func CLCreateKernelsInProgram(program CL_program,
num_kernels CL_uint,
kernels []CL_kernel,
num_kernels_ret *CL_uint) CL_int {
if (num_kernels == 0 && kernels != nil) || (num_kernels_ret == nil && kernels == nil) {
return CL_INVALID_VALUE
} else {
var c_num_kernels_ret C.cl_uint
var c_errcode_ret C.cl_int
if kernels == nil {
c_errcode_ret = C.clCreateKernelsInProgram(program.cl_program,
C.cl_uint(num_kernels),
nil,
&c_num_kernels_ret)
} else {
c_kernels := make([]C.cl_kernel, len(kernels))
c_errcode_ret = C.clCreateKernelsInProgram(program.cl_program,
C.cl_uint(num_kernels),
&c_kernels[0],
&c_num_kernels_ret)
if c_errcode_ret == C.CL_SUCCESS {
for i := 0; i < len(kernels); i++ {
kernels[i].cl_kernel = c_kernels[i]
}
}
}
if num_kernels_ret != nil {
*num_kernels_ret = CL_uint(c_num_kernels_ret)
}
return CL_int(c_errcode_ret)
}
}
func (p *Program) CreateKernelsInProgram() ([]*Kernel, error) {
var num_kerns C.cl_uint
err := C.clCreateKernelsInProgram(p.clProgram, 1, nil, &num_kerns)
if toError(err) != nil {
fmt.Printf("Error getting number of kernels to create \n")
return nil, toError(err)
}
kernel_list := make([]C.cl_kernel, int(num_kerns))
err = C.clCreateKernelsInProgram(p.clProgram, num_kerns, &kernel_list[0], nil)
if toError(err) != nil {
fmt.Printf("Error creating kernels \n")
return nil, toError(err)
}
returnKerns := make([]*Kernel, len(kernel_list))
for i, kptr := range kernel_list {
testKern := &Kernel{clKernel: kptr, name: ""}
kname, errK := testKern.FunctionName()
if errK == nil {
returnKerns[i].clKernel = kptr
returnKerns[i].name = kname
} else {
fmt.Printf("Error getting information about kernel %d \n", i)
returnKerns[i] = nil
}
}
return returnKerns, nil
}
// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateKernelsInProgram.html
func CreateKernelsInProgram(prog Program, numKernels uint32, kernels *Kernel, numKernelsRet *uint32) ErrorCode {
return ErrorCode(C.clCreateKernelsInProgram(prog, C.cl_uint(numKernels), (*C.cl_kernel)(unsafe.Pointer(kernels)), (*C.cl_uint)(unsafe.Pointer(numKernelsRet))))
}