121 lines
5.5 KiB
C++
121 lines
5.5 KiB
C++
/*
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* Copyright 2022 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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#include "ScreenCaptureOutput.h"
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#include "ScreenCaptureRenderSurface.h"
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#include <compositionengine/CompositionEngine.h>
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#include <compositionengine/DisplayColorProfileCreationArgs.h>
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#include <compositionengine/impl/DisplayColorProfile.h>
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#include <ui/Rotation.h>
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namespace android {
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std::shared_ptr<ScreenCaptureOutput> createScreenCaptureOutput(ScreenCaptureOutputArgs args) {
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std::shared_ptr<ScreenCaptureOutput> output = compositionengine::impl::createOutputTemplated<
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ScreenCaptureOutput, compositionengine::CompositionEngine, const RenderArea&,
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const compositionengine::Output::ColorProfile&, bool>(args.compositionEngine,
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args.renderArea,
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args.colorProfile,
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args.regionSampling);
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output->editState().isSecure = args.renderArea.isSecure();
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output->setCompositionEnabled(true);
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output->setLayerFilter({args.layerStack});
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output->setRenderSurface(std::make_unique<ScreenCaptureRenderSurface>(std::move(args.buffer)));
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output->setDisplayBrightness(args.sdrWhitePointNits, args.displayBrightnessNits);
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output->editState().clientTargetBrightness = args.targetBrightness;
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output->setDisplayColorProfile(std::make_unique<compositionengine::impl::DisplayColorProfile>(
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compositionengine::DisplayColorProfileCreationArgsBuilder()
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.setHasWideColorGamut(true)
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.Build()));
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const Rect& sourceCrop = args.renderArea.getSourceCrop();
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const ui::Rotation orientation = ui::Transform::toRotation(args.renderArea.getRotationFlags());
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const Rect orientedDisplaySpaceRect{args.renderArea.getReqWidth(),
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args.renderArea.getReqHeight()};
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output->setProjection(orientation, sourceCrop, orientedDisplaySpaceRect);
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output->setDisplaySize({sourceCrop.getWidth(), sourceCrop.getHeight()});
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{
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std::string name = args.regionSampling ? "RegionSampling" : "ScreenCaptureOutput";
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if (auto displayDevice = args.renderArea.getDisplayDevice()) {
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base::StringAppendF(&name, " for %" PRIu64, displayDevice->getId().value);
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}
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output->setName(name);
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}
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return output;
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}
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ScreenCaptureOutput::ScreenCaptureOutput(
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const RenderArea& renderArea, const compositionengine::Output::ColorProfile& colorProfile,
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bool regionSampling)
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: mRenderArea(renderArea), mColorProfile(colorProfile), mRegionSampling(regionSampling) {}
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void ScreenCaptureOutput::updateColorProfile(const compositionengine::CompositionRefreshArgs&) {
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auto& outputState = editState();
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outputState.dataspace = mColorProfile.dataspace;
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outputState.renderIntent = mColorProfile.renderIntent;
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}
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renderengine::DisplaySettings ScreenCaptureOutput::generateClientCompositionDisplaySettings()
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const {
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auto clientCompositionDisplay =
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compositionengine::impl::Output::generateClientCompositionDisplaySettings();
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clientCompositionDisplay.clip = mRenderArea.getSourceCrop();
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return clientCompositionDisplay;
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}
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std::vector<compositionengine::LayerFE::LayerSettings>
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ScreenCaptureOutput::generateClientCompositionRequests(
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bool supportsProtectedContent, ui::Dataspace outputDataspace,
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std::vector<compositionengine::LayerFE*>& outLayerFEs) {
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auto clientCompositionLayers = compositionengine::impl::Output::
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generateClientCompositionRequests(supportsProtectedContent, outputDataspace,
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outLayerFEs);
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if (mRegionSampling) {
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for (auto& layer : clientCompositionLayers) {
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layer.backgroundBlurRadius = 0;
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layer.blurRegions.clear();
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}
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}
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if (outputDataspace == ui::Dataspace::BT2020_HLG) {
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for (auto& layer : clientCompositionLayers) {
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auto transfer = layer.sourceDataspace & ui::Dataspace::TRANSFER_MASK;
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if (transfer != static_cast<int32_t>(ui::Dataspace::TRANSFER_HLG) &&
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transfer != static_cast<int32_t>(ui::Dataspace::TRANSFER_ST2084)) {
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layer.whitePointNits *= (1000.0f / 203.0f);
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}
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}
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}
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Rect sourceCrop = mRenderArea.getSourceCrop();
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compositionengine::LayerFE::LayerSettings fillLayer;
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fillLayer.source.buffer.buffer = nullptr;
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fillLayer.source.solidColor = half3(0.0f, 0.0f, 0.0f);
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fillLayer.geometry.boundaries =
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FloatRect(static_cast<float>(sourceCrop.left), static_cast<float>(sourceCrop.top),
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static_cast<float>(sourceCrop.right), static_cast<float>(sourceCrop.bottom));
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fillLayer.alpha = half(RenderArea::getCaptureFillValue(mRenderArea.getCaptureFill()));
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clientCompositionLayers.insert(clientCompositionLayers.begin(), fillLayer);
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return clientCompositionLayers;
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}
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} // namespace android
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