2712 lines
100 KiB
C++
2712 lines
100 KiB
C++
/*
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* Copyright (C) 2007 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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// TODO(b/129481165): remove the #pragma below and fix conversion issues
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wconversion"
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//#define LOG_NDEBUG 0
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#undef LOG_TAG
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#define LOG_TAG "Layer"
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#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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#include "Layer.h"
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#include <android-base/properties.h>
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#include <android-base/stringprintf.h>
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#include <android/native_window.h>
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#include <binder/IPCThreadState.h>
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#include <compositionengine/Display.h>
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#include <compositionengine/LayerFECompositionState.h>
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#include <compositionengine/OutputLayer.h>
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#include <compositionengine/impl/OutputLayerCompositionState.h>
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#include <cutils/compiler.h>
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#include <cutils/native_handle.h>
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#include <cutils/properties.h>
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#include <ftl/enum.h>
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#include <ftl/fake_guard.h>
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#include <gui/BufferItem.h>
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#include <gui/LayerDebugInfo.h>
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#include <gui/Surface.h>
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#include <math.h>
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#include <private/android_filesystem_config.h>
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#include <renderengine/RenderEngine.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <system/graphics-base-v1.0.h>
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#include <ui/DataspaceUtils.h>
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#include <ui/DebugUtils.h>
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#include <ui/GraphicBuffer.h>
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#include <ui/PixelFormat.h>
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#include <utils/Errors.h>
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#include <utils/Log.h>
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#include <utils/NativeHandle.h>
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#include <utils/StopWatch.h>
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#include <utils/Trace.h>
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#include <algorithm>
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#include <mutex>
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#include <sstream>
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#include "BufferLayer.h"
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#include "Colorizer.h"
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#include "DisplayDevice.h"
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#include "DisplayHardware/HWComposer.h"
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#include "EffectLayer.h"
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#include "FrameTimeline.h"
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#include "FrameTracer/FrameTracer.h"
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#include "LayerProtoHelper.h"
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#include "LayerRejecter.h"
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#include "MonitoredProducer.h"
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#include "SurfaceFlinger.h"
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#include "TimeStats/TimeStats.h"
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#include "TunnelModeEnabledReporter.h"
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#define DEBUG_RESIZE 0
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namespace android {
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namespace {
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constexpr int kDumpTableRowLength = 159;
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const ui::Transform kIdentityTransform;
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} // namespace
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using namespace ftl::flag_operators;
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using base::StringAppendF;
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using gui::WindowInfo;
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using PresentState = frametimeline::SurfaceFrame::PresentState;
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std::atomic<int32_t> Layer::sSequence{1};
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Layer::Layer(const LayerCreationArgs& args)
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: sequence(args.sequence.value_or(sSequence++)),
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mFlinger(args.flinger),
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mName(base::StringPrintf("%s#%d", args.name.c_str(), sequence)),
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mClientRef(args.client),
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mWindowType(static_cast<WindowInfo::Type>(args.metadata.getInt32(METADATA_WINDOW_TYPE, 0))),
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mLayerCreationFlags(args.flags) {
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uint32_t layerFlags = 0;
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if (args.flags & ISurfaceComposerClient::eHidden) layerFlags |= layer_state_t::eLayerHidden;
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if (args.flags & ISurfaceComposerClient::eOpaque) layerFlags |= layer_state_t::eLayerOpaque;
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if (args.flags & ISurfaceComposerClient::eSecure) layerFlags |= layer_state_t::eLayerSecure;
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if (args.flags & ISurfaceComposerClient::eSkipScreenshot)
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layerFlags |= layer_state_t::eLayerSkipScreenshot;
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if (args.sequence) {
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sSequence = *args.sequence + 1;
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}
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mDrawingState.flags = layerFlags;
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mDrawingState.active_legacy.transform.set(0, 0);
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mDrawingState.crop.makeInvalid();
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mDrawingState.requestedCrop = mDrawingState.crop;
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mDrawingState.z = 0;
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mDrawingState.color.a = 1.0f;
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mDrawingState.layerStack = ui::DEFAULT_LAYER_STACK;
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mDrawingState.sequence = 0;
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mDrawingState.requested_legacy = mDrawingState.active_legacy;
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mDrawingState.width = UINT32_MAX;
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mDrawingState.height = UINT32_MAX;
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mDrawingState.transform.set(0, 0);
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mDrawingState.frameNumber = 0;
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mDrawingState.bufferTransform = 0;
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mDrawingState.transformToDisplayInverse = false;
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mDrawingState.crop.makeInvalid();
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mDrawingState.acquireFence = sp<Fence>::make(-1);
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mDrawingState.acquireFenceTime = std::make_shared<FenceTime>(mDrawingState.acquireFence);
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mDrawingState.dataspace = ui::Dataspace::UNKNOWN;
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mDrawingState.hdrMetadata.validTypes = 0;
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mDrawingState.surfaceDamageRegion = Region::INVALID_REGION;
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mDrawingState.cornerRadius = 0.0f;
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mDrawingState.backgroundBlurRadius = 0;
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mDrawingState.api = -1;
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mDrawingState.hasColorTransform = false;
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mDrawingState.colorSpaceAgnostic = false;
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mDrawingState.frameRateSelectionPriority = PRIORITY_UNSET;
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mDrawingState.metadata = args.metadata;
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mDrawingState.shadowRadius = 0.f;
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mDrawingState.fixedTransformHint = ui::Transform::ROT_INVALID;
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mDrawingState.frameTimelineInfo = {};
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mDrawingState.postTime = -1;
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mDrawingState.destinationFrame.makeInvalid();
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mDrawingState.isTrustedOverlay = false;
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mDrawingState.dropInputMode = gui::DropInputMode::NONE;
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mDrawingState.dimmingEnabled = true;
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if (args.flags & ISurfaceComposerClient::eNoColorFill) {
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// Set an invalid color so there is no color fill.
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mDrawingState.color.r = -1.0_hf;
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mDrawingState.color.g = -1.0_hf;
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mDrawingState.color.b = -1.0_hf;
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}
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CompositorTiming compositorTiming;
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args.flinger->getCompositorTiming(&compositorTiming);
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mFrameTracker.setDisplayRefreshPeriod(compositorTiming.interval);
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mCallingPid = args.callingPid;
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mCallingUid = args.callingUid;
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if (mCallingUid == AID_GRAPHICS || mCallingUid == AID_SYSTEM) {
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// If the system didn't send an ownerUid, use the callingUid for the ownerUid.
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mOwnerUid = args.metadata.getInt32(METADATA_OWNER_UID, mCallingUid);
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mOwnerPid = args.metadata.getInt32(METADATA_OWNER_PID, mCallingPid);
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} else {
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// A create layer request from a non system request cannot specify the owner uid
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mOwnerUid = mCallingUid;
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mOwnerPid = mCallingPid;
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}
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}
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void Layer::onFirstRef() {
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mFlinger->onLayerFirstRef(this);
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}
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Layer::~Layer() {
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sp<Client> c(mClientRef.promote());
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if (c != 0) {
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c->detachLayer(this);
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}
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mFrameTracker.logAndResetStats(mName);
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mFlinger->onLayerDestroyed(this);
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if (mDrawingState.sidebandStream != nullptr) {
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mFlinger->mTunnelModeEnabledReporter->decrementTunnelModeCount();
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}
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if (mHadClonedChild) {
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mFlinger->mNumClones--;
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}
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}
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LayerCreationArgs::LayerCreationArgs(SurfaceFlinger* flinger, sp<Client> client, std::string name,
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uint32_t flags, LayerMetadata metadata)
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: flinger(flinger),
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client(std::move(client)),
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name(std::move(name)),
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flags(flags),
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metadata(std::move(metadata)) {
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IPCThreadState* ipc = IPCThreadState::self();
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callingPid = ipc->getCallingPid();
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callingUid = ipc->getCallingUid();
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}
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// ---------------------------------------------------------------------------
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// callbacks
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// ---------------------------------------------------------------------------
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/*
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* onLayerDisplayed is only meaningful for BufferLayer, but, is called through
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* Layer. So, the implementation is done in BufferLayer. When called on a
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* EffectLayer object, it's essentially a NOP.
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*/
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void Layer::onLayerDisplayed(ftl::SharedFuture<FenceResult>) {}
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void Layer::removeRelativeZ(const std::vector<Layer*>& layersInTree) {
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if (mDrawingState.zOrderRelativeOf == nullptr) {
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return;
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}
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sp<Layer> strongRelative = mDrawingState.zOrderRelativeOf.promote();
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if (strongRelative == nullptr) {
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setZOrderRelativeOf(nullptr);
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return;
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}
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if (!std::binary_search(layersInTree.begin(), layersInTree.end(), strongRelative.get())) {
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strongRelative->removeZOrderRelative(this);
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mFlinger->setTransactionFlags(eTraversalNeeded);
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setZOrderRelativeOf(nullptr);
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}
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}
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void Layer::removeFromCurrentState() {
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if (!mRemovedFromDrawingState) {
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mRemovedFromDrawingState = true;
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mFlinger->mScheduler->deregisterLayer(this);
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}
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mFlinger->markLayerPendingRemovalLocked(this);
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}
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sp<Layer> Layer::getRootLayer() {
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sp<Layer> parent = getParent();
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if (parent == nullptr) {
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return this;
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}
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return parent->getRootLayer();
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}
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void Layer::onRemovedFromCurrentState() {
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// Use the root layer since we want to maintain the hierarchy for the entire subtree.
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auto layersInTree = getRootLayer()->getLayersInTree(LayerVector::StateSet::Current);
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std::sort(layersInTree.begin(), layersInTree.end());
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traverse(LayerVector::StateSet::Current, [&](Layer* layer) {
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layer->removeFromCurrentState();
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layer->removeRelativeZ(layersInTree);
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});
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}
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void Layer::addToCurrentState() {
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if (mRemovedFromDrawingState) {
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mRemovedFromDrawingState = false;
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mFlinger->mScheduler->registerLayer(this);
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mFlinger->removeFromOffscreenLayers(this);
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}
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for (const auto& child : mCurrentChildren) {
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child->addToCurrentState();
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}
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}
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// ---------------------------------------------------------------------------
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// set-up
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// ---------------------------------------------------------------------------
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bool Layer::getPremultipledAlpha() const {
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return mPremultipliedAlpha;
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}
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sp<IBinder> Layer::getHandle() {
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Mutex::Autolock _l(mLock);
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if (mGetHandleCalled) {
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ALOGE("Get handle called twice" );
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return nullptr;
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}
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mGetHandleCalled = true;
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return new Handle(mFlinger, this);
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}
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// ---------------------------------------------------------------------------
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// h/w composer set-up
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// ---------------------------------------------------------------------------
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static Rect reduce(const Rect& win, const Region& exclude) {
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if (CC_LIKELY(exclude.isEmpty())) {
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return win;
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}
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if (exclude.isRect()) {
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return win.reduce(exclude.getBounds());
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}
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return Region(win).subtract(exclude).getBounds();
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}
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static FloatRect reduce(const FloatRect& win, const Region& exclude) {
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if (CC_LIKELY(exclude.isEmpty())) {
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return win;
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}
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// Convert through Rect (by rounding) for lack of FloatRegion
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return Region(Rect{win}).subtract(exclude).getBounds().toFloatRect();
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}
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Rect Layer::getScreenBounds(bool reduceTransparentRegion) const {
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if (!reduceTransparentRegion) {
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return Rect{mScreenBounds};
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}
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FloatRect bounds = getBounds();
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ui::Transform t = getTransform();
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// Transform to screen space.
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bounds = t.transform(bounds);
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return Rect{bounds};
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}
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FloatRect Layer::getBounds() const {
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const State& s(getDrawingState());
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return getBounds(getActiveTransparentRegion(s));
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}
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FloatRect Layer::getBounds(const Region& activeTransparentRegion) const {
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// Subtract the transparent region and snap to the bounds.
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return reduce(mBounds, activeTransparentRegion);
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}
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void Layer::computeBounds(FloatRect parentBounds, ui::Transform parentTransform,
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float parentShadowRadius) {
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const State& s(getDrawingState());
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// Calculate effective layer transform
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mEffectiveTransform = parentTransform * getActiveTransform(s);
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if (CC_UNLIKELY(!isTransformValid())) {
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ALOGW("Stop computing bounds for %s because it has invalid transformation.",
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getDebugName());
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return;
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}
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// Transform parent bounds to layer space
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parentBounds = getActiveTransform(s).inverse().transform(parentBounds);
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// Calculate source bounds
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mSourceBounds = computeSourceBounds(parentBounds);
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// Calculate bounds by croping diplay frame with layer crop and parent bounds
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FloatRect bounds = mSourceBounds;
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const Rect layerCrop = getCrop(s);
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if (!layerCrop.isEmpty()) {
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bounds = mSourceBounds.intersect(layerCrop.toFloatRect());
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}
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bounds = bounds.intersect(parentBounds);
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mBounds = bounds;
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mScreenBounds = mEffectiveTransform.transform(mBounds);
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// Use the layer's own shadow radius if set. Otherwise get the radius from
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// parent.
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if (s.shadowRadius > 0.f) {
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mEffectiveShadowRadius = s.shadowRadius;
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} else {
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mEffectiveShadowRadius = parentShadowRadius;
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}
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// Shadow radius is passed down to only one layer so if the layer can draw shadows,
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// don't pass it to its children.
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const float childShadowRadius = canDrawShadows() ? 0.f : mEffectiveShadowRadius;
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for (const sp<Layer>& child : mDrawingChildren) {
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child->computeBounds(mBounds, mEffectiveTransform, childShadowRadius);
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}
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}
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Rect Layer::getCroppedBufferSize(const State& s) const {
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Rect size = getBufferSize(s);
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Rect crop = getCrop(s);
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if (!crop.isEmpty() && size.isValid()) {
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size.intersect(crop, &size);
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} else if (!crop.isEmpty()) {
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size = crop;
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}
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return size;
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}
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void Layer::setupRoundedCornersCropCoordinates(Rect win,
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const FloatRect& roundedCornersCrop) const {
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// Translate win by the rounded corners rect coordinates, to have all values in
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// layer coordinate space.
