1 /* 2 * Copyright (c) 2011, 2016, 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.AWTException; 29 import java.awt.BufferCapabilities; 30 import java.awt.Component; 31 import java.awt.Graphics; 32 import java.awt.Graphics2D; 33 import java.awt.Image; 34 import java.awt.ImageCapabilities; 35 import java.awt.Rectangle; 36 import java.awt.Transparency; 37 import java.awt.color.ColorSpace; 38 import java.awt.image.BufferedImage; 39 import java.awt.image.ColorModel; 40 import java.awt.image.DataBuffer; 41 import java.awt.image.DirectColorModel; 42 import java.awt.image.VolatileImage; 43 import java.awt.image.WritableRaster; 44 45 import sun.awt.CGraphicsConfig; 46 import sun.awt.CGraphicsDevice; 47 import sun.awt.image.OffScreenImage; 48 import sun.awt.image.SunVolatileImage; 49 import sun.java2d.Disposer; 50 import sun.java2d.DisposerRecord; 51 import sun.java2d.Surface; 52 import sun.java2d.SurfaceData; 53 import sun.java2d.opengl.OGLContext.OGLContextCaps; 54 import sun.java2d.pipe.hw.AccelSurface; 55 import sun.java2d.pipe.hw.AccelTypedVolatileImage; 56 import sun.java2d.pipe.hw.ContextCapabilities; 57 import static sun.java2d.opengl.OGLSurfaceData.*; 58 import static sun.java2d.opengl.OGLContext.OGLContextCaps.*; 59 60 import sun.lwawt.LWComponentPeer; 61 import sun.lwawt.macosx.CPlatformView; 62 63 public final class CGLGraphicsConfig extends CGraphicsConfig 64 implements OGLGraphicsConfig 65 { 66 //private static final int kOpenGLSwapInterval = 67 // RuntimeOptions.getCurrentOptions().OpenGLSwapInterval; 68 private static final int kOpenGLSwapInterval = 0; // TODO 69 private static boolean cglAvailable; 70 private static ImageCapabilities imageCaps = new CGLImageCaps(); 71 72 private int pixfmt; 73 private BufferCapabilities bufferCaps; 74 private long pConfigInfo; 75 private ContextCapabilities oglCaps; 76 private OGLContext context; 77 private final Object disposerReferent = new Object(); 78 private final int maxTextureSize; 79 80 private static native boolean initCGL(); 81 private static native long getCGLConfigInfo(int displayID, int visualnum, 82 int swapInterval); 83 private static native int getOGLCapabilities(long configInfo); 84 85 /** 86 * Returns GL_MAX_TEXTURE_SIZE from the shared opengl context. Must be 87 * called under OGLRQ lock, because this method change current context. 88 * 89 * @return GL_MAX_TEXTURE_SIZE 90 */ 91 private static native int nativeGetMaxTextureSize(); 92 93 static { 94 cglAvailable = initCGL(); 95 } 96 97 private CGLGraphicsConfig(CGraphicsDevice device, int pixfmt, 98 long configInfo, int maxTextureSize, 99 ContextCapabilities oglCaps) { 100 super(device); 101 102 this.pixfmt = pixfmt; 103 this.pConfigInfo = configInfo; 104 this.oglCaps = oglCaps; 105 this.maxTextureSize = maxTextureSize; 106 context = new OGLContext(OGLRenderQueue.getInstance(), this); 107 108 // add a record to the Disposer so that we destroy the native 109 // CGLGraphicsConfigInfo data when this object goes away 110 Disposer.addRecord(disposerReferent, 111 new CGLGCDisposerRecord(pConfigInfo)); 112 } 113 114 @Override 115 public Object getProxyKey() { 116 return this; 117 } 118 119 @Override 120 public SurfaceData createManagedSurface(int w, int h, int transparency) { 121 return CGLSurfaceData.createData(this, w, h, 122 getColorModel(transparency), 123 null, 124 OGLSurfaceData.TEXTURE); 125 } 126 127 public static CGLGraphicsConfig getConfig(CGraphicsDevice device, 128 int pixfmt) 129 { 130 if (!cglAvailable) { 131 return null; 132 } 133 134 long cfginfo = 0; 135 int textureSize = 0; 136 final String ids[] = new String[1]; 137 OGLRenderQueue rq = OGLRenderQueue.getInstance(); 138 rq.lock(); 139 try { 140 // getCGLConfigInfo() creates and destroys temporary 141 // surfaces/contexts, so we should first invalidate the current 142 // Java-level context and flush the queue... 