func CLEnqueueCopyImageToBuffer(command_queue CL_command_queue,
src_image CL_mem,
dst_buffer CL_mem,
src_origin [3]CL_size_t,
region [3]CL_size_t,
dst_offset 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_origin, c_region [3]C.size_t
var c_event C.cl_event
var c_errcode_ret C.cl_int
for i := 0; i < 3; i++ {
c_origin[i] = C.size_t(src_origin[i])
c_region[i] = C.size_t(region[i])
}
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.clEnqueueCopyImageToBuffer(command_queue.cl_command_queue,
src_image.cl_mem,
dst_buffer.cl_mem,
&c_origin[0],
&c_region[0],
C.size_t(dst_offset),
C.cl_uint(num_events_in_wait_list),
&c_event_wait_list[0],
&c_event)
} else {
c_errcode_ret = C.clEnqueueCopyImageToBuffer(command_queue.cl_command_queue,
src_image.cl_mem,
dst_buffer.cl_mem,
&c_origin[0],
&c_region[0],
C.size_t(dst_offset),
0,
nil,
&c_event)
}
if event != nil {
event.cl_event = c_event
}
return CL_int(c_errcode_ret)
}
// Enqueues a command to copy from a 2D or 3D image object to buffer memory.
func (q *CommandQueue) EnqueueCopyImageToBuffer(dst, src *MemObject, src_origin, region [3]int, dst_offset int, eventWaitList []*Event) (*Event, error) {
sOrigin := sizeT3(src_origin)
cRegion := sizeT3(region)
var event C.cl_event
err := toError(C.clEnqueueCopyImageToBuffer(q.clQueue, src.clMem, dst.clMem, &sOrigin[0], &cRegion[0], C.size_t(dst_offset), C.cl_uint(len(eventWaitList)), eventListPtr(eventWaitList), &event))
return newEvent(event), err
}
// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyImageToBuffer.html
func EnqueueCopyImageToBuffer(cq CommandQueue, src_image Mem, dst_buffer Mem, src_origin3 *uint64, region3 *uint64, dst_offset uint64, num_events_in_wait_list uint32, event_wait_list *Event, event *Event) ErrorCode {
return ErrorCode(C.clEnqueueCopyImageToBuffer(cq, src_image, dst_buffer, (*C.size_t)(unsafe.Pointer(src_origin3)), (*C.size_t)(unsafe.Pointer(region3)), C.size_t(dst_offset), C.cl_uint(num_events_in_wait_list), (*C.cl_event)(unsafe.Pointer(event_wait_list)), (*C.cl_event)(unsafe.Pointer(event))))
}