Bug Summary

File:jdk/src/java.desktop/unix/native/common/java2d/x11/X11SurfaceData.c
Warning:line 888, column 9
Value stored to 'w' is never read

Annotated Source Code

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clang -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name X11SurfaceData.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -mthread-model posix -fno-delete-null-pointer-checks -mframe-pointer=all -relaxed-aliasing -fmath-errno -fno-rounding-math -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -dwarf-column-info -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib/llvm-10/lib/clang/10.0.0 -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/support/modules_include/java.base -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/support/modules_include/java.base/linux -I /home/daniel/Projects/java/jdk/src/java.base/share/native/libjava -I /home/daniel/Projects/java/jdk/src/java.base/unix/native/libjava -I /home/daniel/Projects/java/jdk/src/hotspot/share/include -I /home/daniel/Projects/java/jdk/src/hotspot/os/posix/include -D LIBC=gnu -D _GNU_SOURCE -D _REENTRANT -D _LARGEFILE64_SOURCE -D LINUX -D DEBUG -D _LITTLE_ENDIAN -D ARCH="amd64" -D amd64 -D _LP64=1 -D XAWT -D XAWT_HACK -I /home/daniel/Projects/java/jdk/src/java.desktop/unix/native/libawt_xawt -I /home/daniel/Projects/java/jdk/src/java.desktop/unix/native/common/awt -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/common/awt -I /home/daniel/Projects/java/jdk/src/java.desktop/unix/native/common/java2d -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/common/java2d -I /home/daniel/Projects/java/jdk/src/java.desktop/unix/native/common/font -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/common/font -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/support/headers/java.desktop -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/libawt/awt/image -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/libawt/awt/image/cvutils -I /home/daniel/Projects/java/jdk/src/java.desktop/unix/native/libawt/java2d -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/libawt/java2d -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/libawt/java2d/loops -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/libawt/java2d/pipe -I /home/daniel/Projects/java/jdk/src/java.desktop/unix/native/libawt_xawt/awt -I /home/daniel/Projects/java/jdk/src/java.desktop/unix/native/include -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/include -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/common/awt/debug -I /home/daniel/Projects/java/jdk/src/java.desktop/unix/native/common/awt/systemscale -I /home/daniel/Projects/java/jdk/src/java.desktop/unix/native/common/font -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/common/font -I /home/daniel/Projects/java/jdk/src/java.desktop/unix/native/common/java2d/opengl -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/common/java2d/opengl -I /home/daniel/Projects/java/jdk/src/java.desktop/unix/native/common/java2d/x11 -D _FORTIFY_SOURCE=2 -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-10/lib/clang/10.0.0/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -Wno-unused-parameter -Wno-unused -Wno-type-limits -Wno-pointer-to-int-cast -Wno-unused-result -Wno-maybe-uninitialized -Wno-format -Wno-format-security -Wno-int-to-pointer-cast -Wno-parentheses -Wno-implicit-fallthrough -Wno-undef -Wno-unused-function -std=c99 -fdebug-compilation-dir /home/daniel/Projects/java/jdk/make -ferror-limit 19 -fmessage-length 0 -fvisibility hidden -stack-protector 1 -fgnuc-version=4.2.1 -fobjc-runtime=gcc -fdiagnostics-show-option -vectorize-loops -vectorize-slp -analyzer-output=html -faddrsig -o /home/daniel/Projects/java/scan/2021-12-21-193737-8510-1 -x c /home/daniel/Projects/java/jdk/src/java.desktop/unix/native/common/java2d/x11/X11SurfaceData.c
1/*
2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26#include "X11SurfaceData.h"
27#include "GraphicsPrimitiveMgr.h"
28#include "Region.h"
29#include "Trace.h"
30
31/* Needed to define intptr_t */
32#include "gdefs.h"
33
34#include "jni_util.h"
35#include "jvm_md.h"
36#include "awt_Component.h"
37#include "awt_GraphicsEnv.h"
38
39#include <dlfcn.h>
40
41#ifndef HEADLESS
42
43/**
44 * This file contains support code for loops using the SurfaceData
45 * interface to talk to an X11 drawable from native code.
46 */
47
48typedef struct _X11RIPrivate {
49 jint lockType;
50 jint lockFlags;
51 XImage *img;
52 int x, y;
53} X11RIPrivate;
54
55#define XSD_MAX(a,b)((a) > (b) ? (a) : (b)) ((a) > (b) ? (a) : (b))
56#define XSD_MIN(a,b)((a) < (b) ? (a) : (b)) ((a) < (b) ? (a) : (b))
57
58static LockFunc X11SD_Lock;
59static GetRasInfoFunc X11SD_GetRasInfo;
60static UnlockFunc X11SD_Unlock;
61static DisposeFunc X11SD_Dispose;
62static GetPixmapBgFunc X11SD_GetPixmapWithBg;
63static ReleasePixmapBgFunc X11SD_ReleasePixmapWithBg;
64extern int XShmAttachXErrHandler(Display *display, XErrorEvent *xerr);
65extern AwtGraphicsConfigDataPtr
66 getGraphicsConfigFromComponentPeer(JNIEnv *env, jobject this);
67extern struct X11GraphicsConfigIDs x11GraphicsConfigIDs;
68
69static int X11SD_FindClip(SurfaceDataBounds *b, SurfaceDataBounds *bounds,
70 X11SDOps *xsdo);
71static int X11SD_ClipToRoot(SurfaceDataBounds *b, SurfaceDataBounds *bounds,
72 X11SDOps *xsdo);
73static void X11SD_SwapBytes(X11SDOps *xsdo, XImage *img, int depth, int bpp);
74static XImage * X11SD_GetImage(JNIEnv *env, X11SDOps *xsdo,
75 SurfaceDataBounds *bounds,
76 jint lockFlags);
77static int X11SD_GetBitmapPad(int pixelStride);
78
79extern jfieldID validID;
80
81static int nativeByteOrder;
82static jclass xorCompClass;
83
84jint useMitShmExt = CANT_USE_MITSHM(0);
85jint useMitShmPixmaps = CANT_USE_MITSHM(0);
86jint forceSharedPixmaps = JNI_FALSE0;
87
88#ifdef MITSHM
89int mitShmPermissionMask = MITSHM_PERM_OWNER(0600);
90#endif
91
92/* Cached shared image, one for all surface datas. */
93static XImage * cachedXImage;
94
95#endif /* !HEADLESS */
96
97jboolean XShared_initIDs(JNIEnv *env, jboolean allowShmPixmaps)
98{
99#ifndef HEADLESS
100 union {
101 char c[4];
102 int i;
103 } endian;
104
105 endian.i = 0xff000000;
106 nativeByteOrder = (endian.c[0]) ? MSBFirst1 : LSBFirst0;
107
108 cachedXImage = NULL((void*)0);
109
110 if (sizeof(X11RIPrivate) > SD_RASINFO_PRIVATE_SIZE64) {
111 JNU_ThrowInternalError(env, "Private RasInfo structure too large!");
112 return JNI_FALSE0;
113 }
114
115#ifdef MITSHM
116 if (getenv("NO_AWT_MITSHM") == NULL((void*)0) &&
117 getenv("NO_J2D_MITSHM") == NULL((void*)0)) {
118 char * force;
119 char * permission = getenv("J2D_MITSHM_PERMISSION");
120 if (permission != NULL((void*)0)) {
121 if (strcmp(permission, "common") == 0) {
122 mitShmPermissionMask = MITSHM_PERM_COMMON(0666);
123 }
124 }
125
126 TryInitMITShm(env, &useMitShmExt, &useMitShmPixmaps);
127
128 if(allowShmPixmaps) {
129 useMitShmPixmaps = (useMitShmPixmaps == CAN_USE_MITSHM(1));
130 force = getenv("J2D_PIXMAPS");
131 if (force != NULL((void*)0)) {
132 if (useMitShmPixmaps && (strcmp(force, "shared") == 0)) {
133 forceSharedPixmaps = JNI_TRUE1;
134 } else if (strcmp(force, "server") == 0) {
135 useMitShmPixmaps = JNI_FALSE0;
136 }
137 }
138 }else {
139 useMitShmPixmaps = JNI_FALSE0;
140 }
141 }
142#endif /* MITSHM */
143
144#endif /* !HEADLESS */
145
146 return JNI_TRUE1;
147}
148
