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java.lang.Objectjava.awt.Component
java.awt.Canvas
javax.media.opengl.awt.GLCanvas
public class GLCanvas
A heavyweight AWT component which provides OpenGL rendering
support. This is the primary implementation of an AWT GLDrawable;
GLJPanel is provided for compatibility with Swing user
interfaces when adding a heavyweight doesn't work either because
of Z-ordering or LayoutManager problems.
setShallUseOffscreenLayer(true)
maybe called to use an offscreen drawable (FBO or PBuffer) allowing
the underlying JAWT mechanism to composite the image, if supported.
setShallUseOffscreenLayer(true)
is being called if CapabilitiesImmutable.isOnscreen() is false.
sun.java2d.opengl=false
sun.java2d.noddraw=true
GLProfile.GL2, eg. using GLProfile#getMaxFixedFunc().sun.java2d.opengl=true
sun.java2d.noddraw=true
Toolkit method disableBeackgroundErase(java.awt.Canvas).sun.awt.noerasebackground=true
| Nested Class Summary |
|---|
| Nested classes/interfaces inherited from class java.awt.Component |
|---|
Component.BaselineResizeBehavior |
| Nested classes/interfaces inherited from interface javax.media.nativewindow.WindowClosingProtocol |
|---|
WindowClosingProtocol.WindowClosingMode |
| Field Summary |
|---|
| Fields inherited from class java.awt.Component |
|---|
BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT |
| Fields inherited from interface javax.media.opengl.GLAutoDrawable |
|---|
SCREEN_CHANGE_ACTION_ENABLED |
| Fields inherited from interface java.awt.image.ImageObserver |
|---|
ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH |
| Constructor Summary | |
|---|---|
GLCanvas()
Creates a new GLCanvas component with a default set of OpenGL capabilities, using the default OpenGL capabilities selection mechanism, on the default screen device. |
|
GLCanvas(GLCapabilitiesImmutable capsReqUser)
Creates a new GLCanvas component with the requested set of OpenGL capabilities, using the default OpenGL capabilities selection mechanism, on the default screen device. |
|
GLCanvas(GLCapabilitiesImmutable capsReqUser,
GLCapabilitiesChooser chooser,
GLContext shareWith,
GraphicsDevice device)
Creates a new GLCanvas component. |
|
GLCanvas(GLCapabilitiesImmutable capsReqUser,
GLContext shareWith)
Creates a new GLCanvas component with the requested set of OpenGL capabilities, using the default OpenGL capabilities selection mechanism, on the default screen device. |
|
| Method Summary | |
|---|---|
void |
addGLEventListener(GLEventListener listener)
Adds the given listener to the end of this drawable queue. |
void |
addGLEventListener(int index,
GLEventListener listener)
Adds the given listener at the given index of this drawable queue. |
void |
addNotify()
Overridden to track when this component is added to a container. |
GLContext |
createContext(GLContext shareWith)
Creates a new context for drawing to this drawable that will optionally share display lists and other server-side OpenGL objects with the specified GLContext. |
void |
destroy()
Destroys all resources associated with this GLAutoDrawable, inclusive the GLContext. |
void |
display()
Causes OpenGL rendering to be performed for this GLAutoDrawable in the following order: Calling display(..) for all
registered GLEventListeners. |
GLEventListener |
disposeGLEventListener(GLEventListener listener,
boolean remove)
Disposes the given listener via dispose(..)
