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/*
* Copyright (c) 2003, 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.opengl;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.Transparency;
import java.awt.image.ColorModel;
import sun.awt.X11ComponentPeer;
import sun.java2d.SurfaceData;
import sun.java2d.loops.SurfaceType;
public abstract class GLXSurfaceData extends OGLSurfaceData {
protected X11ComponentPeer peer;
private GLXGraphicsConfig graphicsConfig;
private native void initOps(OGLGraphicsConfig gc, X11ComponentPeer peer,
long aData);
protected native boolean initPbuffer(long pData, long pConfigInfo,
boolean isOpaque,
int width, int height);
protected GLXSurfaceData(X11ComponentPeer peer, GLXGraphicsConfig gc,
ColorModel cm, int type)
{
super(gc, cm, type);
this.peer = peer;
this.graphicsConfig = gc;
initOps(gc, peer, graphicsConfig.getAData());
}
public GraphicsConfiguration getDeviceConfiguration() {
return graphicsConfig;
}
/**
* Creates a SurfaceData object representing the primary (front) buffer
* of an on-screen Window.
*/
public static GLXWindowSurfaceData createData(X11ComponentPeer peer) {
GLXGraphicsConfig gc = getGC(peer);
return new GLXWindowSurfaceData(peer, gc);
}
/**
* Creates a SurfaceData object representing the back buffer of a
* double-buffered on-screen Window.
*/
public static GLXOffScreenSurfaceData createData(X11ComponentPeer peer,
Image image,
int type)
{
GLXGraphicsConfig gc = getGC(peer);
Rectangle r = peer.getBounds();
if (type == FLIP_BACKBUFFER) {
return new GLXOffScreenSurfaceData(peer, gc, r.width, r.height,
image, peer.getColorModel(),
FLIP_BACKBUFFER);
} else {
return new GLXVSyncOffScreenSurfaceData(peer, gc, r.width, r.height,
image, peer.getColorModel(),
type);
}
}
/**
* Creates a SurfaceData object representing an off-screen buffer (either
* a Pbuffer or Texture).
*/
public static GLXOffScreenSurfaceData createData(GLXGraphicsConfig gc,
int width, int height,
ColorModel cm,
Image image, int type)
{
return new GLXOffScreenSurfaceData(null, gc, width, height,
image, cm, type);
}
public static GLXGraphicsConfig getGC(X11ComponentPeer peer) {
if (peer != null) {
return (GLXGraphicsConfig)peer.getGraphicsConfiguration();
} else {
// REMIND: this should rarely (never?) happen, but what if
// default config is not GLX?
GraphicsEnvironment env =
GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice gd = env.getDefaultScreenDevice();
return (GLXGraphicsConfig)gd.getDefaultConfiguration();
}
}
public static class GLXWindowSurfaceData extends GLXSurfaceData {
public GLXWindowSurfaceData(X11ComponentPeer peer,
GLXGraphicsConfig gc)
{
super(peer, gc, peer.getColorModel(), WINDOW);
}
public SurfaceData getReplacement() {
return peer.getSurfaceData();
}
public Rectangle getBounds() {
Rectangle r = peer.getBounds();
r.x = r.y = 0;
return r;
}
/**
* Returns destination Component associated with this SurfaceData.
*/
public Object getDestination() {
return peer.getTarget();
}
}
/**
* A surface which implements a v-synced flip back-buffer with COPIED
* FlipContents.
*
* This surface serves as a back-buffer to the outside world, while
* it is actually an offscreen surface. When the BufferStrategy this surface
* belongs to is showed, it is first copied to the real private
* FLIP_BACKBUFFER, which is then flipped.
*/
public static class GLXVSyncOffScreenSurfaceData extends
GLXOffScreenSurfaceData
{
private GLXOffScreenSurfaceData flipSurface;
public GLXVSyncOffScreenSurfaceData(X11ComponentPeer peer,
GLXGraphicsConfig gc,
int width, int height,
Image image, ColorModel cm,
int type)
{
super(peer, gc, width, height, image, cm, type);
flipSurface = GLXSurfaceData.createData(peer, image, FLIP_BACKBUFFER);
}
public SurfaceData getFlipSurface() {
return flipSurface;
}
@Override
public void flush() {
flipSurface.flush();
super.flush();
}
}
public static class GLXOffScreenSurfaceData extends GLXSurfaceData {
private Image offscreenImage;
private int width, height;
public GLXOffScreenSurfaceData(X11ComponentPeer peer,
GLXGraphicsConfig gc,
int width, int height,
Image image, ColorModel cm,
int type)
{
super(peer, gc, cm, type);
this.width = width;
this.height = height;
offscreenImage = image;
initSurface(width, height);
}
public SurfaceData getReplacement() {
return restoreContents(offscreenImage);
}
public Rectangle getBounds() {
if (type == FLIP_BACKBUFFER) {
Rectangle r = peer.getBounds();
r.x = r.y = 0;
return r;
} else {
return new Rectangle(width, height);
}
}
/**
* Returns destination Image associated with this SurfaceData.
*/
public Object getDestination() {
return offscreenImage;
}
}
}
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