mailbox.cc revision 868fa2fe829687343ffae624259930155e16dbd8 
1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "gpu/command_buffer/common/mailbox.h"
6
7#include <string.h>
8
9#include "gpu/command_buffer/common/logging.h"
10
11namespace gpu {
12
13Mailbox::Mailbox() {
14  memset(name, 0, sizeof(name));
15}
16
17bool Mailbox::IsZero() const {
18  for (size_t i = 0; i < arraysize(name); ++i) {
19    if (name[i])
20      return false;
21  }
22  return true;
23}
24
25void Mailbox::SetZero() {
26  memset(name, 0, sizeof(name));
27}
28
29void Mailbox::SetName(const int8* n) {
30  GPU_DCHECK(IsZero() || !memcmp(name, n, sizeof(name)));
31  memcpy(name, n, sizeof(name));
32}
33
34}  // namespace gpu
35