90 lines
3.4 KiB
C++
90 lines
3.4 KiB
C++
/*
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* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <utils/constants.h>
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#include <utils/debug.h>
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#include "hwc_callbacks.h"
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#define __CLASS__ "HWCCallbacks"
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namespace sdm {
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HWC2::Error HWCCallbacks::Hotplug(hwc2_display_t display, HWC2::Connection state) {
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std::lock_guard<std::mutex> hotplug_lock(hotplug_mutex_);
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if (!hotplug_) {
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return HWC2::Error::NoResources;
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}
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hotplug_(hotplug_data_, display, INT32(state));
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return HWC2::Error::None;
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}
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HWC2::Error HWCCallbacks::Refresh(hwc2_display_t display) {
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std::lock_guard<std::mutex> refresh_lock(refresh_mutex_);
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if (!refresh_) {
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return HWC2::Error::NoResources;
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}
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refresh_(refresh_data_, display);
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return HWC2::Error::None;
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}
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HWC2::Error HWCCallbacks::Vsync(hwc2_display_t display, int64_t timestamp) {
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std::lock_guard<std::mutex> vsync_lock(vsync_mutex_);
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if (!vsync_) {
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return HWC2::Error::NoResources;
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}
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DTRACE_SCOPED();
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vsync_(vsync_data_, display, timestamp);
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return HWC2::Error::None;
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}
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HWC2::Error HWCCallbacks::Register(HWC2::Callback descriptor, hwc2_callback_data_t callback_data,
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hwc2_function_pointer_t pointer) {
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switch (descriptor) {
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case HWC2::Callback::Hotplug: {
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std::lock_guard<std::mutex> hotplug_lock(hotplug_mutex_);
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hotplug_data_ = callback_data;
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hotplug_ = reinterpret_cast<HWC2_PFN_HOTPLUG>(pointer);
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} break;
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case HWC2::Callback::Refresh: {
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std::lock_guard<std::mutex> refresh_lock(refresh_mutex_);
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refresh_data_ = callback_data;
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refresh_ = reinterpret_cast<HWC2_PFN_REFRESH>(pointer);
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} break;
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case HWC2::Callback::Vsync: {
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std::lock_guard<std::mutex> vsync_lock(vsync_mutex_);
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vsync_data_ = callback_data;
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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 sdm
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