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win.left -= roundedCornersCrop.left;
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win.right -= roundedCornersCrop.left;
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win.top -= roundedCornersCrop.top;
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win.bottom -= roundedCornersCrop.top;
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}
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void Layer::prepareBasicGeometryCompositionState() {
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const auto& drawingState{getDrawingState()};
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const auto alpha = static_cast<float>(getAlpha());
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const bool opaque = isOpaque(drawingState);
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const bool usesRoundedCorners = hasRoundedCorners();
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auto blendMode = Hwc2::IComposerClient::BlendMode::NONE;
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if (!opaque || alpha != 1.0f) {
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blendMode = mPremultipliedAlpha ? Hwc2::IComposerClient::BlendMode::PREMULTIPLIED
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: Hwc2::IComposerClient::BlendMode::COVERAGE;
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}
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auto* compositionState = editCompositionState();
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compositionState->outputFilter = getOutputFilter();
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compositionState->isVisible = isVisible();
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compositionState->isOpaque = opaque && !usesRoundedCorners && alpha == 1.f;
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compositionState->shadowRadius = mEffectiveShadowRadius;
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compositionState->contentDirty = contentDirty;
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contentDirty = false;
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compositionState->geomLayerBounds = mBounds;
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compositionState->geomLayerTransform = getTransform();
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compositionState->geomInverseLayerTransform = compositionState->geomLayerTransform.inverse();
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compositionState->transparentRegionHint = getActiveTransparentRegion(drawingState);
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compositionState->blendMode = static_cast<Hwc2::IComposerClient::BlendMode>(blendMode);
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compositionState->alpha = alpha;
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compositionState->backgroundBlurRadius = drawingState.backgroundBlurRadius;
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compositionState->blurRegions = drawingState.blurRegions;
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compositionState->stretchEffect = getStretchEffect();
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}
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void Layer::prepareGeometryCompositionState() {
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const auto& drawingState{getDrawingState()};
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auto* compositionState = editCompositionState();
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compositionState->geomBufferSize = getBufferSize(drawingState);
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compositionState->geomContentCrop = getBufferCrop();
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compositionState->geomCrop = getCrop(drawingState);
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compositionState->geomBufferTransform = getBufferTransform();
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compositionState->geomBufferUsesDisplayInverseTransform = getTransformToDisplayInverse();
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compositionState->geomUsesSourceCrop = usesSourceCrop();
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compositionState->isSecure = isSecure();
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compositionState->metadata.clear();
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const auto& supportedMetadata = mFlinger->getHwComposer().getSupportedLayerGenericMetadata();
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for (const auto& [key, mandatory] : supportedMetadata) {
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const auto& genericLayerMetadataCompatibilityMap =
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mFlinger->getGenericLayerMetadataKeyMap();
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auto compatIter = genericLayerMetadataCompatibilityMap.find(key);
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if (compatIter == std::end(genericLayerMetadataCompatibilityMap)) {
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continue;
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}
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const uint32_t id = compatIter->second;
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auto it = drawingState.metadata.mMap.find(id);
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if (it == std::end(drawingState.metadata.mMap)) {
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continue;
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}
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compositionState->metadata
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.emplace(key, compositionengine::GenericLayerMetadataEntry{mandatory, it->second});
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}
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}
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void Layer::preparePerFrameCompositionState() {
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const auto& drawingState{getDrawingState()};
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auto* compositionState = editCompositionState();
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compositionState->forceClientComposition = false;
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compositionState->isColorspaceAgnostic = isColorSpaceAgnostic();
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compositionState->dataspace = getDataSpace();
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compositionState->colorTransform = getColorTransform();
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compositionState->colorTransformIsIdentity = !hasColorTransform();
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compositionState->surfaceDamage = surfaceDamageRegion;
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compositionState->hasProtectedContent = isProtected();
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compositionState->dimmingEnabled = isDimmingEnabled();
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const bool usesRoundedCorners = hasRoundedCorners();
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compositionState->isOpaque =
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isOpaque(drawingState) && !usesRoundedCorners && getAlpha() == 1.0_hf;
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// Force client composition for special cases known only to the front-end.
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// Rounded corners no longer force client composition, since we may use a
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// hole punch so that the layer will appear to have rounded corners.
|
|
if (isHdrY410() || drawShadows() || drawingState.blurRegions.size() > 0 ||
|
|
compositionState->stretchEffect.hasEffect()) {
|
|
compositionState->forceClientComposition = true;
|
|
}
|
|
// If there are no visible region changes, we still need to update blur parameters.
|
|
compositionState->blurRegions = drawingState.blurRegions;
|
|
compositionState->backgroundBlurRadius = drawingState.backgroundBlurRadius;
|
|
|
|
// Layer framerate is used in caching decisions.
|
|
// Retrieve it from the scheduler which maintains an instance of LayerHistory, and store it in
|
|
// LayerFECompositionState where it would be visible to Flattener.
|
|
compositionState->fps = mFlinger->getLayerFramerate(systemTime(), getSequence());
|
|
}
|
|
|
|
void Layer::prepareCursorCompositionState() {
|
|
const State& drawingState{getDrawingState()};
|
|
auto* compositionState = editCompositionState();
|
|
|
|
// Apply the layer's transform, followed by the display's global transform
|
|
// Here we're guaranteed that the layer's transform preserves rects
|
|
Rect win = getCroppedBufferSize(drawingState);
|
|
// Subtract the transparent region and snap to the bounds
|
|
Rect bounds = reduce(win, getActiveTransparentRegion(drawingState));
|
|
Rect frame(getTransform().transform(bounds));
|
|
|
|
compositionState->cursorFrame = frame;
|
|
}
|
|
|
|
sp<compositionengine::LayerFE> Layer::asLayerFE() const {
|
|
return const_cast<compositionengine::LayerFE*>(
|
|
static_cast<const compositionengine::LayerFE*>(this));
|
|
}
|
|
|
|
sp<compositionengine::LayerFE> Layer::getCompositionEngineLayerFE() const {
|
|
return nullptr;
|
|
}
|
|
|
|
compositionengine::LayerFECompositionState* Layer::editCompositionState() {
|
|
return nullptr;
|
|
}
|
|
|
|
const compositionengine::LayerFECompositionState* Layer::getCompositionState() const {
|
|
return nullptr;
|
|
}
|
|
|
|
bool Layer::onPreComposition(nsecs_t) {
|
|
return false;
|
|
}
|
|
|
|
void Layer::prepareCompositionState(compositionengine::LayerFE::StateSubset subset) {
|
|
using StateSubset = compositionengine::LayerFE::StateSubset;
|
|
|
|
switch (subset) {
|
|
case StateSubset::BasicGeometry:
|
|
prepareBasicGeometryCompositionState();
|
|
break;
|
|
|
|
case StateSubset::GeometryAndContent:
|
|
prepareBasicGeometryCompositionState();
|
|
prepareGeometryCompositionState();
|
|
preparePerFrameCompositionState();
|
|
break;
|
|
|
|
case StateSubset::Content:
|
|
preparePerFrameCompositionState();
|
|
break;
|
|
|
|
case StateSubset::Cursor:
|
|
prepareCursorCompositionState();
|
|
break;
|
|
}
|
|
}
|
|
|
|
const char* Layer::getDebugName() const {
|
|
return mName.c_str();
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// drawing...
|
|
// ---------------------------------------------------------------------------
|
|
|
|
std::optional<compositionengine::LayerFE::LayerSettings> Layer::prepareClientComposition(
|
|
compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
|
|
if (!getCompositionState()) {
|
|
return {};
|
|
}
|
|
|
|
FloatRect bounds = getBounds();
|
|
half alpha = getAlpha();
|
|
|
|
compositionengine::LayerFE::LayerSettings layerSettings;
|
|
layerSettings.geometry.boundaries = bounds;
|
|
layerSettings.geometry.positionTransform = getTransform().asMatrix4();
|
|
|
|
// skip drawing content if the targetSettings indicate the content will be occluded
|
|
const bool drawContent = targetSettings.realContentIsVisible || targetSettings.clearContent;
|
|
layerSettings.skipContentDraw = !drawContent;
|
|
|
|
if (hasColorTransform()) {
|
|
layerSettings.colorTransform = getColorTransform();
|
|
}
|
|
|
|
const auto roundedCornerState = getRoundedCornerState();
|
|
layerSettings.geometry.roundedCornersRadius = roundedCornerState.radius;
|
|
layerSettings.geometry.roundedCornersCrop = roundedCornerState.cropRect;
|
|
|
|
layerSettings.alpha = alpha;
|
|
layerSettings.sourceDataspace = getDataSpace();
|
|
|
|
// Override the dataspace transfer from 170M to sRGB if the device configuration requests this.
|
|
// We do this here instead of in buffer info so that dumpsys can still report layers that are
|
|
// using the 170M transfer.
|
|
if (mFlinger->mTreat170mAsSrgb &&
|
|
(layerSettings.sourceDataspace & HAL_DATASPACE_TRANSFER_MASK) ==
|
|
HAL_DATASPACE_TRANSFER_SMPTE_170M) {
|
|
layerSettings.sourceDataspace = static_cast<ui::Dataspace>(
|
|
(layerSettings.sourceDataspace & HAL_DATASPACE_STANDARD_MASK) |
|
|
(layerSettings.sourceDataspace & HAL_DATASPACE_RANGE_MASK) |
|
|
HAL_DATASPACE_TRANSFER_SRGB);
|
|
}
|
|
|
|
layerSettings.whitePointNits = targetSettings.whitePointNits;
|
|
switch (targetSettings.blurSetting) {
|
|
case LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled:
|
|
layerSettings.backgroundBlurRadius = getBackgroundBlurRadius();
|
|
layerSettings.blurRegions = getBlurRegions();
|
|
layerSettings.blurRegionTransform =
|
|
getActiveTransform(getDrawingState()).inverse().asMatrix4();
|
|
break;
|
|
case LayerFE::ClientCompositionTargetSettings::BlurSetting::BackgroundBlurOnly:
|
|
layerSettings.backgroundBlurRadius = getBackgroundBlurRadius();
|
|
break;
|
|
case LayerFE::ClientCompositionTargetSettings::BlurSetting::BlurRegionsOnly:
|
|
layerSettings.blurRegions = getBlurRegions();
|
|
layerSettings.blurRegionTransform =
|
|
getActiveTransform(getDrawingState()).inverse().asMatrix4();
|
|
break;
|
|
case LayerFE::ClientCompositionTargetSettings::BlurSetting::Disabled:
|
|
default:
|
|
break;
|
|
}
|
|
layerSettings.stretchEffect = getStretchEffect();
|
|
// Record the name of the layer for debugging further down the stack.
|
|
layerSettings.name = getName();
|
|
return layerSettings;
|
|
}
|
|
|
|
void Layer::prepareClearClientComposition(LayerFE::LayerSettings& layerSettings,
|
|
bool blackout) const {
|
|
layerSettings.source.buffer.buffer = nullptr;
|
|
layerSettings.source.solidColor = half3(0.0, 0.0, 0.0);
|
|
layerSettings.disableBlending = true;
|
|
layerSettings.bufferId = 0;
|
|
layerSettings.frameNumber = 0;
|
|
|
|
// If layer is blacked out, force alpha to 1 so that we draw a black color layer.
|
|
layerSettings.alpha = blackout ? 1.0f : 0.0f;
|
|
layerSettings.name = getName();
|
|
}
|
|
|
|
// TODO(b/188891810): This method now only ever returns 0 or 1 layers so we should return
|
|
// std::optional instead of a vector. Additionally, we should consider removing
|
|
// this method entirely in favor of calling prepareClientComposition directly.
|
|
std::vector<compositionengine::LayerFE::LayerSettings> Layer::prepareClientCompositionList(
|
|
compositionengine::LayerFE::ClientCompositionTargetSettings& targetSettings) {
|
|
std::optional<compositionengine::LayerFE::LayerSettings> layerSettings =
|
|
prepareClientComposition(targetSettings);
|
|
// Nothing to render.
|
|
if (!layerSettings) {
|
|
return {};
|
|
}
|
|
|
|
// HWC requests to clear this layer.
|
|
if (targetSettings.clearContent) {
|
|
prepareClearClientComposition(*layerSettings, false /* blackout */);
|
|
return {*layerSettings};
|
|
}
|
|
|
|
// set the shadow for the layer if needed
|
|
prepareShadowClientComposition(*layerSettings, targetSettings.viewport);
|
|
|
|
return {*layerSettings};
|
|
}
|
|
|
|
aidl::android::hardware::graphics::composer3::Composition Layer::getCompositionType(
|
|
const DisplayDevice& display) const {
|
|
const auto outputLayer = findOutputLayerForDisplay(&display);
|
|
if (outputLayer == nullptr) {
|
|
return aidl::android::hardware::graphics::composer3::Composition::INVALID;
|
|
}
|
|
if (outputLayer->getState().hwc) {
|
|
return (*outputLayer->getState().hwc).hwcCompositionType;
|
|
} else {
|
|
return aidl::android::hardware::graphics::composer3::Composition::CLIENT;
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// local state
|
|
// ----------------------------------------------------------------------------
|
|
|
|
bool Layer::isSecure() const {
|
|
const State& s(mDrawingState);
|
|
if (s.flags & layer_state_t::eLayerSecure) {
|
|
return true;
|
|
}
|
|
|
|
const auto p = mDrawingParent.promote();
|
|
return (p != nullptr) ? p->isSecure() : false;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// transaction
|
|
// ----------------------------------------------------------------------------
|
|
|
|
uint32_t Layer::doTransaction(uint32_t flags) {
|
|
ATRACE_CALL();
|
|
|
|
// TODO: This is unfortunate.
|
|
mDrawingStateModified = mDrawingState.modified;
|
|
mDrawingState.modified = false;
|
|
|
|
const State& s(getDrawingState());
|
|
|
|
if (updateGeometry()) {
|
|
// invalidate and recompute the visible regions if needed
|
|
flags |= Layer::eVisibleRegion;
|
|
}
|
|
|
|
if (s.sequence != mLastCommittedTxSequence) {
|
|
// invalidate and recompute the visible regions if needed
|
|
mLastCommittedTxSequence = s.sequence;
|
|
flags |= eVisibleRegion;
|
|
this->contentDirty = true;
|
|
|
|
// we may use linear filtering, if the matrix scales us
|
|
mNeedsFiltering = getActiveTransform(s).needsBilinearFiltering();
|
|
}
|
|
|
|
commitTransaction(mDrawingState);
|
|
|
|
return flags;
|
|
}
|
|
|
|
void Layer::commitTransaction(State&) {
|
|
// Set the present state for all bufferlessSurfaceFramesTX to Presented. The
|
|
// bufferSurfaceFrameTX will be presented in latchBuffer.
