1 /*
2 * Copyright (c) 1997, 2012, 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 "awt_p.h"
27 #include "awt.h"
28 #include "color.h"
29 #include <java_awt_DisplayMode.h>
30 #include <sun_awt_X11GraphicsEnvironment.h>
31 #include <sun_awt_X11GraphicsDevice.h>
32 #include <sun_awt_X11GraphicsConfig.h>
33 #ifndef HEADLESS
34 #include <X11/extensions/Xdbe.h>
35 #include <X11/XKBlib.h>
36 #include "Xrandr.h"
37 #include "GLXGraphicsConfig.h"
38 #endif /* !HEADLESS */
39
40 #include <jni.h>
41 #include <jni_util.h>
42 #include <jvm.h>
43 #include <jvm_md.h>
44 #include <jlong.h>
45
46 #include <stdlib.h>
47
48 #include "awt_GraphicsEnv.h"
49 #include "awt_util.h"
50 #include "gdefs.h"
51 #include <dlfcn.h>
52 #include "Trace.h"
53
54 #ifdef NETSCAPE
55 #include <signal.h>
56 extern int awt_init_xt;
57 #endif
58
59 #ifndef HEADLESS
60
61 int awt_numScreens; /* Xinerama-aware number of screens */
62
63 AwtScreenDataPtr x11Screens;
64
65 /*
66 * Set in initDisplay() to indicate whether we should attempt to initialize
67 * GLX for the default configuration.
68 */
69 static jboolean glxRequested = JNI_FALSE;
70
71 #endif /* !HEADLESS */
72
73 #ifdef HEADLESS
74 #define Display void
75 #endif /* HEADLESS */
76
77 Display *awt_display;
78
79 jclass tkClass = NULL;
80 jmethodID awtLockMID = NULL;
81 jmethodID awtUnlockMID = NULL;
82 jmethodID awtWaitMID = NULL;
83 jmethodID awtNotifyMID = NULL;
84 jmethodID awtNotifyAllMID = NULL;
85 jboolean awtLockInited = JNI_FALSE;
86
87 /** Convenience macro for loading the lock-related method IDs. */
88 #define GET_STATIC_METHOD(klass, method_id, method_name, method_sig) \
89 do { \
90 method_id = (*env)->GetStaticMethodID(env, klass, \
91 method_name, method_sig); \
92 if (method_id == NULL) return NULL; \
93 } while (0)
94
95 struct X11GraphicsConfigIDs x11GraphicsConfigIDs;
96 struct X11GraphicsDeviceIDs x11GraphicsDeviceIDs;
97
98 #ifndef HEADLESS
99 int awtCreateX11Colormap(AwtGraphicsConfigDataPtr adata);
100 #endif /* HEADLESS */
101
102 static char *x11GraphicsConfigClassName = "sun/awt/X11GraphicsConfig";
103
104 /* AWT and Xinerama
105 *
106 * As of fix 4356756, AWT is Xinerama-aware. X11GraphicsDevices are created for
107 * each screen of a Xinerama setup, though X11 itself still only sees a single
108 * display.
109 * In many places where we talk to X11, a xinawareScreen variable is used to
110 * pass the correct Display value, depending on the circumstances (a single
111 * X display, multiple X displays, or a single X display with multiple
112 * Xinerama screens).
113 *
114 * Solaris and Linux differ in the functions used to access Xinerama-related
115 * data. This is in part because at this time, the X consortium has not
116 * finalized the "official" Xinerama API. Once this spec is available, and
117 * both OSes are conformant, one code base should be sufficient for Xinerama
118 * operation on both OSes. Until then, some of the Xinerama-related code
119 * is ifdef'd appropriately. -bchristi, 7/12/01
120 */
121
122 #define MAXFRAMEBUFFERS 16
123 #if defined(__linux__) || defined(MACOSX)
124 typedef struct {
125 int screen_number;
126 short x_org;
127 short y_org;
128 short width;
129 short height;
130 } XineramaScreenInfo;
131
132 typedef XineramaScreenInfo* XineramaQueryScreensFunc(Display*, int*);
133
134 #else /* SOLARIS */
135 typedef Status XineramaGetInfoFunc(Display* display, int screen_number,
136 XRectangle* framebuffer_rects, unsigned char* framebuffer_hints,
137 int* num_framebuffers);
138 typedef Status XineramaGetCenterHintFunc(Display* display, int screen_number,
139 int* x, int* y);
140
141 XineramaGetCenterHintFunc* XineramaSolarisCenterFunc = NULL;
142 #endif
143
144 Bool usingXinerama = False;
145 XRectangle fbrects[MAXFRAMEBUFFERS];
146
147 JNIEXPORT void JNICALL
148 Java_sun_awt_X11GraphicsConfig_initIDs (JNIEnv *env, jclass cls)
149 {
150 x11GraphicsConfigIDs.aData = NULL;
151 x11GraphicsConfigIDs.bitsPerPixel = NULL;
152 x11GraphicsConfigIDs.screen = NULL;
153
154 x11GraphicsConfigIDs.aData = (*env)->GetFieldID (env, cls, "aData", "J");
155 x11GraphicsConfigIDs.bitsPerPixel = (*env)->GetFieldID (env, cls, "bitsPerPixel", "I");
156 x11GraphicsConfigIDs.screen = (*env)->GetFieldID (env, cls, "screen", "Lsun/awt/X11GraphicsDevice;");
157
158 if (x11GraphicsConfigIDs.aData == NULL ||
159 x11GraphicsConfigIDs.bitsPerPixel == NULL ||
160 x11GraphicsConfigIDs.screen == NULL) {
161
162 JNU_ThrowNoSuchFieldError(env, "Can't find a field");
163 return;
164 }
165 }
166
167 JNIEXPORT void JNICALL
168 Java_sun_awt_X11GraphicsDevice_initIDs (JNIEnv *env, jclass cls)
169 {
170 x11GraphicsDeviceIDs.screen = NULL;
171 x11GraphicsDeviceIDs.screen = (*env)->GetFieldID (env, cls, "screen", "I");
172 DASSERT(x11GraphicsDeviceIDs.screen);
173 }
174
175 #ifndef HEADLESS
176
177 /*
178 * XIOErrorHandler
179 */
180 static int xioerror_handler(Display *disp)
181 {
182 if (awtLockInited) {
183 if (errno == EPIPE) {
184 jio_fprintf(stderr, "X connection to %s host broken (explicit kill or server shutdown)\n", XDisplayName(NULL));
185 }
186 /*SignalError(lockedee->lastpc, lockedee, "fp/ade/gui/GUIException", "I/O error"); */
187 }
188 return 0;
189 }
190
191 static AwtGraphicsConfigDataPtr
192 findWithTemplate(XVisualInfo *vinfo,
193 long mask)
194 {
195
196 XVisualInfo *visualList;
197 XColor color;
198 AwtGraphicsConfigDataPtr defaultConfig;
199 int visualsMatched, i;
200
201 visualList = XGetVisualInfo(awt_display,
202 mask, vinfo, &visualsMatched);
203 if (visualList) {
204 defaultConfig = ZALLOC(_AwtGraphicsConfigData);
205 for (i = 0; i < visualsMatched; i++) {
206 memcpy(&defaultConfig->awt_visInfo, &visualList[i], sizeof(XVisualInfo));
207 defaultConfig->awt_depth = visualList[i].depth;
208
209 /* we can't use awtJNI_CreateColorData here, because it'll pull,
210 SystemColor, which in turn will cause toolkit to be reinitialized */
211 if (awtCreateX11Colormap(defaultConfig)) {
212 /* Allocate white and black pixels for this visual */
213 color.flags = DoRed | DoGreen | DoBlue;
214 color.red = color.green = color.blue = 0x0000;
215 XAllocColor(awt_display, defaultConfig->awt_cmap, &color);
216 x11Screens[visualList[i].screen].blackpixel = color.pixel;
217 color.flags = DoRed | DoGreen | DoBlue;
218 color.red = color.green = color.blue = 0xffff;
219 XAllocColor(awt_display, defaultConfig->awt_cmap, &color);
220 x11Screens[visualList[i].screen].whitepixel = color.pixel;
221
222 XFree(visualList);
223 return defaultConfig;
224 }
225 }
226 XFree(visualList);
227 free((void *)defaultConfig);
228 }
229 return NULL;
230 }
231
232 /* default config is based on X11 screen. All Xinerama screens of that X11
233 screen will have the same default config */
234 /* Need more notes about which fields of the structure are based on the X
235 screen, and which are based on the Xinerama screen */
236 static AwtGraphicsConfigDataPtr
237 makeDefaultConfig(JNIEnv *env, int screen) {
238
239 AwtGraphicsConfigDataPtr defaultConfig;
240 int xinawareScreen = 0;
241 VisualID forcedVisualID = 0, defaultVisualID;
242 char *forcedVisualStr;
243 XVisualInfo vinfo;
244 long mask;
245
246 xinawareScreen = usingXinerama ? 0 : screen;
247 defaultVisualID =
248 XVisualIDFromVisual(DefaultVisual(awt_display, xinawareScreen));
249
250 memset(&vinfo, 0, sizeof(XVisualInfo));
251 vinfo.screen = xinawareScreen;
252
253 if ((forcedVisualStr = getenv("FORCEDEFVIS"))) {
254 mask = VisualIDMask | VisualScreenMask;
255 if (sscanf(forcedVisualStr, "%lx", &forcedVisualID) > 0 &&
256 forcedVisualID > 0)
257 {
258 vinfo.visualid = forcedVisualID;
259 } else {
260 vinfo.visualid = defaultVisualID;
261 }
262 } else {
263 VisualID bestGLXVisualID;
264 if (glxRequested &&
265 (bestGLXVisualID = GLXGC_FindBestVisual(env, xinawareScreen)) > 0)
266 {
267 /* we've found the best visual for use with GLX, so use it */
268 vinfo.visualid = bestGLXVisualID;
269 mask = VisualIDMask | VisualScreenMask;
270 } else {
271 /* otherwise, continue looking for the best X11 visual */
272 vinfo.depth = 24;
273 vinfo.class = TrueColor;
274 mask = VisualDepthMask | VisualScreenMask | VisualClassMask;
275 }
276 }
277
278 /* try the best, or forced visual */
