1 /*
2 * Copyright (c) 1997, 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 "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 JNU_CallStaticMethodByName(env, NULL, "sun/awt/X11/XErrorHandlerUtil", "init", "(J)V",
762 ptr_to_jlong(awt_display));
763
764 /* set awt_numScreens, and whether or not we're using Xinerama */
765 xineramaInit();
766
767 if (!usingXinerama) {
768 awt_numScreens = XScreenCount(awt_display);
769 }
770
771 DTRACE_PRINTLN1("allocating %i screens\n", awt_numScreens);
772 /* Allocate screen data structure array */
773 x11Screens = calloc(awt_numScreens, sizeof(AwtScreenData));
774 if (x11Screens == NULL) {
775 JNU_ThrowOutOfMemoryError((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2),
776 NULL);
777 return NULL;
778 }
779
780 for (i = 0; i < awt_numScreens; i++) {
781 if (usingXinerama) {
782 /* All Xinerama screens use the same X11 root for now */
783 x11Screens[i].root = RootWindow(awt_display, 0);
784 }
785 else {
786 x11Screens[i].root = RootWindow(awt_display, i);
787 }
788 x11Screens[i].defaultConfig = makeDefaultConfig(env, i);
789 }
790
791 return dpy;
792 }
793 #endif /* !HEADLESS */
794
795 /*
796 * Class: sun_awt_X11GraphicsEnvironment
797 * Method: getDefaultScreenNum
798 * Signature: ()I
799 */
800 JNIEXPORT jint JNICALL
801 Java_sun_awt_X11GraphicsEnvironment_getDefaultScreenNum(
802 JNIEnv *env, jobject this)
803 {
804 #ifdef HEADLESS
805 return (jint)0;
806 #else
807 return DefaultScreen(awt_display);
808 #endif /* !HEADLESS */
809 }
810
811 #ifndef HEADLESS
812 static void ensureConfigsInited(JNIEnv* env, int screen) {
813 if (x11Screens[screen].numConfigs == 0) {
814 if (env == NULL) {
815 env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
816 }
817 getAllConfigs (env, screen, &(x11Screens[screen]));
818 }
819 }
820 #endif
821
822 #ifdef HEADLESS
823 void* getDefaultConfig(int screen) {
824 return NULL;
825 }
826 #else
827 AwtGraphicsConfigDataPtr
828 getDefaultConfig(int screen) {
829 ensureConfigsInited(NULL, screen);
830 return x11Screens[screen].defaultConfig;
831 }
832
833 AwtScreenDataPtr
834 getScreenData(int screen) {
835 return &(x11Screens[screen]);
836 }
837 #endif /* !HEADLESS */
838
839 /*
840 * Class: sun_awt_X11GraphicsEnvironment
841 * Method: initDisplay
842 * Signature: (Z)V
843 */
844 JNIEXPORT void JNICALL
845 Java_sun_awt_X11GraphicsEnvironment_initDisplay(JNIEnv *env, jobject this,
846 jboolean glxReq)
847 {
848 #ifndef HEADLESS
849 glxRequested = glxReq;
850 (void) awt_init_Display(env, this);
851 #endif /* !HEADLESS */
852 }
853
854 /*
855 * Class: sun_awt_X11GraphicsEnvironment
856 * Method: initGLX
857 * Signature: ()Z
858 */
859 JNIEXPORT jboolean JNICALL
860 Java_sun_awt_X11GraphicsEnvironment_initGLX(JNIEnv *env, jclass x11ge)
861 {
862 #ifndef HEADLESS
863 jboolean glxAvailable;
864
865 AWT_LOCK();
866 glxAvailable = GLXGC_IsGLXAvailable();
867 AWT_UNLOCK();
868
869 return glxAvailable;
870 #else
871 return JNI_FALSE;
872 #endif /* !HEADLESS */
873 }
874
875 /*
876 * Class: sun_awt_X11GraphicsEnvironment
877 * Method: getNumScreens
878 * Signature: ()I
879 */
880 JNIEXPORT jint JNICALL
881 Java_sun_awt_X11GraphicsEnvironment_getNumScreens(JNIEnv *env, jobject this)
882 {
883 #ifdef HEADLESS
884 return (jint)0;
885 #else
886 return awt_numScreens;
887 #endif /* !HEADLESS */
888 }
889
890 /*
891 * Class: sun_awt_X11GraphicsDevice
892 * Method: getDisplay
893 * Signature: ()J
894 */
895 JNIEXPORT jlong JNICALL
896 Java_sun_awt_X11GraphicsDevice_getDisplay(JNIEnv *env, jobject this)
897 {
898 #ifdef HEADLESS
899 return NULL;
900 #else
901 return ptr_to_jlong(awt_display);
902 #endif /* !HEADLESS */
903 }
904
905 #ifdef MITSHM
906
907 static jint canUseShmExt = UNSET_MITSHM;
908 static jint canUseShmExtPixmaps = UNSET_MITSHM;
909
910 void TryInitMITShm(JNIEnv *env, jint *shmExt, jint *shmPixmaps) {
911 XShmSegmentInfo shminfo;
912 int XShmMajor, XShmMinor;
913 int a, b, c;
914
915 AWT_LOCK();
916 if (canUseShmExt != UNSET_MITSHM) {
917 *shmExt = canUseShmExt;
918 *shmPixmaps = canUseShmExtPixmaps;
919 AWT_UNLOCK();
920 return;
921 }
922
923 *shmExt = canUseShmExt = CANT_USE_MITSHM;
924 *shmPixmaps = canUseShmExtPixmaps = CANT_USE_MITSHM;
925
926 /**
927 * XShmQueryExtension returns False in remote server case.
928 * Unfortunately it also returns True in ssh case, so
929 * we need to test that we can actually do XShmAttach.
