1 /*
2 * Copyright (c) 1997, 2019, 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 "jni_util.h"
27 #include "awt_p.h"
28 #include "awt.h"
29 #include "color.h"
30 #include <java_awt_DisplayMode.h>
31 #include <sun_awt_X11GraphicsEnvironment.h>
32 #include <sun_awt_X11GraphicsDevice.h>
33 #include <sun_awt_X11GraphicsConfig.h>
34 #ifndef HEADLESS
35 #include <X11/extensions/Xdbe.h>
36 #include <X11/XKBlib.h>
37 #ifndef NO_XRANDR
38 #include <X11/extensions/Xrandr.h>
39 #endif
40 #include "GLXGraphicsConfig.h"
41 #endif /* !HEADLESS */
42
43 #include <jni.h>
44 #include <jni_util.h>
45 #include <jvm.h>
46 #include <jvm_md.h>
47 #include <jlong.h>
48 #include "systemScale.h"
49 #include <stdlib.h>
50
51 #include "awt_GraphicsEnv.h"
52 #include "awt_util.h"
53 #include "gdefs.h"
54 #include <dlfcn.h>
55 #include "Trace.h"
56
57 #ifndef HEADLESS
58
59 int awt_numScreens; /* Xinerama-aware number of screens */
60
61 AwtScreenDataPtr x11Screens;
62
63 /*
64 * Set in initDisplay() to indicate whether we should attempt to initialize
65 * GLX for the default configuration.
66 */
67 static jboolean glxRequested = JNI_FALSE;
68
69 #endif /* !HEADLESS */
70
71 #ifdef HEADLESS
72 #define Display void
73 #endif /* HEADLESS */
74
75 Display *awt_display;
76
77 jclass tkClass = NULL;
78 jmethodID awtLockMID = NULL;
79 jmethodID awtUnlockMID = NULL;
80 jmethodID awtWaitMID = NULL;
81 jmethodID awtNotifyMID = NULL;
82 jmethodID awtNotifyAllMID = NULL;
83 jboolean awtLockInited = JNI_FALSE;
84
85 /** Convenience macro for loading the lock-related method IDs. */
86 #define GET_STATIC_METHOD(klass, method_id, method_name, method_sig) \
87 do { \
88 method_id = (*env)->GetStaticMethodID(env, klass, \
89 method_name, method_sig); \
90 if (method_id == NULL) return NULL; \
91 } while (0)
92
93 struct X11GraphicsConfigIDs x11GraphicsConfigIDs;
94
95 #ifndef HEADLESS
96 int awtCreateX11Colormap(AwtGraphicsConfigDataPtr adata);
97 #endif /* HEADLESS */
98
99 static char *x11GraphicsConfigClassName = "sun/awt/X11GraphicsConfig";
100
101 /* AWT and Xinerama
102 *
103 * As of fix 4356756, AWT is Xinerama-aware. X11GraphicsDevices are created for
104 * each screen of a Xinerama setup, though X11 itself still only sees a single
105 * display.
106 * In many places where we talk to X11, a xinawareScreen variable is used to
107 * pass the correct Display value, depending on the circumstances (a single
108 * X display, multiple X displays, or a single X display with multiple
109 * Xinerama screens).
110 */
111
112 #define MAXFRAMEBUFFERS 16
113 typedef struct {
114 int screen_number;
115 short x_org;
116 short y_org;
117 short width;
118 short height;
119 } XineramaScreenInfo;
120
121 typedef XineramaScreenInfo* XineramaQueryScreensFunc(Display*, int*);
122 static XineramaQueryScreensFunc* XineramaQueryScreens = NULL;
123 Bool usingXinerama = False;
124
125 JNIEXPORT void JNICALL
126 Java_sun_awt_X11GraphicsConfig_initIDs (JNIEnv *env, jclass cls)
127 {
128 x11GraphicsConfigIDs.aData = NULL;
129 x11GraphicsConfigIDs.bitsPerPixel = NULL;
130
131 x11GraphicsConfigIDs.aData = (*env)->GetFieldID (env, cls, "aData", "J");
132 CHECK_NULL(x11GraphicsConfigIDs.aData);
133 x11GraphicsConfigIDs.bitsPerPixel = (*env)->GetFieldID (env, cls, "bitsPerPixel", "I");
134 CHECK_NULL(x11GraphicsConfigIDs.bitsPerPixel);
135 }
136
137 #ifndef HEADLESS
138
139 /*
140 * XIOErrorHandler
141 */
142 static int xioerror_handler(Display *disp)
143 {
144 if (awtLockInited) {
145 if (errno == EPIPE) {
146 jio_fprintf(stderr, "X connection to %s host broken (explicit kill or server shutdown)\n", XDisplayName(NULL));
147 }
148 /*SignalError(lockedee->lastpc, lockedee, "fp/ade/gui/GUIException", "I/O error"); */
149 }
150 return 0;
151 }
152
153 static AwtGraphicsConfigDataPtr
154 findWithTemplate(XVisualInfo *vinfo,
155 long mask)
156 {
157
158 XVisualInfo *visualList;
159 XColor color;
160 AwtGraphicsConfigDataPtr defaultConfig;
161 int visualsMatched, i;
162
163 visualList = XGetVisualInfo(awt_display,
164 mask, vinfo, &visualsMatched);
165 if (visualList) {
166 int id = -1;
167 VisualID defaultVisual = XVisualIDFromVisual(DefaultVisual(awt_display, vinfo->screen));
168 defaultConfig = ZALLOC(_AwtGraphicsConfigData);
169 if (defaultConfig == NULL) {
170 XFree(visualList);
171 return NULL;
172 }
173 for (i = 0; i < visualsMatched; i++) {
174 memcpy(&defaultConfig->awt_visInfo, &visualList[i], sizeof(XVisualInfo));
175 defaultConfig->awt_depth = visualList[i].depth;
176
177 /* we can't use awtJNI_CreateColorData here, because it'll pull,
178 SystemColor, which in turn will cause toolkit to be reinitialized */
179 if (awtCreateX11Colormap(defaultConfig)) {
180 if (visualList[i].visualid == defaultVisual) {
181 id = i;
182 break;
183 } else if (-1 == id) {
184 // Keep 1st match for fallback
185 id = i;
186 }
187 }
188 }
189 if (-1 != id) {
190 memcpy(&defaultConfig->awt_visInfo, &visualList[id], sizeof(XVisualInfo));
191 defaultConfig->awt_depth = visualList[id].depth;
192 /* Allocate white and black pixels for this visual */
193 color.flags = DoRed | DoGreen | DoBlue;
194 color.red = color.green = color.blue = 0x0000;
195 XAllocColor(awt_display, defaultConfig->awt_cmap, &color);
196 x11Screens[visualList[id].screen].blackpixel = color.pixel;
197 color.flags = DoRed | DoGreen | DoBlue;
198 color.red = color.green = color.blue = 0xffff;
199 XAllocColor(awt_display, defaultConfig->awt_cmap, &color);
200 x11Screens[visualList[id].screen].whitepixel = color.pixel;
201
202 XFree(visualList);
203 return defaultConfig;
204 }
205 XFree(visualList);
206 free((void *)defaultConfig);
207 }
208 return NULL;
209 }
210
211 /* default config is based on X11 screen. All Xinerama screens of that X11
212 screen will have the same default config */
213 /* Need more notes about which fields of the structure are based on the X
214 screen, and which are based on the Xinerama screen */
215 static AwtGraphicsConfigDataPtr
216 makeDefaultConfig(JNIEnv *env, int screen) {
217
218 AwtGraphicsConfigDataPtr defaultConfig;
219 int xinawareScreen = 0;
220 VisualID forcedVisualID = 0, defaultVisualID;
221 char *forcedVisualStr;
222 XVisualInfo vinfo;
223 long mask;
224
225 xinawareScreen = usingXinerama ? 0 : screen;
226 defaultVisualID =
227 XVisualIDFromVisual(DefaultVisual(awt_display, xinawareScreen));
228
229 memset(&vinfo, 0, sizeof(XVisualInfo));
230 vinfo.screen = xinawareScreen;
231
232 if ((forcedVisualStr = getenv("FORCEDEFVIS"))) {
233 mask = VisualIDMask | VisualScreenMask;
234 if (sscanf(forcedVisualStr, "%lx", &forcedVisualID) > 0 &&
235 forcedVisualID > 0)
236 {
237 vinfo.visualid = forcedVisualID;
238 } else {
239 vinfo.visualid = defaultVisualID;
240 }
241 } else {
242 VisualID bestGLXVisualID;
243 if (glxRequested &&
244 (bestGLXVisualID = GLXGC_FindBestVisual(env, xinawareScreen)) > 0)
245 {
246 /* we've found the best visual for use with GLX, so use it */
247 vinfo.visualid = bestGLXVisualID;
248 mask = VisualIDMask | VisualScreenMask;
249 } else {
250 /* otherwise, continue looking for the best X11 visual */
251 vinfo.depth = 24;
252 vinfo.class = TrueColor;
253 mask = VisualDepthMask | VisualScreenMask | VisualClassMask;
254 }
255 }
256
257 /* try the best, or forced visual */
258 defaultConfig = findWithTemplate(&vinfo, mask);
259 if (defaultConfig) {
260 return defaultConfig;
261 }
262
263 /* try the default visual */
264 vinfo.visualid = defaultVisualID;
265 mask = VisualIDMask | VisualScreenMask;
266 defaultConfig = findWithTemplate(&vinfo, mask);
267 if (defaultConfig) {
268 return defaultConfig;
269 }
270
271 /* try any TrueColor */
272 vinfo.class = TrueColor;
273 mask = VisualScreenMask | VisualClassMask;
274 defaultConfig = findWithTemplate(&vinfo, mask);
275 if (defaultConfig) {
276 return defaultConfig;
277 }
278
279 /* try 8-bit PseudoColor */
280 vinfo.depth = 8;
281 vinfo.class = PseudoColor;
282 mask = VisualDepthMask | VisualScreenMask | VisualClassMask;
283 defaultConfig = findWithTemplate(&vinfo, mask);
284 if (defaultConfig) {
285 return defaultConfig;
286 }
287
288 /* try any 8-bit */
289 vinfo.depth = 8;
290 mask = VisualDepthMask | VisualScreenMask;
291 defaultConfig = findWithTemplate(&vinfo, mask);
292 if (defaultConfig) {
293 return defaultConfig;
294 }
295
296 /* we tried everything, give up */
297 JNU_ThrowInternalError(env, "Can't find supported visual");
298 XCloseDisplay(awt_display);
299 awt_display = NULL;
300 return NULL;
301 }
302
303 static void
304 getAllConfigs (JNIEnv *env, int screen, AwtScreenDataPtr screenDataPtr) {
305
306 int i;
307 int n8p=0, n12p=0, n8s=0, n8gs=0, n8sg=0, n1sg=0, nTrue=0;
308 int nConfig;
309 XVisualInfo *pVI8p, *pVI12p, *pVI8s, *pVITrue, *pVI8gs,
310 *pVI8sg, *pVI1sg = NULL, viTmp;
311 AwtGraphicsConfigDataPtr *graphicsConfigs;
312 AwtGraphicsConfigDataPtr defaultConfig;
313 int ind;
314 char errmsg[128];
315 int xinawareScreen;
316 void* xrenderLibHandle = NULL;
317 XRenderFindVisualFormatFunc* xrenderFindVisualFormat = NULL;