279 defaultConfig = findWithTemplate(&vinfo, mask);
280 if (defaultConfig) {
281 return defaultConfig;
282 }
283
284 /* try the default visual */
285 vinfo.visualid = defaultVisualID;
286 mask = VisualIDMask | VisualScreenMask;
287 defaultConfig = findWithTemplate(&vinfo, mask);
288 if (defaultConfig) {
289 return defaultConfig;
290 }
291
292 /* try any TrueColor */
293 vinfo.class = TrueColor;
294 mask = VisualScreenMask | VisualClassMask;
295 defaultConfig = findWithTemplate(&vinfo, mask);
296 if (defaultConfig) {
297 return defaultConfig;
298 }
299
300 /* try 8-bit PseudoColor */
301 vinfo.depth = 8;
302 vinfo.class = PseudoColor;
303 mask = VisualDepthMask | VisualScreenMask | VisualClassMask;
304 defaultConfig = findWithTemplate(&vinfo, mask);
305 if (defaultConfig) {
306 return defaultConfig;
307 }
308
309 /* try any 8-bit */
310 vinfo.depth = 8;
311 mask = VisualDepthMask | VisualScreenMask;
312 defaultConfig = findWithTemplate(&vinfo, mask);
313 if (defaultConfig) {
314 return defaultConfig;
315 }
316
317 /* we tried everything, give up */
318 JNU_ThrowInternalError(env, "Can't find supported visual");
319 XCloseDisplay(awt_display);
320 awt_display = NULL;
321 return NULL;
322 }
323
324 static void
325 getAllConfigs (JNIEnv *env, int screen, AwtScreenDataPtr screenDataPtr) {
326
327 int i;
328 int n8p=0, n12p=0, n8s=0, n8gs=0, n8sg=0, n1sg=0, nTrue=0;
329 int nConfig;
330 XVisualInfo *pVI8p, *pVI12p, *pVI8s, *pVITrue, *pVI8gs,
331 *pVI8sg, *pVI1sg = NULL, viTmp;
332 AwtGraphicsConfigDataPtr *graphicsConfigs;
333 AwtGraphicsConfigDataPtr defaultConfig;
334 int ind;
335 char errmsg[128];
336 int xinawareScreen;
337 void* xrenderLibHandle = NULL;
338 XRenderFindVisualFormatFunc* xrenderFindVisualFormat = NULL;
339 int major_opcode, first_event, first_error;
340
341 if (usingXinerama) {
342 xinawareScreen = 0;
343 }
344 else {
345 xinawareScreen = screen;
346 }
347
348 AWT_LOCK ();
349
350 viTmp.screen = xinawareScreen;
351
352 viTmp.depth = 8;
353 viTmp.class = PseudoColor;
354 viTmp.colormap_size = 256;
355 pVI8p = XGetVisualInfo (awt_display,
356 VisualDepthMask | VisualClassMask |
357 VisualColormapSizeMask | VisualScreenMask,
358 &viTmp, &n8p);
359
360 viTmp.depth = 12;
361 viTmp.class = PseudoColor;
362 viTmp.colormap_size = 4096;
363 pVI12p = XGetVisualInfo (awt_display,
364 VisualDepthMask | VisualClassMask |
365 VisualColormapSizeMask | VisualScreenMask,
366 &viTmp, &n12p);
367
368 viTmp.class = TrueColor;
369 pVITrue = XGetVisualInfo (awt_display,
370 VisualClassMask |
371 VisualScreenMask,
372 &viTmp, &nTrue);
373
374 viTmp.depth = 8;
375 viTmp.class = StaticColor;
376 pVI8s = XGetVisualInfo (awt_display, VisualDepthMask | VisualClassMask |
377 VisualScreenMask, &viTmp, &n8s);
378
379 viTmp.depth = 8;
380 viTmp.class = GrayScale;
381 viTmp.colormap_size = 256;
382 pVI8gs = XGetVisualInfo (awt_display,
383 VisualDepthMask | VisualClassMask |
384 VisualColormapSizeMask | VisualScreenMask,
385 &viTmp, &n8gs);
386 viTmp.depth = 8;
387 viTmp.class = StaticGray;
388 viTmp.colormap_size = 256;
389 pVI8sg = XGetVisualInfo (awt_display,
390 VisualDepthMask | VisualClassMask |
391 VisualColormapSizeMask | VisualScreenMask,
392 &viTmp, &n8sg);
393
394 /* REMIND.. remove when we have support for the color classes below */
395 /* viTmp.depth = 1; */
396 /* viTmp.class = StaticGray; */
397 /* pVI1sg = XGetVisualInfo (awt_display, VisualDepthMask | VisualClassMask, */
398 /* viTmp, &n1sg); */
399
400 nConfig = n8p + n12p + n8s + n8gs + n8sg + n1sg + nTrue + 1;
401 graphicsConfigs = (AwtGraphicsConfigDataPtr *)
402 calloc(nConfig, sizeof(AwtGraphicsConfigDataPtr));
403 if (graphicsConfigs == NULL) {
404 JNU_ThrowOutOfMemoryError((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2),
405 NULL);
406 AWT_UNLOCK();
407 return;
408 }
409
410 if (screenDataPtr->defaultConfig == NULL) {
411 /*
412 * After a display change event, the default config field will have
413 * been reset, so we need to recreate the default config here.
414 */
415 screenDataPtr->defaultConfig = makeDefaultConfig(env, screen);
416 }
417
418 defaultConfig = screenDataPtr->defaultConfig;
419 graphicsConfigs[0] = defaultConfig;
420 nConfig = 1; /* reserve index 0 for default config */
421
422 // Only use the RENDER extension if it is available on the X server
423 if (XQueryExtension(awt_display, "RENDER",
424 &major_opcode, &first_event, &first_error))
425 {
426 xrenderLibHandle = dlopen("libXrender.so.1", RTLD_LAZY | RTLD_GLOBAL);
427
428 #ifdef MACOSX
429 #define XRENDER_LIB "/usr/X11/lib/libXrender.dylib"
430 #else
431 #define XRENDER_LIB "libXrender.so"
432 #endif
433
434 if (xrenderLibHandle == NULL) {
435 xrenderLibHandle = dlopen(XRENDER_LIB,
436 RTLD_LAZY | RTLD_GLOBAL);
437 }
438
439 #ifndef __linux__ /* SOLARIS */
440 if (xrenderLibHandle == NULL) {
441 xrenderLibHandle = dlopen("/usr/sfw/lib/libXrender.so.1",
442 RTLD_LAZY | RTLD_GLOBAL);
443 }
444 #endif
445
446 if (xrenderLibHandle != NULL) {
447 xrenderFindVisualFormat =
448 (XRenderFindVisualFormatFunc*)dlsym(xrenderLibHandle,
449 "XRenderFindVisualFormat");
450 }
451 }
452
453 for (i = 0; i < nTrue; i++) {
454 if (XVisualIDFromVisual(pVITrue[i].visual) ==
455 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual) ||
456 pVITrue[i].depth == 12) {
457 /* Skip the non-supported 12-bit TrueColor visual */
458 continue;
459 } else {
460 ind = nConfig++;
461 }
462 graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
463 graphicsConfigs [ind]->awt_depth = pVITrue [i].depth;
464 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVITrue [i],
465 sizeof (XVisualInfo));
466 if (xrenderFindVisualFormat != NULL) {
467 XRenderPictFormat *format = xrenderFindVisualFormat (awt_display,
468 pVITrue [i].visual);
469 if (format &&
470 format->type == PictTypeDirect &&
471 format->direct.alphaMask)
472 {
473 graphicsConfigs [ind]->isTranslucencySupported = 1;
474 memcpy(&graphicsConfigs [ind]->renderPictFormat, format,
475 sizeof(*format));
476 }
477 }
478 }
479
480 if (xrenderLibHandle != NULL) {
481 dlclose(xrenderLibHandle);
482 xrenderLibHandle = NULL;
483 }
484
485 for (i = 0; i < n8p; i++) {
486 if (XVisualIDFromVisual(pVI8p[i].visual) ==
487 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
488 continue;
489 } else {
490 ind = nConfig++;
491 }
492 graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
493 graphicsConfigs [ind]->awt_depth = pVI8p [i].depth;
494 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI8p [i],
495 sizeof (XVisualInfo));
496 }
497
498 for (i = 0; i < n12p; i++) {
499 if (XVisualIDFromVisual(pVI12p[i].visual) ==
500 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
501 continue;
502 } else {
503 ind = nConfig++;
504 }
505 graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
506 graphicsConfigs [ind]->awt_depth = pVI12p [i].depth;
507 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI12p [i],
508 sizeof (XVisualInfo));
509 }
510
511 for (i = 0; i < n8s; i++) {
512 if (XVisualIDFromVisual(pVI8s[i].visual) ==
513 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
514 continue;
515 } else {
516 ind = nConfig++;
517 }
518 graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
519 graphicsConfigs [ind]->awt_depth = pVI8s [i].depth;
520 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI8s [i],
521 sizeof (XVisualInfo));
522 }
523
524 for (i = 0; i < n8gs; i++) {
525 if (XVisualIDFromVisual(pVI8gs[i].visual) ==
526 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
527 continue;
528 } else {
529 ind = nConfig++;
530 }
531 graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
532 graphicsConfigs [ind]->awt_depth = pVI8gs [i].depth;
533 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI8gs [i],
534 sizeof (XVisualInfo));
535 }
536
537 for (i = 0; i < n8sg; i++) {
538 if (XVisualIDFromVisual(pVI8sg[i].visual) ==
539 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
540 continue;
541 } else {
542 ind = nConfig++;
543 }
544 graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
545 graphicsConfigs [ind]->awt_depth = pVI8sg [i].depth;
546 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI8sg [i],
547 sizeof (XVisualInfo));
548 }
549
550 for (i = 0; i < n1sg; i++) {
