1 /* 2 * Copyright (c) 1999, 2013, 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 #include "X11SurfaceData.h" 27 #include "GraphicsPrimitiveMgr.h" 28 #include "Region.h" 29 #include "Trace.h" 30 31 /* Needed to define intptr_t */ 32 #include "gdefs.h" 33 34 #include "jni_util.h" 35 #include "jvm_md.h" 36 #include "awt_Component.h" 37 #include "awt_GraphicsEnv.h" 38 39 #include <dlfcn.h> 40 41 #ifndef HEADLESS 42 43 /** 44 * This file contains support code for loops using the SurfaceData 45 * interface to talk to an X11 drawable from native code. 46 */ 47 48 typedef struct _X11RIPrivate { 49 jint lockType; 50 jint lockFlags; 51 XImage *img; 52 int x, y; 53 } X11RIPrivate; 54 55 #define XSD_MAX(a,b) ((a) > (b) ? (a) : (b)) 56 #define XSD_MIN(a,b) ((a) < (b) ? (a) : (b)) 57 58 static LockFunc X11SD_Lock; 59 static GetRasInfoFunc X11SD_GetRasInfo; 60 static UnlockFunc X11SD_Unlock; 61 static DisposeFunc X11SD_Dispose; 62 static GetPixmapBgFunc X11SD_GetPixmapWithBg; 63 static ReleasePixmapBgFunc X11SD_ReleasePixmapWithBg; 64 extern int XShmAttachXErrHandler(Display *display, XErrorEvent *xerr); 65 extern AwtGraphicsConfigDataPtr 66 getGraphicsConfigFromComponentPeer(JNIEnv *env, jobject this); 67 extern struct X11GraphicsConfigIDs x11GraphicsConfigIDs; 68 69 static int X11SD_FindClip(SurfaceDataBounds *b, SurfaceDataBounds *bounds, 70 X11SDOps *xsdo); 71 static int X11SD_ClipToRoot(SurfaceDataBounds *b, SurfaceDataBounds *bounds, 72 X11SDOps *xsdo); 73 static void X11SD_SwapBytes(X11SDOps *xsdo, XImage *img, int depth, int bpp); 74 static XImage * X11SD_GetImage(JNIEnv *env, X11SDOps *xsdo, 75 SurfaceDataBounds *bounds, 76 jint lockFlags); 77 78 extern jfieldID validID; 79 80 static int nativeByteOrder; 81 static jclass xorCompClass; 82 83 jint useMitShmExt = CANT_USE_MITSHM; 84 jint useMitShmPixmaps = CANT_USE_MITSHM; 85 jint forceSharedPixmaps = JNI_FALSE; 86 87 #ifdef MITSHM 88 int mitShmPermissionMask = MITSHM_PERM_OWNER; 89 #endif 90 91 /* Cached shared image, one for all surface datas. */ 92 static XImage * cachedXImage; 93 94 #endif /* !HEADLESS */ 95 96 jboolean XShared_initIDs(JNIEnv *env, jboolean allowShmPixmaps) 97 { 98 #ifndef HEADLESS 99 union { 100 char c[4]; 101 int i; 102 } endian; 103 104 endian.i = 0xff000000; 105 nativeByteOrder = (endian.c[0]) ? MSBFirst : LSBFirst; 106 107 cachedXImage = NULL; 108 109 if (sizeof(X11RIPrivate) > SD_RASINFO_PRIVATE_SIZE) { 110 JNU_ThrowInternalError(env, "Private RasInfo structure too large!"); 111 return JNI_FALSE; 112 } 113 114 #ifdef MITSHM 115 if (getenv("NO_AWT_MITSHM") == NULL && 116 getenv("NO_J2D_MITSHM") == NULL) { 117 char * force; 118 char * permission = getenv("J2D_MITSHM_PERMISSION"); 119 if (permission != NULL) { 120 if (strcmp(permission, "common") == 0) { 121 mitShmPermissionMask = MITSHM_PERM_COMMON; 122 } 123 } 124 125 TryInitMITShm(env, &useMitShmExt, &useMitShmPixmaps); 126 127 if(allowShmPixmaps) { 128 useMitShmPixmaps = (useMitShmPixmaps == CAN_USE_MITSHM); 129 force = getenv("J2D_PIXMAPS"); 130 if (force != NULL) { 131 if (useMitShmPixmaps && (strcmp(force, "shared") == 0)) { 132 forceSharedPixmaps = JNI_TRUE; 133 } else if (strcmp(force, "server") == 0) { 134 useMitShmPixmaps = JNI_FALSE; 135 } 136 } 137 }else { 138 useMitShmPixmaps = JNI_FALSE; 139 } 140 } 141 #endif /* MITSHM */ 142 143 #endif /* !HEADLESS */ 144 145 return JNI_TRUE; 146 } 147 148 149 /* 150 * Class: sun_java2d_x11_X11SurfaceData 151 * Method: initIDs 152 * Signature: (Ljava/lang/Class;Z)V 153 */ 154 JNIEXPORT void JNICALL 155 Java_sun_java2d_x11_X11SurfaceData_initIDs(JNIEnv *env, jclass xsd, 156 jclass XORComp) 157 { 158 #ifndef HEADLESS 159 if(XShared_initIDs(env, JNI_TRUE)) 160 { 161 xorCompClass = (*env)->NewGlobalRef(env, XORComp); 162 } 163 #endif /* !HEADLESS */ 164 } 165 166 /* 167 * Class: sun_java2d_x11_X11SurfaceData 168 * Method: isDrawableValid 169 * Signature: ()Z 170 */ 171 JNIEXPORT jboolean JNICALL 172 Java_sun_java2d_x11_XSurfaceData_isDrawableValid(JNIEnv *env, jobject this) 173 { 174 jboolean ret = JNI_FALSE; 175 176 #ifndef HEADLESS 177 X11SDOps *xsdo = X11SurfaceData_GetOps(env, this); 178 179 AWT_LOCK(); 180 if (xsdo->drawable != 0 || X11SD_InitWindow(env, xsdo) == SD_SUCCESS) { 181 ret = JNI_TRUE; 182 } 183 AWT_UNLOCK(); 184 #endif /* !HEADLESS */ 185 186 return ret; 187 } 188 189 /* 190 * Class: sun_java2d_x11_X11SurfaceData 191 * Method: isShmPMAvailable 192 * Signature: ()Z 193 */ 194 JNIEXPORT jboolean JNICALL 195 Java_sun_java2d_x11_X11SurfaceData_isShmPMAvailable(JNIEnv *env, jobject this) 196 { 197 #if defined(HEADLESS) || !defined(MITSHM) 198 return JNI_FALSE; 199 #else 200 return (jboolean)useMitShmPixmaps; 201 #endif /* HEADLESS, MITSHM */ 202 } 203 204 /* 205 * Class: sun_java2d_x11_X11SurfaceData 206 * Method: initOps 207 * Signature: (Ljava/lang/Object;I)V 208 */ 209 JNIEXPORT void JNICALL 210 Java_sun_java2d_x11_XSurfaceData_initOps(JNIEnv *env, jobject xsd, 211 jobject peer, 212 jobject graphicsConfig, jint depth) 213 { 214 #ifndef HEADLESS 215 X11SDOps *xsdo = (X11SDOps*)SurfaceData_InitOps(env, xsd, sizeof(X11SDOps)); 216 jboolean hasException; 217 if (xsdo == NULL) { 218 JNU_ThrowOutOfMemoryError(env, "Initialization