1 files changed, 0 insertions, 125 deletions
diff --git a/services/surfaceflinger/Scheduler/VSyncModulator.h b/services/surfaceflinger/Scheduler/VSyncModulator.h
deleted file mode 100644
index ab678c98c5..0000000000
--- a/services/surfaceflinger/Scheduler/VSyncModulator.h
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * Copyright 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <chrono>
-#include <mutex>
-
-#include "Scheduler.h"
-
-namespace android::scheduler {
-
-/*
- * Modulates the vsync-offsets depending on current SurfaceFlinger state.
- */
-class VSyncModulator {
-private:
-    // Number of frames we'll keep the early phase offsets once they are activated for a
-    // transaction. This acts as a low-pass filter in case the client isn't quick enough in
-    // sending new transactions.
-    static constexpr int MIN_EARLY_FRAME_COUNT_TRANSACTION = 2;
-
-    // Number of frames we'll keep the early gl phase offsets once they are activated.
-    // This acts as a low-pass filter to avoid scenarios where we rapidly
-    // switch in and out of gl composition.
-    static constexpr int MIN_EARLY_GL_FRAME_COUNT_TRANSACTION = 2;
-
-    // Margin used to account for potential data races
-    static const constexpr std::chrono::nanoseconds MARGIN_FOR_TX_APPLY = 1ms;
-
-public:
-    // Wrapper for a collection of surfaceflinger/app offsets for a particular
-    // configuration.
-    struct Offsets {
-        nsecs_t sf;
-        nsecs_t app;
-
-        bool operator==(const Offsets& other) const { return sf == other.sf && app == other.app; }
-
-        bool operator!=(const Offsets& other) const { return !(*this == other); }
-    };
-
-    struct OffsetsConfig {
-        Offsets early;   // For transactions with the eEarlyWakeup flag.
-        Offsets earlyGl; // As above but while compositing with GL.
-        Offsets late;    // Default.
-
-        bool operator==(const OffsetsConfig& other) const {
-            return early == other.early && earlyGl == other.earlyGl && late == other.late;
-        }
-
-        bool operator!=(const OffsetsConfig& other) const { return !(*this == other); }
-    };
-
-    VSyncModulator(IPhaseOffsetControl&, ConnectionHandle appConnectionHandle,
-                   ConnectionHandle sfConnectionHandle, const OffsetsConfig&);
-
-    void setPhaseOffsets(const OffsetsConfig&) EXCLUDES(mMutex);
-
-    // Signals that a transaction has started, and changes offsets accordingly.
-    void setTransactionStart(Scheduler::TransactionStart transactionStart);
-
-    // Signals that a transaction has been completed, so that we can finish
-    // special handling for a transaction.
-    void onTransactionHandled();
-
-    // Called when we send a refresh rate change to hardware composer, so that
-    // we can move into early offsets.
-    void onRefreshRateChangeInitiated();
-
-    // Called when we detect from vsync signals that the refresh rate changed.
-    // This way we can move out of early offsets if no longer necessary.
-    void onRefreshRateChangeCompleted();
-
-    // Called when the display is presenting a new frame. usedRenderEngine
-    // should be set to true if RenderEngine was involved with composing the new
-    // frame.
-    void onRefreshed(bool usedRenderEngine);
-
-    // Returns the offsets that we are currently using
-    Offsets getOffsets() const EXCLUDES(mMutex);
-
-private:
-    friend class VSyncModulatorTest;
-    // Returns the next offsets that we should be using
-    const Offsets& getNextOffsets() const REQUIRES(mMutex);
-    // Updates offsets and persists them into the scheduler framework.
-    void updateOffsets() EXCLUDES(mMutex);
-    void updateOffsetsLocked() REQUIRES(mMutex);
-
-    IPhaseOffsetControl& mPhaseOffsetControl;
-    const ConnectionHandle mAppConnectionHandle;
-    const ConnectionHandle mSfConnectionHandle;
-
-    mutable std::mutex mMutex;
-    OffsetsConfig mOffsetsConfig GUARDED_BY(mMutex);
-
-    Offsets mOffsets GUARDED_BY(mMutex){mOffsetsConfig.late};
-
-    std::atomic<Scheduler::TransactionStart> mTransactionStart =
-            Scheduler::TransactionStart::Normal;
-    std::atomic<bool> mRefreshRateChangePending = false;
-    std::atomic<bool> mExplicitEarlyWakeup = false;
-    std::atomic<int> mRemainingEarlyFrameCount = 0;
-    std::atomic<int> mRemainingRenderEngineUsageCount = 0;
-    std::atomic<std::chrono::steady_clock::time_point> mEarlyTxnStartTime = {};
-    std::atomic<std::chrono::steady_clock::time_point> mTxnAppliedTime = {};
-
-    bool mTraceDetailedInfo = false;
-};
-
-} // namespace android::scheduler