|
|
for (auto& [token, surfaceFrame] : mDrawingState.bufferlessSurfaceFramesTX) {
|
|
if (surfaceFrame->getPresentState() != PresentState::Presented) {
|
|
// With applyPendingStates, we could end up having presented surfaceframes from previous
|
|
// states
|
|
surfaceFrame->setPresentState(PresentState::Presented);
|
|
mFlinger->mFrameTimeline->addSurfaceFrame(surfaceFrame);
|
|
}
|
|
}
|
|
mDrawingState.bufferlessSurfaceFramesTX.clear();
|
|
}
|
|
|
|
uint32_t Layer::clearTransactionFlags(uint32_t mask) {
|
|
const auto flags = mTransactionFlags & mask;
|
|
mTransactionFlags &= ~mask;
|
|
return flags;
|
|
}
|
|
|
|
void Layer::setTransactionFlags(uint32_t mask) {
|
|
mTransactionFlags |= mask;
|
|
}
|
|
|
|
bool Layer::setPosition(float x, float y) {
|
|
if (mDrawingState.transform.tx() == x && mDrawingState.transform.ty() == y) return false;
|
|
mDrawingState.sequence++;
|
|
mDrawingState.transform.set(x, y);
|
|
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setChildLayer(const sp<Layer>& childLayer, int32_t z) {
|
|
ssize_t idx = mCurrentChildren.indexOf(childLayer);
|
|
if (idx < 0) {
|
|
return false;
|
|
}
|
|
if (childLayer->setLayer(z)) {
|
|
mCurrentChildren.removeAt(idx);
|
|
mCurrentChildren.add(childLayer);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool Layer::setChildRelativeLayer(const sp<Layer>& childLayer,
|
|
const sp<IBinder>& relativeToHandle, int32_t relativeZ) {
|
|
ssize_t idx = mCurrentChildren.indexOf(childLayer);
|
|
if (idx < 0) {
|
|
return false;
|
|
}
|
|
if (childLayer->setRelativeLayer(relativeToHandle, relativeZ)) {
|
|
mCurrentChildren.removeAt(idx);
|
|
mCurrentChildren.add(childLayer);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool Layer::setLayer(int32_t z) {
|
|
if (mDrawingState.z == z && !usingRelativeZ(LayerVector::StateSet::Current)) return false;
|
|
mDrawingState.sequence++;
|
|
mDrawingState.z = z;
|
|
mDrawingState.modified = true;
|
|
|
|
mFlinger->mSomeChildrenChanged = true;
|
|
|
|
// Discard all relative layering.
|
|
if (mDrawingState.zOrderRelativeOf != nullptr) {
|
|
sp<Layer> strongRelative = mDrawingState.zOrderRelativeOf.promote();
|
|
if (strongRelative != nullptr) {
|
|
strongRelative->removeZOrderRelative(this);
|
|
}
|
|
setZOrderRelativeOf(nullptr);
|
|
}
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
void Layer::removeZOrderRelative(const wp<Layer>& relative) {
|
|
mDrawingState.zOrderRelatives.remove(relative);
|
|
mDrawingState.sequence++;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
}
|
|
|
|
void Layer::addZOrderRelative(const wp<Layer>& relative) {
|
|
mDrawingState.zOrderRelatives.add(relative);
|
|
mDrawingState.modified = true;
|
|
mDrawingState.sequence++;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
}
|
|
|
|
void Layer::setZOrderRelativeOf(const wp<Layer>& relativeOf) {
|
|
mDrawingState.zOrderRelativeOf = relativeOf;
|
|
mDrawingState.sequence++;
|
|
mDrawingState.modified = true;
|
|
mDrawingState.isRelativeOf = relativeOf != nullptr;
|
|
|
|
setTransactionFlags(eTransactionNeeded);
|
|
}
|
|
|
|
bool Layer::setRelativeLayer(const sp<IBinder>& relativeToHandle, int32_t relativeZ) {
|
|
sp<Layer> relative = fromHandle(relativeToHandle).promote();
|
|
if (relative == nullptr) {
|
|
return false;
|
|
}
|
|
|
|
if (mDrawingState.z == relativeZ && usingRelativeZ(LayerVector::StateSet::Current) &&
|
|
mDrawingState.zOrderRelativeOf == relative) {
|
|
return false;
|
|
}
|
|
|
|
if (CC_UNLIKELY(relative->usingRelativeZ(LayerVector::StateSet::Drawing)) &&
|
|
(relative->mDrawingState.zOrderRelativeOf == this)) {
|
|
ALOGE("Detected relative layer loop between %s and %s",
|
|
mName.c_str(), relative->mName.c_str());
|
|
ALOGE("Ignoring new call to set relative layer");
|
|
return false;
|
|
}
|
|
|
|
mFlinger->mSomeChildrenChanged = true;
|
|
|
|
mDrawingState.sequence++;
|
|
mDrawingState.modified = true;
|
|
mDrawingState.z = relativeZ;
|
|
|
|
auto oldZOrderRelativeOf = mDrawingState.zOrderRelativeOf.promote();
|
|
if (oldZOrderRelativeOf != nullptr) {
|
|
oldZOrderRelativeOf->removeZOrderRelative(this);
|
|
}
|
|
setZOrderRelativeOf(relative);
|
|
relative->addZOrderRelative(this);
|
|
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setTrustedOverlay(bool isTrustedOverlay) {
|
|
if (mDrawingState.isTrustedOverlay == isTrustedOverlay) return false;
|
|
mDrawingState.isTrustedOverlay = isTrustedOverlay;
|
|
mDrawingState.modified = true;
|
|
mFlinger->mInputInfoChanged = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::isTrustedOverlay() const {
|
|
if (getDrawingState().isTrustedOverlay) {
|
|
return true;
|
|
}
|
|
const auto& p = mDrawingParent.promote();
|
|
return (p != nullptr) && p->isTrustedOverlay();
|
|
}
|
|
|
|
bool Layer::setSize(uint32_t w, uint32_t h) {
|
|
if (mDrawingState.requested_legacy.w == w && mDrawingState.requested_legacy.h == h)
|
|
return false;
|
|
mDrawingState.requested_legacy.w = w;
|
|
mDrawingState.requested_legacy.h = h;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
// record the new size, from this point on, when the client request
|
|
// a buffer, it'll get the new size.
|
|
setDefaultBufferSize(mDrawingState.requested_legacy.w, mDrawingState.requested_legacy.h);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setAlpha(float alpha) {
|
|
if (mDrawingState.color.a == alpha) return false;
|
|
mDrawingState.sequence++;
|
|
mDrawingState.color.a = alpha;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setBackgroundColor(const half3& color, float alpha, ui::Dataspace dataspace) {
|
|
if (!mDrawingState.bgColorLayer && alpha == 0) {
|
|
return false;
|
|
}
|
|
mDrawingState.sequence++;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
if (!mDrawingState.bgColorLayer && alpha != 0) {
|
|
// create background color layer if one does not yet exist
|
|
uint32_t flags = ISurfaceComposerClient::eFXSurfaceEffect;
|
|
std::string name = mName + "BackgroundColorLayer";
|
|
mDrawingState.bgColorLayer = mFlinger->getFactory().createEffectLayer(
|
|
LayerCreationArgs(mFlinger.get(), nullptr, std::move(name), flags,
|
|
LayerMetadata()));
|
|
|
|
// add to child list
|
|
addChild(mDrawingState.bgColorLayer);
|
|
mFlinger->mLayersAdded = true;
|
|
// set up SF to handle added color layer
|
|
if (isRemovedFromCurrentState()) {
|
|
mDrawingState.bgColorLayer->onRemovedFromCurrentState();
|
|
}
|
|
mFlinger->setTransactionFlags(eTransactionNeeded);
|
|
} else if (mDrawingState.bgColorLayer && alpha == 0) {
|
|
mDrawingState.bgColorLayer->reparent(nullptr);
|
|
mDrawingState.bgColorLayer = nullptr;
|
|
return true;
|
|
}
|
|
|
|
mDrawingState.bgColorLayer->setColor(color);
|
|
mDrawingState.bgColorLayer->setLayer(std::numeric_limits<int32_t>::min());
|
|
mDrawingState.bgColorLayer->setAlpha(alpha);
|
|
mDrawingState.bgColorLayer->setDataspace(dataspace);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setCornerRadius(float cornerRadius) {
|
|
if (mDrawingState.cornerRadius == cornerRadius) return false;
|
|
|
|
mDrawingState.sequence++;
|
|
mDrawingState.cornerRadius = cornerRadius;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setBackgroundBlurRadius(int backgroundBlurRadius) {
|
|
if (mDrawingState.backgroundBlurRadius == backgroundBlurRadius) return false;
|
|
// If we start or stop drawing blur then the layer's visibility state may change so increment
|
|
// the magic sequence number.
|
|
if (mDrawingState.backgroundBlurRadius == 0 || backgroundBlurRadius == 0) {
|
|
mDrawingState.sequence++;
|
|
}
|
|
mDrawingState.backgroundBlurRadius = backgroundBlurRadius;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
bool Layer::setMatrix(const layer_state_t::matrix22_t& matrix) {
|
|
ui::Transform t;
|
|
t.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
|
|
|
|
mDrawingState.sequence++;
|
|
mDrawingState.transform.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
|
|
mDrawingState.modified = true;
|
|
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setTransparentRegionHint(const Region& transparent) {
|
|
mDrawingState.requestedTransparentRegion_legacy = transparent;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setBlurRegions(const std::vector<BlurRegion>& blurRegions) {
|
|
// If we start or stop drawing blur then the layer's visibility state may change so increment
|
|
// the magic sequence number.
|
|
if (mDrawingState.blurRegions.size() == 0 || blurRegions.size() == 0) {
|
|
mDrawingState.sequence++;
|
|
}
|
|
mDrawingState.blurRegions = blurRegions;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setFlags(uint32_t flags, uint32_t mask) {
|
|
const uint32_t newFlags = (mDrawingState.flags & ~mask) | (flags & mask);
|
|
if (mDrawingState.flags == newFlags) return false;
|
|
mDrawingState.sequence++;
|
|
mDrawingState.flags = newFlags;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setCrop(const Rect& crop) {
|
|
if (mDrawingState.requestedCrop == crop) return false;
|
|
mDrawingState.sequence++;
|
|
mDrawingState.requestedCrop = crop;
|
|
mDrawingState.crop = crop;
|
|
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setMetadata(const LayerMetadata& data) {
|
|
if (!mDrawingState.metadata.merge(data, true /* eraseEmpty */)) return false;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setLayerStack(ui::LayerStack layerStack) {
|
|
if (mDrawingState.layerStack == layerStack) return false;
|
|
mDrawingState.sequence++;
|
|
mDrawingState.layerStack = layerStack;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setColorSpaceAgnostic(const bool agnostic) {
|
|
if (mDrawingState.colorSpaceAgnostic == agnostic) {
|
|
return false;
|
|
}
|
|
mDrawingState.sequence++;
|
|
mDrawingState.colorSpaceAgnostic = agnostic;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setDimmingEnabled(const bool dimmingEnabled) {
|
|
if (mDrawingState.dimmingEnabled == dimmingEnabled) return false;
|
|
|
|
mDrawingState.sequence++;
|
|
mDrawingState.dimmingEnabled = dimmingEnabled;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setFrameRateSelectionPriority(int32_t priority) {
|
|
if (mDrawingState.frameRateSelectionPriority == priority) return false;
|
|
mDrawingState.frameRateSelectionPriority = priority;
|
|
mDrawingState.sequence++;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
int32_t Layer::getFrameRateSelectionPriority() const {
|
|
// Check if layer has priority set.
|
|
if (mDrawingState.frameRateSelectionPriority != PRIORITY_UNSET) {
|
|
return mDrawingState.frameRateSelectionPriority;
|
|
}
|
|
// If not, search whether its parents have it set.
|
|
sp<Layer> parent = getParent();
|
|
if (parent != nullptr) {
|
|
return parent->getFrameRateSelectionPriority();
|
|
}
|
|
|
|
return Layer::PRIORITY_UNSET;
|
|
}
|
|
|
|
bool Layer::isLayerFocusedBasedOnPriority(int32_t priority) {
|
|
return priority == PRIORITY_FOCUSED_WITH_MODE || priority == PRIORITY_FOCUSED_WITHOUT_MODE;
|
|
};
|
|
|
|
ui::LayerStack Layer::getLayerStack() const {
|
|
if (const auto parent = mDrawingParent.promote()) {
|
|
return parent->getLayerStack();
|
|
}
|
|
return getDrawingState().layerStack;
|
|
}
|
|
|
|
bool Layer::setShadowRadius(float shadowRadius) {
|
|
if (mDrawingState.shadowRadius == shadowRadius) {
|
|
return false;
|
|
}
|
|
|
|
mDrawingState.sequence++;
|
|
mDrawingState.shadowRadius = shadowRadius;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setFixedTransformHint(ui::Transform::RotationFlags fixedTransformHint) {
|
|
if (mDrawingState.fixedTransformHint == fixedTransformHint) {
|
|
return false;
|
|
}
|
|
|
|
mDrawingState.sequence++;
|
|
mDrawingState.fixedTransformHint = fixedTransformHint;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setStretchEffect(const StretchEffect& effect) {
|
|
StretchEffect temp = effect;
|
|
temp.sanitize();
|
|
if (mDrawingState.stretchEffect == temp) {
|
|
return false;
|
|
}
|
|
mDrawingState.sequence++;
|
|
mDrawingState.stretchEffect = temp;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
StretchEffect Layer::getStretchEffect() const {
|
|
if (mDrawingState.stretchEffect.hasEffect()) {
|
|
return mDrawingState.stretchEffect;
|
|
}
|
|
|
|
sp<Layer> parent = getParent();
|
|
if (parent != nullptr) {
|
|
auto effect = parent->getStretchEffect();
|
|
if (effect.hasEffect()) {
|
|
// TODO(b/179047472): Map it? Or do we make the effect be in global space?
|
|
return effect;
|
|
}
|
|
}
|
|
return StretchEffect{};
|
|
}
|
|
|
|
bool Layer::propagateFrameRateForLayerTree(FrameRate parentFrameRate, bool* transactionNeeded) {
|
|
// The frame rate for layer tree is this layer's frame rate if present, or the parent frame rate
|
|
const auto frameRate = [&] {
|
|
if (mDrawingState.frameRate.rate.isValid() ||
|
|
mDrawingState.frameRate.type == FrameRateCompatibility::NoVote) {
|
|
return mDrawingState.frameRate;
|
|
}
|
|
|
|
return parentFrameRate;
|
|
}();
|
|
|
|
*transactionNeeded |= setFrameRateForLayerTree(frameRate);
|
|
|
|
// The frame rate is propagated to the children
|
|
bool childrenHaveFrameRate = false;
|
|
for (const sp<Layer>& child : mCurrentChildren) {
|
|
childrenHaveFrameRate |=
|
|
child->propagateFrameRateForLayerTree(frameRate, transactionNeeded);
|
|
}
|
|
|
|
// If we don't have a valid frame rate, but the children do, we set this
|
|
// layer as NoVote to allow the children to control the refresh rate
|
|
if (!frameRate.rate.isValid() && frameRate.type != FrameRateCompatibility::NoVote &&
|
|
childrenHaveFrameRate) {
|
|
*transactionNeeded |=
|
|
setFrameRateForLayerTree(FrameRate(Fps(), FrameRateCompatibility::NoVote));
|
|
}
|
|
|
|
// We return whether this layer ot its children has a vote. We ignore ExactOrMultiple votes for
|
|
// the same reason we are allowing touch boost for those layers. See
|
|
// RefreshRateConfigs::getBestRefreshRate for more details.
