocusImpl(boolean reparented) {
focusChanged(false, true);
}
@Override
protected boolean reconfigureWindowImpl(int x, int y, int width, int height, int flags) {
reconfigure0(nativeWindowHandle, x, y, width, height, flags);
return true;
}
@Override
protected Point getLocationOnScreenImpl(int x, int y) {
return new Point(x,y);
}
@Override
protected void updateInsetsImpl(Insets insets) {
// nop ..
}
@Override
public final void sendMouseEvent(final short eventType, final int modifiers,
final int x, final int y, final short button, final float rotation) {
if( MouseEvent.EVENT_MOUSE_MOVED == eventType ) {
final DisplayDriver display = (DisplayDriver) getScreen().getDisplay();
display.moveActivePointerIcon(x, y);
}
super.sendMouseEvent(eventType, modifiers, x, y, button, rotation);
}
@Override
protected void setPointerIconImpl(final PointerIconImpl pi) {
final DisplayDriver display = (DisplayDriver) getScreen().getDisplay();
display.setPointerIconActive(null != pi ? pi.validatedHandle() : 0, linuxMouseTracker.getLastX(), linuxMouseTracker.getLastY());
}
@Override
protected boolean setPointerVisibleImpl(final boolean pointerVisible) {
final DisplayDriver display = (DisplayDriver) getScreen().getDisplay();
display.setActivePointerIconVisible(pointerVisible, linuxMouseTracker.getLastX(), linuxMouseTracker.getLastY());
return true;
}
//----------------------------------------------------------------------
// Internals only
//
private final LinuxMouseTracker linuxMouseTracker;
private final LinuxEventDeviceTracker linuxEventDeviceTracker;
protected static native boolean initIDs();
private native long CreateWindow0(long bcmDisplay, int layer, int x, int y, int width, int height, boolean opaque, int alphaBits);
private native void CloseWindow0(long bcmDisplay, long eglWindowHandle);
private native void reconfigure0(long eglWindowHandle, int x, int y, int width, int height, int flags);
private int layer;
private long nativeWindowHandle;
private long windowHandleClose;
private static int nextLayer = 0;
private static int layerCount = 0;
private static final int MAX_LAYERS = 32;
private static final IntBitfield usedLayers = new IntBitfield(MAX_LAYERS);
private static final Object layerSync = new Object();
}
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