318 int major_opcode, first_event, first_error;
319
320 if (usingXinerama) {
321 xinawareScreen = 0;
322 }
323 else {
324 xinawareScreen = screen;
325 }
326
327 AWT_LOCK ();
328
329 viTmp.screen = xinawareScreen;
330
331 viTmp.depth = 8;
332 viTmp.class = PseudoColor;
333 viTmp.colormap_size = 256;
334 pVI8p = XGetVisualInfo (awt_display,
335 VisualDepthMask | VisualClassMask |
336 VisualColormapSizeMask | VisualScreenMask,
337 &viTmp, &n8p);
338
339 viTmp.depth = 12;
340 viTmp.class = PseudoColor;
341 viTmp.colormap_size = 4096;
342 pVI12p = XGetVisualInfo (awt_display,
343 VisualDepthMask | VisualClassMask |
344 VisualColormapSizeMask | VisualScreenMask,
345 &viTmp, &n12p);
346
347 viTmp.class = TrueColor;
348 pVITrue = XGetVisualInfo (awt_display,
349 VisualClassMask |
350 VisualScreenMask,
351 &viTmp, &nTrue);
352
353 viTmp.depth = 8;
354 viTmp.class = StaticColor;
355 pVI8s = XGetVisualInfo (awt_display, VisualDepthMask | VisualClassMask |
356 VisualScreenMask, &viTmp, &n8s);
357
358 viTmp.depth = 8;
359 viTmp.class = GrayScale;
360 viTmp.colormap_size = 256;
361 pVI8gs = XGetVisualInfo (awt_display,
362 VisualDepthMask | VisualClassMask |
363 VisualColormapSizeMask | VisualScreenMask,
364 &viTmp, &n8gs);
365 viTmp.depth = 8;
366 viTmp.class = StaticGray;
367 viTmp.colormap_size = 256;
368 pVI8sg = XGetVisualInfo (awt_display,
369 VisualDepthMask | VisualClassMask |
370 VisualColormapSizeMask | VisualScreenMask,
371 &viTmp, &n8sg);
372
373 /* REMIND.. remove when we have support for the color classes below */
374 /* viTmp.depth = 1; */
375 /* viTmp.class = StaticGray; */
376 /* pVI1sg = XGetVisualInfo (awt_display, VisualDepthMask | VisualClassMask, */
377 /* viTmp, &n1sg); */
378
379 nConfig = n8p + n12p + n8s + n8gs + n8sg + n1sg + nTrue + 1;
380 graphicsConfigs = (AwtGraphicsConfigDataPtr *)
381 calloc(nConfig, sizeof(AwtGraphicsConfigDataPtr));
382 if (graphicsConfigs == NULL) {
383 JNU_ThrowOutOfMemoryError((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2),
384 NULL);
385 AWT_UNLOCK();
386 return;
387 }
388
389 if (screenDataPtr->defaultConfig == NULL) {
390 /*
391 * After a display change event, the default config field will have
392 * been reset, so we need to recreate the default config here.
393 */
394 screenDataPtr->defaultConfig = makeDefaultConfig(env, screen);
395 }
396
397 defaultConfig = screenDataPtr->defaultConfig;
398 graphicsConfigs[0] = defaultConfig;
399 nConfig = 1; /* reserve index 0 for default config */
400
401 // Only use the RENDER extension if it is available on the X server
402 if (XQueryExtension(awt_display, "RENDER",
403 &major_opcode, &first_event, &first_error))
404 {
405 DTRACE_PRINTLN("RENDER extension available");
406 xrenderLibHandle = dlopen("libXrender.so.1", RTLD_LAZY | RTLD_GLOBAL);
407
408 #ifdef MACOSX
409 #define XRENDER_LIB "/usr/X11/lib/libXrender.dylib"
410 #else
411 #define XRENDER_LIB "libXrender.so"
412 #endif
413
414 if (xrenderLibHandle == NULL) {
415 xrenderLibHandle = dlopen(XRENDER_LIB,
416 RTLD_LAZY | RTLD_GLOBAL);
417 }
418
419 #if defined(__solaris__)
420 if (xrenderLibHandle == NULL) {
421 xrenderLibHandle = dlopen("/usr/lib/libXrender.so.1",
422 RTLD_LAZY | RTLD_GLOBAL);
423 }
424 #elif defined(_AIX)
425 if (xrenderLibHandle == NULL) {
426 xrenderLibHandle = dlopen("libXrender.a(libXrender.so.0)",
427 RTLD_MEMBER | RTLD_LAZY | RTLD_GLOBAL);
428 }
429 #endif
430 if (xrenderLibHandle != NULL) {
431 DTRACE_PRINTLN("Loaded libXrender");
432 xrenderFindVisualFormat =
433 (XRenderFindVisualFormatFunc*)dlsym(xrenderLibHandle,
434 "XRenderFindVisualFormat");
435 if (xrenderFindVisualFormat == NULL) {
436 DTRACE_PRINTLN1("Can't find 'XRenderFindVisualFormat' in libXrender (%s)", dlerror());
437 }
438 } else {
439 DTRACE_PRINTLN1("Can't load libXrender (%s)", dlerror());
440 }
441 } else {
442 DTRACE_PRINTLN("RENDER extension NOT available");
443 }
444
445 for (i = 0; i < nTrue; i++) {
446 if (XVisualIDFromVisual(pVITrue[i].visual) ==
447 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual) ||
448 pVITrue[i].depth == 12) {
449 /* Skip the non-supported 12-bit TrueColor visual */
450 continue;
451 } else {
452 ind = nConfig++;
453 }
454 graphicsConfigs[ind] = ZALLOC (_AwtGraphicsConfigData);
455 if (graphicsConfigs[ind] == NULL) {
456 JNU_ThrowOutOfMemoryError(env, "allocation in getAllConfigs failed");
457 goto cleanup;
458 }
459 graphicsConfigs[ind]->awt_depth = pVITrue [i].depth;
460 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVITrue [i],
461 sizeof (XVisualInfo));
462 if (xrenderFindVisualFormat != NULL) {
463 XRenderPictFormat *format = xrenderFindVisualFormat (awt_display,
464 pVITrue [i].visual);
465 if (format &&
466 format->type == PictTypeDirect &&
467 format->direct.alphaMask)
468 {
469 DTRACE_PRINTLN1("GraphicsConfig[%d] supports Translucency", ind);
470 graphicsConfigs [ind]->isTranslucencySupported = 1;
471 memcpy(&graphicsConfigs [ind]->renderPictFormat, format,
472 sizeof(*format));
473 } else {
474 DTRACE_PRINTLN1(format ?
475 "GraphicsConfig[%d] has no Translucency support" :
476 "Error calling 'XRenderFindVisualFormat'", ind);
477 }
478 }
479 }
480
481 if (xrenderLibHandle != NULL) {
482 dlclose(xrenderLibHandle);
483 xrenderLibHandle = NULL;
484 }
485
486 for (i = 0; i < n8p; i++) {
487 if (XVisualIDFromVisual(pVI8p[i].visual) ==
488 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
489 continue;
490 } else {
491 ind = nConfig++;
492 }
493 graphicsConfigs[ind] = ZALLOC (_AwtGraphicsConfigData);
494 if (graphicsConfigs[ind] == NULL) {
495 JNU_ThrowOutOfMemoryError(env, "allocation in getAllConfigs failed");
496 goto cleanup;
497 }
498 graphicsConfigs[ind]->awt_depth = pVI8p [i].depth;
499 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI8p [i],
500 sizeof (XVisualInfo));
501 }
502
503 for (i = 0; i < n12p; i++) {
504 if (XVisualIDFromVisual(pVI12p[i].visual) ==
505 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
506 continue;
507 } else {
508 ind = nConfig++;
509 }
510 graphicsConfigs[ind] = ZALLOC (_AwtGraphicsConfigData);
511 if (graphicsConfigs[ind] == NULL) {
512 JNU_ThrowOutOfMemoryError(env, "allocation in getAllConfigs failed");
513 goto cleanup;
514 }
515 graphicsConfigs[ind]->awt_depth = pVI12p [i].depth;
516 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI12p [i],
517 sizeof (XVisualInfo));
518 }
519
520 for (i = 0; i < n8s; i++) {
521 if (XVisualIDFromVisual(pVI8s[i].visual) ==
522 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
523 continue;
524 } else {
525 ind = nConfig++;
526 }
527 graphicsConfigs[ind] = ZALLOC (_AwtGraphicsConfigData);
528 if (graphicsConfigs[ind] == NULL) {
529 JNU_ThrowOutOfMemoryError(env, "allocation in getAllConfigs failed");
530 goto cleanup;
531 }
532 graphicsConfigs[ind]->awt_depth = pVI8s [i].depth;
533 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI8s [i],
534 sizeof (XVisualInfo));
535 }
536
537 for (i = 0; i < n8gs; i++) {
538 if (XVisualIDFromVisual(pVI8gs[i].visual) ==
539 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
540 continue;
541 } else {
542 ind = nConfig++;
543 }
544 graphicsConfigs[ind] = ZALLOC (_AwtGraphicsConfigData);
545 if (graphicsConfigs[ind] == NULL) {
546 JNU_ThrowOutOfMemoryError(env, "allocation in getAllConfigs failed");
547 goto cleanup;
548 }
549 graphicsConfigs[ind]->awt_depth = pVI8gs [i].depth;
550 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI8gs [i],
551 sizeof (XVisualInfo));
552 }
553
554 for (i = 0; i < n8sg; i++) {
555 if (XVisualIDFromVisual(pVI8sg[i].visual) ==
556 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
557 continue;
558 } else {
559 ind = nConfig++;
560 }
561 graphicsConfigs[ind] = ZALLOC (_AwtGraphicsConfigData);
562 if (graphicsConfigs[ind] == NULL) {
563 JNU_ThrowOutOfMemoryError(env, "allocation in getAllConfigs failed");
564 goto cleanup;
565 }
566 graphicsConfigs[ind]->awt_depth = pVI8sg [i].depth;
567 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI8sg [i],
568 sizeof (XVisualInfo));
569 }
570
571 for (i = 0; i < n1sg; i++) {
572 if (XVisualIDFromVisual(pVI1sg[i].visual) ==
573 XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
574 continue;
575 } else {
576 ind = nConfig++;
577 }
578 graphicsConfigs[ind] = ZALLOC (_AwtGraphicsConfigData);
579 if (graphicsConfigs[ind] == NULL) {
580 JNU_ThrowOutOfMemoryError(env, "allocation in getAllConfigs failed");
581 goto cleanup;
582 }
583 graphicsConfigs[ind]->awt_depth = pVI1sg [i].depth;
584 memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI1sg [i],
585 sizeof (XVisualInfo));
586 }
587
588 screenDataPtr->numConfigs = nConfig;
589 screenDataPtr->configs = graphicsConfigs;
590
591 cleanup:
592 if (n8p != 0)
593 XFree (pVI8p);
594 if (n12p != 0)
595 XFree (pVI12p);
596 if (n8s != 0)
597 XFree (pVI8s);
598 if (n8gs != 0)
599 XFree (pVI8gs);
600 if (n8sg != 0)
601 XFree (pVI8sg);
602 if (n1sg != 0)
603 XFree (pVI1sg);
604
605 AWT_UNLOCK ();
606 }
607
608 #ifndef HEADLESS
609
610 /*
611 * Checks if Xinerama is running and perform Xinerama-related initialization.