|
|
const auto layerVotedWithDefaultCompatibility =
|
|
frameRate.rate.isValid() && frameRate.type == FrameRateCompatibility::Default;
|
|
const auto layerVotedWithNoVote = frameRate.type == FrameRateCompatibility::NoVote;
|
|
const auto layerVotedWithExactCompatibility =
|
|
frameRate.rate.isValid() && frameRate.type == FrameRateCompatibility::Exact;
|
|
return layerVotedWithDefaultCompatibility || layerVotedWithNoVote ||
|
|
layerVotedWithExactCompatibility || childrenHaveFrameRate;
|
|
}
|
|
|
|
void Layer::updateTreeHasFrameRateVote() {
|
|
const auto root = [&]() -> sp<Layer> {
|
|
sp<Layer> layer = this;
|
|
while (auto parent = layer->getParent()) {
|
|
layer = parent;
|
|
}
|
|
return layer;
|
|
}();
|
|
|
|
bool transactionNeeded = false;
|
|
root->propagateFrameRateForLayerTree({}, &transactionNeeded);
|
|
|
|
// TODO(b/195668952): we probably don't need eTraversalNeeded here
|
|
if (transactionNeeded) {
|
|
mFlinger->setTransactionFlags(eTraversalNeeded);
|
|
}
|
|
}
|
|
|
|
bool Layer::setFrameRate(FrameRate frameRate) {
|
|
if (mDrawingState.frameRate == frameRate) {
|
|
return false;
|
|
}
|
|
|
|
mDrawingState.sequence++;
|
|
mDrawingState.frameRate = frameRate;
|
|
mDrawingState.modified = true;
|
|
|
|
updateTreeHasFrameRateVote();
|
|
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
void Layer::setFrameTimelineVsyncForBufferTransaction(const FrameTimelineInfo& info,
|
|
nsecs_t postTime) {
|
|
mDrawingState.postTime = postTime;
|
|
|
|
// Check if one of the bufferlessSurfaceFramesTX contains the same vsyncId. This can happen if
|
|
// there are two transactions with the same token, the first one without a buffer and the
|
|
// second one with a buffer. We promote the bufferlessSurfaceFrame to a bufferSurfaceFrameTX
|
|
// in that case.
|
|
auto it = mDrawingState.bufferlessSurfaceFramesTX.find(info.vsyncId);
|
|
if (it != mDrawingState.bufferlessSurfaceFramesTX.end()) {
|
|
// Promote the bufferlessSurfaceFrame to a bufferSurfaceFrameTX
|
|
mDrawingState.bufferSurfaceFrameTX = it->second;
|
|
mDrawingState.bufferlessSurfaceFramesTX.erase(it);
|
|
mDrawingState.bufferSurfaceFrameTX->promoteToBuffer();
|
|
mDrawingState.bufferSurfaceFrameTX->setActualQueueTime(postTime);
|
|
} else {
|
|
mDrawingState.bufferSurfaceFrameTX =
|
|
createSurfaceFrameForBuffer(info, postTime, mTransactionName);
|
|
}
|
|
}
|
|
|
|
void Layer::setFrameTimelineVsyncForBufferlessTransaction(const FrameTimelineInfo& info,
|
|
nsecs_t postTime) {
|
|
mDrawingState.frameTimelineInfo = info;
|
|
mDrawingState.postTime = postTime;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
if (const auto& bufferSurfaceFrameTX = mDrawingState.bufferSurfaceFrameTX;
|
|
bufferSurfaceFrameTX != nullptr) {
|
|
if (bufferSurfaceFrameTX->getToken() == info.vsyncId) {
|
|
// BufferSurfaceFrame takes precedence over BufferlessSurfaceFrame. If the same token is
|
|
// being used for BufferSurfaceFrame, don't create a new one.
|
|
return;
|
|
}
|
|
}
|
|
// For Transactions without a buffer, we create only one SurfaceFrame per vsyncId. If multiple
|
|
// transactions use the same vsyncId, we just treat them as one SurfaceFrame (unless they are
|
|
// targeting different vsyncs).
|
|
auto it = mDrawingState.bufferlessSurfaceFramesTX.find(info.vsyncId);
|
|
if (it == mDrawingState.bufferlessSurfaceFramesTX.end()) {
|
|
auto surfaceFrame = createSurfaceFrameForTransaction(info, postTime);
|
|
mDrawingState.bufferlessSurfaceFramesTX[info.vsyncId] = surfaceFrame;
|
|
} else {
|
|
if (it->second->getPresentState() == PresentState::Presented) {
|
|
// If the SurfaceFrame was already presented, its safe to overwrite it since it must
|
|
// have been from previous vsync.
|
|
it->second = createSurfaceFrameForTransaction(info, postTime);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Layer::addSurfaceFrameDroppedForBuffer(
|
|
std::shared_ptr<frametimeline::SurfaceFrame>& surfaceFrame) {
|
|
surfaceFrame->setDropTime(systemTime());
|
|
surfaceFrame->setPresentState(PresentState::Dropped);
|
|
mFlinger->mFrameTimeline->addSurfaceFrame(surfaceFrame);
|
|
}
|
|
|
|
void Layer::addSurfaceFramePresentedForBuffer(
|
|
std::shared_ptr<frametimeline::SurfaceFrame>& surfaceFrame, nsecs_t acquireFenceTime,
|
|
nsecs_t currentLatchTime) {
|
|
surfaceFrame->setAcquireFenceTime(acquireFenceTime);
|
|
surfaceFrame->setPresentState(PresentState::Presented, mLastLatchTime);
|
|
mFlinger->mFrameTimeline->addSurfaceFrame(surfaceFrame);
|
|
mLastLatchTime = currentLatchTime;
|
|
}
|
|
|
|
std::shared_ptr<frametimeline::SurfaceFrame> Layer::createSurfaceFrameForTransaction(
|
|
const FrameTimelineInfo& info, nsecs_t postTime) {
|
|
auto surfaceFrame =
|
|
mFlinger->mFrameTimeline->createSurfaceFrameForToken(info, mOwnerPid, mOwnerUid,
|
|
getSequence(), mName,
|
|
mTransactionName,
|
|
/*isBuffer*/ false, getGameMode());
|
|
surfaceFrame->setActualStartTime(info.startTimeNanos);
|
|
// For Transactions, the post time is considered to be both queue and acquire fence time.
|
|
surfaceFrame->setActualQueueTime(postTime);
|
|
surfaceFrame->setAcquireFenceTime(postTime);
|
|
const auto fps = mFlinger->mScheduler->getFrameRateOverride(getOwnerUid());
|
|
if (fps) {
|
|
surfaceFrame->setRenderRate(*fps);
|
|
}
|
|
onSurfaceFrameCreated(surfaceFrame);
|
|
return surfaceFrame;
|
|
}
|
|
|
|
std::shared_ptr<frametimeline::SurfaceFrame> Layer::createSurfaceFrameForBuffer(
|
|
const FrameTimelineInfo& info, nsecs_t queueTime, std::string debugName) {
|
|
auto surfaceFrame =
|
|
mFlinger->mFrameTimeline->createSurfaceFrameForToken(info, mOwnerPid, mOwnerUid,
|
|
getSequence(), mName, debugName,
|
|
/*isBuffer*/ true, getGameMode());
|
|
surfaceFrame->setActualStartTime(info.startTimeNanos);
|
|
// For buffers, acquire fence time will set during latch.
|
|
surfaceFrame->setActualQueueTime(queueTime);
|
|
const auto fps = mFlinger->mScheduler->getFrameRateOverride(getOwnerUid());
|
|
if (fps) {
|
|
surfaceFrame->setRenderRate(*fps);
|
|
}
|
|
// TODO(b/178542907): Implement onSurfaceFrameCreated for BQLayer as well.
|
|
onSurfaceFrameCreated(surfaceFrame);
|
|
return surfaceFrame;
|
|
}
|
|
|
|
bool Layer::setFrameRateForLayerTree(FrameRate frameRate) {
|
|
if (mDrawingState.frameRateForLayerTree == frameRate) {
|
|
return false;
|
|
}
|
|
|
|
mDrawingState.frameRateForLayerTree = frameRate;
|
|
|
|
// TODO(b/195668952): we probably don't need to dirty visible regions here
|
|
// or even store frameRateForLayerTree in mDrawingState
|
|
mDrawingState.sequence++;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
using LayerUpdateType = scheduler::LayerHistory::LayerUpdateType;
|
|
mFlinger->mScheduler->recordLayerHistory(this, systemTime(), LayerUpdateType::SetFrameRate);
|
|
|
|
return true;
|
|
}
|
|
|
|
Layer::FrameRate Layer::getFrameRateForLayerTree() const {
|
|
return getDrawingState().frameRateForLayerTree;
|
|
}
|
|
|
|
bool Layer::isHiddenByPolicy() const {
|
|
const State& s(mDrawingState);
|
|
const auto& parent = mDrawingParent.promote();
|
|
if (parent != nullptr && parent->isHiddenByPolicy()) {
|
|
return true;
|
|
}
|
|
if (usingRelativeZ(LayerVector::StateSet::Drawing)) {
|
|
auto zOrderRelativeOf = mDrawingState.zOrderRelativeOf.promote();
|
|
if (zOrderRelativeOf != nullptr) {
|
|
if (zOrderRelativeOf->isHiddenByPolicy()) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
if (CC_UNLIKELY(!isTransformValid())) {
|
|
ALOGW("Hide layer %s because it has invalid transformation.", getDebugName());
|
|
return true;
|
|
}
|
|
return s.flags & layer_state_t::eLayerHidden;
|
|
}
|
|
|
|
uint32_t Layer::getEffectiveUsage(uint32_t usage) const {
|
|
// TODO: should we do something special if mSecure is set?
