Source Code Cross Referenced for X11NativeConfigTemplate3D.java in  » 6.0-JDK-Modules » java-3d » javax » media » j3d » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » java 3d » javax.media.j3d 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $RCSfile: X11NativeConfigTemplate3D.java,v $
003:         *
004:         * Copyright 1998-2008 Sun Microsystems, Inc.  All Rights Reserved.
005:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
006:         *
007:         * This code is free software; you can redistribute it and/or modify it
008:         * under the terms of the GNU General Public License version 2 only, as
009:         * published by the Free Software Foundation.  Sun designates this
010:         * particular file as subject to the "Classpath" exception as provided
011:         * by Sun in the LICENSE file that accompanied this code.
012:         *
013:         * This code is distributed in the hope that it will be useful, but WITHOUT
014:         * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
015:         * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
016:         * version 2 for more details (a copy is included in the LICENSE file that
017:         * accompanied this code).
018:         *
019:         * You should have received a copy of the GNU General Public License version
020:         * 2 along with this work; if not, write to the Free Software Foundation,
021:         * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
022:         *
023:         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
024:         * CA 95054 USA or visit www.sun.com if you need additional information or
025:         * have any questions.
026:         *
027:         * $Revision: 1.2 $
028:         * $Date: 2008/02/28 20:17:57 $
029:         * $State: Exp $
030:         */
031:
032:        package javax.media.j3d;
033:
034:        import java.awt.GraphicsDevice;
035:        import java.awt.GraphicsConfiguration;
036:        import java.awt.GraphicsConfigTemplate;
037:        import java.awt.Rectangle;
038:        import sun.awt.X11GraphicsDevice;
039:        import sun.awt.X11GraphicsConfig;
040:
041:        /**
042:         * Native config template class. A singleton instance of this class is
043:         * created by a factory method in the base class using reflection.
044:         */
045:        class X11NativeConfigTemplate3D extends NativeConfigTemplate3D {
046:            private final static boolean debug = false;
047:
048:            X11NativeConfigTemplate3D() {
049:            }
050:
051:            // Native method to get an OpenGL visual id and a pointer to the
052:            // GLXFBConfig structure list itself.
053:            native int chooseOglVisual(long display, int screen,
054:                    int[] attrList, long[] fbConfig);
055:
056:            // Native method to free an GLXFBConfig struct.  This is static since it
057:            // may need to be called to clean up the Canvas3D graphicsConfigTable
058:            // after the X11NativeConfigTemplate3D has been disposed of.
059:            static native void freeFBConfig(long fbConfig);
060:
061:            // Native methods to return whether a particular attribute is available
062:            native boolean isStereoAvailable(long display, int screen, int vid);
063:
064:            native boolean isDoubleBufferAvailable(long display, int screen,
065:                    int vid);
066:
067:            native boolean isSceneAntialiasingAccumAvailable(long display,
068:                    int screen, int vid);
069:
070:            native boolean isSceneAntialiasingMultisampleAvailable(
071:                    long display, int screen, int vid);
072:
073:            native int getStencilSize(long display, int screen, int vid);
074:
075:            /*
076:             *  Chooses the best FBConfig for Java 3D apps.
077:             */
078:            @Override
079:            GraphicsConfiguration getBestConfiguration(
080:                    GraphicsConfigTemplate3D template,
081:                    GraphicsConfiguration[] gc) {
082:
083:                X11GraphicsDevice gd = (X11GraphicsDevice) ((X11GraphicsConfig) gc[0])
084:                        .getDevice();
085:
086:                if (!X11NativeScreenInfo.isGLX13()) {
087:                    return null;
088:                }
089:
090:                long display = NativeScreenInfo.getNativeScreenInfo()
091:                        .getDisplay();
092:                int screen = NativeScreenInfo.getNativeScreenInfo().getScreen(
093:                        gd);
094:
095:                if (debug) {
096:                    System.out
097:                            .println("  X11NativeConfigTemplate3D: using device "
098:                                    + gd);
099:                    System.out.println("    display " + display + " screen "
100:                            + screen);
101:                    System.out.println("    configuration count: " + gc.length);
102:                    for (int i = 0; i < gc.length; i++) {
103:                        System.out.println("      visual id at index " + i
104:                                + ": "
105:                                + ((X11GraphicsConfig) gc[i]).getVisual());
106:                    }
107:                }
108:
109:                Rectangle bounds = gc[0].getBounds();
110:                if ((bounds.x != 0 || bounds.y != 0)
111:                        && (!VirtualUniverse.mc.xineramaDisabled)) {
112:                    // Xinerama is being used.  The screen needs to be set to 0 since
113:                    // glxChooseFBConfig will not return a valid visual otherwise.
