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/*
void checkStatus(const char* msg, int status) {
if (status != CL_SUCCESS) {
printf("%s; error: %d \n", msg, status);
exit(EXIT_FAILURE);
}
}
*/
JavaVM * jvm;
jmethodID bcb_mid;
jmethodID cccb_mid;
JNIEXPORT jint JNICALL
JNI_OnLoad(JavaVM * _jvm, void *reserved) {
JNIEnv *env;
jvm = _jvm;
if ((*jvm)->GetEnv(_jvm, (void **)&env, JNI_VERSION_1_2)) {
return JNI_ERR;
}
// throws ClassNotFoundException (or other reflection stuff)
jclass buildCBClassID = (*env)->FindClass(env, "com/jogamp/opencl/impl/BuildProgramCallback");
jclass errorHandlerClassID = (*env)->FindClass(env, "com/jogamp/opencl/CreateContextCallback");
// throws even more reflection Exceptions
// IDs are unique and do not change
if (buildCBClassID != NULL) {
bcb_mid = (*env)->GetMethodID(env, buildCBClassID, "buildFinished", "(J)V");
}
if (errorHandlerClassID != NULL) {
cccb_mid = (*env)->GetMethodID(env, errorHandlerClassID, "onError", "(Ljava/lang/String;Ljava/nio/ByteBuffer;J)V");
}
return JNI_VERSION_1_2;
}
void buildProgramCallback(cl_program id, void * object) {
JNIEnv *env;
jobject obj = (jobject)object;
(*jvm)->AttachCurrentThread(jvm, (void **)&env, NULL);
(*env)->CallVoidMethod(env, obj, bcb_mid, (jlong)id);
(*env)->DeleteGlobalRef(env, obj);
}
void createContextCallback(const char * errinfo, const void * private_info, size_t cb, void * object) {
JNIEnv *env;
jobject obj = (jobject)object;
(*jvm)->AttachCurrentThread(jvm, (void **)&env, NULL);
jstring errorString = (*env)->NewStringUTF(env, errinfo);
//TODO private_info
(*env)->CallVoidMethod(env, obj, cccb_mid, errorString, NULL, 0);
//(*env)->DeleteGlobalRef(env, obj);
}
/* Java->C glue code:
* Java package: com.jogamp.opencl.impl.CLImpl
* Java method: long clCreateContextFromType(java.nio.IntBuffer props, long device_type, CreateContextCallback pfn_notify, Object userData, IntBuffer errcode_ret)
* C function: cl_context clCreateContextFromType( cl_context_properties * properties ,
* cl_uint num_devices ,
* const cl_device_id * devices ,
* void (*pfn_notify)(const char *, const void *, size_t, void *) pfn_notify/,
* void * user_data ,
* cl_int * errcode_ret );
*/
JNIEXPORT jlong JNICALL
Java_com_jogamp_opencl_impl_CLImpl_clCreateContextFromType0(JNIEnv *env, jobject _unused,
jobject props, jint props_byte_offset, jobject device_type, jobject cb, jobject errcode, jint errcode_byte_offset) {
cl_context_properties* _props_ptr = NULL;
int32_t * _errcode_ptr = NULL;
cl_context _ctx = NULL;
void (*pfn_notify)(const char *errinfo, const void *private_info, size_t cb, void *user_data) = NULL;
jobject globalCB = NULL;
if (props != NULL) {
_props_ptr = (cl_context_properties*) (((char*) (*env)->GetDirectBufferAddress(env, props)) + props_byte_offset);
}
if (errcode != NULL) {
_errcode_ptr = (void *) (((char*) (*env)->GetDirectBufferAddress(env, errcode)) + errcode_byte_offset);
}
if (cb != NULL) {
pfn_notify = &createContextCallback;
globalCB = (*env)->NewGlobalRef(env, cb);
}
_ctx = clCreateContextFromType(_props_ptr, (uint64_t) device_type, pfn_notify, globalCB, (int32_t *) _errcode_ptr);
// if something went wrong
if (_ctx == NULL && globalCB != NULL) {
(*env)->DeleteGlobalRef(env, globalCB);
}
return (jlong) (intptr_t)_ctx;
}
/*
* Entry point to C language function:
*extern CL_API_ENTRY cl_context CL_API_CALL
*clCreateContext(cl_context_properties * properties ,
* cl_uint num_devices ,
* const cl_device_id * devices ,
* void (*pfn_notify)(const char *, const void *, size_t, void *) pfn_notify ,
