1 /* 2 * Copyright (c) 2011, 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.Graphics; 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.image.ColorModel; 35 36 import sun.java2d.SunGraphics2D; 37 import sun.java2d.SurfaceData; 38 39 import sun.lwawt.macosx.CPlatformView; 40 41 public abstract class CGLSurfaceData extends OGLSurfaceData { 42 43 protected final int scale; 44 protected final int width; 45 protected final int height; 46 protected CPlatformView pView; 47 private CGLGraphicsConfig graphicsConfig; 48 49 native void validate(int xoff, int yoff, int width, int height, boolean isOpaque); 50 51 private native void initOps(long pConfigInfo, long pPeerData, long layerPtr, 52 int xoff, int yoff, boolean isOpaque); 53 54 protected CGLSurfaceData(CGLGraphicsConfig gc, ColorModel cm, int type, 55 int width, int height) { 56 super(gc, cm, type); 57 // TEXTURE shouldn't be scaled, it is used for managed BufferedImages. 58 scale = type == TEXTURE ? 1 : gc.getDevice().getScaleFactor(); 59 this.width = width * scale; 60 this.height = height * scale; 61 } 62 63 protected CGLSurfaceData(CPlatformView pView, CGLGraphicsConfig gc, 64 ColorModel cm, int type,int width, int height) 65 { 66 this(gc, cm, type, width, height); 67 this.pView = pView; 68 this.graphicsConfig = gc; 69 70 long pConfigInfo = gc.getNativeConfigInfo(); 71 long pPeerData = 0L; 72 boolean isOpaque = true; 73 if (pView != null) { 74 pPeerData = pView.getAWTView(); 75 isOpaque = pView.isOpaque(); 76 } 77 initOps(pConfigInfo, pPeerData, 0, 0, 0, isOpaque); 78 } 79 80 protected CGLSurfaceData(CGLLayer layer, CGLGraphicsConfig gc, 81 ColorModel cm, int type,int width, int height) 82 { 83 this(gc, cm, type, width, height); 84 this.graphicsConfig = gc; 85 86 long pConfigInfo = gc.getNativeConfigInfo(); 87 long layerPtr = 0L; 88 boolean isOpaque = true; 89 if (layer != null) { 90 layerPtr = layer.getPointer(); 91 isOpaque = layer.isOpaque(); 92 } 93 initOps(pConfigInfo, 0, layerPtr, 0, 0, isOpaque); 94 } 95 96 @Override //SurfaceData 97 public GraphicsConfiguration getDeviceConfiguration() { 98 return graphicsConfig; 99 } 100 101 /** 102 * Creates a SurfaceData object representing the primary (front) buffer of 103 * an on-screen Window. 104 */ 105 public static CGLWindowSurfaceData createData(CPlatformView pView) { 106 CGLGraphicsConfig gc = getGC(pView); 107 return new CGLWindowSurfaceData(pView, gc); 108 } 109 110 /** 111 * Creates a SurfaceData object representing the intermediate buffer 112 * between the Java2D flusher thread and the AppKit thread. 113 */ 114 public static CGLLayerSurfaceData createData(CGLLayer layer) { 115 CGLGraphicsConfig gc = getGC(layer); 116 Rectangle r = layer.getBounds(); 117 return new CGLLayerSurfaceData(layer, gc, r.width, r.height); 118 } 119 120 /** 121 * Creates a SurfaceData object representing the back buffer of a 122 * double-buffered on-screen Window. 123 */ 124 public static CGLOffScreenSurfaceData createData(CPlatformView pView, 125 Image image, int type) { 126 CGLGraphicsConfig gc = getGC(pView); 127 Rectangle r = pView.getBounds(); 128 if (type == FLIP_BACKBUFFER) { 129 return new CGLOffScreenSurfaceData(pView, gc, r.width, r.height, 130 image, gc.getColorModel(), FLIP_BACKBUFFER); 131 } else { 132 return new CGLVSyncOffScreenSurfaceData(pView, gc, r.width, 133 r.height, image, gc.getColorModel(), type); 134 } 135 } 136 137 /** 138 * Creates a SurfaceData object representing an off-screen buffer (either a 139 * FBO or Texture). 