930 */
931 if (XShmQueryExtension(awt_display)) {
932 shminfo.shmid = shmget(IPC_PRIVATE, 0x10000, IPC_CREAT|0777);
933 if (shminfo.shmid < 0) {
934 AWT_UNLOCK();
935 J2dRlsTraceLn1(J2D_TRACE_ERROR,
936 "TryInitMITShm: shmget has failed: %s",
937 strerror(errno));
938 return;
939 }
940 shminfo.shmaddr = (char *) shmat(shminfo.shmid, 0, 0);
941 if (shminfo.shmaddr == ((char *) -1)) {
942 shmctl(shminfo.shmid, IPC_RMID, 0);
943 AWT_UNLOCK();
944 J2dRlsTraceLn1(J2D_TRACE_ERROR,
945 "TryInitMITShm: shmat has failed: %s",
946 strerror(errno));
947 return;
948 }
949 shminfo.readOnly = True;
950
951 jboolean xShmAttachResult = TryXShmAttach(env, awt_display, &shminfo);
952 /**
953 * Get rid of the id now to reduce chances of leaking
954 * system resources.
955 */
956 shmctl(shminfo.shmid, IPC_RMID, 0);
957
958 if (xShmAttachResult == JNI_TRUE) {
959 canUseShmExt = CAN_USE_MITSHM;
960 /* check if we can use shared pixmaps */
961 XShmQueryVersion(awt_display, &XShmMajor, &XShmMinor,
962 (Bool*)&canUseShmExtPixmaps);
963 canUseShmExtPixmaps = canUseShmExtPixmaps &&
964 (XShmPixmapFormat(awt_display) == ZPixmap);
965 XShmDetach(awt_display, &shminfo);
966 }
967 shmdt(shminfo.shmaddr);
968 *shmExt = canUseShmExt;
969 *shmPixmaps = canUseShmExtPixmaps;
970 }
971 AWT_UNLOCK();
972 }
973
974 /*
975 * Must be called with the acquired AWT lock.
976 */
977 jboolean TryXShmAttach(JNIEnv *env, Display *display, XShmSegmentInfo *shminfo) {
978 /*
979 * XShmAttachHandler will set its internal flag to JNI_TRUE, if any Shm error occurs.
980 */
981 jboolean errorOccurredFlag = JNI_FALSE;
982 EXEC_WITH_XERROR_HANDLER(env, "sun/awt/X11/XErrorHandler$XShmAttachHandler",
983 "()Lsun/awt/X11/XErrorHandler$XShmAttachHandler;", JNI_TRUE, errorOccurredFlag,
984 XShmAttach(display, shminfo));
985 return errorOccurredFlag == JNI_FALSE ? JNI_TRUE : JNI_FALSE;
986 }
987 #endif /* MITSHM */
988
989 /*
990 * Class: sun_awt_X11GraphicsEnvironment
991 * Method: checkShmExt
992 * Signature: ()I
993 */
994 JNIEXPORT jint JNICALL
995 Java_sun_awt_X11GraphicsEnvironment_checkShmExt(JNIEnv *env, jobject this)
996 {
997
998 int shmExt = NOEXT_MITSHM, shmPixmaps;
999 #ifdef MITSHM
1000 TryInitMITShm(env, &shmExt, &shmPixmaps);
1001 #endif
1002 return shmExt;
1003 }
1004
1005 /*
1006 * Class: sun_awt_X11GraphicsEnvironment
1007 * Method: getDisplayString
1008 * Signature: ()Ljava/lang/String
1009 */
1010 JNIEXPORT jstring JNICALL
1011 Java_sun_awt_X11GraphicsEnvironment_getDisplayString
1012 (JNIEnv *env, jobject this)
1013 {
1014 #ifdef HEADLESS
1015 return (jstring)NULL;
1016 #else
1017 return (*env)->NewStringUTF(env, DisplayString(awt_display));
1018 #endif /* HEADLESS */
1019 }
1020
1021
1022 /*
1023 * Class: sun_awt_X11GraphicsDevice
1024 * Method: getNumConfigs
1025 * Signature: ()I
1026 */
1027 JNIEXPORT jint JNICALL
1028 Java_sun_awt_X11GraphicsDevice_getNumConfigs(
1029 JNIEnv *env, jobject this, jint screen)
1030 {
1031 #ifdef HEADLESS
1032 return (jint)0;
1033 #else
1034 ensureConfigsInited(env, screen);
1035 return x11Screens[screen].numConfigs;
1036 #endif /* !HEADLESS */
1037 }
1038
1039 /*
1040 * Class: sun_awt_X11GraphicsDevice
1041 * Method: getConfigVisualId
1042 * Signature: (I)I
1043 */
1044 JNIEXPORT jint JNICALL
1045 Java_sun_awt_X11GraphicsDevice_getConfigVisualId(
1046 JNIEnv *env, jobject this, jint index, jint screen)
1047 {
1048 #ifdef HEADLESS
1049 return (jint)0;
1050 #else
1051 int visNum;
1052
1053 ensureConfigsInited(env, screen);
1054 if (index == 0) {
1055 return ((jint)x11Screens[screen].defaultConfig->awt_visInfo.visualid);
1056 } else {
1057 return ((jint)x11Screens[screen].configs[index]->awt_visInfo.visualid);
1058 }
1059 #endif /* !HEADLESS */
1060 }
1061
1062 /*
1063 * Class: sun_awt_X11GraphicsDevice
1064 * Method: getConfigDepth
1065 * Signature: (I)I
1066 */
1067 JNIEXPORT jint JNICALL
1068 Java_sun_awt_X11GraphicsDevice_getConfigDepth(
1069 JNIEnv *env, jobject this, jint index, jint screen)
1070 {
1071 #ifdef HEADLESS
1072 return (jint)0;
1073 #else
1074 int visNum;
1075
1076 ensureConfigsInited(env, screen);
1077 if (index == 0) {
1078 return ((jint)x11Screens[screen].defaultConfig->awt_visInfo.depth);
1079 } else {
1080 return ((jint)x11Screens[screen].configs[index]->awt_visInfo.depth);
1081 }
1082 #endif /* !HEADLESS */
1083 }
1084
1085 /*
1086 * Class: sun_awt_X11GraphicsDevice
1087 * Method: getConfigColormap
1088 * Signature: (I)I
1089 */
1090 JNIEXPORT jint JNICALL
1091 Java_sun_awt_X11GraphicsDevice_getConfigColormap(
1092 JNIEnv *env, jobject this, jint index, jint screen)
1093 {
1094 #ifdef HEADLESS
1095 return (jint)0;
1096 #else
1097 int visNum;
1098
1099 ensureConfigsInited(env, screen);
1100 if (index == 0) {
1101 return ((jint)x11Screens[screen].defaultConfig->awt_cmap);
1102 } else {
1103 return ((jint)x11Screens[screen].configs[index]->awt_cmap);
1104 }
1105 #endif /* !HEADLESS */
1106 }
1107
1108 /*
1109 * Class: sun_awt_X11GraphicsDevice
1110 * Method: resetNativeData
1111 * Signature: (I)V
1112 */
1113 JNIEXPORT void JNICALL
1114 Java_sun_awt_X11GraphicsDevice_resetNativeData
1115 (JNIEnv *env, jclass x11gd, jint screen)
1116 {
1117 #ifndef HEADLESS
1118 /*
1119 * Reset references to the various configs; the actual native config data
1120 * will be free'd later by the Disposer mechanism when the Java-level
1121 * X11GraphicsConfig objects go away. By setting these values to NULL,
1122 * we ensure that they will be reinitialized as necessary (for example,
1123 * see the getNumConfigs() method).
