125 lines
4.1 KiB
C++
125 lines
4.1 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "drmhwc"
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#include "DrmHwcTwo.h"
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#include <cinttypes>
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#include "drm/DrmHwc.h"
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#include "hwc/HwcDisplay.h"
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namespace android::drm_hwcomposer {
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HWC2::Error DrmHwcTwo::RegisterCallback(int32_t descriptor,
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hwc2_callback_data_t data,
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hwc2_function_pointer_t function) {
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switch (static_cast<HWC2::Callback>(descriptor)) {
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case HWC2::Callback::Hotplug: {
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hotplug_callback_ = std::make_pair(HWC2_PFN_HOTPLUG(function), data);
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if (function != nullptr) {
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GetResMan().Init();
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} else {
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GetResMan().DeInit();
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/* Headless display may still be here. Remove it! */
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if (Displays().count(kPrimaryDisplay) != 0) {
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Displays()[kPrimaryDisplay]->Deinit();
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Displays().erase(kPrimaryDisplay);
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}
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}
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break;
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}
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case HWC2::Callback::Refresh: {
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refresh_callback_ = std::make_pair(HWC2_PFN_REFRESH(function), data);
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break;
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}
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case HWC2::Callback::Vsync: {
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vsync_callback_ = std::make_pair(HWC2_PFN_VSYNC(function), data);
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break;
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}
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case HWC2::Callback::Vsync_2_4: {
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vsync_2_4_callback_ = std::make_pair(HWC2_PFN_VSYNC_2_4(function), data);
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break;
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}
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case HWC2::Callback::VsyncPeriodTimingChanged: {
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period_timing_changed_callback_ = std::
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make_pair(HWC2_PFN_VSYNC_PERIOD_TIMING_CHANGED(function), data);
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break;
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}
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default:
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break;
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}
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return HWC2::Error::None;
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}
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void DrmHwcTwo::SendHotplugEventToClient(DisplayHandle display_handle,
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DisplayStatus display_status) {
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auto hc = hotplug_callback_;
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if (hc.first != nullptr && hc.second != nullptr) {
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/* For some reason HWC Service will call HWC2 API in hotplug callback
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* handler. This is the reason we're using recursive mutex.
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*/
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hc.first(hc.second, display_handle,
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display_status ? HWC2_CONNECTION_CONNECTED
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: HWC2_CONNECTION_DISCONNECTED);
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}
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}
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void DrmHwcTwo::SendVsyncEventToClient(
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DisplayHandle display_handle, int64_t timestamp,
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[[maybe_unused]] uint32_t vsync_period) const {
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/* vsync callback */
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if (vsync_2_4_callback_.first != nullptr &&
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vsync_2_4_callback_.second != nullptr) {
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vsync_2_4_callback_.first(vsync_2_4_callback_.second, display_handle,
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timestamp, vsync_period);
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} else if (vsync_callback_.first != nullptr &&
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vsync_callback_.second != nullptr) {
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vsync_callback_.first(vsync_callback_.second, display_handle, timestamp);
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}
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}
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void DrmHwcTwo::SendVsyncPeriodTimingChangedEventToClient(
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[[maybe_unused]] DisplayHandle display_handle,
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[[maybe_unused]] int64_t timestamp) const {
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hwc_vsync_period_change_timeline_t timeline = {
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.newVsyncAppliedTimeNanos = timestamp,
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.refreshRequired = false,
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.refreshTimeNanos = 0,
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};
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if (period_timing_changed_callback_.first != nullptr &&
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period_timing_changed_callback_.second != nullptr) {
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period_timing_changed_callback_
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.first(period_timing_changed_callback_.second, display_handle,
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&timeline);
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}
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}
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void DrmHwcTwo::SendRefreshEventToClient(DisplayHandle display_handle) {
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if (refresh_callback_.first != nullptr &&
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refresh_callback_.second != nullptr) {
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refresh_callback_.first(refresh_callback_.second, display_handle);
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}
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}
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const std::string& DrmHwcTwo::RefreshStateDump() {
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last_state_dump_ = DumpState();
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return last_state_dump_;
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}
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} // namespace android::drm_hwcomposer
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