1 /*
2 * Copyright (c) 2004, 2015, 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.geom.AffineTransform;
35 import java.awt.image.ColorModel;
36 import sun.awt.SunToolkit;
37 import sun.awt.Win32GraphicsDevice;
38 import sun.awt.windows.WComponentPeer;
39 import sun.java2d.SurfaceData;
40 import sun.java2d.pipe.Region;
41
42 public abstract class WGLSurfaceData extends OGLSurfaceData {
43
44 protected WComponentPeer peer;
45 private WGLGraphicsConfig graphicsConfig;
46 protected double scaleX = 1;
47 protected double scaleY = 1;
48
49 private native void initOps(long pConfigInfo, WComponentPeer peer,
50 long hwnd);
51
52 protected WGLSurfaceData(WComponentPeer peer, WGLGraphicsConfig gc,
53 ColorModel cm, int type)
54 {
55 super(gc, cm, type);
56 this.peer = peer;
57 this.graphicsConfig = gc;
58 Win32GraphicsDevice device = gc.getDevice();
59 this.scaleX = type == TEXTURE ? 1 : device.getDefaultScaleX();
60 this.scaleY = type == TEXTURE ? 1 : device.getDefaultScaleY();
61
62 long pConfigInfo = gc.getNativeConfigInfo();
63 long hwnd = peer != null ? peer.getHWnd() : 0L;
64
65 initOps(pConfigInfo, peer, hwnd);
66 }
67
68 @Override
69 public double getDefaultScaleX() {
70 return scaleX;
71 }
72
73 @Override
74 public double getDefaultScaleY() {
75 return scaleY;
76 }
77
78 public GraphicsConfiguration getDeviceConfiguration() {
79 return graphicsConfig;
80 }
81
82 /**
83 * Creates a SurfaceData object representing the primary (front) buffer
84 * of an on-screen Window.
85 */
86 public static WGLWindowSurfaceData createData(WComponentPeer peer) {
87 // the OGL pipeline can render directly to the screen and interfere
88 // with layered windows, which is why we don't allow accelerated
89 // surfaces in this case
90 if (!peer.isAccelCapable() ||
91 !SunToolkit.isContainingTopLevelOpaque((Component)peer.getTarget()))
92 {
93 return null;
94 }
95 WGLGraphicsConfig gc = getGC(peer);
96 return new WGLWindowSurfaceData(peer, gc);
97 }
98
99 /**
100 * Creates a SurfaceData object representing the back buffer of a
101 * double-buffered on-screen Window.
102 */
103 public static WGLOffScreenSurfaceData createData(WComponentPeer peer,
104 Image image,
105 int type)
106 {
107 // the OGL pipeline can render directly to the screen and interfere
108 // with layered windows, which is why we don't allow accelerated
109 // surfaces in this case
110 if (!peer.isAccelCapable() ||
111 !SunToolkit.isContainingTopLevelOpaque((Component)peer.getTarget()))
112 {
113 return null;
114 }
115 WGLGraphicsConfig gc = getGC(peer);
116 Rectangle r = peer.getBounds();
117 if (type == FLIP_BACKBUFFER) {
118 return new WGLOffScreenSurfaceData(peer, gc, r.width, r.height,
119 image, peer.getColorModel(),
120 type);
121 } else {
122 return new WGLVSyncOffScreenSurfaceData(peer, gc, r.width, r.height,
123 image, peer.getColorModel(),
124 type);
125 }
126 }
127
128 /**
129 * Creates a SurfaceData object representing an off-screen buffer (either
130 * a Pbuffer or Texture).
131 */
132 public static WGLOffScreenSurfaceData createData(WGLGraphicsConfig gc,
133 int width, int height,
134 ColorModel cm,
135 Image image, int type)
136 {
137 return new WGLOffScreenSurfaceData(null, gc, width, height,
138 image, cm, type);
139 }
140
141 public static WGLGraphicsConfig getGC(WComponentPeer peer) {
142 if (peer != null) {
143 return (WGLGraphicsConfig)peer.getGraphicsConfiguration();
144 } else {
145 // REMIND: this should rarely (never?) happen, but what if
146 // default config is not WGL?
