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Added in timer support

This commit is contained in:
Gregory Pierce 2003-01-02 18:19:30 +00:00
parent a2eb41850b
commit 0ce757265e
1 changed files with 45 additions and 2 deletions
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47
src/native/macosx/org_lwjgl_Sys.cpp
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@ -39,8 +39,14 @@
* @version $Revision$
*/
#include <sys/time.h>
#include "org_lwjgl_Sys.h"
long int hires_timer_freq; // Hires timer frequency
long int hires_timer_start; // Hires timer start
long int hires_timer; // Hires timer current time
/*
* Class: org_lwjgl_Sys
* Method: getDirectBufferAddress
@ -71,7 +77,22 @@ JNIEXPORT jobject JNICALL Java_org_lwjgl_Sys_createDirectBuffer
JNIEXPORT jlong JNICALL Java_org_lwjgl_Sys_getTimerResolution
(JNIEnv * env, jclass clazz)
{
return 0L;
return hires_timer_freq;
}
long queryTime(void)
{
struct timeval tv;
if (gettimeofday(&tv, NULL) == -1)
{
#ifdef _DEBUG
printf("Could not read current time\n");
#endif
}
long result = tv.tv_sec * 1000000l + tv.tv_usec;
return result;
}
/*
@ -82,7 +103,9 @@ JNIEXPORT jlong JNICALL Java_org_lwjgl_Sys_getTimerResolution
JNIEXPORT jlong JNICALL Java_org_lwjgl_Sys_getTime
(JNIEnv * env, jclass clazz)
{
return 0L;
hires_timer = queryTime();
hires_timer -= hires_timer_start;
return hires_timer;
}
/*
@ -93,6 +116,10 @@ JNIEXPORT jlong JNICALL Java_org_lwjgl_Sys_getTime
JNIEXPORT void JNICALL Java_org_lwjgl_Sys_setTime
(JNIEnv * env, jclass clazz, jlong startTime)
{
hires_timer_start = queryTime();
// We don't have a real resolution so assume highest possible
hires_timer_freq = 1000000;
hires_timer_start -= startTime;
}
/*
@ -104,3 +131,19 @@ JNIEXPORT void JNICALL Java_org_lwjgl_Sys_setProcessPriority
(JNIEnv * env, jclass clazz, jint priority)
{
}
/*
* Class: org_lwjgl_Sys
* Method: alert
* Signature: (Ljava/lang/String;Ljava/lang/String;)V
*/
JNIEXPORT void JNICALL Java_org_lwjgl_Sys_alert(JNIEnv * env, jclass clazz, jstring title, jstring message)
{
jboolean copy = JNI_FALSE;
const char * eMessageText = env->GetStringUTFChars(message, &copy);
const char * cTitleBarText = env->GetStringUTFChars(title, &copy);
printf("*** Alert ***\n%s\n%s\n", cTitleBarText, eMessageText);
env->ReleaseStringUTFChars(message, eMessageText);
env->ReleaseStringUTFChars(title, cTitleBarText);
}