1 /*
2 * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.java2d.opengl;
27
28 import java.awt.GraphicsConfiguration;
29 import java.awt.GraphicsDevice;
30 import java.awt.GraphicsEnvironment;
31 import java.awt.Image;
32 import java.awt.Rectangle;
33 import java.awt.Transparency;
34 import java.awt.image.ColorModel;
35 import sun.awt.X11ComponentPeer;
36 import sun.java2d.SurfaceData;
37 import sun.java2d.loops.SurfaceType;
38
39 public abstract class GLXSurfaceData extends OGLSurfaceData {
40
41 protected X11ComponentPeer peer;
42 private GLXGraphicsConfig graphicsConfig;
43
44 private native void initOps(X11ComponentPeer peer, long aData);
45 protected native boolean initPbuffer(long pData, long pConfigInfo,
46 boolean isOpaque,
47 int width, int height);
48
49 protected GLXSurfaceData(X11ComponentPeer peer, GLXGraphicsConfig gc,
50 ColorModel cm, int type)
51 {
52 super(gc, cm, type);
53 this.peer = peer;
54 this.graphicsConfig = gc;
55 initOps(peer, graphicsConfig.getAData());
56 }
57
58 public GraphicsConfiguration getDeviceConfiguration() {
59 return graphicsConfig;
60 }
61
62 /**
63 * Creates a SurfaceData object representing the primary (front) buffer
64 * of an on-screen Window.
65 */
66 public static GLXWindowSurfaceData createData(X11ComponentPeer peer) {
67 GLXGraphicsConfig gc = getGC(peer);
68 return new GLXWindowSurfaceData(peer, gc);
69 }
70
71 /**
72 * Creates a SurfaceData object representing the back buffer of a
73 * double-buffered on-screen Window.
74 */
75 public static GLXOffScreenSurfaceData createData(X11ComponentPeer peer,
76 Image image,
77 int type)
78 {
79 GLXGraphicsConfig gc = getGC(peer);
80 Rectangle r = peer.getBounds();
81 if (type == FLIP_BACKBUFFER) {
82 return new GLXOffScreenSurfaceData(peer, gc, r.width, r.height,
83 image, peer.getColorModel(),
84 FLIP_BACKBUFFER);
85 } else {
86 return new GLXVSyncOffScreenSurfaceData(peer, gc, r.width, r.height,
87 image, peer.getColorModel(),
88 type);
89 }
90 }
91
92 /**
93 * Creates a SurfaceData object representing an off-screen buffer (either
94 * a Pbuffer or Texture).
95 */
96 public static GLXOffScreenSurfaceData createData(GLXGraphicsConfig gc,
97 int width, int height,
98 ColorModel cm,
99 Image image, int type)
100 {
101 return new GLXOffScreenSurfaceData(null, gc, width, height,
102 image, cm, type);
103 }
104
105 public static GLXGraphicsConfig getGC(X11ComponentPeer peer) {
106 if (peer != null) {
107 return (GLXGraphicsConfig)peer.getGraphicsConfiguration();
108 } else {
109 // REMIND: this should rarely (never?) happen, but what if
110 // default config is not GLX?
111 GraphicsEnvironment env =
112 GraphicsEnvironment.getLocalGraphicsEnvironment();
113 GraphicsDevice gd = env.getDefaultScreenDevice();
114 return (GLXGraphicsConfig)gd.getDefaultConfiguration();
115 }
116 }
117
118 public static class GLXWindowSurfaceData extends GLXSurfaceData {
119
120 public GLXWindowSurfaceData(X11ComponentPeer peer,
121 GLXGraphicsConfig gc)
122 {
123 super(peer, gc, peer.getColorModel(), WINDOW);
124 }
125
126 public SurfaceData getReplacement() {
127 return peer.getSurfaceData();
128 }
129
130 public Rectangle getBounds() {
131 Rectangle r = peer.getBounds();
132 r.x = r.y = 0;
133 return r;
134 }
135
136 /**
137 * Returns destination Component associated with this SurfaceData.
138 */
139 public Object getDestination() {
140 return peer.getTarget();
141 }
142 }
143
144 /**
145 * A surface which implements a v-synced flip back-buffer with COPIED
146 * FlipContents.
147 *
148 * This surface serves as a back-buffer to the outside world, while
149 * it is actually an offscreen surface. When the BufferStrategy this surface
150 * belongs to is showed, it is first copied to the real private
151 * FLIP_BACKBUFFER, which is then flipped.
152 */
153 public static class GLXVSyncOffScreenSurfaceData extends
154 GLXOffScreenSurfaceData
155 {
156 private GLXOffScreenSurfaceData flipSurface;
157
158 public GLXVSyncOffScreenSurfaceData(X11ComponentPeer peer,
159 GLXGraphicsConfig gc,
160 int width, int height,
161 Image image, ColorModel cm,
162 int type)
163 {
164 super(peer, gc, width, height, image, cm, type);
165 flipSurface = GLXSurfaceData.createData(peer, image, FLIP_BACKBUFFER);
166 }
167
168 public SurfaceData getFlipSurface() {
169 return flipSurface;
170 }
171
172 @Override
173 public void flush() {
174 flipSurface.flush();
175 super.flush();
176 }
177
178 }
179
180 public static class GLXOffScreenSurfaceData extends GLXSurfaceData {
181
182 private Image offscreenImage;
183 private int width, height;
184
185 public GLXOffScreenSurfaceData(X11ComponentPeer peer,
186 GLXGraphicsConfig gc,
187 int width, int height,
188 Image image, ColorModel cm,
189 int type)
190 {
191 super(peer, gc, cm, type);
192
193 this.width = width;
194 this.height = height;
195 offscreenImage = image;
196
197 initSurface(width, height);
198 }
199
200 public SurfaceData getReplacement() {
201 return restoreContents(offscreenImage);
202 }
203
204 public Rectangle getBounds() {
205 if (type == FLIP_BACKBUFFER) {
206 Rectangle r = peer.getBounds();
207 r.x = r.y = 0;
208 return r;
209 } else {
210 return new Rectangle(width, height);
211 }
212 }
213
214 /**
215 * Returns destination Image associated with this SurfaceData.
216 */
217 public Object getDestination() {
218 return offscreenImage;
219 }
220 }
221 }