612 */
613 static void xineramaInit(void) {
614 char* XinExtName = "XINERAMA";
615 int32_t major_opcode, first_event, first_error;
616 Bool gotXinExt = False;
617 void* libHandle = NULL;
618 int32_t locNumScr = 0;
619 XineramaScreenInfo *xinInfo;
620 char* XineramaQueryScreensName = "XineramaQueryScreens";
621
622 gotXinExt = XQueryExtension(awt_display, XinExtName, &major_opcode,
623 &first_event, &first_error);
624
625 if (!gotXinExt) {
626 DTRACE_PRINTLN("Xinerama extension is not available");
627 return;
628 }
629
630 DTRACE_PRINTLN("Xinerama extension is available");
631
632 /* load library */
633 libHandle = dlopen(VERSIONED_JNI_LIB_NAME("Xinerama", "1"),
634 RTLD_LAZY | RTLD_GLOBAL);
635 if (libHandle == NULL) {
636 #if defined(_AIX)
637 libHandle = dlopen("libXext.a(shr_64.o)", RTLD_MEMBER | RTLD_LAZY | RTLD_GLOBAL);
638 #else
639 libHandle = dlopen(JNI_LIB_NAME("Xinerama"), RTLD_LAZY | RTLD_GLOBAL);
640 #endif
641 }
642 if (libHandle != NULL) {
643 XineramaQueryScreens = (XineramaQueryScreensFunc*)
644 dlsym(libHandle, XineramaQueryScreensName);
645
646 if (XineramaQueryScreens == NULL) {
647 DTRACE_PRINTLN("couldn't load XineramaQueryScreens symbol");
648 dlclose(libHandle);
649 } else {
650 DTRACE_PRINTLN("calling XineramaQueryScreens func");
651 xinInfo = (*XineramaQueryScreens)(awt_display, &locNumScr);
652 if (xinInfo != NULL) {
653 if (locNumScr > XScreenCount(awt_display)) {
654 DTRACE_PRINTLN("Enabling Xinerama support");
655 usingXinerama = True;
656 /* set global number of screens */
657 DTRACE_PRINTLN1(" num screens = %i\n", locNumScr);
658 awt_numScreens = locNumScr;
659 } else {
660 DTRACE_PRINTLN("XineramaQueryScreens <= XScreenCount");
661 }
662 XFree(xinInfo);
663 } else {
664 DTRACE_PRINTLN("calling XineramaQueryScreens didn't work");
665 }
666 }
667 } else {
668 DTRACE_PRINTLN1("\ncouldn't open shared library: %s\n", dlerror());
669 }
670 }
671 #endif /* HEADLESS */
672
673 Display *
674 awt_init_Display(JNIEnv *env, jobject this)
675 {
676 jclass klass;
677 Display *dpy;
678 char errmsg[128];
679 int i;
680
681 if (awt_display) {
682 return awt_display;
683 }
684
685 /* Load AWT lock-related methods in SunToolkit */
686 klass = (*env)->FindClass(env, "sun/awt/SunToolkit");
687 if (klass == NULL) return NULL;
688 GET_STATIC_METHOD(klass, awtLockMID, "awtLock", "()V");
689 GET_STATIC_METHOD(klass, awtUnlockMID, "awtUnlock", "()V");
690 GET_STATIC_METHOD(klass, awtWaitMID, "awtLockWait", "(J)V");
691 GET_STATIC_METHOD(klass, awtNotifyMID, "awtLockNotify", "()V");
692 GET_STATIC_METHOD(klass, awtNotifyAllMID, "awtLockNotifyAll", "()V");
693 tkClass = (*env)->NewGlobalRef(env, klass);
694 awtLockInited = JNI_TRUE;
695
696 if (getenv("_AWT_IGNORE_XKB") != NULL &&
697 strlen(getenv("_AWT_IGNORE_XKB")) > 0) {
698 if (XkbIgnoreExtension(True)) {
699 printf("Ignoring XKB.\n");
700 }
701 }
702
703 dpy = awt_display = XOpenDisplay(NULL);
704 if (!dpy) {
705 jio_snprintf(errmsg,
706 sizeof(errmsg),
707 "Can't connect to X11 window server using '%s' as the value of the DISPLAY variable.",
708 (getenv("DISPLAY") == NULL) ? ":0.0" : getenv("DISPLAY"));
709 JNU_ThrowByName(env, "java/awt/AWTError", errmsg);
710 return NULL;
711 }
712
713 XSetIOErrorHandler(xioerror_handler);
714 JNU_CallStaticMethodByName(env, NULL, "sun/awt/X11/XErrorHandlerUtil", "init", "(J)V",
715 ptr_to_jlong(awt_display));
716 JNU_CHECK_EXCEPTION_RETURN(env, NULL);
717
718 /* set awt_numScreens, and whether or not we're using Xinerama */
719 xineramaInit();
720
721 if (!usingXinerama) {
722 awt_numScreens = XScreenCount(awt_display);
723 }
724
725 DTRACE_PRINTLN1("allocating %i screens\n", awt_numScreens);
726 /* Allocate screen data structure array */
727 x11Screens = calloc(awt_numScreens, sizeof(AwtScreenData));
728 if (x11Screens == NULL) {
729 JNU_ThrowOutOfMemoryError((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2),
730 NULL);
731 return NULL;
732 }
733
734 for (i = 0; i < awt_numScreens; i++) {
735 if (usingXinerama) {
736 /* All Xinerama screens use the same X11 root for now */
737 x11Screens[i].root = RootWindow(awt_display, 0);
738 }
739 else {
740 x11Screens[i].root = RootWindow(awt_display, i);
741 }
742 x11Screens[i].defaultConfig = makeDefaultConfig(env, i);
743 JNU_CHECK_EXCEPTION_RETURN(env, NULL);
744 }
745
746 return dpy;
747 }
748 #endif /* !HEADLESS */
749
750 /*
751 * Class: sun_awt_X11GraphicsEnvironment
752 * Method: getDefaultScreenNum
753 * Signature: ()I
754 */
755 JNIEXPORT jint JNICALL
756 Java_sun_awt_X11GraphicsEnvironment_getDefaultScreenNum(
757 JNIEnv *env, jobject this)
758 {
759 #ifdef HEADLESS
760 return (jint)0;
761 #else
762 return DefaultScreen(awt_display);
763 #endif /* !HEADLESS */
764 }
765
766 #ifndef HEADLESS
767 static void ensureConfigsInited(JNIEnv* env, int screen) {
768 if (x11Screens[screen].numConfigs == 0) {
769 if (env == NULL) {
770 env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
771 }
772 getAllConfigs (env, screen, &(x11Screens[screen]));
773 }
774 }
775 #endif
776
777 #ifdef HEADLESS
778 void* getDefaultConfig(int screen) {
779 return NULL;
780 }
781 #else
782 AwtGraphicsConfigDataPtr
783 getDefaultConfig(int screen) {
784 ensureConfigsInited(NULL, screen);
785 return x11Screens[screen].defaultConfig;
786 }
787
788 AwtScreenDataPtr
789 getScreenData(int screen) {
790 return &(x11Screens[screen]);
791 }
792 #endif /* !HEADLESS */
793
794 /*
795 * Class: sun_awt_X11GraphicsEnvironment
796 * Method: initDisplay
797 * Signature: (Z)V
798 */
799 JNIEXPORT void JNICALL
800 Java_sun_awt_X11GraphicsEnvironment_initDisplay(JNIEnv *env, jobject this,
801 jboolean glxReq)
802 {
803 #ifndef HEADLESS
804 glxRequested = glxReq;
805 (void) awt_init_Display(env, this);
806 #endif /* !HEADLESS */
807 }
808
809 /*
810 * Class: sun_awt_X11GraphicsEnvironment
811 * Method: initGLX
812 * Signature: ()Z
813 */
814 JNIEXPORT jboolean JNICALL
815 Java_sun_awt_X11GraphicsEnvironment_initGLX(JNIEnv *env, jclass x11ge)
816 {
817 #ifndef HEADLESS
818 jboolean glxAvailable;
819
820 AWT_LOCK();
821 glxAvailable = GLXGC_IsGLXAvailable();
822 AWT_UNLOCK();
823
824 return glxAvailable;
825 #else
826 return JNI_FALSE;
827 #endif /* !HEADLESS */
828 }
829
830 /*
831 * Class: sun_awt_X11GraphicsEnvironment
832 * Method: getNumScreens
833 * Signature: ()I
834 */
835 JNIEXPORT jint JNICALL
836 Java_sun_awt_X11GraphicsEnvironment_getNumScreens(JNIEnv *env, jobject this)
837 {
838 #ifdef HEADLESS
839 return (jint)0;
840 #else
841 return awt_numScreens;
842 #endif /* !HEADLESS */
843 }
844
845 /*
846 * Class: sun_awt_X11GraphicsDevice
847 * Method: getDisplay
848 * Signature: ()J
849 */
850 JNIEXPORT jlong JNICALL
851 Java_sun_awt_X11GraphicsDevice_getDisplay(JNIEnv *env, jobject this)
852 {
853 #ifdef HEADLESS
854 return NULL;
855 #else
856 return ptr_to_jlong(awt_display);
857 #endif /* !HEADLESS */
858 }
859
860 #ifdef MITSHM
861
862 static jint canUseShmExt = UNSET_MITSHM;
863 static jint canUseShmExtPixmaps = UNSET_MITSHM;
864 static jboolean xshmAttachFailed = JNI_FALSE;
865
866 int XShmAttachXErrHandler(Display *display, XErrorEvent *xerr) {
867 if (xerr->minor_code == X_ShmAttach) {
868 xshmAttachFailed = JNI_TRUE;
869 }
870 return 0;
871 }
872 jboolean isXShmAttachFailed() {
873 return xshmAttachFailed;
874 }
875 void resetXShmAttachFailed() {
876 xshmAttachFailed = JNI_FALSE;
877 }
878
879 extern int mitShmPermissionMask;
880
881 void TryInitMITShm(JNIEnv *env, jint *shmExt, jint *shmPixmaps) {
882 XShmSegmentInfo shminfo;
883 int XShmMajor, XShmMinor;
884 int a, b, c;
885
886 AWT_LOCK();
887 if (canUseShmExt != UNSET_MITSHM) {
888 *shmExt = canUseShmExt;
889 *shmPixmaps = canUseShmExtPixmaps;
890 AWT_UNLOCK();
891 return;
892 }
893
894 *shmExt = canUseShmExt = CANT_USE_MITSHM;
895 *shmPixmaps = canUseShmExtPixmaps = CANT_USE_MITSHM;
896
897 if (awt_display == (Display *)NULL) {
898 AWT_NOFLUSH_UNLOCK();
899 return;
900 }
901
902 /**
903 * XShmQueryExtension returns False in remote server case.
