1 /*
   2  * Copyright (c) 2012, 2013, 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
  23  * questions.
  24  */
  25 
  26 package com.sun.prism.es2;
  27 
  28 
  29 
  30 class MonocleGLContext extends GLContext {
  31 
  32     private static native long nInitialize(long nativeDInfo, long nativePFInfo,
  33                                            boolean vSyncRequest);
  34     private static native long nGetNativeHandle(long nativeCtxInfo);
  35     private static native void nMakeCurrent(long nativeCtxInfo, long nativeDInfo);
  36 
  37     MonocleGLContext(long nativeCtxInfo) {
  38         this.nativeCtxInfo = nativeCtxInfo;
  39     }
  40 
  41     MonocleGLContext(GLDrawable drawable, GLPixelFormat pixelFormat,
  42                           boolean vSyncRequest) {
  43 
  44         // holds the list of attributes to be translated for native call
  45         int attrArr[] = new int[GLPixelFormat.Attributes.NUM_ITEMS];
  46 
  47         GLPixelFormat.Attributes attrs = pixelFormat.getAttributes();
  48 
  49         attrArr[GLPixelFormat.Attributes.RED_SIZE] = attrs.getRedSize();
  50         attrArr[GLPixelFormat.Attributes.GREEN_SIZE] = attrs.getGreenSize();
  51         attrArr[GLPixelFormat.Attributes.BLUE_SIZE] = attrs.getBlueSize();
  52         attrArr[GLPixelFormat.Attributes.ALPHA_SIZE] = attrs.getAlphaSize();
  53         attrArr[GLPixelFormat.Attributes.DEPTH_SIZE] = attrs.getDepthSize();
  54         attrArr[GLPixelFormat.Attributes.DOUBLEBUFFER] = attrs.isDoubleBuffer() ? 1 : 0;
  55         attrArr[GLPixelFormat.Attributes.ONSCREEN] = attrs.isOnScreen() ? 1 : 0;
  56 
  57         // return the context info object created on the default screen
  58         nativeCtxInfo = nInitialize(drawable.getNativeDrawableInfo(),
  59                                     pixelFormat.getNativePFInfo(), vSyncRequest);
  60     }
  61 
  62     @Override
  63     long getNativeHandle() {
  64         return nGetNativeHandle(nativeCtxInfo);
  65     }
  66 
  67     @Override
  68     void makeCurrent(GLDrawable drawable) {
  69         nMakeCurrent(nativeCtxInfo, drawable.getNativeDrawableInfo());
  70     }
  71 }