149
150/*
151 * Class: sun_java2d_x11_X11SurfaceData
152 * Method: initIDs
153 * Signature: (Ljava/lang/Class;Z)V
154 */
155JNIEXPORT__attribute__((visibility("default"))) void JNICALL
156Java_sun_java2d_x11_X11SurfaceData_initIDs(JNIEnv *env, jclass xsd,
157 jclass XORComp)
158{
159#ifndef HEADLESS
160 if(XShared_initIDs(env, JNI_TRUE1))
161 {
162 xorCompClass = (*env)->NewGlobalRef(env, XORComp);
163 }
164#endif /* !HEADLESS */
165}
166
167/*
168 * Class: sun_java2d_x11_X11SurfaceData
169 * Method: isDrawableValid
170 * Signature: ()Z
171 */
172JNIEXPORT__attribute__((visibility("default"))) jboolean JNICALL
173Java_sun_java2d_x11_XSurfaceData_isDrawableValid(JNIEnv *env, jobject this)
174{
175 jboolean ret = JNI_FALSE0;
176
177#ifndef HEADLESS
178 X11SDOps *xsdo = X11SurfaceData_GetOps(env, this);
179
180 AWT_LOCK()do { (*env)->CallStaticVoidMethod(env, tkClass, awtLockMID
); if ((*env)->ExceptionCheck(env)) { (*env)->ExceptionClear
(env); } } while(0);
181 if (xsdo->drawable != 0 || X11SD_InitWindow(env, xsdo) == SD_SUCCESS0) {
182 ret = JNI_TRUE1;
183 }
184 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
185#endif /* !HEADLESS */
186
187 return ret;
188}
189
190/*
191 * Class: sun_java2d_x11_X11SurfaceData
192 * Method: isShmPMAvailable
193 * Signature: ()Z
194 */
195JNIEXPORT__attribute__((visibility("default"))) jboolean JNICALL
196Java_sun_java2d_x11_X11SurfaceData_isShmPMAvailable(JNIEnv *env, jobject this)
197{
198#if defined(HEADLESS) || !defined(MITSHM)
199 return JNI_FALSE0;
200#else
201 return (jboolean)useMitShmPixmaps;
202#endif /* HEADLESS, MITSHM */
203}
204
205/*
206 * Class: sun_java2d_x11_X11SurfaceData
207 * Method: initOps
208 * Signature: (Ljava/lang/Object;I)V
209 */
210JNIEXPORT__attribute__((visibility("default"))) void JNICALL
211Java_sun_java2d_x11_XSurfaceData_initOps(JNIEnv *env, jobject xsd,
212 jobject peer,
213 jobject graphicsConfig, jint depth)
214{
215#ifndef HEADLESS
216 X11SDOps *xsdo = (X11SDOps*)SurfaceData_InitOps(env, xsd, sizeof(X11SDOps));
217 jboolean hasException;
218 if (xsdo == NULL((void*)0)) {
219 JNU_ThrowOutOfMemoryError(env, "Initialization of SurfaceData failed.");
220 return;
221 }
222 xsdo->sdOps.Lock = X11SD_Lock;
223 xsdo->sdOps.GetRasInfo = X11SD_GetRasInfo;
224 xsdo->sdOps.Unlock = X11SD_Unlock;
225 xsdo->sdOps.Dispose = X11SD_Dispose;
226 xsdo->GetPixmapWithBg = X11SD_GetPixmapWithBg;
227 xsdo->ReleasePixmapWithBg = X11SD_ReleasePixmapWithBg;
228 if (peer != NULL((void*)0)) {
229 xsdo->drawable = JNU_CallMethodByName(env, &hasException, peer, "getWindow", "()J").j;
230 if (hasException) {
231 return;
232 }
233 } else {
234 xsdo->drawable = 0;
235 }
236 xsdo->depth = depth;
237 xsdo->isPixmap = JNI_FALSE0;
238 xsdo->bitmask = 0;
239 xsdo->bgPixel = 0;
240 xsdo->isBgInitialized = JNI_FALSE0;
241#ifdef MITSHM
242 xsdo->shmPMData.shmSegInfo = NULL((void*)0);
243 xsdo->shmPMData.xRequestSent = JNI_FALSE0;
244 xsdo->shmPMData.pmSize = 0;
245 xsdo->shmPMData.usingShmPixmap = JNI_FALSE0;
246 xsdo->shmPMData.pixmap = 0;
247 xsdo->shmPMData.shmPixmap = 0;
248 xsdo->shmPMData.numBltsSinceRead = 0;
249 xsdo->shmPMData.pixelsReadSinceBlt = 0;
250 xsdo->shmPMData.numBltsThreshold = 2;
251#endif /* MITSHM */
252
253 xsdo->configData = (AwtGraphicsConfigDataPtr)
254 JNU_GetLongFieldAsPtr(env,(((void*)((*(env))->GetLongField((env),(graphicsConfig),(x11GraphicsConfigIDs
.aData)))))
255 graphicsConfig,(((void*)((*(env))->GetLongField((env),(graphicsConfig),(x11GraphicsConfigIDs
.aData)))))
256 x11GraphicsConfigIDs.aData)(((void*)((*(env))->GetLongField((env),(graphicsConfig),(x11GraphicsConfigIDs
.aData)))));
257 if (xsdo->configData == NULL((void*)0)) {
258 JNU_ThrowNullPointerException(env,
259 "Native GraphicsConfig data block missing");
260 return;
261 }
262 if (depth > 12) {
263 xsdo->pixelmask = (xsdo->configData->awt_visInfo.red_mask |
264 xsdo->configData->awt_visInfo.green_mask |
265 xsdo->configData->awt_visInfo.blue_mask);
266 } else if (depth == 12) {
267 xsdo->pixelmask = 0xfff;
268 } else {
269 xsdo->pixelmask = 0xff;
270 }
271
272 xsdo->xrPic = None0L;
273#endif /* !HEADLESS */
274}
275
276/*
277 * Class: sun_java2d_x11_X11SurfaceData
278 * Method: flushNativeSurface
279 * Signature: ()V
280 */
281JNIEXPORT__attribute__((visibility("default"))) void JNICALL
282Java_sun_java2d_x11_XSurfaceData_flushNativeSurface(JNIEnv *env, jobject xsd)
283{
284#ifndef HEADLESS
285 SurfaceDataOps *ops = SurfaceData_GetOps(env, xsd);
286
287 if (ops != NULL((void*)0)) {
288 X11SD_Dispose(env, ops);
289 }
290#endif /* !HEADLESS */
291}
292
293
294JNIEXPORT__attribute__((visibility("default"))) X11SDOps * JNICALL
295X11SurfaceData_GetOps(JNIEnv *env, jobject sData)
296{
297#ifdef HEADLESS
298 return NULL((void*)0);
299#else
300 SurfaceDataOps *ops = SurfaceData_GetOps(env, sData);
301 if (ops != NULL((void*)0) && ops->Lock != X11SD_Lock) {
302 SurfaceData_ThrowInvalidPipeException(env, "not an X11 SurfaceData");
303 ops = NULL((void*)0);
304 }
305 return (X11SDOps *) ops;
306#endif /* !HEADLESS */
307}
308
309/*
310 * Method for disposing X11SD-specific data
311 */
312static void
313X11SD_Dispose(JNIEnv *env, SurfaceDataOps *ops)
314{
315#ifndef HEADLESS
316 /* ops is assumed non-null as it is checked in SurfaceData_DisposeOps */
317 X11SDOps * xsdo = (X11SDOps*)ops;
318
319 AWT_LOCK()do { (*env)->CallStaticVoidMethod(env, tkClass, awtLockMID
); if ((*env)->ExceptionCheck(env)) { (*env)->ExceptionClear
(env); } } while(0);
320
321 xsdo->invalid = JNI_TRUE1;
322
323 if (xsdo->xrPic != None0L) {
324 XRenderFreePicture(awt_display, xsdo->xrPic);
325 xsdo->xrPic = None0L;
326 }
327
328 if (xsdo->isPixmap == JNI_TRUE1 && xsdo->drawable != 0) {
329#ifdef MITSHM
330 if (xsdo->shmPMData.shmSegInfo != NULL((void*)0)) {
331 X11SD_DropSharedSegment(xsdo->shmPMData.shmSegInfo);
332 xsdo->shmPMData.shmSegInfo = NULL((void*)0);
333 }
334 if (xsdo->shmPMData.pixmap) {
335 XFreePixmap(awt_display, xsdo->shmPMData.pixmap);
336 xsdo->shmPMData.pixmap = 0;
337 }
338 if (xsdo->shmPMData.shmPixmap) {
339 XFreePixmap(awt_display, xsdo->shmPMData.shmPixmap);
340 xsdo->shmPMData.shmPixmap = 0;
341 }
342#else
343 XFreePixmap(awt_display, xsdo->drawable);
344#endif /* MITSHM */
345 xsdo->drawable = 0;
346 }
347 if (xsdo->bitmask != 0) {
348 XFreePixmap(awt_display, xsdo->bitmask);
349 xsdo->bitmask = 0;
350 }
351 if (xsdo->javaGC != NULL((void*)0)) {
352 XFreeGC(awt_display, xsdo->javaGC);
353 xsdo->javaGC = NULL((void*)0);
354 }
355 if (xsdo->cachedGC != NULL((void*)0)) {
356 XFreeGC(awt_display, xsdo->cachedGC);
357 xsdo->cachedGC = NULL((void*)0);
358 }
359
360 if(xsdo->xrPic != None0L) {
361 XRenderFreePicture(awt_display, xsdo->xrPic);
362 }
363
364 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
365#endif /* !HEADLESS */
366}
367/*
368 * Class: sun_java2d_x11_X11SurfaceData
369 * Method: setInvalid
370 * Signature: ()V
371 */
372JNIEXPORT__attribute__((visibility("default"))) void JNICALL
373Java_sun_java2d_x11_XSurfaceData_setInvalid(JNIEnv *env, jobject xsd)
374{
375#ifndef HEADLESS
376 X11SDOps *xsdo = (X11SDOps *) SurfaceData_GetOps(env, xsd);
377
378 if (xsdo != NULL((void*)0)) {
379 xsdo->invalid = JNI_TRUE1;
380 }
381#endif /* !HEADLESS */
382}
383
384
385jboolean XShared_initSurface(JNIEnv *env, X11SDOps *xsdo, jint depth, jint width, jint height, jlong drawable)
386{
