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101 lines
3.2 KiB
101 lines
3.2 KiB
7 months ago
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/*
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* Copyright 2021 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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#ifndef ANDROID_HWC_HOSTCOMPOSER_H
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#define ANDROID_HWC_HOSTCOMPOSER_H
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#include "Common.h"
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#include "Composer.h"
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#include "DrmPresenter.h"
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#include "HostConnection.h"
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namespace android {
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class HostComposer : public Composer {
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public:
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HostComposer() = default;
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HostComposer(const HostComposer&) = delete;
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HostComposer& operator=(const HostComposer&) = delete;
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HostComposer(HostComposer&&) = delete;
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HostComposer& operator=(HostComposer&&) = delete;
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HWC2::Error init(const HotplugCallback& cb) override;
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HWC2::Error createDisplays(
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Device* device,
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const AddDisplayToDeviceFunction& addDisplayToDeviceFn) override;
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HWC2::Error createDisplay(
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Device* device, uint32_t displayId, uint32_t width, uint32_t height,
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uint32_t dpiX, uint32_t dpiY, uint32_t refreshRateHz,
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const AddDisplayToDeviceFunction& addDisplayToDeviceFn) override;
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HWC2::Error onDisplayDestroy(Display* display) override;
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HWC2::Error onDisplayClientTargetSet(Display* display) override;
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// Determines if this composer can compose the given layers on the given
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// display and requests changes for layers that can't not be composed.
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HWC2::Error validateDisplay(
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Display* display, std::unordered_map<hwc2_layer_t, HWC2::Composition>*
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outLayerCompositionChanges) override;
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// Performs the actual composition of layers and presents the composed result
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// to the display.
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HWC2::Error presentDisplay(Display* display,
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int32_t* outPresentFence) override;
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private:
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HWC2::Error createPrimaryDisplay(
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Device* device, const AddDisplayToDeviceFunction& addDisplayToDeviceFn);
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HWC2::Error createSecondaryDisplays(
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Device* device, const AddDisplayToDeviceFunction& addDisplayToDeviceFn);
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HWC2::Error createHostComposerDisplayInfo(Display* display,
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uint32_t hostDisplayId);
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void post(HostConnection* hostCon, ExtendedRCEncoderContext* rcEnc,
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buffer_handle_t h);
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bool mIsMinigbm = false;
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int mSyncDeviceFd = -1;
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struct HostComposerDisplayInfo {
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uint32_t hostDisplayId = 0;
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// Additional per display buffer for the composition result.
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const native_handle_t* compositionResultBuffer = nullptr;
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// Drm info for the additional composition result buffer.
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std::unique_ptr<DrmBuffer> compositionResultDrmBuffer;
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// Drm info for the displays client target buffer.
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std::unique_ptr<DrmBuffer> clientTargetDrmBuffer;
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};
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std::unordered_map<hwc2_display_t, HostComposerDisplayInfo> mDisplayInfos;
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DrmPresenter mDrmPresenter;
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};
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} // namespace android
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#endif
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