Thread: [Java-game-lib-cvs] SF.net SVN: java-game-lib: [2356] trunk/LWJGL/src/java/org/lwjgl/opengl

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Revision: 2356
Author:   elias_naur
Date:     2006-06-06 23:35:52 -0700 (Tue, 06 Jun 2006)
ViewCVS:  http://svn.sourceforge.net/java-game-lib/?rev=2356&view=rev

Log Message:
-----------
Mac OS X: Fixed flickering caused by the new context handling in AWTGLCanvas

Modified Paths:
--------------
    trunk/LWJGL/src/java/org/lwjgl/opengl/Context.java
    trunk/LWJGL/src/java/org/lwjgl/opengl/ContextImplementation.java
    trunk/LWJGL/src/java/org/lwjgl/opengl/Display.java
    trunk/LWJGL/src/java/org/lwjgl/opengl/LinuxContextImplementation.java
    trunk/LWJGL/src/java/org/lwjgl/opengl/MacOSXContextImplementation.java
    trunk/LWJGL/src/java/org/lwjgl/opengl/Win32ContextImplementation.java
Modified: trunk/LWJGL/src/java/org/lwjgl/opengl/Context.java
===================================================================

--- trunk/LWJGL/src/java/org/lwjgl/opengl/Context.java	2006-06-06 20:37:11 UTC (rev 2355)
+++ trunk/LWJGL/src/java/org/lwjgl/opengl/Context.java	2006-06-07 06:35:52 UTC (rev 2356)
@@ -145,6 +145,18 @@
 	}
 
 	/**
+	 * Release the context from its drawable. This is necessary on some platforms,
+	 * like Mac OS X, where binding the context to a drawable and binding the context
+	 * for rendering are two distinct actions and where calling releaseDrawable
+	 * on every releaseCurrentContext results in artifacts.
+	 */
+	public synchronized void releaseDrawable() throws LWJGLException {
+		if (destroyed)
+			throw new IllegalStateException("Context is destroyed");
+		implementation.releaseDrawable(getHandle());
+	}
+
+	/**
 	 * Update the context. Should be called whenever it's drawable is moved or resized
 	 */
 	public synchronized void update() {
@@ -198,6 +210,7 @@
 	private void checkDestroy() {
 		if (!destroyed && destroy_requested) {
 			try {
+				releaseDrawable();
 				implementation.destroy(peer_info, handle);
 				destroyed = true;
 				thread = null;

Modified: trunk/LWJGL/src/java/org/lwjgl/opengl/ContextImplementation.java
===================================================================
--- trunk/LWJGL/src/java/org/lwjgl/opengl/ContextImplementation.java	2006-06-06 20:37:11 UTC (rev 2355)
+++ trunk/LWJGL/src/java/org/lwjgl/opengl/ContextImplementation.java	2006-06-07 06:35:52 UTC (rev 2356)
@@ -56,6 +56,11 @@
 	public void swapBuffers() throws LWJGLException;
 
 	/**
+	 * Release the context from its drawable, if any.
+	 */
+	public void releaseDrawable(ByteBuffer context_handle) throws LWJGLException;
+
+	/**
 	 * Release the current context (if any). After this call, no context is current.
 	 */
 	public void releaseCurrentContext() throws LWJGLException;

Modified: trunk/LWJGL/src/java/org/lwjgl/opengl/Display.java
===================================================================
--- trunk/LWJGL/src/java/org/lwjgl/opengl/Display.java	2006-06-06 20:37:11 UTC (rev 2355)
+++ trunk/LWJGL/src/java/org/lwjgl/opengl/Display.java	2006-06-07 06:35:52 UTC (rev 2356)
@@ -283,10 +283,11 @@
 		}
 		try {
 			if (context.isCurrent()) {
+				context.releaseDrawable();
 				Context.releaseCurrentContext();
 			}
 		} catch (LWJGLException e) {
-			LWJGLUtil.log("Exception occurred while trying to release context");
+			LWJGLUtil.log("Exception occurred while trying to release context: " + e);
 		}
 
 		// Automatically destroy keyboard & mouse

Modified: trunk/LWJGL/src/java/org/lwjgl/opengl/LinuxContextImplementation.java
===================================================================
--- trunk/LWJGL/src/java/org/lwjgl/opengl/LinuxContextImplementation.java	2006-06-06 20:37:11 UTC (rev 2355)
+++ trunk/LWJGL/src/java/org/lwjgl/opengl/LinuxContextImplementation.java	2006-06-07 06:35:52 UTC (rev 2356)
@@ -57,6 +57,9 @@
 	}
 
 	private static native ByteBuffer nCreate(ByteBuffer peer_handle, ByteBuffer shared_context_handle) throws LWJGLException;
+
+	public void releaseDrawable(ByteBuffer context_handle) throws LWJGLException {
+	}
 	
 	public void swapBuffers() throws LWJGLException {
 		Context current_context = Context.getCurrentContext();

Modified: trunk/LWJGL/src/java/org/lwjgl/opengl/MacOSXContextImplementation.java
===================================================================
--- trunk/LWJGL/src/java/org/lwjgl/opengl/MacOSXContextImplementation.java	2006-06-06 20:37:11 UTC (rev 2355)
+++ trunk/LWJGL/src/java/org/lwjgl/opengl/MacOSXContextImplementation.java	2006-06-07 06:35:52 UTC (rev 2356)
@@ -68,16 +68,13 @@
 	private static native void nUpdate(ByteBuffer context_handle);
 
 	public void releaseCurrentContext() throws LWJGLException {
-		Context current_context = Context.getCurrentContext();
-		if (current_context != null) {
-			synchronized (current_context) {
-				clearDrawable(current_context.getHandle());
-			}
-		}
 		nReleaseCurrentContext();
 	}
 	private static native void nReleaseCurrentContext() throws LWJGLException;
 
+	public void releaseDrawable(ByteBuffer context_handle) throws LWJGLException {
+		clearDrawable(context_handle);
+	}
 	private static native void clearDrawable(ByteBuffer handle) throws LWJGLException;
 
 	static void resetView(PeerInfo peer_info, Context context) throws LWJGLException {

Modified: trunk/LWJGL/src/java/org/lwjgl/opengl/Win32ContextImplementation.java
===================================================================
--- trunk/LWJGL/src/java/org/lwjgl/opengl/Win32ContextImplementation.java	2006-06-06 20:37:11 UTC (rev 2355)
+++ trunk/LWJGL/src/java/org/lwjgl/opengl/Win32ContextImplementation.java	2006-06-07 06:35:52 UTC (rev 2356)
@@ -68,6 +68,9 @@
 	}
 	private static native void nSwapBuffers(ByteBuffer peer_info_handle) throws LWJGLException;
 
+	public void releaseDrawable(ByteBuffer context_handle) throws LWJGLException {
+	}
+
 	public void update(ByteBuffer context_handle) {
 	}
 


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Thread: [Java-game-lib-cvs] SF.net SVN: java-game-lib: [2356] trunk/LWJGL/src/java/org/lwjgl/opengl

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