if it has been initialized and added to this queue. |
GLAnimatorControl |
getAnimator()
|
boolean |
getAutoSwapBufferMode()
Indicates whether automatic buffer swapping is enabled for this drawable. |
GLCapabilitiesImmutable |
getChosenGLCapabilities()
Fetches the GLCapabilitiesImmutable corresponding to the chosen
OpenGL capabilities (pixel format / visual / GLProfile) for this drawable.On some platforms, the pixel format is not directly associated with the drawable; a best attempt is made to return a reasonable value in this case. |
GLContext |
getContext()
Returns the context associated with this drawable. |
int |
getContextCreationFlags()
|
WindowClosingProtocol.WindowClosingMode |
getDefaultCloseOperation()
|
GLDrawable |
getDelegatedDrawable()
If the implementation uses delegation, return the delegated GLDrawable instance,
otherwise return this instance. |
GLDrawableFactory |
getFactory()
Return the GLDrawableFactory being used to create this instance. |
GL |
getGL()
Returns the GL pipeline object this GLAutoDrawable uses. |
GLEventListener |
getGLEventListener(int index)
Returns the GLEventListener at the given index of this drawable queue. |
int |
getGLEventListenerCount()
Returns the number of GLEventListener of this drawable queue. |
boolean |
getGLEventListenerInitState(GLEventListener listener)
Retrieves whether the given listener is initialized or not. |
GLProfile |
getGLProfile()
Fetches the GLProfile for this drawable. |
GraphicsConfiguration |
getGraphicsConfiguration()
Overridden to choose a GraphicsConfiguration on a parent container's GraphicsDevice because both devices |
long |
getHandle()
This is the GL/Windowing drawable handle. It is usually the NativeSurface.getSurfaceHandle(),
ie the native surface handle of the underlying windowing toolkit.However, on X11/GLX this reflects a GLXDrawable, which represents a GLXWindow, GLXPixmap, or GLXPbuffer. On EGL, this represents the EGLSurface. |
NativeSurface |
getNativeSurface()
Returns the underlying native surface which surface handle represents this OpenGL drawable's native resource. |
GLCapabilitiesImmutable |
getRequestedGLCapabilities()
|
boolean |
getShallUseOffscreenLayer()
|
Object |
getUpstreamWidget()
Method may return the upstream UI toolkit object holding this GLAutoDrawable instance, if exist. |
boolean |
invoke(boolean wait,
GLRunnable glRunnable)
Enqueues a one-shot GLRunnable,
which will be executed within the next GLAutoDrawable.display() call
after all registered GLEventListeners
display(GLAutoDrawable)
methods has been called. |
boolean |
invoke(boolean wait,
List<GLRunnable> glRunnables)
Extends GLAutoDrawable.invoke(boolean, GLRunnable) functionality
allowing to inject a list of GLRunnables. |
boolean |
isOffscreenLayerSurfaceEnabled()
|
boolean |
isRealized()
|
static void |
main(String[] args)
A most simple JOGL AWT test entry |
void |
paint(Graphics g)
Overridden to cause OpenGL rendering to be performed during repaint cycles. |
GLEventListener |
removeGLEventListener(GLEventListener listener)
Removes the given listener from this drawable queue. |
void |
removeNotify()
Overridden to track when this component is removed from a container. |
void |
reshape(int x,
int y,
int width,
int height)
Overridden to cause GLDrawableHelper.reshape(javax.media.opengl.GLEventListener, javax.media.opengl.GLAutoDrawable, int, int, int, int, boolean, boolean) to be
called on all registered GLEventListeners. |
void |
setAnimator(GLAnimatorControl animatorControl)
Registers the usage of an animator, an GLAnimatorControl implementation. |
void |
setAutoSwapBufferMode(boolean onOrOff)
Enables or disables automatic buffer swapping for this drawable. |
GLContext |
setContext(GLContext newCtx)
Associate a new context to this drawable and also propagates the context/drawable switch by calling newCtx.setGLDrawable(drawable, true);. |
void |
setContextCreationFlags(int flags)
|
WindowClosingProtocol.WindowClosingMode |
setDefaultCloseOperation(WindowClosingProtocol.WindowClosingMode op)
|
GL |
setGL(GL gl)
Sets the GL pipeline object this GLAutoDrawable uses. |
void |
setGLEventListenerInitState(GLEventListener listener,
boolean initialized)
Sets the given listener's initialized state. |
void |
setRealized(boolean realized)
Indicates to on-screen GLDrawable implementations whether the underlying window has been created and can be drawn into. |
void |
setShallUseOffscreenLayer(boolean v)
|
void |
swapBuffers()
Swaps the front and back buffers of this drawable. |
String |
toString()
|
void |
update(Graphics g)
Overridden from Canvas to prevent the AWT's clearing of the canvas from interfering with the OpenGL rendering. |
| Methods inherited from class java.awt.Canvas |
|---|
createBufferStrategy, createBufferStrategy, getAccessibleContext, getBufferStrategy |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Methods inherited from interface javax.media.opengl.awt.AWTGLAutoDrawable |
|---|
repaint, setSize |
| Methods inherited from interface javax.media.opengl.GLDrawable |
|---|
getHeight, getWidth |
| Constructor Detail |
|---|
public GLCanvas()
throws GLException
GLException - if no default profile is available for the default desktop device.