1124 */
1125 if (x11Screens[screen].configs) {
1126 free(x11Screens[screen].configs);
1127 x11Screens[screen].configs = NULL;
1128 }
1129 x11Screens[screen].defaultConfig = NULL;
1130 x11Screens[screen].numConfigs = 0;
1131 #endif /* !HEADLESS */
1132 }
1133
1134 /*
1135 * Class: sun_awt_X11GraphicsConfig
1136 * Method: dispose
1137 * Signature: (J)V
1138 */
1139 JNIEXPORT void JNICALL
1140 Java_sun_awt_X11GraphicsConfig_dispose
1141 (JNIEnv *env, jclass x11gc, jlong configData)
1142 {
1143 #ifndef HEADLESS
1144 AwtGraphicsConfigDataPtr aData = (AwtGraphicsConfigDataPtr)
1145 jlong_to_ptr(configData);
1146
1147 if (aData == NULL) {
1148 return;
1149 }
1150
1151 AWT_LOCK();
1152 if (aData->awt_cmap) {
1153 XFreeColormap(awt_display, aData->awt_cmap);
1154 }
1155 if (aData->awtImage) {
1156 free(aData->awtImage);
1157 }
1158 if (aData->monoImage) {
1159 XFree(aData->monoImage);
1160 }
1161 if (aData->monoPixmap) {
1162 XFreePixmap(awt_display, aData->monoPixmap);
1163 }
1164 if (aData->monoPixmapGC) {
1165 XFreeGC(awt_display, aData->monoPixmapGC);
1166 }
1167 if (aData->color_data) {
1168 free(aData->color_data);
1169 }
1170 AWT_UNLOCK();
1171
1172 if (aData->glxInfo) {
1173 /*
1174 * The native GLXGraphicsConfig data needs to be disposed separately
1175 * on the OGL queue flushing thread (should not be called while
1176 * the AWT lock is held).
1177 */
1178 JNU_CallStaticMethodByName(env, NULL,
1179 "sun/java2d/opengl/OGLRenderQueue",
1180 "disposeGraphicsConfig", "(J)V",
1181 ptr_to_jlong(aData->glxInfo));
1182 }
1183
1184 free(aData);
1185 #endif /* !HEADLESS */
1186 }
1187
1188 /*
1189 * Class: sun_awt_X11GraphicsConfig
1190 * Method: getXResolution
1191 * Signature: ()I
1192 */
1193 JNIEXPORT jdouble JNICALL
1194 Java_sun_awt_X11GraphicsConfig_getXResolution(
1195 JNIEnv *env, jobject this, jint screen)
1196 {
1197 #ifdef HEADLESS
1198 return (jdouble)0;
1199 #else
1200 return ((DisplayWidth(awt_display, screen) * 25.4) /
1201 DisplayWidthMM(awt_display, screen));
1202 #endif /* !HEADLESS */
1203 }
1204
1205 /*
1206 * Class: sun_awt_X11GraphicsConfig
1207 * Method: getYResolution
1208 * Signature: ()I
1209 */
1210 JNIEXPORT jdouble JNICALL
1211 Java_sun_awt_X11GraphicsConfig_getYResolution(
1212 JNIEnv *env, jobject this, jint screen)
1213 {
1214 #ifdef HEADLESS
1215 return (jdouble)0;
1216 #else
1217 return ((DisplayHeight(awt_display, screen) * 25.4) /
1218 DisplayHeightMM(awt_display, screen));
1219 #endif /* !HEADLESS */
1220 }
1221
1222
1223 /*
1224 * Class: sun_awt_X11GraphicsConfig
1225 * Method: getNumColors
1226 * Signature: ()I
1227 */
1228 JNIEXPORT jint JNICALL
1229 Java_sun_awt_X11GraphicsConfig_getNumColors(
1230 JNIEnv *env, jobject this)
1231 {
1232 #ifdef HEADLESS
1233 return (jint)0;
1234 #else
1235 AwtGraphicsConfigData *adata;
1236
1237 adata = (AwtGraphicsConfigData *) JNU_GetLongFieldAsPtr(env, this,
1238 x11GraphicsConfigIDs.aData);
1239
1240 return adata->awt_num_colors;
1241 #endif /* !HEADLESS */
1242 }
1243
1244 /*
1245 * Class: sun_awt_X11GraphicsConfig
1246 * Method: init
1247 * Signature: (I)V
1248 */
1249 JNIEXPORT void JNICALL
1250 Java_sun_awt_X11GraphicsConfig_init(
1251 JNIEnv *env, jobject this, jint visualNum, jint screen)
1252 {
1253 #ifndef HEADLESS
1254 AwtGraphicsConfigData *adata = NULL;
1255 AwtScreenData asd = x11Screens[screen];
1256 int i, n;
1257 int depth;
1258 XImage * tempImage;
1259
1260 /* If haven't gotten all of the configs yet, do it now. */
1261 if (asd.numConfigs == 0) {
1262 getAllConfigs (env, screen, &asd);
1263 }
1264
1265 /* Check the graphicsConfig for this visual */
1266 for (i = 0; i < asd.numConfigs; i++) {
1267 AwtGraphicsConfigDataPtr agcPtr = asd.configs[i];
1268 if ((jint)agcPtr->awt_visInfo.visualid == visualNum) {
1269 adata = agcPtr;
1270 break;
1271 }
1272 }
1273
1274 /* If didn't find the visual, throw an exception... */
1275 if (adata == (AwtGraphicsConfigData *) NULL) {
1276 JNU_ThrowIllegalArgumentException(env, "Unknown Visual Specified");
1277 return;
1278 }
1279
1280 /* adata->awt_cmap initialization has been deferred to
1281 * makeColorModel call
1282 */
1283
1284 JNU_SetLongFieldFromPtr(env, this, x11GraphicsConfigIDs.aData, adata);
1285
1286 depth = adata->awt_visInfo.depth;
1287 tempImage = XCreateImage(awt_display,
1288 adata->awt_visInfo.visual,
1289 depth, ZPixmap, 0, NULL, 1, 1, 32, 0);
1290 adata->pixelStride = (tempImage->bits_per_pixel + 7) / 8;
1291 (*env)->SetIntField(env, this, x11GraphicsConfigIDs.bitsPerPixel,
1292 (jint)tempImage->bits_per_pixel);
1293 XDestroyImage(tempImage);
1294 #endif /* !HEADLESS */
1295 }
1296
1297
1298
1299 /*
1300 * Class: sun_awt_X11GraphicsConfig
1301 * Method: makeColorModel
1302 * Signature: ()Ljava/awt/image/ColorModel
1303 */
1304 JNIEXPORT jobject JNICALL
1305 Java_sun_awt_X11GraphicsConfig_makeColorModel(
1306 JNIEnv *env, jobject this)
1307 {
1308 #ifdef HEADLESS
1309 return NULL;
1310 #else
1311 AwtGraphicsConfigData *adata;
1312 jobject colorModel;
1313
1314 /*
1315 * If awt is not locked yet, return null since the toolkit is not
1316 * initialized yet.