|
|
if (mProtectedByApp) {
|
|
// need a hardware-protected path to external video sink
|
|
usage |= GraphicBuffer::USAGE_PROTECTED;
|
|
}
|
|
if (mPotentialCursor) {
|
|
usage |= GraphicBuffer::USAGE_CURSOR;
|
|
}
|
|
usage |= GraphicBuffer::USAGE_HW_COMPOSER;
|
|
return usage;
|
|
}
|
|
|
|
void Layer::updateTransformHint(ui::Transform::RotationFlags transformHint) {
|
|
if (mFlinger->mDebugDisableTransformHint || transformHint & ui::Transform::ROT_INVALID) {
|
|
transformHint = ui::Transform::ROT_0;
|
|
}
|
|
|
|
setTransformHint(transformHint);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// debugging
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// TODO(marissaw): add new layer state info to layer debugging
|
|
LayerDebugInfo Layer::getLayerDebugInfo(const DisplayDevice* display) const {
|
|
using namespace std::string_literals;
|
|
|
|
LayerDebugInfo info;
|
|
const State& ds = getDrawingState();
|
|
info.mName = getName();
|
|
sp<Layer> parent = mDrawingParent.promote();
|
|
info.mParentName = parent ? parent->getName() : "none"s;
|
|
info.mType = getType();
|
|
info.mTransparentRegion = ds.activeTransparentRegion_legacy;
|
|
|
|
info.mVisibleRegion = getVisibleRegion(display);
|
|
info.mSurfaceDamageRegion = surfaceDamageRegion;
|
|
info.mLayerStack = getLayerStack().id;
|
|
info.mX = ds.transform.tx();
|
|
info.mY = ds.transform.ty();
|
|
info.mZ = ds.z;
|
|
info.mWidth = ds.width;
|
|
info.mHeight = ds.height;
|
|
info.mCrop = ds.crop;
|
|
info.mColor = ds.color;
|
|
info.mFlags = ds.flags;
|
|
info.mPixelFormat = getPixelFormat();
|
|
info.mDataSpace = static_cast<android_dataspace>(getDataSpace());
|
|
info.mMatrix[0][0] = ds.transform[0][0];
|
|
info.mMatrix[0][1] = ds.transform[0][1];
|
|
info.mMatrix[1][0] = ds.transform[1][0];
|
|
info.mMatrix[1][1] = ds.transform[1][1];
|
|
{
|
|
sp<const GraphicBuffer> buffer = getBuffer();
|
|
if (buffer != 0) {
|
|
info.mActiveBufferWidth = buffer->getWidth();
|
|
info.mActiveBufferHeight = buffer->getHeight();
|
|
info.mActiveBufferStride = buffer->getStride();
|
|
info.mActiveBufferFormat = buffer->format;
|
|
} else {
|
|
info.mActiveBufferWidth = 0;
|
|
info.mActiveBufferHeight = 0;
|
|
info.mActiveBufferStride = 0;
|
|
info.mActiveBufferFormat = 0;
|
|
}
|
|
}
|
|
info.mNumQueuedFrames = getQueuedFrameCount();
|
|
info.mIsOpaque = isOpaque(ds);
|
|
info.mContentDirty = contentDirty;
|
|
info.mStretchEffect = getStretchEffect();
|
|
return info;
|
|
}
|
|
|
|
void Layer::miniDumpHeader(std::string& result) {
|
|
result.append(kDumpTableRowLength, '-');
|
|
result.append("\n");
|
|
result.append(" Layer name\n");
|
|
result.append(" Z | ");
|
|
result.append(" Window Type | ");
|
|
result.append(" Comp Type | ");
|
|
result.append(" Transform | ");
|
|
result.append(" Disp Frame (LTRB) | ");
|
|
result.append(" Source Crop (LTRB) | ");
|
|
result.append(" Frame Rate (Explicit) (Seamlessness) [Focused]\n");
|
|
result.append(kDumpTableRowLength, '-');
|
|
result.append("\n");
|
|
}
|
|
|
|
void Layer::miniDump(std::string& result, const DisplayDevice& display) const {
|
|
const auto outputLayer = findOutputLayerForDisplay(&display);
|
|
if (!outputLayer) {
|
|
return;
|
|
}
|
|
|
|
std::string name;
|
|
if (mName.length() > 77) {
|
|
std::string shortened;
|
|
shortened.append(mName, 0, 36);
|
|
shortened.append("[...]");
|
|
shortened.append(mName, mName.length() - 36);
|
|
name = std::move(shortened);
|
|
} else {
|
|
name = mName;
|
|
}
|
|
|
|
StringAppendF(&result, " %s\n", name.c_str());
|
|
|
|
const State& layerState(getDrawingState());
|
|
const auto& outputLayerState = outputLayer->getState();
|
|
|
|
if (layerState.zOrderRelativeOf != nullptr || mDrawingParent != nullptr) {
|
|
StringAppendF(&result, " rel %6d | ", layerState.z);
|
|
} else {
|
|
StringAppendF(&result, " %10d | ", layerState.z);
|
|
}
|
|
StringAppendF(&result, " %10d | ", mWindowType);
|
|
StringAppendF(&result, "%10s | ", toString(getCompositionType(display)).c_str());
|
|
StringAppendF(&result, "%10s | ", toString(outputLayerState.bufferTransform).c_str());
|
|
const Rect& frame = outputLayerState.displayFrame;
|
|
StringAppendF(&result, "%4d %4d %4d %4d | ", frame.left, frame.top, frame.right, frame.bottom);
|
|
const FloatRect& crop = outputLayerState.sourceCrop;
|
|
StringAppendF(&result, "%6.1f %6.1f %6.1f %6.1f | ", crop.left, crop.top, crop.right,
|
|
crop.bottom);
|
|
const auto frameRate = getFrameRateForLayerTree();
|
|
if (frameRate.rate.isValid() || frameRate.type != FrameRateCompatibility::Default) {
|
|
StringAppendF(&result, "%s %15s %17s", to_string(frameRate.rate).c_str(),
|
|
ftl::enum_string(frameRate.type).c_str(),
|
|
ftl::enum_string(frameRate.seamlessness).c_str());
|
|
} else {
|
|
result.append(41, ' ');
|
|
}
|
|
|
|
const auto focused = isLayerFocusedBasedOnPriority(getFrameRateSelectionPriority());
|
|
StringAppendF(&result, " [%s]\n", focused ? "*" : " ");
|
|
|
|
result.append(kDumpTableRowLength, '-');
|
|
result.append("\n");
|
|
}
|
|
|
|
void Layer::dumpFrameStats(std::string& result) const {
|
|
mFrameTracker.dumpStats(result);
|
|
}
|
|
|
|
void Layer::clearFrameStats() {
|
|
mFrameTracker.clearStats();
|
|
}
|
|
|
|
void Layer::logFrameStats() {
|
|
mFrameTracker.logAndResetStats(mName);
|
|
}
|
|
|
|
void Layer::getFrameStats(FrameStats* outStats) const {
|
|
mFrameTracker.getStats(outStats);
|
|
}
|
|
|
|
void Layer::dumpCallingUidPid(std::string& result) const {
|
|
StringAppendF(&result, "Layer %s (%s) callingPid:%d callingUid:%d ownerUid:%d\n",
|
|
getName().c_str(), getType(), mCallingPid, mCallingUid, mOwnerUid);
|
|
}
|
|
|
|
void Layer::onDisconnect() {
|
|
const int32_t layerId = getSequence();
|
|
mFlinger->mTimeStats->onDestroy(layerId);
|
|
mFlinger->mFrameTracer->onDestroy(layerId);
|
|
}
|
|
|
|
size_t Layer::getChildrenCount() const {
|
|
size_t count = 0;
|
|
for (const sp<Layer>& child : mCurrentChildren) {
|
|
count += 1 + child->getChildrenCount();
|
|
}
|
|
return count;
|
|
}
|
|
|
|
void Layer::setGameModeForTree(GameMode gameMode) {
|
|
const auto& currentState = getDrawingState();
|
|
if (currentState.metadata.has(METADATA_GAME_MODE)) {
|
|
gameMode = static_cast<GameMode>(currentState.metadata.getInt32(METADATA_GAME_MODE, 0));
|
|
}
|
|
setGameMode(gameMode);
|
|
for (const sp<Layer>& child : mCurrentChildren) {
|
|
child->setGameModeForTree(gameMode);
|
|
}
|
|
}
|
|
|
|
void Layer::addChild(const sp<Layer>& layer) {
|
|
mFlinger->mSomeChildrenChanged = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
mCurrentChildren.add(layer);
|
|
layer->setParent(this);
|
|
layer->setGameModeForTree(mGameMode);
|
|
updateTreeHasFrameRateVote();
|
|
}
|
|
|
|
ssize_t Layer::removeChild(const sp<Layer>& layer) {
|
|
mFlinger->mSomeChildrenChanged = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
|
|
layer->setParent(nullptr);
|
|
const auto removeResult = mCurrentChildren.remove(layer);
|
|
|
|
updateTreeHasFrameRateVote();
|
|
layer->setGameModeForTree(GameMode::Unsupported);
|
|
layer->updateTreeHasFrameRateVote();
|
|
|
|
return removeResult;
|
|
}
|
|
|
|
void Layer::setChildrenDrawingParent(const sp<Layer>& newParent) {
|
|
for (const sp<Layer>& child : mDrawingChildren) {
|
|
child->mDrawingParent = newParent;
|
|
child->computeBounds(newParent->mBounds, newParent->mEffectiveTransform,
|
|
newParent->mEffectiveShadowRadius);
|
|
}
|
|
}
|
|
|
|
bool Layer::reparent(const sp<IBinder>& newParentHandle) {
|
|
sp<Layer> newParent;
|
|
if (newParentHandle != nullptr) {
|
|
newParent = fromHandle(newParentHandle).promote();
|
|
if (newParent == nullptr) {
|
|
ALOGE("Unable to promote Layer handle");
|
|
return false;
|
|
}
|
|
if (newParent == this) {
|
|
ALOGE("Invalid attempt to reparent Layer (%s) to itself", getName().c_str());
|
|
return false;
|
|
}
|
|
}
|
|
|
|
sp<Layer> parent = getParent();
|
|
if (parent != nullptr) {
|
|
parent->removeChild(this);
|
|
}
|
|
|
|
if (newParentHandle != nullptr) {
|
|
newParent->addChild(this);
|
|
if (!newParent->isRemovedFromCurrentState()) {
|
|
addToCurrentState();
|
|
} else {
|
|
onRemovedFromCurrentState();
|
|
}
|
|
} else {
|
|
onRemovedFromCurrentState();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool Layer::setColorTransform(const mat4& matrix) {
|
|
static const mat4 identityMatrix = mat4();
|
|
|
|
if (mDrawingState.colorTransform == matrix) {
|
|
return false;
|
|
}
|
|
++mDrawingState.sequence;
|
|
mDrawingState.colorTransform = matrix;
|
|
mDrawingState.hasColorTransform = matrix != identityMatrix;
|
|
mDrawingState.modified = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
return true;
|
|
}
|
|
|
|
mat4 Layer::getColorTransform() const {
|
|
mat4 colorTransform = mat4(getDrawingState().colorTransform);
|
|
if (sp<Layer> parent = mDrawingParent.promote(); parent != nullptr) {
|
|
colorTransform = parent->getColorTransform() * colorTransform;
|
|
}
|
|
return colorTransform;
|
|
}
|
|
|
|
bool Layer::hasColorTransform() const {
|
|
bool hasColorTransform = getDrawingState().hasColorTransform;
|
|
if (sp<Layer> parent = mDrawingParent.promote(); parent != nullptr) {
|
|
hasColorTransform = hasColorTransform || parent->hasColorTransform();
|
|
}
|
|
return hasColorTransform;
|
|
}
|
|
|
|
bool Layer::isLegacyDataSpace() const {
|
|
// return true when no higher bits are set
|
|
return !(getDataSpace() &
|
|
(ui::Dataspace::STANDARD_MASK | ui::Dataspace::TRANSFER_MASK |
|
|
ui::Dataspace::RANGE_MASK));
|
|
}
|
|
|
|
void Layer::setParent(const sp<Layer>& layer) {
|
|
mCurrentParent = layer;
|
|
}
|
|
|
|
int32_t Layer::getZ(LayerVector::StateSet) const {
|
|
return mDrawingState.z;
|
|
}
|
|
|
|
bool Layer::usingRelativeZ(LayerVector::StateSet stateSet) const {
|
|
const bool useDrawing = stateSet == LayerVector::StateSet::Drawing;
|
|
const State& state = useDrawing ? mDrawingState : mDrawingState;
|
|
return state.isRelativeOf;
|
|
}
|
|
|
|
__attribute__((no_sanitize("unsigned-integer-overflow"))) LayerVector Layer::makeTraversalList(
|
|
LayerVector::StateSet stateSet, bool* outSkipRelativeZUsers) {
|
|
LOG_ALWAYS_FATAL_IF(stateSet == LayerVector::StateSet::Invalid,
|
|
"makeTraversalList received invalid stateSet");
|
|
const bool useDrawing = stateSet == LayerVector::StateSet::Drawing;
|
|
const LayerVector& children = useDrawing ? mDrawingChildren : mCurrentChildren;
|
|
const State& state = useDrawing ? mDrawingState : mDrawingState;
|
|
|
|
if (state.zOrderRelatives.size() == 0) {
|
|
*outSkipRelativeZUsers = true;
|
|
return children;
|
|
}
|
|
|
|
LayerVector traverse(stateSet);
|
|
for (const wp<Layer>& weakRelative : state.zOrderRelatives) {
|
|
sp<Layer> strongRelative = weakRelative.promote();
|
|
if (strongRelative != nullptr) {
|
|
traverse.add(strongRelative);
|
|
}
|
|
}
|
|
|
|
for (const sp<Layer>& child : children) {
|
|
if (child->usingRelativeZ(stateSet)) {
|
|
continue;
|
|
}
|
|
traverse.add(child);
|
|
}
|
|
|
|
return traverse;
|
|
}
|
|
|
|
/**
|
|
* Negatively signed relatives are before 'this' in Z-order.
|
|
*/
|
|
void Layer::traverseInZOrder(LayerVector::StateSet stateSet, const LayerVector::Visitor& visitor) {
|
|
// In the case we have other layers who are using a relative Z to us, makeTraversalList will
|
|
// produce a new list for traversing, including our relatives, and not including our children
|
|
// who are relatives of another surface. In the case that there are no relative Z,
|
|
// makeTraversalList returns our children directly to avoid significant overhead.
|
|
// However in this case we need to take the responsibility for filtering children which
|
|
// are relatives of another surface here.
|
|
bool skipRelativeZUsers = false;
|
|
const LayerVector list = makeTraversalList(stateSet, &skipRelativeZUsers);
|
|
|
|
size_t i = 0;
|
|
for (; i < list.size(); i++) {
|
|
const auto& relative = list[i];
|
|
if (skipRelativeZUsers && relative->usingRelativeZ(stateSet)) {
|
|
continue;
|
|
}
|
|
|
|
if (relative->getZ(stateSet) >= 0) {
|
|
break;
|
|
}
|
|
relative->traverseInZOrder(stateSet, visitor);
|
|
}
|
|
|
|
visitor(this);
|
|
for (; i < list.size(); i++) {
|
|
const auto& relative = list[i];
|
|
|
|
if (skipRelativeZUsers && relative->usingRelativeZ(stateSet)) {
|
|
continue;
|
|
}
|
|
relative->traverseInZOrder(stateSet, visitor);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Positively signed relatives are before 'this' in reverse Z-order.
|
|
*/
|
|
void Layer::traverseInReverseZOrder(LayerVector::StateSet stateSet,
|
|
const LayerVector::Visitor& visitor) {
|
|
// See traverseInZOrder for documentation.
|
|
bool skipRelativeZUsers = false;
|
|
LayerVector list = makeTraversalList(stateSet, &skipRelativeZUsers);
|
|
|
|
int32_t i = 0;
|
|
for (i = int32_t(list.size()) - 1; i >= 0; i--) {
|
|
const auto& relative = list[i];
|
|
|
|
if (skipRelativeZUsers && relative->usingRelativeZ(stateSet)) {
|
|
continue;
|
|
}
|
|
|
|
if (relative->getZ(stateSet) < 0) {
|
|
break;
|
|
}
|
|
relative->traverseInReverseZOrder(stateSet, visitor);
|
|
}
|
|
visitor(this);
|
|
for (; i >= 0; i--) {
|
|
const auto& relative = list[i];
|
|
|
|
if (skipRelativeZUsers && relative->usingRelativeZ(stateSet)) {
|
|
continue;
|
|
}
|
|
|
|
relative->traverseInReverseZOrder(stateSet, visitor);
|
|
}
|
|
}
|
|
|
|
void Layer::traverse(LayerVector::StateSet state, const LayerVector::Visitor& visitor) {
|
|
visitor(this);
|
|
const LayerVector& children =
|
|
state == LayerVector::StateSet::Drawing ? mDrawingChildren : mCurrentChildren;
|
|
for (const sp<Layer>& child : children) {
|
|
child->traverse(state, visitor);
|
|
}
|
|
}
|
|
|
|
LayerVector Layer::makeChildrenTraversalList(LayerVector::StateSet stateSet,
|
|
const std::vector<Layer*>& layersInTree) {
|
|
LOG_ALWAYS_FATAL_IF(stateSet == LayerVector::StateSet::Invalid,
|
|
"makeTraversalList received invalid stateSet");
|
|
const bool useDrawing = stateSet == LayerVector::StateSet::Drawing;
|
|
const LayerVector& children = useDrawing ? mDrawingChildren : mCurrentChildren;
|
|
const State& state = useDrawing ? mDrawingState : mDrawingState;
|
|
|
|
LayerVector traverse(stateSet);
|
|
for (const wp<Layer>& weakRelative : state.zOrderRelatives) {
|
|
sp<Layer> strongRelative = weakRelative.promote();
|
|
// Only add relative layers that are also descendents of the top most parent of the tree.
|
|
// If a relative layer is not a descendent, then it should be ignored.
|
|
if (std::binary_search(layersInTree.begin(), layersInTree.end(), strongRelative.get())) {
|
|
traverse.add(strongRelative);
|
|
}
|
|
}
|
|
|
|
for (const sp<Layer>& child : children) {
|
|
const State& childState = useDrawing ? child->mDrawingState : child->mDrawingState;
|
|
// If a layer has a relativeOf layer, only ignore if the layer it's relative to is a
|
|
// descendent of the top most parent of the tree. If it's not a descendent, then just add
|
|
// the child here since it won't be added later as a relative.