public GLCanvas(GLCapabilitiesImmutable capsReqUser)
throws GLException
GLException - if no GLCapabilities are given and no default profile is available for the default desktop device.GLCanvas(javax.media.opengl.GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesChooser, javax.media.opengl.GLContext, java.awt.GraphicsDevice)
public GLCanvas(GLCapabilitiesImmutable capsReqUser,
GLContext shareWith)
throws GLException
GLException - if no GLCapabilities are given and no default profile is available for the default desktop device.GLCanvas(javax.media.opengl.GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesChooser, javax.media.opengl.GLContext, java.awt.GraphicsDevice)
public GLCanvas(GLCapabilitiesImmutable capsReqUser,
GLCapabilitiesChooser chooser,
GLContext shareWith,
GraphicsDevice device)
throws GLException
GLException - if no GLCapabilities are given and no default profile is available for the default desktop device.| Method Detail |
|---|
public final Object getUpstreamWidget()
GLAutoDrawableGLAutoDrawable instance, if exist.
Currently known Java UI toolkits and it's known return types are:
| Toolkit | GLAutoDrawable Implementation | ~ | Return Type of getUpstreamWidget() |
| NEWT | com.jogamp.newt.opengl.GLWindow | has a | com.jogamp.newt.Window |
| SWT | com.jogamp.opengl.swt.GLCanvas | is a | org.eclipse.swt.widgets.Canvas |
| AWT | GLCanvas | is a | Canvas |
| AWT | GLJPanel | is a | JPanel |
This method may also return null if no UI toolkit is being used,
as common for offscreen rendering.
getUpstreamWidget in interface GLAutoDrawablepublic void setShallUseOffscreenLayer(boolean v)
setShallUseOffscreenLayer in interface OffscreenLayerOptionpublic final boolean getShallUseOffscreenLayer()
getShallUseOffscreenLayer in interface OffscreenLayerOptionpublic final boolean isOffscreenLayerSurfaceEnabled()
isOffscreenLayerSurfaceEnabled in interface OffscreenLayerOptionpublic GraphicsConfiguration getGraphicsConfiguration()
getGraphicsConfiguration in class Componentpublic GLContext createContext(GLContext shareWith)
GLAutoDrawable
The GLContext share need not be associated with this
GLDrawable and may be null if sharing of display lists and other
objects is not desired. See the note in the overview
documentation on
context sharing.
This GLAutoDrawable implementation holds it's own GLContext reference,
thus created a GLContext using this methods won't replace it implicitly.
To replace or set this GLAutoDrawable's GLContext you need to call GLAutoDrawable.setContext(GLContext).
The GLAutoDrawable implementation shall also set the
context creation flags as customized w/ GLAutoDrawable.setContextCreationFlags(int).
createContext in interface GLAutoDrawablecreateContext in interface GLDrawablepublic void setRealized(boolean realized)
GLDrawablesetRealized on a GLCanvas, a GLJPanel, or a
GLPbuffer, as these perform the appropriate calls on their
underlying GLDrawables internally.
Developers implementing new OpenGL components for various window
toolkits need to call this method against GLDrawables obtained
from the GLDrawableFactory via the GLDrawableFactory.getGLDrawable() method. It must typically be
called with an argument of true when the component
associated with the GLDrawable is realized and with an argument
of false just before the component is unrealized.
