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-rw-r--r--src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java185
1 files changed, 120 insertions, 65 deletions
diff --git a/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java b/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java
index d2dc8f91b..f4e55cd47 100644
--- a/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java
+++ b/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java
@@ -64,8 +64,10 @@ import jogamp.nativewindow.jawt.x11.X11SunJDKReflection;
import jogamp.nativewindow.macosx.OSXUtil;
import jogamp.nativewindow.x11.X11Lib;
+import com.jogamp.common.ExceptionUtils;
import com.jogamp.common.os.Platform;
import com.jogamp.common.util.PropertyAccess;
+import com.jogamp.common.util.UnsafeUtil;
import com.jogamp.common.util.VersionNumber;
import com.jogamp.common.util.locks.LockFactory;
import com.jogamp.common.util.locks.RecursiveLock;
@@ -92,25 +94,30 @@ public class JAWTUtil {
private static final Method isQueueFlusherThread;
private static final boolean j2dExist;
- // Unavailable since Java_9
- // 'illegal reflective access to sun.awt.SunToolkit.awtLock/Unlock'
- private static final Method sunToolkitAWTLockMethod;
- private static final Method sunToolkitAWTUnlockMethod;
- private static final boolean hasSunToolkitAWTLock;
+ private static final Method stkAWTLockMID;
+ private static final Method stkAWTUnlockMID;
+ private static final boolean hasSTKAWTLock;
+ private static final Method stkDisableBackgroundEraseMID;
private static final RecursiveLock jawtLock;
private static final ToolkitLock jawtToolkitLock;
- private static final Method getScaleFactorMethod;
- private static final Method getCGDisplayIDMethodOnOSX;
+ private static final Method gdGetScaleFactorMID;
+ private static final Method gdGetCGDisplayIDMIDOnOSX;
- private static class PrivilegedDataBlob1 {
- PrivilegedDataBlob1() { }
+ private static class SunToolkitData {
+ SunToolkitData() { }
// default initialization to null, false
- Method sunToolkitAWTLockMethod;
- Method sunToolkitAWTUnlockMethod;
- Method getScaleFactorMethod;
- Method getCGDisplayIDMethodOnOSX;
+ Method awtLockMID;
+ Method awtUnlockMID;
+ Method disableBackgroundEraseMID;
+ boolean ok;
+ }
+ private static class GraphicsDeviceData {
+ GraphicsDeviceData() { }
+ // default initialization to null, false
+ Method getScaleFactorMID;
+ Method getCGDisplayIDMIDOnOSX;
boolean ok;
}
@@ -326,11 +333,12 @@ public class JAWTUtil {
jawtLockObject = null;
isQueueFlusherThread = null;
j2dExist = false;
- sunToolkitAWTLockMethod = null;
- sunToolkitAWTUnlockMethod = null;
- hasSunToolkitAWTLock = false;
- getScaleFactorMethod = null;
- getCGDisplayIDMethodOnOSX = null;
+ stkAWTLockMID = null;
+ stkAWTUnlockMID = null;
+ hasSTKAWTLock = false;
+ stkDisableBackgroundEraseMID = null;
+ gdGetScaleFactorMID = null;
+ gdGetCGDisplayIDMIDOnOSX = null;
} else {
// Non-headless case
JAWTJNILibLoader.initSingleton(); // load libjawt.so
@@ -351,54 +359,77 @@ public class JAWTUtil {
isQueueFlusherThread = isQueueFlusherThreadTmp;
j2dExist = j2dExistTmp;
+ // Always enforce using sun.awt.SunToolkit's awtLock even on JVM >= Java_9,
+ // as we have no other official means to synchronize native UI locks especially for X11
+ {
+ final SunToolkitData std = AccessController.doPrivileged(new PrivilegedAction<SunToolkitData>() {
+ @Override
+ public SunToolkitData run() {
+ return UnsafeUtil.doWithoutIllegalAccessLogger(new PrivilegedAction<SunToolkitData>() {
+ @Override
+ public SunToolkitData run() {
+ final SunToolkitData d = new SunToolkitData();
+ try {
+ final Class<?> sunToolkitClass = Class.forName("sun.awt.SunToolkit");
+ d.awtLockMID = sunToolkitClass.getDeclaredMethod("awtLock");
