J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2007 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.java2d.opengl; |
| 27 | |
| 28 | import java.awt.AWTException; |
| 29 | import java.awt.BufferCapabilities; |
| 30 | import java.awt.Component; |
| 31 | import java.awt.Graphics; |
| 32 | import java.awt.Image; |
| 33 | import java.awt.ImageCapabilities; |
| 34 | import java.awt.Transparency; |
| 35 | import java.awt.color.ColorSpace; |
| 36 | import java.awt.image.BufferedImage; |
| 37 | import java.awt.image.ColorModel; |
| 38 | import java.awt.image.DataBuffer; |
| 39 | import java.awt.image.DirectColorModel; |
| 40 | import java.awt.image.VolatileImage; |
| 41 | import java.awt.image.WritableRaster; |
| 42 | import sun.awt.X11ComponentPeer; |
| 43 | import sun.awt.X11GraphicsConfig; |
| 44 | import sun.awt.X11GraphicsDevice; |
| 45 | import sun.awt.X11GraphicsEnvironment; |
| 46 | import sun.awt.image.OffScreenImage; |
| 47 | import sun.awt.image.SunVolatileImage; |
| 48 | import sun.java2d.SurfaceData; |
| 49 | |
| 50 | public class GLXGraphicsConfig |
| 51 | extends X11GraphicsConfig |
| 52 | implements OGLGraphicsConfig |
| 53 | { |
| 54 | private static ImageCapabilities imageCaps = new GLXImageCaps(); |
| 55 | private BufferCapabilities bufferCaps; |
| 56 | private long pConfigInfo; |
| 57 | private int oglCaps; |
| 58 | private OGLContext context; |
| 59 | |
| 60 | private static native long getGLXConfigInfo(int screennum, int visualnum); |
| 61 | private static native int getOGLCapabilities(long configInfo); |
| 62 | private native void initConfig(long aData, long ctxinfo); |
| 63 | |
| 64 | private GLXGraphicsConfig(X11GraphicsDevice device, int visualnum, |
| 65 | long configInfo, int oglCaps) |
| 66 | { |
| 67 | super(device, visualnum, 0, 0, |
| 68 | (oglCaps & OGLContext.CAPS_DOUBLEBUFFERED) != 0); |
| 69 | pConfigInfo = configInfo; |
| 70 | initConfig(getAData(), configInfo); |
| 71 | this.oglCaps = oglCaps; |
| 72 | context = new OGLContext(OGLRenderQueue.getInstance()); |
| 73 | } |
| 74 | |
| 75 | public Object getProxyKey() { |
| 76 | return this; |
| 77 | } |
| 78 | |
| 79 | public SurfaceData createManagedSurface(int w, int h, int transparency) { |
| 80 | return GLXSurfaceData.createData(this, w, h, |
| 81 | getColorModel(transparency), |
| 82 | null, |
| 83 | OGLSurfaceData.TEXTURE); |
| 84 | } |
| 85 | |
| 86 | public static GLXGraphicsConfig getConfig(X11GraphicsDevice device, |
| 87 | int visualnum) |
| 88 | { |
| 89 | if (!X11GraphicsEnvironment.isGLXAvailable()) { |
| 90 | return null; |
| 91 | } |
| 92 | |
| 93 | long cfginfo = 0; |
| 94 | OGLRenderQueue rq = OGLRenderQueue.getInstance(); |
| 95 | rq.lock(); |
| 96 | try { |
| 97 | // getGLXConfigInfo() creates and destroys temporary |
| 98 | // surfaces/contexts, so we should first invalidate the current |
| 99 | // Java-level context and flush the queue... |
| 100 | OGLContext.invalidateCurrentContext(); |
| 101 | GLXGetConfigInfo action = |
| 102 | new GLXGetConfigInfo(device.getScreen(), visualnum); |
| 103 | rq.flushAndInvokeNow(action); |
| 104 | cfginfo = action.getConfigInfo(); |
| 105 | } finally { |
| 106 | rq.unlock(); |
| 107 | } |
| 108 | if (cfginfo == 0) { |
| 109 | return null; |
| 110 | } |
| 111 | |
| 112 | int oglCaps = getOGLCapabilities(cfginfo); |
| 113 | |
| 114 | return new GLXGraphicsConfig(device, visualnum, cfginfo, oglCaps); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * This is a small helper class that allows us to execute |
| 119 | * getGLXConfigInfo() on the queue flushing thread. |
| 120 | */ |
| 121 | private static class GLXGetConfigInfo implements Runnable { |
| 122 | private int screen; |
| 123 | private int visual; |
| 124 | private long cfginfo; |