For the AWT, this means calling setRealized(true) in
the addNotify method and with an argument of
false in the removeNotify method.
GLDrawable implementations should handle multiple
cycles of setRealized(true) /
setRealized(false) calls. Most, if not all, Java
window toolkits have a persistent object associated with a given
component, regardless of whether that component is currently
realized. The GLDrawable object associated with a
particular component is intended to be similarly persistent. A
GLDrawable is intended to be created for a given
component when it is constructed and live as long as that
component. setRealized allows the
GLDrawable to re-initialize and destroy any
associated resources as the component becomes realized and
unrealized, respectively.
With an argument of true,
the minimum implementation shall call
NativeSurface's lockSurface() and if successfull:
GLCapabilities, which are associated with
the attached NativeSurface's AbstractGraphicsConfiguration.NativeSurface's unlockSurface().NativeSurface's lockSurface()
ensures resolving the window/surface handles, and the drawable's GLCapabilities
might have changed.
Calling this method has no other effects. For example, if
removeNotify is called on a Canvas implementation
for which a GLDrawable has been created, it is also necessary to
destroy all OpenGL contexts associated with that GLDrawable. This
is not done automatically by the implementation.
setRealized in interface GLDrawablepublic boolean isRealized()
isRealized in interface GLDrawablepublic WindowClosingProtocol.WindowClosingMode getDefaultCloseOperation()
getDefaultCloseOperation in interface WindowClosingProtocolpublic WindowClosingProtocol.WindowClosingMode setDefaultCloseOperation(WindowClosingProtocol.WindowClosingMode op)
setDefaultCloseOperation in interface WindowClosingProtocolpublic void display()
GLAutoDrawableCauses OpenGL rendering to be performed for this GLAutoDrawable in the following order:
display(..) for all
registered GLEventListeners. GLRunnable,
enqueued via GLAutoDrawable.invoke(boolean, GLRunnable).
May be called periodically by a running GLAnimatorControl implementation,
which must register itself with GLAutoDrawable.setAnimator(javax.media.opengl.GLAnimatorControl).
Called automatically by the window system toolkit upon receiving a repaint() request,
except an GLAnimatorControl implementation GLAnimatorControl.isAnimating().
This routine may also be called manually for better control over the
rendering process. It is legal to call another GLAutoDrawable's
display method from within the display(..) callback.
In case of a new generated OpenGL context,
the implementation shall call init(..) for all
registered GLEventListeners before making the
actual display(..) calls,
in case this has not been done yet.
display in interface GLAutoDrawableGLAutoDrawable.setAnimator(javax.media.opengl.GLAnimatorControl)public void destroy()
dispose(..) for all
registered GLEventListeners. Called automatically by the
window system toolkit upon receiving a destroy notification. This
routine may be called manually.
This impl. calls this class's removeNotify() AWT override,
where the actual implementation resides.
destroy in interface GLAutoDrawablepublic void paint(Graphics g)
paint in class Canvaspublic void addNotify()
Overrides:
addNotify in class java.awt.Component
addNotify in class Canvaspublic void removeNotify()
Overridden to track when this component is removed from a container. Subclasses which override this method must call super.removeNotify() in their removeNotify() method in order to function properly.
User shall not call this method outside of EDT, read the AWT/Swing specs about this.
Overrides:removeNotify in class java.awt.Component
removeNotify in class Component
public void reshape(int x,
int y,
int width,
int height)
GLDrawableHelper.reshape(javax.media.opengl.GLEventListener, javax.media.opengl.GLAutoDrawable, int, int, int, int, boolean, boolean) to be
called on all registered GLEventListeners. Subclasses
which override this method must call super.reshape() in
their reshape() method in order to function properly. Overrides:
reshape in class java.awt.Component
reshape in class Componentpublic void update(Graphics g)
update in class Canvaspublic void addGLEventListener(GLEventListener listener)
GLAutoDrawablelistener to the end of this drawable queue.
