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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 "SurfaceFlinger.h"
namespace android {
using RefreshRate = scheduler::RefreshRateConfigs::RefreshRate;
class RefreshRateOverlay {
public:
RefreshRateOverlay(SurfaceFlinger& flinger);
void changeRefreshRate(const RefreshRate& refreshRate);
private:
class SevenSegmentDrawer {
public:
static sp<GraphicBuffer> drawNumber(int number, const half4& color);
static uint32_t getHeight() { return BUFFER_HEIGHT; }
static uint32_t getWidth() { return BUFFER_WIDTH; }
private:
enum class Segment { Upper, UpperLeft, UpperRight, Middle, LowerLeft, LowerRight, Buttom };
static void drawRect(const Rect& r, const half4& color, const sp<GraphicBuffer>& buffer,
uint8_t* pixels);
static void drawSegment(Segment segment, int left, const half4& color,
const sp<GraphicBuffer>& buffer, uint8_t* pixels);
static void drawDigit(int digit, int left, const half4& color,
const sp<GraphicBuffer>& buffer, uint8_t* pixels);
static constexpr uint32_t DIGIT_HEIGHT = 100;
static constexpr uint32_t DIGIT_WIDTH = 64;
static constexpr uint32_t DIGIT_SPACE = 16;
static constexpr uint32_t BUFFER_HEIGHT = DIGIT_HEIGHT;
static constexpr uint32_t BUFFER_WIDTH =
3 * DIGIT_WIDTH + 2 * DIGIT_SPACE; // Digit|Space|Digit|Space|Digit
};
bool createLayer();
void primeCache();
SurfaceFlinger& mFlinger;
sp<Client> mClient;
sp<Layer> mLayer;
sp<IBinder> mIBinder;
sp<IGraphicBufferProducer> mGbp;
std::unordered_map<int, sp<GraphicBuffer>> mBufferCache;
static constexpr float ALPHA = 0.8f;
const half3 LOW_FPS_COLOR = half3(1.0f, 0.0f, 0.0f);
const half3 HIGH_FPS_COLOR = half3(0.0f, 1.0f, 0.0f);
};
}; // namespace android
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