904 * Unfortunately it also returns True in ssh case, so
905 * we need to test that we can actually do XShmAttach.
906 */
907 if (XShmQueryExtension(awt_display)) {
908 shminfo.shmid = shmget(IPC_PRIVATE, 0x10000,
909 IPC_CREAT|mitShmPermissionMask);
910 if (shminfo.shmid < 0) {
911 AWT_UNLOCK();
912 J2dRlsTraceLn1(J2D_TRACE_ERROR,
913 "TryInitMITShm: shmget has failed: %s",
914 strerror(errno));
915 return;
916 }
917 shminfo.shmaddr = (char *) shmat(shminfo.shmid, 0, 0);
918 if (shminfo.shmaddr == ((char *) -1)) {
919 shmctl(shminfo.shmid, IPC_RMID, 0);
920 AWT_UNLOCK();
921 J2dRlsTraceLn1(J2D_TRACE_ERROR,
922 "TryInitMITShm: shmat has failed: %s",
923 strerror(errno));
924 return;
925 }
926 shminfo.readOnly = True;
927
928 resetXShmAttachFailed();
929 /**
930 * The J2DXErrHandler handler will set xshmAttachFailed
931 * to JNI_TRUE if any Shm error has occured.
932 */
933 EXEC_WITH_XERROR_HANDLER(XShmAttachXErrHandler,
934 XShmAttach(awt_display, &shminfo));
935
936 /**
937 * Get rid of the id now to reduce chances of leaking
938 * system resources.
939 */
940 shmctl(shminfo.shmid, IPC_RMID, 0);
941
942 if (isXShmAttachFailed() == JNI_FALSE) {
943 canUseShmExt = CAN_USE_MITSHM;
944 /* check if we can use shared pixmaps */
945 XShmQueryVersion(awt_display, &XShmMajor, &XShmMinor,
946 (Bool*)&canUseShmExtPixmaps);
947 canUseShmExtPixmaps = canUseShmExtPixmaps &&
948 (XShmPixmapFormat(awt_display) == ZPixmap);
949 XShmDetach(awt_display, &shminfo);
950 }
951 shmdt(shminfo.shmaddr);
952 *shmExt = canUseShmExt;
953 *shmPixmaps = canUseShmExtPixmaps;
954 }
955 AWT_UNLOCK();
956 }
957 #endif /* MITSHM */
958
959 /*
960 * Class: sun_awt_X11GraphicsEnvironment
961 * Method: checkShmExt
962 * Signature: ()I
963 */
964 JNIEXPORT jint JNICALL
965 Java_sun_awt_X11GraphicsEnvironment_checkShmExt(JNIEnv *env, jobject this)
966 {
967
968 int shmExt = NOEXT_MITSHM, shmPixmaps;
969 #ifdef MITSHM
970 TryInitMITShm(env, &shmExt, &shmPixmaps);
971 #endif
972 return shmExt;
973 }
974
975 /*
976 * Class: sun_awt_X11GraphicsEnvironment
977 * Method: getDisplayString
978 * Signature: ()Ljava/lang/String
979 */
980 JNIEXPORT jstring JNICALL
981 Java_sun_awt_X11GraphicsEnvironment_getDisplayString
982 (JNIEnv *env, jobject this)
983 {
984 #ifdef HEADLESS
985 return (jstring)NULL;
986 #else
987 return (*env)->NewStringUTF(env, DisplayString(awt_display));
988 #endif /* HEADLESS */
989 }
990
991
992 /*
993 * Class: sun_awt_X11GraphicsDevice
994 * Method: getNumConfigs
995 * Signature: ()I
996 */
997 JNIEXPORT jint JNICALL
998 Java_sun_awt_X11GraphicsDevice_getNumConfigs(
999 JNIEnv *env, jobject this, jint screen)
1000 {
1001 #ifdef HEADLESS
1002 return (jint)0;
1003 #else
1004 ensureConfigsInited(env, screen);
1005 return x11Screens[screen].numConfigs;
1006 #endif /* !HEADLESS */
1007 }
1008
1009 /*
1010 * Class: sun_awt_X11GraphicsDevice
1011 * Method: getConfigVisualId
1012 * Signature: (I)I
1013 */
1014 JNIEXPORT jint JNICALL
1015 Java_sun_awt_X11GraphicsDevice_getConfigVisualId(
1016 JNIEnv *env, jobject this, jint index, jint screen)
1017 {
1018 #ifdef HEADLESS
1019 return (jint)0;
1020 #else
1021 int visNum;
1022
1023 ensureConfigsInited(env, screen);
1024 if (index == 0) {
1025 return ((jint)x11Screens[screen].defaultConfig->awt_visInfo.visualid);
1026 } else {
1027 return ((jint)x11Screens[screen].configs[index]->awt_visInfo.visualid);
1028 }
1029 #endif /* !HEADLESS */
1030 }
1031
1032 /*
1033 * Class: sun_awt_X11GraphicsDevice
1034 * Method: getConfigDepth
1035 * Signature: (I)I
1036 */
1037 JNIEXPORT jint JNICALL
1038 Java_sun_awt_X11GraphicsDevice_getConfigDepth(
1039 JNIEnv *env, jobject this, jint index, jint screen)
1040 {
1041 #ifdef HEADLESS
1042 return (jint)0;
1043 #else
1044 int visNum;
1045
1046 ensureConfigsInited(env, screen);
1047 if (index == 0) {
1048 return ((jint)x11Screens[screen].defaultConfig->awt_visInfo.depth);
1049 } else {
1050 return ((jint)x11Screens[screen].configs[index]->awt_visInfo.depth);
1051 }
1052 #endif /* !HEADLESS */
1053 }
1054
1055 /*
1056 * Class: sun_awt_X11GraphicsDevice
1057 * Method: getConfigColormap
1058 * Signature: (I)I
1059 */
1060 JNIEXPORT jint JNICALL
1061 Java_sun_awt_X11GraphicsDevice_getConfigColormap(
1062 JNIEnv *env, jobject this, jint index, jint screen)
1063 {
1064 #ifdef HEADLESS
1065 return (jint)0;
1066 #else
1067 int visNum;
1068
1069 ensureConfigsInited(env, screen);
1070 if (index == 0) {
1071 return ((jint)x11Screens[screen].defaultConfig->awt_cmap);
1072 } else {
1073 return ((jint)x11Screens[screen].configs[index]->awt_cmap);
1074 }
1075 #endif /* !HEADLESS */
1076 }
1077
1078 /*
1079 * Class: sun_awt_X11GraphicsDevice
1080 * Method: resetNativeData
1081 * Signature: (I)V
1082 */
1083 JNIEXPORT void JNICALL
1084 Java_sun_awt_X11GraphicsDevice_resetNativeData
1085 (JNIEnv *env, jclass x11gd, jint screen)
1086 {
1087 #ifndef HEADLESS
1088 /*
1089 * Reset references to the various configs; the actual native config data
1090 * will be free'd later by the Disposer mechanism when the Java-level
1091 * X11GraphicsConfig objects go away. By setting these values to NULL,
1092 * we ensure that they will be reinitialized as necessary (for example,
1093 * see the getNumConfigs() method).
1094 */
1095 if (x11Screens[screen].configs) {
1096 free(x11Screens[screen].configs);
1097 x11Screens[screen].configs = NULL;
1098 }
1099 x11Screens[screen].defaultConfig = NULL;
1100 x11Screens[screen].numConfigs = 0;
1101 #endif /* !HEADLESS */
1102 }
1103
1104 /*
1105 * Class: sun_awt_X11GraphicsConfig
1106 * Method: dispose
1107 * Signature: (J)V
1108 */
1109 JNIEXPORT void JNICALL
1110 Java_sun_awt_X11GraphicsConfig_dispose
1111 (JNIEnv *env, jclass x11gc, jlong configData)
1112 {
1113 #ifndef HEADLESS
1114 AwtGraphicsConfigDataPtr aData = (AwtGraphicsConfigDataPtr)
1115 jlong_to_ptr(configData);
1116
1117 if (aData == NULL) {
1118 return;
1119 }
1120
1121 AWT_LOCK();
1122 if (aData->awt_cmap) {
1123 XFreeColormap(awt_display, aData->awt_cmap);
1124 }
1125 if (aData->awtImage) {
1126 free(aData->awtImage);
1127 }
1128 if (aData->monoImage) {
1129 XFree(aData->monoImage);
1130 }
1131 if (aData->monoPixmap) {
1132 XFreePixmap(awt_display, aData->monoPixmap);
1133 }
1134 if (aData->monoPixmapGC) {
1135 XFreeGC(awt_display, aData->monoPixmapGC);
1136 }
1137 if (aData->color_data) {
1138 free(aData->color_data);
1139 }
1140 AWT_UNLOCK();
1141
1142 if (aData->glxInfo) {
1143 /*
1144 * The native GLXGraphicsConfig data needs to be disposed separately
1145 * on the OGL queue flushing thread (should not be called while
1146 * the AWT lock is held).