114:                    screen = 0;
115:                    if (debug) {
116:                        System.out.println("  Non-primary Xinerama screen:");
117:                        System.out.println("    bounds = " + bounds);
118:                        System.out.println("    using screen 0 visual");
119:                    }
120:                }
121:
122:                int[] attrList; // holds the list of attributes to be translated
123:                // for glxChooseFBConfig call
124:
125:                attrList = new int[NUM_ITEMS];
126:
127:                // assign template values to array
128:                attrList[RED_SIZE] = template.getRedSize();
129:                attrList[GREEN_SIZE] = template.getGreenSize();
130:                attrList[BLUE_SIZE] = template.getBlueSize();
131:
132:                attrList[DEPTH_SIZE] = template.getDepthSize();
133:                attrList[DOUBLEBUFFER] = template.getDoubleBuffer();
134:                attrList[STEREO] = template.getStereo();
135:                attrList[ANTIALIASING] = template.getSceneAntialiasing();
136:                attrList[STENCIL_SIZE] = template.getStencilSize();
137:                // System.out.println("X11NativeConfigTemplate3D : getStencilSize " + 
138:                // attrList[STENCIL_SIZE]);
139:
140:                long[] fbConfig = new long[1];
141:                int visID = chooseOglVisual(display, screen, attrList, fbConfig);
142:                if (debug) {
143:                    System.out.println("  chooseOglVisual() returns " + visID);
144:                    System.out.println("  pointer to GLXFBConfig is "
145:                            + fbConfig[0]);
146:                    System.out.println();
147:                }
148:
149:                if (visID == 0 || fbConfig[0] == 0) {
150:                    return null; // no valid visual was found
151:                }
152:
153:                // search list of graphics configurations for config
154:                // with matching visualId
155:                X11GraphicsConfig gc0 = null;
156:                for (int i = 0; i < gc.length; i++) {
157:                    if (((X11GraphicsConfig) gc[i]).getVisual() == visID) {
158:                        gc0 = (X11GraphicsConfig) gc[i];
159:                        break;
160:                    }
161:                }
162:
163:                // Just return if we didn't find a match
164:                if (gc0 == null) {
165:                    return null;
166:                }
167:
168:                // Create a new GraphicsConfig object based on the one we found
169:                X11GraphicsConfig gc1 = X11GraphicsConfig.getConfig(gd, gc0
170:                        .getVisual(), gc0.getDepth(), gc0.getColormap(), false);
171:
172:                // We need to cache the GraphicsTemplate3D and the private
173:                // fbconfig info.
174:                synchronized (Canvas3D.graphicsConfigTable) {
175:                    if (Canvas3D.graphicsConfigTable.get(gc1) == null) {
176:                        GraphicsConfigInfo gcInfo = new GraphicsConfigInfo(
177:                                template);
178:                        gcInfo.setPrivateData(new Long(fbConfig[0]));
179:                        Canvas3D.graphicsConfigTable.put(gc1, gcInfo);
180:                    } else {
181:                        freeFBConfig(fbConfig[0]);
182:                    }
183:                }
184:                return gc1;
185:            }
186:
187:            /*
188:             * Determine if a given GraphicsConfiguration object can be used
189:             * by Java 3D.
190:             */
191:            @Override
192:            boolean isGraphicsConfigSupported(
193:                    GraphicsConfigTemplate3D template, GraphicsConfiguration gc) {
194:
195:                X11GraphicsDevice gd = (X11GraphicsDevice) ((X11GraphicsConfig) gc)
196:                        .getDevice();
197:
198:                if (!X11NativeScreenInfo.isGLX13()) {
199:                    return false;
200:                }
201:
202:                long display = NativeScreenInfo.getNativeScreenInfo()
203:                        .getDisplay();
204:                int screen = NativeScreenInfo.getNativeScreenInfo().getScreen(
205:                        gd);
206:
207:                int[] attrList; // holds the list of attributes to be tramslated
208:                // for glxChooseVisual call
209:
210:                attrList = new int[NUM_ITEMS];
211:
212:                // assign template values to array
213:                attrList[RED_SIZE] = template.getRedSize();
214:                attrList[GREEN_SIZE] = template.getGreenSize();
215:                attrList[BLUE_SIZE] = template.getBlueSize();
216:
217:                attrList[DEPTH_SIZE] = template.getDepthSize();
218:                attrList[DOUBLEBUFFER] = template.getDoubleBuffer();
219:                attrList[STEREO] = template.getStereo();
220:                attrList[ANTIALIASING] = template.getSceneAntialiasing();
221:                attrList[STENCIL_SIZE] = template.getStencilSize();
222:                // System.out.println("X11NativeConfigTemplate3D : getStencilSize " + 
223:                // attrList[STENCIL_SIZE]);
224:
225:                long[] fbConfig = new long[1];
226:                int visID = chooseOglVisual(display, screen, attrList, fbConfig);
227:
228:                if (visID == 0 || fbConfig[0] == 0)
229:                    return false; // no valid visual was found
230:                else
231:                    return true;
232:            }
233:
234:            // Return whether stereo is available.
