func CLSetEventCallback(event CL_event,
command_exec_callback_type CL_int,
pfn_notify CL_evt_notify,
user_data unsafe.Pointer) CL_int {
if pfn_notify != nil {
evt_notify[event.cl_event] = pfn_notify
return CL_int(C.CLSetEventCallback(event.cl_event,
C.cl_int(command_exec_callback_type),
user_data))
} else {
return CL_int(C.clSetEventCallback(event.cl_event,
C.cl_int(command_exec_callback_type),
nil,
nil))
}
}
func (ctx *Context) CreateFromGlBuffer(flag MemFlag, GlBufferObject GLUint) (*MemObject, error) {
var err C.int
memobj := C.clCreateFromGLBuffer(ctx.clContext, flag.GlBufferCreateFlag(), (C.cl_GLuint)(GlBufferObject), &err)
if toError(C.cl_int(err)) != nil {
return nil, toError(GlErrorCodeToCl(int(err)))
}
GlBufferObj := &MemObject{clMem: memobj, size: 0}
bufSize, sizeErr := GlBufferObj.GetSize()
if sizeErr != nil {
fmt.Printf("Unable to get buffer size in CreateFromGlBuffer \n")
return nil, sizeErr
}
GlBufferObj.size = bufSize
return GlBufferObj, nil
}
// Sets the execution status of a user event object.
//
// `status` specifies the new execution status to be set and
// can be CL_COMPLETE or a negative integer value to indicate
// an error. A negative integer value causes all enqueued commands
// that wait on this user event to be terminated. clSetUserEventStatus
// can only be called once to change the execution status of event.
func (e *Event) SetUserEventStatus(status int) error {
return toError(C.clSetUserEventStatus(e.clEvent, C.cl_int(status)))
}
func CLSetUserEventStatus(event CL_event,
execution_status CL_int) CL_int {
return CL_int(C.clSetUserEventStatus(event.cl_event, C.cl_int(execution_status)))
}