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/**
* 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 java.net.URLConnection;
import java.nio.Buffer;
import java.nio.ByteBuffer;
import com.jogamp.nativewindow.AbstractGraphicsDevice;
import com.jogamp.nativewindow.NativeWindowException;
import com.jogamp.nativewindow.util.PixelFormat;
import com.jogamp.common.nio.Buffers;
import com.jogamp.common.util.IOUtil;
import com.jogamp.opengl.egl.EGL;
import com.jogamp.opengl.util.PNGPixelRect;
import jogamp.newt.DisplayImpl;
import jogamp.newt.NEWTJNILibLoader;
import jogamp.newt.PointerIconImpl;
import jogamp.newt.driver.linux.LinuxMouseTracker;
import jogamp.opengl.egl.EGLDisplayUtil;
public class DisplayDriver extends DisplayImpl {
static final PNGPixelRect defaultPointerIconImage;
static {
NEWTJNILibLoader.loadNEWT();
if (!DisplayDriver.initIDs()) {
throw new NativeWindowException("Failed to initialize bcm.vc.iv Display jmethodIDs");
}
if (!ScreenDriver.initIDs()) {
throw new NativeWindowException("Failed to initialize bcm.vc.iv Screen jmethodIDs");
}
if (!WindowDriver.initIDs()) {
throw new NativeWindowException("Failed to initialize bcm.vc.iv Window jmethodIDs");
}
PNGPixelRect image = null;
if( DisplayImpl.isPNGUtilAvailable() ) {
final IOUtil.ClassResources res = new IOUtil.ClassResources(DisplayDriver.class, new String[] { "newt/data/pointer-grey-alpha-16x24.png" } );
try {
final URLConnection urlConn = res.resolve(0);
image = PNGPixelRect.read(urlConn.getInputStream(), PixelFormat.BGRA8888, false /* directBuffer */, 0 /* destMinStrideInBytes */, false /* destIsGLOriented */);
} catch (final Exception e) {
e.printStackTrace();
}
}
defaultPointerIconImage = image;
}
public static void initSingleton() {
// just exist to ensure static init has been run
}
public DisplayDriver() {
bcmHandle = 0;
activePointerIcon = 0;
activePointerIconVisible = false;
}
@Override
protected void createNativeImpl() {
// FIXME: map name to EGL_*_DISPLAY
bcmHandle = OpenBCMDisplay0();
aDevice = EGLDisplayUtil.eglCreateEGLGraphicsDevice(EGL.EGL_DEFAULT_DISPLAY, AbstractGraphicsDevice.DEFAULT_CONNECTION, AbstractGraphicsDevice.DEFAULT_UNIT);
aDevice.open();
defaultPointerIcon = (PointerIconImpl) createPointerIcon(defaultPointerIconImage, 0, 0);
if( DEBUG_POINTER_ICON ) {
System.err.println("Display.PointerIcon.createDefault: "+defaultPointerIcon);
}
if( null != defaultPointerIcon ) {
final LinuxMouseTracker lmt = LinuxMouseTracker.getSingleton();
setPointerIconActive(defaultPointerIcon.getHandle(), lmt.getLastX(), lmt.getLastY());
}
}
private PointerIconImpl defaultPointerIcon = null;
@Override
protected void closeNativeImpl(final AbstractGraphicsDevice aDevice) {
aDevice.close();
CloseBCMDisplay0(bcmHandle);
bcmHandle = 0;
}
/* pp */ final long getBCMHandle() { return bcmHandle; }
@Override
protected void dispatchMessagesNative() {
DispatchMessages0();
}
// @Override
// public final PixelFormat getNativePointerIconPixelFormat() { return PixelFormat.BGRA8888; }
@Override
protected final long createPointerIconImpl(final PixelFormat pixelformat, final int width, final int height, final ByteBuffer pixels, final int hotX, final int hotY) {
return CreatePointerIcon(bcmHandle, pixels, width, height, hotX, hotY);
}
@Override
protected final void destroyPointerIconImpl(final long displayHandle, final long piHandle) {
DestroyPointerIcon0(piHandle);
}
/* pp */ void setPointerIconActive(long piHandle, final int x, final int y) {
synchronized(pointerIconSync) {
if( DEBUG_POINTER_ICON ) {
System.err.println("Display.PointerIcon.set.0: active ["+toHexString(activePointerIcon)+", visible "+activePointerIconVisible+"] -> "+toHexString(piHandle));
}
if( 0 != activePointerIcon && activePointerIconVisible ) {
SetPointerIcon0(bcmHandle, activePointerIcon, false, x, y);
}
if( 0 == piHandle && null != defaultPointerIcon ) {
piHandle = defaultPointerIcon.getHandle();
}
if( 0 != piHandle ) {
SetPointerIcon0(bcmHandle, piHandle, true, x, y);
activePointerIconVisible = true;
} else {
activePointerIconVisible = false;
}
activePointerIcon = piHandle;
if( DEBUG_POINTER_ICON ) {
System.err.println("Display.PointerIcon.set.X: active ["+toHexString(activePointerIcon)+", visible "+activePointerIconVisible+"]");
}
}
}
/* pp */ void setActivePointerIconVisible(final boolean visible, final int x, final int y) {
synchronized(pointerIconSync) {
if( DEBUG_POINTER_ICON ) {
System.err.println("Display.PointerIcon.visible: active ["+toHexString(activePointerIcon)+", visible "+activePointerIconVisible+"] -> visible "+visible);
}
if( activePointerIconVisible != visible ) {
if( 0 != activePointerIcon ) {
SetPointerIcon0(bcmHandle, activePointerIcon, visible, x, y);
}
activePointerIconVisible = visible;
}
}
}
/* pp */ void moveActivePointerIcon(final int x, final int y) {
synchronized(pointerIconSync) {
if( DEBUG_POINTER_ICON ) {
System.err.println("Display.PointerIcon.move: active ["+toHexString(activePointerIcon)+", visible "+activePointerIconVisible+"], "+x+"/"+y);
}
if( 0 != activePointerIcon && activePointerIconVisible ) {
MovePointerIcon0(activePointerIcon, x, y);
}
}
}
//----------------------------------------------------------------------
// Internals only
//
protected static native boolean initIDs();
private static native long OpenBCMDisplay0();
private static native void CloseBCMDisplay0(long handle);
private static long CreatePointerIcon(final long bcmHandle, final Buffer pixels, final int width, final int height, final int hotX, final int hotY) {
final boolean pixels_is_direct = Buffers.isDirect(pixels);
return CreatePointerIcon0(pixels_is_direct ? pixels : Buffers.getArray(pixels),
pixels_is_direct ? Buffers.getDirectBufferByteOffset(pixels) : Buffers.getIndirectBufferByteOffset(pixels),
pixels_is_direct,
width, height, hotX, hotY);
}
private static native long CreatePointerIcon0(Object pixels, int pixels_byte_offset, boolean pixels_is_direct, int width, int height, int hotX, int hotY);
private static native void DestroyPointerIcon0(long handle);
private static native void SetPointerIcon0(long bcmHandle, long handle, boolean enable, int x, int y);
private static native void MovePointerIcon0(long handle, int x, int y);
private static native void DispatchMessages0();
private long bcmHandle;
private long activePointerIcon;
private boolean activePointerIconVisible;
private final Object pointerIconSync = new Object();
}