143 OGLContext.invalidateCurrentContext(); 144 145 cfginfo = getCGLConfigInfo(device.getCGDisplayID(), pixfmt, 146 kOpenGLSwapInterval); 147 if (cfginfo != 0L) { 148 textureSize = nativeGetMaxTextureSize(); 149 // 7160609: GL still fails to create a square texture of this 150 // size. Half should be safe enough. 151 // Explicitly not support a texture more than 2^14, see 8010999. 152 textureSize = textureSize <= 16384 ? textureSize / 2 : 8192; 153 OGLContext.setScratchSurface(cfginfo); 154 rq.flushAndInvokeNow(() -> { 155 ids[0] = OGLContext.getOGLIdString(); 156 }); 157 } 158 } finally { 159 rq.unlock(); 160 } 161 if (cfginfo == 0) { 162 return null; 163 } 164 165 int oglCaps = getOGLCapabilities(cfginfo); 166 ContextCapabilities caps = new OGLContextCaps(oglCaps, ids[0]); 167 return new CGLGraphicsConfig(device, pixfmt, cfginfo, textureSize, caps); 168 } 169 170 public static boolean isCGLAvailable() { 171 return cglAvailable; 172 } 173 174 /** 175 * Returns true if the provided capability bit is present for this config. 176 * See OGLContext.java for a list of supported capabilities. 177 */ 178 @Override 179 public boolean isCapPresent(int cap) { 180 return ((oglCaps.getCaps() & cap) != 0); 181 } 182 183 @Override 184 public long getNativeConfigInfo() { 185 return pConfigInfo; 186 } 187 188 /** 189 * {@inheritDoc} 190 * 191 * @see sun.java2d.pipe.hw.BufferedContextProvider#getContext 192 */ 193 @Override 194 public OGLContext getContext() { 195 return context; 196 } 197 198 @Override 199 public BufferedImage createCompatibleImage(int width, int height) { 200 ColorModel model = new DirectColorModel(24, 0xff0000, 0xff00, 0xff); 201 WritableRaster 202 raster = model.createCompatibleWritableRaster(width, height); 203 return new BufferedImage(model, raster, model.isAlphaPremultiplied(), 204 null); 205 } 206 207 @Override 208 public ColorModel getColorModel(int transparency) { 209 switch (transparency) { 210 case Transparency.OPAQUE: 211 // REMIND: once the ColorModel spec is changed, this should be 212 // an opaque premultiplied DCM... 213 return new DirectColorModel(24, 0xff0000, 0xff00, 0xff); 214 case Transparency.BITMASK: 215 return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000); 216 case Transparency.TRANSLUCENT: 217 ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB); 218 return new DirectColorModel(cs, 32, 219 0xff0000, 0xff00, 0xff, 0xff000000, 220 true, DataBuffer.TYPE_INT); 221 default: 222 return null; 223 } 224 } 225 226 public boolean isDoubleBuffered() { 227 return isCapPresent(CAPS_DOUBLEBUFFERED); 228 } 229 230 private static class CGLGCDisposerRecord implements DisposerRecord { 231 private long pCfgInfo; 232 public CGLGCDisposerRecord(long pCfgInfo) { 233 this.pCfgInfo = pCfgInfo; 234 } 235 public void dispose() { 236 if (pCfgInfo != 0) { 237 OGLRenderQueue.disposeGraphicsConfig(pCfgInfo); 238 pCfgInfo = 0; 239 } 240 } 241 } 242 243 // TODO: CGraphicsConfig doesn't implement displayChanged() yet 244 //@Override 245 public synchronized void displayChanged() { 246 //super.displayChanged(); 247 248 // the context could hold a reference to a CGLSurfaceData, which in 249 // turn has a reference back to this CGLGraphicsConfig, so in order 250 // for this instance to be disposed we need to break the connection 251 OGLRenderQueue rq = OGLRenderQueue.getInstance(); 252 rq.lock(); 253 try { 254 OGLContext.invalidateCurrentContext(); 255 } finally { 256 rq.unlock(); 257 } 258 } 259 260 @Override 261 public String toString() { 262 int displayID = getDevice().getCGDisplayID(); 263 return ("CGLGraphicsConfig[dev="+displayID+",pixfmt="+pixfmt+"]"); 264 } 265 266 @Override 267 public SurfaceData createSurfaceData(CPlatformView pView) { 268 return CGLSurfaceData.createData(pView); 269 } 270 271 @Override 272 public SurfaceData createSurfaceData(CGLLayer layer) { 273 return CGLSurfaceData.createData(layer); 274 } 275 276 @Override 277 public Image createAcceleratedImage(Component target, 278 int width, int height) 279 { 280 ColorModel model = getColorModel(Transparency.OPAQUE); 281 WritableRaster wr = model.createCompatibleWritableRaster(width, height); 282 return new OffScreenImage(target, model, wr, 283 model.isAlphaPremultiplied()); 284 } 285 286 @Override 287 public void assertOperationSupported(final int numBuffers, 288 final BufferCapabilities caps) 289 throws AWTException { 290 // Assume this method is never called with numBuffers != 2, as 0 is 291 // unsupported, and 1 corresponds to a SingleBufferStrategy which 292 // doesn't depend on the peer. Screen is considered as a separate 293 // "buffer". 