Copied JOGL_2_SANDBOX r1957 on to trunk; JOGL_2_SANDBOX branch is now closed

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1959 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 90 insertions, 0 deletions

diff --git a/src/jogl/classes/com/sun/opengl/impl/egl/EGLOnscreenDrawable.java b/src/jogl/classes/com/sun/opengl/impl/egl/EGLOnscreenDrawable.java
new file mode 100644
index 000000000..73dcf526c
--- /dev/null
+++ b/src/jogl/classes/com/sun/opengl/impl/egl/EGLOnscreenDrawable.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution 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 Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ * 
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package com.sun.opengl.impl.egl;
+
+import javax.media.opengl.*;
+import javax.media.nativewindow.*;
+import javax.media.nativewindow.egl.*;
+import com.sun.opengl.impl.*;
+import com.sun.nativewindow.impl.NullWindow;
+
+import java.nio.LongBuffer;
+
+public class EGLOnscreenDrawable extends EGLDrawable {
+    protected EGLOnscreenDrawable(EGLDrawableFactory factory, NativeWindow component) throws GLException {
+        super(factory, component);
+    }
+
+    public GLContext createContext(GLContext shareWith) {
+        return new EGLOnscreenContext(this, shareWith);
+    }
+
+    protected long createSurface(long eglDpy, _EGLConfig eglNativeCfg) {
+        long surf = EGL.eglCreateWindowSurface(eglDpy, eglNativeCfg, component.getWindowHandle(), null);
+        if (EGL.EGL_NO_SURFACE==surf) {
+            throw new GLException("Creation of window surface (eglCreateWindowSurface) failed, component: "+component+", error 0x"+Integer.toHexString(EGL.eglGetError()));
+        } else if(DEBUG) {
+            System.err.println("setSurface result: eglSurface 0x"+Long.toHexString(surf));
+        }
+        return surf;
+    }
+
+    public void swapBuffers() throws GLException {
+        boolean didLock = false;
+        try {
+          if ( !isSurfaceLocked() ) {
+              // Usually the surface shall be locked within [makeCurrent .. swap .. release]
+              if (lockSurface() == NativeWindow.LOCK_SURFACE_NOT_READY) {
+                  return;
+              }
+              didLock = true;
+          }
+
+          EGL.eglSwapBuffers(eglDisplay, eglSurface);
+
+        } finally {
+          if(didLock) {
+              unlockSurface();
+          }
+        }
+    }
+
+}
+