387#ifndef HEADLESS
388
389 if (drawable != (jlong)0) {
390 /* Double-buffering */
391 xsdo->drawable = drawable;
392 xsdo->isPixmap = JNI_FALSE0;
393 } else {
394 jboolean sizeIsInvalid = JNI_FALSE0;
395 jlong scan = 0;
396
397 /*
398 * width , height must be nonzero otherwise XCreatePixmap
399 * generates BadValue in error_handler
400 */
401 if (width <= 0 || height <= 0 || width > 32767 || height > 32767) {
402 sizeIsInvalid = JNI_TRUE1;
403 } else {
404 XImage* tmpImg = NULL((void*)0);
405
406 AWT_LOCK()do { (*env)->CallStaticVoidMethod(env, tkClass, awtLockMID
); if ((*env)->ExceptionCheck(env)) { (*env)->ExceptionClear
(env); } } while(0);
407 tmpImg = XCreateImage(awt_display,
408 xsdo->configData->awt_visInfo.visual,
409 depth, ZPixmap2, 0, NULL((void*)0), width, height,
410 X11SD_GetBitmapPad(xsdo->configData->pixelStride), 0);
411 if (tmpImg) {
412 scan = (jlong) tmpImg->bytes_per_line;
413 XDestroyImage(tmpImg)((*((tmpImg)->f.destroy_image))((tmpImg)));
414 tmpImg = NULL((void*)0);
415 }
416 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
417 JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE)do { if ((*env)->ExceptionCheck(env)) { return (0); } } while
(0);
418 }
419
420 if (sizeIsInvalid || (scan * height > 0x7FFFFFFFL)) {
421 JNU_ThrowOutOfMemoryError(env,
422 "Can't create offscreen surface");
423 return JNI_FALSE0;
424 }
425 xsdo->isPixmap = JNI_TRUE1;
426
427 xsdo->pmWidth = width;
428 xsdo->pmHeight = height;
429
430#ifdef MITSHM
431 xsdo->shmPMData.pmSize = (jlong) width * height * depth;
432 xsdo->shmPMData.pixelsReadThreshold = width * height / 8;
433 if (forceSharedPixmaps) {
434 AWT_LOCK()do { (*env)->CallStaticVoidMethod(env, tkClass, awtLockMID
); if ((*env)->ExceptionCheck(env)) { (*env)->ExceptionClear
(env); } } while(0);
435 xsdo->drawable = X11SD_CreateSharedPixmap(xsdo);
436 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
437 JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE)do { if ((*env)->ExceptionCheck(env)) { return (0); } } while
(0);
438 if (xsdo->drawable) {
439 xsdo->shmPMData.usingShmPixmap = JNI_TRUE1;
440 xsdo->shmPMData.shmPixmap = xsdo->drawable;
441 return JNI_TRUE1;
442 }
443 }
444#endif /* MITSHM */
445
446 AWT_LOCK()do { (*env)->CallStaticVoidMethod(env, tkClass, awtLockMID
); if ((*env)->ExceptionCheck(env)) { (*env)->ExceptionClear
(env); } } while(0);
447 xsdo->drawable =
448 XCreatePixmap(awt_display,
449 RootWindow(awt_display,((&((_XPrivDisplay)(awt_display))->screens[xsdo->configData
->awt_visInfo.screen])->root)
450 xsdo->configData->awt_visInfo.screen)((&((_XPrivDisplay)(awt_display))->screens[xsdo->configData
->awt_visInfo.screen])->root),
451 width, height, depth);
452 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
453 JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE)do { if ((*env)->ExceptionCheck(env)) { return (0); } } while
(0);
454#ifdef MITSHM
455 xsdo->shmPMData.usingShmPixmap = JNI_FALSE0;
456 xsdo->shmPMData.pixmap = xsdo->drawable;
457#endif /* MITSHM */
458 }
459 if (xsdo->drawable == 0) {
460 JNU_ThrowOutOfMemoryError(env,
461 "Can't create offscreen surface");
462 return JNI_FALSE0;
463 }
464
465#endif /* !HEADLESS */
466 return JNI_TRUE1;
467}
468
469
470/*
471 * Class: sun_java2d_x11_X11SurfaceData
472 * Method: initSurface
473 * Signature: ()V
474 */
475JNIEXPORT__attribute__((visibility("default"))) void JNICALL
476Java_sun_java2d_x11_X11SurfaceData_initSurface(JNIEnv *env, jclass xsd,
477 jint depth,
478 jint width, jint height,
479 jlong drawable)
480{
481#ifndef HEADLESS
482 X11SDOps *xsdo = X11SurfaceData_GetOps(env, xsd);
483 if (xsdo == NULL((void*)0)) {
484 return;
485 }
486
487 if (xsdo->configData->awt_cmap == (Colormap)NULL((void*)0)) {
488 awtJNI_CreateColorData(env, xsdo->configData, 1);
489 JNU_CHECK_EXCEPTION(env)do { if ((*env)->ExceptionCheck(env)) { return; } } while (
0);
490 }
491 /* color_data will be initialized in awtJNI_CreateColorData for
492 8-bit visuals */
493 xsdo->cData = xsdo->configData->color_data;
494
495 XShared_initSurface(env, xsdo, depth, width, height, drawable);
496 xsdo->xrPic = None0L;
497#endif /* !HEADLESS */
498}
499
500#ifndef HEADLESS
501
502#ifdef MITSHM
503
504void X11SD_DropSharedSegment(XShmSegmentInfo *shminfo)
505{
506 if (shminfo != NULL((void*)0)) {
507 XShmDetach(awt_display, shminfo);
508 shmdt(shminfo->shmaddr);
509/* REMIND: we don't need shmctl(shminfo->shmid, IPC_RMID, 0); here. */
510/* Check X11SD_CreateSharedImage() for the explanation */
511 }
512}
513
514XImage* X11SD_CreateSharedImage(X11SDOps *xsdo,
515 jint width, jint height)
516{
517 XImage *img = NULL((void*)0);
518 XShmSegmentInfo *shminfo;
519
520 shminfo = malloc(sizeof(XShmSegmentInfo));
521 if (shminfo == NULL((void*)0)) {
522 return NULL((void*)0);
523 }
524 memset(shminfo, 0, sizeof(XShmSegmentInfo));
525
526 img = XShmCreateImage(awt_display, xsdo->configData->awt_visInfo.visual,
527 xsdo->depth, ZPixmap2, NULL((void*)0), shminfo,
528 width, height);
529 if (img == NULL((void*)0)) {
530 free((void *)shminfo);
531 return NULL((void*)0);
532 }
533 shminfo->shmid =
534 shmget(IPC_PRIVATE((__key_t) 0), (size_t) height * img->bytes_per_line,
535 IPC_CREAT01000|mitShmPermissionMask);
536 if (shminfo->shmid < 0) {
537 J2dRlsTraceLn1(J2D_TRACE_ERROR,{ J2dTraceImpl(1, 1, "X11SD_SetupSharedSegment shmget has failed: %s"
, strerror((*__errno_location ()))); }
538 "X11SD_SetupSharedSegment shmget has failed: %s",{ J2dTraceImpl(1, 1, "X11SD_SetupSharedSegment shmget has failed: %s"
, strerror((*__errno_location ()))); }
539 strerror(errno)){ J2dTraceImpl(1, 1, "X11SD_SetupSharedSegment shmget has failed: %s"
, strerror((*__errno_location ()))); };
540 free((void *)shminfo);
541 XDestroyImage(img)((*((img)->f.destroy_image))((img)));
542 return NULL((void*)0);
543 }
544
545 shminfo->shmaddr = (char *) shmat(shminfo->shmid, 0, 0);
546 if (shminfo->shmaddr == ((char *) -1)) {
547 shmctl(shminfo->shmid, IPC_RMID0, 0);
548 J2dRlsTraceLn1(J2D_TRACE_ERROR,{ J2dTraceImpl(1, 1, "X11SD_SetupSharedSegment shmat has failed: %s"
, strerror((*__errno_location ()))); }
549 "X11SD_SetupSharedSegment shmat has failed: %s",{ J2dTraceImpl(1, 1, "X11SD_SetupSharedSegment shmat has failed: %s"
, strerror((*__errno_location ()))); }
550 strerror(errno)){ J2dTraceImpl(1, 1, "X11SD_SetupSharedSegment shmat has failed: %s"
, strerror((*__errno_location ()))); };
551 free((void *)shminfo);
552 XDestroyImage(img)((*((img)->f.destroy_image))((img)));
553 return NULL((void*)0);
554 }
555
556 shminfo->readOnly = False0;
557
558 resetXShmAttachFailed();
559 EXEC_WITH_XERROR_HANDLER(XShmAttachXErrHandler,do { do { XSync(awt_display, 0); current_native_xerror_handler
= (XShmAttachXErrHandler); } while (0); do { XShmAttach(awt_display
, shminfo); } while (0); do { XSync(awt_display, 0); current_native_xerror_handler
= ((void*)0); } while (0); } while (0)
560 XShmAttach(awt_display, shminfo))do { do { XSync(awt_display, 0); current_native_xerror_handler
= (XShmAttachXErrHandler); } while (0); do { XShmAttach(awt_display
, shminfo); } while (0); do { XSync(awt_display, 0); current_native_xerror_handler
= ((void*)0); } while (0); } while (0);
561
562 /*
563 * Once the XSync round trip has finished then we
564 * can get rid of the id so that this segment does not stick
565 * around after we go away, holding system resources.