|
|
if (std::binary_search(layersInTree.begin(), layersInTree.end(),
|
|
childState.zOrderRelativeOf.promote().get())) {
|
|
continue;
|
|
}
|
|
traverse.add(child);
|
|
}
|
|
|
|
return traverse;
|
|
}
|
|
|
|
void Layer::traverseChildrenInZOrderInner(const std::vector<Layer*>& layersInTree,
|
|
LayerVector::StateSet stateSet,
|
|
const LayerVector::Visitor& visitor) {
|
|
const LayerVector list = makeChildrenTraversalList(stateSet, layersInTree);
|
|
|
|
size_t i = 0;
|
|
for (; i < list.size(); i++) {
|
|
const auto& relative = list[i];
|
|
if (relative->getZ(stateSet) >= 0) {
|
|
break;
|
|
}
|
|
relative->traverseChildrenInZOrderInner(layersInTree, stateSet, visitor);
|
|
}
|
|
|
|
visitor(this);
|
|
for (; i < list.size(); i++) {
|
|
const auto& relative = list[i];
|
|
relative->traverseChildrenInZOrderInner(layersInTree, stateSet, visitor);
|
|
}
|
|
}
|
|
|
|
std::vector<Layer*> Layer::getLayersInTree(LayerVector::StateSet stateSet) {
|
|
const bool useDrawing = stateSet == LayerVector::StateSet::Drawing;
|
|
const LayerVector& children = useDrawing ? mDrawingChildren : mCurrentChildren;
|
|
|
|
std::vector<Layer*> layersInTree = {this};
|
|
for (size_t i = 0; i < children.size(); i++) {
|
|
const auto& child = children[i];
|
|
std::vector<Layer*> childLayers = child->getLayersInTree(stateSet);
|
|
layersInTree.insert(layersInTree.end(), childLayers.cbegin(), childLayers.cend());
|
|
}
|
|
|
|
return layersInTree;
|
|
}
|
|
|
|
void Layer::traverseChildrenInZOrder(LayerVector::StateSet stateSet,
|
|
const LayerVector::Visitor& visitor) {
|
|
std::vector<Layer*> layersInTree = getLayersInTree(stateSet);
|
|
std::sort(layersInTree.begin(), layersInTree.end());
|
|
traverseChildrenInZOrderInner(layersInTree, stateSet, visitor);
|
|
}
|
|
|
|
ui::Transform Layer::getTransform() const {
|
|
return mEffectiveTransform;
|
|
}
|
|
|
|
bool Layer::isTransformValid() const {
|
|
float transformDet = getTransform().det();
|
|
return transformDet != 0 && !isinf(transformDet) && !isnan(transformDet);
|
|
}
|
|
|
|
half Layer::getAlpha() const {
|
|
const auto& p = mDrawingParent.promote();
|
|
|
|
half parentAlpha = (p != nullptr) ? p->getAlpha() : 1.0_hf;
|
|
return parentAlpha * getDrawingState().color.a;
|
|
}
|
|
|
|
ui::Transform::RotationFlags Layer::getFixedTransformHint() const {
|
|
ui::Transform::RotationFlags fixedTransformHint = mDrawingState.fixedTransformHint;
|
|
if (fixedTransformHint != ui::Transform::ROT_INVALID) {
|
|
return fixedTransformHint;
|
|
}
|
|
const auto& p = mCurrentParent.promote();
|
|
if (!p) return fixedTransformHint;
|
|
return p->getFixedTransformHint();
|
|
}
|
|
|
|
half4 Layer::getColor() const {
|
|
const half4 color(getDrawingState().color);
|
|
return half4(color.r, color.g, color.b, getAlpha());
|
|
}
|
|
|
|
int32_t Layer::getBackgroundBlurRadius() const {
|
|
const auto& p = mDrawingParent.promote();
|
|
|
|
half parentAlpha = (p != nullptr) ? p->getAlpha() : 1.0_hf;
|
|
return parentAlpha * getDrawingState().backgroundBlurRadius;
|
|
}
|
|
|
|
const std::vector<BlurRegion> Layer::getBlurRegions() const {
|
|
auto regionsCopy(getDrawingState().blurRegions);
|
|
float layerAlpha = getAlpha();
|
|
for (auto& region : regionsCopy) {
|
|
region.alpha = region.alpha * layerAlpha;
|
|
}
|
|
return regionsCopy;
|
|
}
|
|
|
|
Layer::RoundedCornerState Layer::getRoundedCornerState() const {
|
|
// Get parent settings
|
|
RoundedCornerState parentSettings;
|
|
const auto& parent = mDrawingParent.promote();
|
|
if (parent != nullptr) {
|
|
parentSettings = parent->getRoundedCornerState();
|
|
if (parentSettings.hasRoundedCorners()) {
|
|
ui::Transform t = getActiveTransform(getDrawingState());
|
|
t = t.inverse();
|
|
parentSettings.cropRect = t.transform(parentSettings.cropRect);
|
|
parentSettings.radius.x *= t.getScaleX();
|
|
parentSettings.radius.y *= t.getScaleY();
|
|
}
|
|
}
|
|
|
|
// Get layer settings
|
|
Rect layerCropRect = getCroppedBufferSize(getDrawingState());
|
|
const vec2 radius(getDrawingState().cornerRadius, getDrawingState().cornerRadius);
|
|
RoundedCornerState layerSettings(layerCropRect.toFloatRect(), radius);
|
|
const bool layerSettingsValid = layerSettings.hasRoundedCorners() && layerCropRect.isValid();
|
|
|
|
if (layerSettingsValid && parentSettings.hasRoundedCorners()) {
|
|
// If the parent and the layer have rounded corner settings, use the parent settings if the
|
|
// parent crop is entirely inside the layer crop.
|
|
// This has limitations and cause rendering artifacts. See b/200300845 for correct fix.
|
|
if (parentSettings.cropRect.left > layerCropRect.left &&
|
|
parentSettings.cropRect.top > layerCropRect.top &&
|
|
parentSettings.cropRect.right < layerCropRect.right &&
|
|
parentSettings.cropRect.bottom < layerCropRect.bottom) {
|
|
return parentSettings;
|
|
} else {
|
|
return layerSettings;
|
|
}
|
|
} else if (layerSettingsValid) {
|
|
return layerSettings;
|
|
} else if (parentSettings.hasRoundedCorners()) {
|
|
return parentSettings;
|
|
}
|
|
return {};
|
|
}
|
|
|
|
void Layer::prepareShadowClientComposition(LayerFE::LayerSettings& caster,
|
|
const Rect& layerStackRect) {
|
|
renderengine::ShadowSettings state = mFlinger->mDrawingState.globalShadowSettings;
|
|
|
|
// Note: this preserves existing behavior of shadowing the entire layer and not cropping it if
|
|
// transparent regions are present. This may not be necessary since shadows are only cast by
|
|
// SurfaceFlinger's EffectLayers, which do not typically use transparent regions.
|
|
state.boundaries = mBounds;
|
|
|
|
// Shift the spot light x-position to the middle of the display and then
|
|
// offset it by casting layer's screen pos.
|
|
state.lightPos.x = (layerStackRect.width() / 2.f) - mScreenBounds.left;
|
|
state.lightPos.y -= mScreenBounds.top;
|
|
|
|
state.length = mEffectiveShadowRadius;
|
|
|
|
if (state.length > 0.f) {
|
|
const float casterAlpha = caster.alpha;
|
|
const bool casterIsOpaque =
|
|
((caster.source.buffer.buffer != nullptr) && caster.source.buffer.isOpaque);
|
|
|
|
// If the casting layer is translucent, we need to fill in the shadow underneath the layer.
|
|
// Otherwise the generated shadow will only be shown around the casting layer.
|
|
state.casterIsTranslucent = !casterIsOpaque || (casterAlpha < 1.0f);
|
|
state.ambientColor *= casterAlpha;
|
|
state.spotColor *= casterAlpha;
|
|
|
|
if (state.ambientColor.a > 0.f && state.spotColor.a > 0.f) {
|
|
caster.shadow = state;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool Layer::findInHierarchy(const sp<Layer>& l) {
|
|
if (l == this) {
|
|
return true;
|
|
}
|
|
for (auto& child : mDrawingChildren) {
|
|
if (child->findInHierarchy(l)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void Layer::commitChildList() {
|
|
for (size_t i = 0; i < mCurrentChildren.size(); i++) {
|
|
const auto& child = mCurrentChildren[i];
|
|
child->commitChildList();
|
|
}
|
|
mDrawingChildren = mCurrentChildren;
|
|
mDrawingParent = mCurrentParent;
|
|
if (CC_UNLIKELY(usingRelativeZ(LayerVector::StateSet::Drawing))) {
|
|
auto zOrderRelativeOf = mDrawingState.zOrderRelativeOf.promote();
|
|
if (zOrderRelativeOf == nullptr) return;
|
|
if (findInHierarchy(zOrderRelativeOf)) {
|
|
ALOGE("Detected Z ordering loop between %s and %s", mName.c_str(),
|
|
zOrderRelativeOf->mName.c_str());
|
|
ALOGE("Severing rel Z loop, potentially dangerous");
|
|
mDrawingState.isRelativeOf = false;
|
|
zOrderRelativeOf->removeZOrderRelative(this);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void Layer::setInputInfo(const WindowInfo& info) {
|
|
mDrawingState.inputInfo = info;
|
|
mDrawingState.touchableRegionCrop = fromHandle(info.touchableRegionCropHandle.promote());
|
|
mDrawingState.modified = true;
|
|
mFlinger->mInputInfoChanged = true;
|
|
setTransactionFlags(eTransactionNeeded);
|
|
}
|
|
|
|
LayerProto* Layer::writeToProto(LayersProto& layersProto, uint32_t traceFlags) {
|
|
LayerProto* layerProto = layersProto.add_layers();
|
|
writeToProtoDrawingState(layerProto);
|
|
writeToProtoCommonState(layerProto, LayerVector::StateSet::Drawing, traceFlags);
|
|
|
|
if (traceFlags & LayerTracing::TRACE_COMPOSITION) {
|
|
ftl::FakeGuard guard(mFlinger->mStateLock); // Called from the main thread.
|
|
|
|
// Only populate for the primary display.
|
|
if (const auto display = mFlinger->getDefaultDisplayDeviceLocked()) {
|
|
const auto compositionType = getCompositionType(*display);
|
|
layerProto->set_hwc_composition_type(static_cast<HwcCompositionType>(compositionType));
|
|
LayerProtoHelper::writeToProto(getVisibleRegion(display.get()),
|
|
[&]() { return layerProto->mutable_visible_region(); });
|
|
}
|
|
}
|
|
|
|
for (const sp<Layer>& layer : mDrawingChildren) {
|
|
layer->writeToProto(layersProto, traceFlags);
|
|
}
|
|
|
|
return layerProto;
|
|
}
|
|
|
|
void Layer::writeToProtoDrawingState(LayerProto* layerInfo) {
|
|
const ui::Transform transform = getTransform();
|
|
auto buffer = getExternalTexture();
|
|
if (buffer != nullptr) {
|
|
LayerProtoHelper::writeToProto(*buffer,
|
|
[&]() { return layerInfo->mutable_active_buffer(); });
|
|
LayerProtoHelper::writeToProtoDeprecated(ui::Transform(getBufferTransform()),
|
|
layerInfo->mutable_buffer_transform());
|
|
}
|
|
layerInfo->set_invalidate(contentDirty);
|
|
layerInfo->set_is_protected(isProtected());
|
|
layerInfo->set_dataspace(dataspaceDetails(static_cast<android_dataspace>(getDataSpace())));
|
|
layerInfo->set_queued_frames(getQueuedFrameCount());
|
|
layerInfo->set_curr_frame(mCurrentFrameNumber);
|
|
layerInfo->set_effective_scaling_mode(getEffectiveScalingMode());
|
|
|
|
layerInfo->set_requested_corner_radius(getDrawingState().cornerRadius);
|
|
layerInfo->set_corner_radius(
|
|
(getRoundedCornerState().radius.x + getRoundedCornerState().radius.y) / 2.0);
|
|
layerInfo->set_background_blur_radius(getBackgroundBlurRadius());
|
|
layerInfo->set_is_trusted_overlay(isTrustedOverlay());
|
|
LayerProtoHelper::writeToProtoDeprecated(transform, layerInfo->mutable_transform());
|
|
LayerProtoHelper::writePositionToProto(transform.tx(), transform.ty(),
|
|
[&]() { return layerInfo->mutable_position(); });
|
|
LayerProtoHelper::writeToProto(mBounds, [&]() { return layerInfo->mutable_bounds(); });
|
|
LayerProtoHelper::writeToProto(surfaceDamageRegion,
|
|
[&]() { return layerInfo->mutable_damage_region(); });
|
|
|
|
if (hasColorTransform()) {
|
|
LayerProtoHelper::writeToProto(getColorTransform(), layerInfo->mutable_color_transform());
|
|
}
|
|
|
|
LayerProtoHelper::writeToProto(mSourceBounds,
|
|
[&]() { return layerInfo->mutable_source_bounds(); });
|
|
LayerProtoHelper::writeToProto(mScreenBounds,
|
|
[&]() { return layerInfo->mutable_screen_bounds(); });
|
|
LayerProtoHelper::writeToProto(getRoundedCornerState().cropRect,
|
|
[&]() { return layerInfo->mutable_corner_radius_crop(); });
|
|
layerInfo->set_shadow_radius(mEffectiveShadowRadius);
|
|
}
|
|
|
|
void Layer::writeToProtoCommonState(LayerProto* layerInfo, LayerVector::StateSet stateSet,
|
|
uint32_t traceFlags) {
|
|
const bool useDrawing = stateSet == LayerVector::StateSet::Drawing;
|
|
const LayerVector& children = useDrawing ? mDrawingChildren : mCurrentChildren;
|
|
const State& state = useDrawing ? mDrawingState : mDrawingState;
|
|
|
|
ui::Transform requestedTransform = state.transform;
|
|
|
|
layerInfo->set_id(sequence);
|
|
layerInfo->set_name(getName().c_str());
|
|
layerInfo->set_type(getType());
|
|
|
|
for (const auto& child : children) {
|
|
layerInfo->add_children(child->sequence);
|
|
}
|
|
|
|
for (const wp<Layer>& weakRelative : state.zOrderRelatives) {
|
|
sp<Layer> strongRelative = weakRelative.promote();
|
|
if (strongRelative != nullptr) {
|
|
layerInfo->add_relatives(strongRelative->sequence);
|
|
}
|
|
}
|
|
|
|
LayerProtoHelper::writeToProto(state.activeTransparentRegion_legacy,
|
|
[&]() { return layerInfo->mutable_transparent_region(); });
|
|
|
|
layerInfo->set_layer_stack(getLayerStack().id);
|
|
layerInfo->set_z(state.z);
|
|
|
|
LayerProtoHelper::writePositionToProto(requestedTransform.tx(), requestedTransform.ty(), [&]() {
|
|
return layerInfo->mutable_requested_position();
|
|
});
|
|
|
|
LayerProtoHelper::writeSizeToProto(state.width, state.height,
|
|
[&]() { return layerInfo->mutable_size(); });
|
|
|
|
LayerProtoHelper::writeToProto(state.crop, [&]() { return layerInfo->mutable_crop(); });
|
|
|
|
layerInfo->set_is_opaque(isOpaque(state));
|
|
|
|
layerInfo->set_pixel_format(decodePixelFormat(getPixelFormat()));
|
|
LayerProtoHelper::writeToProto(getColor(), [&]() { return layerInfo->mutable_color(); });
|
|
LayerProtoHelper::writeToProto(state.color,
|
|
[&]() { return layerInfo->mutable_requested_color(); });
|
|
layerInfo->set_flags(state.flags);
|
|
|
|
LayerProtoHelper::writeToProtoDeprecated(requestedTransform,
|
|
layerInfo->mutable_requested_transform());
|
|
|
|
auto parent = useDrawing ? mDrawingParent.promote() : mCurrentParent.promote();
|
|
if (parent != nullptr) {
|
|
layerInfo->set_parent(parent->sequence);
|
|
} else {
|
|
layerInfo->set_parent(-1);
|
|
}
|
|
|
|
auto zOrderRelativeOf = state.zOrderRelativeOf.promote();
|
|
if (zOrderRelativeOf != nullptr) {
|
|
layerInfo->set_z_order_relative_of(zOrderRelativeOf->sequence);
|
|
} else {
|
|
layerInfo->set_z_order_relative_of(-1);
|
|
}
|
|
|
|
layerInfo->set_is_relative_of(state.isRelativeOf);
|
|
|
|
layerInfo->set_owner_uid(mOwnerUid);
|
|
|
|
if ((traceFlags & LayerTracing::TRACE_INPUT) && needsInputInfo()) {
|
|
WindowInfo info;
|
|
if (useDrawing) {
|
|
info = fillInputInfo(
|
|
InputDisplayArgs{.transform = &kIdentityTransform, .isSecure = true});
|
|
} else {
|
|
info = state.inputInfo;
|
|
}
|
|
|
|
LayerProtoHelper::writeToProto(info, state.touchableRegionCrop,
|
|
[&]() { return layerInfo->mutable_input_window_info(); });
|
|
}
|
|
|
|
if (traceFlags & LayerTracing::TRACE_EXTRA) {
|
|
auto protoMap = layerInfo->mutable_metadata();
|
|
for (const auto& entry : state.metadata.mMap) {
|
|
(*protoMap)[entry.first] = std::string(entry.second.cbegin(), entry.second.cend());
|
|
}
|
|
}
|
|
|
|
LayerProtoHelper::writeToProto(state.destinationFrame,
|
|
[&]() { return layerInfo->mutable_destination_frame(); });
|
|
}
|
|
|
|
bool Layer::isRemovedFromCurrentState() const {
|
|
return mRemovedFromDrawingState;
|
|
}
|
|
|
|
ui::Transform Layer::getInputTransform() const {
|
|
return getTransform();
|
|
}
|
|
|
|
Rect Layer::getInputBounds() const {
|
|
return getCroppedBufferSize(getDrawingState());
|
|
}
|
|
|
|
// Applies the given transform to the region, while protecting against overflows caused by any
|
|
// offsets. If applying the offset in the transform to any of the Rects in the region would result
|
|
// in an overflow, they are not added to the output Region.
