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package gl4java.drawable;
import java.lang.reflect.*;
import java.security.*;
import java.awt.*;
import sun.awt.*;
import gl4java.*;
public class X11SunJDK13GLDrawableFactory
extends SunJDK13GLDrawableFactory
{
private static Method getConfigMethod;
static {
try {
getConfigMethod = (Method)
AccessController.doPrivileged(new PrivilegedAction() {
public Object run()
{
try {
return
sun.awt.X11GraphicsConfig.class.
getDeclaredMethod("getConfig",
new Class[]
{ sun.awt.X11GraphicsDevice.class,
Integer.TYPE });
} catch (Exception e) {
if(GLContext.gljClassDebug)
{
System.out.println("GL4Java: MethodNotFound: sun.awt.X11GraphicsConfig::getConfig(Lsun/awt/X11GraphicsDevice;I) as seen in sun's std. jdk1.3 impl.");
System.out.println("GL4Java: trying sun.awt.X11GraphicsConfig::getConfig(Lsun/awt/X11GraphicsDevice;I;Z) as seen in sun's jdk1.4 beta impl.");
}
}
try {
return
sun.awt.X11GraphicsConfig.class.
getDeclaredMethod("getConfig",
new Class[]
{ sun.awt.X11GraphicsDevice.class,
Integer.TYPE,
Boolean.TYPE });
} catch (Exception e) {
if(GLContext.gljClassDebug)
{
System.out.println("GL4Java: MethodNotFound: sun.awt.X11GraphicsConfig::getConfig(Lsun/awt/X11GraphicsDevice;I;Z) as seen in sun's std. jdk1.4 beta impl.");
}
e.printStackTrace();
throw new InternalError(e.toString());
}
}});
getConfigMethod.setAccessible(true);
} catch (Exception e) {
e.printStackTrace();
throw new InternalError(e.toString());
}
}
public X11SunJDK13GLDrawableFactory() { }
public GraphicsConfiguration
getGraphicsConfiguration(GLCapabilities capabilities,
GraphicsDevice device)
{
// glXChooseVisual behaves as we want. We just need to fetch
// the screen and visual ID and call into native code, passing
// in all of the parameters from the GLCapabilities,
X11GraphicsDevice x11Dev = (X11GraphicsDevice) device;
/**
* the X11GraphicsDevice::getDisplay() method is
* no more supported under jdk 1.4.
* also, the glXChooseVisualID native methods
* seeks the screen/display info direct by the XServer...
// From the code, this is ":0.<screen>".
// It looks like the X Display this is associated with is
// acquired via XOpenDisplay(NULL). It doesn't look like it's
// necessary to call X11GraphicsDevice.getDisplay(), though if
// it is, that int return value can be cast to a Display*.
int screen = x11Dev.getScreen();
long display = x11Dev.getDisplay();
int visualID = (int) glXChooseVisualID (screen, display,
capabilities,
GLContext.gljNativeDebug);
*/
int visualID = (int) glXChooseVisualID (capabilities,
GLContext.gljNativeDebug);
capabilities.setNativeVisualID( (long)visualID );
// Check for invalid return value (what will it be?)
// if (visualID invalid) return null;
GraphicsConfiguration gcfg = null;
try {
if(getConfigMethod.getParameterTypes().length==2)
gcfg = (GraphicsConfiguration)
getConfigMethod.invoke(null,
new Object[] { x11Dev, new Integer(visualID)});
else
gcfg = (GraphicsConfiguration)
getConfigMethod.invoke(null,
new Object[] { x11Dev, new Integer(visualID),
new Boolean(capabilities.getDoubleBuffered())});
} catch (Exception e) {
e.printStackTrace();
throw new InternalError(e.toString());
}
return gcfg;
}
// Needs to return an XVisualID which can be wrapped in an
// X11GraphicsConfig object
static native long glXChooseVisualID (GLCapabilities capabilities,
boolean verbose);
}
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