1 files changed, 172 insertions, 0 deletions
diff --git a/src/net/java/games/jogl/impl/x11/X11GLDrawable.java b/src/net/java/games/jogl/impl/x11/X11GLDrawable.java
new file mode 100644
index 000000000..32098ab43
--- /dev/null
+++ b/src/net/java/games/jogl/impl/x11/X11GLDrawable.java
@@ -0,0 +1,172 @@
+/*
+ * 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 net.java.games.jogl.impl.x11;
+
+import java.awt.Component;
+
+import net.java.games.jogl.*;
+import net.java.games.jogl.impl.*;
+
+public abstract class X11GLDrawable extends GLDrawableImpl {
+  protected static final boolean DEBUG = Debug.debug("X11GLDrawable");
+
+  protected long display;
+  protected long drawable;
+  protected long visualID;
+  protected Component component;
+  protected GLCapabilities capabilities;
+  protected GLCapabilitiesChooser chooser;
+
+  public X11GLDrawable(Component component,
+                       GLCapabilities capabilities,
+                       GLCapabilitiesChooser chooser) {
+    this.component = component;
+    this.capabilities = (capabilities == null) ? null :
+      ((GLCapabilities) capabilities.clone());
+    this.chooser = chooser;
+  }
+
+  public void setRealized(boolean val) {
+    throw new GLException("Should not call this (should only be called for onscreen GLDrawables)");
+  }
+
+  public void destroy() {
+    throw new GLException("Should not call this (should only be called for offscreen GLDrawables)");
+  }
+
+  public void swapBuffers() throws GLException {
+  }
+
+  public long getDisplay() {
+    return display;
+  }
+
+  public long getDrawable() {
+    return drawable;
+  }
+
+  //---------------------------------------------------------------------------
+  // Internals only below this point
+  //
+
+  protected XVisualInfo chooseVisual(boolean onscreen) {
+    if (display == 0) {
+      throw new GLException("null display");
+    }
+
+    // FIXME
+    if (onscreen) {
+      // The visual has already been chosen by the time we get here;
+      // it's specified by the GraphicsConfiguration of the
+      // GLCanvas. Fortunately, the JAWT supplies the visual ID for
+      // the component in a portable fashion, so all we have to do is
+      // use XGetVisualInfo with a VisualIDMask to get the
+      // corresponding XVisualInfo to pass into glXChooseVisual.
+      int[] count = new int[1];
+      XVisualInfo template = new XVisualInfo();
+      // FIXME: probably not 64-bit clean
+      template.visualid((int) visualID);
+      lockAWT();
+      XVisualInfo[] infos = GLX.XGetVisualInfo(display, GLX.VisualIDMask, template, count, 0);
+      unlockAWT();
+      if (infos == null || infos.length == 0) {
+        throw new GLException("Error while getting XVisualInfo for visual ID " + visualID);
+      }
+      // FIXME: the storage for the infos array is leaked (should
+      // clean it up somehow when we're done with the visual we're
+      // returning)
+      return infos[0];
+    } else {
+      // It isn't clear to me whether we need this much code to handle
+      // the offscreen case, where we're creating a pixmap into which
+      // to render...this is what we (incorrectly) used to do for the
+      // onscreen case
+
+      int screen = 0; // FIXME: provide way to specify this?
+      XVisualInfo vis = null;
+      int[] count = new int[1];
+      XVisualInfo template = new XVisualInfo();
+      template.screen(screen);
+      XVisualInfo[] infos = null;
+      GLCapabilities[] caps = null;
+      lockAWT();
+      try {
+        infos = GLX.XGetVisualInfo(display, GLX.VisualScreenMask, template, count, 0);
+        if (infos == null) {
+          throw new GLException("Error while enumerating available XVisualInfos");
+        }
+        caps = new GLCapabilities[infos.length];
+        for (int i = 0; i < infos.length; i++) {
+          caps[i] = X11GLContextFactory.xvi2GLCapabilities(display, infos[i]);
+        }
+      } finally {
+        unlockAWT();
+      }
+      int chosen = chooser.chooseCapabilities(capabilities, caps, -1);
+      if (chosen < 0 || chosen >= caps.length) {
+        throw new GLException("GLCapabilitiesChooser specified invalid index (expected 0.." + (caps.length - 1) + ")");
+      }
+      if (DEBUG) {
+        System.err.println("Chosen visual (" + chosen + "):");
+        System.err.println(caps[chosen]);
+      }
+      vis = infos[chosen];
+      if (vis == null) {
+        throw new GLException("GLCapabilitiesChooser chose an invalid visual");
+      }
+      // FIXME: the storage for the infos array is leaked (should
+      // clean it up somehow when we're done with the visual we're
+      // returning)
+
+      return vis;
+    }
+  }
+
+
+  // These synchronization primitives prevent the AWT from making
+  // requests from the X server asynchronously to this code.
+  protected void lockAWT() {
+    X11GLContextFactory.lockAWT();
+  }
+
+  protected void unlockAWT() {
+    X11GLContextFactory.unlockAWT();
+  }
+}