551 if (XVisualIDFromVisual(pVI1sg[i].visual) ==
552 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
553 continue;
554 } else {
555 ind = nConfig++;
556 }
557 graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
558 graphicsConfigs [ind]->awt_depth = pVI1sg [i].depth;
559 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI1sg [i],
560 sizeof (XVisualInfo));
561 }
562
563 if (n8p != 0)
564 XFree (pVI8p);
565 if (n12p != 0)
566 XFree (pVI12p);
567 if (n8s != 0)
568 XFree (pVI8s);
569 if (n8gs != 0)
570 XFree (pVI8gs);
571 if (n8sg != 0)
572 XFree (pVI8sg);
573 if (n1sg != 0)
574 XFree (pVI1sg);
575
576 screenDataPtr->numConfigs = nConfig;
577 screenDataPtr->configs = graphicsConfigs;
578
579 AWT_UNLOCK ();
580 }
581
582 #ifndef HEADLESS
583 #if defined(__linux__) || defined(MACOSX)
584 static void xinerama_init_linux()
585 {
586 void* libHandle = NULL;
587 int32_t locNumScr = 0;
588 XineramaScreenInfo *xinInfo;
589 char* XineramaQueryScreensName = "XineramaQueryScreens";
590 XineramaQueryScreensFunc* XineramaQueryScreens = NULL;
591
592 /* load library */
593 libHandle = dlopen(VERSIONED_JNI_LIB_NAME("Xinerama", "1"),
594 RTLD_LAZY | RTLD_GLOBAL);
595 if (libHandle == NULL) {
596 libHandle = dlopen(JNI_LIB_NAME("Xinerama"), RTLD_LAZY | RTLD_GLOBAL);
597 }
598 if (libHandle != NULL) {
599 XineramaQueryScreens = (XineramaQueryScreensFunc*)
600 dlsym(libHandle, XineramaQueryScreensName);
601
602 if (XineramaQueryScreens != NULL) {
603 DTRACE_PRINTLN("calling XineramaQueryScreens func on Linux");
604 xinInfo = (*XineramaQueryScreens)(awt_display, &locNumScr);
605 if (xinInfo != NULL && locNumScr > XScreenCount(awt_display)) {
606 int32_t idx;
607 DTRACE_PRINTLN("Enabling Xinerama support");
608 usingXinerama = True;
609 /* set global number of screens */
610 DTRACE_PRINTLN1(" num screens = %i\n", locNumScr);
611 awt_numScreens = locNumScr;
612
613 /* stuff values into fbrects */
614 for (idx = 0; idx < awt_numScreens; idx++) {
615 DASSERT(xinInfo[idx].screen_number == idx);
616
617 fbrects[idx].width = xinInfo[idx].width;
618 fbrects[idx].height = xinInfo[idx].height;
619 fbrects[idx].x = xinInfo[idx].x_org;
620 fbrects[idx].y = xinInfo[idx].y_org;
621 }
622 } else {
623 DTRACE_PRINTLN("calling XineramaQueryScreens didn't work");
624 }
625 } else {
626 DTRACE_PRINTLN("couldn't load XineramaQueryScreens symbol");
627 }
628 dlclose(libHandle);
629 } else {
630 DTRACE_PRINTLN1("\ncouldn't open shared library: %s\n", dlerror());
631 }
632 }
633 #endif
634 #if !defined(__linux__) && !defined(MACOSX) /* Solaris */
635 static void xinerama_init_solaris()
636 {
637 void* libHandle = NULL;
638 unsigned char fbhints[MAXFRAMEBUFFERS];
639 int32_t locNumScr = 0;
640 /* load and run XineramaGetInfo */
641 char* XineramaGetInfoName = "XineramaGetInfo";
642 char* XineramaGetCenterHintName = "XineramaGetCenterHint";
643 XineramaGetInfoFunc* XineramaSolarisFunc = NULL;
644
645 /* load library */
646 libHandle = dlopen(JNI_LIB_NAME("Xext"), RTLD_LAZY | RTLD_GLOBAL);
647 if (libHandle != NULL) {
648 XineramaSolarisFunc = (XineramaGetInfoFunc*)dlsym(libHandle, XineramaGetInfoName);
649 XineramaSolarisCenterFunc =
650 (XineramaGetCenterHintFunc*)dlsym(libHandle, XineramaGetCenterHintName);
651
652 if (XineramaSolarisFunc != NULL) {
653 DTRACE_PRINTLN("calling XineramaGetInfo func on Solaris");
654 if ((*XineramaSolarisFunc)(awt_display, 0, &fbrects[0],
655 &fbhints[0], &locNumScr) != 0 &&
656 locNumScr > XScreenCount(awt_display))
657 {
658 DTRACE_PRINTLN("Enabling Xinerama support");
659 usingXinerama = True;
660 /* set global number of screens */
661 DTRACE_PRINTLN1(" num screens = %i\n", locNumScr);
662 awt_numScreens = locNumScr;
663 } else {
664 DTRACE_PRINTLN("calling XineramaGetInfo didn't work");
665 }
666 } else {
667 DTRACE_PRINTLN("couldn't load XineramaGetInfo symbol");
668 }
669 dlclose(libHandle);
670 } else {
671 DTRACE_PRINTLN1("\ncouldn't open shared library: %s\n", dlerror());
672 }
673 }
674 #endif
675
676 /*
677 * Checks if Xinerama is running and perform Xinerama-related
678 * platform dependent initialization.
679 */
680 static void xineramaInit(void) {
681 char* XinExtName = "XINERAMA";
682 int32_t major_opcode, first_event, first_error;
683 Bool gotXinExt = False;
684
685 gotXinExt = XQueryExtension(awt_display, XinExtName, &major_opcode,
686 &first_event, &first_error);
687
688 if (!gotXinExt) {
689 DTRACE_PRINTLN("Xinerama extension is not available");
690 return;
691 }
692
693 DTRACE_PRINTLN("Xinerama extension is available");
694 #if defined(__linux__) || defined(MACOSX)
695 xinerama_init_linux();
696 #else /* Solaris */
697 xinerama_init_solaris();
698 #endif /* __linux__ || MACOSX */
699 }
700 #endif /* HEADLESS */
701
702 Display *
703 awt_init_Display(JNIEnv *env, jobject this)
704 {
705 jclass klass;
706 Display *dpy;
707 char errmsg[128];
708 int i;
709 #ifdef NETSCAPE
710 sigset_t alarm_set, oldset;
711 #endif
712
713 if (awt_display) {
714 return awt_display;
715 }
716
717 #ifdef NETSCAPE
718 /* Disable interrupts during XtOpenDisplay to avoid bugs in unix os select
719 code: some unix systems don't implement SA_RESTART properly and
720 because of this, select returns with EINTR. Most implementations of
721 gethostbyname don't cope with EINTR properly and as a result we get
722 stuck (forever) in the gethostbyname code
723 */
724 sigemptyset(&alarm_set);
725 sigaddset(&alarm_set, SIGALRM);
726 sigprocmask(SIG_BLOCK, &alarm_set, &oldset);
727 #endif
728
729 /* Load AWT lock-related methods in SunToolkit */
730 klass = (*env)->FindClass(env, "sun/awt/SunToolkit");
731 if (klass == NULL) return NULL;
732 GET_STATIC_METHOD(klass, awtLockMID, "awtLock", "()V");
733 GET_STATIC_METHOD(klass, awtUnlockMID, "awtUnlock", "()V");
734 GET_STATIC_METHOD(klass, awtWaitMID, "awtLockWait", "(J)V");
735 GET_STATIC_METHOD(klass, awtNotifyMID, "awtLockNotify", "()V");
736 GET_STATIC_METHOD(klass, awtNotifyAllMID, "awtLockNotifyAll", "()V");
737 tkClass = (*env)->NewGlobalRef(env, klass);
738 awtLockInited = JNI_TRUE;
739
740 if (getenv("_AWT_IGNORE_XKB") != NULL &&
741 strlen(getenv("_AWT_IGNORE_XKB")) > 0) {
742 if (XkbIgnoreExtension(True)) {
743 printf("Ignoring XKB.\n");
744 }
745 }
746
747 dpy = awt_display = XOpenDisplay(NULL);
748 #ifdef NETSCAPE
749 sigprocmask(SIG_SETMASK, &oldset, NULL);
750 #endif
751 if (!dpy) {
752 jio_snprintf(errmsg,
753 sizeof(errmsg),
754 "Can't connect to X11 window server using '%s' as the value of the DISPLAY variable.",
755 (getenv("DISPLAY") == NULL) ? ":0.0" : getenv("DISPLAY"));
756 JNU_ThrowByName(env, "java/awt/AWTError", errmsg);
757 return NULL;
758 }
759
760 XSetIOErrorHandler(xioerror_handler);
761
762 /* set awt_numScreens, and whether or not we're using Xinerama */
763 xineramaInit();
764
765 if (!usingXinerama) {
766 awt_numScreens = XScreenCount(awt_display);
767 }
768
769 DTRACE_PRINTLN1("allocating %i screens\n", awt_numScreens);
770 /* Allocate screen data structure array */
771 x11Screens = calloc(awt_numScreens, sizeof(AwtScreenData));
772 if (x11Screens == NULL) {
773 JNU_ThrowOutOfMemoryError((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2),
774 NULL);
775 return NULL;
776 }
777
778 for (i = 0; i < awt_numScreens; i++) {
779 if (usingXinerama) {
780 /* All Xinerama screens use the same X11 root for now */
781 x11Screens[i].root = RootWindow(awt_display, 0);
782 }
783 else {
784 x11Screens[i].root = RootWindow(awt_display, i);
785 }
786 x11Screens[i].defaultConfig = makeDefaultConfig(env, i);
787 }
788
789 return dpy;
790 }
791 #endif /* !HEADLESS */
792
793 /*
794 * Class: sun_awt_X11GraphicsEnvironment
795 * Method: getDefaultScreenNum
796 * Signature: ()I
797 */
798 JNIEXPORT jint JNICALL
799 Java_sun_awt_X11GraphicsEnvironment_getDefaultScreenNum(
800 JNIEnv *env, jobject this)
801 {
802 #ifdef HEADLESS
803 return (jint)0;
804 #else
805 return DefaultScreen(awt_display);
806 #endif /* !HEADLESS */
807 }
808
809 #ifndef HEADLESS
810 static void ensureConfigsInited(JNIEnv* env, int screen) {
811 if (x11Screens[screen].numConfigs == 0) {
812 if (env == NULL) {
813 env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
814 }
815 getAllConfigs (env, screen, &(x11Screens[screen]));
