func (ctx *Context) CreateBufferUnsafe(flags MemFlag, size int, dataPtr unsafe.Pointer) (*MemObject, error) {
var err C.cl_int
clBuffer := C.clCreateBuffer(ctx.clContext, C.cl_mem_flags(flags), C.size_t(size), dataPtr, &err)
if err != C.CL_SUCCESS {
return nil, toError(err)
}
if clBuffer == nil {
return nil, ErrUnknown
}
return newMemObject(clBuffer, size), nil
}
func (c *Context) NewBuffer(flags MemFlags, size uint32) (*Buffer, error) {
var c_buffer C.cl_mem
var err C.cl_int
if c_buffer = C.clCreateBuffer(c.id, C.cl_mem_flags(flags), C.size_t(size), nil, &err); err != C.CL_SUCCESS {
return nil, Cl_error(err)
}
buffer := &Buffer{id: c_buffer}
runtime.SetFinalizer(buffer, (*Buffer).release)
return buffer, nil
}
func CLCreateBuffer(context CL_context,
flags CL_mem_flags,
size CL_size_t,
host_ptr unsafe.Pointer,
errcode_ret *CL_int) CL_mem {
var c_errcode_ret C.cl_int
var c_memobj C.cl_mem
c_memobj = C.clCreateBuffer(context.cl_context,
C.cl_mem_flags(flags),
C.size_t(size),
host_ptr,
&c_errcode_ret)
if errcode_ret != nil {
*errcode_ret = CL_int(c_errcode_ret)
}
return CL_mem{c_memobj}
}
// see https://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateBuffer.html
func CreateBuffer(context Context, flags, paramValueSize MemFlags, hostPtr unsafe.Pointer, errcode *ErrorCode) Mem {
return Mem(C.clCreateBuffer(context.clContext, C.cl_mem_flags(flags), C.size_t(paramValueSize), hostPtr, (*C.cl_int)(unsafe.Pointer(errcode))))
}