294 if (numBuffers != 2) { 295 throw new AWTException("Only double buffering is supported"); 296 } 297 final BufferCapabilities configCaps = getBufferCapabilities(); 298 if (!configCaps.isPageFlipping()) { 299 throw new AWTException("Page flipping is not supported"); 300 } 301 if (caps.getFlipContents() == BufferCapabilities.FlipContents.PRIOR) { 302 throw new AWTException("FlipContents.PRIOR is not supported"); 303 } 304 } 305 306 @Override 307 public Image createBackBuffer(final LWComponentPeer<?, ?> peer) { 308 final Rectangle r = peer.getBounds(); 309 // It is possible for the component to have size 0x0, adjust it to 310 // be at least 1x1 to avoid IAE 311 final int w = Math.max(1, r.width); 312 final int h = Math.max(1, r.height); 313 final int transparency = peer.isTranslucent() ? Transparency.TRANSLUCENT 314 : Transparency.OPAQUE; 315 return new SunVolatileImage(this, w, h, transparency, null); 316 } 317 318 @Override 319 public void destroyBackBuffer(final Image backBuffer) { 320 if (backBuffer != null) { 321 backBuffer.flush(); 322 } 323 } 324 325 @Override 326 public void flip(final LWComponentPeer<?, ?> peer, final Image backBuffer, 327 final int x1, final int y1, final int x2, final int y2, 328 final BufferCapabilities.FlipContents flipAction) { 329 final Graphics g = peer.getGraphics(); 330 try { 331 g.drawImage(backBuffer, x1, y1, x2, y2, x1, y1, x2, y2, null); 332 } finally { 333 g.dispose(); 334 } 335 if (flipAction == BufferCapabilities.FlipContents.BACKGROUND) { 336 final Graphics2D bg = (Graphics2D) backBuffer.getGraphics(); 337 try { 338 bg.setBackground(peer.getBackground()); 339 bg.clearRect(0, 0, backBuffer.getWidth(null), 340 backBuffer.getHeight(null)); 341 } finally { 342 bg.dispose(); 343 } 344 } 345 } 346 347 private static class CGLBufferCaps extends BufferCapabilities { 348 public CGLBufferCaps(boolean dblBuf) { 349 super(imageCaps, imageCaps, 350 dblBuf ? FlipContents.UNDEFINED : null); 351 } 352 } 353 354 @Override 355 public BufferCapabilities getBufferCapabilities() { 356 if (bufferCaps == null) { 357 bufferCaps = new CGLBufferCaps(isDoubleBuffered()); 358 } 359 return bufferCaps; 360 } 361 362 private static class CGLImageCaps extends ImageCapabilities { 363 private CGLImageCaps() { 364 super(true); 365 } 366 public boolean isTrueVolatile() { 367 return true; 368 } 369 } 370 371 @Override 372 public ImageCapabilities getImageCapabilities() { 373 return imageCaps; 374 } 375 376 @Override 377 public VolatileImage createCompatibleVolatileImage(int width, int height, 378 int transparency, 379 int type) { 380 if ((type != FBOBJECT && type != TEXTURE) 381 || transparency == Transparency.BITMASK 382 || type == FBOBJECT && !isCapPresent(CAPS_EXT_FBOBJECT)) { 383 return null; 384 } 385 SunVolatileImage vi = new AccelTypedVolatileImage(this, width, height, 386 transparency, type); 387 Surface sd = vi.getDestSurface(); 388 if (!(sd instanceof AccelSurface) || 389 ((AccelSurface)sd).getType() != type) 390 { 391 vi.flush(); 392 vi = null; 393 } 394 395 return vi; 396 } 397 398 /** 399 * {@inheritDoc} 400 * 401 * @see sun.java2d.pipe.hw.AccelGraphicsConfig#getContextCapabilities 402 */ 403 @Override 404 public ContextCapabilities getContextCapabilities() { 405 return oglCaps; 406 } 407 408 @Override 409 public int getMaxTextureWidth() { 410 return Math.max(maxTextureSize / getDevice().getScaleFactor(), 411 getBounds().width); 412 } 413 414 @Override 415 public int getMaxTextureHeight() { 416 return Math.max(maxTextureSize / getDevice().getScaleFactor(), 417 getBounds().height); 418 } 419 }