1 /*
2 * Copyright (c) 2003, 2017, 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.image.ColorModel;
34
35 import sun.awt.X11ComponentPeer;
36 import sun.java2d.SurfaceData;
37
38 public abstract class GLXSurfaceData extends OGLSurfaceData {
39
40 protected X11ComponentPeer peer;
41 private GLXGraphicsConfig graphicsConfig;
42
43 private native void initOps(X11ComponentPeer peer, long aData);
44
45 protected GLXSurfaceData(X11ComponentPeer peer, GLXGraphicsConfig gc,
46 ColorModel cm, int type)
47 {
48 super(gc, cm, type);
49 this.peer = peer;
50 this.graphicsConfig = gc;
51 initOps(peer, graphicsConfig.getAData());
52 }
53
54 public GraphicsConfiguration getDeviceConfiguration() {
55 return graphicsConfig;
56 }
57
58 /**
59 * Creates a SurfaceData object representing the primary (front) buffer
60 * of an on-screen Window.
61 */
62 public static GLXWindowSurfaceData createData(X11ComponentPeer peer) {
63 GLXGraphicsConfig gc = getGC(peer);
64 return new GLXWindowSurfaceData(peer, gc);
65 }
66
67 /**
68 * Creates a SurfaceData object representing the back buffer of a
69 * double-buffered on-screen Window.
70 */
71 public static GLXOffScreenSurfaceData createData(X11ComponentPeer peer,
72 Image image,
73 int type)
74 {
75 GLXGraphicsConfig gc = getGC(peer);
76 Rectangle r = peer.getBounds();
77 if (type == FLIP_BACKBUFFER) {
78 return new GLXOffScreenSurfaceData(peer, gc, r.width, r.height,
79 image, peer.getColorModel(),
80 FLIP_BACKBUFFER);
81 } else {
82 return new GLXVSyncOffScreenSurfaceData(peer, gc, r.width, r.height,
83 image, peer.getColorModel(),
84 type);
85 }
86 }
87
88 /**
89 * Creates a SurfaceData object representing an off-screen buffer (either
90 * a FBO or Texture).
91 */
92 public static GLXOffScreenSurfaceData createData(GLXGraphicsConfig gc,
93 int width, int height,
94 ColorModel cm,
95 Image image, int type)
96 {
97 return new GLXOffScreenSurfaceData(null, gc, width, height,
98 image, cm, type);
99 }
100
101 public static GLXGraphicsConfig getGC(X11ComponentPeer peer) {
102 if (peer != null) {
103 return (GLXGraphicsConfig)peer.getGraphicsConfiguration();
104 } else {
105 // REMIND: this should rarely (never?) happen, but what if
106 // default config is not GLX?
107 GraphicsEnvironment env =
108 GraphicsEnvironment.getLocalGraphicsEnvironment();
109 GraphicsDevice gd = env.getDefaultScreenDevice();
110 return (GLXGraphicsConfig)gd.getDefaultConfiguration();
111 }
112 }
113
114 public static class GLXWindowSurfaceData extends GLXSurfaceData {
115 protected final int scale;
116
117 public GLXWindowSurfaceData(X11ComponentPeer peer,
118 GLXGraphicsConfig gc)
119 {
120 super(peer, gc, peer.getColorModel(), WINDOW);
121 scale = gc.getScale();
122 }
123
124 public SurfaceData getReplacement() {
125 return peer.getSurfaceData();
126 }
127
128 public Rectangle getBounds() {
129 Rectangle r = peer.getBounds();
130 r.x = r.y = 0;
131 r.width = (int) Math.ceil(r.width * scale);
132 r.height = (int) Math.ceil(r.height * scale);
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 @Override
144 public double getDefaultScaleX() {
145 return scale;
146 }
147
148 @Override
149 public double getDefaultScaleY() {
150 return scale;
151 }
152 }
153
154 /**
155 * A surface which implements a v-synced flip back-buffer with COPIED
156 * FlipContents.
157 *
158 * This surface serves as a back-buffer to the outside world, while
159 * it is actually an offscreen surface. When the BufferStrategy this surface
160 * belongs to is showed, it is first copied to the real private
161 * FLIP_BACKBUFFER, which is then flipped.
162 */
163 public static class GLXVSyncOffScreenSurfaceData extends
164 GLXOffScreenSurfaceData
165 {
166 private GLXOffScreenSurfaceData flipSurface;
167
168 public GLXVSyncOffScreenSurfaceData(X11ComponentPeer peer,
169 GLXGraphicsConfig gc,
170 int width, int height,
171 Image image, ColorModel cm,
172 int type)
173 {
174 super(peer, gc, width, height, image, cm, type);
175 flipSurface = GLXSurfaceData.createData(peer, image, FLIP_BACKBUFFER);
176 }
177
178 public SurfaceData getFlipSurface() {
179 return flipSurface;
180 }
181
182 @Override
183 public void flush() {
184 flipSurface.flush();
185 super.flush();
186 }
187
188 }
189
190 public static class GLXOffScreenSurfaceData extends GLXSurfaceData {
191
192 private Image offscreenImage;
193 private int width, height;
194 private final int scale;
195
196 public GLXOffScreenSurfaceData(X11ComponentPeer peer,
197 GLXGraphicsConfig gc,
198 int width, int height,
199 Image image, ColorModel cm,
200 int type)
201 {
202 super(peer, gc, cm, type);
203
204 scale = gc.getDevice().getScaleFactor();
205 this.width = width * scale;
206 this.height = height * scale;
207 offscreenImage = image;
208
209 initSurface(this.width, this.height);
210 }
211
212 public SurfaceData getReplacement() {
213 return restoreContents(offscreenImage);
214 }
215
216 public Rectangle getBounds() {
217 if (type == FLIP_BACKBUFFER) {
218 Rectangle r = peer.getBounds();
219 r.x = r.y = 0;
220 r.width = (int) Math.ceil(r.width * scale);
221 r.height = (int) Math.ceil(r.height * scale);
222 return r;
223 } else {
224 return new Rectangle(width, height);
225 }
226 }
227
228 /**
229 * Returns destination Image associated with this SurfaceData.
230 */
231 public Object getDestination() {
232 return offscreenImage;
233 }
234
235 @Override
236 public double getDefaultScaleX() {
237 return scale;
238 }
239
240 @Override
241 public double getDefaultScaleY() {
242 return scale;
243 }
244 }
245 }