of SurfaceData failed."); 219 return; 220 } 221 xsdo->sdOps.Lock = X11SD_Lock; 222 xsdo->sdOps.GetRasInfo = X11SD_GetRasInfo; 223 xsdo->sdOps.Unlock = X11SD_Unlock; 224 xsdo->sdOps.Dispose = X11SD_Dispose; 225 xsdo->GetPixmapWithBg = X11SD_GetPixmapWithBg; 226 xsdo->ReleasePixmapWithBg = X11SD_ReleasePixmapWithBg; 227 if (peer != NULL) { 228 xsdo->drawable = JNU_CallMethodByName(env, &hasException, peer, "getWindow", "()J").j; 229 if (hasException) { 230 return; 231 } 232 } else { 233 xsdo->drawable = 0; 234 } 235 xsdo->depth = depth; 236 xsdo->isPixmap = JNI_FALSE; 237 xsdo->bitmask = 0; 238 xsdo->bgPixel = 0; 239 xsdo->isBgInitialized = JNI_FALSE; 240 #ifdef MITSHM 241 xsdo->shmPMData.shmSegInfo = NULL; 242 xsdo->shmPMData.xRequestSent = JNI_FALSE; 243 xsdo->shmPMData.pmSize = 0; 244 xsdo->shmPMData.usingShmPixmap = JNI_FALSE; 245 xsdo->shmPMData.pixmap = 0; 246 xsdo->shmPMData.shmPixmap = 0; 247 xsdo->shmPMData.numBltsSinceRead = 0; 248 xsdo->shmPMData.pixelsReadSinceBlt = 0; 249 xsdo->shmPMData.numBltsThreshold = 2; 250 #endif /* MITSHM */ 251 252 xsdo->configData = (AwtGraphicsConfigDataPtr) 253 JNU_GetLongFieldAsPtr(env, 254 graphicsConfig, 255 x11GraphicsConfigIDs.aData); 256 if (xsdo->configData == NULL) { 257 JNU_ThrowNullPointerException(env, 258 "Native GraphicsConfig data block missing"); 259 return; 260 } 261 if (depth > 12) { 262 xsdo->pixelmask = (xsdo->configData->awt_visInfo.red_mask | 263 xsdo->configData->awt_visInfo.green_mask | 264 xsdo->configData->awt_visInfo.blue_mask); 265 } else if (depth == 12) { 266 xsdo->pixelmask = 0xfff; 267 } else { 268 xsdo->pixelmask = 0xff; 269 } 270 271 xsdo->xrPic = None; 272 #endif /* !HEADLESS */ 273 } 274 275 /* 276 * Class: sun_java2d_x11_X11SurfaceData 277 * Method: flushNativeSurface 278 * Signature: ()V 279 */ 280 JNIEXPORT void JNICALL 281 Java_sun_java2d_x11_XSurfaceData_flushNativeSurface(JNIEnv *env, jobject xsd) 282 { 283 #ifndef HEADLESS 284 SurfaceDataOps *ops = SurfaceData_GetOps(env, xsd); 285 286 if (ops != NULL) { 287 X11SD_Dispose(env, ops); 288 } 289 #endif /* !HEADLESS */ 290 } 291 292 293 JNIEXPORT X11SDOps * JNICALL 294 X11SurfaceData_GetOps(JNIEnv *env, jobject sData) 295 { 296 #ifdef HEADLESS 297 return NULL; 298 #else 299 SurfaceDataOps *ops = SurfaceData_GetOps(env, sData); 300 if (ops != NULL && ops->Lock != X11SD_Lock) { 301 SurfaceData_ThrowInvalidPipeException(env, "not an X11 SurfaceData"); 302 ops = NULL; 303 } 304 return (X11SDOps *) ops; 305 #endif /* !HEADLESS */ 306 } 307 308 /* 309 * Method for disposing X11SD-specific data 310 */ 311 static void 312 X11SD_Dispose(JNIEnv *env, SurfaceDataOps *ops) 313 { 314 #ifndef HEADLESS 315 /* ops is assumed non-null as it is checked in SurfaceData_DisposeOps */ 316 X11SDOps * xsdo = (X11SDOps*)ops; 317 318 AWT_LOCK(); 319 320 xsdo->invalid = JNI_TRUE; 321 322 if (xsdo->xrPic != None) { 323 XRenderFreePicture(awt_display, xsdo->xrPic); 324 xsdo->xrPic = None; 325 } 326 327 if (xsdo->isPixmap == JNI_TRUE && xsdo->drawable != 0) { 328 #ifdef MITSHM 329 if (xsdo->shmPMData.shmSegInfo != NULL) { 330 X11SD_DropSharedSegment(xsdo->shmPMData.shmSegInfo); 331 xsdo->shmPMData.shmSegInfo = NULL; 332 } 333 if (xsdo->shmPMData.pixmap) { 334 XFreePixmap(awt_display, xsdo->shmPMData.pixmap); 335 xsdo->shmPMData.pixmap = 0; 336 } 337 if (xsdo->shmPMData.shmPixmap) { 338 XFreePixmap(awt_display, xsdo->shmPMData.shmPixmap); 339 xsdo->shmPMData.shmPixmap = 0; 340 } 341 #else 342 XFreePixmap(awt_display, xsdo->drawable); 343 #endif /* MITSHM */ 344 xsdo->drawable = 0; 345 } 346 if (xsdo->bitmask != 0) { 347 XFreePixmap(awt_display, xsdo->bitmask); 348 xsdo->bitmask = 0; 349 } 350 if (xsdo->javaGC != NULL) { 351 XFreeGC(awt_display, xsdo->javaGC); 352 xsdo->javaGC = NULL; 353 } 354 if (xsdo->cachedGC != NULL) { 355 XFreeGC(awt_display, xsdo->cachedGC); 356 xsdo->cachedGC = NULL; 357 } 358 359 if(xsdo->xrPic != None) { 360 XRenderFreePicture(awt_display, xsdo->xrPic); 361 } 362 363 AWT_UNLOCK(); 364 #endif /* !HEADLESS */ 365 } 366 /* 367 * Class: sun_java2d_x11_X11SurfaceData 368 * Method: setInvalid 369 * Signature: ()V 370 */ 371 JNIEXPORT void JNICALL 372 Java_sun_java2d_x11_XSurfaceData_setInvalid(JNIEnv *env, jobject xsd) 373 { 374 #ifndef HEADLESS 375 X11SDOps *xsdo = (X11SDOps *) SurfaceData_GetOps(env, xsd); 376 377 if (xsdo != NULL) { 378 xsdo->invalid = JNI_TRUE; 379 } 380 #endif /* !HEADLESS */ 381 } 382 383 384 jboolean XShared_initSurface(JNIEnv *env, X11SDOps *xsdo, jint depth, jint width, jint height, jlong drawable) 385 { 386 #ifndef HEADLESS 387 388 if (drawable != (jlong)0) { 389 /* Double-buffering */ 390 xsdo->drawable = drawable; 391 xsdo->isPixmap = JNI_FALSE; 392 } else { 393 /* 394 * width , height must be nonzero otherwise XCreatePixmap 395 * generates BadValue in error_handler 396 */ 397 if (width <= 0 || height <= 0 || width > 32767 || height > 32767) { 398 JNU_ThrowOutOfMemoryError(env, 399 "Can't create offscreen surface"); 400 return JNI_FALSE; 401 } 402 xsdo->isPixmap = JNI_TRUE; 403 404 xsdo->pmWidth = width; 405 xsdo->pmHeight = height; 406 407 #ifdef MITSHM 408 xsdo->shmPMData.pmSize = width * height * depth; 409 xsdo->shmPMData.pixelsReadThreshold = width * height / 8; 410 if (forceSharedPixmaps) { 411 AWT_LOCK(); 412 xsdo->drawable = X11SD_CreateSharedPixmap(xsdo); 413 AWT_UNLOCK(); 414 JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE); 415 if (xsdo->drawable) { 416 xsdo->shmPMData.usingShmPixmap = JNI_TRUE; 417 xsdo->shmPMData.shmPixmap = xsdo->drawable; 418 return JNI_TRUE; 419 } 420 } 421 #endif /* MITSHM */ 422 423 AWT_LOCK(); 424 xsdo->drawable = 425 XCreatePixmap(awt_display, 426 RootWindow(awt_display, 427 xsdo->configData->awt_visInfo.screen), 428 width, height, depth); 429 AWT_UNLOCK(); 430 JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE); 431 #ifdef MITSHM 432 xsdo->shmPMData.usingShmPixmap = JNI_FALSE; 433 xsdo->shmPMData.pixmap = xsdo->drawable; 434 #endif /* MITSHM */ 435 } 436 if (xsdo->drawable == 0) { 437 JNU_ThrowOutOfMemoryError(env, 438 "Can't create offscreen surface"); 439 return JNI_FALSE; 440 } 441 442 #endif /* !HEADLESS */ 443 return JNI_TRUE; 444 } 445 446 447 /* 448 * Class: sun_java2d_x11_X11SurfaceData 449 * Method: initSurface 450 * Signature: ()V 451 */ 452 JNIEXPORT void JNICALL 453 Java_sun_java2d_x11_X11SurfaceData_initSurface(JNIEnv *env, jclass xsd, 454 jint depth, 455 jint width, jint height, 456 jlong drawable) 457 { 458 #ifndef HEADLESS 459 X11SDOps *xsdo = X11SurfaceData_GetOps(env, xsd); 460 if (xsdo == NULL) { 461 return; 462 } 463 464 if (xsdo->configData->awt_cmap == (Colormap)NULL) { 465 awtJNI_CreateColorData(env, xsdo->configData, 1); 466 JNU_CHECK_EXCEPTION(env); 467 } 468 /* color_data will be initialized in awtJNI_CreateColorData for 469 8-bit visuals */ 470 xsdo->cData = xsdo->configData->color_data; 471 472 XShared_initSurface(env, xsdo, depth, width, height, drawable); 473 xsdo->xrPic = None; 474 #endif /* !HEADLESS */ 475 } 476 477 #ifndef HEADLESS 478 479 #ifdef MITSHM 480 481 void X11SD_DropSharedSegment(XShmSegmentInfo *shminfo) 482 { 483 if (shminfo != NULL) { 484 XShmDetach(awt_display, shminfo); 485 shmdt(shminfo->shmaddr); 486 /* REMIND: we don't need shmctl(shminfo->shmid, IPC_RMID, 0); here. */ 487 /* Check X11SD_CreateSharedImage() for the explanation */ 488 } 489 } 490 491 XImage* X11SD_CreateSharedImage(X11SDOps *xsdo, 492 jint width, jint height) 493 { 494 XImage *img = NULL; 495 XShmSegmentInfo *shminfo; 496 497 shminfo = malloc(sizeof(XShmSegmentInfo)); 498 if (shminfo == NULL) { 499 return NULL; 500 } 501 memset(shminfo, 0, sizeof(XShmSegmentInfo)); 502 503 img = XShmCreateImage(awt_display, xsdo->configData->awt_visInfo.visual, 504 xsdo->depth, ZPixmap, NULL, shminfo, 505 width, height); 506 if (img == NULL) { 507 free((void *)shminfo); 508 return NULL; 509 } 510 shminfo->shmid = 511 shmget(IPC_PRIVATE, height * img->bytes_per_line, 512 IPC_CREAT|mitShmPermissionMask); 513 if (shminfo->shmid < 0) { 514 J2dRlsTraceLn1(J2D_TRACE_ERROR, 515 "X11SD_SetupSharedSegment shmget has failed: %s", 516 strerror(errno)); 517 free((void *)shminfo); 518 XDestroyImage(img); 519 return NULL; 520 } 521 522 shminfo->shmaddr = (char *) shmat(shminfo->shmid, 0, 0); 523 if (shminfo->shmaddr == ((char *) -1)) { 524 shmctl(shminfo->shmid, IPC_RMID, 0); 525 J2dRlsTraceLn1(J2D_TRACE_ERROR, 526 "X11SD_SetupSharedSegment shmat has failed: %s", 527 strerror(errno)); 528 free((void *)shminfo); 529 XDestroyImage(img); 530 return NULL; 531 } 532 533 shminfo->readOnly = False; 534 535 resetXShmAttachFailed(); 536 EXEC_WITH_XERROR_HANDLER(XShmAttachXErrHandler, 537 XShmAttach(awt_display, shminfo)); 538 539 /* 540 * Once the XSync round trip has finished then we 541 * can get rid of the id so that this segment does not stick 542 * around after we go away, holding system resources. 543 */ 544 shmctl(shminfo->shmid, IPC_RMID, 0); 545 546 if (isXShmAttachFailed() == JNI_TRUE) { 547 J2dRlsTraceLn1(J2D_TRACE_ERROR, 548 "X11SD_SetupSharedSegment XShmAttach has failed: %s", 549 strerror(errno)); 550 shmdt(shminfo->shmaddr); 551 free((void *)shminfo); 552 XDestroyImage(img); 553 return NULL; 554 } 555 556 img->data = shminfo->shmaddr; 557 img->obdata = (char *)shminfo; 558 559 return img; 560 } 561 562 XImage* X11SD_GetSharedImage(X11SDOps *xsdo, jint width, jint height, 563 jint maxWidth, jint maxHeight, jboolean readBits) 564 { 565 XImage * retImage = NULL; 566 if (cachedXImage != NULL && 567 X11SD_CachedXImageFits(width, height, maxWidth, maxHeight, 568 xsdo->depth, readBits)) { 569 /* sync so previous data gets flushed */ 570 XSync(awt_display, False); 571 retImage = cachedXImage; 572 cachedXImage = (XImage *)NULL; 573 } else if (width * height * xsdo->depth > 0x10000) { 574 retImage = X11SD_CreateSharedImage(xsdo, width, height); 575 } 576 return retImage; 577 } 578 579 Drawable X11SD_CreateSharedPixmap(X11SDOps *xsdo) 580 { 581 XShmSegmentInfo *shminfo; 582 XImage *img = NULL; 583 Drawable pixmap; 584 int scan; 585 int width = xsdo->pmWidth; 586 int height = xsdo->pmHeight; 587 588 if (xsdo->shmPMData.pmSize < 0x10000) { 589 /* only use shared mem pixmaps for relatively big images */ 590 return 0; 591 } 592 593 /* need to create shared(!) image to get bytes_per_line */ 594 img = X11SD_CreateSharedImage(xsdo, width, height); 595 if (img == NULL) { 596 return 0; 597 } 598 scan = img->bytes_per_line; 599 shminfo = (XShmSegmentInfo*)img->obdata; 600 XFree(img); 601 602 pixmap = 603 XShmCreatePixmap(awt_display, 604 RootWindow(awt_display, 605 xsdo->configData->awt_visInfo.screen), 606 shminfo->shmaddr, shminfo, 607 width, height, xsdo->depth); 608 if (pixmap == 0) { 609 X11SD_DropSharedSegment(shminfo); 610 return 0; 611 } 612 613 xsdo->shmPMData.shmSegInfo = shminfo; 614 xsdo->shmPMData.bytesPerLine = scan; 615 return pixmap; 616 } 617 618 void X11SD_PuntPixmap(X11SDOps *xsdo, jint width, jint height) 619 { 620 621 if (useMitShmPixmaps != CAN_USE_MITSHM || forceSharedPixmaps) { 622 return; 623 } 624 625 /* we wouldn't be here if it's a shared pixmap, so no check 626 * for !usingShmPixmap. 