+ d.awtLockMID.setAccessible(true);
+ d.awtUnlockMID = sunToolkitClass.getDeclaredMethod("awtUnlock");
+ d.awtUnlockMID.setAccessible(true);
+ d.disableBackgroundEraseMID = sunToolkitClass.getDeclaredMethod("disableBackgroundErase", java.awt.Component.class);
+ d.disableBackgroundEraseMID.setAccessible(true);
+ d.ok=true;
+ } catch (final Exception e) {
+ // Either not a Sun JDK or the interfaces have changed since [Java 1.4.2 / 1.5 -> Java 11]
+ if(DEBUG) {
+ System.err.println("JAWTUtil stk.0: "+e.getMessage());
+ }
+ }
+ return d;
+ }}); }});
+ stkAWTLockMID = std.awtLockMID;
+ stkAWTUnlockMID = std.awtUnlockMID;
+ stkDisableBackgroundEraseMID = std.disableBackgroundEraseMID;
+ boolean _hasSunToolkitAWTLock = false;
+ if ( std.ok ) {
+ try {
+ stkAWTLockMID.invoke(null, (Object[])null);
+ stkAWTUnlockMID.invoke(null, (Object[])null);
+ _hasSunToolkitAWTLock = true;
+ } catch (final Exception e) {
+ if(DEBUG) {
+ System.err.println("JAWTUtil stk.awtLock.1: "+e.getMessage());
+ }
+ }
+ }
+ hasSTKAWTLock = _hasSunToolkitAWTLock;
+ }
if( PlatformPropsImpl.JAVA_9 ) {
- sunToolkitAWTLockMethod = null;
- sunToolkitAWTUnlockMethod = null;
- getScaleFactorMethod = null;
- getCGDisplayIDMethodOnOSX = null;
- hasSunToolkitAWTLock = false;
+ gdGetScaleFactorMID = null;
+ gdGetCGDisplayIDMIDOnOSX = null;
} else {
- final PrivilegedDataBlob1 pdb1 = (PrivilegedDataBlob1) AccessController.doPrivileged(new PrivilegedAction<Object>() {
+ final GraphicsDeviceData gdd = (GraphicsDeviceData) AccessController.doPrivileged(new PrivilegedAction<Object>() {
@Override
public Object run() {
- final PrivilegedDataBlob1 d = new PrivilegedDataBlob1();
- try {
- final Class<?> sunToolkitClass = Class.forName("sun.awt.SunToolkit");
- d.sunToolkitAWTLockMethod = sunToolkitClass.getDeclaredMethod("awtLock", new Class[]{});
- d.sunToolkitAWTLockMethod.setAccessible(true);
- d.sunToolkitAWTUnlockMethod = sunToolkitClass.getDeclaredMethod("awtUnlock", new Class[]{});
- d.sunToolkitAWTUnlockMethod.setAccessible(true);
- d.ok=true;
- } catch (final Exception e) {
- // Either not a Sun JDK or the interfaces have changed since 1.4.2 / 1.5
- }
+ final GraphicsDeviceData d = new GraphicsDeviceData();
try {
final GraphicsDevice gd = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
final Class<?> gdClass = gd.getClass();
- d.getScaleFactorMethod = gdClass.getDeclaredMethod("getScaleFactor");
- d.getScaleFactorMethod.setAccessible(true);
+ d.getScaleFactorMID = gdClass.getDeclaredMethod("getScaleFactor");
+ d.getScaleFactorMID.setAccessible(true);
if( Platform.OSType.MACOS == PlatformPropsImpl.OS_TYPE ) {
- d.getCGDisplayIDMethodOnOSX = gdClass.getDeclaredMethod("getCGDisplayID");
- d.getCGDisplayIDMethodOnOSX.setAccessible(true);
+ d.getCGDisplayIDMIDOnOSX = gdClass.getDeclaredMethod("getCGDisplayID");
+ d.getCGDisplayIDMIDOnOSX.setAccessible(true);
}
- } catch (final Throwable t) {}
+ } catch (final Throwable t) {
+ if(DEBUG) {
+ System.err.println("JAWTUtil scaleFactor: "+t.getMessage());
+ }
+ }
return d;
}
});
- sunToolkitAWTLockMethod = pdb1.sunToolkitAWTLockMethod;
- sunToolkitAWTUnlockMethod = pdb1.sunToolkitAWTUnlockMethod;
- getScaleFactorMethod = pdb1.getScaleFactorMethod;
- getCGDisplayIDMethodOnOSX = pdb1.getCGDisplayIDMethodOnOSX;
- boolean _hasSunToolkitAWTLock = false;
- if ( pdb1.ok ) {
- try {
- sunToolkitAWTLockMethod.invoke(null, (Object[])null);
- sunToolkitAWTUnlockMethod.invoke(null, (Object[])null);
- _hasSunToolkitAWTLock = true;
- } catch (final Exception e) {
- }
- }
- hasSunToolkitAWTLock = _hasSunToolkitAWTLock;
+ gdGetScaleFactorMID = gdd.getScaleFactorMID;
+ gdGetCGDisplayIDMIDOnOSX = gdd.getCGDisplayIDMIDOnOSX;
}
}
@@ -452,7 +483,7 @@ public class JAWTUtil {
}
if (DEBUG) {
