1 /*
2 * Copyright (c) 2004, 2009, 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.Component;
29 import java.awt.GraphicsConfiguration;
30 import java.awt.GraphicsDevice;
31 import java.awt.GraphicsEnvironment;
32 import java.awt.Image;
33 import java.awt.Rectangle;
34 import java.awt.image.ColorModel;
35 import sun.awt.SunToolkit;
36 import sun.awt.windows.WComponentPeer;
37 import sun.java2d.SurfaceData;
38
39 public abstract class WGLSurfaceData extends OGLSurfaceData {
40
41 protected WComponentPeer peer;
42 private WGLGraphicsConfig graphicsConfig;
43
44 private native void initOps(long pConfigInfo, WComponentPeer peer,
45 long hwnd);
46 protected native boolean initPbuffer(long pData, long pConfigInfo,
47 boolean isOpaque,
48 int width, int height);
49
50 protected WGLSurfaceData(WComponentPeer peer, WGLGraphicsConfig gc,
51 ColorModel cm, int type)
52 {
53 super(gc, cm, type);
54 this.peer = peer;
55 this.graphicsConfig = gc;
56
57 long pConfigInfo = gc.getNativeConfigInfo();
58 long hwnd = peer != null ? peer.getHWnd() : 0L;
59
60 initOps(pConfigInfo, peer, hwnd);
61 }
62
63 public GraphicsConfiguration getDeviceConfiguration() {
64 return graphicsConfig;
65 }
66
67 /**
68 * Creates a SurfaceData object representing the primary (front) buffer
69 * of an on-screen Window.
70 */
71 public static WGLWindowSurfaceData createData(WComponentPeer peer) {
72 // the OGL pipeline can render directly to the screen and interfere
73 // with layered windows, which is why we don't allow accelerated
74 // surfaces in this case
75 if (!peer.isAccelCapable() ||
76 !SunToolkit.isContainingTopLevelOpaque((Component)peer.getTarget()))
77 {
78 return null;
79 }
80 WGLGraphicsConfig gc = getGC(peer);
81 return new WGLWindowSurfaceData(peer, gc);
82 }
83
84 /**
85 * Creates a SurfaceData object representing the back buffer of a
86 * double-buffered on-screen Window.
87 */
88 public static WGLOffScreenSurfaceData createData(WComponentPeer peer,
89 Image image,
90 int type)
91 {
92 // the OGL pipeline can render directly to the screen and interfere
93 // with layered windows, which is why we don't allow accelerated
94 // surfaces in this case
95 if (!peer.isAccelCapable() ||
96 !SunToolkit.isContainingTopLevelOpaque((Component)peer.getTarget()))
97 {
98 return null;
99 }
100 WGLGraphicsConfig gc = getGC(peer);
101 Rectangle r = peer.getBounds();
102 if (type == FLIP_BACKBUFFER) {
103 return new WGLOffScreenSurfaceData(peer, gc, r.width, r.height,
104 image, peer.getColorModel(),
105 type);
106 } else {
107 return new WGLVSyncOffScreenSurfaceData(peer, gc, r.width, r.height,
108 image, peer.getColorModel(),
109 type);
110 }
111 }
112
113 /**
114 * Creates a SurfaceData object representing an off-screen buffer (either
115 * a Pbuffer or Texture).
116 */
117 public static WGLOffScreenSurfaceData createData(WGLGraphicsConfig gc,
118 int width, int height,
119 ColorModel cm,
120 Image image, int type)
121 {
122 return new WGLOffScreenSurfaceData(null, gc, width, height,
123 image, cm, type);
124 }
125
126 public static WGLGraphicsConfig getGC(WComponentPeer peer) {
127 if (peer != null) {
128 return (WGLGraphicsConfig)peer.getGraphicsConfiguration();
129 } else {
130 // REMIND: this should rarely (never?) happen, but what if
131 // default config is not WGL?
132 GraphicsEnvironment env =
133 GraphicsEnvironment.getLocalGraphicsEnvironment();
134 GraphicsDevice gd = env.getDefaultScreenDevice();
135 return (WGLGraphicsConfig)gd.getDefaultConfiguration();
136 }
137 }
138
139 public static class WGLWindowSurfaceData extends WGLSurfaceData {
140
141 public WGLWindowSurfaceData(WComponentPeer peer,
142 WGLGraphicsConfig gc)
143 {
144 super(peer, gc, peer.getColorModel(), WINDOW);
145 }
146
147 public SurfaceData getReplacement() {
148 return peer.getSurfaceData();
149 }
150
151 public Rectangle getBounds() {
152 Rectangle r = peer.getBounds();
153 r.x = r.y = 0;
154 return r;
155 }
156
157 /**
158 * Returns destination Component associated with this SurfaceData.
159 */
160 public Object getDestination() {
161 return peer.getTarget();
162 }
163 }
164
165 /**
166 * A surface which implements a v-synced flip back-buffer with COPIED
167 * FlipContents.
168 *
169 * This surface serves as a back-buffer to the outside world, while
170 * it is actually an offscreen surface. When the BufferStrategy this surface
171 * belongs to is showed, it is first copied to the real private
172 * FLIP_BACKBUFFER, which is then flipped.
173 */
174 public static class WGLVSyncOffScreenSurfaceData extends
175 WGLOffScreenSurfaceData
176 {
177 private WGLOffScreenSurfaceData flipSurface;
178
179 public WGLVSyncOffScreenSurfaceData(WComponentPeer peer,
180 WGLGraphicsConfig gc,
181 int width, int height,
182 Image image, ColorModel cm,
183 int type)
184 {
185 super(peer, gc, width, height, image, cm, type);
186 flipSurface = WGLSurfaceData.createData(peer, image, FLIP_BACKBUFFER);
187 }
188
189 public SurfaceData getFlipSurface() {
190 return flipSurface;
191 }
192
193 @Override
194 public void flush() {
195 flipSurface.flush();
196 super.flush();
197 }
198
199 }
200
201 public static class WGLOffScreenSurfaceData extends WGLSurfaceData {
202
203 private Image offscreenImage;
204 private int width, height;
205
206 public WGLOffScreenSurfaceData(WComponentPeer peer,
207 WGLGraphicsConfig gc,
208 int width, int height,
209 Image image, ColorModel cm,
210 int type)
211 {
212 super(peer, gc, cm, type);
213
214 this.width = width;
215 this.height = height;
216 offscreenImage = image;
217
218 initSurface(width, height);
219 }
220
221 public SurfaceData getReplacement() {
222 return restoreContents(offscreenImage);
223 }
224
225 public Rectangle getBounds() {
226 if (type == FLIP_BACKBUFFER) {
227 Rectangle r = peer.getBounds();
228 r.x = r.y = 0;
229 return r;
230 } else {
231 return new Rectangle(width, height);
232 }
233 }
234
235 /**
236 * Returns destination Image associated with this SurfaceData.
237 */
238 public Object getDestination() {
239 return offscreenImage;
240 }
241 }
242
243 /**
244 * Updates the layered window with the contents of the surface.
245 *
246 * @param psdops pointer to the native ogl sd structure
247 * @param pData pointer to the AwtWindow peer data
248 * @param w width of the window
249 * @param h height of the window
250 * @see sun.awt.windows.TranslucentWindowPainter
251 */
252 public static native boolean updateWindowAccelImpl(long psdops,
253 WComponentPeer peer,
254 int w, int h);
255 }