627 */ 628 629 xsdo->shmPMData.numBltsSinceRead = 0; 630 631 xsdo->shmPMData.pixelsReadSinceBlt += width * height; 632 if (xsdo->shmPMData.pixelsReadSinceBlt > 633 xsdo->shmPMData.pixelsReadThreshold) { 634 if (!xsdo->shmPMData.shmPixmap) { 635 xsdo->shmPMData.shmPixmap = 636 X11SD_CreateSharedPixmap(xsdo); 637 } 638 if (xsdo->shmPMData.shmPixmap) { 639 GC xgc = XCreateGC(awt_display, xsdo->shmPMData.shmPixmap, 0L, NULL); 640 if (xgc != NULL) { 641 xsdo->shmPMData.usingShmPixmap = JNI_TRUE; 642 xsdo->drawable = xsdo->shmPMData.shmPixmap; 643 XCopyArea(awt_display, 644 xsdo->shmPMData.pixmap, xsdo->drawable, xgc, 645 0, 0, xsdo->pmWidth, xsdo->pmHeight, 0, 0); 646 XSync(awt_display, False); 647 xsdo->shmPMData.xRequestSent = JNI_FALSE; 648 XFreeGC(awt_display, xgc); 649 } 650 } 651 } 652 } 653 654 void X11SD_UnPuntPixmap(X11SDOps *xsdo) 655 { 656 if (useMitShmPixmaps != CAN_USE_MITSHM || forceSharedPixmaps) { 657 return; 658 } 659 xsdo->shmPMData.pixelsReadSinceBlt = 0; 660 if (xsdo->shmPMData.numBltsSinceRead >= 661 xsdo->shmPMData.numBltsThreshold) 662 { 663 if (xsdo->shmPMData.usingShmPixmap) { 664 if (!xsdo->shmPMData.pixmap) { 665 xsdo->shmPMData.pixmap = 666 XCreatePixmap(awt_display, 667 RootWindow(awt_display, 668 xsdo->configData->awt_visInfo.screen), 669 xsdo->pmWidth, xsdo->pmHeight, xsdo->depth); 670 } 671 if (xsdo->shmPMData.pixmap) { 672 GC xgc = XCreateGC(awt_display, xsdo->shmPMData.pixmap, 0L, NULL); 673 if (xgc != NULL) { 674 xsdo->drawable = xsdo->shmPMData.pixmap; 675 XCopyArea(awt_display, 676 xsdo->shmPMData.shmPixmap, xsdo->drawable, xgc, 677 0, 0, xsdo->pmWidth, xsdo->pmHeight, 0, 0); 678 XSync(awt_display, False); 679 XFreeGC(awt_display, xgc); 680 xsdo->shmPMData.xRequestSent = JNI_FALSE; 681 xsdo->shmPMData.usingShmPixmap = JNI_FALSE; 682 xsdo->shmPMData.numBltsThreshold *= 2; 683 } 684 } 685 } 686 } else { 687 xsdo->shmPMData.numBltsSinceRead++; 688 } 689 } 690 691 /** 692 * Determines if the cached image can be used for current operation. 693 * If the image is to be used to be read into by XShmGetImage, 694 * it must be close enough to avoid excessive reading from the screen; 695 * otherwise it should just be at least the size requested. 696 */ 697 jboolean X11SD_CachedXImageFits(jint width, jint height, jint maxWidth, 698 jint maxHeight, jint depth, jboolean readBits) 699 { 700 /* we assume here that the cached image exists */ 701 jint imgWidth = cachedXImage->width; 702 jint imgHeight = cachedXImage->height; 703 704 if (imgWidth < width || imgHeight < height || depth != cachedXImage->depth) { 705 /* doesn't fit if any of the cached image dimensions is smaller 706 or the depths are different */ 707 return JNI_FALSE; 708 } 709 710 if (!readBits) { 711 /* Not reading from this image, so any image at least of the 712 size requested will do */ 713 return JNI_TRUE; 714 } 715 716 if ((imgWidth < width + 64) && (imgHeight < height + 64) 717 && imgWidth <= maxWidth && imgHeight <= maxHeight) 718 { 719 /* Cached image's width/height shouldn't be more than 64 pixels 720 * larger than requested, because the region in XShmGetImage 721 * can't be specified and we don't want to read too much. 722 * Furthermore it has to be smaller than maxWidth/Height 723 * so drawables are not read out of bounds. 724 */ 725 return JNI_TRUE; 726 } 727 728 return JNI_FALSE; 729 } 730 #endif /* MITSHM */ 731 732 jint X11SD_InitWindow(JNIEnv *env, X11SDOps *xsdo) 733 { 734 if (xsdo->isPixmap == JNI_TRUE) { 735 return SD_FAILURE; 736 } 737 xsdo->cData = xsdo->configData->color_data; 738 739 return SD_SUCCESS; 740 } 741 742 static jint X11SD_Lock(JNIEnv *env, 743 SurfaceDataOps *ops, 744 SurfaceDataRasInfo *pRasInfo, 745 jint lockflags) 746 { 747 X11SDOps *xsdo = (X11SDOps *) ops; 748 X11RIPrivate *xpriv = (X11RIPrivate *) &(pRasInfo->priv); 749 int ret = SD_SUCCESS; 750 751 AWT_LOCK(); 752 753 if (xsdo->invalid) { 754 AWT_UNLOCK(); 755 SurfaceData_ThrowInvalidPipeException(env, "bounds changed"); 756 return SD_FAILURE; 757 } 758 xsdo->cData = xsdo->configData->color_data; 759 if (xsdo->drawable == 0 && X11SD_InitWindow(env, xsdo) == SD_FAILURE) { 760 AWT_UNLOCK(); 761 return SD_FAILURE; 762 } 763 if ((lockflags & SD_LOCK_LUT) != 0 && 764 (xsdo->cData == NULL || 765 xsdo->cData->awt_icmLUT == NULL)) 766 { 767 AWT_UNLOCK(); 768 if (!(*env)->ExceptionCheck(env)) 769 { 770 JNU_ThrowNullPointerException(env, "colormap lookup table"); 771 } 772 return SD_FAILURE; 773 } 774 if ((lockflags & SD_LOCK_INVCOLOR) != 0 && 775 (xsdo->cData == NULL || 776 xsdo->cData->img_clr_tbl == NULL || 777 xsdo->cData->img_oda_red == NULL || 778 xsdo->cData->img_oda_green == NULL || 779 xsdo->cData->img_oda_blue == NULL)) 780 { 781 AWT_UNLOCK(); 782 if (!