/* * Copyright (c) 2007, 2008, 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. */ package sun.java2d.pipe.hw; import java.awt.Rectangle;import sun.java2d.Surface; /** * Abstraction for a hardware accelerated surface. */public interface AccelSurface extends BufferedContextProvider, Surface {    /**     * Undefined     */    public static final int UNDEFINED       = 0;    /**     * Window (or window substitute) surface     */    public static final int WINDOW          = 1;    /**     * Render-To Plain surface (pbuffer for OpenGL, Render Target surface     * for Direct3D)     */    public static final int RT_PLAIN        = 2;    /**     * Texture surface     */    public static final int TEXTURE         = 3;    /**     * A back-buffer surface (SwapChain surface for Direct3D, backbuffer for     * OpenGL)     */    public static final int FLIP_BACKBUFFER = 4;    /**     * Render-To Texture surface (fbobject for OpenGL, texture with render-to     * attribute for Direct3D)     */    public static final int RT_TEXTURE      = 5;     /**     * Returns {@code int} representing surface's type as defined by constants     * in this interface.     *     * @return an integer representing this surface's type     * @see AccelSurface#UNDEFINED     * @see AccelSurface#WINDOW     * @see AccelSurface#RT_PLAIN     * @see AccelSurface#TEXTURE     * @see AccelSurface#FLIP_BACKBUFFER     * @see AccelSurface#RT_TEXTURE     */    public int getType();     /**     * Returns a pointer to the native surface data associated with this     * surface.     * Note: this pointer is only valid on the rendering thread.     *     * @return pointer to the native surface's data     */    public long getNativeOps();     /**     * Returns a pointer to the real native resource     * of the specified type associated with this AccelSurface.     * Note: this pointer is only valid on the rendering thread.     *     * @param resType the type of the requested resource     * @return a long containing a pointer to the native resource of the     * specified type or 0L if such resource doesn't exist for this surface     */    public long getNativeResource(int resType);     /**     * Marks this surface dirty.     */    public void markDirty();     /**     * Returns whether the pipeline considers this surface valid. A surface     * may become invalid if it is disposed of, or resized.     *     * @return true if valid, false otherwise     */    public boolean isValid();     /**     * Returns whether this surface is lost. The return value is only valid     * on the render thread, meaning that even if this method returns     * {@code true} it could be lost in the next moment unless it is called     * on the rendering thread.     *     * @return true if the surface is known to be lost, false otherwise     */    public boolean isSurfaceLost();     /**     * Returns the requested bounds of the destination surface. The real bounds     * of the native accelerated surface may differ. Use     * {@link #getNativeBounds} to get the bounds of the native surface.     *     * @return Rectangle representing java surface's bounds     */    public Rectangle getBounds();     /**     * Returns real bounds of the native surface, which may differ from those     * returned by {@link #getBounds}.     *     * @return Rectangle representing native surface's bounds     */    public Rectangle getNativeBounds();}