566 */
567 shmctl(shminfo->shmid, IPC_RMID0, 0);
568
569 if (isXShmAttachFailed() == JNI_TRUE1) {
570 J2dRlsTraceLn1(J2D_TRACE_ERROR,{ J2dTraceImpl(1, 1, "X11SD_SetupSharedSegment XShmAttach has failed: %s"
, strerror((*__errno_location ()))); }
571 "X11SD_SetupSharedSegment XShmAttach has failed: %s",{ J2dTraceImpl(1, 1, "X11SD_SetupSharedSegment XShmAttach has failed: %s"
, strerror((*__errno_location ()))); }
572 strerror(errno)){ J2dTraceImpl(1, 1, "X11SD_SetupSharedSegment XShmAttach has failed: %s"
, strerror((*__errno_location ()))); };
573 shmdt(shminfo->shmaddr);
574 free((void *)shminfo);
575 XDestroyImage(img)((*((img)->f.destroy_image))((img)));
576 return NULL((void*)0);
577 }
578
579 img->data = shminfo->shmaddr;
580 img->obdata = (char *)shminfo;
581
582 return img;
583}
584
585XImage* X11SD_GetSharedImage(X11SDOps *xsdo, jint width, jint height,
586 jint maxWidth, jint maxHeight, jboolean readBits)
587{
588 XImage * retImage = NULL((void*)0);
589 if (cachedXImage != NULL((void*)0) &&
590 X11SD_CachedXImageFits(width, height, maxWidth, maxHeight,
591 xsdo->depth, readBits)) {
592 /* sync so previous data gets flushed */
593 XSync(awt_display, False0);
594 retImage = cachedXImage;
595 cachedXImage = (XImage *)NULL((void*)0);
596 } else if ((jlong) width * height * xsdo->depth > 0x10000) {
597 retImage = X11SD_CreateSharedImage(xsdo, width, height);
598 }
599 return retImage;
600}
601
602Drawable X11SD_CreateSharedPixmap(X11SDOps *xsdo)
603{
604 XShmSegmentInfo *shminfo;
605 XImage *img = NULL((void*)0);
606 Drawable pixmap;
607 int scan;
608 int width = xsdo->pmWidth;
609 int height = xsdo->pmHeight;
610
611 if (xsdo->shmPMData.pmSize < 0x10000) {
612 /* only use shared mem pixmaps for relatively big images */
613 return 0;
614 }
615
616 /* need to create shared(!) image to get bytes_per_line */
617 img = X11SD_CreateSharedImage(xsdo, width, height);
618 if (img == NULL((void*)0)) {
619 return 0;
620 }
621 scan = img->bytes_per_line;
622 shminfo = (XShmSegmentInfo*)img->obdata;
623 XFree(img);
624
625 pixmap =
626 XShmCreatePixmap(awt_display,
627 RootWindow(awt_display,((&((_XPrivDisplay)(awt_display))->screens[xsdo->configData
->awt_visInfo.screen])->root)
628 xsdo->configData->awt_visInfo.screen)((&((_XPrivDisplay)(awt_display))->screens[xsdo->configData
->awt_visInfo.screen])->root),
629 shminfo->shmaddr, shminfo,
630 width, height, xsdo->depth);
631 if (pixmap == 0) {
632 X11SD_DropSharedSegment(shminfo);
633 return 0;
634 }
635
636 xsdo->shmPMData.shmSegInfo = shminfo;
637 xsdo->shmPMData.bytesPerLine = scan;
638 return pixmap;
639}
640
641void X11SD_PuntPixmap(X11SDOps *xsdo, jint width, jint height)
642{
643
644 if (useMitShmPixmaps != CAN_USE_MITSHM(1) || forceSharedPixmaps) {
645 return;
646 }
647
648 /* we wouldn't be here if it's a shared pixmap, so no check
649 * for !usingShmPixmap.
650 */
651
652 xsdo->shmPMData.numBltsSinceRead = 0;
653
654 xsdo->shmPMData.pixelsReadSinceBlt += width * height;
655 if (xsdo->shmPMData.pixelsReadSinceBlt >
656 xsdo->shmPMData.pixelsReadThreshold) {
657 if (!xsdo->shmPMData.shmPixmap) {
658 xsdo->shmPMData.shmPixmap =
659 X11SD_CreateSharedPixmap(xsdo);
660 }
661 if (xsdo->shmPMData.shmPixmap) {
662 GC xgc = XCreateGC(awt_display, xsdo->shmPMData.shmPixmap, 0L, NULL((void*)0));
663 if (xgc != NULL((void*)0)) {
664 xsdo->shmPMData.usingShmPixmap = JNI_TRUE1;
665 xsdo->drawable = xsdo->shmPMData.shmPixmap;
666 XCopyArea(awt_display,
667 xsdo->shmPMData.pixmap, xsdo->drawable, xgc,
668 0, 0, xsdo->pmWidth, xsdo->pmHeight, 0, 0);
669 XSync(awt_display, False0);
670 xsdo->shmPMData.xRequestSent = JNI_FALSE0;
671 XFreeGC(awt_display, xgc);
672 }
673 }
674 }
675}
676
677void X11SD_UnPuntPixmap(X11SDOps *xsdo)
678{
679 if (useMitShmPixmaps != CAN_USE_MITSHM(1) || forceSharedPixmaps) {
680 return;
681 }
682 xsdo->shmPMData.pixelsReadSinceBlt = 0;
683 if (xsdo->shmPMData.numBltsSinceRead >=
684 xsdo->shmPMData.numBltsThreshold)
685 {
686 if (xsdo->shmPMData.usingShmPixmap) {
687 if (!xsdo->shmPMData.pixmap) {
688 xsdo->shmPMData.pixmap =
689 XCreatePixmap(awt_display,
690 RootWindow(awt_display,((&((_XPrivDisplay)(awt_display))->screens[xsdo->configData
->awt_visInfo.screen])->root)
691 xsdo->configData->awt_visInfo.screen)((&((_XPrivDisplay)(awt_display))->screens[xsdo->configData
->awt_visInfo.screen])->root),
692 xsdo->pmWidth, xsdo->pmHeight, xsdo->depth);
693 }
694 if (xsdo->shmPMData.pixmap) {
695 GC xgc = XCreateGC(awt_display, xsdo->shmPMData.pixmap, 0L, NULL((void*)0));
696 if (xgc != NULL((void*)0)) {
697 xsdo->drawable = xsdo->shmPMData.pixmap;
698 XCopyArea(awt_display,
699 xsdo->shmPMData.shmPixmap, xsdo->drawable, xgc,
700 0, 0, xsdo->pmWidth, xsdo->pmHeight, 0, 0);
701 XSync(awt_display, False0);
702 XFreeGC(awt_display, xgc);
703 xsdo->shmPMData.xRequestSent = JNI_FALSE0;
704 xsdo->shmPMData.usingShmPixmap = JNI_FALSE0;
705 xsdo->shmPMData.numBltsThreshold *= 2;
706 }
707 }
708 }
709 } else {
710 xsdo->shmPMData.numBltsSinceRead++;
711 }
712}
713
714/**
715 * Determines if the cached image can be used for current operation.
716 * If the image is to be used to be read into by XShmGetImage,
717 * it must be close enough to avoid excessive reading from the screen;
718 * otherwise it should just be at least the size requested.
