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src/java.desktop/unix/classes/sun/java2d/opengl/GLXVolatileSurfaceManager.java

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   1 /*
   2  * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  56          *       - the GraphicsConfig supports the FBO extension OR
  57          *       - the GraphicsConfig has a stored alpha channel
  58          */
  59         int transparency = vImg.getTransparency();
  60         GLXGraphicsConfig gc = (GLXGraphicsConfig)vImg.getGraphicsConfig();
  61         accelerationEnabled =
  62             (transparency == Transparency.OPAQUE) ||
  63             ((transparency == Transparency.TRANSLUCENT) &&
  64              (gc.isCapPresent(CAPS_EXT_FBOBJECT) ||
  65               gc.isCapPresent(CAPS_STORED_ALPHA)));
  66     }
  67 
  68     protected boolean isAccelerationEnabled() {
  69         return accelerationEnabled;
  70     }
  71 
  72     /**
  73      * Create a pbuffer-based SurfaceData object (or init the backbuffer
  74      * of an existing window if this is a double buffered GraphicsConfig)
  75      */

  76     protected SurfaceData initAcceleratedSurface() {
  77         SurfaceData sData;
  78         Component comp = vImg.getComponent();
  79         X11ComponentPeer peer =
  80             (comp != null) ? (X11ComponentPeer)comp.getPeer() : null;
  81 
  82         try {
  83             boolean createVSynced = false;
  84             boolean forceback = false;
  85             if (context instanceof Boolean) {
  86                 forceback = ((Boolean)context).booleanValue();
  87                 if (forceback && peer instanceof BackBufferCapsProvider) {
  88                     BackBufferCapsProvider provider =
  89                         (BackBufferCapsProvider)peer;
  90                     BufferCapabilities caps = provider.getBackBufferCaps();
  91                     if (caps instanceof ExtendedBufferCapabilities) {
  92                         ExtendedBufferCapabilities ebc =
  93                             (ExtendedBufferCapabilities)caps;
  94                         if (ebc.getVSync() == VSYNC_ON &&
  95                             ebc.getFlipContents() == COPIED)


   1 /*
   2  * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  56          *       - the GraphicsConfig supports the FBO extension OR
  57          *       - the GraphicsConfig has a stored alpha channel
  58          */
  59         int transparency = vImg.getTransparency();
  60         GLXGraphicsConfig gc = (GLXGraphicsConfig)vImg.getGraphicsConfig();
  61         accelerationEnabled =
  62             (transparency == Transparency.OPAQUE) ||
  63             ((transparency == Transparency.TRANSLUCENT) &&
  64              (gc.isCapPresent(CAPS_EXT_FBOBJECT) ||
  65               gc.isCapPresent(CAPS_STORED_ALPHA)));
  66     }
  67 
  68     protected boolean isAccelerationEnabled() {
  69         return accelerationEnabled;
  70     }
  71 
  72     /**
  73      * Create a pbuffer-based SurfaceData object (or init the backbuffer
  74      * of an existing window if this is a double buffered GraphicsConfig)
  75      */
  76     @SuppressWarnings("deprecation")
  77     protected SurfaceData initAcceleratedSurface() {
  78         SurfaceData sData;
  79         Component comp = vImg.getComponent();
  80         X11ComponentPeer peer =
  81             (comp != null) ? (X11ComponentPeer)comp.getPeer() : null;
  82 
  83         try {
  84             boolean createVSynced = false;
  85             boolean forceback = false;
  86             if (context instanceof Boolean) {
  87                 forceback = ((Boolean)context).booleanValue();
  88                 if (forceback && peer instanceof BackBufferCapsProvider) {
  89                     BackBufferCapsProvider provider =
  90                         (BackBufferCapsProvider)peer;
  91                     BufferCapabilities caps = provider.getBackBufferCaps();
  92                     if (caps instanceof ExtendedBufferCapabilities) {
  93                         ExtendedBufferCapabilities ebc =
  94                             (ExtendedBufferCapabilities)caps;
  95                         if (ebc.getVSync() == VSYNC_ON &&
  96                             ebc.getFlipContents() == COPIED)


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