1 /* 2 * Copyright (C) 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 #pragma once 17 18 #include <system/graphics.h> 19 #include <system/window.h> 20 #include <vulkan/vulkan.h> 21 22 #include <SkRefCnt.h> 23 #include <SkSize.h> 24 25 #include "IRenderPipeline.h" 26 27 class SkSurface; 28 29 namespace android { 30 namespace uirenderer { 31 namespace renderthread { 32 33 class VulkanManager; 34 35 class VulkanSurface { 36 public: 37 static VulkanSurface* Create(ANativeWindow* window, ColorMode colorMode, SkColorType colorType, 38 sk_sp<SkColorSpace> colorSpace, GrContext* grContext, 39 const VulkanManager& vkManager, uint32_t extraBuffers); 40 ~VulkanSurface(); 41 getCurrentSkSurface()42 sk_sp<SkSurface> getCurrentSkSurface() { 43 return mCurrentBufferInfo ? mCurrentBufferInfo->skSurface : nullptr; 44 } getCurrentPreTransform()45 const SkMatrix& getCurrentPreTransform() { return mWindowInfo.preTransform; } 46 47 private: 48 /* 49 * All structs/methods in this private section are specifically for use by the VulkanManager 50 * 51 */ 52 friend VulkanManager; 53 struct NativeBufferInfo { 54 sk_sp<SkSurface> skSurface; 55 sp<ANativeWindowBuffer> buffer; 56 // The fence is only valid when the buffer is dequeued, and should be 57 // -1 any other time. When valid, we own the fd, and must ensure it is 58 // closed: either by closing it explicitly when queueing the buffer, 59 // or by passing ownership e.g. to ANativeWindow::cancelBuffer(). 60 int dequeue_fence = -1; 61 bool dequeued = false; 62 uint32_t lastPresentedCount = 0; 63 bool hasValidContents = false; 64 }; 65 66 NativeBufferInfo* dequeueNativeBuffer(); getCurrentBufferInfo()67 NativeBufferInfo* getCurrentBufferInfo() { return mCurrentBufferInfo; } 68 bool presentCurrentBuffer(const SkRect& dirtyRect, int semaphoreFd); 69 70 // The width and height are are the logical width and height for when submitting draws to the 71 // surface. In reality if the window is rotated the underlying window may have the width and 72 // height swapped. logicalWidth()73 int logicalWidth() const { return mWindowInfo.size.width(); } logicalHeight()74 int logicalHeight() const { return mWindowInfo.size.height(); } 75 int getCurrentBuffersAge(); 76 77 private: 78 /* 79 * All code below this line while logically available to VulkanManager should not be treated 80 * as private to this class. 81 * 82 */ 83 84 // How many buffers we want to be able to use ourselves. We want 1 in active rendering with 85 // 1 more queued, so 2. This will be added to NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, which is 86 // how many buffers the consumer needs (eg, 1 for SurfaceFlinger), getting to a typically 87 // triple-buffered queue as a result. 88 static constexpr uint32_t sTargetBufferCount = 2; 89 90 struct WindowInfo { 91 SkISize size; 92 PixelFormat pixelFormat; 93 android_dataspace dataspace; 94 int transform; 95 size_t bufferCount; 96 uint64_t windowUsageFlags; 97 98 // size of the ANativeWindow if the inverse of transform requires us to swap width/height 99 SkISize actualSize; 100 // transform to be applied to the SkSurface to map the coordinates to the provided transform 101 SkMatrix preTransform; 102 }; 103 104 VulkanSurface(ANativeWindow* window, const WindowInfo& windowInfo, SkISize minWindowSize, 105 SkISize maxWindowSize, GrContext* grContext); 106 static bool UpdateWindow(ANativeWindow* window, const WindowInfo& windowInfo); 107 static void ComputeWindowSizeAndTransform(WindowInfo* windowInfo, const SkISize& minSize, 108 const SkISize& maxSize); 109 void releaseBuffers(); 110 111 // TODO: Just use a vector? 112 NativeBufferInfo mNativeBuffers[android::BufferQueueDefs::NUM_BUFFER_SLOTS]; 113 114 sp<ANativeWindow> mNativeWindow; 115 WindowInfo mWindowInfo; 116 GrContext* mGrContext; 117 118 uint32_t mPresentCount = 0; 119 NativeBufferInfo* mCurrentBufferInfo = nullptr; 120 121 const SkISize mMinWindowSize; 122 const SkISize mMaxWindowSize; 123 }; 124 125 } /* namespace renderthread */ 126 } /* namespace uirenderer */ 127 } /* namespace android */