--- old/src/java.desktop/windows/native/libawt/sun/windows/WBufferStrategy.cpp 2014-09-05 08:57:53.656480631 -0700 +++ /dev/null 2014-06-02 10:23:51.318532836 -0700 @@ -1,60 +0,0 @@ -/* - * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -#include "sun_awt_windows_WBufferStrategy.h" -#include "jni_util.h" - - -static jmethodID getBackBufferID; - -/* - * Class: sun_awt_windows_WBufferStrategy - * Method: initIDs - * Signature: (Ljava/lang/Class;)V - */ -JNIEXPORT void JNICALL -Java_sun_awt_windows_WBufferStrategy_initIDs(JNIEnv *env, jclass wbs, - jclass componentClass) -{ - getBackBufferID = env->GetMethodID(componentClass, "getBackBuffer", - "()Ljava/awt/Image;"); -} - -/** - * Native method of WBufferStrategy.java. Given a Component - * object, this method will find the back buffer associated - * with the Component's BufferStrategy and return a handle - * to it. - */ -extern "C" JNIEXPORT jobject JNICALL -Java_sun_awt_windows_WBufferStrategy_getDrawBuffer(JNIEnv *env, jclass wbs, - jobject component) -{ - if (!JNU_IsNull(env, getBackBufferID)) { - return env->CallObjectMethod(component, getBackBufferID); - } else { - return NULL; - } -}