(*env)->ExceptionCheck(env)) 783 { 784 JNU_ThrowNullPointerException(env, "inverse colormap lookup table"); 785 } 786 return SD_FAILURE; 787 } 788 if ((lockflags & SD_LOCK_INVGRAY) != 0 && 789 (xsdo->cData == NULL || 790 xsdo->cData->pGrayInverseLutData == NULL)) 791 { 792 AWT_UNLOCK(); 793 if (!(*env)->ExceptionCheck(env)) 794 { 795 JNU_ThrowNullPointerException(env, "inverse gray lookup table"); 796 } 797 return SD_FAILURE; 798 } 799 if (lockflags & SD_LOCK_RD_WR) { 800 if (lockflags & SD_LOCK_FASTEST) { 801 ret = SD_SLOWLOCK; 802 } 803 xpriv->lockType = X11SD_LOCK_BY_XIMAGE; 804 if (xsdo->isPixmap) { 805 #ifdef MITSHM 806 if (xsdo->shmPMData.usingShmPixmap) { 807 xpriv->lockType = X11SD_LOCK_BY_SHMEM; 808 } 809 #endif /* MITSHM */ 810 if (pRasInfo->bounds.x1 < 0) { 811 pRasInfo->bounds.x1 = 0; 812 } 813 if (pRasInfo->bounds.y1 < 0) { 814 pRasInfo->bounds.y1 = 0; 815 } 816 if (pRasInfo->bounds.x2 > xsdo->pmWidth) { 817 pRasInfo->bounds.x2 = xsdo->pmWidth; 818 } 819 if (pRasInfo->bounds.y2 > xsdo->pmHeight) { 820 pRasInfo->bounds.y2 = xsdo->pmHeight; 821 } 822 } 823 } else { 824 /* They didn't lock for anything - we won't give them anything */ 825 xpriv->lockType = X11SD_LOCK_BY_NULL; 826 } 827 xpriv->lockFlags = lockflags; 828 xpriv->img = NULL; 829 830 return ret; 831 /* AWT_UNLOCK() called in Unlock */ 832 } 833 834 static void X11SD_GetRasInfo(JNIEnv *env, 835 SurfaceDataOps *ops, 836 SurfaceDataRasInfo *pRasInfo) 837 { 838 X11SDOps *xsdo = (X11SDOps *) ops; 839 X11RIPrivate *xpriv = (X11RIPrivate *) &(pRasInfo->priv); 840 jint lockFlags = xpriv->lockFlags; 841 jint depth = xsdo->depth; 842 int mult = xsdo->configData->pixelStride; 843 844 845 #ifdef MITSHM 846 if (xpriv->lockType == X11SD_LOCK_BY_SHMEM) { 847 if (xsdo->shmPMData.xRequestSent == JNI_TRUE) { 848 /* need to sync before using shared mem pixmap 849 if any x calls were issued for this pixmap */ 850 XSync(awt_display, False); 851 xsdo->shmPMData.xRequestSent = JNI_FALSE; 852 } 853 xpriv->x = pRasInfo->bounds.x1; 854 xpriv->y = pRasInfo->bounds.y1; 855 pRasInfo->rasBase = xsdo->shmPMData.shmSegInfo->shmaddr; 856 pRasInfo->pixelStride = mult; 857 pRasInfo->pixelBitOffset = 0; 858 pRasInfo->scanStride = xsdo->shmPMData.bytesPerLine; 859 } else 860 #endif /* MITSHM */ 861 if (xpriv->lockType == X11SD_LOCK_BY_XIMAGE) { 862 int x, y, w, h; 863 x = pRasInfo->bounds.x1; 864 y = pRasInfo->bounds.y1; 865 w = pRasInfo->bounds.x2 - x; 866 h = pRasInfo->bounds.y2 - y; 867 868 xpriv->img = X11SD_GetImage(env, xsdo, &pRasInfo->bounds, lockFlags); 869 if (xpriv->img) { 870 int scan = xpriv->img->bytes_per_line; 871 xpriv->x = x; 872 xpriv->y = y; 873 pRasInfo->rasBase = xpriv->img->data - x * mult - y * scan; 874 pRasInfo->pixelStride = mult; 875 pRasInfo->pixelBitOffset = 0; 876 pRasInfo->scanStride = scan; 877 } else { 878 pRasInfo->rasBase = NULL; 879 pRasInfo->pixelStride = 0; 880 pRasInfo->pixelBitOffset = 0; 881 pRasInfo->scanStride = 0; 882 } 883 } else { 884 /* They didn't lock for anything - we won't give them anything */ 885 pRasInfo->rasBase = NULL; 886 pRasInfo->pixelStride = 0; 887 pRasInfo->pixelBitOffset = 0; 888 pRasInfo->scanStride = 0; 889 } 890 if (lockFlags & SD_LOCK_LUT) { 891 pRasInfo->lutBase = (jint *) xsdo->cData->awt_icmLUT; 892 pRasInfo->lutSize = xsdo->cData->awt_numICMcolors; 893 } else { 894 pRasInfo->lutBase = NULL; 895 pRasInfo->lutSize = 0; 896 } 897 if (lockFlags & SD_LOCK_INVCOLOR) { 898 pRasInfo->invColorTable = xsdo->cData->img_clr_tbl; 899 pRasInfo->redErrTable = xsdo->cData->img_oda_red; 900 pRasInfo->grnErrTable = xsdo->cData->img_oda_green; 901 pRasInfo->bluErrTable = xsdo->cData->img_oda_blue; 902 } else { 903 pRasInfo->invColorTable = NULL; 904 pRasInfo->redErrTable = NULL; 905 pRasInfo->grnErrTable = NULL; 906 pRasInfo->bluErrTable = NULL; 907 } 908 if (lockFlags & SD_LOCK_INVGRAY) { 909 pRasInfo->invGrayTable = xsdo->cData->pGrayInverseLutData; 910 } else { 911 pRasInfo->invGrayTable = NULL; 912 } 913 } 914 915 static void X11SD_Unlock(JNIEnv *env, 916 SurfaceDataOps *ops, 917 SurfaceDataRasInfo *pRasInfo) 918 { 919 X11SDOps *xsdo = (X11SDOps *) ops; 920 X11RIPrivate *xpriv = (X11RIPrivate *) &(pRasInfo->priv); 921 922 if (xpriv->lockType == X11SD_LOCK_BY_XIMAGE && 923 xpriv->img != NULL) 924 { 925 if (xpriv->lockFlags & SD_LOCK_WRITE) { 926 int x = xpriv->x; 927 int y = xpriv->y; 928 int w = pRasInfo->bounds.x2 - x; 929 int h = pRasInfo->bounds.y2 - y; 930 Drawable drawable = xsdo->drawable; 931 GC xgc = xsdo->cachedGC; 932 if (xgc == NULL) { 933 xsdo->cachedGC = xgc = 934 XCreateGC(awt_display, drawable, 0L, NULL); 935 } 936 937 if (xpriv->img->byte_order != nativeByteOrder) { 938 /* switching bytes back in 24 and 32 bpp cases. */ 939 /* For 16 bit XLib will switch for us. */ 940 if (xsdo->depth > 16) { 941 X11SD_SwapBytes(xsdo, xpriv->img, xsdo->depth, 942 xsdo->configData->awtImage->wsImageFormat.bits_per_pixel); 943 } 944 } 945 946 #ifdef MITSHM 947 if (xpriv->img->obdata != NULL) { 948 XShmPutImage(awt_display, drawable, xgc, 