719 */
720jboolean X11SD_CachedXImageFits(jint width, jint height, jint maxWidth,
721 jint maxHeight, jint depth, jboolean readBits)
722{
723 /* we assume here that the cached image exists */
724 jint imgWidth = cachedXImage->width;
725 jint imgHeight = cachedXImage->height;
726
727 if (imgWidth < width || imgHeight < height || depth != cachedXImage->depth) {
728 /* doesn't fit if any of the cached image dimensions is smaller
729 or the depths are different */
730 return JNI_FALSE0;
731 }
732
733 if (!readBits) {
734 /* Not reading from this image, so any image at least of the
735 size requested will do */
736 return JNI_TRUE1;
737 }
738
739 if ((imgWidth < width + 64) && (imgHeight < height + 64)
740 && imgWidth <= maxWidth && imgHeight <= maxHeight)
741 {
742 /* Cached image's width/height shouldn't be more than 64 pixels
743 * larger than requested, because the region in XShmGetImage
744 * can't be specified and we don't want to read too much.
745 * Furthermore it has to be smaller than maxWidth/Height
746 * so drawables are not read out of bounds.
747 */
748 return JNI_TRUE1;
749 }
750
751 return JNI_FALSE0;
752}
753#endif /* MITSHM */
754
755jint X11SD_InitWindow(JNIEnv *env, X11SDOps *xsdo)
756{
757 if (xsdo->isPixmap == JNI_TRUE1) {
758 return SD_FAILURE-1;
759 }
760 xsdo->cData = xsdo->configData->color_data;
761
762 return SD_SUCCESS0;
763}
764
765static jint X11SD_Lock(JNIEnv *env,
766 SurfaceDataOps *ops,
767 SurfaceDataRasInfo *pRasInfo,
768 jint lockflags)
769{
770 X11SDOps *xsdo = (X11SDOps *) ops;
771 X11RIPrivate *xpriv = (X11RIPrivate *) &(pRasInfo->priv);
772 int ret = SD_SUCCESS0;
773
774 AWT_LOCK()do { (*env)->CallStaticVoidMethod(env, tkClass, awtLockMID
); if ((*env)->ExceptionCheck(env)) { (*env)->ExceptionClear
(env); } } while(0);
775
776 if (xsdo->invalid) {
777 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
778 SurfaceData_ThrowInvalidPipeException(env, "bounds changed");
779 return SD_FAILURE-1;
780 }
781 xsdo->cData = xsdo->configData->color_data;
782 if (xsdo->drawable == 0 && X11SD_InitWindow(env, xsdo) == SD_FAILURE-1) {
783 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
784 return SD_FAILURE-1;
785 }
786 if ((lockflags & SD_LOCK_LUT(1 << 2)) != 0 &&
787 (xsdo->cData == NULL((void*)0) ||
788 xsdo->cData->awt_icmLUT == NULL((void*)0)))
789 {
790 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
791 if (!(*env)->ExceptionCheck(env))
792 {
793 JNU_ThrowNullPointerException(env, "colormap lookup table");
794 }
795 return SD_FAILURE-1;
796 }
797 if ((lockflags & SD_LOCK_INVCOLOR(1 << 3)) != 0 &&
798 (xsdo->cData == NULL((void*)0) ||
799 xsdo->cData->img_clr_tbl == NULL((void*)0) ||
800 xsdo->cData->img_oda_red == NULL((void*)0) ||
801 xsdo->cData->img_oda_green == NULL((void*)0) ||
802 xsdo->cData->img_oda_blue == NULL((void*)0)))
803 {
804 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
805 if (!(*env)->ExceptionCheck(env))
806 {
807 JNU_ThrowNullPointerException(env, "inverse colormap lookup table");
808 }
809 return SD_FAILURE-1;
810 }
811 if ((lockflags & SD_LOCK_INVGRAY(1 << 4)) != 0 &&
812 (xsdo->cData == NULL((void*)0) ||
813 xsdo->cData->pGrayInverseLutData == NULL((void*)0)))
814 {
815 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
816 if (!(*env)->ExceptionCheck(env))
817 {
818 JNU_ThrowNullPointerException(env, "inverse gray lookup table");
819 }
820 return SD_FAILURE-1;
821 }
822 if (lockflags & SD_LOCK_RD_WR((1 << 0) | (1 << 1))) {
823 if (lockflags & SD_LOCK_FASTEST(1 << 5)) {
824 ret = SD_SLOWLOCK1;
825 }
826 xpriv->lockType = X11SD_LOCK_BY_XIMAGE2;
827 if (xsdo->isPixmap) {
828#ifdef MITSHM
829 if (xsdo->shmPMData.usingShmPixmap) {
830 xpriv->lockType = X11SD_LOCK_BY_SHMEM4;
831 }
832#endif /* MITSHM */
833 if (pRasInfo->bounds.x1 < 0) {
834 pRasInfo->bounds.x1 = 0;
835 }
836 if (pRasInfo->bounds.y1 < 0) {
837 pRasInfo->bounds.y1 = 0;
838 }
839 if (pRasInfo->bounds.x2 > xsdo->pmWidth) {
840 pRasInfo->bounds.x2 = xsdo->pmWidth;
841 }
842 if (pRasInfo->bounds.y2 > xsdo->pmHeight) {
843 pRasInfo->bounds.y2 = xsdo->pmHeight;
844 }
845 }
846 } else {
847 /* They didn't lock for anything - we won't give them anything */
848 xpriv->lockType = X11SD_LOCK_BY_NULL1;
849 }
850 xpriv->lockFlags = lockflags;
851 xpriv->img = NULL((void*)0);
852
853 return ret;
854 /* AWT_UNLOCK() called in Unlock */
855}
856
857static void X11SD_GetRasInfo(JNIEnv *env,
858 SurfaceDataOps *ops,
859 SurfaceDataRasInfo *pRasInfo)
860{
861 X11SDOps *xsdo = (X11SDOps *) ops;
862 X11RIPrivate *xpriv = (X11RIPrivate *) &(pRasInfo->priv);
863 jint lockFlags = xpriv->lockFlags;
864 jint depth = xsdo->depth;
865 int mult = xsdo->configData->pixelStride;
866
867
868#ifdef MITSHM
869 if (xpriv->lockType == X11SD_LOCK_BY_SHMEM4) {
870 if (xsdo->shmPMData.xRequestSent == JNI_TRUE1) {
871 /* need to sync before using shared mem pixmap
872 if any x calls were issued for this pixmap */
873 XSync(awt_display, False0);
874 xsdo->shmPMData.xRequestSent = JNI_FALSE0;
875 }
876 xpriv->x = pRasInfo->bounds.x1;
877 xpriv->y = pRasInfo->bounds.y1;
878 pRasInfo->rasBase = xsdo->shmPMData.shmSegInfo->shmaddr;
879 pRasInfo->pixelStride = mult;
880 pRasInfo->pixelBitOffset = 0;
881 pRasInfo->scanStride = xsdo->shmPMData.bytesPerLine;
882 } else
883#endif /* MITSHM */
884 if (xpriv->lockType == X11SD_LOCK_BY_XIMAGE2) {
885 int x, y, w, h;
886 x = pRasInfo->bounds.x1;
887 y = pRasInfo->bounds.y1;
888 w = pRasInfo->bounds.x2 - x;
Value stored to 'w' is never read
889 h = pRasInfo->bounds.y2 - y;
890
891 xpriv->img = X11SD_GetImage(env, xsdo, &pRasInfo->bounds, lockFlags);
892 if (xpriv->img) {
893 int scan = xpriv->img->bytes_per_line;
894 xpriv->x = x;
895 xpriv->y = y;
896 pRasInfo->rasBase = xpriv->img->data - x * mult - (intptr_t) y * scan;
897 pRasInfo->pixelStride = mult;
898 pRasInfo->pixelBitOffset = 0;
899 pRasInfo->scanStride = scan;
900 } else {
901 pRasInfo->rasBase = NULL((void*)0);
902 pRasInfo->pixelStride = 0;
903 pRasInfo->pixelBitOffset = 0;
904 pRasInfo->scanStride = 0;
905 }
906 } else {
907 /* They didn't lock for anything - we won't give them anything */
908 pRasInfo->rasBase = NULL((void*)0);
909 pRasInfo->pixelStride = 0;
910 pRasInfo->pixelBitOffset = 0;
911 pRasInfo->scanStride = 0;
912 }
913 if (lockFlags & SD_LOCK_LUT(1 << 2)) {
914 pRasInfo->lutBase = (jint *) xsdo->cData->awt_icmLUT;
915 pRasInfo->lutSize = xsdo->cData->awt_numICMcolors;
916 } else {
917 pRasInfo->lutBase = NULL((void*)0);
918 pRasInfo->lutSize = 0;
919 }
920 if (lockFlags & SD_LOCK_INVCOLOR(1 << 3)) {
921 pRasInfo->invColorTable = xsdo->cData->img_clr_tbl;
922 pRasInfo->redErrTable = xsdo->cData->img_oda_red;
923 pRasInfo->grnErrTable = xsdo->cData->img_oda_green;
924 pRasInfo->bluErrTable = xsdo->cData->img_oda_blue;
925 } else {
926 pRasInfo->invColorTable = NULL((void*)0);
927 pRasInfo->redErrTable = NULL((void*)0);
