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/*
* Copyright 2018 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 <compositionengine/CompositionRefreshArgs.h>
#include <compositionengine/LayerFE.h>
#include <compositionengine/LayerFECompositionState.h>
#include <compositionengine/OutputLayer.h>
#include <compositionengine/impl/CompositionEngine.h>
#include <compositionengine/impl/Display.h>
#include <renderengine/RenderEngine.h>
#include <utils/Trace.h>
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
#include "DisplayHardware/HWComposer.h"
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic pop // ignored "-Wconversion"
namespace android::compositionengine {
CompositionEngine::~CompositionEngine() = default;
namespace impl {
std::unique_ptr<compositionengine::CompositionEngine> createCompositionEngine() {
return std::make_unique<CompositionEngine>();
}
CompositionEngine::CompositionEngine() = default;
CompositionEngine::~CompositionEngine() = default;
std::shared_ptr<compositionengine::Display> CompositionEngine::createDisplay(
const DisplayCreationArgs& args) {
return compositionengine::impl::createDisplay(*this, args);
}
std::unique_ptr<compositionengine::LayerFECompositionState>
CompositionEngine::createLayerFECompositionState() {
return std::make_unique<compositionengine::LayerFECompositionState>();
}
HWComposer& CompositionEngine::getHwComposer() const {
return *mHwComposer.get();
}
void CompositionEngine::setHwComposer(std::unique_ptr<HWComposer> hwComposer) {
mHwComposer = std::move(hwComposer);
}
renderengine::RenderEngine& CompositionEngine::getRenderEngine() const {
return *mRenderEngine.get();
}
void CompositionEngine::setRenderEngine(std::unique_ptr<renderengine::RenderEngine> renderEngine) {
mRenderEngine = std::move(renderEngine);
}
TimeStats& CompositionEngine::getTimeStats() const {
return *mTimeStats.get();
}
void CompositionEngine::setTimeStats(const std::shared_ptr<TimeStats>& timeStats) {
mTimeStats = timeStats;
}
bool CompositionEngine::needsAnotherUpdate() const {
return mNeedsAnotherUpdate;
}
nsecs_t CompositionEngine::getLastFrameRefreshTimestamp() const {
return mRefreshStartTime;
}
void CompositionEngine::present(CompositionRefreshArgs& args) {
ATRACE_CALL();
ALOGV(__FUNCTION__);
preComposition(args);
{
// latchedLayers is used to track the set of front-end layer state that
// has been latched across all outputs for the prepare step, and is not
// needed for anything else.
LayerFESet latchedLayers;
for (const auto& output : args.outputs) {
output->prepare(args, latchedLayers);
}
}
updateLayerStateFromFE(args);
for (const auto& output : args.outputs) {
output->present(args);
}
}
void CompositionEngine::updateCursorAsync(CompositionRefreshArgs& args) {
std::unordered_map<compositionengine::LayerFE*, compositionengine::LayerFECompositionState*>
uniqueVisibleLayers;
for (const auto& output : args.outputs) {
for (auto* layer : output->getOutputLayersOrderedByZ()) {
if (layer->isHardwareCursor()) {
// Latch the cursor composition state from each front-end layer.
layer->getLayerFE().prepareCompositionState(LayerFE::StateSubset::Cursor);
layer->writeCursorPositionToHWC();
}
}
}
}
void CompositionEngine::preComposition(CompositionRefreshArgs& args) {
ATRACE_CALL();
ALOGV(__FUNCTION__);
bool needsAnotherUpdate = false;
mRefreshStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
for (auto& layer : args.layers) {
if (layer->onPreComposition(mRefreshStartTime)) {
needsAnotherUpdate = true;
}
}
mNeedsAnotherUpdate = needsAnotherUpdate;
}
void CompositionEngine::dump(std::string&) const {
// The base class has no state to dump, but derived classes might.
}
void CompositionEngine::setNeedsAnotherUpdateForTest(bool value) {
mNeedsAnotherUpdate = value;
}
void CompositionEngine::updateLayerStateFromFE(CompositionRefreshArgs& args) {
// Update the composition state from each front-end layer
for (const auto& output : args.outputs) {
output->updateLayerStateFromFE(args);
}
}
} // namespace impl
} // namespace android::compositionengine
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