| 125 | private GLXGetConfigInfo(int screen, int visual) { |
| 126 | this.screen = screen; |
| 127 | this.visual = visual; |
| 128 | } |
| 129 | public void run() { |
| 130 | cfginfo = getGLXConfigInfo(screen, visual); |
| 131 | } |
| 132 | public long getConfigInfo() { |
| 133 | return cfginfo; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * Returns true if the provided capability bit is present for this config. |
| 139 | * See OGLContext.java for a list of supported capabilities. |
| 140 | */ |
| 141 | public final boolean isCapPresent(int cap) { |
| 142 | return ((oglCaps & cap) != 0); |
| 143 | } |
| 144 | |
| 145 | public final long getNativeConfigInfo() { |
| 146 | return pConfigInfo; |
| 147 | } |
| 148 | |
| 149 | public final OGLContext getContext() { |
| 150 | return context; |
| 151 | } |
| 152 | |
| 153 | @Override |
| 154 | public BufferedImage createCompatibleImage(int width, int height) { |
| 155 | ColorModel model = new DirectColorModel(24, 0xff0000, 0xff00, 0xff); |
| 156 | WritableRaster |
| 157 | raster = model.createCompatibleWritableRaster(width, height); |
| 158 | return new BufferedImage(model, raster, model.isAlphaPremultiplied(), |
| 159 | null); |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public ColorModel getColorModel(int transparency) { |
| 164 | switch (transparency) { |
| 165 | case Transparency.OPAQUE: |
| 166 | // REMIND: once the ColorModel spec is changed, this should be |
| 167 | // an opaque premultiplied DCM... |
| 168 | return new DirectColorModel(24, 0xff0000, 0xff00, 0xff); |
| 169 | case Transparency.BITMASK: |
| 170 | return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000); |
| 171 | case Transparency.TRANSLUCENT: |
| 172 | ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB); |
| 173 | return new DirectColorModel(cs, 32, |
| 174 | 0xff0000, 0xff00, 0xff, 0xff000000, |
| 175 | true, DataBuffer.TYPE_INT); |
| 176 | default: |
| 177 | return null; |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | public String toString() { |
| 182 | return ("GLXGraphicsConfig[dev="+screen+ |
| 183 | ",vis=0x"+Integer.toHexString(visual)+ |
| 184 | "]"); |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * The following methods are invoked from MToolkit or XToolkit.java and |
| 189 | * X11ComponentPeer.java rather than having the X11-dependent |
| 190 | * implementations hardcoded in those classes. This way the appropriate |
| 191 | * actions are taken based on the peer's GraphicsConfig, whether it is |
| 192 | * an X11GraphicsConfig or a GLXGraphicsConfig. |
| 193 | */ |
| 194 | |
| 195 | /** |
| 196 | * Creates a new SurfaceData that will be associated with the given |
| 197 | * X11ComponentPeer. |
| 198 | */ |
| 199 | @Override |
| 200 | public SurfaceData createSurfaceData(X11ComponentPeer peer) { |
| 201 | return GLXSurfaceData.createData(peer); |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Creates a new hidden-acceleration image of the given width and height |
| 206 | * that is associated with the target Component. |
| 207 | */ |
| 208 | @Override |
| 209 | public Image createAcceleratedImage(Component target, |
| 210 | int width, int height) |
| 211 | { |
| 212 | ColorModel model = getColorModel(Transparency.OPAQUE); |
| 213 | WritableRaster wr = |
| 214 | model.createCompatibleWritableRaster(width, height); |
| 215 | return new OffScreenImage(target, model, wr, |
| 216 | model.isAlphaPremultiplied()); |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * The following methods correspond to the multibuffering methods in |
| 221 | * X11ComponentPeer.java... |
| 222 | */ |
| 223 | |
| 224 | /** |
| 225 | * Attempts to create a GLX-based backbuffer for the given peer. If |