|
|
static Region transformTouchableRegionSafely(const ui::Transform& t, const Region& r,
|
|
const std::string& debugWindowName) {
|
|
// Round the translation using the same rounding strategy used by ui::Transform.
|
|
const auto tx = static_cast<int32_t>(t.tx() + 0.5);
|
|
const auto ty = static_cast<int32_t>(t.ty() + 0.5);
|
|
|
|
ui::Transform transformWithoutOffset = t;
|
|
transformWithoutOffset.set(0.f, 0.f);
|
|
|
|
const Region transformed = transformWithoutOffset.transform(r);
|
|
|
|
// Apply the translation to each of the Rects in the region while discarding any that overflow.
|
|
Region ret;
|
|
for (const auto& rect : transformed) {
|
|
Rect newRect;
|
|
if (__builtin_add_overflow(rect.left, tx, &newRect.left) ||
|
|
__builtin_add_overflow(rect.top, ty, &newRect.top) ||
|
|
__builtin_add_overflow(rect.right, tx, &newRect.right) ||
|
|
__builtin_add_overflow(rect.bottom, ty, &newRect.bottom)) {
|
|
ALOGE("Applying transform to touchable region of window '%s' resulted in an overflow.",
|
|
debugWindowName.c_str());
|
|
continue;
|
|
}
|
|
ret.orSelf(newRect);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void Layer::fillInputFrameInfo(WindowInfo& info, const ui::Transform& screenToDisplay) {
|
|
Rect tmpBounds = getInputBounds();
|
|
if (!tmpBounds.isValid()) {
|
|
info.touchableRegion.clear();
|
|
// A layer could have invalid input bounds and still expect to receive touch input if it has
|
|
// replaceTouchableRegionWithCrop. For that case, the input transform needs to be calculated
|
|
// correctly to determine the coordinate space for input events. Use an empty rect so that
|
|
// the layer will receive input in its own layer space.
|
|
tmpBounds = Rect::EMPTY_RECT;
|
|
}
|
|
|
|
// InputDispatcher works in the display device's coordinate space. Here, we calculate the
|
|
// frame and transform used for the layer, which determines the bounds and the coordinate space
|
|
// within which the layer will receive input.
|
|
//
|
|
// The coordinate space within which each of the bounds are specified is explicitly documented
|
|
// in the variable name. For example "inputBoundsInLayer" is specified in layer space. A
|
|
// Transform converts one coordinate space to another, which is apparent in its naming. For
|
|
// example, "layerToDisplay" transforms layer space to display space.
|
|
//
|
|
// Coordinate space definitions:
|
|
// - display: The display device's coordinate space. Correlates to pixels on the display.
|
|
// - screen: The post-rotation coordinate space for the display, a.k.a. logical display space.
|
|
// - layer: The coordinate space of this layer.
|
|
// - input: The coordinate space in which this layer will receive input events. This could be
|
|
// different than layer space if a surfaceInset is used, which changes the origin
|
|
// of the input space.
|
|
const FloatRect inputBoundsInLayer = tmpBounds.toFloatRect();
|
|
|
|
// Clamp surface inset to the input bounds.
|
|
const auto surfaceInset = static_cast<float>(info.surfaceInset);
|
|
const float xSurfaceInset =
|
|
std::max(0.f, std::min(surfaceInset, inputBoundsInLayer.getWidth() / 2.f));
|
|
const float ySurfaceInset =
|
|
std::max(0.f, std::min(surfaceInset, inputBoundsInLayer.getHeight() / 2.f));
|
|
|
|
// Apply the insets to the input bounds.
|
|
const FloatRect insetBoundsInLayer(inputBoundsInLayer.left + xSurfaceInset,
|
|
inputBoundsInLayer.top + ySurfaceInset,
|
|
inputBoundsInLayer.right - xSurfaceInset,
|
|
inputBoundsInLayer.bottom - ySurfaceInset);
|
|
|
|
// Crop the input bounds to ensure it is within the parent's bounds.
|
|
const FloatRect croppedInsetBoundsInLayer = mBounds.intersect(insetBoundsInLayer);
|
|
|
|
const ui::Transform layerToScreen = getInputTransform();
|
|
const ui::Transform layerToDisplay = screenToDisplay * layerToScreen;
|
|
|
|
const Rect roundedFrameInDisplay{layerToDisplay.transform(croppedInsetBoundsInLayer)};
|
|
info.frameLeft = roundedFrameInDisplay.left;
|
|
info.frameTop = roundedFrameInDisplay.top;
|
|
info.frameRight = roundedFrameInDisplay.right;
|
|
info.frameBottom = roundedFrameInDisplay.bottom;
|
|
|
|
ui::Transform inputToLayer;
|
|
inputToLayer.set(insetBoundsInLayer.left, insetBoundsInLayer.top);
|
|
const ui::Transform inputToDisplay = layerToDisplay * inputToLayer;
|
|
|
|
// InputDispatcher expects a display-to-input transform.
|
|
info.transform = inputToDisplay.inverse();
|
|
|
|
// The touchable region is specified in the input coordinate space. Change it to display space.
|
|
info.touchableRegion =
|
|
transformTouchableRegionSafely(inputToDisplay, info.touchableRegion, mName);
|
|
}
|
|
|
|
void Layer::fillTouchOcclusionMode(WindowInfo& info) {
|
|
sp<Layer> p = this;
|
|
while (p != nullptr && !p->hasInputInfo()) {
|
|
p = p->mDrawingParent.promote();
|
|
}
|
|
if (p != nullptr) {
|
|
info.touchOcclusionMode = p->mDrawingState.inputInfo.touchOcclusionMode;
|
|
}
|
|
}
|
|
|
|
gui::DropInputMode Layer::getDropInputMode() const {
|
|
gui::DropInputMode mode = mDrawingState.dropInputMode;
|
|
if (mode == gui::DropInputMode::ALL) {
|
|
return mode;
|
|
}
|
|
sp<Layer> parent = mDrawingParent.promote();
|
|
if (parent) {
|
|
gui::DropInputMode parentMode = parent->getDropInputMode();
|
|
if (parentMode != gui::DropInputMode::NONE) {
|
|
return parentMode;
|
|
}
|
|
}
|
|
return mode;
|
|
}
|
|
|
|
void Layer::handleDropInputMode(gui::WindowInfo& info) const {
|
|
if (mDrawingState.inputInfo.inputConfig.test(WindowInfo::InputConfig::NO_INPUT_CHANNEL)) {
|
|
return;
|
|
}
|
|
|
|
// Check if we need to drop input unconditionally
|
|
gui::DropInputMode dropInputMode = getDropInputMode();
|
|
if (dropInputMode == gui::DropInputMode::ALL) {
|
|
info.inputConfig |= WindowInfo::InputConfig::DROP_INPUT;
|
|
ALOGV("Dropping input for %s as requested by policy.", getDebugName());
|
|
return;
|
|
}
|
|
|
|
// Check if we need to check if the window is obscured by parent
|
|
if (dropInputMode != gui::DropInputMode::OBSCURED) {
|
|
return;
|
|
}
|
|
|
|
// Check if the parent has set an alpha on the layer
|
|
sp<Layer> parent = mDrawingParent.promote();
|
|
if (parent && parent->getAlpha() != 1.0_hf) {
|
|
info.inputConfig |= WindowInfo::InputConfig::DROP_INPUT;
|
|
ALOGV("Dropping input for %s as requested by policy because alpha=%f", getDebugName(),
|
|
static_cast<float>(getAlpha()));
|
|
}
|
|
|
|
// Check if the parent has cropped the buffer
|
|
Rect bufferSize = getCroppedBufferSize(getDrawingState());
|
|
if (!bufferSize.isValid()) {
|
|
info.inputConfig |= WindowInfo::InputConfig::DROP_INPUT_IF_OBSCURED;
|
|
return;
|
|
}
|
|
|
|
// Screenbounds are the layer bounds cropped by parents, transformed to screenspace.
|
|
// To check if the layer has been cropped, we take the buffer bounds, apply the local
|
|
// layer crop and apply the same set of transforms to move to screenspace. If the bounds
|
|
// match then the layer has not been cropped by its parents.
|
|
Rect bufferInScreenSpace(getTransform().transform(bufferSize));
|
|
bool croppedByParent = bufferInScreenSpace != Rect{mScreenBounds};
|
|
|
|
if (croppedByParent) {
|
|
info.inputConfig |= WindowInfo::InputConfig::DROP_INPUT;
|
|
ALOGV("Dropping input for %s as requested by policy because buffer is cropped by parent",
|
|
getDebugName());
|
|
} else {
|
|
// If the layer is not obscured by its parents (by setting an alpha or crop), then only drop
|
|
// input if the window is obscured. This check should be done in surfaceflinger but the
|
|
// logic currently resides in inputflinger. So pass the if_obscured check to input to only
|
|
// drop input events if the window is obscured.
|
|
info.inputConfig |= WindowInfo::InputConfig::DROP_INPUT_IF_OBSCURED;
|
|
}
|
|
}
|
|
|
|
WindowInfo Layer::fillInputInfo(const InputDisplayArgs& displayArgs) {
|
|
if (!hasInputInfo()) {
|
|
mDrawingState.inputInfo.name = getName();
|
|
mDrawingState.inputInfo.ownerUid = mOwnerUid;
|
|
mDrawingState.inputInfo.ownerPid = mOwnerPid;
|
|
mDrawingState.inputInfo.inputConfig |= WindowInfo::InputConfig::NO_INPUT_CHANNEL;
|
|
mDrawingState.inputInfo.displayId = getLayerStack().id;
|
|
}
|
|
|
|
const ui::Transform& displayTransform =
|
|
displayArgs.transform != nullptr ? *displayArgs.transform : kIdentityTransform;
|
|
|
|
WindowInfo info = mDrawingState.inputInfo;
|
|
info.id = sequence;
|
|
info.displayId = getLayerStack().id;
|
|
|
|
fillInputFrameInfo(info, displayTransform);
|
|
|
|
if (displayArgs.transform == nullptr) {
|
|
// Do not let the window receive touches if it is not associated with a valid display
|
|
// transform. We still allow the window to receive keys and prevent ANRs.
|
|
info.inputConfig |= WindowInfo::InputConfig::NOT_TOUCHABLE;
|
|
}
|
|
|
|
// For compatibility reasons we let layers which can receive input
|
|
// receive input before they have actually submitted a buffer. Because
|
|
// of this we use canReceiveInput instead of isVisible to check the
|
|
// policy-visibility, ignoring the buffer state. However for layers with
|
|
// hasInputInfo()==false we can use the real visibility state.
|
|
// We are just using these layers for occlusion detection in
|
|
// InputDispatcher, and obviously if they aren't visible they can't occlude
|
|
// anything.
