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(OGLGraphicsConfig gc, X11ComponentPeer peer,
44 long aData);
45
46 protected GLXSurfaceData(X11ComponentPeer peer, GLXGraphicsConfig gc,
47 ColorModel cm, int type)
48 {
49 super(gc, cm, type);
50 this.peer = peer;
51 this.graphicsConfig = gc;
52 initOps(gc, peer, graphicsConfig.getAData());
53 }
54
55 public GraphicsConfiguration getDeviceConfiguration() {
56 return graphicsConfig;
57 }
58
59 /**
60 * Creates a SurfaceData object representing the primary (front) buffer
61 * of an on-screen Window.
62 */
63 public static GLXWindowSurfaceData createData(X11ComponentPeer peer) {
64 GLXGraphicsConfig gc = getGC(peer);
65 return new GLXWindowSurfaceData(peer, gc);
66 }
67
68 /**
69 * Creates a SurfaceData object representing the back buffer of a
70 * double-buffered on-screen Window.
71 */
72 public static GLXOffScreenSurfaceData createData(X11ComponentPeer peer,
73 Image image,
74 int type)
75 {
76 GLXGraphicsConfig gc = getGC(peer);
77 Rectangle r = peer.getBounds();
78 if (type == FLIP_BACKBUFFER) {
79 return new GLXOffScreenSurfaceData(peer, gc, r.width, r.height,
80 image, peer.getColorModel(),
81 FLIP_BACKBUFFER);
82 } else {
83 return new GLXVSyncOffScreenSurfaceData(peer, gc, r.width, r.height,
84 image, peer.getColorModel(),
85 type);
86 }
87 }
88
89 /**
90 * Creates a SurfaceData object representing an off-screen buffer (either
91 * a FBO or Texture).
92 */
93 public static GLXOffScreenSurfaceData createData(GLXGraphicsConfig gc,
94 int width, int height,
95 ColorModel cm,
96 Image image, int type)
97 {
98 return new GLXOffScreenSurfaceData(null, gc, width, height,
99 image, cm, type);
100 }
101
102 public static GLXGraphicsConfig getGC(X11ComponentPeer peer) {
103 if (peer != null) {
104 return (GLXGraphicsConfig)peer.getGraphicsConfiguration();
105 } else {
106 // REMIND: this should rarely (never?) happen, but what if
107 // default config is not GLX?
108 GraphicsEnvironment env =
109 GraphicsEnvironment.getLocalGraphicsEnvironment();
110 GraphicsDevice gd = env.getDefaultScreenDevice();
111 return (GLXGraphicsConfig)gd.getDefaultConfiguration();
112 }
113 }
114
115 public static class GLXWindowSurfaceData extends GLXSurfaceData {
116 protected final int scale;
117
118 public GLXWindowSurfaceData(X11ComponentPeer peer,
119 GLXGraphicsConfig gc)
120 {
121 super(peer, gc, peer.getColorModel(), WINDOW);
122 scale = gc.getScale();
123 }
124
125 public SurfaceData getReplacement() {
126 return peer.getSurfaceData();
127 }
128
129 public Rectangle getBounds() {
130 Rectangle r = peer.getBounds();
131 r.x = r.y = 0;
132 r.width = (int) Math.ceil(r.width * scale);
133 r.height = (int) Math.ceil(r.height * scale);
134 return r;
135 }
136
137 /**
138 * Returns destination Component associated with this SurfaceData.
139 */
140 public Object getDestination() {
141 return peer.getTarget();
142 }
143
144 @Override
145 public double getDefaultScaleX() {
146 return scale;
147 }
148
149 @Override
150 public double getDefaultScaleY() {
151 return scale;
152 }
153 }
154
155 /**
156 * A surface which implements a v-synced flip back-buffer with COPIED
157 * FlipContents.
158 *
159 * This surface serves as a back-buffer to the outside world, while
160 * it is actually an offscreen surface. When the BufferStrategy this surface
161 * belongs to is showed, it is first copied to the real private
162 * FLIP_BACKBUFFER, which is then flipped.
163 */
164 public static class GLXVSyncOffScreenSurfaceData extends
165 GLXOffScreenSurfaceData
166 {
167 private GLXOffScreenSurfaceData flipSurface;
168
169 public GLXVSyncOffScreenSurfaceData(X11ComponentPeer peer,
170 GLXGraphicsConfig gc,
171 int width, int height,
172 Image image, ColorModel cm,
173 int type)
174 {
175 super(peer, gc, width, height, image, cm, type);
176 flipSurface = GLXSurfaceData.createData(peer, image, FLIP_BACKBUFFER);
177 }
178
179 public SurfaceData getFlipSurface() {
180 return flipSurface;
181 }
182
183 @Override
184 public void flush() {
185 flipSurface.flush();
186 super.flush();
187 }
188
189 }
190
191 public static class GLXOffScreenSurfaceData extends GLXSurfaceData {
192
193 private Image offscreenImage;
194 private int width, height;
195 private final int scale;
196
197 public GLXOffScreenSurfaceData(X11ComponentPeer peer,
198 GLXGraphicsConfig gc,
199 int width, int height,
200 Image image, ColorModel cm,
201 int type)
202 {
203 super(peer, gc, cm, type);
204
205 scale = gc.getDevice().getScaleFactor();
206 this.width = width * scale;
207 this.height = height * scale;
208 offscreenImage = image;
209
210 initSurface(this.width, this.height);
211 }
212
213 public SurfaceData getReplacement() {
214 return restoreContents(offscreenImage);
215 }
216
217 public Rectangle getBounds() {
218 if (type == FLIP_BACKBUFFER) {
219 Rectangle r = peer.getBounds();
220 r.x = r.y = 0;
221 r.width = (int) Math.ceil(r.width * scale);
222 r.height = (int) Math.ceil(r.height * scale);
223 return r;
224 } else {
225 return new Rectangle(width, height);
226 }
227 }
228
229 /**
230 * Returns destination Image associated with this SurfaceData.
231 */
232 public Object getDestination() {
233 return offscreenImage;
234 }
235
236 @Override
237 public double getDefaultScaleX() {
238 return scale;
239 }
240
241 @Override
242 public double getDefaultScaleY() {
243 return scale;
244 }
245 }
246 }