Initial creation of j3d-core-utils sources in CVS repository

git-svn-id: https://svn.java.net/svn/j3d-core-utils~svn/trunk@5 9497e636-51bd-65ba-982d-a4982e1767a5

1 files changed, 153 insertions, 0 deletions

diff --git a/src/native/share/J3DTimer.c b/src/native/share/J3DTimer.c
new file mode 100644
index 0000000..cd32a08
--- /dev/null
+++ b/src/native/share/J3DTimer.c
@@ -0,0 +1,153 @@
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2004 Sun Microsystems, Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in
+ *   the documentation and/or other materials provided with the
+ *   distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any
+ * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
+ * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
+ * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
+ * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
+ * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
+ * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
+ * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
+ * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed, licensed or
+ * intended for use in the design, construction, operation or
+ * maintenance of any nuclear facility.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+
+/*
+ * Portions of this code were derived from work done by the Blackdown
+ * group (www.blackdown.org), who did the initial Linux implementation
+ * of the Java 3D API.
+ */
+
+#include "com_sun_j3d_utils_timer_J3DTimer.h"
+
+#ifdef __linux__
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+#endif
+
+#ifdef SOLARIS
+    #include <time.h>
+    #include <sys/systeminfo.h>
+    #include <string.h>
+#ifndef CLOCK_HIGHRES
+#define CLOCK_HIGHRES 4			/* Solaris 7 does not define this */
+#endif					/* constant. When run on Solaris 7 */
+#endif					/* CLOCK_HIGHRES is not used. */
+
+#ifdef WIN32
+    #include <Windows.h>
+    #include <math.h>
+    jlong pcRes = -1;
+#endif
+
+/*
+ * Class:     com_sun_j3d_utils_timer_J3DTimer
+ * Method:    getNativeTimer
+ * Signature: ()J
+ */
+JNIEXPORT jlong JNICALL Java_com_sun_j3d_utils_timer_J3DTimer_getNativeTimer
+  (JNIEnv *env, jclass clazz) {
+
+#ifdef SOLARIS
+  /*struct timespec tp;*/
+  /*clock_gettime( CLOCK_HIGHRES, &tp );*/
+
+  /*return (jlong)tp.tv_nsec + (jlong)tp.tv_sec*1000000000;*/
+
+  return (jlong)gethrtime();
+#endif
+
+#ifdef WIN32
+  LARGE_INTEGER time;
+
+  QueryPerformanceCounter( &time );
+
+  if (pcRes==-1)
+      pcRes = Java_com_sun_j3d_utils_timer_J3DTimer_getNativeTimerResolution(NULL, NULL );
+
+  return (jlong)time.QuadPart*pcRes;
+#endif
+#ifdef __linux__
+
+  struct timeval t;
+  gettimeofday(&t, 0);
+  return ((jlong)t.tv_sec) * 1000000000LL + ((jlong)t.tv_usec) * 1000;
+
+#endif
+
+}
+
+/*
+ * Class:     com_sun_j3d_utils_timer_J3DTimer
+ * Method:    getNativeTimerResolution
+ * Signature: ()J
+ */
+JNIEXPORT jlong JNICALL Java_com_sun_j3d_utils_timer_J3DTimer_getNativeTimerResolution
+  (JNIEnv *env, jclass clazz) {
+
+#ifdef SOLARIS
+
+  char buf[4];
+  jlong res=0;
+
+  sysinfo( SI_RELEASE, &buf[0], 4 );
+
+  if (strcmp( "5.7", &buf[0] )==0) {
+      res = (jlong)3;
+  } else {
+      struct timespec tp;
+      clock_getres( CLOCK_HIGHRES, &tp );
+      res = (jlong)tp.tv_nsec;
+  }
+
+  return res;
+#endif
+
+#ifdef WIN32
+  LARGE_INTEGER freq;
+  QueryPerformanceFrequency( &freq );
+
+  if ( (jlong)freq.QuadPart==0 )
+    return 1;
+
+  return (jlong) ceil(1000000000/((jlong)freq.QuadPart));
+#endif
+
+#ifdef __linux__
+
+  return ((jlong)1000000000) /sysconf (_SC_CLK_TCK);
+
+ #endif
+
+}