|
|
const bool visible = hasInputInfo() ? canReceiveInput() : isVisible();
|
|
info.setInputConfig(WindowInfo::InputConfig::NOT_VISIBLE, !visible);
|
|
|
|
info.alpha = getAlpha();
|
|
fillTouchOcclusionMode(info);
|
|
handleDropInputMode(info);
|
|
|
|
// If the window will be blacked out on a display because the display does not have the secure
|
|
// flag and the layer has the secure flag set, then drop input.
|
|
if (!displayArgs.isSecure && isSecure()) {
|
|
info.inputConfig |= WindowInfo::InputConfig::DROP_INPUT;
|
|
}
|
|
|
|
auto cropLayer = mDrawingState.touchableRegionCrop.promote();
|
|
if (info.replaceTouchableRegionWithCrop) {
|
|
const Rect bounds(cropLayer ? cropLayer->mScreenBounds : mScreenBounds);
|
|
info.touchableRegion = Region(displayTransform.transform(bounds));
|
|
} else if (cropLayer != nullptr) {
|
|
info.touchableRegion = info.touchableRegion.intersect(
|
|
displayTransform.transform(Rect{cropLayer->mScreenBounds}));
|
|
}
|
|
|
|
// Inherit the trusted state from the parent hierarchy, but don't clobber the trusted state
|
|
// if it was set by WM for a known system overlay
|
|
if (isTrustedOverlay()) {
|
|
info.inputConfig |= WindowInfo::InputConfig::TRUSTED_OVERLAY;
|
|
}
|
|
|
|
// If the layer is a clone, we need to crop the input region to cloned root to prevent
|
|
// touches from going outside the cloned area.
|
|
if (isClone()) {
|
|
info.isClone = true;
|
|
if (const sp<Layer> clonedRoot = getClonedRoot()) {
|
|
const Rect rect = displayTransform.transform(Rect{clonedRoot->mScreenBounds});
|
|
info.touchableRegion = info.touchableRegion.intersect(rect);
|
|
}
|
|
}
|
|
|
|
return info;
|
|
}
|
|
|
|
sp<Layer> Layer::getClonedRoot() {
|
|
if (mClonedChild != nullptr) {
|
|
return this;
|
|
}
|
|
if (mDrawingParent == nullptr || mDrawingParent.promote() == nullptr) {
|
|
return nullptr;
|
|
}
|
|
return mDrawingParent.promote()->getClonedRoot();
|
|
}
|
|
|
|
bool Layer::hasInputInfo() const {
|
|
return mDrawingState.inputInfo.token != nullptr ||
|
|
mDrawingState.inputInfo.inputConfig.test(WindowInfo::InputConfig::NO_INPUT_CHANNEL);
|
|
}
|
|
|
|
bool Layer::canReceiveInput() const {
|
|
return !isHiddenByPolicy();
|
|
}
|
|
|
|
compositionengine::OutputLayer* Layer::findOutputLayerForDisplay(
|
|
const DisplayDevice* display) const {
|
|
if (!display) return nullptr;
|
|
return display->getCompositionDisplay()->getOutputLayerForLayer(getCompositionEngineLayerFE());
|
|
}
|
|
|
|
Region Layer::getVisibleRegion(const DisplayDevice* display) const {
|
|
const auto outputLayer = findOutputLayerForDisplay(display);
|
|
return outputLayer ? outputLayer->getState().visibleRegion : Region();
|
|
}
|
|
|
|
void Layer::setInitialValuesForClone(const sp<Layer>& clonedFrom) {
|
|
cloneDrawingState(clonedFrom.get());
|
|
mClonedFrom = clonedFrom;
|
|
}
|
|
|
|
void Layer::updateMirrorInfo() {
|
|
if (mClonedChild == nullptr || !mClonedChild->isClonedFromAlive()) {
|
|
// If mClonedChild is null, there is nothing to mirror. If isClonedFromAlive returns false,
|
|
// it means that there is a clone, but the layer it was cloned from has been destroyed. In
|
|
// that case, we want to delete the reference to the clone since we want it to get
|
|
// destroyed. The root, this layer, will still be around since the client can continue
|
|
// to hold a reference, but no cloned layers will be displayed.
|
|
mClonedChild = nullptr;
|
|
return;
|
|
}
|
|
|
|
std::map<sp<Layer>, sp<Layer>> clonedLayersMap;
|
|
// If the real layer exists and is in current state, add the clone as a child of the root.
|
|
// There's no need to remove from drawingState when the layer is offscreen since currentState is
|
|
// copied to drawingState for the root layer. So the clonedChild is always removed from
|
|
// drawingState and then needs to be added back each traversal.
|
|
if (!mClonedChild->getClonedFrom()->isRemovedFromCurrentState()) {
|
|
addChildToDrawing(mClonedChild);
|
|
}
|
|
|
|
mClonedChild->updateClonedDrawingState(clonedLayersMap);
|
|
mClonedChild->updateClonedChildren(this, clonedLayersMap);
|
|
mClonedChild->updateClonedRelatives(clonedLayersMap);
|
|
}
|
|
|
|
void Layer::updateClonedDrawingState(std::map<sp<Layer>, sp<Layer>>& clonedLayersMap) {
|
|
// If the layer the clone was cloned from is alive, copy the content of the drawingState
|
|
// to the clone. If the real layer is no longer alive, continue traversing the children
|
|
// since we may be able to pull out other children that are still alive.
|
|
if (isClonedFromAlive()) {
|
|
sp<Layer> clonedFrom = getClonedFrom();
|
|
cloneDrawingState(clonedFrom.get());
|
|
clonedLayersMap.emplace(clonedFrom, this);
|
|
}
|
|
|
|
// The clone layer may have children in drawingState since they may have been created and
|
|
// added from a previous request to updateMirorInfo. This is to ensure we don't recreate clones
|
|
// that already exist, since we can just re-use them.
|
|
// The drawingChildren will not get overwritten by the currentChildren since the clones are
|
|
// not updated in the regular traversal. They are skipped since the root will lose the
|
|
// reference to them when it copies its currentChildren to drawing.
|
|
for (sp<Layer>& child : mDrawingChildren) {
|
|
child->updateClonedDrawingState(clonedLayersMap);
|
|
}
|
|
}
|
|
|
|
void Layer::updateClonedChildren(const sp<Layer>& mirrorRoot,
|
|
std::map<sp<Layer>, sp<Layer>>& clonedLayersMap) {
|
|
mDrawingChildren.clear();
|
|
|
|
if (!isClonedFromAlive()) {
|
|
return;
|
|
}
|
|
|
|
sp<Layer> clonedFrom = getClonedFrom();
|
|
for (sp<Layer>& child : clonedFrom->mDrawingChildren) {
|
|
if (child == mirrorRoot) {
|
|
// This is to avoid cyclical mirroring.
|
|
continue;
|
|
}
|
|
sp<Layer> clonedChild = clonedLayersMap[child];
|
|
if (clonedChild == nullptr) {
|
|
clonedChild = child->createClone();
|
|
clonedLayersMap[child] = clonedChild;
|
|
}
|
|
addChildToDrawing(clonedChild);
|
|
clonedChild->updateClonedChildren(mirrorRoot, clonedLayersMap);
|
|
}
|
|
}
|
|
|
|
void Layer::updateClonedInputInfo(const std::map<sp<Layer>, sp<Layer>>& clonedLayersMap) {
|
|
auto cropLayer = mDrawingState.touchableRegionCrop.promote();
|
|
if (cropLayer != nullptr) {
|
|
if (clonedLayersMap.count(cropLayer) == 0) {
|
|
// Real layer had a crop layer but it's not in the cloned hierarchy. Just set to
|
|
// self as crop layer to avoid going outside bounds.
|
|
mDrawingState.touchableRegionCrop = this;
|
|
} else {
|
|
const sp<Layer>& clonedCropLayer = clonedLayersMap.at(cropLayer);
|
|
mDrawingState.touchableRegionCrop = clonedCropLayer;
|
|
}
|
|
}
|
|
// Cloned layers shouldn't handle watch outside since their z order is not determined by
|
|
// WM or the client.
|
|
mDrawingState.inputInfo.setInputConfig(WindowInfo::InputConfig::WATCH_OUTSIDE_TOUCH, false);
|
|
}
|
|
|
|
void Layer::updateClonedRelatives(const std::map<sp<Layer>, sp<Layer>>& clonedLayersMap) {
|
|
mDrawingState.zOrderRelativeOf = nullptr;
|
|
mDrawingState.zOrderRelatives.clear();
|
|
|
|
if (!isClonedFromAlive()) {
|
|
return;
|
|
}
|
|
|
|
const sp<Layer>& clonedFrom = getClonedFrom();
|
|
for (wp<Layer>& relativeWeak : clonedFrom->mDrawingState.zOrderRelatives) {
|
|
const sp<Layer>& relative = relativeWeak.promote();
|
|
if (clonedLayersMap.count(relative) > 0) {
|
|
auto& clonedRelative = clonedLayersMap.at(relative);
|
|
mDrawingState.zOrderRelatives.add(clonedRelative);
|
|
}
|
|
}
|
|
|
|
// Check if the relativeLayer for the real layer is part of the cloned hierarchy.
|
|
// It's possible that the layer it's relative to is outside the requested cloned hierarchy.
|
|
// In that case, we treat the layer as if the relativeOf has been removed. This way, it will
|
|
// still traverse the children, but the layer with the missing relativeOf will not be shown
|
|
// on screen.
|
|
const sp<Layer>& relativeOf = clonedFrom->mDrawingState.zOrderRelativeOf.promote();
|
|
if (clonedLayersMap.count(relativeOf) > 0) {
|
|
const sp<Layer>& clonedRelativeOf = clonedLayersMap.at(relativeOf);
|
|
mDrawingState.zOrderRelativeOf = clonedRelativeOf;
|
|
}
|
|
|
|
updateClonedInputInfo(clonedLayersMap);
|
|
|
|
for (sp<Layer>& child : mDrawingChildren) {
|
|
child->updateClonedRelatives(clonedLayersMap);
|
|
}
|
|
}
|
|
|
|
void Layer::addChildToDrawing(const sp<Layer>& layer) {
|
|
mDrawingChildren.add(layer);
|
|
layer->mDrawingParent = this;
|
|
}
|
|
|
|
Layer::FrameRateCompatibility Layer::FrameRate::convertCompatibility(int8_t compatibility) {
|
|
switch (compatibility) {
|
|
case ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_DEFAULT:
|
|
return FrameRateCompatibility::Default;
|
|
case ANATIVEWINDOW_FRAME_RATE_COMPATIBILITY_FIXED_SOURCE:
|
|
return FrameRateCompatibility::ExactOrMultiple;
|
|
case ANATIVEWINDOW_FRAME_RATE_EXACT:
|
|
return FrameRateCompatibility::Exact;
|
|
case ANATIVEWINDOW_FRAME_RATE_NO_VOTE:
|
|
return FrameRateCompatibility::NoVote;
|
|
default:
|
|
LOG_ALWAYS_FATAL("Invalid frame rate compatibility value %d", compatibility);
|
|
return FrameRateCompatibility::Default;
|
|
}
|
|
}
|
|
|
|
scheduler::Seamlessness Layer::FrameRate::convertChangeFrameRateStrategy(int8_t strategy) {
|
|
switch (strategy) {
|
|
case ANATIVEWINDOW_CHANGE_FRAME_RATE_ONLY_IF_SEAMLESS:
|
|
return Seamlessness::OnlySeamless;
|
|
case ANATIVEWINDOW_CHANGE_FRAME_RATE_ALWAYS:
|
|
return Seamlessness::SeamedAndSeamless;
|
|
default:
|
|
LOG_ALWAYS_FATAL("Invalid change frame sate strategy value %d", strategy);
|
|
return Seamlessness::Default;
|
|
}
|
|
}
|
|
|
|
bool Layer::isInternalDisplayOverlay() const {
|
|
const State& s(mDrawingState);
|
|
if (s.flags & layer_state_t::eLayerSkipScreenshot) {
|
|
return true;
|
|
}
|
|
|
|
sp<Layer> parent = mDrawingParent.promote();
|
|
return parent && parent->isInternalDisplayOverlay();
|
|
}
|
|
|
|
void Layer::setClonedChild(const sp<Layer>& clonedChild) {
|
|
mClonedChild = clonedChild;
|
|
mHadClonedChild = true;
|
|
mFlinger->mNumClones++;
|
|
}
|
|
|
|
const String16 Layer::Handle::kDescriptor = String16("android.Layer.Handle");
|
|
|
|
wp<Layer> Layer::fromHandle(const sp<IBinder>& handleBinder) {
|
|
if (handleBinder == nullptr) {
|
|
return nullptr;
|
|
}
|
|
|
|
BBinder* b = handleBinder->localBinder();
|
|
if (b == nullptr || b->getInterfaceDescriptor() != Handle::kDescriptor) {
|
|
return nullptr;
|
|
}
|
|
|
|
// We can safely cast this binder since its local and we verified its interface descriptor.
|
|
sp<Handle> handle = static_cast<Handle*>(handleBinder.get());
|
|
return handle->owner;
|
|
}
|
|
|
|
bool Layer::setDropInputMode(gui::DropInputMode mode) {
|
|
if (mDrawingState.dropInputMode == mode) {
|
|
return false;
|
|
}
|
|
mDrawingState.dropInputMode = mode;
|
|
return true;
|
|
}
|
|
|
|
void Layer::cloneDrawingState(const Layer* from) {
|
|
mDrawingState = from->mDrawingState;
|
|
// Skip callback info since they are not applicable for cloned layers.
|
|
mDrawingState.releaseBufferListener = nullptr;
|
|
mDrawingState.callbackHandles = {};
|
|
}
|
|
|
|
bool Layer::setTransactionCompletedListeners(const std::vector<sp<CallbackHandle>>& handles) {
|
|
if (handles.empty()) {
|
|
return false;
|
|
}
|
|
|
|
for (const auto& handle : handles) {
|
|
mFlinger->getTransactionCallbackInvoker().registerUnpresentedCallbackHandle(handle);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
std::ostream& operator<<(std::ostream& stream, const Layer::FrameRate& rate) {
|
|
return stream << "{rate=" << rate.rate << " type=" << ftl::enum_string(rate.type)
|
|
<< " seamlessness=" << ftl::enum_string(rate.seamlessness) << '}';
|
|
}
|
|
|
|
} // namespace android
|
|
|
|
#if defined(__gl_h_)
|
|
#error "don't include gl/gl.h in this file"
|
|
#endif
|
|
|
|
#if defined(__gl2_h_)
|
|
#error "don't include gl2/gl2.h in this file"
|
|
#endif
|
|
|
|
// TODO(b/129481165): remove the #pragma below and fix conversion issues
|
|
#pragma clang diagnostic pop // ignored "-Wconversion"
|