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src/java.desktop/unix/native/libawt_xawt/java2d/x11/XRBackendNative.c

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   1 /*
   2  * Copyright (c) 2010, 2016, 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 <jni.h>
  28 #include <math.h>
  29 #include "Region.h"
  30 #include "fontscalerdefs.h"
  31 
  32 #include <X11/extensions/Xrender.h>
  33 
  34 #ifdef __linux__
  35     #include <sys/utsname.h>
  36 #endif
  37 
  38 /* On Solaris 10 updates 8, 9, the render.h file defines these
  39  * protocol values but does not define the structs in Xrender.h.
  40  * Thus in order to get these always defined on Solaris 10
  41  * we will undefine the symbols if we have determined via the
  42  * makefiles that Xrender.h is lacking the structs. This will
  43  * trigger providing our own definitions as on earlier updates.
  44  * We could assume that *all* Solaris 10 update versions will lack the updated
  45  * Xrender.h and do this based solely on O/S being any 5.10 version, but this


 291                         "artifacts can occur with old graphic drivers.\n"
 292                         "See the release notes for more details.\n");
 293                         fflush(stdout);
 294                 }
 295             }
 296         }
 297     }
 298 #endif // __linux__
 299 
 300     return available;
 301 }
 302 /*
 303  * Class:     sun_awt_X11GraphicsEnvironment
 304  * Method:    initGLX
 305  * Signature: ()Z
 306  */
 307 JNIEXPORT jboolean JNICALL
 308 Java_sun_awt_X11GraphicsEnvironment_initXRender
 309 (JNIEnv *env, jclass x11ge, jboolean verbose, jboolean ignoreLinuxVersion)
 310 {
 311 #ifndef HEADLESS
 312     static jboolean xrenderAvailable = JNI_FALSE;
 313     static jboolean firstTime = JNI_TRUE;
 314 
 315     if (firstTime) {
 316 #ifdef DISABLE_XRENDER_BY_DEFAULT
 317         if (verbose == JNI_FALSE) {
 318             xrenderAvailable = JNI_FALSE;
 319             firstTime = JNI_FALSE;
 320             return xrenderAvailable;
 321         }
 322 #endif
 323         AWT_LOCK();
 324         xrenderAvailable = IsXRenderAvailable(verbose, ignoreLinuxVersion);
 325         AWT_UNLOCK();
 326         firstTime = JNI_FALSE;
 327     }
 328     return xrenderAvailable;
 329 #else
 330     return JNI_FALSE;
 331 #endif /* !HEADLESS */
 332 }
 333 
 334 
 335 JNIEXPORT void JNICALL
 336 Java_sun_java2d_xr_XRBackendNative_initIDs(JNIEnv *env, jclass cls) {
 337     char *maskData;
 338     XImage* defaultImg;
 339     jfieldID maskImgID;
 340     jlong fmt8;
 341     jlong fmt32;
 342 
 343     jfieldID a8ID = (*env)->GetStaticFieldID(env, cls, "FMTPTR_A8", "J");
 344     if (a8ID == NULL) {
 345         return;
 346     }
 347     jfieldID argb32ID = (*env)->GetStaticFieldID(env, cls, "FMTPTR_ARGB32", "J");
 348     if (argb32ID == NULL) {
 349         return;
 350     }
 351 
 352     if (awt_display == (Display *)NULL) {
 353         return;


   1 /*
   2  * Copyright (c) 2010, 2020, 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 #ifdef HEADLESS
  27     #error This file should not be included in headless library
  28 #endif
  29 
  30 #include "X11SurfaceData.h"
  31 #include <jni.h>
  32 #include <math.h>
  33 #include "Region.h"
  34 #include "fontscalerdefs.h"
  35 
  36 #include <X11/extensions/Xrender.h>
  37 
  38 #ifdef __linux__
  39     #include <sys/utsname.h>
  40 #endif
  41 
  42 /* On Solaris 10 updates 8, 9, the render.h file defines these
  43  * protocol values but does not define the structs in Xrender.h.
  44  * Thus in order to get these always defined on Solaris 10
  45  * we will undefine the symbols if we have determined via the
  46  * makefiles that Xrender.h is lacking the structs. This will
  47  * trigger providing our own definitions as on earlier updates.
  48  * We could assume that *all* Solaris 10 update versions will lack the updated
  49  * Xrender.h and do this based solely on O/S being any 5.10 version, but this


 295                         "artifacts can occur with old graphic drivers.\n"
 296                         "See the release notes for more details.\n");
 297                         fflush(stdout);
 298                 }
 299             }
 300         }
 301     }
 302 #endif // __linux__
 303 
 304     return available;
 305 }
 306 /*
 307  * Class:     sun_awt_X11GraphicsEnvironment
 308  * Method:    initGLX
 309  * Signature: ()Z
 310  */
 311 JNIEXPORT jboolean JNICALL
 312 Java_sun_awt_X11GraphicsEnvironment_initXRender
 313 (JNIEnv *env, jclass x11ge, jboolean verbose, jboolean ignoreLinuxVersion)
 314 {

 315     static jboolean xrenderAvailable = JNI_FALSE;
 316     static jboolean firstTime = JNI_TRUE;
 317 
 318     if (firstTime) {
 319 #ifdef DISABLE_XRENDER_BY_DEFAULT
 320         if (verbose == JNI_FALSE) {
 321             xrenderAvailable = JNI_FALSE;
 322             firstTime = JNI_FALSE;
 323             return xrenderAvailable;
 324         }
 325 #endif
 326         AWT_LOCK();
 327         xrenderAvailable = IsXRenderAvailable(verbose, ignoreLinuxVersion);
 328         AWT_UNLOCK();
 329         firstTime = JNI_FALSE;
 330     }
 331     return xrenderAvailable;



 332 }

 333 
 334 JNIEXPORT void JNICALL
 335 Java_sun_java2d_xr_XRBackendNative_initIDs(JNIEnv *env, jclass cls) {
 336     char *maskData;
 337     XImage* defaultImg;
 338     jfieldID maskImgID;
 339     jlong fmt8;
 340     jlong fmt32;
 341 
 342     jfieldID a8ID = (*env)->GetStaticFieldID(env, cls, "FMTPTR_A8", "J");
 343     if (a8ID == NULL) {
 344         return;
 345     }
 346     jfieldID argb32ID = (*env)->GetStaticFieldID(env, cls, "FMTPTR_ARGB32", "J");
 347     if (argb32ID == NULL) {
 348         return;
 349     }
 350 
 351     if (awt_display == (Display *)NULL) {
 352         return;


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