src/solaris/native/sun/java2d/x11/XRBackendNative.c

*** 29,38 ****
--- 29,42 ----
  #include "Region.h"
  #include "fontscalerdefs.h"
  
  #include <X11/extensions/Xrender.h>
  
+ #ifdef __linux__
+     #include <sys/utsname.h>
+ #endif
+ 
  /* On Solaris 10 updates 8, 9, the render.h file defines these
   * protocol values but does not define the structs in Xrender.h.
   * Thus in order to get these always defined on Solaris 10
   * we will undefine the symbols if we have determined via the
   * makefiles that Xrender.h is lacking the structs. This will
*** 129,139 ****
   * Note that sizeof(xRenderCreateRadiaGradientReq) = 36
   */
  #define MAX_PAYLOAD (262140u - 36u)
  #define MAXUINT (0xffffffffu)
  
! static jboolean IsXRenderAvailable(jboolean verbose) {
  
      void *xrenderlib;
  
      int major_opcode, first_event, first_error;
      jboolean available = JNI_TRUE;
--- 133,143 ----
   * Note that sizeof(xRenderCreateRadiaGradientReq) = 36
   */
  #define MAX_PAYLOAD (262140u - 36u)
  #define MAXUINT (0xffffffffu)
  
! static jboolean IsXRenderAvailable(jboolean verbose, jboolean ignoreLinuxVersion) {
  
      void *xrenderlib;
  
      int major_opcode, first_event, first_error;
      jboolean available = JNI_TRUE;
*** 251,270 ****
               "\tSee the release notes for more details.\n");
        fflush(stdout);
      }
  #endif
  
      return available;
  }
  /*
   * Class:     sun_awt_X11GraphicsEnvironment
   * Method:    initGLX
   * Signature: ()Z
   */
  JNIEXPORT jboolean JNICALL
  Java_sun_awt_X11GraphicsEnvironment_initXRender
! (JNIEnv *env, jclass x11ge, jboolean verbose)
  {
  #ifndef HEADLESS
      static jboolean xrenderAvailable = JNI_FALSE;
      static jboolean firstTime = JNI_TRUE;
  
--- 255,299 ----
               "\tSee the release notes for more details.\n");
        fflush(stdout);
      }
  #endif
  
+ #ifdef __linux__
+     /* 
+      * Check for Linux >= 3.5 (Ubuntu 12.04.02 LTS) to avoid hitting 
+      * https://bugs.freedesktop.org/show_bug.cgi?id=48045
+      */
+     struct utsname utsbuf;    
+     if(uname(&utsbuf) >= 0) {
+         int major, minor, revision;
+         if(sscanf(utsbuf.release, "%i.%i.%i", &major, &minor, &revision) == 3) {            
+             if(major < 3 || (major == 3 && minor < 5)) {
+                 if(!ignoreLinuxVersion) {
+                     available = JNI_FALSE;
+                 } 
+                 else if(verbose) {
+                  printf("WARNING: Linux < 3.5 detected.\n"
+                         "The pipeline will be enabled, but graphical "
+                         "artifacts can occur with old graphic drivers.\n"
+                         "See the release notes for more details.\n");
+                         fflush(stdout);    
+                 }
+             }
+         }
+     }
+ #endif // __linux__
+ 
      return available;
  }
  /*
   * Class:     sun_awt_X11GraphicsEnvironment
   * Method:    initGLX
   * Signature: ()Z
   */
  JNIEXPORT jboolean JNICALL
  Java_sun_awt_X11GraphicsEnvironment_initXRender
! (JNIEnv *env, jclass x11ge, jboolean verbose, jboolean ignoreLinuxVersion)
  {
  #ifndef HEADLESS
      static jboolean xrenderAvailable = JNI_FALSE;
      static jboolean firstTime = JNI_TRUE;
  
*** 275,285 ****
              firstTime = JNI_FALSE;
              return xrenderAvailable;
          }
  #endif
          AWT_LOCK();
!         xrenderAvailable = IsXRenderAvailable(verbose);
          AWT_UNLOCK();
          firstTime = JNI_FALSE;
      }
      return xrenderAvailable;
  #else
--- 304,314 ----
              firstTime = JNI_FALSE;
              return xrenderAvailable;
          }
  #endif
          AWT_LOCK();
!         xrenderAvailable = IsXRenderAvailable(verbose, ignoreLinuxVersion);
          AWT_UNLOCK();
          firstTime = JNI_FALSE;
      }
      return xrenderAvailable;
  #else
*** 292,314 ****
--- 321,347 ----
  Java_sun_java2d_xr_XRBackendNative_initIDs(JNIEnv *env, jclass cls) {
      char *maskData;
      XImage* defaultImg;
      jfieldID maskImgID;
      jlong fmt8;
+     jlong fmt24;
      jlong fmt32;
  
      jfieldID a8ID = (*env)->GetStaticFieldID(env, cls, "FMTPTR_A8", "J");
+     jfieldID rgb24ID = (*env)->GetStaticFieldID(env, cls, "FMTPTR_ARGB24", "J");
      jfieldID argb32ID = (*env)->GetStaticFieldID(env, cls, "FMTPTR_ARGB32", "J");
  
      if (awt_display == (Display *)NULL) {
          return;
      }
  
      fmt8 = ptr_to_jlong(XRenderFindStandardFormat(awt_display, PictStandardA8));
+     fmt24 = ptr_to_jlong(XRenderFindStandardFormat(awt_display, PictStandardRGB24));
      fmt32 = ptr_to_jlong(XRenderFindStandardFormat(awt_display, PictStandardARGB32));
  
      (*env)->SetStaticLongField(env, cls, a8ID, fmt8);
+     (*env)->SetStaticLongField(env, cls, rgb24ID, fmt24);
      (*env)->SetStaticLongField(env, cls, argb32ID, fmt32);
  
      maskData = (char *) malloc(32*32);
      if (maskData == NULL) {
         return;