// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetKernelInfo.html
func GetKernelInfo(ker Kernel, paramName KernelInfo, paramValueSize uint64, paramValue unsafe.Pointer, paramValueSizeRet *uint64) ErrorCode {
return ErrorCode(C.clGetKernelInfo(ker, C.cl_kernel_info(paramName), C.size_t(paramValueSize), paramValue, (*C.size_t)(paramValueSizeRet)))
}
func CLGetKernelInfo(kernel CL_kernel,
param_name CL_kernel_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.clGetKernelInfo(kernel.cl_kernel,
C.cl_kernel_info(param_name),
C.size_t(param_value_size),
nil,
&c_param_value_size_ret)
} else {
switch param_name {
case CL_KERNEL_FUNCTION_NAME,
CL_KERNEL_ATTRIBUTES:
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_NUM_ARGS,
CL_KERNEL_REFERENCE_COUNT:
var value C.cl_uint
c_errcode_ret = C.clGetKernelInfo(kernel.cl_kernel,
C.cl_kernel_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_uint(value)
case CL_KERNEL_CONTEXT:
var value C.cl_context
c_errcode_ret = C.clGetKernelInfo(kernel.cl_kernel,
C.cl_kernel_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_context{value}
case CL_KERNEL_PROGRAM:
var value C.cl_program
c_errcode_ret = C.clGetKernelInfo(kernel.cl_kernel,
C.cl_kernel_info(param_name),
C.size_t(param_value_size),
unsafe.Pointer(&value),
&c_param_value_size_ret)
*param_value = CL_program{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 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) NumArgs() (int, error) {
var num C.cl_uint
err := C.clGetKernelInfo(k.clKernel, C.CL_KERNEL_NUM_ARGS, C.size_t(unsafe.Sizeof(num)), unsafe.Pointer(&num), nil)
return int(num), toError(err)
}
func (k *Kernel) Program() (*Program, error) {
var program C.cl_program
err := C.clGetKernelInfo(k.clKernel, C.CL_KERNEL_PROGRAM, C.size_t(unsafe.Sizeof(program)), unsafe.Pointer(&program), nil)
return &Program{clProgram: program, devices: nil}, toError(err)
}
func (k *Kernel) Context() (*Context, error) {
var context C.cl_context
err := C.clGetKernelInfo(k.clKernel, C.CL_KERNEL_CONTEXT, C.size_t(unsafe.Sizeof(context)), unsafe.Pointer(&context), nil)
return &Context{clContext: context, devices: nil}, toError(err)
}
func (k *Kernel) Attributes() (string, error) {
var name C.char
err := C.clGetKernelInfo(k.clKernel, C.CL_KERNEL_ATTRIBUTES, C.size_t(unsafe.Sizeof(name)), unsafe.Pointer(&name), nil)
return C.GoString(&name), toError(err)
}
func (k *Kernel) FunctionName() (string, error) {
var name C.char
err := C.clGetKernelInfo(k.clKernel, C.CL_KERNEL_FUNCTION_NAME, C.size_t(unsafe.Sizeof(name)), unsafe.Pointer(&name), nil)
return C.GoString(&name), toError(err)
}
func (k *Kernel) ReferenceCount() (int, error) {
var num C.cl_uint
err := C.clGetKernelInfo(k.clKernel, C.CL_KERNEL_REFERENCE_COUNT, C.size_t(unsafe.Sizeof(num)), unsafe.Pointer(&num), nil)
return int(num), toError(err)
}