816 }
817 }
818 #endif
819
820 #ifdef HEADLESS
821 void* getDefaultConfig(int screen) {
822 return NULL;
823 }
824 #else
825 AwtGraphicsConfigDataPtr
826 getDefaultConfig(int screen) {
827 ensureConfigsInited(NULL, screen);
828 return x11Screens[screen].defaultConfig;
829 }
830
831 AwtScreenDataPtr
832 getScreenData(int screen) {
833 return &(x11Screens[screen]);
834 }
835 #endif /* !HEADLESS */
836
837 /*
838 * Class: sun_awt_X11GraphicsEnvironment
839 * Method: initDisplay
840 * Signature: (Z)V
841 */
842 JNIEXPORT void JNICALL
843 Java_sun_awt_X11GraphicsEnvironment_initDisplay(JNIEnv *env, jobject this,
844 jboolean glxReq)
845 {
846 #ifndef HEADLESS
847 glxRequested = glxReq;
848 (void) awt_init_Display(env, this);
849 #endif /* !HEADLESS */
850 }
851
852 /*
853 * Class: sun_awt_X11GraphicsEnvironment
854 * Method: initGLX
855 * Signature: ()Z
856 */
857 JNIEXPORT jboolean JNICALL
858 Java_sun_awt_X11GraphicsEnvironment_initGLX(JNIEnv *env, jclass x11ge)
859 {
860 #ifndef HEADLESS
861 jboolean glxAvailable;
862
863 AWT_LOCK();
864 glxAvailable = GLXGC_IsGLXAvailable();
865 AWT_UNLOCK();
866
867 return glxAvailable;
868 #else
869 return JNI_FALSE;
870 #endif /* !HEADLESS */
871 }
872
873 /*
874 * Class: sun_awt_X11GraphicsEnvironment
875 * Method: getNumScreens
876 * Signature: ()I
877 */
878 JNIEXPORT jint JNICALL
879 Java_sun_awt_X11GraphicsEnvironment_getNumScreens(JNIEnv *env, jobject this)
880 {
881 #ifdef HEADLESS
882 return (jint)0;
883 #else
884 return awt_numScreens;
885 #endif /* !HEADLESS */
886 }
887
888 /*
889 * Class: sun_awt_X11GraphicsDevice
890 * Method: getDisplay
891 * Signature: ()J
892 */
893 JNIEXPORT jlong JNICALL
894 Java_sun_awt_X11GraphicsDevice_getDisplay(JNIEnv *env, jobject this)
895 {
896 #ifdef HEADLESS
897 return NULL;
898 #else
899 return ptr_to_jlong(awt_display);
900 #endif /* !HEADLESS */
901 }
902
903 #ifdef MITSHM
904
905 static jint canUseShmExt = UNSET_MITSHM;
906 static jint canUseShmExtPixmaps = UNSET_MITSHM;
907 static jboolean xshmAttachFailed = JNI_FALSE;
908
909 int J2DXErrHandler(Display *display, XErrorEvent *xerr) {
910 int ret = 0;
911 if (xerr->minor_code == X_ShmAttach) {
912 xshmAttachFailed = JNI_TRUE;
913 } else {
914 ret = (*xerror_saved_handler)(display, xerr);
915 }
916 return ret;
917 }
918 jboolean isXShmAttachFailed() {
919 return xshmAttachFailed;
920 }
921 void resetXShmAttachFailed() {
922 xshmAttachFailed = JNI_FALSE;
923 }
924
925 void TryInitMITShm(JNIEnv *env, jint *shmExt, jint *shmPixmaps) {
926 XShmSegmentInfo shminfo;
927 int XShmMajor, XShmMinor;
928 int a, b, c;
929
930 AWT_LOCK();
931 if (canUseShmExt != UNSET_MITSHM) {
932 *shmExt = canUseShmExt;
933 *shmPixmaps = canUseShmExtPixmaps;
934 AWT_UNLOCK();
935 return;
936 }
937
938 *shmExt = canUseShmExt = CANT_USE_MITSHM;
939 *shmPixmaps = canUseShmExtPixmaps = CANT_USE_MITSHM;
940
941 /**
942 * XShmQueryExtension returns False in remote server case.
943 * Unfortunately it also returns True in ssh case, so
944 * we need to test that we can actually do XShmAttach.
945 */
946 if (XShmQueryExtension(awt_display)) {
947 shminfo.shmid = shmget(IPC_PRIVATE, 0x10000, IPC_CREAT|0777);
948 if (shminfo.shmid < 0) {
949 AWT_UNLOCK();
950 J2dRlsTraceLn1(J2D_TRACE_ERROR,
951 "TryInitMITShm: shmget has failed: %s",
952 strerror(errno));
953 return;
954 }
955 shminfo.shmaddr = (char *) shmat(shminfo.shmid, 0, 0);
956 if (shminfo.shmaddr == ((char *) -1)) {
957 shmctl(shminfo.shmid, IPC_RMID, 0);
958 AWT_UNLOCK();
959 J2dRlsTraceLn1(J2D_TRACE_ERROR,
960 "TryInitMITShm: shmat has failed: %s",
961 strerror(errno));
962 return;
963 }
964 shminfo.readOnly = True;
965
966 resetXShmAttachFailed();
967 /**
968 * The J2DXErrHandler handler will set xshmAttachFailed
969 * to JNI_TRUE if any Shm error has occured.
970 */
971 EXEC_WITH_XERROR_HANDLER(J2DXErrHandler,
972 XShmAttach(awt_display, &shminfo));
973
974 /**
975 * Get rid of the id now to reduce chances of leaking
976 * system resources.
977 */
978 shmctl(shminfo.shmid, IPC_RMID, 0);
979
980 if (isXShmAttachFailed() == JNI_FALSE) {
981 canUseShmExt = CAN_USE_MITSHM;
982 /* check if we can use shared pixmaps */
983 XShmQueryVersion(awt_display, &XShmMajor, &XShmMinor,
984 (Bool*)&canUseShmExtPixmaps);
985 canUseShmExtPixmaps = canUseShmExtPixmaps &&
986 (XShmPixmapFormat(awt_display) == ZPixmap);
987 XShmDetach(awt_display, &shminfo);
988 }
989 shmdt(shminfo.shmaddr);
990 *shmExt = canUseShmExt;
991 *shmPixmaps = canUseShmExtPixmaps;
992 }
993 AWT_UNLOCK();
994 }
995 #endif /* MITSHM */
996
997 /*
998 * Class: sun_awt_X11GraphicsEnvironment
999 * Method: checkShmExt
1000 * Signature: ()I
1001 */
1002 JNIEXPORT jint JNICALL
1003 Java_sun_awt_X11GraphicsEnvironment_checkShmExt(JNIEnv *env, jobject this)
1004 {
1005
1006 int shmExt = NOEXT_MITSHM, shmPixmaps;
1007 #ifdef MITSHM
1008 TryInitMITShm(env, &shmExt, &shmPixmaps);
1009 #endif
1010 return shmExt;
1011 }
1012
1013 /*
1014 * Class: sun_awt_X11GraphicsEnvironment
1015 * Method: getDisplayString
1016 * Signature: ()Ljava/lang/String
1017 */
1018 JNIEXPORT jstring JNICALL
1019 Java_sun_awt_X11GraphicsEnvironment_getDisplayString
1020 (JNIEnv *env, jobject this)
1021 {
1022 #ifdef HEADLESS
1023 return (jstring)NULL;
1024 #else
1025 return (*env)->NewStringUTF(env, DisplayString(awt_display));
1026 #endif /* HEADLESS */
1027 }
1028
1029
1030 /*
1031 * Class: sun_awt_X11GraphicsDevice
1032 * Method: getNumConfigs
1033 * Signature: ()I
1034 */
1035 JNIEXPORT jint JNICALL
1036 Java_sun_awt_X11GraphicsDevice_getNumConfigs(
1037 JNIEnv *env, jobject this, jint screen)
1038 {
1039 #ifdef HEADLESS
1040 return (jint)0;
1041 #else
1042 ensureConfigsInited(env, screen);
1043 return x11Screens[screen].numConfigs;
1044 #endif /* !HEADLESS */
1045 }
1046
1047 /*
1048 * Class: sun_awt_X11GraphicsDevice
1049 * Method: getConfigVisualId
1050 * Signature: (I)I
1051 */
1052 JNIEXPORT jint JNICALL
1053 Java_sun_awt_X11GraphicsDevice_getConfigVisualId(
1054 JNIEnv *env, jobject this, jint index, jint screen)
1055 {
1056 #ifdef HEADLESS
1057 return (jint)0;
1058 #else
1059 int visNum;
1060
1061 ensureConfigsInited(env, screen);
1062 if (index == 0) {
1063 return ((jint)x11Screens[screen].defaultConfig->awt_visInfo.visualid);
1064 } else {
1065 return ((jint)x11Screens[screen].configs[index]->awt_visInfo.visualid);
1066 }
1067 #endif /* !HEADLESS */
1068 }
1069
1070 /*
1071 * Class: sun_awt_X11GraphicsDevice
1072 * Method: getConfigDepth
1073 * Signature: (I)I
1074 */
1075 JNIEXPORT jint JNICALL
1076 Java_sun_awt_X11GraphicsDevice_getConfigDepth(
1077 JNIEnv *env, jobject this, jint index, jint screen)
1078 {
1079 #ifdef HEADLESS
1080 return (jint)0;
1081 #else
1082 int visNum;
1083
1084 ensureConfigsInited(env, screen);
1085 if (index == 0) {
1086 return ((jint)x11Screens[screen].defaultConfig->awt_visInfo.depth);
1087 } else {
1088 return ((jint)x11Screens[screen].configs[index]->awt_visInfo.depth);
1089 }
1090 #endif /* !HEADLESS */
1091 }
1092
1093 /*
1094 * Class: sun_awt_X11GraphicsDevice
1095 * Method: getConfigColormap
1096 * Signature: (I)I
1097 */
1098 JNIEXPORT jint JNICALL
1099 Java_sun_awt_X11GraphicsDevice_getConfigColormap(
1100 JNIEnv *env, jobject this, jint index, jint screen)
1101 {
1102 #ifdef HEADLESS
1103 return (jint)0;
1104 #else
1105 int visNum;
1106
1107 ensureConfigsInited(env, screen);
1108 if (index == 0) {
1109 return ((jint)x11Screens[screen].defaultConfig->awt_cmap);
1110 } else {
1111 return ((jint)x11Screens[screen].configs[index]->awt_cmap);
1112 }
1113 #endif /* !HEADLESS */
1114 }
1115
1116 /*
1117 * Class: sun_awt_X11GraphicsDevice
1118 * Method: resetNativeData
1119 * Signature: (I)V
1120 */
1121 JNIEXPORT void JNICALL
1122 Java_sun_awt_X11GraphicsDevice_resetNativeData
1123 (JNIEnv *env, jclass x11gd, jint screen)
1124 {
1125 #ifndef HEADLESS
1126 /*
1127 * Reset references to the various configs; the actual native config data
1128 * will be free'd later by the Disposer mechanism when the Java-level
1129 * X11GraphicsConfig objects go away. By setting these values to NULL,
1130 * we ensure that they will be reinitialized as necessary (for example,
1131 * see the getNumConfigs() method).
