JNIEXPORT jint JNICALL Java_org_lwjgl_opencl_CL20_nclEnqueueSVMMap(JNIEnv *__env, jclass clazz, jlong command_queueAddress, jint blocking_map, jlong map_flags, jlong svm_ptrAddress, jlong size, jint num_events_in_wait_list, jlong event_wait_listAddress, jlong eventAddress, jlong __functionAddress) {
cl_command_queue command_queue = (cl_command_queue)(intptr_t)command_queueAddress;
void *svm_ptr = (void *)(intptr_t)svm_ptrAddress;
const cl_event *event_wait_list = (const cl_event *)(intptr_t)event_wait_listAddress;
cl_event *event = (cl_event *)(intptr_t)eventAddress;
clEnqueueSVMMapPROC clEnqueueSVMMap = (clEnqueueSVMMapPROC)(intptr_t)__functionAddress;
UNUSED_PARAMS(__env, clazz)
return (jint)clEnqueueSVMMap(command_queue, blocking_map, map_flags, svm_ptr, (size_t)size, num_events_in_wait_list, event_wait_list, event);
}
/// Enqueues a command to map \p svm_ptr to the host memory space.
///
/// \opencl_version_warning{2,0}
///
/// \see_opencl2_ref{clEnqueueSVMMap}
void enqueue_svm_map(void *svm_ptr,
size_t size,
cl_map_flags flags,
const wait_list &events = wait_list())
{
cl_int ret = clEnqueueSVMMap(
m_queue,
CL_TRUE,
flags,
svm_ptr,
size,
events.size(),
events.get_event_ptr(),
0
);
if(ret != CL_SUCCESS){
BOOST_THROW_EXCEPTION(opencl_error(ret));
}
}
/**
* This returns a smart pointer that will be unmapped automatically
* upon destruction */
mapped_pointer map(cl_map_flags map_flags = CL_MAP_READ | CL_MAP_WRITE) {
cl_int ret = clEnqueueSVMMap(q(), CL_TRUE, map_flags, p, n * sizeof(T), 0, NULL, NULL);
if (ret != CL_SUCCESS) throw cl::Error(ret, "clEnqueueSVMUnmap");
return mapped_pointer(p, unmapper(q));
}
