mapped_array map(const cl::CommandQueue &q) {
return mapped_array(
static_cast<T*>(
q.enqueueMapBuffer(
buffer, CL_TRUE, CL_MAP_READ | CL_MAP_WRITE,
0, size() * sizeof(T)
)
),
buffer_unmapper(q, buffer)
);
}
mapped_array map(boost::compute::command_queue q) const {
return mapped_array(
static_cast<T*>(
q.enqueue_map_buffer(
buffer, CL_MAP_READ,
0, size() * sizeof(T)
)
),
buffer_unmapper(q, buffer)
);
}
/**
* \note The host memory gets unmapped automatically when the returned
* pointer goes out of scope.
*/
mapped_array map(const command_queue &q) {
mapped_array ptr(new T[n], buffer_unmapper(q, *this));
read(q, 0, n, ptr.get(), true);
return ptr;
}