1132 */
1133 if (x11Screens[screen].configs) {
1134 free(x11Screens[screen].configs);
1135 x11Screens[screen].configs = NULL;
1136 }
1137 x11Screens[screen].defaultConfig = NULL;
1138 x11Screens[screen].numConfigs = 0;
1139 #endif /* !HEADLESS */
1140 }
1141
1142 /*
1143 * Class: sun_awt_X11GraphicsConfig
1144 * Method: dispose
1145 * Signature: (J)V
1146 */
1147 JNIEXPORT void JNICALL
1148 Java_sun_awt_X11GraphicsConfig_dispose
1149 (JNIEnv *env, jclass x11gc, jlong configData)
1150 {
1151 #ifndef HEADLESS
1152 AwtGraphicsConfigDataPtr aData = (AwtGraphicsConfigDataPtr)
1153 jlong_to_ptr(configData);
1154
1155 if (aData == NULL) {
1156 return;
1157 }
1158
1159 AWT_LOCK();
1160 if (aData->awt_cmap) {
1161 XFreeColormap(awt_display, aData->awt_cmap);
1162 }
1163 if (aData->awtImage) {
1164 free(aData->awtImage);
1165 }
1166 if (aData->monoImage) {
1167 XFree(aData->monoImage);
1168 }
1169 if (aData->monoPixmap) {
1170 XFreePixmap(awt_display, aData->monoPixmap);
1171 }
1172 if (aData->monoPixmapGC) {
1173 XFreeGC(awt_display, aData->monoPixmapGC);
1174 }
1175 if (aData->color_data) {
1176 free(aData->color_data);
1177 }
1178 AWT_UNLOCK();
1179
1180 if (aData->glxInfo) {
1181 /*
1182 * The native GLXGraphicsConfig data needs to be disposed separately
1183 * on the OGL queue flushing thread (should not be called while
1184 * the AWT lock is held).
1185 */
1186 JNU_CallStaticMethodByName(env, NULL,
1187 "sun/java2d/opengl/OGLRenderQueue",
1188 "disposeGraphicsConfig", "(J)V",
1189 ptr_to_jlong(aData->glxInfo));
1190 }
1191
1192 free(aData);
1193 #endif /* !HEADLESS */
1194 }
1195
1196 /*
1197 * Class: sun_awt_X11GraphicsConfig
1198 * Method: getXResolution
1199 * Signature: ()I
1200 */
1201 JNIEXPORT jdouble JNICALL
1202 Java_sun_awt_X11GraphicsConfig_getXResolution(
1203 JNIEnv *env, jobject this, jint screen)
1204 {
1205 #ifdef HEADLESS
1206 return (jdouble)0;
1207 #else
1208 return ((DisplayWidth(awt_display, screen) * 25.4) /
1209 DisplayWidthMM(awt_display, screen));
1210 #endif /* !HEADLESS */
1211 }
1212
1213 /*
1214 * Class: sun_awt_X11GraphicsConfig
1215 * Method: getYResolution
1216 * Signature: ()I
1217 */
1218 JNIEXPORT jdouble JNICALL
1219 Java_sun_awt_X11GraphicsConfig_getYResolution(
1220 JNIEnv *env, jobject this, jint screen)
1221 {
1222 #ifdef HEADLESS
1223 return (jdouble)0;
1224 #else
1225 return ((DisplayHeight(awt_display, screen) * 25.4) /
1226 DisplayHeightMM(awt_display, screen));
1227 #endif /* !HEADLESS */
1228 }
1229
1230
1231 /*
1232 * Class: sun_awt_X11GraphicsConfig
1233 * Method: getNumColors
1234 * Signature: ()I
1235 */
1236 JNIEXPORT jint JNICALL
1237 Java_sun_awt_X11GraphicsConfig_getNumColors(
1238 JNIEnv *env, jobject this)
1239 {
1240 #ifdef HEADLESS
1241 return (jint)0;
1242 #else
1243 AwtGraphicsConfigData *adata;
1244
1245 adata = (AwtGraphicsConfigData *) JNU_GetLongFieldAsPtr(env, this,
1246 x11GraphicsConfigIDs.aData);
1247
1248 return adata->awt_num_colors;
1249 #endif /* !HEADLESS */
1250 }
1251
1252 /*
1253 * Class: sun_awt_X11GraphicsConfig
1254 * Method: init
1255 * Signature: (I)V
1256 */
1257 JNIEXPORT void JNICALL
1258 Java_sun_awt_X11GraphicsConfig_init(
1259 JNIEnv *env, jobject this, jint visualNum, jint screen)
1260 {
1261 #ifndef HEADLESS
1262 AwtGraphicsConfigData *adata = NULL;
1263 AwtScreenData asd = x11Screens[screen];
1264 int i, n;
1265 int depth;
1266 XImage * tempImage;
1267
1268 /* If haven't gotten all of the configs yet, do it now. */
1269 if (asd.numConfigs == 0) {
1270 getAllConfigs (env, screen, &asd);
1271 }
1272
1273 /* Check the graphicsConfig for this visual */
1274 for (i = 0; i < asd.numConfigs; i++) {
1275 AwtGraphicsConfigDataPtr agcPtr = asd.configs[i];
1276 if ((jint)agcPtr->awt_visInfo.visualid == visualNum) {
1277 adata = agcPtr;
1278 break;
1279 }
1280 }
1281
1282 /* If didn't find the visual, throw an exception... */
1283 if (adata == (AwtGraphicsConfigData *) NULL) {
1284 JNU_ThrowIllegalArgumentException(env, "Unknown Visual Specified");
1285 return;
1286 }
1287
1288 /* adata->awt_cmap initialization has been deferred to
1289 * makeColorModel call
1290 */
1291
1292 JNU_SetLongFieldFromPtr(env, this, x11GraphicsConfigIDs.aData, adata);
1293
1294 depth = adata->awt_visInfo.depth;
1295 tempImage = XCreateImage(awt_display,
1296 adata->awt_visInfo.visual,
1297 depth, ZPixmap, 0, NULL, 1, 1, 32, 0);
1298 adata->pixelStride = (tempImage->bits_per_pixel + 7) / 8;
1299 (*env)->SetIntField(env, this, x11GraphicsConfigIDs.bitsPerPixel,
1300 (jint)tempImage->bits_per_pixel);
1301 XDestroyImage(tempImage);
1302 #endif /* !HEADLESS */
1303 }
1304
1305
1306
1307 /*
1308 * Class: sun_awt_X11GraphicsConfig
1309 * Method: makeColorModel
1310 * Signature: ()Ljava/awt/image/ColorModel
1311 */
1312 JNIEXPORT jobject JNICALL
1313 Java_sun_awt_X11GraphicsConfig_makeColorModel(
1314 JNIEnv *env, jobject this)
1315 {
1316 #ifdef HEADLESS
1317 return NULL;
1318 #else
1319 AwtGraphicsConfigData *adata;
1320 jobject colorModel;
1321
1322 /*
1323 * If awt is not locked yet, return null since the toolkit is not
1324 * initialized yet.
