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Diffstat (limited to 'src/nativewindow/native/NativewindowCommon.c')
-rw-r--r--src/nativewindow/native/NativewindowCommon.c117
1 files changed, 86 insertions, 31 deletions
diff --git a/src/nativewindow/native/NativewindowCommon.c b/src/nativewindow/native/NativewindowCommon.c
index d2fdd5d69..e65f87272 100644
--- a/src/nativewindow/native/NativewindowCommon.c
+++ b/src/nativewindow/native/NativewindowCommon.c
@@ -1,21 +1,57 @@
#include "NativewindowCommon.h"
#include <string.h>
+#include <sys/time.h>
+
+// #define STDERR_TO_FILE 1
static const char * const ClazzNameRuntimeException = "java/lang/RuntimeException";
static jclass runtimeExceptionClz=NULL;
+static JavaVM *_jvmHandle = NULL;
+static int _jvmVersion = 0;
+
+int NativewindowCommon_init(JNIEnv *env) {
+ if(NULL==_jvmHandle) {
+ if(0 != (*env)->GetJavaVM(env, &_jvmHandle)) {
+ NativewindowCommon_FatalError(env, "Nativewindow: Can't fetch JavaVM handle");
+ } else {
+ _jvmVersion = (*env)->GetVersion(env);
+ }
+ jclass c = (*env)->FindClass(env, ClazzNameRuntimeException);
+ if(NULL==c) {
+ NativewindowCommon_FatalError(env, "Nativewindow: Can't find %s", ClazzNameRuntimeException);
+ }
+ runtimeExceptionClz = (jclass)(*env)->NewGlobalRef(env, c);
+ (*env)->DeleteLocalRef(env, c);
+ if(NULL==runtimeExceptionClz) {
+ NativewindowCommon_FatalError(env, "Nativewindow: Can't use %s", ClazzNameRuntimeException);
+ }
+ #ifdef STDERR_TO_FILE
+ FILE * old_stderr = stderr;
+ FILE * new_stderr = freopen("jogamp_stderr.log", "w", stderr);
+ fprintf(stderr, "STDERR_TO_FILE: %p -> %p\n", old_stderr, new_stderr);
+ #endif
+ return 1;
+ }
+ return 0;
+}
+
void NativewindowCommon_FatalError(JNIEnv *env, const char* msg, ...)
{
char buffer[512];
va_list ap;
- va_start(ap, msg);
- vsnprintf(buffer, sizeof(buffer), msg, ap);
- va_end(ap);
+ if( NULL != msg ) {
+ va_start(ap, msg);
+ vsnprintf(buffer, sizeof(buffer), msg, ap);
+ va_end(ap);
- fprintf(stderr, "%s\n", buffer);
- (*env)->FatalError(env, buffer);
+ fprintf(stderr, "%s\n", buffer);
+ if(NULL != env) {
+ (*env)->FatalError(env, buffer);
+ }
+ }
}
void NativewindowCommon_throwNewRuntimeException(JNIEnv *env, const char* msg, ...)
@@ -23,27 +59,20 @@ void NativewindowCommon_throwNewRuntimeException(JNIEnv *env, const char* msg, .