1147 */
1148 JNU_CallStaticMethodByName(env, NULL,
1149 "sun/java2d/opengl/OGLRenderQueue",
1150 "disposeGraphicsConfig", "(J)V",
1151 ptr_to_jlong(aData->glxInfo));
1152 }
1153
1154 free(aData);
1155 #endif /* !HEADLESS */
1156 }
1157
1158 /*
1159 * Class: sun_awt_X11GraphicsConfig
1160 * Method: getXResolution
1161 * Signature: ()I
1162 */
1163 JNIEXPORT jdouble JNICALL
1164 Java_sun_awt_X11GraphicsConfig_getXResolution(
1165 JNIEnv *env, jobject this, jint screen)
1166 {
1167 #ifdef HEADLESS
1168 return (jdouble)0;
1169 #else
1170 return ((DisplayWidth(awt_display, screen) * 25.4) /
1171 DisplayWidthMM(awt_display, screen));
1172 #endif /* !HEADLESS */
1173 }
1174
1175 /*
1176 * Class: sun_awt_X11GraphicsConfig
1177 * Method: getYResolution
1178 * Signature: ()I
1179 */
1180 JNIEXPORT jdouble JNICALL
1181 Java_sun_awt_X11GraphicsConfig_getYResolution(
1182 JNIEnv *env, jobject this, jint screen)
1183 {
1184 #ifdef HEADLESS
1185 return (jdouble)0;
1186 #else
1187 return ((DisplayHeight(awt_display, screen) * 25.4) /
1188 DisplayHeightMM(awt_display, screen));
1189 #endif /* !HEADLESS */
1190 }
1191
1192
1193 /*
1194 * Class: sun_awt_X11GraphicsConfig
1195 * Method: getNumColors
1196 * Signature: ()I
1197 */
1198 JNIEXPORT jint JNICALL
1199 Java_sun_awt_X11GraphicsConfig_getNumColors(
1200 JNIEnv *env, jobject this)
1201 {
1202 #ifdef HEADLESS
1203 return (jint)0;
1204 #else
1205 AwtGraphicsConfigData *adata;
1206
1207 adata = (AwtGraphicsConfigData *) JNU_GetLongFieldAsPtr(env, this,
1208 x11GraphicsConfigIDs.aData);
1209
1210 return adata->awt_num_colors;
1211 #endif /* !HEADLESS */
1212 }
1213
1214 /*
1215 * Class: sun_awt_X11GraphicsConfig
1216 * Method: init
1217 * Signature: (I)V
1218 */
1219 JNIEXPORT void JNICALL
1220 Java_sun_awt_X11GraphicsConfig_init(
1221 JNIEnv *env, jobject this, jint visualNum, jint screen)
1222 {
1223 #ifndef HEADLESS
1224 AwtGraphicsConfigData *adata = NULL;
1225 AwtScreenData asd = x11Screens[screen];
1226 int i, n;
1227 int depth;
1228 XImage * tempImage;
1229
1230 /* If haven't gotten all of the configs yet, do it now. */
1231 if (asd.numConfigs == 0) {
1232 getAllConfigs (env, screen, &asd);
1233 }
1234
1235 /* Check the graphicsConfig for this visual */
1236 for (i = 0; i < asd.numConfigs; i++) {
1237 AwtGraphicsConfigDataPtr agcPtr = asd.configs[i];
1238 if ((jint)agcPtr->awt_visInfo.visualid == visualNum) {
1239 adata = agcPtr;
1240 break;
1241 }
1242 }
1243
1244 /* If didn't find the visual, throw an exception... */
1245 if (adata == (AwtGraphicsConfigData *) NULL) {
1246 JNU_ThrowIllegalArgumentException(env, "Unknown Visual Specified");
1247 return;
1248 }
1249
1250 /* adata->awt_cmap initialization has been deferred to
1251 * makeColorModel call
1252 */
1253
1254 JNU_SetLongFieldFromPtr(env, this, x11GraphicsConfigIDs.aData, adata);
1255
1256 depth = adata->awt_visInfo.depth;
1257 tempImage = XCreateImage(awt_display,
1258 adata->awt_visInfo.visual,
1259 depth, ZPixmap, 0, NULL, 1, 1, 32, 0);
1260 adata->pixelStride = (tempImage->bits_per_pixel + 7) / 8;
1261 (*env)->SetIntField(env, this, x11GraphicsConfigIDs.bitsPerPixel,
1262 (jint)tempImage->bits_per_pixel);
1263 XDestroyImage(tempImage);
1264 #endif /* !HEADLESS */
1265 }
1266
1267
1268
1269 /*
1270 * Class: sun_awt_X11GraphicsConfig
1271 * Method: makeColorModel
1272 * Signature: ()Ljava/awt/image/ColorModel
1273 */
1274 JNIEXPORT jobject JNICALL
1275 Java_sun_awt_X11GraphicsConfig_makeColorModel(
1276 JNIEnv *env, jobject this)
1277 {
1278 #ifdef HEADLESS
1279 return NULL;
1280 #else
1281 AwtGraphicsConfigData *adata;
1282 jobject colorModel;
1283
1284 /*
1285 * If awt is not locked yet, return null since the toolkit is not
1286 * initialized yet.
1287 */
1288 if (!awtLockInited) {
1289 return NULL;
1290 }
1291
1292 AWT_LOCK ();
1293
1294 adata = (AwtGraphicsConfigData *) JNU_GetLongFieldAsPtr(env, this,
1295 x11GraphicsConfigIDs.aData);
1296
1297 /* If colormap entry of adata is NULL, need to create it now */
1298 if (adata->awt_cmap == (Colormap) NULL) {
1299 awtJNI_CreateColorData (env, adata, 1);
1300 }
1301
1302 /* Make Color Model object for this GraphicsConfiguration */
1303 colorModel = (*env)->ExceptionCheck(env)
1304 ? NULL : awtJNI_GetColorModel (env, adata);
1305
1306 AWT_UNLOCK ();
1307
1308 return colorModel;
1309 #endif /* !HEADLESS */
1310 }
1311
1312
1313 /*
1314 * Class: sun_awt_X11GraphicsConfig
1315 * Method: getBounds
1316 * Signature: ()Ljava/awt/Rectangle
1317 */
1318 JNIEXPORT jobject JNICALL
1319 Java_sun_awt_X11GraphicsConfig_pGetBounds(JNIEnv *env, jobject this, jint screen)
1320 {
1321 #ifdef HEADLESS
1322 return NULL;
1323 #else
1324 jclass clazz;
1325 jmethodID mid;
1326 jobject bounds = NULL;
1327 AwtGraphicsConfigDataPtr adata;
1328 int32_t locNumScr = 0;
1329 XineramaScreenInfo *xinInfo;
1330
1331 adata = (AwtGraphicsConfigDataPtr)
1332 JNU_GetLongFieldAsPtr(env, this, x11GraphicsConfigIDs.aData);
1333
1334 clazz = (*env)->FindClass(env, "java/awt/Rectangle");
1335 CHECK_NULL_RETURN(clazz, NULL);
1336 mid = (*env)->GetMethodID(env, clazz, "<init>", "(IIII)V");
1337 if (mid != NULL) {
1338 if (usingXinerama) {
1339 if (0 <= screen && screen < awt_numScreens) {
1340 AWT_LOCK();
1341 xinInfo = (*XineramaQueryScreens)(awt_display, &locNumScr);
1342 AWT_UNLOCK();
1343 if (xinInfo != NULL && locNumScr > 0) {
1344 if (screen >= locNumScr) {
1345 screen = 0; // fallback to the main screen
1346 }
1347 DASSERT(xinInfo[screen].screen_number == screen);
1348 bounds = (*env)->NewObject(env, clazz, mid,
1349 xinInfo[screen].x_org,
1350 xinInfo[screen].y_org,
1351 xinInfo[screen].width,
1352 xinInfo[screen].height);
1353 XFree(xinInfo);
1354 }
1355 } else {
1356 jclass exceptionClass = (*env)->FindClass(env, "java/lang/IllegalArgumentException");
1357 if (exceptionClass != NULL) {
1358 (*env)->ThrowNew(env, exceptionClass, "Illegal screen index");
1359 }
1360 }
1361 }
1362 if (!bounds) {
1363 // Xinerama cannot provide correct bounds, will try X11
1364 XWindowAttributes xwa;
1365 memset(&xwa, 0, sizeof(xwa));
1366
1367 AWT_LOCK ();
1368 XGetWindowAttributes(awt_display,
1369 RootWindow(awt_display, adata->awt_visInfo.screen),
1370 &xwa);
1371 AWT_UNLOCK ();
1372
1373 bounds = (*env)->NewObject(env, clazz, mid, 0, 0,
1374 xwa.width, xwa.height);
1375 }
1376
1377 if ((*env)->ExceptionOccurred(env)) {
1378 return NULL;
1379 }
1380 }
1381 return bounds;
1382 #endif /* !HEADLESS */
1383 }
1384
1385 /*
1386 * Class: sun_awt_X11GraphicsConfig
1387 * Method: createBackBuffer
1388 * Signature: (JI)J
1389 */
1390 JNIEXPORT jlong JNICALL
1391 Java_sun_awt_X11GraphicsConfig_createBackBuffer
1392 (JNIEnv *env, jobject this, jlong window, jint swapAction)
1393 {
1394 int32_t v1, v2;
1395 XdbeBackBuffer ret = (unsigned long) 0;
1396 Window w = (Window)window;
1397 AWT_LOCK();
1398 if (!XdbeQueryExtension(awt_display, &v1, &v2)) {
1399 JNU_ThrowByName(env, "java/lang/Exception",
1400 "Could not query double-buffer extension");
1401 AWT_UNLOCK();
1402 return (jlong)0;
1403 }
1404 ret = XdbeAllocateBackBufferName(awt_display, w,
1405 (XdbeSwapAction)swapAction);
1406 AWT_FLUSH_UNLOCK();
1407 return (jlong)ret;
1408 }
1409
1410 /*
1411 * Class: sun_awt_X11GraphicsConfig
1412 * Method: destroyBackBuffer
1413 * Signature: (J)V
1414 */
1415 JNIEXPORT void JNICALL
1416 Java_sun_awt_X11GraphicsConfig_destroyBackBuffer
1417 (JNIEnv *env, jobject this, jlong backBuffer)
1418 {
1419 AWT_LOCK();
1420 XdbeDeallocateBackBufferName(awt_display, (XdbeBackBuffer)backBuffer);
