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/*
* Copyright 2008 Sun Microsystems, Inc. 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.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);
}
}
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