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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <hardware/hwcomposer2.h>
#include "drm/ResourceManager.h"
#include "hwc2_device/HwcDisplay.h"
namespace android {
class DrmHwcTwo : public PipelineToFrontendBindingInterface {
public:
DrmHwcTwo();
~DrmHwcTwo() override = default;
std::pair<HWC2_PFN_HOTPLUG, hwc2_callback_data_t> hotplug_callback_{};
std::pair<HWC2_PFN_VSYNC, hwc2_callback_data_t> vsync_callback_{};
#if __ANDROID_API__ > 29
std::pair<HWC2_PFN_VSYNC_2_4, hwc2_callback_data_t> vsync_2_4_callback_{};
std::pair<HWC2_PFN_VSYNC_PERIOD_TIMING_CHANGED, hwc2_callback_data_t>
period_timing_changed_callback_{};
#endif
std::pair<HWC2_PFN_REFRESH, hwc2_callback_data_t> refresh_callback_{};
// Device functions
HWC2::Error CreateVirtualDisplay(uint32_t width, uint32_t height,
int32_t *format, hwc2_display_t *display);
HWC2::Error DestroyVirtualDisplay(hwc2_display_t display);
void Dump(uint32_t *outSize, char *outBuffer);
uint32_t GetMaxVirtualDisplayCount();
HWC2::Error RegisterCallback(int32_t descriptor, hwc2_callback_data_t data,
hwc2_function_pointer_t function);
auto GetDisplay(hwc2_display_t display_handle) {
return displays_.count(display_handle) != 0
? displays_[display_handle].get()
: nullptr;
}
auto &GetResMan() {
return resource_manager_;
}
void ScheduleHotplugEvent(hwc2_display_t displayid, bool connected) {
deferred_hotplug_events_[displayid] = connected;
}
// PipelineToFrontendBindingInterface
bool BindDisplay(DrmDisplayPipeline *pipeline) override;
bool UnbindDisplay(DrmDisplayPipeline *pipeline) override;
void FinalizeDisplayBinding() override;
void SendVsyncEventToClient(hwc2_display_t displayid, int64_t timestamp,
uint32_t vsync_period) const;
void SendVsyncPeriodTimingChangedEventToClient(hwc2_display_t displayid,
int64_t timestamp) const;
private:
void SendHotplugEventToClient(hwc2_display_t displayid, bool connected) const;
ResourceManager resource_manager_;
std::map<hwc2_display_t, std::unique_ptr<HwcDisplay>> displays_;
std::map<DrmDisplayPipeline *, hwc2_display_t> display_handles_;
std::string mDumpString;
std::map<hwc2_display_t, bool> deferred_hotplug_events_;
std::vector<hwc2_display_t> displays_for_removal_list_;
uint32_t last_display_handle_ = kPrimaryDisplay;
};
} // namespace android
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