1325 */
1326 if (!awtLockInited) {
1327 return NULL;
1328 }
1329
1330 AWT_LOCK ();
1331
1332 adata = (AwtGraphicsConfigData *) JNU_GetLongFieldAsPtr(env, this,
1333 x11GraphicsConfigIDs.aData);
1334
1335 /* If colormap entry of adata is NULL, need to create it now */
1336 if (adata->awt_cmap == (Colormap) NULL) {
1337 awtJNI_CreateColorData (env, adata, 1);
1338 }
1339
1340 /* Make Color Model object for this GraphicsConfiguration */
1341 colorModel = awtJNI_GetColorModel (env, adata);
1342
1343 AWT_UNLOCK ();
1344
1345 return colorModel;
1346 #endif /* !HEADLESS */
1347 }
1348
1349
1350 /*
1351 * Class: sun_awt_X11GraphicsConfig
1352 * Method: getBounds
1353 * Signature: ()Ljava/awt/Rectangle
1354 */
1355 JNIEXPORT jobject JNICALL
1356 Java_sun_awt_X11GraphicsConfig_pGetBounds(JNIEnv *env, jobject this, jint screen)
1357 {
1358 #ifdef HEADLESS
1359 return NULL;
1360 #else
1361 jclass clazz;
1362 jmethodID mid;
1363 jobject bounds = NULL;
1364 AwtGraphicsConfigDataPtr adata;
1365
1366 adata = (AwtGraphicsConfigDataPtr)
1367 JNU_GetLongFieldAsPtr(env, this, x11GraphicsConfigIDs.aData);
1368
1369 clazz = (*env)->FindClass(env, "java/awt/Rectangle");
1370 mid = (*env)->GetMethodID(env, clazz, "<init>", "(IIII)V");
1371 if (mid != NULL) {
1372 if (usingXinerama) {
1373 bounds = (*env)->NewObject(env, clazz, mid, fbrects[screen].x,
1374 fbrects[screen].y,
1375 fbrects[screen].width,
1376 fbrects[screen].height);
1377 }
1378 else {
1379 XWindowAttributes xwa;
1380 memset(&xwa, 0, sizeof(xwa));
1381
1382 AWT_LOCK ();
1383 XGetWindowAttributes(awt_display,
1384 RootWindow(awt_display, adata->awt_visInfo.screen),
1385 &xwa);
1386 AWT_UNLOCK ();
1387
1388 bounds = (*env)->NewObject(env, clazz, mid, 0, 0,
1389 xwa.width, xwa.height);
1390 }
1391
1392 if ((*env)->ExceptionOccurred(env)) {
1393 return NULL;
1394 }
1395 }
1396 return bounds;
1397 #endif /* !HEADLESS */
1398 }
1399
1400 /*
1401 * Class: sun_awt_X11GraphicsConfig
1402 * Method: createBackBuffer
1403 * Signature: (JI)J
1404 */
1405 JNIEXPORT jlong JNICALL
1406 Java_sun_awt_X11GraphicsConfig_createBackBuffer
1407 (JNIEnv *env, jobject this, jlong window, jint swapAction)
1408 {
1409 int32_t v1, v2;
1410 XdbeBackBuffer ret = (unsigned long) 0;
1411 Window w = (Window)window;
1412 AWT_LOCK();
1413 if (!XdbeQueryExtension(awt_display, &v1, &v2)) {
1414 JNU_ThrowByName(env, "java/lang/Exception",
1415 "Could not query double-buffer extension");
1416 AWT_UNLOCK();
1417 return (jlong)0;
1418 }
1419 ret = XdbeAllocateBackBufferName(awt_display, w,
1420 (XdbeSwapAction)swapAction);
1421 AWT_FLUSH_UNLOCK();
1422 return (jlong)ret;
1423 }
1424
1425 /*
1426 * Class: sun_awt_X11GraphicsConfig
1427 * Method: destroyBackBuffer
1428 * Signature: (J)V
1429 */
1430 JNIEXPORT void JNICALL
1431 Java_sun_awt_X11GraphicsConfig_destroyBackBuffer
1432 (JNIEnv *env, jobject this, jlong backBuffer)
1433 {
1434 AWT_LOCK();
1435 XdbeDeallocateBackBufferName(awt_display, (XdbeBackBuffer)backBuffer);
1436 AWT_FLUSH_UNLOCK();
1437 }
1438
1439 /*
1440 * Class: sun_awt_X11GraphicsConfig
1441 * Method: swapBuffers
1442 * Signature: (JI)V
1443 */
1444 JNIEXPORT void JNICALL
1445 Java_sun_awt_X11GraphicsConfig_swapBuffers
1446 (JNIEnv *env, jobject this,
1447 jlong window, jint swapAction)
1448 {
1449 XdbeSwapInfo swapInfo;
1450
1451 AWT_LOCK();
1452
1453 XdbeBeginIdiom(awt_display);
1454 swapInfo.swap_window = (Window)window;
1455 swapInfo.swap_action = (XdbeSwapAction)swapAction;
1456 if (!XdbeSwapBuffers(awt_display, &swapInfo, 1)) {
1457 JNU_ThrowInternalError(env, "Could not swap buffers");
1458 }
1459 XdbeEndIdiom(awt_display);
1460
1461 AWT_FLUSH_UNLOCK();
1462 }
1463
1464 /*
1465 * Class: sun_awt_X11GraphicsConfig
1466 * Method: isTranslucencyCapable
1467 * Signature: (J)V
1468 */
1469 JNIEXPORT jboolean JNICALL
1470 Java_sun_awt_X11GraphicsConfig_isTranslucencyCapable
1471 (JNIEnv *env, jobject this, jlong configData)
1472 {
1473 #ifdef HEADLESS
1474 return JNI_FALSE;
1475 #else
1476 AwtGraphicsConfigDataPtr aData = (AwtGraphicsConfigDataPtr)jlong_to_ptr(configData);
1477 if (aData == NULL) {
1478 return JNI_FALSE;
1479 }
1480 return (jboolean)aData->isTranslucencySupported;
1481 #endif
1482 }
1483
1484 /*
1485 * Class: sun_awt_X11GraphicsDevice
1486 * Method: isDBESupported
1487 * Signature: ()Z
1488 */
1489 JNIEXPORT jboolean JNICALL
1490 Java_sun_awt_X11GraphicsDevice_isDBESupported(JNIEnv *env, jobject this)
1491 {
1492 #ifdef HEADLESS
1493 return JNI_FALSE;
1494 #else
1495 int opcode = 0, firstEvent = 0, firstError = 0;
1496 jboolean ret;
1497
1498 AWT_LOCK();
1499 ret = (jboolean)XQueryExtension(awt_display, "DOUBLE-BUFFER",
1500 &opcode, &firstEvent, &firstError);
1501 AWT_FLUSH_UNLOCK();
1502 return ret;
1503 #endif /* !HEADLESS */
1504 }
1505
1506 /*
1507 * Class: sun_awt_X11GraphicsDevice
1508 * Method: getDoubleBufferVisuals
1509 * Signature: (I)V
1510 */
1511 JNIEXPORT void JNICALL
1512 Java_sun_awt_X11GraphicsDevice_getDoubleBufferVisuals(JNIEnv *env,
1513 jobject this, jint screen)
1514 {
1515 #ifndef HEADLESS
1516 jclass clazz;
1517 jmethodID midAddVisual;
1518 Window rootWindow;
1519 int i, n = 1;
1520 XdbeScreenVisualInfo* visScreenInfo;
1521 int xinawareScreen;
1522
1523 if (usingXinerama) {
1524 xinawareScreen = 0;
1525 }
1526 else {
1527 xinawareScreen = screen;
1528 }
1529
1530 clazz = (*env)->GetObjectClass(env, this);
1531 midAddVisual = (*env)->GetMethodID(env, clazz, "addDoubleBufferVisual",
1532 "(I)V");
1533
1534 AWT_LOCK();
1535 rootWindow = RootWindow(awt_display, xinawareScreen);
1536 visScreenInfo = XdbeGetVisualInfo(awt_display, &rootWindow, &n);
1537 if (visScreenInfo == NULL) {
1538 JNU_ThrowInternalError(env, "Could not get visual info");
1539 AWT_UNLOCK();
1540 return;
1541 }
1542 AWT_FLUSH_UNLOCK();
1543 for (i = 0; i < visScreenInfo->count; i++) {
1544 XdbeVisualInfo* visInfo = visScreenInfo->visinfo;
1545 (*env)->CallVoidMethod(env, this, midAddVisual, (visInfo[i]).visual);
1546 }
1547 #endif /* !HEADLESS */
1548 }
1549
1550 /*
1551 * Class: sun_awt_X11GraphicsEnvironment
1552 * Method: pRunningXinerama
1553 * Signature: ()Z
1554 */
1555 JNIEXPORT jboolean JNICALL
1556 Java_sun_awt_X11GraphicsEnvironment_pRunningXinerama(JNIEnv *env,
1557 jobject this)
1558 {
1559 #ifdef HEADLESS
1560 return false;
1561 #else
1562 return usingXinerama;
1563 #endif /* HEADLESS */
1564 }
1565
1566 /*
1567 * Can return NULL.