1317 */
1318 if (!awtLockInited) {
1319 return NULL;
1320 }
1321
1322 AWT_LOCK ();
1323
1324 adata = (AwtGraphicsConfigData *) JNU_GetLongFieldAsPtr(env, this,
1325 x11GraphicsConfigIDs.aData);
1326
1327 /* If colormap entry of adata is NULL, need to create it now */
1328 if (adata->awt_cmap == (Colormap) NULL) {
1329 awtJNI_CreateColorData (env, adata, 1);
1330 }
1331
1332 /* Make Color Model object for this GraphicsConfiguration */
1333 colorModel = awtJNI_GetColorModel (env, adata);
1334
1335 AWT_UNLOCK ();
1336
1337 return colorModel;
1338 #endif /* !HEADLESS */
1339 }
1340
1341
1342 /*
1343 * Class: sun_awt_X11GraphicsConfig
1344 * Method: getBounds
1345 * Signature: ()Ljava/awt/Rectangle
1346 */
1347 JNIEXPORT jobject JNICALL
1348 Java_sun_awt_X11GraphicsConfig_pGetBounds(JNIEnv *env, jobject this, jint screen)
1349 {
1350 #ifdef HEADLESS
1351 return NULL;
1352 #else
1353 jclass clazz;
1354 jmethodID mid;
1355 jobject bounds = NULL;
1356 AwtGraphicsConfigDataPtr adata;
1357
1358 adata = (AwtGraphicsConfigDataPtr)
1359 JNU_GetLongFieldAsPtr(env, this, x11GraphicsConfigIDs.aData);
1360
1361 clazz = (*env)->FindClass(env, "java/awt/Rectangle");
1362 mid = (*env)->GetMethodID(env, clazz, "<init>", "(IIII)V");
1363 if (mid != NULL) {
1364 if (usingXinerama) {
1365 bounds = (*env)->NewObject(env, clazz, mid, fbrects[screen].x,
1366 fbrects[screen].y,
1367 fbrects[screen].width,
1368 fbrects[screen].height);
1369 }
1370 else {
1371 XWindowAttributes xwa;
1372 memset(&xwa, 0, sizeof(xwa));
1373
1374 AWT_LOCK ();
1375 XGetWindowAttributes(awt_display,
1376 RootWindow(awt_display, adata->awt_visInfo.screen),
1377 &xwa);
1378 AWT_UNLOCK ();
1379
1380 bounds = (*env)->NewObject(env, clazz, mid, 0, 0,
1381 xwa.width, xwa.height);
1382 }
1383
1384 if ((*env)->ExceptionOccurred(env)) {
1385 return NULL;
1386 }
1387 }
1388 return bounds;
1389 #endif /* !HEADLESS */
1390 }
1391
1392 /*
1393 * Class: sun_awt_X11GraphicsConfig
1394 * Method: createBackBuffer
1395 * Signature: (JI)J
1396 */
1397 JNIEXPORT jlong JNICALL
1398 Java_sun_awt_X11GraphicsConfig_createBackBuffer
1399 (JNIEnv *env, jobject this, jlong window, jint swapAction)
1400 {
1401 int32_t v1, v2;
1402 XdbeBackBuffer ret = (unsigned long) 0;
1403 Window w = (Window)window;
1404 AWT_LOCK();
1405 if (!XdbeQueryExtension(awt_display, &v1, &v2)) {
1406 JNU_ThrowByName(env, "java/lang/Exception",
1407 "Could not query double-buffer extension");
1408 AWT_UNLOCK();
1409 return (jlong)0;
1410 }
1411 ret = XdbeAllocateBackBufferName(awt_display, w,
1412 (XdbeSwapAction)swapAction);
1413 AWT_FLUSH_UNLOCK();
1414 return (jlong)ret;
1415 }
1416
1417 /*
1418 * Class: sun_awt_X11GraphicsConfig
1419 * Method: destroyBackBuffer
1420 * Signature: (J)V
1421 */
1422 JNIEXPORT void JNICALL
1423 Java_sun_awt_X11GraphicsConfig_destroyBackBuffer
1424 (JNIEnv *env, jobject this, jlong backBuffer)
1425 {
1426 AWT_LOCK();
1427 XdbeDeallocateBackBufferName(awt_display, (XdbeBackBuffer)backBuffer);
1428 AWT_FLUSH_UNLOCK();
1429 }
1430
1431 /*
1432 * Class: sun_awt_X11GraphicsConfig
1433 * Method: swapBuffers
1434 * Signature: (JI)V
1435 */
1436 JNIEXPORT void JNICALL
1437 Java_sun_awt_X11GraphicsConfig_swapBuffers
