From 0d24458c68ac1bb92da21a1701633f8f32a267bb Mon Sep 17 00:00:00 2001
From: Sven Gothel
+ * Warning: We cannot verify if the caller runs in the same thread
+ * as the display caller, hence we cannot avoid a deadlock
+ * in such case. You have to know what you are doing,
+ * ie call this only in a I/O event listener, or such. Causes OpenGL rendering to be performed for this GLAutoDrawable
+ in the following order:
+ invokeAndWait()
semantics.
+ */
+public class GLRunnableTask implements GLRunnable {
+ GLRunnable runnable;
+ Object notifyObject;
+
+ Throwable runnableException;
+
+ public GLRunnableTask(GLRunnable runnable, Object notifyObject) {
+ this.runnable = runnable ;
+ this.notifyObject = notifyObject ;
+ }
+
+ public void run(GLAutoDrawable drawable) {
+ try {
+ runnable.run(drawable);
+ } catch (Throwable t) {
+ runnableException = t;
+ }
+ if(null != notifyObject) {
+ synchronized (notifyObject) {
+ notifyObject.notifyAll();
+ }
+ }
+ }
+
+ public Throwable getThrowable() { return runnableException; }
+}
+
diff --git a/src/jogl/classes/javax/media/opengl/GLAutoDrawable.java b/src/jogl/classes/javax/media/opengl/GLAutoDrawable.java
index 7342369d9..7236aa533 100644
--- a/src/jogl/classes/javax/media/opengl/GLAutoDrawable.java
+++ b/src/jogl/classes/javax/media/opengl/GLAutoDrawable.java
@@ -138,11 +138,22 @@ public interface GLAutoDrawable extends GLDrawable {
*/
public void setContext(GLContext context);
- /** Adds a {@link GLEventListener} to this drawable. If multiple
- listeners are added to a given drawable, they are notified of
- events in an arbitrary order. */
+ /** Adds a {@link GLEventListener} to the end of this drawable queue.
+ The listeners are notified of events in the order of the queue. */
public void addGLEventListener(GLEventListener listener);
+ /**
+ * Adds a {@link GLEventListener} at the given index of this drawable queue.
+ * The listeners are notified of events in the order of the queue.
+ * @param index 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().
+ * @param listener The GLEventListener object to be inserted
+ * @throws IndexOutOfBoundsException If the index is not within (0 <= index && index <= size()), or -1
+ */
+ public void addGLEventListener(int index, GLEventListener listener)
+ throws IndexOutOfBoundsException;
+
/** Removes a {@link GLEventListener} from this drawable. Note that
if this is done from within a particular drawable's {@link
GLEventListener} handler (reshape, display, etc.) that it is not
@@ -150,6 +161,19 @@ public interface GLAutoDrawable extends GLDrawable {
during this update cycle. */
public void removeGLEventListener(GLEventListener listener);
+ /**
+ * Enqueues the one-shot {@link javax.media.opengl.GLRunnable} into the queue,
+ * which will be executed at the next {@link #display()} call.
+ *
+
+ Called automatically by the + window system toolkit upon receiving a repaint() request.
++ This routine may be called manually for better control over the rendering process. It is legal to call another GLAutoDrawable's display method from within the {@link GLEventListener#display - display(..)} callback.
+ display(..)} callback.
+In case of a new generated OpenGL context, the implementation shall call {@link GLEventListener#init init(..)} for all registered {@link GLEventListener}s before making the actual {@link GLEventListener#display display(..)} calls, - in case this has not been done yet.*/ + in case this has not been done yet.
*/ public void display(); /** Enables or disables automatic buffer swapping for this drawable. @@ -211,4 +244,5 @@ public interface GLAutoDrawable extends GLDrawable { demos for examples. @return the set GL pipeline or null if not successful */ public GL setGL(GL gl); + } diff --git a/src/jogl/classes/javax/media/opengl/GLRunnable.java b/src/jogl/classes/javax/media/opengl/GLRunnable.java new file mode 100644 index 000000000..8d619273f --- /dev/null +++ b/src/jogl/classes/javax/media/opengl/GLRunnable.java @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2010, Sven Gothel + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of Sven Gothel nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 Sven Gothel 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. + */ +package javax.media.opengl; + +/** Declares one-shot OpenGL commands, which client code can use to manage OpenGL
+ commands into a {@link GLAutoDrawable}. At the time any of these
+ methods is called, the drawable has made its associated OpenGL
+ context current, so it is valid to make OpenGL calls.
A GLRunnable maybe used to inject OpenGL commands via I/O event listener, + via {@link GLAutoDrawable#invoke(boolean, GLRunnable)}.
+ */ +public interface GLRunnable { + /** Called by the drawable to initiate one-shot OpenGL commands by the + client, like {@link GLEventListener#display(GLAutoDrawable)}. */ + public void run(GLAutoDrawable drawable); +} + diff --git a/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java b/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java index 77b8e45d3..2dafd691a 100644 --- a/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java +++ b/src/jogl/classes/javax/media/opengl/awt/GLCanvas.java @@ -484,10 +484,18 @@ public class GLCanvas extends Canvas implements AWTGLAutoDrawable { drawableHelper.addGLEventListener(listener); } + public void addGLEventListener(int index, GLEventListener listener) { + drawableHelper.addGLEventListener(index, listener); + } + public void removeGLEventListener(GLEventListener listener) { drawableHelper.removeGLEventListener(listener); } + public void invoke(boolean wait, GLRunnable glRunnable) { + drawableHelper.invoke(wait, glRunnable); + } + public void setContext(GLContext ctx) { context=(GLContextImpl)ctx; } diff --git a/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java b/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java index 955949415..73962e979 100644 --- a/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java +++ b/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java @@ -372,10 +372,18 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable { drawableHelper.addGLEventListener(listener); } + public void addGLEventListener(int index, GLEventListener listener) { + drawableHelper.addGLEventListener(index, listener); + } + public void removeGLEventListener(GLEventListener listener) { drawableHelper.removeGLEventListener(listener); } + public void invoke(boolean wait, GLRunnable glRunnable) { + drawableHelper.invoke(wait, glRunnable); + } + public GLContext createContext(GLContext shareWith) { return backend.createContext(shareWith); } -- cgit v1.2.3