// Enqueue command to write to a region in buffer object from host memory.
func (q *CommandQueue) EnqueueCopyBufferRect(dst, src *MemObject, dst_origin, src_origin, region *Dim3, dst_row_pitch, dst_slice_pitch, src_row_pitch, src_slice_pitch int, eventWaitList []*Event) (*Event, error) {
var event C.cl_event
dst_offset := make([]C.size_t, 3)
defer C.free(dst_offset)
dst_offset[0], dst_offset[1], dst_offset[2] = (C.size_t)(dst_origin.X), (C.size_t)(dst_origin.Y), (C.size_t)(dst_origin.Z)
src_offset := make([]C.size_t, 3)
defer C.free(src_offset)
src_offset[0], src_offset[1], src_offset[2] = (C.size_t)(src_origin.X), (C.size_t)(src_origin.Y), (C.size_t)(src_origin.Z)
mem_size := make([]C.size_t, 3)
defer C.free(mem_size)
mem_size[0], mem_size[1], mem_size[2] = (C.size_t)(region.X), (C.size_t)(region.Y), (C.size_t)(region.Z)
err := toError(C.clEnqueueCopyBufferRect(q.clQueue, src.clMem, dst.clMem, &src_offset[0], &dst_offset[0], &mem_size[0],
(C.size_t)(src_row_pitch), (C.size_t)(src_slice_pitch), (C.size_t)(dst_row_pitch), (C.size_t)(dst_slice_pitch),
C.cl_uint(len(eventWaitList)), eventListPtr(eventWaitList), &event))
return newEvent(event), err
}
func CLEnqueueCopyBufferRect(command_queue CL_command_queue,
src_buffer CL_mem,
dst_buffer CL_mem,
src_origin [3]CL_size_t,
dst_origin [3]CL_size_t,
region [3]CL_size_t,
src_row_pitch CL_size_t,
src_slice_pitch CL_size_t,
dst_row_pitch CL_size_t,
dst_slice_pitch CL_size_t,
num_events_in_wait_list CL_uint,
event_wait_list []CL_event,
event *CL_event) CL_int {
if (num_events_in_wait_list == 0 && event_wait_list != nil) ||
(num_events_in_wait_list != 0 && event_wait_list == nil) ||
int(num_events_in_wait_list) != len(event_wait_list) {
return CL_INVALID_EVENT_WAIT_LIST
}
var c_src_origin [3]C.size_t
var c_dst_origin [3]C.size_t
var c_region [3]C.size_t
for i := 0; i < 3; i++ {
c_src_origin[i] = C.size_t(src_origin[i])
c_dst_origin[i] = C.size_t(dst_origin[i])
c_region[i] = C.size_t(region[i])
}
var c_event C.cl_event
var c_errcode_ret C.cl_int
if num_events_in_wait_list != 0 {
var c_event_wait_list []C.cl_event
c_event_wait_list = make([]C.cl_event, num_events_in_wait_list)
for i := 0; i < int(num_events_in_wait_list); i++ {
c_event_wait_list[i] = event_wait_list[i].cl_event
}
c_errcode_ret = C.clEnqueueCopyBufferRect(command_queue.cl_command_queue,
src_buffer.cl_mem,
dst_buffer.cl_mem,
&c_src_origin[0],
&c_dst_origin[0],
&c_region[0],
C.size_t(src_row_pitch),
C.size_t(src_slice_pitch),
C.size_t(dst_row_pitch),
C.size_t(dst_slice_pitch),
C.cl_uint(num_events_in_wait_list),
&c_event_wait_list[0],
&c_event)
} else {
c_errcode_ret = C.clEnqueueCopyBufferRect(command_queue.cl_command_queue,
src_buffer.cl_mem,
dst_buffer.cl_mem,
&c_src_origin[0],
&c_dst_origin[0],
&c_region[0],
C.size_t(src_row_pitch),
C.size_t(src_slice_pitch),
C.size_t(dst_row_pitch),
C.size_t(dst_slice_pitch),
0,
nil,
&c_event)
}
if event != nil {
event.cl_event = c_event
}
return CL_int(c_errcode_ret)
}