1438 (JNIEnv *env, jobject this,
1439 jlong window, jint swapAction)
1440 {
1441 XdbeSwapInfo swapInfo;
1442
1443 AWT_LOCK();
1444
1445 XdbeBeginIdiom(awt_display);
1446 swapInfo.swap_window = (Window)window;
1447 swapInfo.swap_action = (XdbeSwapAction)swapAction;
1448 if (!XdbeSwapBuffers(awt_display, &swapInfo, 1)) {
1449 JNU_ThrowInternalError(env, "Could not swap buffers");
1450 }
1451 XdbeEndIdiom(awt_display);
1452
1453 AWT_FLUSH_UNLOCK();
1454 }
1455
1456 /*
1457 * Class: sun_awt_X11GraphicsConfig
1458 * Method: isTranslucencyCapable
1459 * Signature: (J)V
1460 */
1461 JNIEXPORT jboolean JNICALL
1462 Java_sun_awt_X11GraphicsConfig_isTranslucencyCapable
1463 (JNIEnv *env, jobject this, jlong configData)
1464 {
1465 #ifdef HEADLESS
1466 return JNI_FALSE;
1467 #else
1468 AwtGraphicsConfigDataPtr aData = (AwtGraphicsConfigDataPtr)jlong_to_ptr(configData);
1469 if (aData == NULL) {
1470 return JNI_FALSE;
1471 }
1472 return (jboolean)aData->isTranslucencySupported;
1473 #endif
1474 }
1475
1476 /*
1477 * Class: sun_awt_X11GraphicsDevice
1478 * Method: isDBESupported
1479 * Signature: ()Z
1480 */
1481 JNIEXPORT jboolean JNICALL
1482 Java_sun_awt_X11GraphicsDevice_isDBESupported(JNIEnv *env, jobject this)
1483 {
1484 #ifdef HEADLESS
1485 return JNI_FALSE;
1486 #else
1487 int opcode = 0, firstEvent = 0, firstError = 0;
1488 jboolean ret;
1489
1490 AWT_LOCK();
1491 ret = (jboolean)XQueryExtension(awt_display, "DOUBLE-BUFFER",
1492 &opcode, &firstEvent, &firstError);
1493 AWT_FLUSH_UNLOCK();
1494 return ret;
1495 #endif /* !HEADLESS */
1496 }
1497
1498 /*
1499 * Class: sun_awt_X11GraphicsDevice
1500 * Method: getDoubleBufferVisuals
1501 * Signature: (I)V
1502 */
1503 JNIEXPORT void JNICALL
1504 Java_sun_awt_X11GraphicsDevice_getDoubleBufferVisuals(JNIEnv *env,
1505 jobject this, jint screen)
1506 {
1507 #ifndef HEADLESS
1508 jclass clazz;
1509 jmethodID midAddVisual;
1510 Window rootWindow;
1511 int i, n = 1;
1512 XdbeScreenVisualInfo* visScreenInfo;
1513 int xinawareScreen;
1514
1515 if (usingXinerama) {
1516 xinawareScreen = 0;
1517 }
1518 else {
1519 xinawareScreen = screen;
1520 }
1521
1522 clazz = (*env)->GetObjectClass(env, this);
1523 midAddVisual = (*env)->GetMethodID(env, clazz, "addDoubleBufferVisual",
1524 "(I)V");
1525
1526 AWT_LOCK();
1527 rootWindow = RootWindow(awt_display, xinawareScreen);
1528 visScreenInfo = XdbeGetVisualInfo(awt_display, &rootWindow, &n);
1529 if (visScreenInfo == NULL) {
1530 JNU_ThrowInternalError(env, "Could not get visual info");
1531 AWT_UNLOCK();
1532 return;
1533 }
1534 AWT_FLUSH_UNLOCK();
1535 for (i = 0; i < visScreenInfo->count; i++) {
1536 XdbeVisualInfo* visInfo = visScreenInfo->visinfo;
1537 (*env)->CallVoidMethod(env, this, midAddVisual, (visInfo[i]).visual);
1538 }
1539 #endif /* !HEADLESS */
1540 }
1541
1542 /*
1543 * Class: sun_awt_X11GraphicsEnvironment
1544 * Method: pRunningXinerama
1545 * Signature: ()Z
1546 */
1547 JNIEXPORT jboolean JNICALL
1548 Java_sun_awt_X11GraphicsEnvironment_pRunningXinerama(JNIEnv *env,
1549 jobject this)
1550 {
1551 #ifdef HEADLESS
1552 return false;
1553 #else
1554 return usingXinerama;
1555 #endif /* HEADLESS */
1556 }
1557
1558 /*
1559 * Can return NULL.