949 xpriv->img, 0, 0, x, y, w, h, False); 950 XFlush(awt_display); 951 } else { 952 XPutImage(awt_display, drawable, xgc, 953 xpriv->img, 0, 0, x, y, w, h); 954 } 955 if (xsdo->shmPMData.usingShmPixmap) { 956 xsdo->shmPMData.xRequestSent = JNI_TRUE; 957 } 958 #else 959 XPutImage(awt_display, drawable, xgc, 960 xpriv->img, 0, 0, x, y, w, h); 961 #endif /* MITSHM */ 962 963 } 964 X11SD_DisposeOrCacheXImage(xpriv->img); 965 xpriv->img = (XImage *)NULL; 966 } 967 /* the background pixel is not valid anymore */ 968 if (xpriv->lockFlags & SD_LOCK_WRITE) { 969 xsdo->isBgInitialized = JNI_FALSE; 970 } 971 xpriv->lockType = X11SD_LOCK_UNLOCKED; 972 AWT_UNLOCK(); 973 } 974 975 static int 976 X11SD_ClipToRoot(SurfaceDataBounds *b, SurfaceDataBounds *bounds, 977 X11SDOps *xsdo) 978 { 979 short x1=0, y1=0, x2=0, y2=0; 980 int tmpx, tmpy; 981 Window tmpchild; 982 983 Window window = (Window)(xsdo->drawable); /* is always a Window */ 984 XWindowAttributes winAttr; 985 986 Status status = XGetWindowAttributes(awt_display, window, &winAttr); 987 if (status == 0) { 988 /* Failure, X window no longer valid. */ 989 return FALSE; 990 } 991 if (!XTranslateCoordinates(awt_display, window, 992 RootWindowOfScreen(winAttr.screen), 993 0, 0, &tmpx, &tmpy, &tmpchild)) { 994 return FALSE; 995 } 996 997 x1 = -(x1 + tmpx); 998 y1 = -(y1 + tmpy); 999 1000 x2 = x1 + DisplayWidth(awt_display, xsdo->configData->awt_visInfo.screen); 1001 y2 = y1 + DisplayHeight(awt_display, xsdo->configData->awt_visInfo.screen); 1002 1003 x1 = XSD_MAX(bounds->x1, x1); 1004 y1 = XSD_MAX(bounds->y1, y1); 1005 x2 = XSD_MIN(bounds->x2, x2); 1006 y2 = XSD_MIN(bounds->y2, y2); 1007 if ((x1 >= x2) || (y1 >= y2)) { 1008 return FALSE; 1009 } 1010 b->x1 = x1; 1011 b->y1 = y1; 1012 b->x2 = x2; 1013 b->y2 = y2; 1014 1015 return TRUE; 1016 } 1017 1018 /* 1019 * x1, y1, x2, y2 - our rectangle in the coord system of 1020 * the widget 1021 * px1, xy1, px2, py2 - current parent rect coords in the 1022 * same system 1023 */ 1024 static int 1025 X11SD_FindClip(SurfaceDataBounds *b, SurfaceDataBounds *bounds, X11SDOps *xsdo) 1026 { 1027 return TRUE; 1028 } 1029 1030 static void 1031 X11SD_SwapBytes(X11SDOps *xsdo, XImage * img, int depth, int bpp) { 1032 int lengthInBytes = img->height * img->bytes_per_line; 1033 int i; 1034 1035 switch (depth) { 1036 case 12: 1037 case 15: 1038 case 16: 1039 { 1040 /* AB -> BA */ 1041 unsigned short *d = (unsigned short *)img->data; 1042 unsigned short t; 1043 for (i = 0; i < lengthInBytes/2; i++) { 1044 t = *d; 1045 *d++ = (t >> 8) | (t << 8); 1046 } 1047 img->byte_order = nativeByteOrder; 1048 img->bitmap_bit_order = nativeByteOrder; 1049 break; 1050 } 1051 case 24: 1052 { 1053 /* ABC -> CBA */ 1054 if (bpp == 24) { 1055 // 4517321: Only swap if we have a "real" ThreeByteBgr 1056 // visual (denoted by a red_mask of 0xff). Due to ambiguity 1057 // in the X11 spec, it appears that the swap is not required 1058 // on Linux configurations that use 24 bits per pixel (denoted 1059 // by a red_mask of 0xff0000). 1060 if (xsdo->configData->awt_visInfo.red_mask == 0xff) { 1061 int scan = img->bytes_per_line; 1062 unsigned char *d = (unsigned char *) img->data; 1063 unsigned char *d1; 1064 unsigned int t; 1065 int j; 1066 1067 for (i = 0; i < img->height; i++, d += scan) { 1068 d1 = d; 1069 for (j = 0; j < img->width; j++, d1 += 3) { 1070 /* not obvious opt from XLib src */ 1071 t = d1[0]; d1[0] = d1[2]; d1[2] = t; 1072 } 1073 } 1074 } 1075 break; 1076 } 1077 } 1078 /* FALL THROUGH for 32-bit case */ 1079 case 32: 1080 { 1081 /* ABCD -> DCBA */ 1082 unsigned int *d = (unsigned int *) img->data; 1083 unsigned int t; 1084 for (i = 0; i < lengthInBytes/4; i++) { 1085 t = *d; 1086 *d++ = ((t >> 24) | 1087 ((t >> 8) & 0xff00) | 1088 ((t & 0xff00) << 8) | 1089 (t << 24)); 1090 } 1091 break; 1092 } 1093 } 1094 } 1095 1096 static XImage * X11SD_GetImage(JNIEnv *env, X11SDOps *xsdo, 1097 SurfaceDataBounds *bounds, 1098 jint lockFlags) 1099 { 1100 int x, y, w, h, maxWidth, maxHeight; 1101 int scan; 1102 XImage * img = NULL; 1103 Drawable drawable; 1104 int depth = xsdo->depth; 1105 int mult = xsdo->configData->pixelStride; 1106 int pad = (mult == 3) ? 32 : mult * 8; // pad must be 8, 16, or 32 1107 jboolean readBits = lockFlags & SD_LOCK_NEED_PIXELS; 1108 1109 x = bounds->x1; 1110 y = bounds->y1; 1111 w = bounds->x2 - x; 1112 h = bounds->y2 - y; 1113 1114 #ifdef MITSHM 1115 if (useMitShmExt == CAN_USE_MITSHM) { 1116 if (xsdo->isPixmap) { 1117 if (readBits) { 1118 X11SD_PuntPixmap(xsdo, w, h); 1119 } 1120 maxWidth = xsdo->pmWidth; 1121 maxHeight = xsdo->pmHeight; 1122 } else { 1123 XWindowAttributes winAttr; 1124 if (XGetWindowAttributes(awt_display, 1125 (Window) xsdo->drawable, &winAttr) != 0) { 1126 maxWidth = winAttr.width; 1127 maxHeight = winAttr.height; 1128 } else { 1129 /* XGWA failed which isn't a good thing. Defaulting to using 1130 * x,y means that after the subtraction of these we will use 1131 * w=0, h=0 which is a reasonable default on such a failure. 