1421 AWT_FLUSH_UNLOCK();
1422 }
1423
1424 /*
1425 * Class: sun_awt_X11GraphicsConfig
1426 * Method: swapBuffers
1427 * Signature: (JI)V
1428 */
1429 JNIEXPORT void JNICALL
1430 Java_sun_awt_X11GraphicsConfig_swapBuffers
1431 (JNIEnv *env, jobject this,
1432 jlong window, jint swapAction)
1433 {
1434 XdbeSwapInfo swapInfo;
1435
1436 AWT_LOCK();
1437
1438 XdbeBeginIdiom(awt_display);
1439 swapInfo.swap_window = (Window)window;
1440 swapInfo.swap_action = (XdbeSwapAction)swapAction;
1441 if (!XdbeSwapBuffers(awt_display, &swapInfo, 1)) {
1442 JNU_ThrowInternalError(env, "Could not swap buffers");
1443 }
1444 XdbeEndIdiom(awt_display);
1445
1446 AWT_FLUSH_UNLOCK();
1447 }
1448
1449 /*
1450 * Class: sun_awt_X11GraphicsConfig
1451 * Method: isTranslucencyCapable
1452 * Signature: (J)V
1453 */
1454 JNIEXPORT jboolean JNICALL
1455 Java_sun_awt_X11GraphicsConfig_isTranslucencyCapable
1456 (JNIEnv *env, jobject this, jlong configData)
1457 {
1458 #ifdef HEADLESS
1459 return JNI_FALSE;
1460 #else
1461 AwtGraphicsConfigDataPtr aData = (AwtGraphicsConfigDataPtr)jlong_to_ptr(configData);
1462 if (aData == NULL) {
1463 return JNI_FALSE;
1464 }
1465 return aData->isTranslucencySupported ? JNI_TRUE : JNI_FALSE;
1466 #endif
1467 }
1468
1469 /*
1470 * Class: sun_awt_X11GraphicsDevice
1471 * Method: isDBESupported
1472 * Signature: ()Z
1473 */
1474 JNIEXPORT jboolean JNICALL
1475 Java_sun_awt_X11GraphicsDevice_isDBESupported(JNIEnv *env, jobject this)
1476 {
1477 #ifdef HEADLESS
1478 return JNI_FALSE;
1479 #else
1480 int opcode = 0, firstEvent = 0, firstError = 0;
1481 jboolean ret;
1482
1483 AWT_LOCK();
1484 ret = (jboolean)XQueryExtension(awt_display, "DOUBLE-BUFFER",
1485 &opcode, &firstEvent, &firstError);
1486 AWT_FLUSH_UNLOCK();
1487 return ret;
1488 #endif /* !HEADLESS */
1489 }
1490
1491 /*
1492 * Class: sun_awt_X11GraphicsDevice
1493 * Method: getDoubleBufferVisuals
1494 * Signature: (I)V
1495 */
1496 JNIEXPORT void JNICALL
1497 Java_sun_awt_X11GraphicsDevice_getDoubleBufferVisuals(JNIEnv *env,
1498 jobject this, jint screen)
1499 {
1500 #ifndef HEADLESS
1501 jclass clazz;
1502 jmethodID midAddVisual;
1503 Window rootWindow;
1504 int i, n = 1;
1505 XdbeScreenVisualInfo* visScreenInfo;
1506 int xinawareScreen;
1507
1508 if (usingXinerama) {
1509 xinawareScreen = 0;
1510 }
1511 else {
1512 xinawareScreen = screen;
1513 }
1514
1515 clazz = (*env)->GetObjectClass(env, this);
1516 midAddVisual = (*env)->GetMethodID(env, clazz, "addDoubleBufferVisual",
1517 "(I)V");
1518 CHECK_NULL(midAddVisual);
1519 AWT_LOCK();
1520 rootWindow = RootWindow(awt_display, xinawareScreen);
1521 visScreenInfo = XdbeGetVisualInfo(awt_display, &rootWindow, &n);
1522 if (visScreenInfo == NULL) {
1523 JNU_ThrowInternalError(env, "Could not get visual info");
1524 AWT_UNLOCK();
1525 return;
1526 }
1527 AWT_FLUSH_UNLOCK();
1528 for (i = 0; i < visScreenInfo->count; i++) {
1529 XdbeVisualInfo* visInfo = visScreenInfo->visinfo;
1530 (*env)->CallVoidMethod(env, this, midAddVisual, (visInfo[i]).visual);
1531 if ((*env)->ExceptionCheck(env)) {
1532 break;
1533 }
1534 }
1535 #endif /* !HEADLESS */
1536 }
1537
1538 /*
1539 * Class: sun_awt_X11GraphicsEnvironment
1540 * Method: pRunningXinerama
1541 * Signature: ()Z
1542 */
1543 JNIEXPORT jboolean JNICALL
1544 Java_sun_awt_X11GraphicsEnvironment_pRunningXinerama(JNIEnv *env,
1545 jobject this)
1546 {
1547 #ifdef HEADLESS
1548 return JNI_FALSE;
1549 #else
1550 return usingXinerama ? JNI_TRUE : JNI_FALSE;
1551 #endif /* HEADLESS */
1552 }
1553
1554 /**
1555 * Begin DisplayMode/FullScreen support
1556 */
1557
1558 #ifndef HEADLESS
1559
1560 #ifndef NO_XRANDR
1561
1562 #define BIT_DEPTH_MULTI java_awt_DisplayMode_BIT_DEPTH_MULTI
1563 #define REFRESH_RATE_UNKNOWN java_awt_DisplayMode_REFRESH_RATE_UNKNOWN
1564
1565 typedef Status
1566 (*XRRQueryVersionType) (Display *dpy, int *major_versionp, int *minor_versionp);
1567 typedef XRRScreenConfiguration*
1568 (*XRRGetScreenInfoType)(Display *dpy, Drawable root);
1569 typedef void
1570 (*XRRFreeScreenConfigInfoType)(XRRScreenConfiguration *config);
1571 typedef short*
1572 (*XRRConfigRatesType)(XRRScreenConfiguration *config,
1573 int sizeID, int *nrates);
1574 typedef short
1575 (*XRRConfigCurrentRateType)(XRRScreenConfiguration *config);
1576 typedef XRRScreenSize*
1577 (*XRRConfigSizesType)(XRRScreenConfiguration *config,
1578 int *nsizes);
1579 typedef SizeID
1580 (*XRRConfigCurrentConfigurationType)(XRRScreenConfiguration *config,
1581 Rotation *rotation);
1582 typedef Status
1583 (*XRRSetScreenConfigAndRateType)(Display *dpy,
1584 XRRScreenConfiguration *config,
1585 Drawable draw,
1586 int size_index,
1587 Rotation rotation,
1588 short rate,
1589 Time timestamp);
1590 typedef Rotation
1591 (*XRRConfigRotationsType)(XRRScreenConfiguration *config,
1592 Rotation *current_rotation);
1593
1594 typedef XRRScreenResources* (*XRRGetScreenResourcesType)(Display *dpy,
1595 Window window);
1596
1597 typedef void (*XRRFreeScreenResourcesType)(XRRScreenResources *resources);
1598
1599 typedef XRROutputInfo * (*XRRGetOutputInfoType)(Display *dpy,
1600 XRRScreenResources *resources, RROutput output);
1601
1602 typedef void (*XRRFreeOutputInfoType)(XRROutputInfo *outputInfo);
1603
1604 typedef XRRCrtcInfo* (*XRRGetCrtcInfoType)(Display *dpy,
1605 XRRScreenResources *resources, RRCrtc crtc);
1606
1607 typedef void (*XRRFreeCrtcInfoType)(XRRCrtcInfo *crtcInfo);
1608
1609 static XRRQueryVersionType awt_XRRQueryVersion;
1610 static XRRGetScreenInfoType awt_XRRGetScreenInfo;
1611 static XRRFreeScreenConfigInfoType awt_XRRFreeScreenConfigInfo;
1612 static XRRConfigRatesType awt_XRRConfigRates;
1613 static XRRConfigCurrentRateType awt_XRRConfigCurrentRate;
1614 static XRRConfigSizesType awt_XRRConfigSizes;
1615 static XRRConfigCurrentConfigurationType awt_XRRConfigCurrentConfiguration;
1616 static XRRSetScreenConfigAndRateType awt_XRRSetScreenConfigAndRate;
1617 static XRRConfigRotationsType awt_XRRConfigRotations;
1618 static XRRGetScreenResourcesType awt_XRRGetScreenResources;
1619 static XRRFreeScreenResourcesType awt_XRRFreeScreenResources;
1620 static XRRGetOutputInfoType awt_XRRGetOutputInfo;
1621 static XRRFreeOutputInfoType awt_XRRFreeOutputInfo;
1622 static XRRGetCrtcInfoType awt_XRRGetCrtcInfo;
1623 static XRRFreeCrtcInfoType awt_XRRFreeCrtcInfo;
1624
1625 #define LOAD_XRANDR_FUNC(f) \
1626 do { \
1627 awt_##f = (f##Type)dlsym(pLibRandR, #f); \
1628 if (awt_##f == NULL) { \
1629 J2dRlsTraceLn1(J2D_TRACE_ERROR, \
1630 "X11GD_InitXrandrFuncs: Could not load %s", #f); \
1631 dlclose(pLibRandR); \
1632 return JNI_FALSE; \
1633 } \
1634 } while (0)
1635
1636 static jboolean
1637 X11GD_InitXrandrFuncs(JNIEnv *env)
1638 {
1639 int rr_maj_ver = 0, rr_min_ver = 0;
1640
1641 void *pLibRandR = dlopen(VERSIONED_JNI_LIB_NAME("Xrandr", "2"),
1642 RTLD_LAZY | RTLD_LOCAL);
1643 if (pLibRandR == NULL) {
1644 pLibRandR = dlopen(JNI_LIB_NAME("Xrandr"), RTLD_LAZY | RTLD_LOCAL);
1645 }
1646 if (pLibRandR == NULL) {
1647 J2dRlsTraceLn(J2D_TRACE_ERROR,
1648 "X11GD_InitXrandrFuncs: Could not open libXrandr.so.2");
1649 return JNI_FALSE;
1650 }
1651
1652 LOAD_XRANDR_FUNC(XRRQueryVersion);
1653
1654 if (!(*awt_XRRQueryVersion)(awt_display, &rr_maj_ver, &rr_min_ver)) {
1655 J2dRlsTraceLn(J2D_TRACE_ERROR,
1656 "X11GD_InitXrandrFuncs: XRRQueryVersion returned an error status");
1657 dlclose(pLibRandR);
1658 return JNI_FALSE;
1659 }
1660
1661 if (usingXinerama) {
1662 /*
1663 * We can proceed as long as this is RANDR 1.2 or above.