140 */ 141 public static CGLOffScreenSurfaceData createData(CGLGraphicsConfig gc, 142 int width, int height, ColorModel cm, Image image, int type) { 143 return new CGLOffScreenSurfaceData(null, gc, width, height, image, cm, 144 type); 145 } 146 147 public static CGLGraphicsConfig getGC(CPlatformView pView) { 148 if (pView != null) { 149 return (CGLGraphicsConfig)pView.getGraphicsConfiguration(); 150 } else { 151 // REMIND: this should rarely (never?) happen, but what if 152 // default config is not CGL? 153 GraphicsEnvironment env = GraphicsEnvironment 154 .getLocalGraphicsEnvironment(); 155 GraphicsDevice gd = env.getDefaultScreenDevice(); 156 return (CGLGraphicsConfig) gd.getDefaultConfiguration(); 157 } 158 } 159 160 public static CGLGraphicsConfig getGC(CGLLayer layer) { 161 return (CGLGraphicsConfig)layer.getGraphicsConfiguration(); 162 } 163 164 public void validate() { 165 // Overridden in CGLWindowSurfaceData below 166 } 167 168 @Override 169 public double getDefaultScaleX() { 170 return scale; 171 } 172 173 @Override 174 public double getDefaultScaleY() { 175 return scale; 176 } 177 178 @Override 179 public boolean copyArea(SunGraphics2D sg2d, int x, int y, int w, int h, 180 int dx, int dy) { 181 final int state = sg2d.transformState; 182 if (state > SunGraphics2D.TRANSFORM_TRANSLATESCALE 183 || sg2d.compositeState >= SunGraphics2D.COMP_XOR) { 184 return false; 185 } 186 if (state <= SunGraphics2D.TRANSFORM_ANY_TRANSLATE) { 187 x += sg2d.transX; 188 y += sg2d.transY; 189 } else if (state == SunGraphics2D.TRANSFORM_TRANSLATESCALE) { 190 final double[] coords = {x, y, x + w, y + h, x + dx, y + dy}; 191 sg2d.transform.transform(coords, 0, coords, 0, 3); 192 x = (int) Math.ceil(coords[0] - 0.5); 193 y = (int) Math.ceil(coords[1] - 0.5); 194 w = ((int) Math.ceil(coords[2] - 0.5)) - x; 195 h = ((int) Math.ceil(coords[3] - 0.5)) - y; 196 dx = ((int) Math.ceil(coords[4] - 0.5)) - x; 197 dy = ((int) Math.ceil(coords[5] - 0.5)) - y; 198 } 199 oglRenderPipe.copyArea(sg2d, x, y, w, h, dx, dy); 200 return true; 201 } 202 203 protected native void clearWindow(); 204 205 public static class CGLWindowSurfaceData extends CGLSurfaceData { 206 207 public CGLWindowSurfaceData(CPlatformView pView, 208 CGLGraphicsConfig gc) { 209 super(pView, gc, gc.getColorModel(), WINDOW, 0, 0); 210 } 211 212 @Override 213 public SurfaceData getReplacement() { 214 return pView.getSurfaceData(); 215 } 216 217 @Override 218 public Rectangle getBounds() { 219 Rectangle r = pView.getBounds(); 220 return new Rectangle(0, 0, r.width, r.height); 221 } 222 223 /** 224 * Returns destination Component associated with this SurfaceData. 225 */ 226 @Override 227 public Object getDestination() { 228 return pView.getDestination(); 229 } 230 231 public void validate() { 232 OGLRenderQueue rq = OGLRenderQueue.getInstance(); 233 rq.lock(); 234 try { 235 rq.flushAndInvokeNow(new Runnable() { 236 public void run() { 237 Rectangle peerBounds = pView.getBounds(); 238 validate(0, 0, peerBounds.width, peerBounds.height, pView.isOpaque()); 239 } 240 }); 241 } finally { 242 rq.unlock(); 243 } 244 } 245 246 @Override 247 public void invalidate() { 248 super.invalidate(); 249 clearWindow(); 250 } 251 } 252 253 /** 254 * A surface which implements an intermediate buffer between 255 * the Java2D flusher thread and the AppKit thread. 256 * 257 * This surface serves as a buffer attached to a CGLLayer and 258 * the layer redirects all painting to the buffer's graphics. 