1560 *
1561 * Class: sun_awt_X11GraphicsEnvironment
1562 * Method: getXineramaCenterPoint
1563 * Signature: ()Ljava/awt/Point
1564 */
1565 JNIEXPORT jobject JNICALL
1566 Java_sun_awt_X11GraphicsEnvironment_getXineramaCenterPoint(JNIEnv *env,
1567 jobject this)
1568 {
1569 jobject point = NULL;
1570 #ifndef HEADLESS /* return NULL in HEADLESS, Linux */
1571 #if !defined(__linux__) && !defined(MACOSX)
1572 int x,y;
1573
1574 AWT_LOCK();
1575 DASSERT(usingXinerama);
1576 if (XineramaSolarisCenterFunc != NULL) {
1577 (XineramaSolarisCenterFunc)(awt_display, 0, &x, &y);
1578 point = JNU_NewObjectByName(env, "java/awt/Point","(II)V", x, y);
1579 DASSERT(point);
1580 } else {
1581 DTRACE_PRINTLN("unable to call XineramaSolarisCenterFunc: symbol is null");
1582 }
1583 AWT_FLUSH_UNLOCK();
1584 #endif /* __linux __ || MACOSX */
1585 #endif /* HEADLESS */
1586 return point;
1587 }
1588
1589
1590 /**
1591 * Begin DisplayMode/FullScreen support
1592 */
1593
1594 #ifndef HEADLESS
1595
1596 #define BIT_DEPTH_MULTI java_awt_DisplayMode_BIT_DEPTH_MULTI
1597 #define REFRESH_RATE_UNKNOWN java_awt_DisplayMode_REFRESH_RATE_UNKNOWN
1598
1599 typedef Status
1600 (*XRRQueryVersionType) (Display *dpy, int *major_versionp, int *minor_versionp);
1601 typedef XRRScreenConfiguration*
1602 (*XRRGetScreenInfoType)(Display *dpy, Drawable root);
1603 typedef void
1604 (*XRRFreeScreenConfigInfoType)(XRRScreenConfiguration *config);
1605 typedef short*
1606 (*XRRConfigRatesType)(XRRScreenConfiguration *config,
1607 int sizeID, int *nrates);
1608 typedef short
1609 (*XRRConfigCurrentRateType)(XRRScreenConfiguration *config);
1610 typedef XRRScreenSize*
1611 (*XRRConfigSizesType)(XRRScreenConfiguration *config,
1612 int *nsizes);
1613 typedef SizeID
1614 (*XRRConfigCurrentConfigurationType)(XRRScreenConfiguration *config,
1615 Rotation *rotation);
1616 typedef Status
1617 (*XRRSetScreenConfigAndRateType)(Display *dpy,
1618 XRRScreenConfiguration *config,
1619 Drawable draw,
1620 int size_index,
1621 Rotation rotation,
1622 short rate,
1623 Time timestamp);
1624 typedef Rotation
1625 (*XRRConfigRotationsType)(XRRScreenConfiguration *config,
1626 Rotation *current_rotation);
1627
1628 static XRRQueryVersionType awt_XRRQueryVersion;
1629 static XRRGetScreenInfoType awt_XRRGetScreenInfo;
1630 static XRRFreeScreenConfigInfoType awt_XRRFreeScreenConfigInfo;
1631 static XRRConfigRatesType awt_XRRConfigRates;
1632 static XRRConfigCurrentRateType awt_XRRConfigCurrentRate;
1633 static XRRConfigSizesType awt_XRRConfigSizes;
1634 static XRRConfigCurrentConfigurationType awt_XRRConfigCurrentConfiguration;
1635 static XRRSetScreenConfigAndRateType awt_XRRSetScreenConfigAndRate;
1636 static XRRConfigRotationsType awt_XRRConfigRotations;
1637
1638 #define LOAD_XRANDR_FUNC(f) \
1639 do { \
1640 awt_##f = (f##Type)dlsym(pLibRandR, #f); \
1641 if (awt_##f == NULL) { \
1642 J2dRlsTraceLn1(J2D_TRACE_ERROR, \
1643 "X11GD_InitXrandrFuncs: Could not load %s", #f); \
1644 dlclose(pLibRandR); \
1645 return JNI_FALSE; \
1646 } \
1647 } while (0)
1648
1649 static jboolean
1650 X11GD_InitXrandrFuncs(JNIEnv *env)
1651 {
1652 int rr_maj_ver = 0, rr_min_ver = 0;
1653
1654 void *pLibRandR = dlopen(VERSIONED_JNI_LIB_NAME("Xrandr", "2"),
1655 RTLD_LAZY | RTLD_LOCAL);
1656 if (pLibRandR == NULL) {
1657 pLibRandR = dlopen(JNI_LIB_NAME("Xrandr"), RTLD_LAZY | RTLD_LOCAL);
1658 }
1659 if (pLibRandR == NULL) {
1660 J2dRlsTraceLn(J2D_TRACE_ERROR,
1661 "X11GD_InitXrandrFuncs: Could not open libXrandr.so.2");
1662 return JNI_FALSE;
1663 }
1664
1665 LOAD_XRANDR_FUNC(XRRQueryVersion);
1666
1667 if (!(*awt_XRRQueryVersion)(awt_display, &rr_maj_ver, &rr_min_ver)) {
1668 J2dRlsTraceLn(J2D_TRACE_ERROR,
1669 "X11GD_InitXrandrFuncs: XRRQueryVersion returned an error status");
1670 dlclose(pLibRandR);
1671 return JNI_FALSE;
1672 }
1673
1674 if (usingXinerama) {
1675 /*
1676 * We can proceed as long as this is RANDR 1.2 or above.
1677 * As of Xorg server 1.3 onwards the Xinerama backend may actually be
1678 * a fake one provided by RANDR itself. See Java bug 6636469 for info.
1679 */
1680 if (!(rr_maj_ver > 1 || (rr_maj_ver == 1 && rr_min_ver >= 2))) {
1681 J2dRlsTraceLn2(J2D_TRACE_INFO, "X11GD_InitXrandrFuncs: Can't use Xrandr. "
1682 "Xinerama is active and Xrandr version is %d.%d",
1683 rr_maj_ver, rr_min_ver);
1684 dlclose(pLibRandR);
1685 return JNI_FALSE;
1686 }
1687
1688 /*
1689 * REMIND: Fullscreen mode doesn't work quite right with multi-monitor
1690 * setups and RANDR 1.2. So for now we also require a single screen.
