func (k *Kernel) ArgName(index int) (string, error) {
var strC [1024]byte
var strN C.size_t
// get the size of the string
if err := C.clGetKernelArgInfo(k.clKernel, C.cl_uint(index), C.CL_KERNEL_ARG_NAME, 8, nil, &strN); err != C.CL_SUCCESS {
return "", toError(err)
}
if err := C.clGetKernelArgInfo(k.clKernel, C.cl_uint(index), C.CL_KERNEL_ARG_NAME, strN, unsafe.Pointer(&strC[0]), &strN); err != C.CL_SUCCESS {
return "", toError(err)
}
return string(strC[:strN]), nil
}
func (k *Kernel) ArgTypeName(index int) (string, error) {
var strC [1024]byte
var strN C.size_t
if err := C.clGetKernelArgInfo(k.clKernel, C.cl_uint(index), C.CL_KERNEL_ARG_TYPE_NAME, 1024, unsafe.Pointer(&strC[0]), &strN); err != C.CL_SUCCESS {
return "", toError(err)
}
return string(strC[:strN]), nil
}
func (k *Kernel) ArgAccessQualifier(index int) (string, error) {
var val C.cl_kernel_arg_access_qualifier
var err C.cl_int
defer C.free(err)
if err = C.clGetKernelArgInfo(k.clKernel, C.cl_uint(index), C.CL_KERNEL_ARG_ACCESS_QUALIFIER, C.size_t(unsafe.Sizeof(val)), unsafe.Pointer(&val), nil); err != C.CL_SUCCESS {
return "", toError(err)
}
switch val {
default:
return "", toError(err)
case C.CL_KERNEL_ARG_ACCESS_READ_ONLY:
return "ReadOnly", nil
case C.CL_KERNEL_ARG_ACCESS_READ_WRITE:
return "ReadWrite", nil
case C.CL_KERNEL_ARG_ACCESS_WRITE_ONLY:
return "WriteOnly", nil
case C.CL_KERNEL_ARG_ACCESS_NONE:
return "None", nil
}
}
func (k *Kernel) ArgAddressQualifier(index int) (string, error) {
var val C.cl_kernel_arg_address_qualifier
var err C.cl_int
defer C.free(err)
if err = C.clGetKernelArgInfo(k.clKernel, C.cl_uint(index), C.CL_KERNEL_ARG_ADDRESS_QUALIFIER, C.size_t(unsafe.Sizeof(val)), unsafe.Pointer(&val), nil); err != C.CL_SUCCESS {
return "", toError(err)
}
switch val {
default:
return "", toError(err)
case C.CL_KERNEL_ARG_ADDRESS_GLOBAL:
return "Global", nil
case C.CL_KERNEL_ARG_ADDRESS_LOCAL:
return "Local", nil
case C.CL_KERNEL_ARG_ADDRESS_CONSTANT:
return "Constant", nil
case C.CL_KERNEL_ARG_ADDRESS_PRIVATE:
return "Private", nil
}
}
func CLGetKernelArgInfo(kernel CL_kernel,
arg_index CL_uint,
param_name CL_kernel_arg_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.clGetKernelArgInfo(kernel.cl_kernel,
C.cl_uint(arg_index),
C.cl_kernel_arg_info(param_name),
C.size_t(param_value_size),
nil,
&c_param_value_size_ret)
} else {
switch param_name {
case CL_KERNEL_ARG_ADDRESS_QUALIFIER:
var value C.cl_kernel_arg_address_qualifier
c_errcode_ret = C.clGetKernelArgInfo(kernel.cl_kernel,
C.cl_uint(arg_index),
C.cl_kernel_arg_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_kernel_arg_address_qualifier(value)
case CL_KERNEL_ARG_ACCESS_QUALIFIER:
var value C.cl_kernel_arg_access_qualifier
c_errcode_ret = C.clGetKernelArgInfo(kernel.cl_kernel,
C.cl_uint(arg_index),
C.cl_kernel_arg_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_kernel_arg_access_qualifier(value)
case CL_KERNEL_ARG_TYPE_NAME,
CL_KERNEL_ARG_NAME:
value := make([]C.char, param_value_size)
c_errcode_ret = C.clGetKernelInfo(kernel.cl_kernel,
C.cl_kernel_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value[0]),
&c_param_value_size_ret)
*param_value = C.GoStringN(&value[0], C.int(c_param_value_size_ret-1))
case CL_KERNEL_ARG_TYPE_QUALIFIER:
var value C.cl_kernel_arg_type_qualifier
c_errcode_ret = C.clGetKernelArgInfo(kernel.cl_kernel,
C.cl_uint(arg_index),
C.cl_kernel_arg_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_kernel_arg_type_qualifier(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)
}
}
func (k *Kernel) ArgTypeQualifier(index int) (C.cl_kernel_arg_type_qualifier, error) {
var val C.cl_kernel_arg_type_qualifier
err := C.clGetKernelArgInfo(k.clKernel, C.cl_uint(index), C.CL_KERNEL_ARG_TYPE_QUALIFIER, C.size_t(unsafe.Sizeof(val)), unsafe.Pointer(&val), nil)
return val, toError(err)
}