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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.
*/
#include "ScreenCaptureOutput.h"
#include "ScreenCaptureRenderSurface.h"
#include <compositionengine/CompositionEngine.h>
#include <compositionengine/DisplayColorProfileCreationArgs.h>
#include <compositionengine/impl/DisplayColorProfile.h>
#include <ui/Rotation.h>
namespace android {
std::shared_ptr<ScreenCaptureOutput> createScreenCaptureOutput(ScreenCaptureOutputArgs&& args) {
std::shared_ptr<ScreenCaptureOutput> output = compositionengine::impl::createOutputTemplated<
ScreenCaptureOutput, compositionengine::CompositionEngine,
ScreenCaptureOutputArgs&&>(args.compositionEngine, std::move(args));
output->editState().isSecure = args.renderArea.isSecure();
output->setCompositionEnabled(true);
output->setLayerFilter({args.layerStack});
output->setRenderSurface(std::make_unique<ScreenCaptureRenderSurface>(std::move(args.buffer)));
output->setDisplayBrightness(args.sdrWhitePointNits, args.displayBrightnessNits);
output->setDisplayColorProfile(std::make_unique<compositionengine::impl::DisplayColorProfile>(
compositionengine::DisplayColorProfileCreationArgsBuilder()
.setHasWideColorGamut(true)
.Build()));
ui::Rotation orientation = ui::Transform::toRotation(args.renderArea.getRotationFlags());
Rect orientedDisplaySpaceRect{args.renderArea.getReqWidth(), args.renderArea.getReqHeight()};
output->setProjection(orientation, args.renderArea.getLayerStackSpaceRect(),
orientedDisplaySpaceRect);
Rect sourceCrop = args.renderArea.getSourceCrop();
output->setDisplaySize({sourceCrop.getWidth(), sourceCrop.getHeight()});
return output;
}
ScreenCaptureOutput::ScreenCaptureOutput(ScreenCaptureOutputArgs&& args)
: mRenderArea(args.renderArea),
mFilterForScreenshot(std::move(args.filterForScreenshot)),
mColorProfile(args.colorProfile),
mRegionSampling(args.regionSampling) {}
void ScreenCaptureOutput::updateColorProfile(const compositionengine::CompositionRefreshArgs&) {
auto& outputState = editState();
outputState.dataspace = mColorProfile.dataspace;
outputState.renderIntent = mColorProfile.renderIntent;
}
renderengine::DisplaySettings ScreenCaptureOutput::generateClientCompositionDisplaySettings()
const {
auto clientCompositionDisplay =
compositionengine::impl::Output::generateClientCompositionDisplaySettings();
clientCompositionDisplay.clip = mRenderArea.getSourceCrop();
clientCompositionDisplay.targetLuminanceNits = -1;
return clientCompositionDisplay;
}
std::vector<compositionengine::LayerFE::LayerSettings>
ScreenCaptureOutput::generateClientCompositionRequests(
bool supportsProtectedContent, ui::Dataspace outputDataspace,
std::vector<compositionengine::LayerFE*>& outLayerFEs) {
auto clientCompositionLayers = compositionengine::impl::Output::
generateClientCompositionRequests(supportsProtectedContent, outputDataspace,
outLayerFEs);
if (mRegionSampling) {
for (auto& layer : clientCompositionLayers) {
layer.backgroundBlurRadius = 0;
layer.blurRegions.clear();
}
}
Rect sourceCrop = mRenderArea.getSourceCrop();
compositionengine::LayerFE::LayerSettings fillLayer;
fillLayer.source.buffer.buffer = nullptr;
fillLayer.source.solidColor = half3(0.0f, 0.0f, 0.0f);
fillLayer.geometry.boundaries =
FloatRect(static_cast<float>(sourceCrop.left), static_cast<float>(sourceCrop.top),
static_cast<float>(sourceCrop.right), static_cast<float>(sourceCrop.bottom));
fillLayer.alpha = half(RenderArea::getCaptureFillValue(mRenderArea.getCaptureFill()));
clientCompositionLayers.insert(clientCompositionLayers.begin(), fillLayer);
return clientCompositionLayers;
}
bool ScreenCaptureOutput::layerNeedsFiltering(const compositionengine::OutputLayer* layer) const {
return mRenderArea.needsFiltering() ||
mFilterForScreenshot.find(&layer->getLayerFE()) != mFilterForScreenshot.end();
}
} // namespace android
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