1 /*
2 * Copyright (c) 2016-2017, 2019 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
35 namespace sdm {
36
Hotplug(hwc2_display_t display,HWC2::Connection state)37 HWC2::Error HWCCallbacks::Hotplug(hwc2_display_t display, HWC2::Connection state) {
38 std::lock_guard<std::mutex> hotplug_lock(hotplug_mutex_);
39 if (!hotplug_) {
40 return HWC2::Error::NoResources;
41 }
42 hotplug_(hotplug_data_, display, INT32(state));
43 return HWC2::Error::None;
44 }
45
Refresh(hwc2_display_t display)46 HWC2::Error HWCCallbacks::Refresh(hwc2_display_t display) {
47 std::lock_guard<std::mutex> refresh_lock(refresh_mutex_);
48 if (!refresh_) {
49 return HWC2::Error::NoResources;
50 }
51 refresh_(refresh_data_, display);
52 pending_refresh_.set(UINT32(display));
53 return HWC2::Error::None;
54 }
55
Vsync(hwc2_display_t display,int64_t timestamp)56 HWC2::Error HWCCallbacks::Vsync(hwc2_display_t display, int64_t timestamp) {
57 std::lock_guard<std::mutex> vsync_lock(vsync_mutex_);
58 if (!vsync_) {
59 return HWC2::Error::NoResources;
60 }
61 DTRACE_SCOPED();
62 vsync_(vsync_data_, display, timestamp);
63 return HWC2::Error::None;
64 }
65
Vsync_2_4(hwc2_display_t display,int64_t timestamp,uint32_t period)66 HWC2::Error HWCCallbacks::Vsync_2_4(hwc2_display_t display, int64_t timestamp, uint32_t period) {
67 std::lock_guard<std::mutex> vsync_2_4_lock(vsync_2_4_mutex_);
68 if (!vsync_2_4_) {
69 return HWC2::Error::NoResources;
70 }
71 DTRACE_SCOPED();
72 vsync_2_4_(vsync_2_4_data_, display, timestamp, period);
73 return HWC2::Error::None;
74 }
75
VsyncPeriodTimingChanged(hwc2_display_t display,hwc_vsync_period_change_timeline_t * updated_timeline)76 HWC2::Error HWCCallbacks::VsyncPeriodTimingChanged(
77 hwc2_display_t display, hwc_vsync_period_change_timeline_t *updated_timeline) {
78 std::lock_guard<std::mutex>
79 vsyncPeriodTimingChanged_lock(vsync_period_timing_changed_mutex_);
80 if (!vsync_period_timing_changed_) {
81 return HWC2::Error::NoResources;
82 }
83 DTRACE_SCOPED();
84 vsync_period_timing_changed_(vsync_period_timing_changed_data_, display, updated_timeline);
85 return HWC2::Error::None;
86 }
87
Register(HWC2::Callback descriptor,hwc2_callback_data_t callback_data,hwc2_function_pointer_t pointer)88 HWC2::Error HWCCallbacks::Register(HWC2::Callback descriptor, hwc2_callback_data_t callback_data,
89 hwc2_function_pointer_t pointer) {
90 switch (descriptor) {
91 case HWC2::Callback::Hotplug: {
92 std::lock_guard<std::mutex> hotplug_lock(hotplug_mutex_);
93 hotplug_data_ = callback_data;
94 hotplug_ = reinterpret_cast<HWC2_PFN_HOTPLUG>(pointer);
95 } break;
96 case HWC2::Callback::Refresh: {
97 std::lock_guard<std::mutex> refresh_lock(refresh_mutex_);
98 refresh_data_ = callback_data;
99 refresh_ = reinterpret_cast<HWC2_PFN_REFRESH>(pointer);
100 } break;
101 case HWC2::Callback::Vsync: {
102 std::lock_guard<std::mutex> vsync_lock(vsync_mutex_);
103 vsync_data_ = callback_data;
104 vsync_ = reinterpret_cast<HWC2_PFN_VSYNC>(pointer);
105 } break;
106 case HWC2::Callback::Vsync_2_4: {
107 std::lock_guard<std::mutex> vsync_2_4_lock(vsync_2_4_mutex_);
108 vsync_2_4_data_ = callback_data;
109 vsync_2_4_ = reinterpret_cast<HWC2_PFN_VSYNC_2_4>(pointer);
110 } break;
111 case HWC2::Callback::VsyncPeriodTimingChanged: {
112 std::lock_guard<std::mutex>
113 vsyncPeriodTimingChanged_lock(vsync_period_timing_changed_mutex_);
114 vsync_period_timing_changed_data_ = callback_data;
115 vsync_period_timing_changed_ =
116 reinterpret_cast<HWC2_PFN_VSYNC_PERIOD_TIMING_CHANGED>(pointer);
117 } break;
118 default:
119 return HWC2::Error::BadParameter;
120 }
121 return HWC2::Error::None;
122 }
123
124 } // namespace sdm
125