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71 lines
1.8 KiB
71 lines
1.8 KiB
4 months ago
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/*
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* Copyright (c) Hisilicon Technologies Co., Ltd.. 2016-2019. All rights reserved.
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* Description: Some callback interfaces of hwcomposer
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* Author: Hisilicon
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* Created: 2016.08.12
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*/
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#include "HWCCallbacks.h"
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#include <log/log.h>
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namespace android {
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HWCCallbacks::HWCCallbacks()
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: m_hotplugData(nullptr),
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m_refreshData(nullptr),
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m_vsyncData(nullptr),
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m_hotplug(nullptr),
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m_refresh(nullptr),
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m_vsync(nullptr)
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{
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}
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HWCCallbacks::~HWCCallbacks()
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{
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}
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void HWCCallbacks::Hotplug(hwc2_display_t display, HWC2::Connection state) const
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{
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if (m_hotplug != nullptr) {
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m_hotplug(m_hotplugData, display, int32_t(state));
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} else {
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ALOGI("ignore Hotplug event because surfaceflinger have not RegisterCallback yet");
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}
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}
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void HWCCallbacks::Refresh(hwc2_display_t display) const
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{
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if (m_refresh != nullptr) {
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m_refresh(m_refreshData, display);
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}
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}
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void HWCCallbacks::Vsync(hwc2_display_t display, int64_t timestamp) const
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{
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if (m_vsync != nullptr) {
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m_vsync(m_vsyncData, display, timestamp);
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}
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}
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HWC2::Error HWCCallbacks::Register(HWC2::Callback descriptor, hwc2_callback_data_t callbackData,
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hwc2_function_pointer_t pointer)
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{
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switch (descriptor) {
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case HWC2::Callback::Hotplug:
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m_hotplugData = callbackData;
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m_hotplug = reinterpret_cast<HWC2_PFN_HOTPLUG>(pointer);
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break;
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case HWC2::Callback::Refresh:
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m_refreshData = callbackData;
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m_refresh = reinterpret_cast<HWC2_PFN_REFRESH>(pointer);
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break;
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case HWC2::Callback::Vsync:
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m_vsyncData = callbackData;
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m_vsync = reinterpret_cast<HWC2_PFN_VSYNC>(pointer);
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break;
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default:
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return HWC2::Error::BadParameter;
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}
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return HWC2::Error::None;
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}
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} // namespace android
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