- System.err.println("JAWTUtil: Has sun.awt.SunToolkit.awtLock/awtUnlock " + hasSunToolkitAWTLock);
+ System.err.println("JAWTUtil: Has sun.awt.SunToolkit: awtLock/awtUnlock " + hasSTKAWTLock + ", disableBackgroundErase "+(null!=stkDisableBackgroundEraseMID));
System.err.println("JAWTUtil: Has Java2D " + j2dExist);
System.err.println("JAWTUtil: Is headless " + headlessMode);
final int hints = ( null != desktophints ) ? desktophints.size() : 0 ;
@@ -506,9 +537,9 @@ public class JAWTUtil {
jawtLock.lock();
if( 1 == jawtLock.getHoldCount() ) {
if(!headlessMode && !isJava2DQueueFlusherThread()) {
- if(hasSunToolkitAWTLock) {
+ if(hasSTKAWTLock) {
try {
- sunToolkitAWTLockMethod.invoke(null, (Object[])null);
+ stkAWTLockMID.invoke(null, (Object[])null);
} catch (final Exception e) {
throw new NativeWindowException("SunToolkit.awtLock failed", e);
}
@@ -535,9 +566,9 @@ public class JAWTUtil {
if(ToolkitLock.TRACE_LOCK) { System.err.println("JAWTUtil-ToolkitLock.unlock(): "+jawtLock); }
if( 1 == jawtLock.getHoldCount() ) {
if(!headlessMode && !isJava2DQueueFlusherThread()) {
- if(hasSunToolkitAWTLock) {
+ if(hasSTKAWTLock) {
try {
- sunToolkitAWTUnlockMethod.invoke(null, (Object[])null);
+ stkAWTUnlockMID.invoke(null, (Object[])null);
} catch (final Exception e) {
throw new NativeWindowException("SunToolkit.awtUnlock failed", e);
}
@@ -558,6 +589,30 @@ public class JAWTUtil {
}
/**
+ * Calls {@code sun.awt.SunToolkit.disableBackgroundErase(Component component)} if available.
+ * <p>
+ * Disables the AWT's erasing of the given native Component's background since Java SE 6.
+ * This feature can also be enabled by setting the system property
+ * {@code sun.awt.noerasebackground} = {@code true}.
+ * </p>
+ * @param component
+ * @return {@code true} if available and successful, otherwise {@code false}
+ */
+ public static boolean disableBackgroundErase(final java.awt.Component component) {
+ if( null != stkDisableBackgroundEraseMID ) {
+ try {
+ stkDisableBackgroundEraseMID.invoke(component.getToolkit(), component);
+ return true;
+ } catch (final Exception e) {
+ if( DEBUG ) {
+ ExceptionUtils.dumpThrowable("JAWTUtil", e);
+ }
+ }
+ }
+ return false;
+ }
+
+ /**
* Queries the Monitor's display ID of the given device
* <p>
* Currently only supported for OSX on Java<9
@@ -566,10 +621,10 @@ public class JAWTUtil {
* @return {@code null} if not supported (Java9+ or !OSX), otherwise the monitor displayID
*/
public static final Integer getMonitorDisplayID(final GraphicsDevice device) {
- if( null != getCGDisplayIDMethodOnOSX ) {
+ if( null != gdGetCGDisplayIDMIDOnOSX ) {
// OSX specific for Java<9
try {
- final Object res = getCGDisplayIDMethodOnOSX.invoke(device);
+ final Object res = gdGetCGDisplayIDMIDOnOSX.invoke(device);
if (res instanceof Integer) {
return (Integer)res;
}
@@ -602,10 +657,10 @@ public class JAWTUtil {
float sy = 1f;
boolean gotSXZ = false;
if( !SKIP_AWT_HIDPI ) {
- if( null != getCGDisplayIDMethodOnOSX ) {
+ if( null != gdGetCGDisplayIDMIDOnOSX ) {
// OSX specific for Java<9, preserving double type
try {
- final Object res = getCGDisplayIDMethodOnOSX.invoke(device);
+ final Object res = gdGetCGDisplayIDMIDOnOSX.invoke(device);
if (res instanceof Integer) {
final int displayID = ((Integer)res).intValue();
sx = OSXUtil.GetScreenPixelScaleByDisplayID(displayID);
@@ -614,10 +669,10 @@ public class JAWTUtil {
}
} catch (final Throwable t) {}
}
- if( !gotSXZ && null != getScaleFactorMethod ) {
+ if( !gotSXZ && null != gdGetScaleFactorMID ) {
// Generic for Java<9
try {
- final Object res = getScaleFactorMethod.invoke(device);
+ final Object res = gdGetScaleFactorMID.invoke(device);
if (res instanceof Integer) {
sx = ((Integer)res).floatValue();
} else if ( res instanceof Double) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 11:29:49 +0000