928 pRasInfo->grnErrTable = NULL((void*)0);
929 pRasInfo->bluErrTable = NULL((void*)0);
930 }
931 if (lockFlags & SD_LOCK_INVGRAY(1 << 4)) {
932 pRasInfo->invGrayTable = xsdo->cData->pGrayInverseLutData;
933 } else {
934 pRasInfo->invGrayTable = NULL((void*)0);
935 }
936}
937
938static void X11SD_Unlock(JNIEnv *env,
939 SurfaceDataOps *ops,
940 SurfaceDataRasInfo *pRasInfo)
941{
942 X11SDOps *xsdo = (X11SDOps *) ops;
943 X11RIPrivate *xpriv = (X11RIPrivate *) &(pRasInfo->priv);
944
945 if (xpriv->lockType == X11SD_LOCK_BY_XIMAGE2 &&
946 xpriv->img != NULL((void*)0))
947 {
948 if (xpriv->lockFlags & SD_LOCK_WRITE(1 << 1)) {
949 int x = xpriv->x;
950 int y = xpriv->y;
951 int w = pRasInfo->bounds.x2 - x;
952 int h = pRasInfo->bounds.y2 - y;
953 Drawable drawable = xsdo->drawable;
954 GC xgc = xsdo->cachedGC;
955 if (xgc == NULL((void*)0)) {
956 xsdo->cachedGC = xgc =
957 XCreateGC(awt_display, drawable, 0L, NULL((void*)0));
958 }
959
960 if (xpriv->img->byte_order != nativeByteOrder) {
961 /* switching bytes back in 24 and 32 bpp cases. */
962 /* For 16 bit XLib will switch for us. */
963 if (xsdo->depth > 16) {
964 X11SD_SwapBytes(xsdo, xpriv->img, xsdo->depth,
965 xsdo->configData->awtImage->wsImageFormat.bits_per_pixel);
966 }
967 }
968
969#ifdef MITSHM
970 if (xpriv->img->obdata != NULL((void*)0)) {
971 XShmPutImage(awt_display, drawable, xgc,
972 xpriv->img, 0, 0, x, y, w, h, False0);
973 XFlush(awt_display);
974 } else {
975 XPutImage(awt_display, drawable, xgc,
976 xpriv->img, 0, 0, x, y, w, h);
977 }
978 if (xsdo->shmPMData.usingShmPixmap) {
979 xsdo->shmPMData.xRequestSent = JNI_TRUE1;
980 }
981#else
982 XPutImage(awt_display, drawable, xgc,
983 xpriv->img, 0, 0, x, y, w, h);
984#endif /* MITSHM */
985
986 }
987 X11SD_DisposeOrCacheXImage(xpriv->img);
988 xpriv->img = (XImage *)NULL((void*)0);
989 }
990 /* the background pixel is not valid anymore */
991 if (xpriv->lockFlags & SD_LOCK_WRITE(1 << 1)) {
992 xsdo->isBgInitialized = JNI_FALSE0;
993 }
994 xpriv->lockType = X11SD_LOCK_UNLOCKED0;
995 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
996}
997
998static int
999X11SD_ClipToRoot(SurfaceDataBounds *b, SurfaceDataBounds *bounds,
1000 X11SDOps *xsdo)
1001{
1002 short x1=0, y1=0, x2=0, y2=0;
1003 int tmpx, tmpy;
1004 Window tmpchild;
1005
1006 Window window = (Window)(xsdo->drawable); /* is always a Window */
1007 XWindowAttributes winAttr;
1008
1009 Statusint status = XGetWindowAttributes(awt_display, window, &winAttr);
1010 if (status == 0) {
1011 /* Failure, X window no longer valid. */
1012 return FALSE0;
1013 }
1014 if (!XTranslateCoordinates(awt_display, window,
1015 RootWindowOfScreen(winAttr.screen)((winAttr.screen)->root),
1016 0, 0, &tmpx, &tmpy, &tmpchild)) {
1017 return FALSE0;
1018 }
1019
1020 x1 = -(x1 + tmpx);
1021 y1 = -(y1 + tmpy);
1022
1023 x2 = x1 + DisplayWidth(awt_display, xsdo->configData->awt_visInfo.screen)((&((_XPrivDisplay)(awt_display))->screens[xsdo->configData
->awt_visInfo.screen])->width);
1024 y2 = y1 + DisplayHeight(awt_display, xsdo->configData->awt_visInfo.screen)((&((_XPrivDisplay)(awt_display))->screens[xsdo->configData
->awt_visInfo.screen])->height);
1025
1026 x1 = XSD_MAX(bounds->x1, x1)((bounds->x1) > (x1) ? (bounds->x1) : (x1));
1027 y1 = XSD_MAX(bounds->y1, y1)((bounds->y1) > (y1) ? (bounds->y1) : (y1));
1028 x2 = XSD_MIN(bounds->x2, x2)((bounds->x2) < (x2) ? (bounds->x2) : (x2));
1029 y2 = XSD_MIN(bounds->y2, y2)((bounds->y2) < (y2) ? (bounds->y2) : (y2));
1030 if ((x1 >= x2) || (y1 >= y2)) {
1031 return FALSE0;
1032 }
1033 b->x1 = x1;
1034 b->y1 = y1;
1035 b->x2 = x2;
1036 b->y2 = y2;
1037
1038 return TRUE1;
1039}
1040
1041/*
1042 * x1, y1, x2, y2 - our rectangle in the coord system of
1043 * the widget
1044 * px1, xy1, px2, py2 - current parent rect coords in the
1045 * same system
1046 */
1047static int
1048X11SD_FindClip(SurfaceDataBounds *b, SurfaceDataBounds *bounds, X11SDOps *xsdo)
1049{
1050 return TRUE1;
1051}
1052
1053static void
1054X11SD_SwapBytes(X11SDOps *xsdo, XImage * img, int depth, int bpp) {
1055 jlong lengthInBytes = (jlong) img->height * img->bytes_per_line;
1056 jlong i;
1057
1058 switch (depth) {
1059 case 12:
1060 case 15:
1061 case 16:
1062 {
1063 /* AB -> BA */
1064 unsigned short *d = (unsigned short *)img->data;
1065 unsigned short t;
1066 for (i = 0; i < lengthInBytes/2; i++) {
1067 t = *d;
1068 *d++ = (t >> 8) | (t << 8);
1069 }
1070 img->byte_order = nativeByteOrder;
1071 img->bitmap_bit_order = nativeByteOrder;
1072 break;
1073 }
1074 case 24:
1075 {
1076 /* ABC -> CBA */
1077 if (bpp == 24) {
1078 // 4517321: Only swap if we have a "real" ThreeByteBgr
1079 // visual (denoted by a red_mask of 0xff). Due to ambiguity
1080 // in the X11 spec, it appears that the swap is not required
1081 // on Linux configurations that use 24 bits per pixel (denoted
1082 // by a red_mask of 0xff0000).
1083 if (xsdo->configData->awt_visInfo.red_mask == 0xff) {
1084 int scan = img->bytes_per_line;
1085 unsigned char *d = (unsigned char *) img->data;
1086 unsigned char *d1;
1087 unsigned int t;
1088 int j;
1089
1090 for (i = 0; i < img->height; i++, d += scan) {
1091 d1 = d;
1092 for (j = 0; j < img->width; j++, d1 += 3) {
1093 /* not obvious opt from XLib src */
1094 t = d1[0]; d1[0] = d1[2]; d1[2] = t;
1095 }
1096 }
1097 }
1098 break;
1099 }
1100 }
1101 /* FALL THROUGH for 32-bit case */
1102 case 32:
1103 {
1104 /* ABCD -> DCBA */
1105 unsigned int *d = (unsigned int *) img->data;
1106 unsigned int t;
1107 for (i = 0; i < lengthInBytes/4; i++) {
1108 t = *d;
1109 *d++ = ((t >> 24) |
1110 ((t >> 8) & 0xff00) |
1111 ((t & 0xff00) << 8) |
1112 (t << 24));
1113 }
1114 break;
1115 }
1116 }
1117}
1118
1119static XImage * X11SD_GetImage(JNIEnv *env, X11SDOps *xsdo,
1120 SurfaceDataBounds *bounds,
1121 jint lockFlags)
1122{
1123 int x, y, w, h, maxWidth, maxHeight;
1124 int scan;
1125 XImage * img = NULL((void*)0);
1126 Drawable drawable;
1127 int depth = xsdo->depth;
1128 int mult = xsdo->configData->pixelStride;
1129 int pad = X11SD_GetBitmapPad(mult);
1130 jboolean readBits = lockFlags & SD_LOCK_NEED_PIXELS((1 << 0) | (1 << 6));
1131
1132 x = bounds->x1;
1133 y = bounds->y1;
1134 w = bounds->x2 - x;
1135 h = bounds->y2 - y;
1136
1137#ifdef MITSHM
1138 if (useMitShmExt == CAN_USE_MITSHM(1)) {
1139 if (xsdo->isPixmap) {
1140 if (readBits) {
1141 X11SD_PuntPixmap(xsdo, w, h);
1142 }
1143 maxWidth = xsdo->pmWidth;
1144 maxHeight = xsdo->pmHeight;
1145 } else {
1146 XWindowAttributes winAttr;
1147 if (XGetWindowAttributes(awt_display,
1148 (Window) xsdo->drawable, &winAttr) != 0) {
1149 maxWidth = winAttr.width;
1150 maxHeight = winAttr.height;
1151 } else {
1152 /* XGWA failed which isn't a good thing. Defaulting to using
1153 * x,y means that after the subtraction of these we will use
1154 * w=0, h=0 which is a reasonable default on such a failure.