| 226 | * the requested configuration is not natively supported, an AWTException |
| 227 | * is thrown. Otherwise, if the backbuffer creation is successful, a |
| 228 | * value of 1 is returned. |
| 229 | */ |
| 230 | @Override |
| 231 | public long createBackBuffer(X11ComponentPeer peer, |
| 232 | int numBuffers, BufferCapabilities caps) |
| 233 | throws AWTException |
| 234 | { |
| 235 | if (numBuffers > 2) { |
| 236 | throw new AWTException( |
| 237 | "Only double or single buffering is supported"); |
| 238 | } |
| 239 | BufferCapabilities configCaps = getBufferCapabilities(); |
| 240 | if (!configCaps.isPageFlipping()) { |
| 241 | throw new AWTException("Page flipping is not supported"); |
| 242 | } |
| 243 | if (caps.getFlipContents() == BufferCapabilities.FlipContents.PRIOR) { |
| 244 | throw new AWTException("FlipContents.PRIOR is not supported"); |
| 245 | } |
| 246 | |
| 247 | // non-zero return value means backbuffer creation was successful |
| 248 | // (checked in X11ComponentPeer.flip(), etc.) |
| 249 | return 1; |
| 250 | } |
| 251 | |
| 252 | /** |
| 253 | * Destroys the backbuffer object represented by the given handle value. |
| 254 | */ |
| 255 | @Override |
| 256 | public void destroyBackBuffer(long backBuffer) { |
| 257 | } |
| 258 | |
| 259 | /** |
| 260 | * Creates a VolatileImage that essentially wraps the target Component's |
| 261 | * backbuffer (the provided backbuffer handle is essentially ignored). |
| 262 | */ |
| 263 | @Override |
| 264 | public VolatileImage createBackBufferImage(Component target, |
| 265 | long backBuffer) |
| 266 | { |
| 267 | return new SunVolatileImage(target, |
| 268 | target.getWidth(), target.getHeight(), |
| 269 | Boolean.TRUE); |
| 270 | } |
| 271 | |
| 272 | /** |
| 273 | * Performs the native GLX flip operation for the given target Component. |
| 274 | */ |
| 275 | @Override |
| 276 | public void flip(X11ComponentPeer peer, |
| 277 | Component target, VolatileImage xBackBuffer, |
| 278 | BufferCapabilities.FlipContents flipAction) |
| 279 | { |
| 280 | if (flipAction == BufferCapabilities.FlipContents.COPIED) { |
| 281 | Graphics g = peer.getGraphics(); |
| 282 | try { |
| 283 | g.drawImage(xBackBuffer, 0, 0, null); |
| 284 | } finally { |
| 285 | g.dispose(); |
| 286 | } |
| 287 | return; |
| 288 | } else if (flipAction == BufferCapabilities.FlipContents.PRIOR) { |
| 289 | // not supported by GLX... |
| 290 | return; |
| 291 | } |
| 292 | |
| 293 | OGLSurfaceData.swapBuffers(peer.getContentWindow()); |
| 294 | |
| 295 | if (flipAction == BufferCapabilities.FlipContents.BACKGROUND) { |
| 296 | Graphics g = xBackBuffer.getGraphics(); |
| 297 | try { |
| 298 | g.setColor(target.getBackground()); |
| 299 | g.fillRect(0, 0, |
| 300 | xBackBuffer.getWidth(), |
| 301 | xBackBuffer.getHeight()); |
| 302 | } finally { |
| 303 | g.dispose(); |
| 304 | } |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | private static class GLXBufferCaps extends BufferCapabilities { |
| 309 | public GLXBufferCaps(boolean dblBuf) { |
| 310 | super(imageCaps, imageCaps, |
| 311 | dblBuf ? FlipContents.UNDEFINED : null); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | @Override |
| 316 | public BufferCapabilities getBufferCapabilities() { |
| 317 | if (bufferCaps == null) { |
| 318 | bufferCaps = new GLXBufferCaps(isDoubleBuffered()); |
| 319 | } |
| 320 | return bufferCaps; |
| 321 | } |
| 322 | |
| 323 | private static class GLXImageCaps extends ImageCapabilities { |
| 324 | private GLXImageCaps() { |
| 325 | super(true); |
| 326 | } |
| 327 | public boolean isTrueVolatile() { |
| 328 | return true; |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | @Override |
| 333 | public ImageCapabilities getImageCapabilities() { |
| 334 | return imageCaps; |
| 335 | } |
| 336 | } |