1132 */ 1133 maxWidth = x; 1134 maxHeight = y; 1135 } 1136 } 1137 maxWidth -= x; 1138 maxHeight -= y; 1139 1140 img = X11SD_GetSharedImage(xsdo, w, h, maxWidth, maxHeight, readBits); 1141 } 1142 #endif /* MITSHM */ 1143 drawable = xsdo->drawable; 1144 1145 if (readBits) { 1146 #ifdef MITSHM 1147 if (img != NULL) { 1148 if (!XShmGetImage(awt_display, drawable, img, x, y, -1)) { 1149 X11SD_DisposeOrCacheXImage(img); 1150 img = NULL; 1151 } 1152 } 1153 if (img == NULL) { 1154 img = XGetImage(awt_display, drawable, x, y, w, h, -1, ZPixmap); 1155 if (img != NULL) { 1156 img->obdata = NULL; 1157 } 1158 } 1159 #else 1160 img = XGetImage(awt_display, drawable, x, y, w, h, -1, ZPixmap); 1161 #endif /* MITSHM */ 1162 if (img == NULL) { 1163 SurfaceDataBounds temp; 1164 img = XCreateImage(awt_display, 1165 xsdo->configData->awt_visInfo.visual, 1166 depth, ZPixmap, 0, NULL, w, h, pad, 0); 1167 if (img == NULL) { 1168 return NULL; 1169 } 1170 1171 scan = img->bytes_per_line; 1172 img->data = malloc(h * scan); 1173 if (img->data == NULL) { 1174 XFree(img); 1175 return NULL; 1176 } 1177 1178 if (xsdo->isPixmap == JNI_FALSE && 1179 X11SD_ClipToRoot(&temp, bounds, xsdo)) { 1180 1181 XImage * temp_image; 1182 temp_image = XGetImage(awt_display, drawable, 1183 temp.x1, temp.y1, 1184 temp.x2 - temp.x1, 1185 temp.y2 - temp.y1, 1186 -1, ZPixmap); 1187 if (temp_image == NULL) { 1188 XGrabServer(awt_display); 1189 if (X11SD_FindClip(&temp, bounds, xsdo)) { 1190 temp_image = 1191 XGetImage(awt_display, drawable, 1192 temp.x1, temp.y1, 1193 temp.x2 - temp.x1, 1194 temp.y2 - temp.y1, 1195 -1, ZPixmap); 1196 } 1197 XUngrabServer(awt_display); 1198 /* Workaround for bug 5039226 */ 1199 XSync(awt_display, False); 1200 } 1201 if (temp_image != NULL) { 1202 int temp_scan, bytes_to_copy; 1203 char * img_addr, * temp_addr; 1204 int i; 1205 1206 img_addr = img->data + 1207 (temp.y1 - y) * scan + (temp.x1 - x) * mult; 1208 temp_scan = temp_image->bytes_per_line; 1209 temp_addr = temp_image->data; 1210 bytes_to_copy = (temp.x2 - temp.x1) * mult; 1211 for (i = temp.y1; i < temp.y2; i++) { 1212 memcpy(img_addr, temp_addr, bytes_to_copy); 1213 img_addr += scan; 1214 temp_addr += temp_scan; 1215 } 1216 XDestroyImage(temp_image); 1217 } 1218 } 1219 img->obdata = NULL; 1220 } 1221 if (depth > 8 && img->byte_order != nativeByteOrder) { 1222 X11SD_SwapBytes(xsdo, img, depth, 1223 xsdo->configData->awtImage->wsImageFormat.bits_per_pixel); 1224 } 1225 } else { 1226 /* 1227 * REMIND: This might be better to move to the Lock function 1228 * to avoid lengthy I/O pauses inside what may be a critical 1229 * section. This will be more critical when SD_LOCK_READ is 1230 * implemented. Another solution is to cache the pixels 1231 * to avoid reading for every operation. 1232 */ 1233 if (img == NULL) { 1234 img = XCreateImage(awt_display, 1235 xsdo->configData->awt_visInfo.visual, 1236 depth, ZPixmap, 0, NULL, w, h, pad, 0); 1237 if (img == NULL) { 1238 return NULL; 1239 } 1240 1241 img->data = malloc(h * img->bytes_per_line); 1242 if (img->data == NULL) { 1243 XFree(img); 1244 return NULL; 1245 } 1246 1247 img->obdata = NULL; 1248 1249 if (img->byte_order != nativeByteOrder && 1250 (depth == 15 || depth == 16 || depth == 12)) { 1251 /* bytes will be swapped by XLib. */ 1252 img->byte_order = nativeByteOrder; 1253 img->bitmap_bit_order = nativeByteOrder; 1254 } 1255 } 1256 } 1257 return img; 1258 } 1259 1260 void X11SD_DisposeOrCacheXImage(XImage * image) { 1261 /* REMIND: might want to check if the new image worth caching. */ 1262 /* Cache only shared images. Passed image is assumed to be non-null. */ 1263 if (image->obdata != NULL) { 1264 if (cachedXImage != NULL) { 1265 X11SD_DisposeXImage(cachedXImage); 1266 } 1267 cachedXImage = image; 1268 } else { 1269 X11SD_DisposeXImage(image); 1270 } 1271 } 1272 1273 void X11SD_DisposeXImage(XImage * image) { 1274 if (image != NULL) { 1275 #ifdef MITSHM 1276 if (image->obdata != NULL) { 1277 X11SD_DropSharedSegment((XShmSegmentInfo*)image->obdata); 1278 image->obdata = NULL; 1279 } 1280 #endif /* MITSHM */ 1281 XDestroyImage(image); 1282 } 1283 } 1284 1285 void 1286 X11SD_DirectRenderNotify(JNIEnv *env, X11SDOps *xsdo) 1287 { 1288 #ifdef MITSHM 1289 if (xsdo->shmPMData.usingShmPixmap) { 1290 xsdo->shmPMData.xRequestSent = JNI_TRUE; 1291 } 1292 #endif /* MITSHM */ 1293 awt_output_flush(); 1294 } 1295 1296 /* 1297 * Sets transparent pixels in the pixmap to 1298 * the specified solid background color and returns it. 1299 * Doesn't update source pixmap unless the color of the 1300 * transparent pixels is different from the specified color. 1301 * 1302 * Note: The AWT lock must be held by the current thread 1303 * while calling into this method. 