1155 */
1156 maxWidth = x;
1157 maxHeight = y;
1158 }
1159 }
1160 maxWidth -= x;
1161 maxHeight -= y;
1162
1163 img = X11SD_GetSharedImage(xsdo, w, h, maxWidth, maxHeight, readBits);
1164 }
1165#endif /* MITSHM */
1166 drawable = xsdo->drawable;
1167
1168 if (readBits) {
1169#ifdef MITSHM
1170 if (img != NULL((void*)0)) {
1171 if (!XShmGetImage(awt_display, drawable, img, x, y, -1)) {
1172 X11SD_DisposeOrCacheXImage(img);
1173 img = NULL((void*)0);
1174 }
1175 }
1176 if (img == NULL((void*)0)) {
1177 img = XGetImage(awt_display, drawable, x, y, w, h, -1, ZPixmap2);
1178 if (img != NULL((void*)0)) {
1179 img->obdata = NULL((void*)0);
1180 }
1181 }
1182#else
1183 img = XGetImage(awt_display, drawable, x, y, w, h, -1, ZPixmap2);
1184#endif /* MITSHM */
1185 if (img == NULL((void*)0)) {
1186 SurfaceDataBounds temp;
1187 img = XCreateImage(awt_display,
1188 xsdo->configData->awt_visInfo.visual,
1189 depth, ZPixmap2, 0, NULL((void*)0), w, h, pad, 0);
1190 if (img == NULL((void*)0)) {
1191 return NULL((void*)0);
1192 }
1193
1194 scan = img->bytes_per_line;
1195 img->data = malloc((size_t) h * scan);
1196 if (img->data == NULL((void*)0)) {
1197 XFree(img);
1198 return NULL((void*)0);
1199 }
1200
1201 if (xsdo->isPixmap == JNI_FALSE0 &&
1202 X11SD_ClipToRoot(&temp, bounds, xsdo)) {
1203
1204 XImage * temp_image;
1205 temp_image = XGetImage(awt_display, drawable,
1206 temp.x1, temp.y1,
1207 temp.x2 - temp.x1,
1208 temp.y2 - temp.y1,
1209 -1, ZPixmap2);
1210 if (temp_image == NULL((void*)0)) {
1211 XGrabServer(awt_display);
1212 if (X11SD_FindClip(&temp, bounds, xsdo)) {
1213 temp_image =
1214 XGetImage(awt_display, drawable,
1215 temp.x1, temp.y1,
1216 temp.x2 - temp.x1,
1217 temp.y2 - temp.y1,
1218 -1, ZPixmap2);
1219 }
1220 XUngrabServer(awt_display);
1221 /* Workaround for bug 5039226 */
1222 XSync(awt_display, False0);
1223 }
1224 if (temp_image != NULL((void*)0)) {
1225 int temp_scan, bytes_to_copy;
1226 char * img_addr, * temp_addr;
1227 int i;
1228
1229 img_addr = img->data +
1230 (intptr_t) (temp.y1 - y) * scan + (temp.x1 - x) * mult;
1231 temp_scan = temp_image->bytes_per_line;
1232 temp_addr = temp_image->data;
1233 bytes_to_copy = (temp.x2 - temp.x1) * mult;
1234 for (i = temp.y1; i < temp.y2; i++) {
1235 memcpy(img_addr, temp_addr, bytes_to_copy);
1236 img_addr += scan;
1237 temp_addr += temp_scan;
1238 }
1239 XDestroyImage(temp_image)((*((temp_image)->f.destroy_image))((temp_image)));
1240 }
1241 }
1242 img->obdata = NULL((void*)0);
1243 }
1244 if (depth > 8 && img->byte_order != nativeByteOrder) {
1245 X11SD_SwapBytes(xsdo, img, depth,
1246 xsdo->configData->awtImage->wsImageFormat.bits_per_pixel);
1247 }
1248 } else {
1249 /*
1250 * REMIND: This might be better to move to the Lock function
1251 * to avoid lengthy I/O pauses inside what may be a critical
1252 * section. This will be more critical when SD_LOCK_READ is
1253 * implemented. Another solution is to cache the pixels
1254 * to avoid reading for every operation.
1255 */
1256 if (img == NULL((void*)0)) {
1257 img = XCreateImage(awt_display,
1258 xsdo->configData->awt_visInfo.visual,
1259 depth, ZPixmap2, 0, NULL((void*)0), w, h, pad, 0);
1260 if (img == NULL((void*)0)) {
1261 return NULL((void*)0);
1262 }
1263
1264 img->data = malloc((size_t) h * img->bytes_per_line);
1265 if (img->data == NULL((void*)0)) {
1266 XFree(img);
1267 return NULL((void*)0);
1268 }
1269
1270 img->obdata = NULL((void*)0);
1271
1272 if (img->byte_order != nativeByteOrder &&
1273 (depth == 15 || depth == 16 || depth == 12)) {
1274 /* bytes will be swapped by XLib. */
1275 img->byte_order = nativeByteOrder;
1276 img->bitmap_bit_order = nativeByteOrder;
1277 }
1278 }
1279 }
1280 return img;
1281}
1282
1283void X11SD_DisposeOrCacheXImage(XImage * image) {
1284 /* REMIND: might want to check if the new image worth caching. */
1285 /* Cache only shared images. Passed image is assumed to be non-null. */
1286 if (image->obdata != NULL((void*)0)) {
1287 if (cachedXImage != NULL((void*)0)) {
1288 X11SD_DisposeXImage(cachedXImage);
1289 }
1290 cachedXImage = image;
1291 } else {
1292 X11SD_DisposeXImage(image);
1293 }
1294}
1295
1296void X11SD_DisposeXImage(XImage * image) {
1297 if (image != NULL((void*)0)) {
1298#ifdef MITSHM
1299 if (image->obdata != NULL((void*)0)) {
1300 X11SD_DropSharedSegment((XShmSegmentInfo*)image->obdata);
1301 image->obdata = NULL((void*)0);
1302 }
1303#endif /* MITSHM */
1304 XDestroyImage(image)((*((image)->f.destroy_image))((image)));
1305 }
1306}
1307
1308void
1309X11SD_DirectRenderNotify(JNIEnv *env, X11SDOps *xsdo)
1310{
1311#ifdef MITSHM
1312 if (xsdo->shmPMData.usingShmPixmap) {
1313 xsdo->shmPMData.xRequestSent = JNI_TRUE1;
1314 }
1315#endif /* MITSHM */
1316 awt_output_flush();
1317}
1318
1319/*
1320 * Sets transparent pixels in the pixmap to
1321 * the specified solid background color and returns it.
1322 * Doesn't update source pixmap unless the color of the
1323 * transparent pixels is different from the specified color.
1324 *
1325 * Note: The AWT lock must be held by the current thread
1326 * while calling into this method.