1691 */
1692 if (awt_numScreens > 1 ) {
1693 J2dRlsTraceLn(J2D_TRACE_INFO, "X11GD_InitXrandrFuncs: Can't use Xrandr. "
1694 "Multiple screens in use");
1695 dlclose(pLibRandR);
1696 return JNI_FALSE;
1697 }
1698 }
1699
1700 LOAD_XRANDR_FUNC(XRRGetScreenInfo);
1701 LOAD_XRANDR_FUNC(XRRFreeScreenConfigInfo);
1702 LOAD_XRANDR_FUNC(XRRConfigRates);
1703 LOAD_XRANDR_FUNC(XRRConfigCurrentRate);
1704 LOAD_XRANDR_FUNC(XRRConfigSizes);
1705 LOAD_XRANDR_FUNC(XRRConfigCurrentConfiguration);
1706 LOAD_XRANDR_FUNC(XRRSetScreenConfigAndRate);
1707 LOAD_XRANDR_FUNC(XRRConfigRotations);
1708
1709 return JNI_TRUE;
1710 }
1711
1712 static jobject
1713 X11GD_CreateDisplayMode(JNIEnv *env, jint width, jint height,
1714 jint bitDepth, jint refreshRate)
1715 {
1716 jclass displayModeClass;
1717 jmethodID cid;
1718 jint validRefreshRate = refreshRate;
1719
1720 displayModeClass = (*env)->FindClass(env, "java/awt/DisplayMode");
1721 if (JNU_IsNull(env, displayModeClass)) {
1722 JNU_ThrowInternalError(env,
1723 "Could not get display mode class");
1724 return NULL;
1725 }
1726
1727 cid = (*env)->GetMethodID(env, displayModeClass, "<init>", "(IIII)V");
1728 if (cid == NULL) {
1729 JNU_ThrowInternalError(env,
1730 "Could not get display mode constructor");
1731 return NULL;
1732 }
1733
1734 // early versions of xrandr may report "empty" rates (6880694)
1735 if (validRefreshRate <= 0) {
1736 validRefreshRate = REFRESH_RATE_UNKNOWN;
1737 }
1738
1739 return (*env)->NewObject(env, displayModeClass, cid,
1740 width, height, bitDepth, validRefreshRate);
1741 }
1742
1743 static void
1744 X11GD_AddDisplayMode(JNIEnv *env, jobject arrayList,
1745 jint width, jint height,
1746 jint bitDepth, jint refreshRate)
1747 {
1748 jobject displayMode = X11GD_CreateDisplayMode(env, width, height,
1749 bitDepth, refreshRate);
1750 if (!JNU_IsNull(env, displayMode)) {
1751 jclass arrayListClass;
1752 jmethodID mid;
1753 arrayListClass = (*env)->GetObjectClass(env, arrayList);
1754 if (JNU_IsNull(env, arrayListClass)) {
1755 JNU_ThrowInternalError(env,
1756 "Could not get class java.util.ArrayList");
1757 return;
1758 }
1759 mid = (*env)->GetMethodID(env, arrayListClass, "add",
1760 "(Ljava/lang/Object;)Z");
1761 if (mid == NULL) {
1762 JNU_ThrowInternalError(env,
1763 "Could not get method java.util.ArrayList.add()");
1764 return;
1765 }
1766 (*env)->CallObjectMethod(env, arrayList, mid, displayMode);
1767 (*env)->DeleteLocalRef(env, displayMode);
1768 }
1769 }
1770
1771 static void
1772 X11GD_SetFullscreenMode(Window win, jboolean enabled)
1773 {
1774 Atom wmState = XInternAtom(awt_display, "_NET_WM_STATE", False);
1775 Atom wmStateFs = XInternAtom(awt_display,
1776 "_NET_WM_STATE_FULLSCREEN", False);
1777 Window root, parent, *children = NULL;
1778 unsigned int numchildren;
1779 XEvent event;
1780 Status status;
1781
1782 if (wmState == None || wmStateFs == None) {
1783 return;
1784 }
1785
1786 /*
1787 * Note: the Window passed to this method is typically the "content
1788 * window" of the top-level, but we need the actual shell window for
1789 * the purposes of constructing the XEvent. Therefore, we walk up the
1790 * window hierarchy here to find the true top-level.
1791 */
1792 do {
1793 if (!XQueryTree(awt_display, win,
1794 &root, &parent,
1795 &children, &numchildren))
1796 {
1797 return;
1798 }
1799
1800 if (children != NULL) {
1801 XFree(children);
1802 }
1803
1804 if (parent == root) {
1805 break;
1806 }
1807
1808 win = parent;
1809 } while (root != parent);
1810
1811 memset(&event, 0, sizeof(event));
1812 event.xclient.type = ClientMessage;
1813 event.xclient.message_type = wmState;
1814 event.xclient.display = awt_display;
1815 event.xclient.window = win;
1816 event.xclient.format = 32;
1817 event.xclient.data.l[0] = enabled ? 1 : 0; // 1==add, 0==remove
1818 event.xclient.data.l[1] = wmStateFs;
1819
1820 XSendEvent(awt_display, root, False,
1821 SubstructureRedirectMask | SubstructureNotifyMask,
1822 &event);
1823 XSync(awt_display, False);
1824 }
1825 #endif /* !HEADLESS */
1826
1827 /*
1828 * Class: sun_awt_X11GraphicsDevice
1829 * Method: initXrandrExtension
1830 * Signature: ()Z
1831 */
1832 JNIEXPORT jboolean JNICALL
1833 Java_sun_awt_X11GraphicsDevice_initXrandrExtension
1834 (JNIEnv *env, jclass x11gd)
1835 {
1836 #ifdef HEADLESS
1837 return JNI_FALSE;
1838 #else
1839 int opcode = 0, firstEvent = 0, firstError = 0;
1840 jboolean ret;
1841
1842 AWT_LOCK();
1843 ret = (jboolean)XQueryExtension(awt_display, "RANDR",
1844 &opcode, &firstEvent, &firstError);
1845 if (ret) {
1846 ret = X11GD_InitXrandrFuncs(env);
1847 }
1848 AWT_FLUSH_UNLOCK();
1849
1850 return ret;
1851 #endif /* HEADLESS */
1852 }
1853
1854 /*
1855 * Class: sun_awt_X11GraphicsDevice
1856 * Method: getCurrentDisplayMode
1857 * Signature: (I)Ljava/awt/DisplayMode;
1858 */
1859 JNIEXPORT jobject JNICALL
1860 Java_sun_awt_X11GraphicsDevice_getCurrentDisplayMode
1861 (JNIEnv* env, jclass x11gd, jint screen)
1862 {
1863 #ifdef HEADLESS
1864 return NULL;
1865 #else
1866 XRRScreenConfiguration *config;
1867 jobject displayMode = NULL;
1868