1304 */ 1305 static Drawable 1306 X11SD_GetPixmapWithBg(JNIEnv *env, X11SDOps *xsdo, jint pixel) 1307 { 1308 /* assert AWT_CHECK_HAVE_LOCK(); */ 1309 1310 if (xsdo->invalid) { 1311 AWT_UNLOCK(); 1312 SurfaceData_ThrowInvalidPipeException(env, "bounds changed"); 1313 return 0; 1314 } 1315 1316 /* the image doesn't have transparency, just return it */ 1317 if (xsdo->bitmask == 0) { 1318 /* don't need to unlock here, the caller will unlock through 1319 the release call */ 1320 return xsdo->drawable; 1321 } 1322 1323 /* Check if current color of the transparent pixels is different 1324 from the specified one */ 1325 if (xsdo->isBgInitialized == JNI_FALSE || xsdo->bgPixel != pixel) { 1326 GC srcGC; 1327 GC bmGC; 1328 1329 if (xsdo->drawable == 0) { 1330 AWT_UNLOCK(); 1331 return 0; 1332 } 1333 1334 bmGC = XCreateGC(awt_display, xsdo->bitmask, 0, NULL); 1335 if (bmGC == NULL) { 1336 AWT_UNLOCK(); 1337 return 0; 1338 } 1339 1340 /* invert the bitmask */ 1341 XSetFunction(awt_display, bmGC, GXxor); 1342 XSetForeground(awt_display, bmGC, 1); 1343 XFillRectangle(awt_display, xsdo->bitmask, bmGC, 1344 0, 0, xsdo->pmWidth, xsdo->pmHeight); 1345 1346 srcGC = XCreateGC(awt_display, xsdo->drawable, 0L, NULL); 1347 if (srcGC == NULL) { 1348 XFreeGC(awt_display, bmGC); 1349 AWT_UNLOCK(); 1350 return 0; 1351 } 1352 1353 /* set transparent pixels in the source pm to the bg color */ 1354 XSetClipMask(awt_display, srcGC, xsdo->bitmask); 1355 XSetForeground(awt_display, srcGC, pixel); 1356 XFillRectangle(awt_display, xsdo->drawable, srcGC, 1357 0, 0, xsdo->pmWidth, xsdo->pmHeight); 1358 1359 /* invert the mask back */ 1360 XFillRectangle(awt_display, xsdo->bitmask, bmGC, 1361 0, 0, xsdo->pmWidth, xsdo->pmHeight); 1362 1363 XFreeGC(awt_display, bmGC); 1364 XFreeGC(awt_display, srcGC); 1365 xsdo->bgPixel = pixel; 1366 xsdo->isBgInitialized = JNI_TRUE; 1367 } 1368 1369 return xsdo->drawable; 1370 } 1371 1372 static void 1373 X11SD_ReleasePixmapWithBg(JNIEnv *env, X11SDOps *xsdo) 1374 { 1375 #ifdef MITSHM 1376 if (xsdo->shmPMData.usingShmPixmap) { 1377 xsdo->shmPMData.xRequestSent = JNI_TRUE; 1378 } 1379 #endif /* MITSHM */ 1380 } 1381 1382 #endif /* !HEADLESS */ 1383 1384 /* 1385 * Class: sun_java2d_x11_X11SurfaceData 1386 * Method: XCreateGC 1387 * Signature: (I)J 1388 */ 1389 JNIEXPORT jlong JNICALL 1390 Java_sun_java2d_x11_XSurfaceData_XCreateGC 1391 (JNIEnv *env, jclass xsd, jlong pXSData) 1392 { 1393 jlong ret; 1394 1395 #ifndef HEADLESS 1396 X11SDOps *xsdo; 1397 1398 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XCreateGC"); 1399 1400 xsdo = (X11SDOps *) pXSData; 1401 if (xsdo == NULL) { 1402 return 0L; 1403 } 1404 1405 xsdo->javaGC = XCreateGC(awt_display, xsdo->drawable, 0, NULL); 1406 ret = (jlong) xsdo->javaGC; 1407 #else /* !HEADLESS */ 1408 ret = 0L; 1409 #endif /* !HEADLESS */ 1410 1411 return ret; 1412 } 1413 1414 /* 1415 * Class: sun_java2d_x11_X11SurfaceData 1416 * Method: XResetClip 1417 * Signature: (JIIIILsun/java2d/pipe/Region;)V 1418 */ 1419 JNIEXPORT void JNICALL 1420 Java_sun_java2d_x11_XSurfaceData_XResetClip 1421 (JNIEnv *env, jclass xsd, jlong xgc) 1422 { 1423 #ifndef HEADLESS 1424 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XResetClip"); 1425 XSetClipMask(awt_display, (GC) xgc, None); 1426 #endif /* !HEADLESS */ 1427 } 1428 1429 /* 1430 * Class: sun_java2d_x11_X11SurfaceData 1431 * Method: XSetClip 1432 * Signature: (JIIIILsun/java2d/pipe/Region;)V 1433 */ 1434 JNIEXPORT void JNICALL 1435 Java_sun_java2d_x11_XSurfaceData_XSetClip 1436 (JNIEnv *env, jclass xsd, jlong xgc, 1437 jint x1, jint y1, jint x2, jint y2, 1438 jobject complexclip) 1439 { 1440 #ifndef HEADLESS 1441 int numrects; 1442 XRectangle rects[256]; 1443 XRectangle *pRect = rects; 1444 1445 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetClip"); 1446 1447 numrects = RegionToYXBandedRectangles(env, 1448 x1, y1, x2, y2, complexclip, 1449 &pRect, 256); 1450 1451 XSetClipRectangles(awt_display, (GC) xgc, 0, 0, pRect, numrects, YXBanded); 1452 1453 if (pRect != rects) { 1454 free(pRect); 1455 } 1456 #endif /* !HEADLESS */ 1457 } 1458 1459 /* 1460 * Class: sun_java2d_x11_X11SurfaceData 1461 * Method: XSetCopyMode 1462 * Signature: (J)V 1463 */ 1464 JNIEXPORT void JNICALL 1465 Java_sun_java2d_x11_X11SurfaceData_XSetCopyMode 1466 (JNIEnv *env, jclass xsd, jlong xgc) 1467 { 1468 #ifndef HEADLESS 1469 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetCopyMode"); 1470 XSetFunction(awt_display, (GC) xgc, GXcopy); 1471 #endif /* !HEADLESS */ 1472 } 1473 1474 /* 1475 * Class: sun_java2d_x11_X11SurfaceData 1476 * Method: XSetXorMode 1477 * Signature: (J)V 1478 */ 1479 JNIEXPORT void JNICALL 1480 Java_sun_java2d_x11_X11SurfaceData_XSetXorMode 1481 (JNIEnv *env, jclass xr, jlong xgc) 1482 { 1483 #ifndef HEADLESS 1484 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetXorMode"); 1485 XSetFunction(awt_display, (GC) xgc, GXxor); 1486 #endif /* !HEADLESS */ 1487 } 1488 1489 /* 1490 * Class: sun_java2d_x11_X11SurfaceData 1491 * Method: XSetForeground 1492 * Signature: (JI)V 1493 */ 1494 JNIEXPORT void JNICALL 1495 Java_sun_java2d_x11_X11SurfaceData_XSetForeground 1496 (JNIEnv *env, jclass xsd, jlong xgc, jint pixel) 1497 { 1498 #ifndef HEADLESS 1499 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetForeground"); 1500 XSetForeground(awt_display, (GC) xgc, pixel); 1501 #endif /* !HEADLESS */ 1502 } 1503 1504 /* 1505 * Class: sun_java2d_x11_X11SurfaceData 1506 * Method: XSetGraphicsExposures 1507 * Signature: (JZ)V 1508 */ 1509 JNIEXPORT void JNICALL 1510 Java_sun_java2d_x11_XSurfaceData_XSetGraphicsExposures 1511 (JNIEnv *env, jclass xsd, jlong xgc, jboolean needExposures) 1512 { 1513 #ifndef HEADLESS 1514 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetGraphicsExposures"); 1515 XSetGraphicsExposures(awt_display, (GC) xgc, needExposures ? True : False); 1516 #endif /* !HEADLESS */ 1517 }