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/*
* Copyright 2022 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.
*/
#ifndef ANDROID_HWC_HOSTFRAMECOMPOSER_H
#define ANDROID_HWC_HOSTFRAMECOMPOSER_H
#include <android-base/unique_fd.h>
#include <optional>
#include <tuple>
#include "Common.h"
#include "DrmClient.h"
#include "DrmSwapchain.h"
#include "FrameComposer.h"
#include "HostConnection.h"
namespace aidl::android::hardware::graphics::composer3::impl {
class HostFrameComposer : public FrameComposer {
public:
HostFrameComposer() = default;
HostFrameComposer(const HostFrameComposer&) = delete;
HostFrameComposer& operator=(const HostFrameComposer&) = delete;
HostFrameComposer(HostFrameComposer&&) = delete;
HostFrameComposer& operator=(HostFrameComposer&&) = delete;
HWC3::Error init() override;
HWC3::Error registerOnHotplugCallback(const HotplugCallback& cb) override;
HWC3::Error unregisterOnHotplugCallback() override;
HWC3::Error onDisplayCreate(Display* display) override;
HWC3::Error onDisplayDestroy(Display* display) override;
HWC3::Error onDisplayClientTargetSet(Display* display) override;
// Determines if this composer can compose the given layers on the given
// display and requests changes for layers that can't not be composed.
HWC3::Error validateDisplay(Display* display, DisplayChanges* outChanges) override;
// Performs the actual composition of layers and presents the composed result
// to the display.
HWC3::Error presentDisplay(
Display* display, ::android::base::unique_fd* outDisplayFence,
std::unordered_map<int64_t, ::android::base::unique_fd>* outLayerFences) override;
HWC3::Error onActiveConfigChange(Display* display) override;
const DrmClient* getDrmPresenter() const override {
if (mDrmClient) {
return &*mDrmClient;
}
return nullptr;
}
private:
HWC3::Error createHostComposerDisplayInfo(Display* display, uint32_t hostDisplayId);
void post(HostConnection* hostCon, ExtendedRCEncoderContext* rcEnc, buffer_handle_t h);
bool mIsMinigbm = false;
int mSyncDeviceFd = -1;
struct HostComposerDisplayInfo {
uint32_t hostDisplayId = 0;
std::unique_ptr<DrmSwapchain> swapchain = {};
// Drm info for the displays client target buffer.
std::shared_ptr<DrmBuffer> clientTargetDrmBuffer;
};
std::unordered_map<int64_t, HostComposerDisplayInfo> mDisplayInfos;
std::optional<DrmClient> mDrmClient;
};
} // namespace aidl::android::hardware::graphics::composer3::impl
#endif
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