259 */ 260 public static class CGLLayerSurfaceData extends CGLSurfaceData { 261 262 private CGLLayer layer; 263 264 public CGLLayerSurfaceData(CGLLayer layer, CGLGraphicsConfig gc, 265 int width, int height) { 266 super(layer, gc, gc.getColorModel(), FBOBJECT, width, height); 267 this.layer = layer; 268 initSurface(this.width, this.height); 269 } 270 271 @Override 272 public SurfaceData getReplacement() { 273 return layer.getSurfaceData(); 274 } 275 276 @Override 277 boolean isOnScreen() { 278 return true; 279 } 280 281 @Override 282 public Rectangle getBounds() { 283 return new Rectangle(width, height); 284 } 285 286 @Override 287 public Object getDestination() { 288 return layer.getDestination(); 289 } 290 291 @Override 292 public int getTransparency() { 293 return layer.getTransparency(); 294 } 295 296 @Override 297 public void invalidate() { 298 super.invalidate(); 299 clearWindow(); 300 } 301 } 302 303 /** 304 * A surface which implements a v-synced flip back-buffer with COPIED 305 * FlipContents. 306 * 307 * This surface serves as a back-buffer to the outside world, while it is 308 * actually an offscreen surface. When the BufferStrategy this surface 309 * belongs to is showed, it is first copied to the real private 310 * FLIP_BACKBUFFER, which is then flipped. 311 */ 312 public static class CGLVSyncOffScreenSurfaceData extends 313 CGLOffScreenSurfaceData { 314 private CGLOffScreenSurfaceData flipSurface; 315 316 public CGLVSyncOffScreenSurfaceData(CPlatformView pView, 317 CGLGraphicsConfig gc, int width, int height, Image image, 318 ColorModel cm, int type) { 319 super(pView, gc, width, height, image, cm, type); 320 flipSurface = CGLSurfaceData.createData(pView, image, 321 FLIP_BACKBUFFER); 322 } 323 324 public SurfaceData getFlipSurface() { 325 return flipSurface; 326 } 327 328 @Override 329 public void flush() { 330 flipSurface.flush(); 331 super.flush(); 332 } 333 } 334 335 public static class CGLOffScreenSurfaceData extends CGLSurfaceData { 336 private Image offscreenImage; 337 338 public CGLOffScreenSurfaceData(CPlatformView pView, 339 CGLGraphicsConfig gc, int width, int height, Image image, 340 ColorModel cm, int type) { 341 super(pView, gc, cm, type, width, height); 342 offscreenImage = image; 343 initSurface(this.width, this.height); 344 } 345 346 @Override 347 public SurfaceData getReplacement() { 348 return restoreContents(offscreenImage); 349 } 350 351 @Override 352 public Rectangle getBounds() { 353 if (type == FLIP_BACKBUFFER) { 354 Rectangle r = pView.getBounds(); 355 return new Rectangle(0, 0, r.width, r.height); 356 } else { 357 return new Rectangle(width, height); 358 } 359 } 360 361 /** 362 * Returns destination Image associated with this SurfaceData. 363 */ 364 @Override 365 public Object getDestination() { 366 return offscreenImage; 367 } 368 } 369 370 // Mac OS X specific APIs for JOGL/Java2D bridge... 371 372 // given a surface create and attach GL context, then return it 373 private static native long createCGLContextOnSurface(CGLSurfaceData sd, 374 long sharedContext); 375 376 public static long createOGLContextOnSurface(Graphics g, long sharedContext) { 377 SurfaceData sd = ((SunGraphics2D) g).surfaceData; 378 if ((sd instanceof CGLSurfaceData) == true) { 379 CGLSurfaceData cglsd = (CGLSurfaceData) sd; 380 return createCGLContextOnSurface(cglsd, sharedContext); 381 } else { 382 return 0L; 383 } 384 } 385 386 // returns whether or not the makeCurrent operation succeeded 387 static native boolean makeCGLContextCurrentOnSurface(CGLSurfaceData sd, 388 long ctx); 389 390 public static boolean makeOGLContextCurrentOnSurface(Graphics g, long ctx) { 391 SurfaceData sd = ((SunGraphics2D) g).surfaceData; 392 if ((ctx != 0L) && ((sd instanceof CGLSurfaceData) == true)) { 393 CGLSurfaceData cglsd = (CGLSurfaceData) sd; 394 return makeCGLContextCurrentOnSurface(cglsd, ctx); 395 } else { 396 return false; 397 } 398 } 399 400 // additional cleanup 401 private static native void destroyCGLContext(long ctx); 402 403 public static void destroyOGLContext(long ctx) { 404 if (ctx != 0L) { 405 destroyCGLContext(ctx); 406 } 407 } 408 }