1 /* 2 * Copyright 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <math/vec4.h> 20 #include <renderengine/RenderEngine.h> 21 #include <ui/Rect.h> 22 #include <ui/Size.h> 23 #include <utils/StrongPointer.h> 24 25 #include <unordered_map> 26 27 #include "Fps.h" 28 29 namespace android { 30 31 class Client; 32 class GraphicBuffer; 33 class IBinder; 34 class IGraphicBufferProducer; 35 class Layer; 36 class SurfaceFlinger; 37 38 class RefreshRateOverlay { 39 public: 40 RefreshRateOverlay(SurfaceFlinger&, bool showSpinner); 41 42 void setViewport(ui::Size); 43 void changeRefreshRate(const Fps&); 44 void onInvalidate(); 45 void reset(); 46 47 private: 48 class SevenSegmentDrawer { 49 public: 50 static std::vector<sp<GraphicBuffer>> drawNumber(int number, const half4& color, 51 bool showSpinner); getHeight()52 static uint32_t getHeight() { return BUFFER_HEIGHT; } getWidth()53 static uint32_t getWidth() { return BUFFER_WIDTH; } 54 55 private: 56 enum class Segment { Upper, UpperLeft, UpperRight, Middle, LowerLeft, LowerRight, Buttom }; 57 58 static void drawRect(const Rect& r, const half4& color, const sp<GraphicBuffer>& buffer, 59 uint8_t* pixels); 60 static void drawSegment(Segment segment, int left, const half4& color, 61 const sp<GraphicBuffer>& buffer, uint8_t* pixels); 62 static void drawDigit(int digit, int left, const half4& color, 63 const sp<GraphicBuffer>& buffer, uint8_t* pixels); 64 65 static constexpr uint32_t DIGIT_HEIGHT = 100; 66 static constexpr uint32_t DIGIT_WIDTH = 64; 67 static constexpr uint32_t DIGIT_SPACE = 16; 68 static constexpr uint32_t BUFFER_HEIGHT = DIGIT_HEIGHT; 69 static constexpr uint32_t BUFFER_WIDTH = 70 4 * DIGIT_WIDTH + 3 * DIGIT_SPACE; // Digit|Space|Digit|Space|Digit|Space|Spinner 71 }; 72 73 bool createLayer(); 74 const std::vector<std::shared_ptr<renderengine::ExternalTexture>>& getOrCreateBuffers( 75 uint32_t fps); 76 77 SurfaceFlinger& mFlinger; 78 const sp<Client> mClient; 79 sp<Layer> mLayer; 80 sp<IBinder> mIBinder; 81 sp<IGraphicBufferProducer> mGbp; 82 83 std::unordered_map<int, std::vector<std::shared_ptr<renderengine::ExternalTexture>>> 84 mBufferCache; 85 std::optional<int> mCurrentFps; 86 int mFrame = 0; 87 static constexpr float ALPHA = 0.8f; 88 const half3 LOW_FPS_COLOR = half3(1.0f, 0.0f, 0.0f); 89 const half3 HIGH_FPS_COLOR = half3(0.0f, 1.0f, 0.0f); 90 91 const bool mShowSpinner; 92 93 // Interpolate the colors between these values. 94 uint32_t mLowFps; 95 uint32_t mHighFps; 96 }; 97 98 } // namespace android 99