1869 AWT_LOCK();
1870
1871 config = awt_XRRGetScreenInfo(awt_display,
1872 RootWindow(awt_display, screen));
1873 if (config != NULL) {
1874 Rotation rotation;
1875 short curRate;
1876 SizeID curSizeIndex;
1877 XRRScreenSize *sizes;
1878 int nsizes;
1879
1880 curSizeIndex = awt_XRRConfigCurrentConfiguration(config, &rotation);
1881 sizes = awt_XRRConfigSizes(config, &nsizes);
1882 curRate = awt_XRRConfigCurrentRate(config);
1883
1884 if ((sizes != NULL) &&
1885 (curSizeIndex < nsizes))
1886 {
1887 XRRScreenSize curSize = sizes[curSizeIndex];
1888 displayMode = X11GD_CreateDisplayMode(env,
1889 curSize.width,
1890 curSize.height,
1891 BIT_DEPTH_MULTI,
1892 curRate);
1893 }
1894
1895 awt_XRRFreeScreenConfigInfo(config);
1896 }
1897
1898 AWT_FLUSH_UNLOCK();
1899
1900 return displayMode;
1901 #endif /* HEADLESS */
1902 }
1903
1904 /*
1905 * Class: sun_awt_X11GraphicsDevice
1906 * Method: enumDisplayModes
1907 * Signature: (ILjava/util/ArrayList;)V
1908 */
1909 JNIEXPORT void JNICALL
1910 Java_sun_awt_X11GraphicsDevice_enumDisplayModes
1911 (JNIEnv* env, jclass x11gd,
1912 jint screen, jobject arrayList)
1913 {
1914 #ifndef HEADLESS
1915 XRRScreenConfiguration *config;
1916
1917 AWT_LOCK();
1918
1919 config = awt_XRRGetScreenInfo(awt_display,
1920 RootWindow(awt_display, screen));
1921 if (config != NULL) {
1922 int nsizes, i, j;
1923 XRRScreenSize *sizes = awt_XRRConfigSizes(config, &nsizes);
1924
1925 if (sizes != NULL) {
1926 for (i = 0; i < nsizes; i++) {
1927 int nrates;
1928 XRRScreenSize size = sizes[i];
1929 short *rates = awt_XRRConfigRates(config, i, &nrates);
1930
1931 for (j = 0; j < nrates; j++) {
1932 X11GD_AddDisplayMode(env, arrayList,
1933 size.width,
1934 size.height,
1935 BIT_DEPTH_MULTI,
1936 rates[j]);
1937 }
1938 }
1939 }
1940
1941 awt_XRRFreeScreenConfigInfo(config);
1942 }
1943
1944 AWT_FLUSH_UNLOCK();
1945 #endif /* !HEADLESS */
1946 }
1947
1948 /*
1949 * Class: sun_awt_X11GraphicsDevice
1950 * Method: configDisplayMode
1951 * Signature: (IIII)V
1952 */
1953 JNIEXPORT void JNICALL
1954 Java_sun_awt_X11GraphicsDevice_configDisplayMode
1955 (JNIEnv* env, jclass x11gd,
1956 jint screen, jint width, jint height, jint refreshRate)
1957 {
1958 #ifndef HEADLESS
1959 jboolean success = JNI_FALSE;
1960 XRRScreenConfiguration *config;
1961 Drawable root;
1962 Rotation currentRotation = RR_Rotate_0;
1963
1964 AWT_LOCK();
1965
1966 root = RootWindow(awt_display, screen);
1967 config = awt_XRRGetScreenInfo(awt_display, root);
1968 if (config != NULL) {
1969 jboolean foundConfig = JNI_FALSE;
1970 int chosenSizeIndex = -1;
1971 short chosenRate = -1;
1972 int nsizes;
1973 XRRScreenSize *sizes = awt_XRRConfigSizes(config, &nsizes);
1974 awt_XRRConfigRotations(config, ¤tRotation);
1975
1976 if (sizes != NULL) {
1977 int i, j;
1978
1979 /* find the size index that matches the requested dimensions */
1980 for (i = 0; i < nsizes; i++) {
1981 XRRScreenSize size = sizes[i];
1982
1983 if ((size.width == width) && (size.height == height)) {
1984 /* we've found our size index... */
1985 int nrates;
1986 short *rates = awt_XRRConfigRates(config, i, &nrates);
1987
1988 /* now find rate that matches requested refresh rate */
1989 for (j = 0; j < nrates; j++) {
1990 if (rates[j] == refreshRate) {
1991 /* we've found our rate; break out of the loop */
1992 chosenSizeIndex = i;
1993 chosenRate = rates[j];
1994 foundConfig = JNI_TRUE;
1995 break;
1996 }
1997 }
1998
1999 break;
2000 }
2001 }
2002 }
2003
2004 if (foundConfig) {
2005 Status status =
2006 awt_XRRSetScreenConfigAndRate(awt_display, config, root,
2007 chosenSizeIndex,
2008 currentRotation,
2009 chosenRate,
2010 CurrentTime);
2011
2012 /* issue XSync to ensure immediate mode change */
2013 XSync(awt_display, False);
2014
2015 if (status == RRSetConfigSuccess) {
2016 success = JNI_TRUE;
2017 }
2018 }
2019
2020 awt_XRRFreeScreenConfigInfo(config);
2021 }
2022
2023 AWT_FLUSH_UNLOCK();
2024
2025 if (!success) {
2026 JNU_ThrowInternalError(env, "Could not set display mode");
2027 }
2028 #endif /* !HEADLESS */
2029 }
2030
2031 /*
2032 * Class: sun_awt_X11GraphicsDevice
2033 * Method: enterFullScreenExclusive
2034 * Signature: (J)V
2035 */
2036 JNIEXPORT void JNICALL
2037 Java_sun_awt_X11GraphicsDevice_enterFullScreenExclusive
2038 (JNIEnv* env, jclass x11gd,
2039 jlong window)
2040 {
2041 #ifndef HEADLESS
2042 Window win = (Window)window;
2043
2044 AWT_LOCK();
2045 XSync(awt_display, False); /* ensures window is visible first */
2046 X11GD_SetFullscreenMode(win, JNI_TRUE);
2047 AWT_UNLOCK();
2048 #endif /* !HEADLESS */
2049 }
2050
2051 /*
2052 * Class: sun_awt_X11GraphicsDevice
2053 * Method: exitFullScreenExclusive
2054 * Signature: (J)V
2055 */
2056 JNIEXPORT void JNICALL
2057 Java_sun_awt_X11GraphicsDevice_exitFullScreenExclusive
2058 (JNIEnv* env, jclass x11gd,
2059 jlong window)
2060 {
2061 #ifndef HEADLESS
2062 Window win = (Window)window;
2063
2064 AWT_LOCK();
2065 X11GD_SetFullscreenMode(win, JNI_FALSE);
2066 AWT_UNLOCK();
2067 #endif /* !HEADLESS */
2068 }
2069
2070 /**
2071 * End DisplayMode/FullScreen support
2072 */