1568 *
1569 * Class: sun_awt_X11GraphicsEnvironment
1570 * Method: getXineramaCenterPoint
1571 * Signature: ()Ljava/awt/Point
1572 */
1573 JNIEXPORT jobject JNICALL
1574 Java_sun_awt_X11GraphicsEnvironment_getXineramaCenterPoint(JNIEnv *env,
1575 jobject this)
1576 {
1577 jobject point = NULL;
1578 #ifndef HEADLESS /* return NULL in HEADLESS, Linux */
1579 #if !defined(__linux__) && !defined(MACOSX)
1580 int x,y;
1581
1582 AWT_LOCK();
1583 DASSERT(usingXinerama);
1584 if (XineramaSolarisCenterFunc != NULL) {
1585 (XineramaSolarisCenterFunc)(awt_display, 0, &x, &y);
1586 point = JNU_NewObjectByName(env, "java/awt/Point","(II)V", x, y);
1587 DASSERT(point);
1588 } else {
1589 DTRACE_PRINTLN("unable to call XineramaSolarisCenterFunc: symbol is null");
1590 }
1591 AWT_FLUSH_UNLOCK();
1592 #endif /* __linux __ || MACOSX */
1593 #endif /* HEADLESS */
1594 return point;
1595 }
1596
1597
1598 /**
1599 * Begin DisplayMode/FullScreen support
1600 */
1601
1602 #ifndef HEADLESS
1603
1604 #define BIT_DEPTH_MULTI java_awt_DisplayMode_BIT_DEPTH_MULTI
1605 #define REFRESH_RATE_UNKNOWN java_awt_DisplayMode_REFRESH_RATE_UNKNOWN
1606
1607 typedef Status
1608 (*XRRQueryVersionType) (Display *dpy, int *major_versionp, int *minor_versionp);
1609 typedef XRRScreenConfiguration*
1610 (*XRRGetScreenInfoType)(Display *dpy, Drawable root);
1611 typedef void
1612 (*XRRFreeScreenConfigInfoType)(XRRScreenConfiguration *config);
1613 typedef short*
1614 (*XRRConfigRatesType)(XRRScreenConfiguration *config,
1615 int sizeID, int *nrates);
1616 typedef short
1617 (*XRRConfigCurrentRateType)(XRRScreenConfiguration *config);
1618 typedef XRRScreenSize*
1619 (*XRRConfigSizesType)(XRRScreenConfiguration *config,
1620 int *nsizes);
1621 typedef SizeID
1622 (*XRRConfigCurrentConfigurationType)(XRRScreenConfiguration *config,
1623 Rotation *rotation);
1624 typedef Status
1625 (*XRRSetScreenConfigAndRateType)(Display *dpy,
1626 XRRScreenConfiguration *config,
1627 Drawable draw,
1628 int size_index,
1629 Rotation rotation,
1630 short rate,
1631 Time timestamp);
1632 typedef Rotation
1633 (*XRRConfigRotationsType)(XRRScreenConfiguration *config,
1634 Rotation *current_rotation);
1635
1636 static XRRQueryVersionType awt_XRRQueryVersion;
1637 static XRRGetScreenInfoType awt_XRRGetScreenInfo;
1638 static XRRFreeScreenConfigInfoType awt_XRRFreeScreenConfigInfo;
1639 static XRRConfigRatesType awt_XRRConfigRates;
1640 static XRRConfigCurrentRateType awt_XRRConfigCurrentRate;
1641 static XRRConfigSizesType awt_XRRConfigSizes;
1642 static XRRConfigCurrentConfigurationType awt_XRRConfigCurrentConfiguration;
1643 static XRRSetScreenConfigAndRateType awt_XRRSetScreenConfigAndRate;
1644 static XRRConfigRotationsType awt_XRRConfigRotations;
1645
1646 #define LOAD_XRANDR_FUNC(f) \
1647 do { \
1648 awt_##f = (f##Type)dlsym(pLibRandR, #f); \
1649 if (awt_##f == NULL) { \
1650 J2dRlsTraceLn1(J2D_TRACE_ERROR, \
1651 "X11GD_InitXrandrFuncs: Could not load %s", #f); \
1652 dlclose(pLibRandR); \
1653 return JNI_FALSE; \
1654 } \
1655 } while (0)
1656
1657 static jboolean
1658 X11GD_InitXrandrFuncs(JNIEnv *env)
1659 {
1660 int rr_maj_ver = 0, rr_min_ver = 0;
1661
1662 void *pLibRandR = dlopen(VERSIONED_JNI_LIB_NAME("Xrandr", "2"),
1663 RTLD_LAZY | RTLD_LOCAL);
1664 if (pLibRandR == NULL) {
1665 pLibRandR = dlopen(JNI_LIB_NAME("Xrandr"), RTLD_LAZY | RTLD_LOCAL);
1666 }
1667 if (pLibRandR == NULL) {
1668 J2dRlsTraceLn(J2D_TRACE_ERROR,
1669 "X11GD_InitXrandrFuncs: Could not open libXrandr.so.2");
1670 return JNI_FALSE;
1671 }
1672
1673 LOAD_XRANDR_FUNC(XRRQueryVersion);
1674
1675 if (!(*awt_XRRQueryVersion)(awt_display, &rr_maj_ver, &rr_min_ver)) {
1676 J2dRlsTraceLn(J2D_TRACE_ERROR,
1677 "X11GD_InitXrandrFuncs: XRRQueryVersion returned an error status");
1678 dlclose(pLibRandR);
1679 return JNI_FALSE;
1680 }
1681
1682 if (usingXinerama) {
1683 /*
1684 * We can proceed as long as this is RANDR 1.2 or above.
1685 * As of Xorg server 1.3 onwards the Xinerama backend may actually be
1686 * a fake one provided by RANDR itself. See Java bug 6636469 for info.
1687 */
1688 if (!(rr_maj_ver > 1 || (rr_maj_ver == 1 && rr_min_ver >= 2))) {
1689 J2dRlsTraceLn2(J2D_TRACE_INFO, "X11GD_InitXrandrFuncs: Can't use Xrandr. "
1690 "Xinerama is active and Xrandr version is %d.%d",
1691 rr_maj_ver, rr_min_ver);
1692 dlclose(pLibRandR);
1693 return JNI_FALSE;
1694 }
1695
1696 /*
1697 * REMIND: Fullscreen mode doesn't work quite right with multi-monitor
1698 * setups and RANDR 1.2. So for now we also require a single screen.
1699 */
1700 if (awt_numScreens > 1 ) {
1701 J2dRlsTraceLn(J2D_TRACE_INFO, "X11GD_InitXrandrFuncs: Can't use Xrandr. "
1702 "Multiple screens in use");
1703 dlclose(pLibRandR);
1704 return JNI_FALSE;
1705 }
1706 }
1707
1708 LOAD_XRANDR_FUNC(XRRGetScreenInfo);
1709 LOAD_XRANDR_FUNC(XRRFreeScreenConfigInfo);
1710 LOAD_XRANDR_FUNC(XRRConfigRates);
1711 LOAD_XRANDR_FUNC(XRRConfigCurrentRate);
1712 LOAD_XRANDR_FUNC(XRRConfigSizes);
1713 LOAD_XRANDR_FUNC(XRRConfigCurrentConfiguration);
1714 LOAD_XRANDR_FUNC(XRRSetScreenConfigAndRate);
1715 LOAD_XRANDR_FUNC(XRRConfigRotations);
1716
1717 return JNI_TRUE;
1718 }
1719
1720 static jobject
1721 X11GD_CreateDisplayMode(JNIEnv *env, jint width, jint height,
1722 jint bitDepth, jint refreshRate)
1723 {
1724 jclass displayModeClass;
1725 jmethodID cid;
1726 jint validRefreshRate = refreshRate;
1727
1728 displayModeClass = (*env)->FindClass(env, "java/awt/DisplayMode");
1729 if (JNU_IsNull(env, displayModeClass)) {
1730 JNU_ThrowInternalError(env,
1731 "Could not get display mode class");
1732 return NULL;
1733 }
1734
1735 cid = (*env)->GetMethodID(env, displayModeClass, "<init>", "(IIII)V");
1736 if (cid == NULL) {
1737 JNU_ThrowInternalError(env,
1738 "Could not get display mode constructor");
1739 return NULL;
1740 }
1741
1742 // early versions of xrandr may report "empty" rates (6880694)
1743 if (validRefreshRate <= 0) {
1744 validRefreshRate = REFRESH_RATE_UNKNOWN;
1745 }
1746
1747 return (*env)->NewObject(env, displayModeClass, cid,
1748 width, height, bitDepth, validRefreshRate);
1749 }
1750
1751 static void
1752 X11GD_AddDisplayMode(JNIEnv *env, jobject arrayList,
1753 jint width, jint height,
1754 jint bitDepth, jint refreshRate)
1755 {
1756 jobject displayMode = X11GD_CreateDisplayMode(env, width, height,
1757 bitDepth, refreshRate);
1758 if (!JNU_IsNull(env, displayMode)) {
1759 jclass arrayListClass;
1760 jmethodID mid;
1761 arrayListClass = (*env)->GetObjectClass(env, arrayList);
1762 if (JNU_IsNull(env, arrayListClass)) {
1763 JNU_ThrowInternalError(env,
1764 "Could not get class java.util.ArrayList");
1765 return;
1766 }
1767 mid = (*env)->GetMethodID(env, arrayListClass, "add",
1768 "(Ljava/lang/Object;)Z");
1769 if (mid == NULL) {
1770 JNU_ThrowInternalError(env,
1771 "Could not get method java.util.ArrayList.add()");
1772 return;
1773 }
1774 (*env)->CallObjectMethod(env, arrayList, mid, displayMode);
1775 (*env)->DeleteLocalRef(env, displayMode);
1776 }
1777 }
1778
1779 static void
1780 X11GD_SetFullscreenMode(Window win, jboolean enabled)
1781 {
1782 Atom wmState = XInternAtom(awt_display, "_NET_WM_STATE", False);
1783 Atom wmStateFs = XInternAtom(awt_display,
1784 "_NET_WM_STATE_FULLSCREEN", False);
1785 Window root, parent, *children = NULL;
1786 unsigned int numchildren;
1787 XEvent event;
1788 Status status;
1789
1790 if (wmState == None || wmStateFs == None) {
1791 return;
1792 }
1793
1794 /*
1795 * Note: the Window passed to this method is typically the "content
1796 * window" of the top-level, but we need the actual shell window for
1797 * the purposes of constructing the XEvent. Therefore, we walk up the
1798 * window hierarchy here to find the true top-level.