* void * user_data ,
* cl_int * errcode_ret ) CL_API_SUFFIX__VERSION_1_0;
*/
JNIEXPORT jlong JNICALL
Java_com_jogamp_opencl_impl_CLImpl_clCreateContext0(JNIEnv *env, jobject _unused,
jobject props, jint props_byte_offset, jint numDevices, jobject deviceList, jint device_type_offset, jobject cb, jobject errcode, jint errcode_byte_offset) {
cl_context_properties* _props_ptr = NULL;
int32_t * _errcode_ptr = NULL;
size_t * _deviceListPtr = NULL;
cl_context _ctx = NULL;
void (*pfn_notify)(const char *errinfo, const void *private_info, size_t cb, void *user_data) = NULL;
jobject globalCB = NULL;
if (props != NULL) {
_props_ptr = (cl_context_properties*) (((char*) (*env)->GetDirectBufferAddress(env, props)) + props_byte_offset);
}
if (deviceList != NULL) {
_deviceListPtr = (void *) (((char*) (*env)->GetDirectBufferAddress(env, deviceList)) + device_type_offset);
}
if (errcode != NULL) {
_errcode_ptr = (void *) (((char*) (*env)->GetDirectBufferAddress(env, errcode)) + errcode_byte_offset);
}
if (cb != NULL) {
pfn_notify = &createContextCallback;
globalCB = (*env)->NewGlobalRef(env, cb);
}
_ctx = clCreateContext(_props_ptr, numDevices, (cl_device_id *)_deviceListPtr, pfn_notify, globalCB, (int32_t *) _errcode_ptr);
// if something went wrong
if (_ctx == NULL && globalCB != NULL) {
(*env)->DeleteGlobalRef(env, globalCB);
}
return (jlong) (intptr_t)_ctx;
}
/**
* Entry point to C language function:
* extern CL_API_ENTRY cl_int CL_API_CALL
*clBuildProgram(cl_program program ,
* cl_uint num_devices ,
* const cl_device_id * device_list ,
* const char * options ,
* void (*pfn_notify)(cl_program program , void * user_data ),
* void * user_data ) CL_API_SUFFIX__VERSION_1_0;
*/
JNIEXPORT jint JNICALL
Java_com_jogamp_opencl_impl_CLImpl_clBuildProgram0(JNIEnv *env, jobject _unused,
jlong program, jint deviceCount, jobject deviceList, jint device_type_offset, jstring options, jobject cb) {
const char* _strchars_options = NULL;
cl_int _res;
size_t * _deviceListPtr = NULL;
void (*pfn_notify)(cl_program, void *user_data) = NULL;
jobject globalCB = NULL;
if (options != NULL) {
_strchars_options = (*env)->GetStringUTFChars(env, options, (jboolean*)NULL);
if (_strchars_options == NULL) {
(*env)->ThrowNew(env, (*env)->FindClass(env, "java/lang/OutOfMemoryError"),
"Failed to get UTF-8 chars for argument \"options\" in native dispatcher for \"clBuildProgram\"");
return CL_FALSE;
}
}
if (deviceList != NULL) {
_deviceListPtr = (void *) (((char*) (*env)->GetDirectBufferAddress(env, deviceList)) + device_type_offset);
}
if (cb != NULL) {
pfn_notify = &buildProgramCallback;
globalCB = (*env)->NewGlobalRef(env, cb);
}
_res = clBuildProgram((cl_program)program, (cl_uint)deviceCount, (cl_device_id *)_deviceListPtr, _strchars_options, pfn_notify, globalCB);
// if something went wrong
if(_res != CL_SUCCESS && globalCB != NULL) {
(*env)->DeleteGlobalRef(env, globalCB);
}
if (options != NULL) {
(*env)->ReleaseStringUTFChars(env, options, _strchars_options);
}
return (jint)_res;
}
/* Java->C glue code:
* Java package: com.jogamp.opencl.impl.CLImpl
* Java method: java.nio.ByteBuffer clEnqueueMapImage(long command_queue, long image, int blocking_map, long map_flags, com.jogamp.gluegen.runtime.PointerBuffer origin, com.jogamp.gluegen.runtime.PointerBuffer range, com.jogamp.gluegen.runtime.PointerBuffer image_row_pitch, com.jogamp.gluegen.runtime.PointerBuffer image_slice_pitch, int num_events_in_wait_list, com.jogamp.gluegen.runtime.PointerBuffer event_wait_list, com.jogamp.gluegen.runtime.PointerBuffer event, java.nio.IntBuffer errcode_ret)