The listeners are notified of events in the order of the queue.
The newly added listener's init(..)
method will be called once before any other of it's callback methods.
See GLAutoDrawable.getGLEventListenerInitState(GLEventListener) for details.
addGLEventListener in interface GLAutoDrawablelistener - The GLEventListener object to be inserted
public void addGLEventListener(int index,
GLEventListener listener)
throws IndexOutOfBoundsException
GLAutoDrawablelistener at the given index of this drawable queue.
The listeners are notified of events in the order of the queue.
The newly added listener's init(..)
method will be called once before any other of it's callback methods.
See GLAutoDrawable.getGLEventListenerInitState(GLEventListener) for details.
addGLEventListener in interface GLAutoDrawableindex - Position where the listener will be inserted.
Should be within (0 <= index && index <= size()).
An index value of -1 is interpreted as the end of the list, size().listener - The GLEventListener object to be inserted
IndexOutOfBoundsException - If the index is not within (0 <= index && index <= size()), or -1public int getGLEventListenerCount()
GLAutoDrawableGLEventListener of this drawable queue.
getGLEventListenerCount in interface GLAutoDrawable
public GLEventListener getGLEventListener(int index)
throws IndexOutOfBoundsException
GLAutoDrawableGLEventListener at the given index of this drawable queue.
getGLEventListener in interface GLAutoDrawableindex - Position of the listener to be returned.
Should be within (0 <= index && index < size()).
An index value of -1 is interpreted as last listener, size()-1.
IndexOutOfBoundsException - If the index is not within (0 <= index && index < size()), or -1public boolean getGLEventListenerInitState(GLEventListener listener)
GLAutoDrawablelistener is initialized or not.
After adding a GLEventListener it is
marked uninitialized and added to a list of to be initialized GLEventListener.
If such uninitialized GLEventListener's handler methods (reshape, display)
are about to be invoked, it's init(..) method is invoked first.
Afterwards the GLEventListener is marked initialized
and removed from the list of to be initialized GLEventListener.
This methods returns the GLEventListener initialized state,
i.e. returns false if it is included in the list of to be initialized GLEventListener,
otherwise true.
getGLEventListenerInitState in interface GLAutoDrawablelistener - the GLEventListener object to query it's initialized state.
public void setGLEventListenerInitState(GLEventListener listener,
boolean initialized)
GLAutoDrawablelistener's initialized state.
This methods allows manually setting the GLEventListener initialized state,
i.e. adding it to, or removing it from the list of to be initialized GLEventListener.
See GLAutoDrawable.getGLEventListenerInitState(GLEventListener) for details.
Warning: This method does not validate whether the given listener's
is member of this drawable queue, i.e. added.
This method is only exposed to allow users full control over the GLEventListener's state
and is usually not recommended to change.
One use case is moving a GLContext and their initialized GLEventListener
from one GLAutoDrawable to another,
where a subsequent init(..) call after adding it
to the new owner is neither required nor desired.
See swapGLContextAndAllGLEventListener(..).
setGLEventListenerInitState in interface GLAutoDrawablelistener - the GLEventListener object to perform a state change.initialized - if true, mark the listener initialized, otherwise uninitialized.
public GLEventListener disposeGLEventListener(GLEventListener listener,
boolean remove)
GLAutoDrawablelistener via dispose(..)
if it has been initialized and added to this queue.
If remove is true, the GLEventListener is removed from this drawable queue before disposal,
otherwise marked uninitialized.
If an GLAnimatorControl is being attached and the current thread is different
than the animator's thread, it is paused during the operation.
Note that this is an expensive operation, since dispose(..)
is decorated by GLContext.makeCurrent() and GLContext.release().
Use removeGLEventListener(listener) instead
if you just want to remove the listener and don't care about the disposal of the it's (OpenGL) resources.