1664 * As of Xorg server 1.3 onwards the Xinerama backend may actually be
1665 * a fake one provided by RANDR itself. See Java bug 6636469 for info.
1666 */
1667 if (!(rr_maj_ver > 1 || (rr_maj_ver == 1 && rr_min_ver >= 2))) {
1668 J2dRlsTraceLn2(J2D_TRACE_INFO, "X11GD_InitXrandrFuncs: Can't use Xrandr. "
1669 "Xinerama is active and Xrandr version is %d.%d",
1670 rr_maj_ver, rr_min_ver);
1671 dlclose(pLibRandR);
1672 return JNI_FALSE;
1673 }
1674
1675 /*
1676 * REMIND: Fullscreen mode doesn't work quite right with multi-monitor
1677 * setups and RANDR 1.2.
1678 */
1679 if ((rr_maj_ver == 1 && rr_min_ver <= 2) && awt_numScreens > 1) {
1680 J2dRlsTraceLn(J2D_TRACE_INFO, "X11GD_InitXrandrFuncs: Can't use Xrandr. "
1681 "Multiple screens in use");
1682 dlclose(pLibRandR);
1683 return JNI_FALSE;
1684 }
1685 }
1686
1687 LOAD_XRANDR_FUNC(XRRGetScreenInfo);
1688 LOAD_XRANDR_FUNC(XRRFreeScreenConfigInfo);
1689 LOAD_XRANDR_FUNC(XRRConfigRates);
1690 LOAD_XRANDR_FUNC(XRRConfigCurrentRate);
1691 LOAD_XRANDR_FUNC(XRRConfigSizes);
1692 LOAD_XRANDR_FUNC(XRRConfigCurrentConfiguration);
1693 LOAD_XRANDR_FUNC(XRRSetScreenConfigAndRate);
1694 LOAD_XRANDR_FUNC(XRRConfigRotations);
1695 LOAD_XRANDR_FUNC(XRRGetScreenResources);
1696 LOAD_XRANDR_FUNC(XRRFreeScreenResources);
1697 LOAD_XRANDR_FUNC(XRRGetOutputInfo);
1698 LOAD_XRANDR_FUNC(XRRFreeOutputInfo);
1699 LOAD_XRANDR_FUNC(XRRGetCrtcInfo);
1700 LOAD_XRANDR_FUNC(XRRFreeCrtcInfo);
1701
1702 return JNI_TRUE;
1703 }
1704
1705 static jobject
1706 X11GD_CreateDisplayMode(JNIEnv *env, jint width, jint height,
1707 jint bitDepth, jint refreshRate)
1708 {
1709 jclass displayModeClass;
1710 jmethodID cid;
1711 jint validRefreshRate = refreshRate;
1712
1713 displayModeClass = (*env)->FindClass(env, "java/awt/DisplayMode");
1714 CHECK_NULL_RETURN(displayModeClass, NULL);
1715 if (JNU_IsNull(env, displayModeClass)) {
1716 JNU_ThrowInternalError(env,
1717 "Could not get display mode class");
1718 return NULL;
1719 }
1720
1721 cid = (*env)->GetMethodID(env, displayModeClass, "<init>", "(IIII)V");
1722 CHECK_NULL_RETURN(cid, NULL);
1723 if (cid == NULL) {
1724 JNU_ThrowInternalError(env,
1725 "Could not get display mode constructor");
1726 return NULL;
1727 }
1728
1729 // early versions of xrandr may report "empty" rates (6880694)
1730 if (validRefreshRate <= 0) {
1731 validRefreshRate = REFRESH_RATE_UNKNOWN;
1732 }
1733
1734 return (*env)->NewObject(env, displayModeClass, cid,
1735 width, height, bitDepth, validRefreshRate);
1736 }
1737
1738 static void
1739 X11GD_AddDisplayMode(JNIEnv *env, jobject arrayList,
1740 jint width, jint height,
1741 jint bitDepth, jint refreshRate)
1742 {
1743 jobject displayMode = X11GD_CreateDisplayMode(env, width, height,
1744 bitDepth, refreshRate);
1745 if (!JNU_IsNull(env, displayMode)) {
1746 jclass arrayListClass;
1747 jmethodID mid;
1748 arrayListClass = (*env)->GetObjectClass(env, arrayList);
1749 if (JNU_IsNull(env, arrayListClass)) {
1750 JNU_ThrowInternalError(env,
1751 "Could not get class java.util.ArrayList");
1752 return;
1753 }
1754 mid = (*env)->GetMethodID(env, arrayListClass, "add",
1755 "(Ljava/lang/Object;)Z");
1756 CHECK_NULL(mid);
1757 if (mid == NULL) {
1758 JNU_ThrowInternalError(env,
1759 "Could not get method java.util.ArrayList.add()");
1760 return;
1761 }
1762 (*env)->CallObjectMethod(env, arrayList, mid, displayMode);
1763 (*env)->DeleteLocalRef(env, displayMode);
1764 }
1765 }
1766
1767 #endif /* !NO_XRANDR */
1768
1769 static void
1770 X11GD_SetFullscreenMode(Window win, jboolean enabled)
1771 {
1772 Atom wmState = XInternAtom(awt_display, "_NET_WM_STATE", False);
1773 Atom wmStateFs = XInternAtom(awt_display,
1774 "_NET_WM_STATE_FULLSCREEN", False);
1775 XWindowAttributes attr;
1776 XEvent event;
1777
1778 if (wmState == None || wmStateFs == None
1779 || !XGetWindowAttributes(awt_display, win, &attr)) {
1780 return;
1781 }
1782
1783 memset(&event, 0, sizeof(event));
1784 event.xclient.type = ClientMessage;
1785 event.xclient.message_type = wmState;
1786 event.xclient.display = awt_display;
1787 event.xclient.window = win;
1788 event.xclient.format = 32;
1789 event.xclient.data.l[0] = enabled ? 1 : 0; // 1==add, 0==remove
1790 event.xclient.data.l[1] = wmStateFs;
1791
1792 XSendEvent(awt_display, attr.root, False,
1793 SubstructureRedirectMask | SubstructureNotifyMask,
1794 &event);
1795 XSync(awt_display, False);
1796 }
1797 #endif /* !HEADLESS */
1798
1799 /*
1800 * Class: sun_awt_X11GraphicsDevice
1801 * Method: initXrandrExtension
1802 * Signature: ()Z
1803 */
1804 JNIEXPORT jboolean JNICALL
1805 Java_sun_awt_X11GraphicsDevice_initXrandrExtension
1806 (JNIEnv *env, jclass x11gd)
1807 {
1808 #if defined(HEADLESS) || defined(NO_XRANDR)
1809 return JNI_FALSE;
1810 #else
1811 int opcode = 0, firstEvent = 0, firstError = 0;
1812 jboolean ret;
1813
1814 AWT_LOCK();
1815 ret = (jboolean)XQueryExtension(awt_display, "RANDR",
1816 &opcode, &firstEvent, &firstError);
1817 if (ret) {
1818 ret = X11GD_InitXrandrFuncs(env);
1819 }
1820 AWT_FLUSH_UNLOCK();
1821
1822 return ret;
1823 #endif /* HEADLESS */
1824 }
1825
1826 /*
1827 * Class: sun_awt_X11GraphicsDevice
1828 * Method: getCurrentDisplayMode
1829 * Signature: (I)Ljava/awt/DisplayMode;
1830 */
1831 JNIEXPORT jobject JNICALL
1832 Java_sun_awt_X11GraphicsDevice_getCurrentDisplayMode
1833 (JNIEnv* env, jclass x11gd, jint screen)
1834 {
1835 #if defined(HEADLESS) || defined(NO_XRANDR)
1836 return NULL;
1837 #else
1838 XRRScreenConfiguration *config;
1839 jobject displayMode = NULL;
1840
1841 AWT_LOCK();
1842
1843 if (usingXinerama && XScreenCount(awt_display) > 0) {
1844 XRRScreenResources *res = awt_XRRGetScreenResources(awt_display,
1845 RootWindow(awt_display, 0));
1846 if (res) {
1847 if (res->noutput > screen) {
1848 XRROutputInfo *output_info = awt_XRRGetOutputInfo(awt_display,
1849 res, res->outputs[screen]);
1850 if (output_info) {
1851 if (output_info->crtc) {
1852 XRRCrtcInfo *crtc_info =
1853 awt_XRRGetCrtcInfo (awt_display, res,
1854 output_info->crtc);
1855 if (crtc_info) {
1856 if (crtc_info->mode) {
1857 int i;
1858 for (i = 0; i < res->nmode; i++) {
1859 XRRModeInfo *mode = &res->modes[i];
1860 if (mode->id == crtc_info->mode) {
1861 float rate = 0;
1862 if (mode->hTotal && mode->vTotal) {
1863 rate = ((float)mode->dotClock /
1864 ((float)mode->hTotal *
1865 (float)mode->vTotal));
1866 }
1867 displayMode = X11GD_CreateDisplayMode(
1868 env,
1869 mode->width,
1870 mode->height,
1871 BIT_DEPTH_MULTI,
1872 (int)(rate +.2));
1873 break;
1874 }
1875 }
1876 }
1877 awt_XRRFreeCrtcInfo(crtc_info);
1878 }
1879 }
1880 awt_XRRFreeOutputInfo(output_info);
1881 }
1882 }
1883 awt_XRRFreeScreenResources(res);
1884 }
1885 } else {
1886
1887 config = awt_XRRGetScreenInfo(awt_display,
1888 RootWindow(awt_display, screen));
1889 if (config != NULL) {
1890 Rotation rotation;
1891 short curRate;
1892 SizeID curSizeIndex;
1893 XRRScreenSize *sizes;
1894 int nsizes;
1895
1896 curSizeIndex = awt_XRRConfigCurrentConfiguration(config, &rotation);
1897 sizes = awt_XRRConfigSizes(config, &nsizes);
1898 curRate = awt_XRRConfigCurrentRate(config);
1899
1900 if ((sizes != NULL) &&
1901 (curSizeIndex < nsizes))
1902 {
1903 XRRScreenSize curSize = sizes[curSizeIndex];
