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/*
* Copyright 2019 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 "Utils/OverlayUtils.h"
#include <vector>
#include <ftl/flags.h>
#include <ftl/small_map.h>
#include <ui/LayerStack.h>
#include <ui/Size.h>
#include <ui/Transform.h>
#include <utils/StrongPointer.h>
#include <scheduler/Fps.h>
class SkCanvas;
namespace android {
class GraphicBuffer;
class SurfaceFlinger;
class RefreshRateOverlay {
private:
// Effectively making the constructor private, while keeping std::make_unique work
struct ConstructorTag {};
public:
enum class Features {
Spinner = 1 << 0,
RenderRate = 1 << 1,
ShowInMiddle = 1 << 2,
SetByHwc = 1 << 3,
};
static std::unique_ptr<RefreshRateOverlay> create(FpsRange, ftl::Flags<Features>);
void setLayerStack(ui::LayerStack);
void setViewport(ui::Size);
void changeRefreshRate(Fps, Fps);
void changeRenderRate(Fps);
void animate();
bool isSetByHwc() const { return mFeatures.test(RefreshRateOverlay::Features::SetByHwc); }
void onVrrIdle(bool idle);
RefreshRateOverlay(ConstructorTag, FpsRange, ftl::Flags<Features>);
private:
bool initCheck() const;
using Buffers = std::vector<sp<GraphicBuffer>>;
static Buffers draw(int refreshRate, int renderFps, bool idle, SkColor,
ui::Transform::RotationFlags, ftl::Flags<Features>);
static void drawNumber(int number, int left, SkColor, SkCanvas&);
static void drawDash(int left, SkCanvas&);
const Buffers& getOrCreateBuffers(Fps, Fps, bool);
SurfaceComposerClient::Transaction createTransaction() const;
struct Key {
int refreshRate;
int renderFps;
ui::Transform::RotationFlags flags;
bool idle;
bool operator==(Key other) const {
return refreshRate == other.refreshRate && renderFps == other.renderFps &&
flags == other.flags && idle == other.idle;
}
};
using BufferCache = ftl::SmallMap<Key, Buffers, 9>;
BufferCache mBufferCache;
std::optional<Fps> mRefreshRate;
std::optional<Fps> mRenderFps;
bool mIsVrrIdle = false;
size_t mFrame = 0;
const FpsRange mFpsRange; // For color interpolation.
const ftl::Flags<Features> mFeatures;
const std::unique_ptr<SurfaceControlHolder> mSurfaceControl;
};
} // namespace android
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