1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
* 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, const RenderArea&,
const compositionengine::Output::ColorProfile&, bool>(args.compositionEngine,
args.renderArea,
args.colorProfile,
args.regionSampling);
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->editState().clientTargetBrightness = args.targetBrightness;
output->editState().treat170mAsSrgb = args.treat170mAsSrgb;
output->setDisplayColorProfile(std::make_unique<compositionengine::impl::DisplayColorProfile>(
compositionengine::DisplayColorProfileCreationArgsBuilder()
.setHasWideColorGamut(true)
.Build()));
const Rect& sourceCrop = args.renderArea.getSourceCrop();
const ui::Rotation orientation = ui::Transform::toRotation(args.renderArea.getRotationFlags());
const Rect orientedDisplaySpaceRect{args.renderArea.getReqWidth(),
args.renderArea.getReqHeight()};
output->setProjection(orientation, sourceCrop, orientedDisplaySpaceRect);
output->setDisplaySize({sourceCrop.getWidth(), sourceCrop.getHeight()});
{
std::string name = args.regionSampling ? "RegionSampling" : "ScreenCaptureOutput";
if (auto displayDevice = args.renderArea.getDisplayDevice()) {
base::StringAppendF(&name, " for %" PRIu64, displayDevice->getId().value);
}
output->setName(name);
}
return output;
}
ScreenCaptureOutput::ScreenCaptureOutput(
const RenderArea& renderArea, const compositionengine::Output::ColorProfile& colorProfile,
bool regionSampling)
: mRenderArea(renderArea), mColorProfile(colorProfile), mRegionSampling(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();
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();
}
}
if (outputDataspace == ui::Dataspace::BT2020_HLG) {
for (auto& layer : clientCompositionLayers) {
auto transfer = layer.sourceDataspace & ui::Dataspace::TRANSFER_MASK;
if (transfer != static_cast<int32_t>(ui::Dataspace::TRANSFER_HLG) &&
transfer != static_cast<int32_t>(ui::Dataspace::TRANSFER_ST2084)) {
layer.whitePointNits *= (1000.0f / 203.0f);
}
}
}
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;
}
} // namespace android
|