1799 */
1800 do {
1801 if (!XQueryTree(awt_display, win,
1802 &root, &parent,
1803 &children, &numchildren))
1804 {
1805 return;
1806 }
1807
1808 if (children != NULL) {
1809 XFree(children);
1810 }
1811
1812 if (parent == root) {
1813 break;
1814 }
1815
1816 win = parent;
1817 } while (root != parent);
1818
1819 memset(&event, 0, sizeof(event));
1820 event.xclient.type = ClientMessage;
1821 event.xclient.message_type = wmState;
1822 event.xclient.display = awt_display;
1823 event.xclient.window = win;
1824 event.xclient.format = 32;
1825 event.xclient.data.l[0] = enabled ? 1 : 0; // 1==add, 0==remove
1826 event.xclient.data.l[1] = wmStateFs;
1827
1828 XSendEvent(awt_display, root, False,
1829 SubstructureRedirectMask | SubstructureNotifyMask,
1830 &event);
1831 XSync(awt_display, False);
1832 }
1833 #endif /* !HEADLESS */
1834
1835 /*
1836 * Class: sun_awt_X11GraphicsDevice
1837 * Method: initXrandrExtension
1838 * Signature: ()Z
1839 */
1840 JNIEXPORT jboolean JNICALL
1841 Java_sun_awt_X11GraphicsDevice_initXrandrExtension
1842 (JNIEnv *env, jclass x11gd)
1843 {
1844 #ifdef HEADLESS
1845 return JNI_FALSE;
1846 #else
1847 int opcode = 0, firstEvent = 0, firstError = 0;
1848 jboolean ret;
1849
1850 AWT_LOCK();
1851 ret = (jboolean)XQueryExtension(awt_display, "RANDR",
1852 &opcode, &firstEvent, &firstError);
1853 if (ret) {
1854 ret = X11GD_InitXrandrFuncs(env);
1855 }
1856 AWT_FLUSH_UNLOCK();
1857
1858 return ret;
1859 #endif /* HEADLESS */
1860 }
1861
1862 /*
1863 * Class: sun_awt_X11GraphicsDevice
1864 * Method: getCurrentDisplayMode
1865 * Signature: (I)Ljava/awt/DisplayMode;
1866 */
1867 JNIEXPORT jobject JNICALL
1868 Java_sun_awt_X11GraphicsDevice_getCurrentDisplayMode
1869 (JNIEnv* env, jclass x11gd, jint screen)
1870 {
1871 #ifdef HEADLESS
1872 return NULL;
1873 #else
1874 XRRScreenConfiguration *config;
1875 jobject displayMode = NULL;
1876
1877 AWT_LOCK();
1878
1879 config = awt_XRRGetScreenInfo(awt_display,
1880 RootWindow(awt_display, screen));
1881 if (config != NULL) {
1882 Rotation rotation;
1883 short curRate;
1884 SizeID curSizeIndex;
1885 XRRScreenSize *sizes;
1886 int nsizes;
1887
1888 curSizeIndex = awt_XRRConfigCurrentConfiguration(config, &rotation);
1889 sizes = awt_XRRConfigSizes(config, &nsizes);
1890 curRate = awt_XRRConfigCurrentRate(config);
1891
1892 if ((sizes != NULL) &&
1893 (curSizeIndex < nsizes))
1894 {
1895 XRRScreenSize curSize = sizes[curSizeIndex];
1896 displayMode = X11GD_CreateDisplayMode(env,
1897 curSize.width,
1898 curSize.height,
1899 BIT_DEPTH_MULTI,
1900 curRate);
1901 }
1902
1903 awt_XRRFreeScreenConfigInfo(config);
1904 }
1905
1906 AWT_FLUSH_UNLOCK();
1907
1908 return displayMode;
1909 #endif /* HEADLESS */
1910 }
1911
1912 /*
1913 * Class: sun_awt_X11GraphicsDevice
1914 * Method: enumDisplayModes
1915 * Signature: (ILjava/util/ArrayList;)V
1916 */
1917 JNIEXPORT void JNICALL
1918 Java_sun_awt_X11GraphicsDevice_enumDisplayModes
1919 (JNIEnv* env, jclass x11gd,
1920 jint screen, jobject arrayList)
1921 {
1922 #ifndef HEADLESS
1923 XRRScreenConfiguration *config;
1924
1925 AWT_LOCK();
1926
1927 config = awt_XRRGetScreenInfo(awt_display,
1928 RootWindow(awt_display, screen));
1929 if (config != NULL) {
1930 int nsizes, i, j;
1931 XRRScreenSize *sizes = awt_XRRConfigSizes(config, &nsizes);
1932
1933 if (sizes != NULL) {
1934 for (i = 0; i < nsizes; i++) {
1935 int nrates;
1936 XRRScreenSize size = sizes[i];
1937 short *rates = awt_XRRConfigRates(config, i, &nrates);
1938
1939 for (j = 0; j < nrates; j++) {
1940 X11GD_AddDisplayMode(env, arrayList,
1941 size.width,
1942 size.height,
1943 BIT_DEPTH_MULTI,
1944 rates[j]);
1945 }
1946 }
1947 }
1948
1949 awt_XRRFreeScreenConfigInfo(config);
1950 }
1951
1952 AWT_FLUSH_UNLOCK();
1953 #endif /* !HEADLESS */
1954 }
1955
1956 /*
1957 * Class: sun_awt_X11GraphicsDevice
1958 * Method: configDisplayMode
1959 * Signature: (IIII)V
1960 */
1961 JNIEXPORT void JNICALL
1962 Java_sun_awt_X11GraphicsDevice_configDisplayMode
1963 (JNIEnv* env, jclass x11gd,
1964 jint screen, jint width, jint height, jint refreshRate)
1965 {
1966 #ifndef HEADLESS
1967 jboolean success = JNI_FALSE;
1968 XRRScreenConfiguration *config;
1969 Drawable root;
1970 Rotation currentRotation = RR_Rotate_0;
1971
1972 AWT_LOCK();
1973
1974 root = RootWindow(awt_display, screen);
1975 config = awt_XRRGetScreenInfo(awt_display, root);
1976 if (config != NULL) {
1977 jboolean foundConfig = JNI_FALSE;
1978 int chosenSizeIndex = -1;
1979 short chosenRate = -1;
1980 int nsizes;
1981 XRRScreenSize *sizes = awt_XRRConfigSizes(config, &nsizes);
1982 awt_XRRConfigRotations(config, ¤tRotation);
1983
1984 if (sizes != NULL) {
1985 int i, j;
1986
1987 /* find the size index that matches the requested dimensions */
1988 for (i = 0; i < nsizes; i++) {
1989 XRRScreenSize size = sizes[i];
1990
1991 if ((size.width == width) && (size.height == height)) {
1992 /* we've found our size index... */
1993 int nrates;
1994 short *rates = awt_XRRConfigRates(config, i, &nrates);
1995
1996 /* now find rate that matches requested refresh rate */
1997 for (j = 0; j < nrates; j++) {
1998 if (rates[j] == refreshRate) {
1999 /* we've found our rate; break out of the loop */
2000 chosenSizeIndex = i;
2001 chosenRate = rates[j];
2002 foundConfig = JNI_TRUE;
2003 break;
2004 }
2005 }
2006
2007 break;
2008 }
2009 }
2010 }
2011
2012 if (foundConfig) {
2013 Status status =
2014 awt_XRRSetScreenConfigAndRate(awt_display, config, root,
2015 chosenSizeIndex,
2016 currentRotation,
2017 chosenRate,
2018 CurrentTime);
2019
2020 /* issue XSync to ensure immediate mode change */
2021 XSync(awt_display, False);
2022
2023 if (status == RRSetConfigSuccess) {
2024 success = JNI_TRUE;
2025 }
2026 }
2027
2028 awt_XRRFreeScreenConfigInfo(config);
2029 }
2030
2031 AWT_FLUSH_UNLOCK();
2032
2033 if (!success) {
2034 JNU_ThrowInternalError(env, "Could not set display mode");
2035 }
2036 #endif /* !HEADLESS */
2037 }
2038
2039 /*
2040 * Class: sun_awt_X11GraphicsDevice
2041 * Method: enterFullScreenExclusive
2042 * Signature: (J)V
2043 */
2044 JNIEXPORT void JNICALL
2045 Java_sun_awt_X11GraphicsDevice_enterFullScreenExclusive
2046 (JNIEnv* env, jclass x11gd,
2047 jlong window)
2048 {
2049 #ifndef HEADLESS
2050 Window win = (Window)window;
2051
2052 AWT_LOCK();
2053 XSync(awt_display, False); /* ensures window is visible first */
2054 X11GD_SetFullscreenMode(win, JNI_TRUE);
2055 AWT_UNLOCK();
2056 #endif /* !HEADLESS */
2057 }
2058
2059 /*
2060 * Class: sun_awt_X11GraphicsDevice
2061 * Method: exitFullScreenExclusive
2062 * Signature: (J)V
2063 */
2064 JNIEXPORT void JNICALL
2065 Java_sun_awt_X11GraphicsDevice_exitFullScreenExclusive
2066 (JNIEnv* env, jclass x11gd,
2067 jlong window)
2068 {
2069 #ifndef HEADLESS
2070 Window win = (Window)window;
2071
2072 AWT_LOCK();
2073 X11GD_SetFullscreenMode(win, JNI_FALSE);
2074 AWT_UNLOCK();
2075 #endif /* !HEADLESS */
2076 }
2077
2078 /**
2079 * End DisplayMode/FullScreen support
2080 */