* C function: void * clEnqueueMapImage(cl_command_queue command_queue, cl_mem image, uint32_t blocking_map, uint64_t map_flags, const size_t * , const size_t * , size_t * image_row_pitch, size_t * image_slice_pitch, uint32_t num_events_in_wait_list, cl_event * event_wait_list, cl_event * event, int32_t * errcode_ret);
*/
JNIEXPORT jobject JNICALL
Java_com_jogamp_opencl_impl_CLImpl_clEnqueueMapImage0__JJIJLjava_lang_Object_2ILjava_lang_Object_2ILjava_lang_Object_2ILjava_lang_Object_2IILjava_lang_Object_2ILjava_lang_Object_2ILjava_lang_Object_2I(JNIEnv *env, jobject _unused, jlong command_queue, jlong image, jint blocking_map, jlong map_flags, jobject origin, jint origin_byte_offset, jobject range, jint range_byte_offset, jobject image_row_pitch, jint image_row_pitch_byte_offset, jobject image_slice_pitch, jint image_slice_pitch_byte_offset, jint num_events_in_wait_list, jobject event_wait_list, jint event_wait_list_byte_offset, jobject event, jint event_byte_offset, jobject errcode_ret, jint errcode_ret_byte_offset) {
size_t * _origin_ptr = NULL;
size_t * _range_ptr = NULL;
size_t * _image_row_pitch_ptr = NULL;
size_t * _image_slice_pitch_ptr = NULL;
cl_event * _event_wait_list_ptr = NULL;
cl_event * _event_ptr = NULL;
int32_t * _errcode_ret_ptr = NULL;
size_t * elements = NULL;
size_t * depth = NULL;
size_t pixels;
cl_int status;
void * _res;
if (origin != NULL) {
_origin_ptr = (size_t *) (((char*) (*env)->GetDirectBufferAddress(env, origin)) + origin_byte_offset);
}
if (range != NULL) {
_range_ptr = (size_t *) (((char*) (*env)->GetDirectBufferAddress(env, range)) + range_byte_offset);
}
if (image_row_pitch != NULL) {
_image_row_pitch_ptr = (size_t *) (((char*) (*env)->GetDirectBufferAddress(env, image_row_pitch)) + image_row_pitch_byte_offset);
}
if (image_slice_pitch != NULL) {
_image_slice_pitch_ptr = (size_t *) (((char*) (*env)->GetDirectBufferAddress(env, image_slice_pitch)) + image_slice_pitch_byte_offset);
}
if (event_wait_list != NULL) {
_event_wait_list_ptr = (cl_event *) (((char*) (*env)->GetDirectBufferAddress(env, event_wait_list)) + event_wait_list_byte_offset);
}
if (event != NULL) {
_event_ptr = (cl_event *) (((char*) (*env)->GetDirectBufferAddress(env, event)) + event_byte_offset);
}
if (errcode_ret != NULL) {
_errcode_ret_ptr = (int32_t *) (((char*) (*env)->GetDirectBufferAddress(env, errcode_ret)) + errcode_ret_byte_offset);
}
_res = clEnqueueMapImage((cl_command_queue) (intptr_t) command_queue, (cl_mem) (intptr_t) image, (uint32_t) blocking_map, (uint64_t) map_flags, (size_t *) _origin_ptr, (size_t *) _range_ptr, (size_t *) _image_row_pitch_ptr, (size_t *) _image_slice_pitch_ptr, (uint32_t) num_events_in_wait_list, (cl_event *) _event_wait_list_ptr, (cl_event *) _event_ptr, (int32_t *) _errcode_ret_ptr);
if (_res == NULL) return NULL;
// calculate buffer size
status = clGetImageInfo((cl_mem) (intptr_t) image, CL_IMAGE_ELEMENT_SIZE, sizeof(size_t), (void *) elements, NULL);
status |= clGetImageInfo((cl_mem) (intptr_t) image, CL_IMAGE_DEPTH, sizeof(size_t), (void *) depth, NULL);
if(status != CL_SUCCESS) return NULL;
if(*depth == 0) { // 2D
pixels = (*_image_row_pitch_ptr) * _range_ptr[1] + _range_ptr[0];
}else{ // 3D
pixels = (*_image_slice_pitch_ptr) * _range_ptr[2]
+ (*_image_row_pitch_ptr) * _range_ptr[1] + _range_ptr[0];
}
return (*env)->NewDirectByteBuffer(env, _res, pixels * (*elements));
}
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