Also note that this is done from within a particular drawable's
GLEventListener handler (reshape, display, etc.), that it is not
guaranteed that all other listeners will be evaluated properly
during this update cycle.
disposeGLEventListener in interface GLAutoDrawablelistener - The GLEventListener object to be disposed and removed if remove is trueremove - pass true to have the listener removed from this drawable queue, otherwise pass false
public GLEventListener removeGLEventListener(GLEventListener listener)
GLAutoDrawablelistener from this drawable queue.
This is an inexpensive operation, since the removed listener's
dispose(..) method will not be called.
Use disposeGLEventListener(listener, true)
instead to ensure disposal of the listener's (OpenGL) resources.
Note that if this is done from within a particular drawable's
GLEventListener handler (reshape, display, etc.), that it is not
guaranteed that all other listeners will be evaluated properly
during this update cycle.
removeGLEventListener in interface GLAutoDrawablelistener - The GLEventListener object to be removed
public void setAnimator(GLAnimatorControl animatorControl)
GLAutoDrawable
Registers the usage of an animator, an GLAnimatorControl implementation.
The animator will be queried whether it's animating, ie periodically issuing GLAutoDrawable.display() calls or not.
This method shall be called by an animator implementation only,
e.g. AnimatorBase.add(javax.media.opengl.GLAutoDrawable), passing it's control implementation,
and AnimatorBase.remove(javax.media.opengl.GLAutoDrawable), passing null.
Impacts GLAutoDrawable.display() and GLAutoDrawable.invoke(boolean, GLRunnable) semantics.
setAnimator in interface GLAutoDrawableGLAutoDrawable.display(),
GLAutoDrawable.invoke(boolean, GLRunnable),
GLAnimatorControlpublic GLAnimatorControl getAnimator()
getAnimator in interface GLAutoDrawableGLAnimatorControl implementation, using this GLAutoDrawable.GLAutoDrawable.setAnimator(javax.media.opengl.GLAnimatorControl),
GLAnimatorControl
public boolean invoke(boolean wait,
GLRunnable glRunnable)
GLAutoDrawableGLRunnable,
which will be executed within the next GLAutoDrawable.display() call
after all registered GLEventListeners
display(GLAutoDrawable)
methods has been called.
If no GLAnimatorControl is animating (default),
or if the current thread is the animator thread,
a GLAutoDrawable.display() call is issued after enqueue the GLRunnable,
hence the GLRunnable will be executed right away.
If an animator is running,
no explicit GLAutoDrawable.display() call is issued, allowing the animator to perform it when it's due.
If wait is true the call blocks until the glRunnable
has been executed by the animator, otherwise the method returns immediately.
If wait is true and
GLDrawable.isRealized() returns false or GLAutoDrawable.getContext() returns null,
the call is ignored and returns false.
This helps avoiding deadlocking the caller.
The internal queue of GLRunnable's is being flushed with GLAutoDrawable.destroy()
where all blocked callers are being notified.
invoke in interface GLAutoDrawablewait - if true block until execution of glRunnable is finished, otherwise return immediately w/o waitingglRunnable - the GLRunnable to execute within GLAutoDrawable.display()
true if the GLRunnable has been processed or queued, otherwise false.GLAutoDrawable.setAnimator(GLAnimatorControl),
GLAutoDrawable.display(),
GLRunnable,
#enqueue(GLRunnable)
public boolean invoke(boolean wait,
List<GLRunnable> glRunnables)
GLAutoDrawableGLAutoDrawable.invoke(boolean, GLRunnable) functionality
allowing to inject a list of GLRunnables.
invoke in interface GLAutoDrawablewait - if true block until execution of the last glRunnable is finished, otherwise return immediately w/o waitingglRunnables - the GLRunnables to execute within GLAutoDrawable.display()
true if the GLRunnables has been processed or queued, otherwise false.public GLContext setContext(GLContext newCtx)
GLAutoDrawablenewCtx.setGLDrawable(drawable, true);.
drawable might be an inner GLDrawable instance if using a delegation pattern,
or this GLAutoDrawable instance.
