1/*
2 * Copyright (c) 2016, The Linux Foundation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *    * Redistributions of source code must retain the above copyright
8 *      notice, this list of conditions and the following disclaimer.
9 *    * Redistributions in binary form must reproduce the above
10 *      copyright notice, this list of conditions and the following
11 *      disclaimer in the documentation and/or other materials provided
12 *      with the distribution.
13 *    * Neither the name of The Linux Foundation. nor the names of its
14 *      contributors may be used to endorse or promote products derived
15 *      from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29#include <utils/constants.h>
30#include <utils/debug.h>
31#include "hwc_callbacks.h"
32
33#define __CLASS__ "HWCCallbacks"
34
35namespace sdm {
36
37void HWCCallbacks::Hotplug(hwc2_display_t display, HWC2::Connection state) {
38  if (hotplug_) {
39    hotplug_(hotplug_data_, display, INT32(state));
40  }
41}
42
43void HWCCallbacks::Refresh(hwc2_display_t display) {
44  if (refresh_) {
45    refresh_(refresh_data_, display);
46  }
47}
48
49void HWCCallbacks::Vsync(hwc2_display_t display, int64_t timestamp) {
50  if (vsync_) {
51    vsync_(vsync_data_, display, timestamp);
52  }
53}
54
55HWC2::Error HWCCallbacks::Register(HWC2::Callback descriptor, hwc2_callback_data_t callback_data,
56                                   hwc2_function_pointer_t pointer) {
57  switch (descriptor) {
58    case HWC2::Callback::Hotplug:
59      hotplug_data_ = callback_data;
60      hotplug_ = reinterpret_cast<HWC2_PFN_HOTPLUG>(pointer);
61      break;
62    case HWC2::Callback::Refresh:
63      refresh_data_ = callback_data;
64      refresh_ = reinterpret_cast<HWC2_PFN_REFRESH>(pointer);
65      break;
66    case HWC2::Callback::Vsync:
67      vsync_data_ = callback_data;
68      vsync_ = reinterpret_cast<HWC2_PFN_VSYNC>(pointer);
69      break;
70    default:
71      return HWC2::Error::BadParameter;
72  }
73  return HWC2::Error::None;
74}
75
76}  // namespace sdm
77