char buffer[512];
va_list ap;
- va_start(ap, msg);
- vsnprintf(buffer, sizeof(buffer), msg, ap);
- va_end(ap);
+ if(NULL==_jvmHandle) {
+ NativewindowCommon_FatalError(env, "Nativewindow: NULL JVM handle, call NativewindowCommon_init 1st\n");
+ return;
+ }
- (*env)->ThrowNew(env, runtimeExceptionClz, buffer);
-}
+ if( NULL != msg ) {
+ va_start(ap, msg);
+ vsnprintf(buffer, sizeof(buffer), msg, ap);
+ va_end(ap);
-int NativewindowCommon_init(JNIEnv *env) {
- if(NULL==runtimeExceptionClz) {
- jclass c = (*env)->FindClass(env, ClazzNameRuntimeException);
- if(NULL==c) {
- NativewindowCommon_FatalError(env, "Nativewindow: can't find %s", ClazzNameRuntimeException);
- }
- runtimeExceptionClz = (jclass)(*env)->NewGlobalRef(env, c);
- (*env)->DeleteLocalRef(env, c);
- if(NULL==runtimeExceptionClz) {
- NativewindowCommon_FatalError(env, "Nativewindow: can't use %s", ClazzNameRuntimeException);
+ if(NULL != env) {
+ (*env)->ThrowNew(env, runtimeExceptionClz, buffer);
}
- return 1;
}
- return 0;
}
const char * NativewindowCommon_GetStaticStringMethod(JNIEnv *jniEnv, jclass clazz, jmethodID jGetStrID, char *dest, int destSize, const char *altText) {
@@ -67,37 +96,63 @@ const char * NativewindowCommon_GetStaticStringMethod(JNIEnv *jniEnv, jclass cla
jchar* NativewindowCommon_GetNullTerminatedStringChars(JNIEnv* env, jstring str)
{
jchar* strChars = NULL;
- strChars = calloc((*env)->GetStringLength(env, str) + 1, sizeof(jchar));
- if (strChars != NULL) {
- (*env)->GetStringRegion(env, str, 0, (*env)->GetStringLength(env, str), strChars);
+ if( NULL != env && 0 != str ) {
+ strChars = calloc((*env)->GetStringLength(env, str) + 1, sizeof(jchar));
+ if (strChars != NULL) {
+ (*env)->GetStringRegion(env, str, 0, (*env)->GetStringLength(env, str), strChars);
+ }
}
return strChars;
}
-JNIEnv* NativewindowCommon_GetJNIEnv (JavaVM * jvmHandle, int jvmVersion, int * shallBeDetached) {
+JNIEnv* NativewindowCommon_GetJNIEnv (int asDaemon, int * shallBeDetached) {
JNIEnv* curEnv = NULL;
JNIEnv* newEnv = NULL;
int envRes;
+ if(NULL==_jvmHandle) {
+ fprintf(stderr, "Nativewindow GetJNIEnv: NULL JVM handle, call NativewindowCommon_init 1st\n");
+ return NULL;
+ }
+
// retrieve this thread's JNIEnv curEnv - or detect it's detached
- envRes = (*jvmHandle)->GetEnv(jvmHandle, (void **) &curEnv, jvmVersion) ;
+ envRes = (*_jvmHandle)->GetEnv(_jvmHandle, (void **) &curEnv, _jvmVersion) ;
if( JNI_EDETACHED == envRes ) {
// detached thread - attach to JVM
- if( JNI_OK != ( envRes = (*jvmHandle)->AttachCurrentThread(jvmHandle, (void**) &newEnv, NULL) ) ) {
- fprintf(stderr, "JNIEnv: can't attach thread: %d\n", envRes);
+ if( asDaemon ) {
+ envRes = (*_jvmHandle)->AttachCurrentThreadAsDaemon(_jvmHandle, (void**) &newEnv, NULL);
+ } else {
+ envRes = (*_jvmHandle)->AttachCurrentThread(_jvmHandle, (void**) &newEnv, NULL);
+ }
+ if( JNI_OK != envRes ) {
+ fprintf(stderr, "Nativewindow GetJNIEnv: Can't attach thread: %d\n", envRes);
return NULL;
}
curEnv = newEnv;
} else if( JNI_OK != envRes ) {
// oops ..
- fprintf(stderr, "can't GetEnv: %d\n", envRes);
+ fprintf(stderr, "Nativewindow GetJNIEnv: Can't GetEnv: %d\n", envRes);
return NULL;
}
if (curEnv==NULL) {
- fprintf(stderr, "env is NULL\n");
+ fprintf(stderr, "Nativewindow GetJNIEnv: env is NULL\n");
return NULL;
}
*shallBeDetached = NULL != newEnv;
return curEnv;
}
+void NativewindowCommon_ReleaseJNIEnv (int shallBeDetached) {
+ if(NULL == _jvmHandle) {
+ fprintf(stderr, "Nativewindow ReleaseJNIEnv: No JavaVM handle registered, call NativewindowCommon_init(..) 1st");
+ } else if(shallBeDetached) {
+ (*_jvmHandle)->DetachCurrentThread(_jvmHandle);
+ }
+}
+
+int64_t NativewindowCommon_CurrentTimeMillis() {
+ struct timeval tv;
+ gettimeofday(&tv,NULL);
+ return (int64_t)tv.tv_sec * 1000 + tv.tv_usec / 1000;
+}
+