1327 */
1328static Drawable
1329X11SD_GetPixmapWithBg(JNIEnv *env, X11SDOps *xsdo, jint pixel)
1330{
1331 /* assert AWT_CHECK_HAVE_LOCK(); */
1332
1333 if (xsdo->invalid) {
1334 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
1335 SurfaceData_ThrowInvalidPipeException(env, "bounds changed");
1336 return 0;
1337 }
1338
1339 /* the image doesn't have transparency, just return it */
1340 if (xsdo->bitmask == 0) {
1341 /* don't need to unlock here, the caller will unlock through
1342 the release call */
1343 return xsdo->drawable;
1344 }
1345
1346 /* Check if current color of the transparent pixels is different
1347 from the specified one */
1348 if (xsdo->isBgInitialized == JNI_FALSE0 || xsdo->bgPixel != pixel) {
1349 GC srcGC;
1350 GC bmGC;
1351
1352 if (xsdo->drawable == 0) {
1353 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
1354 return 0;
1355 }
1356
1357 bmGC = XCreateGC(awt_display, xsdo->bitmask, 0, NULL((void*)0));
1358 if (bmGC == NULL((void*)0)) {
1359 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
1360 return 0;
1361 }
1362
1363 /* invert the bitmask */
1364 XSetFunction(awt_display, bmGC, GXxor0x6);
1365 XSetForeground(awt_display, bmGC, 1);
1366 XFillRectangle(awt_display, xsdo->bitmask, bmGC,
1367 0, 0, xsdo->pmWidth, xsdo->pmHeight);
1368
1369 srcGC = XCreateGC(awt_display, xsdo->drawable, 0L, NULL((void*)0));
1370 if (srcGC == NULL((void*)0)) {
1371 XFreeGC(awt_display, bmGC);
1372 AWT_UNLOCK()do { awt_output_flush(); do { jthrowable pendingException; if
((pendingException = (*env)->ExceptionOccurred(env)) != (
(void*)0)) { (*env)->ExceptionClear(env); } (*env)->CallStaticVoidMethod
(env, tkClass, awtUnlockMID); if ((*env)->ExceptionCheck(env
)) { (*env)->ExceptionClear(env); } if (pendingException) {
(*env)->Throw(env, pendingException); } } while (0); } while
(0);
1373 return 0;
1374 }
1375
1376 /* set transparent pixels in the source pm to the bg color */
1377 XSetClipMask(awt_display, srcGC, xsdo->bitmask);
1378 XSetForeground(awt_display, srcGC, pixel);
1379 XFillRectangle(awt_display, xsdo->drawable, srcGC,
1380 0, 0, xsdo->pmWidth, xsdo->pmHeight);
1381
1382 /* invert the mask back */
1383 XFillRectangle(awt_display, xsdo->bitmask, bmGC,
1384 0, 0, xsdo->pmWidth, xsdo->pmHeight);
1385
1386 XFreeGC(awt_display, bmGC);
1387 XFreeGC(awt_display, srcGC);
1388 xsdo->bgPixel = pixel;
1389 xsdo->isBgInitialized = JNI_TRUE1;
1390 }
1391
1392 return xsdo->drawable;
1393}
1394
1395static void
1396X11SD_ReleasePixmapWithBg(JNIEnv *env, X11SDOps *xsdo)
1397{
1398#ifdef MITSHM
1399 if (xsdo->shmPMData.usingShmPixmap) {
1400 xsdo->shmPMData.xRequestSent = JNI_TRUE1;
1401 }
1402#endif /* MITSHM */
1403}
1404
1405static int X11SD_GetBitmapPad(int pixelStride) {
1406 // pad must be 8, 16, or 32
1407 return (pixelStride == 3) ? 32 : pixelStride * 8;
1408}
1409
1410#endif /* !HEADLESS */
1411
1412/*
1413 * Class: sun_java2d_x11_X11SurfaceData
1414 * Method: XCreateGC
1415 * Signature: (I)J
1416 */
1417JNIEXPORT__attribute__((visibility("default"))) jlong JNICALL
1418Java_sun_java2d_x11_XSurfaceData_XCreateGC
1419 (JNIEnv *env, jclass xsd, jlong pXSData)
1420{
1421 jlong ret;
1422
1423#ifndef HEADLESS
1424 X11SDOps *xsdo;
1425
1426 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XCreateGC"){ J2dTraceImpl(3, 1, "in X11SurfaceData_XCreateGC"); };
1427
1428 xsdo = (X11SDOps *) pXSData;
1429 if (xsdo == NULL((void*)0)) {
1430 return 0L;
1431 }
1432
1433 xsdo->javaGC = XCreateGC(awt_display, xsdo->drawable, 0, NULL((void*)0));
1434 ret = (jlong) xsdo->javaGC;
1435#else /* !HEADLESS */
1436 ret = 0L;
1437#endif /* !HEADLESS */
1438
1439 return ret;
1440}
1441
1442/*
1443 * Class: sun_java2d_x11_X11SurfaceData
1444 * Method: XResetClip
1445 * Signature: (JIIIILsun/java2d/pipe/Region;)V
1446 */
1447JNIEXPORT__attribute__((visibility("default"))) void JNICALL
1448Java_sun_java2d_x11_XSurfaceData_XResetClip
1449 (JNIEnv *env, jclass xsd, jlong xgc)
1450{
1451#ifndef HEADLESS
1452 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XResetClip"){ J2dTraceImpl(3, 1, "in X11SurfaceData_XResetClip"); };
1453 XSetClipMask(awt_display, (GC) xgc, None0L);
1454#endif /* !HEADLESS */
1455}
1456
1457/*
1458 * Class: sun_java2d_x11_X11SurfaceData
1459 * Method: XSetClip
1460 * Signature: (JIIIILsun/java2d/pipe/Region;)V
1461 */
1462JNIEXPORT__attribute__((visibility("default"))) void JNICALL
1463Java_sun_java2d_x11_XSurfaceData_XSetClip
1464 (JNIEnv *env, jclass xsd, jlong xgc,
1465 jint x1, jint y1, jint x2, jint y2,
1466 jobject complexclip)
1467{
1468#ifndef HEADLESS
1469 int numrects;
1470 XRectangle rects[256];
1471 XRectangle *pRect = rects;
1472
1473 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetClip"){ J2dTraceImpl(3, 1, "in X11SurfaceData_XSetClip"); };
1474
1475 numrects = RegionToYXBandedRectangles(env,
1476 x1, y1, x2, y2, complexclip,
1477 &pRect, 256);
1478
1479 XSetClipRectangles(awt_display, (GC) xgc, 0, 0, pRect, numrects, YXBanded3);
1480
1481 if (pRect != rects) {
1482 free(pRect);
1483 }
1484#endif /* !HEADLESS */
1485}
1486
1487/*
1488 * Class: sun_java2d_x11_X11SurfaceData
1489 * Method: XSetCopyMode
1490 * Signature: (J)V
1491 */
1492JNIEXPORT__attribute__((visibility("default"))) void JNICALL
1493Java_sun_java2d_x11_X11SurfaceData_XSetCopyMode
1494 (JNIEnv *env, jclass xsd, jlong xgc)
1495{
1496#ifndef HEADLESS
1497 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetCopyMode"){ J2dTraceImpl(3, 1, "in X11SurfaceData_XSetCopyMode"); };
1498 XSetFunction(awt_display, (GC) xgc, GXcopy0x3);
1499#endif /* !HEADLESS */
1500}
1501
1502/*
1503 * Class: sun_java2d_x11_X11SurfaceData
1504 * Method: XSetXorMode
1505 * Signature: (J)V
1506 */
1507JNIEXPORT__attribute__((visibility("default"))) void JNICALL
1508Java_sun_java2d_x11_X11SurfaceData_XSetXorMode
1509 (JNIEnv *env, jclass xr, jlong xgc)
1510{
1511#ifndef HEADLESS
1512 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetXorMode"){ J2dTraceImpl(3, 1, "in X11SurfaceData_XSetXorMode"); };
1513 XSetFunction(awt_display, (GC) xgc, GXxor0x6);
1514#endif /* !HEADLESS */
1515}
1516
1517/*
1518 * Class: sun_java2d_x11_X11SurfaceData
1519 * Method: XSetForeground
1520 * Signature: (JI)V
1521 */
1522JNIEXPORT__attribute__((visibility("default"))) void JNICALL
1523Java_sun_java2d_x11_X11SurfaceData_XSetForeground
1524 (JNIEnv *env, jclass xsd, jlong xgc, jint pixel)
1525{
1526#ifndef HEADLESS
1527 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetForeground"){ J2dTraceImpl(3, 1, "in X11SurfaceData_XSetForeground"); };
1528 XSetForeground(awt_display, (GC) xgc, pixel);
1529#endif /* !HEADLESS */
1530}
1531
1532/*
1533 * Class: sun_java2d_x11_X11SurfaceData
1534 * Method: XSetGraphicsExposures
1535 * Signature: (JZ)V
1536 */
1537JNIEXPORT__attribute__((visibility("default"))) void JNICALL
1538Java_sun_java2d_x11_XSurfaceData_XSetGraphicsExposures
1539 (JNIEnv *env, jclass xsd, jlong xgc, jboolean needExposures)
1540{
1541#ifndef HEADLESS
1542 J2dTraceLn(J2D_TRACE_INFO, "in X11SurfaceData_XSetGraphicsExposures"){ J2dTraceImpl(3, 1, "in X11SurfaceData_XSetGraphicsExposures"
); };
1543 XSetGraphicsExposures(awt_display, (GC) xgc, needExposures ? True1 : False0);
1544#endif /* !HEADLESS */
1545}