147 GraphicsEnvironment env =
148 GraphicsEnvironment.getLocalGraphicsEnvironment();
149 GraphicsDevice gd = env.getDefaultScreenDevice();
150 return (WGLGraphicsConfig)gd.getDefaultConfiguration();
151 }
152 }
153
154 public static class WGLWindowSurfaceData extends WGLSurfaceData {
155
156 public WGLWindowSurfaceData(WComponentPeer peer,
157 WGLGraphicsConfig gc)
158 {
159 super(peer, gc, peer.getColorModel(), WINDOW);
160 }
161
162 public SurfaceData getReplacement() {
163 return peer.getSurfaceData();
164 }
165
166 public Rectangle getBounds() {
167 Rectangle r = peer.getBounds();
168 r.x = r.y = 0;
169 r.width = Region.clipRound(r.width * scaleX);
170 r.height = Region.clipRound(r.height * scaleY);
171 return r;
172 }
173
174 /**
175 * Returns destination Component associated with this SurfaceData.
176 */
177 public Object getDestination() {
178 return peer.getTarget();
179 }
180 }
181
182 /**
183 * A surface which implements a v-synced flip back-buffer with COPIED
184 * FlipContents.
185 *
186 * This surface serves as a back-buffer to the outside world, while
187 * it is actually an offscreen surface. When the BufferStrategy this surface
188 * belongs to is showed, it is first copied to the real private
189 * FLIP_BACKBUFFER, which is then flipped.
190 */
191 public static class WGLVSyncOffScreenSurfaceData extends
192 WGLOffScreenSurfaceData
193 {
194 private WGLOffScreenSurfaceData flipSurface;
195
196 public WGLVSyncOffScreenSurfaceData(WComponentPeer peer,
197 WGLGraphicsConfig gc,
198 int width, int height,
199 Image image, ColorModel cm,
200 int type)
201 {
202 super(peer, gc, width, height, image, cm, type);
203 flipSurface = WGLSurfaceData.createData(peer, image, FLIP_BACKBUFFER);
204 }
205
206 public SurfaceData getFlipSurface() {
207 return flipSurface;
208 }
209
210 @Override
211 public void flush() {
212 flipSurface.flush();
213 super.flush();
214 }
215
216 }
217
218 public static class WGLOffScreenSurfaceData extends WGLSurfaceData {
219
220 private Image offscreenImage;
221 private int width, height;
222
223 public WGLOffScreenSurfaceData(WComponentPeer peer,
224 WGLGraphicsConfig gc,
225 int width, int height,
226 Image image, ColorModel cm,
227 int type)
228 {
229 super(peer, gc, cm, type);
230
231 this.width = Region.clipRound(width * scaleX);
232 this.height = Region.clipRound(height * scaleY);
233 offscreenImage = image;
234
235 initSurface(this.width, this.height);
236 }
237
238 public SurfaceData getReplacement() {
239 return restoreContents(offscreenImage);
240 }
241
242 public Rectangle getBounds() {
243 if (type == FLIP_BACKBUFFER) {
244 Rectangle r = peer.getBounds();
245 r.width = Region.clipRound(r.width * scaleX);
246 r.height = Region.clipRound(r.height * scaleY);
247 r.x = r.y = 0;
248 return r;
249 } else {
250 return new Rectangle(width, height);
251 }
252 }
253
254 /**
255 * Returns destination Image associated with this SurfaceData.
256 */
257 public Object getDestination() {
258 return offscreenImage;
259 }
260 }
261
262 /**
263 * Updates the layered window with the contents of the surface.
264 *
265 * @param psdops pointer to the native ogl sd structure
266 * @param peer pointer to the AwtWindow peer data
267 * @param w width of the window
268 * @param h height of the window
269 * @see sun.awt.windows.TranslucentWindowPainter
270 */
271 public static native boolean updateWindowAccelImpl(long psdops,
272 WComponentPeer peer,
273 int w, int h);
274 }