static void CL_CALLBACK nativeKernelCallback(void *args) {
JNIEnv *env = attachCurrentThread();
jobject user_func = (jobject)(intptr_t)*(jlong *)args;
jsize num_mem_objects = *(jsize *)((char *)args + 8);
jobjectArray memobjs = NULL;
jobject buffer;
jsize i;
if ( env != NULL && !(*env)->ExceptionOccurred(env) && nativeKernelCallbackJ != NULL ) {
if ( num_mem_objects > 0 ) {
memobjs = (*env)->NewObjectArray(env, num_mem_objects, (*env)->FindClass(env, "java/nio/ByteBuffer"), NULL);
for ( i = 0; i < num_mem_objects; i++ ) {
buffer = (*env)->NewDirectByteBuffer(env,
// Pointer to cl_mem buffer
(void *)((char *)args + (12 + 4 + (i * (4 + sizeof(void *))))),
// cl_mem buffer size
*((jint *)((char *)args + (12 + (i * (4 + sizeof(void *))))))
);
(*env)->SetObjectArrayElement(env, memobjs, i, buffer);
}
}
(*env)->CallVoidMethod(env, user_func, nativeKernelCallbackJ, memobjs);
if ( num_mem_objects > 0 )
(*env)->DeleteLocalRef(env, memobjs);
(*env)->DeleteGlobalRef(env, user_func);
}
detachCurrentThread();
}
static void CL_CALLBACK CLContextCallbackFunction(
const char *errinfo,
const void *private_info,
size_t cb,
void *user_data
) {
jobject callback;
JNIEnv *env = getThreadEnv();
jboolean async = env == NULL;
if ( async ) {
env = attachCurrentThread();
if ( env == NULL )
return;
}
// user_data is a weak global reference
callback = (*env)->NewLocalRef(env, (jweak)user_data);
if ( callback != NULL ) {
(*env)->CallVoidMethod(env, callback, CLContextCallbackMethod,
(jlong)(intptr_t)errinfo,
(jlong)(intptr_t)private_info,
(jlong)cb
);
(*env)->DeleteLocalRef(env, callback);
}
if ( async )
detachCurrentThread();
}
static void CL_CALLBACK printfCallback(cl_context context, cl_uint printf_data_len, char *printf_data_ptr, void *user_data) {
JNIEnv *env = attachCurrentThread();
if ( env != NULL && !(*env)->ExceptionOccurred(env) && printfCallbackJ != NULL ) {
(*env)->CallVoidMethod(env, (jobject)user_data, printfCallbackJ,
NewStringNativeWithLength(env, printf_data_ptr, printf_data_len)
);
}
detachCurrentThread();
}
static void CL_CALLBACK memObjectDestructorCallback(cl_mem memobj, void *user_data) {
JNIEnv *env = attachCurrentThread();
if ( env != NULL && !(*env)->ExceptionOccurred(env) && memObjectDestructorCallbackJ != NULL ) {
(*env)->CallVoidMethod(env, (jobject)user_data, memObjectDestructorCallbackJ,
(jlong)(intptr_t)memobj
);
(*env)->DeleteGlobalRef(env, (jobject)user_data);
}
detachCurrentThread();
}
static void CL_CALLBACK programCallback(cl_program program, void *user_data) {
JNIEnv *env = attachCurrentThread();
if ( env != NULL && !(*env)->ExceptionOccurred(env) && programCallbackJ != NULL ) {
(*env)->CallVoidMethod(env, (jobject)user_data, programCallbackJ,
(jlong)(intptr_t)program
);
(*env)->DeleteGlobalRef(env, (jobject)user_data);
}
detachCurrentThread();
}
static void CL_CALLBACK eventCallback(cl_event event, cl_int event_command_exec_status, void *user_data) {
JNIEnv *env = attachCurrentThread();
if ( env != NULL && !(*env)->ExceptionOccurred(env) && eventCallbackJ != NULL ) {
(*env)->CallVoidMethod(env, (jobject)user_data, eventCallbackJ,
(jlong)(intptr_t)event,
event_command_exec_status
);
(*env)->DeleteGlobalRef(env, (jobject)user_data);
}
detachCurrentThread();
}
static void APIENTRY debugOutputCallbackAMD(GLuint id, GLenum category, GLenum severity, GLsizei length, const GLchar* message, GLvoid* userParam) {
JNIEnv *env = attachCurrentThread();
if ( env != NULL && !(*env)->ExceptionOccurred(env) && debugOutputCallbackAMDJ != NULL ) {
(*env)->CallVoidMethod(env, (jobject)userParam, debugOutputCallbackAMDJ,
(jint)id,
(jint)category,
(jint)severity,
NewStringNativeWithLength(env, message, length)
);
}
detachCurrentThread();
}
static void CL_CALLBACK contextCallback(const char *errinfo, const void *private_info, size_t cb, void *user_data) {
JNIEnv *env = attachCurrentThread();
jobject private_info_buffer = NULL;
if ( env != NULL && !(*env)->ExceptionOccurred(env) && contextCallbackJ != NULL ) {
if ( private_info != NULL )
private_info_buffer = NewReadOnlyDirectByteBuffer(env, private_info, cb);
(*env)->CallVoidMethod(env, (jobject)user_data, contextCallbackJ,
NewStringNativeWithLength(env, errinfo, (jsize)strlen(errinfo)),
private_info_buffer
);
}
detachCurrentThread();
}
static void APIENTRY DEBUGPROCAMDFunction(GLuint id, GLenum category, GLenum severity, GLsizei length, const GLchar* message, GLvoid* userParam) {
JNIEnv *env = (getThreadEnv());
jboolean async = (env == NULL);
if ( async ) {
env = attachCurrentThread();
if ( env == NULL )
return;
}
(*env)->CallVoidMethod(env, (jobject)userParam, DEBUGPROCAMDMethod,
(jint)id,
(jint)category,
(jint)severity,
(jint)length,
(jlong)(intptr_t)message
);
if ( async )
detachCurrentThread();
}
