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/*
* Copyright 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <condition_variable>
#include <memory>
#include <mutex>
#include <vector>
#include "FrontEnd/LayerCreationArgs.h"
#include "renderengine/ExternalTexture.h"
#include <gui/LayerState.h>
#include <system/window.h>
namespace android {
enum TraverseBuffersReturnValues {
CONTINUE_TRAVERSAL,
STOP_TRAVERSAL,
DELETE_AND_CONTINUE_TRAVERSAL,
};
// Extends the client side composer state by resolving buffer.
class ResolvedComposerState : public ComposerState {
public:
ResolvedComposerState() = default;
ResolvedComposerState(ComposerState&& source) { state = std::move(source.state); }
std::shared_ptr<renderengine::ExternalTexture> externalTexture;
uint32_t layerId = UNASSIGNED_LAYER_ID;
uint32_t parentId = UNASSIGNED_LAYER_ID;
uint32_t relativeParentId = UNASSIGNED_LAYER_ID;
uint32_t touchCropId = UNASSIGNED_LAYER_ID;
};
struct TransactionState {
TransactionState() = default;
TransactionState(const FrameTimelineInfo& frameTimelineInfo,
std::vector<ResolvedComposerState>& composerStates,
const Vector<DisplayState>& displayStates, uint32_t transactionFlags,
const sp<IBinder>& applyToken, const InputWindowCommands& inputWindowCommands,
int64_t desiredPresentTime, bool isAutoTimestamp,
std::vector<uint64_t> uncacheBufferIds, int64_t postTime,
bool hasListenerCallbacks, std::vector<ListenerCallbacks> listenerCallbacks,
int originPid, int originUid, uint64_t transactionId,
std::vector<uint64_t> mergedTransactionIds)
: frameTimelineInfo(frameTimelineInfo),
states(std::move(composerStates)),
displays(displayStates),
flags(transactionFlags),
applyToken(applyToken),
inputWindowCommands(inputWindowCommands),
desiredPresentTime(desiredPresentTime),
isAutoTimestamp(isAutoTimestamp),
uncacheBufferIds(std::move(uncacheBufferIds)),
postTime(postTime),
hasListenerCallbacks(hasListenerCallbacks),
listenerCallbacks(listenerCallbacks),
originPid(originPid),
originUid(originUid),
id(transactionId),
mergedTransactionIds(std::move(mergedTransactionIds)) {}
// Invokes `void(const layer_state_t&)` visitor for matching layers.
template <typename Visitor>
void traverseStatesWithBuffers(Visitor&& visitor) const {
for (const auto& state : states) {
if (state.state.hasBufferChanges() && state.externalTexture && state.state.surface) {
visitor(state.state);
}
}
}
template <typename Visitor>
void traverseStatesWithBuffersWhileTrue(Visitor&& visitor) {
for (auto state = states.begin(); state != states.end();) {
if (state->state.hasBufferChanges() && state->externalTexture && state->state.surface) {
int result = visitor(*state);
if (result == STOP_TRAVERSAL) return;
if (result == DELETE_AND_CONTINUE_TRAVERSAL) {
state = states.erase(state);
continue;
}
}
state++;
}
}
// TODO(b/185535769): Remove FrameHint. Instead, reset the idle timer (of the relevant physical
// display) on the main thread if commit leads to composite. Then, RefreshRateOverlay should be
// able to setFrameRate once, rather than for each transaction.
bool isFrameActive() const {
if (!displays.empty()) return true;
for (const auto& state : states) {
const bool frameRateChanged = state.state.what & layer_state_t::eFrameRateChanged;
if (!frameRateChanged ||
state.state.frameRateCompatibility != ANATIVEWINDOW_FRAME_RATE_NO_VOTE) {
return true;
}
}
return false;
}
FrameTimelineInfo frameTimelineInfo;
std::vector<ResolvedComposerState> states;
Vector<DisplayState> displays;
uint32_t flags;
sp<IBinder> applyToken;
InputWindowCommands inputWindowCommands;
int64_t desiredPresentTime;
bool isAutoTimestamp;
std::vector<uint64_t> uncacheBufferIds;
int64_t postTime;
bool hasListenerCallbacks;
std::vector<ListenerCallbacks> listenerCallbacks;
int originPid;
int originUid;
uint64_t id;
bool sentFenceTimeoutWarning = false;
std::vector<uint64_t> mergedTransactionIds;
};
} // namespace android
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