1904 displayMode = X11GD_CreateDisplayMode(env,
1905 curSize.width,
1906 curSize.height,
1907 BIT_DEPTH_MULTI,
1908 curRate);
1909 }
1910
1911 awt_XRRFreeScreenConfigInfo(config);
1912 }
1913 }
1914
1915 AWT_FLUSH_UNLOCK();
1916
1917 return displayMode;
1918 #endif /* HEADLESS */
1919 }
1920
1921 /*
1922 * Class: sun_awt_X11GraphicsDevice
1923 * Method: enumDisplayModes
1924 * Signature: (ILjava/util/ArrayList;)V
1925 */
1926 JNIEXPORT void JNICALL
1927 Java_sun_awt_X11GraphicsDevice_enumDisplayModes
1928 (JNIEnv* env, jclass x11gd,
1929 jint screen, jobject arrayList)
1930 {
1931 #if !defined(HEADLESS) && !defined(NO_XRANDR)
1932
1933 AWT_LOCK();
1934
1935 if (usingXinerama && XScreenCount(awt_display) > 0) {
1936 XRRScreenResources *res = awt_XRRGetScreenResources(awt_display,
1937 RootWindow(awt_display, 0));
1938 if (res) {
1939 if (res->noutput > screen) {
1940 XRROutputInfo *output_info = awt_XRRGetOutputInfo(awt_display,
1941 res, res->outputs[screen]);
1942 if (output_info) {
1943 int i;
1944 for (i = 0; i < output_info->nmode; i++) {
1945 RRMode m = output_info->modes[i];
1946 int j;
1947 XRRModeInfo *mode;
1948 for (j = 0; j < res->nmode; j++) {
1949 mode = &res->modes[j];
1950 if (mode->id == m) {
1951 float rate = 0;
1952 if (mode->hTotal && mode->vTotal) {
1953 rate = ((float)mode->dotClock /
1954 ((float)mode->hTotal *
1955 (float)mode->vTotal));
1956 }
1957 X11GD_AddDisplayMode(env, arrayList,
1958 mode->width, mode->height,
1959 BIT_DEPTH_MULTI, (int)(rate +.2));
1960 if ((*env)->ExceptionCheck(env)) {
1961 goto ret0;
1962 }
1963 break;
1964 }
1965 }
1966 }
1967 ret0:
1968 awt_XRRFreeOutputInfo(output_info);
1969 }
1970 }
1971 awt_XRRFreeScreenResources(res);
1972 }
1973 } else {
1974 XRRScreenConfiguration *config;
1975
1976 config = awt_XRRGetScreenInfo(awt_display,
1977 RootWindow(awt_display, screen));
1978 if (config != NULL) {
1979 int nsizes, i, j;
1980 XRRScreenSize *sizes = awt_XRRConfigSizes(config, &nsizes);
1981
1982 if (sizes != NULL) {
1983 for (i = 0; i < nsizes; i++) {
1984 int nrates;
1985 XRRScreenSize size = sizes[i];
1986 short *rates = awt_XRRConfigRates(config, i, &nrates);
1987
1988 for (j = 0; j < nrates; j++) {
1989 X11GD_AddDisplayMode(env, arrayList,
1990 size.width,
1991 size.height,
1992 BIT_DEPTH_MULTI,
1993 rates[j]);
1994 if ((*env)->ExceptionCheck(env)) {
1995 goto ret1;
1996 }
1997 }
1998 }
1999 }
2000 ret1:
2001 awt_XRRFreeScreenConfigInfo(config);
2002 }
2003 }
2004
2005 AWT_FLUSH_UNLOCK();
2006 #endif /* !HEADLESS */
2007 }
2008
2009 /*
2010 * Class: sun_awt_X11GraphicsDevice
2011 * Method: configDisplayMode
2012 * Signature: (IIII)V
2013 */
2014 JNIEXPORT void JNICALL
2015 Java_sun_awt_X11GraphicsDevice_configDisplayMode
2016 (JNIEnv* env, jclass x11gd,
2017 jint screen, jint width, jint height, jint refreshRate)
2018 {
2019 #if !defined(HEADLESS) && !defined(NO_XRANDR)
2020 jboolean success = JNI_FALSE;
2021 XRRScreenConfiguration *config;
2022 Drawable root;
2023 Rotation currentRotation = RR_Rotate_0;
2024
2025 AWT_LOCK();
2026
2027 root = RootWindow(awt_display, screen);
2028 config = awt_XRRGetScreenInfo(awt_display, root);
2029 if (config != NULL) {
2030 jboolean foundConfig = JNI_FALSE;
2031 int chosenSizeIndex = -1;
2032 short chosenRate = -1;
2033 int nsizes;
2034 XRRScreenSize *sizes = awt_XRRConfigSizes(config, &nsizes);
2035 awt_XRRConfigRotations(config, ¤tRotation);
2036
2037 if (sizes != NULL) {
2038 int i, j;
2039
2040 /* find the size index that matches the requested dimensions */
2041 for (i = 0; i < nsizes; i++) {
2042 XRRScreenSize size = sizes[i];
2043
2044 if ((size.width == width) && (size.height == height)) {
2045 /* we've found our size index... */
2046 int nrates;
2047 short *rates = awt_XRRConfigRates(config, i, &nrates);
2048
2049 /* now find rate that matches requested refresh rate */
2050 for (j = 0; j < nrates; j++) {
2051 if (rates[j] == refreshRate) {
2052 /* we've found our rate; break out of the loop */
2053 chosenSizeIndex = i;
2054 chosenRate = rates[j];
2055 foundConfig = JNI_TRUE;
2056 break;
2057 }
2058 }
2059
2060 break;
2061 }
2062 }
2063 }
2064
2065 if (foundConfig) {
2066 Status status =
2067 awt_XRRSetScreenConfigAndRate(awt_display, config, root,
2068 chosenSizeIndex,
2069 currentRotation,
2070 chosenRate,
2071 CurrentTime);
2072
2073 /* issue XSync to ensure immediate mode change */
2074 XSync(awt_display, False);
2075
2076 if (status == RRSetConfigSuccess) {
2077 success = JNI_TRUE;
2078 }
2079 }
2080
2081 awt_XRRFreeScreenConfigInfo(config);
2082 }
2083
2084 AWT_FLUSH_UNLOCK();
2085
2086 if (!success && !(*env)->ExceptionCheck(env)) {
2087 JNU_ThrowInternalError(env, "Could not set display mode");
2088 }
2089 #endif /* !HEADLESS */
2090 }
2091
2092 /*
2093 * Class: sun_awt_X11GraphicsDevice
2094 * Method: enterFullScreenExclusive
2095 * Signature: (J)V
2096 */
2097 JNIEXPORT void JNICALL
2098 Java_sun_awt_X11GraphicsDevice_enterFullScreenExclusive
2099 (JNIEnv* env, jclass x11gd,
2100 jlong window)
2101 {
2102 #ifndef HEADLESS
2103 Window win = (Window)window;
2104
2105 AWT_LOCK();
2106 XSync(awt_display, False); /* ensures window is visible first */
2107 X11GD_SetFullscreenMode(win, JNI_TRUE);
2108 AWT_UNLOCK();
2109 #endif /* !HEADLESS */
2110 }
2111
2112 /*
2113 * Class: sun_awt_X11GraphicsDevice
2114 * Method: exitFullScreenExclusive
2115 * Signature: (J)V
2116 */
2117 JNIEXPORT void JNICALL
2118 Java_sun_awt_X11GraphicsDevice_exitFullScreenExclusive
2119 (JNIEnv* env, jclass x11gd,
2120 jlong window)
2121 {
2122 #ifndef HEADLESS
2123 Window win = (Window)window;
2124
2125 AWT_LOCK();
2126 X11GD_SetFullscreenMode(win, JNI_FALSE);
2127 AWT_UNLOCK();
2128 #endif /* !HEADLESS */
2129 }
2130
2131 /**
2132 * End DisplayMode/FullScreen support
2133 */
2134
2135 static char *get_output_screen_name(JNIEnv *env, int screen) {
2136 #ifdef NO_XRANDR
2137 return NULL;
2138 #else
2139 if (!awt_XRRGetScreenResources || !awt_XRRGetOutputInfo) {
2140 return NULL;
2141 }
2142 char *name = NULL;
2143 AWT_LOCK();
2144 int scr = 0, out = 0;
2145 if (usingXinerama && XScreenCount(awt_display) > 0) {
2146 out = screen;
2147 } else {
2148 scr = screen;
2149 }
2150
2151 XRRScreenResources *res = awt_XRRGetScreenResources(awt_display,
2152 RootWindow(awt_display, scr));
2153 if (res) {
2154 if (res->noutput > out) {
2155 XRROutputInfo *output_info = awt_XRRGetOutputInfo(awt_display,
2156 res, res->outputs[out]);
2157 if (output_info) {
2158 if (output_info->name) {
2159 name = strdup(output_info->name);
2160 }
2161 awt_XRRFreeOutputInfo(output_info);
2162 }
2163 }
2164 awt_XRRFreeScreenResources(res);
2165 }
2166 AWT_UNLOCK();
2167 return name;
2168 #endif /* NO_XRANDR */
2169 }
2170
2171 /*
2172 * Class: sun_awt_X11GraphicsDevice
2173 * Method: getNativeScaleFactor
2174 * Signature: (I)D
2175 */
2176 JNIEXPORT jdouble JNICALL
2177 Java_sun_awt_X11GraphicsDevice_getNativeScaleFactor
2178 (JNIEnv *env, jobject this, jint screen) {
2179 // in case of Xinerama individual screen scales are not supported
2180 char *name = get_output_screen_name(env, usingXinerama ? 0 : screen);
2181 double scale = getNativeScaleFactor(name);
2182 if (name) {
2183 free(name);
2184 }
2185 return scale;
2186 }