235:            @Override
236:            boolean hasStereo(Canvas3D c3d) {
237:                GraphicsConfiguration gc = c3d.graphicsConfiguration;
238:
239:                X11GraphicsDevice gd = (X11GraphicsDevice) ((X11GraphicsConfig) gc)
240:                        .getDevice();
241:
242:                long display = NativeScreenInfo.getNativeScreenInfo()
243:                        .getDisplay();
244:                int screen = NativeScreenInfo.getNativeScreenInfo().getScreen(
245:                        gd);
246:                int vid = ((X11GraphicsConfig) gc).getVisual();
247:
248:                return isStereoAvailable(display, screen, vid);
249:            }
250:
251:            // Return the stencil of this canvas.
252:            @Override
253:            int getStencilSize(Canvas3D c3d) {
254:                GraphicsConfiguration gc = c3d.graphicsConfiguration;
255:
256:                X11GraphicsDevice gd = (X11GraphicsDevice) ((X11GraphicsConfig) gc)
257:                        .getDevice();
258:
259:                long display = NativeScreenInfo.getNativeScreenInfo()
260:                        .getDisplay();
261:                int screen = NativeScreenInfo.getNativeScreenInfo().getScreen(
262:                        gd);
263:                int vid = ((X11GraphicsConfig) gc).getVisual();
264:
265:                return getStencilSize(display, screen, vid);
266:            }
267:
268:            // Return whether a double buffer is available.
269:            @Override
270:            boolean hasDoubleBuffer(Canvas3D c3d) {
271:                GraphicsConfiguration gc = c3d.graphicsConfiguration;
272:
273:                X11GraphicsDevice gd = (X11GraphicsDevice) ((X11GraphicsConfig) gc)
274:                        .getDevice();
275:
276:                long display = NativeScreenInfo.getNativeScreenInfo()
277:                        .getDisplay();
278:                int screen = NativeScreenInfo.getNativeScreenInfo().getScreen(
279:                        gd);
280:                int vid = ((X11GraphicsConfig) gc).getVisual();
281:
282:                return isDoubleBufferAvailable(display, screen, vid);
283:            }
284:
285:            // Return whether scene antialiasing is available.
286:            @Override
287:            boolean hasSceneAntialiasingAccum(Canvas3D c3d) {
288:                GraphicsConfiguration gc = c3d.graphicsConfiguration;
289:
290:                X11GraphicsDevice gd = (X11GraphicsDevice) ((X11GraphicsConfig) gc)
291:                        .getDevice();
292:
293:                long display = NativeScreenInfo.getNativeScreenInfo()
294:                        .getDisplay();
295:                int screen = NativeScreenInfo.getNativeScreenInfo().getScreen(
296:                        gd);
297:                int vid = ((X11GraphicsConfig) gc).getVisual();
298:
299:                return isSceneAntialiasingAccumAvailable(display, screen, vid);
300:            }
301:
302:            // Return whether scene antialiasing is available.
303:            @Override
304:            boolean hasSceneAntialiasingMultisample(Canvas3D c3d) {
305:                GraphicsConfiguration gc = c3d.graphicsConfiguration;
306:
307:                X11GraphicsDevice gd = (X11GraphicsDevice) ((X11GraphicsConfig) gc)
308:                        .getDevice();
309:
310:                long display = NativeScreenInfo.getNativeScreenInfo()
311:                        .getDisplay();
312:                int screen = NativeScreenInfo.getNativeScreenInfo().getScreen(
313:                        gd);
314:                int vid = ((X11GraphicsConfig) gc).getVisual();
315:
316:                return isSceneAntialiasingMultisampleAvailable(display, screen,
317:                        vid);
318:            }
319:
320:            // Ensure that the native libraries are loaded
321:            static {
322:                VirtualUniverse.loadLibraries();
323:            }
324:        }
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