func (q *CommandQueue) GetQueueDevice() (*Device, error) {
if q.clQueue != nil {
var outDevice C.cl_device_id
err := C.clGetCommandQueueInfo(q.clQueue, C.CL_QUEUE_DEVICE, C.size_t(unsafe.Sizeof(outDevice)), unsafe.Pointer(&outDevice), nil)
return &Device{id: outDevice}, toError(err)
}
return nil, toError(C.CL_INVALID_COMMAND_QUEUE)
}
func (q *CommandQueue) GetQueueContext() (*Context, error) {
if q.clQueue != nil {
var outContext C.cl_context
err := C.clGetCommandQueueInfo(q.clQueue, C.CL_QUEUE_CONTEXT, C.size_t(unsafe.Sizeof(outContext)), unsafe.Pointer(&outContext), nil)
return &Context{clContext: outContext, devices: nil}, toError(err)
}
return nil, toError(C.CL_INVALID_COMMAND_QUEUE)
}
func (q *CommandQueue) GetQueueProperties() (CommandQueueProperty, error) {
if q.clQueue != nil {
var outVar CommandQueueProperty
err := C.clGetCommandQueueInfo(q.clQueue, C.CL_QUEUE_PROPERTIES, C.size_t(unsafe.Sizeof(outVar)), unsafe.Pointer(&outVar), nil)
return outVar, toError(err)
}
return 0, toError(C.CL_INVALID_COMMAND_QUEUE)
}
func (q *CommandQueue) GetQueueReferenceCount() (CLUint, error) {
if q.clQueue != nil {
var outCount C.cl_uint
err := C.clGetCommandQueueInfo(q.clQueue, C.CL_QUEUE_REFERENCE_COUNT, C.size_t(unsafe.Sizeof(outCount)), unsafe.Pointer(&outCount), nil)
return CLUint(outCount), toError(err)
}
return 0, toError(C.CL_INVALID_COMMAND_QUEUE)
}
func CLGetCommandQueueInfo(command_queue CL_command_queue,
param_name CL_command_queue_info,
param_value_size CL_size_t,
param_value *interface{},
param_value_size_ret *CL_size_t) CL_int {
if (param_value_size == 0 || param_value == nil) && param_value_size_ret == nil {
return CL_INVALID_VALUE
} else {
var c_param_value_size_ret C.size_t
var c_errcode_ret C.cl_int
if param_value_size == 0 || param_value == nil {
c_errcode_ret = C.clGetCommandQueueInfo(command_queue.cl_command_queue,
C.cl_command_queue_info(param_name),
C.size_t(param_value_size),
nil,
&c_param_value_size_ret)
} else {
switch param_name {
case CL_QUEUE_CONTEXT:
var value C.cl_context
c_errcode_ret = C.clGetCommandQueueInfo(command_queue.cl_command_queue,
C.cl_command_queue_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_context{value}
case CL_QUEUE_DEVICE:
var value C.cl_device_id
c_errcode_ret = C.clGetCommandQueueInfo(command_queue.cl_command_queue,
C.cl_command_queue_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_device_id{value}
case CL_QUEUE_REFERENCE_COUNT,
CL_QUEUE_SIZE:
var value C.cl_uint
c_errcode_ret = C.clGetCommandQueueInfo(command_queue.cl_command_queue,
C.cl_command_queue_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_uint(value)
case CL_QUEUE_PROPERTIES:
var value C.cl_command_queue_properties
c_errcode_ret = C.clGetCommandQueueInfo(command_queue.cl_command_queue,
C.cl_command_queue_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_command_queue_properties(value)
default:
return CL_INVALID_VALUE
}
}
if param_value_size_ret != nil {
*param_value_size_ret = CL_size_t(c_param_value_size_ret)
}
return CL_int(c_errcode_ret)
}
}
// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetCommandQueueInfo.html
func GetCommandQueueInfo(cq CommandQueue, paramName CommandQueueInfo, paramValueSize uint64, data unsafe.Pointer, paramValueSizeRet *uint64) ErrorCode {
return ErrorCode(C.clGetCommandQueueInfo(cq, C.cl_command_queue_info(paramName), C.size_t(paramValueSize), data, (*C.size_t)(paramValueSizeRet)))
}