/*

 * Copyright (c) 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.d3d;

import java.awt.Color;

import java.awt.Transparency;

import sun.java2d.InvalidPipeException;

import sun.java2d.SurfaceData;

import sun.java2d.SurfaceDataProxy;

import sun.java2d.loops.CompositeType;

/**

 * The proxy class contains the logic for when to replace a

 * SurfaceData with a cached D3D Texture and the code to create

 * the accelerated surfaces.

 */

public class D3DSurfaceDataProxy extends SurfaceDataProxy {

    public static SurfaceDataProxy createProxy(SurfaceData srcData,

                                               D3DGraphicsConfig dstConfig)

    {

        if (srcData instanceof D3DSurfaceData) {

            // srcData must be a VolatileImage which either matches

            // our pixel format or not - either way we do not cache it...

            return UNCACHED;

        }

        return new D3DSurfaceDataProxy(dstConfig, srcData.getTransparency());

    }

    D3DGraphicsConfig d3dgc;

    int transparency;

    public D3DSurfaceDataProxy(D3DGraphicsConfig d3dgc, int transparency) {

        this.d3dgc = d3dgc;

        this.transparency = transparency;

        // REMIND: we may want to change this for the d3d pipeline, it's not

        // necessary to invalidate them all at once on display change

        activateDisplayListener();

    }

    @Override

    public SurfaceData validateSurfaceData(SurfaceData srcData,

                                           SurfaceData cachedData,

                                           int w, int h)

    {

        if (cachedData == null || cachedData.isSurfaceLost()) {

            try {

                cachedData = d3dgc.createManagedSurface(w, h, transparency);

            } catch (InvalidPipeException e) {

                if (!d3dgc.getD3DDevice().isD3DAvailable()) {

                    invalidate();

                    flush();

                    return null;

                }

            }

        }

        return cachedData;

    }

    @Override

    public boolean isSupportedOperation(SurfaceData srcData,

                                        int txtype,

                                        CompositeType comp,

                                        Color bgColor)

    {

        return (bgColor == null || transparency == Transparency.OPAQUE);

    }

}