If the old or new context was current on this thread, it is being released before switching the drawable. The new context will be made current afterwards, if it was current before. However the user shall take extra care that no other thread attempts to make this context current.
Be aware that the old context is still bound to the drawable, and that one context can only be bound to one drawable at one time!
In case you do not intend to use the old context anymore, i.e. not assigning it to another drawable, it shall be destroyed before setting the new context, i.e.:
GLContext oldCtx = glad.getContext();
if(null != oldCtx) {
oldCtx.destroy();
}
glad.setContext(newCtx);
This is required, since a context must have a valid drawable at all times
and this API shall not restrict the user in any way.
setContext in interface GLAutoDrawablenewCtx - the new context
nullGLContext.setGLDrawable(GLDrawable, boolean),
GLContext.setGLReadDrawable(GLDrawable),
GLDrawableHelper.switchContext(GLDrawable, GLContext, GLContext, int)public final GLDrawable getDelegatedDrawable()
GLAutoDrawableGLDrawable instance,
otherwise return this instance.
getDelegatedDrawable in interface GLAutoDrawablepublic GLContext getContext()
GLAutoDrawable
getContext in interface GLAutoDrawablepublic GL getGL()
GLAutoDrawableGL pipeline object this GLAutoDrawable uses.
If this method is called outside of the GLEventListener's callback methods (init, display, etc.) it may
return null. Users should not rely on the identity of the
returned GL object; for example, users should not maintain a
hash table with the GL object as the key. Additionally, the GL
object should not be cached in client code, but should be
re-fetched from the GLAutoDrawable at the beginning of each call
to init, display, etc.
getGL in interface GLAutoDrawablepublic GL setGL(GL gl)
GLAutoDrawableGL pipeline object this GLAutoDrawable uses.
This should only be called from within the GLEventListener's
callback methods, and usually only from within the init()
method, in order to install a composable pipeline. See the JOGL
demos for examples.
setGL in interface GLAutoDrawablepublic void setAutoSwapBufferMode(boolean onOrOff)
GLAutoDrawableGLDrawable.swapBuffers(..) manually.
setAutoSwapBufferMode in interface GLAutoDrawablepublic boolean getAutoSwapBufferMode()
GLAutoDrawableGLAutoDrawable.setAutoSwapBufferMode(boolean).
getAutoSwapBufferMode in interface GLAutoDrawablepublic void swapBuffers()
GLDrawableGLAutoDrawable implementations, when automatic buffer swapping
is enabled (as is the default), this method is called
automatically and should not be called by the end user.
swapBuffers in interface GLDrawablepublic void setContextCreationFlags(int flags)
setContextCreationFlags in interface GLAutoDrawableflags - Additional context creation flags.GLContext.setContextCreationFlags(int),
GLContext.enableGLDebugMessage(boolean)public int getContextCreationFlags()
getContextCreationFlags in interface GLAutoDrawablepublic GLProfile getGLProfile()
GLDrawableGLProfile for this drawable.
Returns the GLProfile object, no copy.
getGLProfile in interface GLDrawablepublic GLCapabilitiesImmutable getChosenGLCapabilities()
GLDrawableGLCapabilitiesImmutable corresponding to the chosen
OpenGL capabilities (pixel format / visual / GLProfile) for this drawable.NativeSurface's
AbstractGraphicsConfiguration, and if changes are necessary,
they should reflect those as well.
getChosenGLCapabilities in interface GLDrawablepublic GLCapabilitiesImmutable getRequestedGLCapabilities()
public NativeSurface getNativeSurface()
GLDrawable
getNativeSurface in interface GLDrawableGLDrawable.getHandle()public long getHandle()
GLDrawableNativeSurface.getSurfaceHandle(),
ie the native surface handle of the underlying windowing toolkit.
getHandle in interface GLDrawablepublic GLDrawableFactory getFactory()
GLDrawableGLDrawableFactory being used to create this instance.
getFactory in interface GLDrawablepublic String toString()
toString in interface GLDrawabletoString in class Componentpublic static void main(String[] args)
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