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1 // Copyright (C) 2016 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 #pragma once
15 
16 #include <memory>
17 #include <unordered_set>
18 #include <utility>
19 #include <vector>
20 
21 #include "RenderThread.h"
22 #include "RenderWindow.h"
23 #include "aemu/base/Compiler.h"
24 #include "aemu/base/synchronization/Lock.h"
25 #include "aemu/base/synchronization/MessageChannel.h"
26 #include "aemu/base/threads/FunctorThread.h"
27 #include "render-utils/Renderer.h"
28 #include "snapshot/common.h"
29 
30 namespace android_studio {
31     class EmulatorGLESUsages;
32 }
33 
34 namespace gfxstream {
35 
36 class RendererImpl final : public Renderer {
37 public:
38     RendererImpl();
39     ~RendererImpl();
40 
41     bool initialize(int width, int height, bool useSubWindow, bool egl2egl);
42     void stop(bool wait) override;
43     void finish() override;
44 
45 public:
46     RenderChannelPtr createRenderChannel(
47         android::base::Stream* loadStream, uint32_t virtioGpuContextId) final;
48 
49     void* addressSpaceGraphicsConsumerCreate(
50         struct asg_context,
51         android::base::Stream* stream,
52         android::emulation::asg::ConsumerCallbacks,
53         uint32_t contextId, uint32_t capsetId,
54         std::optional<std::string> name) override final;
55     void addressSpaceGraphicsConsumerDestroy(void*) override final;
56     void addressSpaceGraphicsConsumerPreSave(void* consumer) override final;
57     void addressSpaceGraphicsConsumerSave(void* consumer, android::base::Stream* stream) override final;
58     void addressSpaceGraphicsConsumerPostSave(void* consumer) override final;
59     void addressSpaceGraphicsConsumerRegisterPostLoadRenderThread(void* consumer) override final;
60 
61     HardwareStrings getHardwareStrings() final;
62     void setPostCallback(OnPostCallback onPost,
63                          void* context,
64                          bool useBgraReadback,
65                          uint32_t displayId) final;
66     bool asyncReadbackSupported() final;
67     ReadPixelsCallback getReadPixelsCallback() final;
68     FlushReadPixelPipeline getFlushReadPixelPipeline() final;
69     bool showOpenGLSubwindow(FBNativeWindowType window,
70                              int wx,
71                              int wy,
72                              int ww,
73                              int wh,
74                              int fbw,
75                              int fbh,
76                              float dpr,
77                              float zRot,
78                              bool deleteExisting,
79                              bool hideWindow) final;
80     bool destroyOpenGLSubwindow() final;
81     void setOpenGLDisplayRotation(float zRot) final;
82     void setOpenGLDisplayTranslation(float px, float py) final;
83     void repaintOpenGLDisplay() final;
84 
85     bool hasGuestPostedAFrame() final;
86     void resetGuestPostedAFrame() final;
87 
88     void setScreenMask(int width, int height, const unsigned char* rgbaData) final;
89     void setMultiDisplay(uint32_t id,
90                          int32_t x,
91                          int32_t y,
92                          uint32_t w,
93                          uint32_t h,
94                          uint32_t dpi,
95                          bool add) final;
96     void setMultiDisplayColorBuffer(uint32_t id, uint32_t cb) override;
97     void onGuestGraphicsProcessCreate(uint64_t puid) final;
98     // TODO(kaiyili): rename this interface to onGuestGraphicsProcessDestroy.
99     void cleanupProcGLObjects(uint64_t puid) final;
100     void waitForProcessCleanup() final;
101     struct AndroidVirtioGpuOps* getVirtioGpuOps() final;
102 
103     void pauseAllPreSave() final;
104     void resumeAll(bool waitForSave = true) final;
105 
106     void save(android::base::Stream* stream,
107               const android::snapshot::ITextureSaverPtr& textureSaver) final;
108     bool load(android::base::Stream* stream,
109               const android::snapshot::ITextureLoaderPtr& textureLoader) final;
110     void fillGLESUsages(android_studio::EmulatorGLESUsages*) final;
111     int getScreenshot(unsigned int nChannels, unsigned int* width, unsigned int* height,
112                       uint8_t* pixels, size_t* cPixels, int displayId, int desiredWidth,
113                       int desiredHeight, int desiredRotation, Rect rect) final;
114 
115     void snapshotOperationCallback(
116             int snapshotterOp,
117             int snapshotterStage) final;
118 
119     void addListener(FrameBufferChangeEventListener* listener) override;
120     void removeListener(FrameBufferChangeEventListener* listener) override;
121 
122     void setVsyncHz(int vsyncHz) final;
123     void setDisplayConfigs(int configId, int w, int h, int dpiX, int dpiY) override;
124     void setDisplayActiveConfig(int configId) override;
125 
126     const void* getEglDispatch() override;
127     const void* getGles2Dispatch() override;
128 
129 private:
130     DISALLOW_COPY_ASSIGN_AND_MOVE(RendererImpl);
131 
132 private:
133     // Stop all render threads and wait until they exit,
134     // and also delete them.
135     void cleanupRenderThreads();
136 
137     std::unique_ptr<RenderWindow> mRenderWindow;
138 
139     android::base::Lock mChannelsLock;
140 
141     std::vector<std::shared_ptr<RenderChannelImpl>> mChannels;
142     std::vector<std::shared_ptr<RenderChannelImpl>> mStoppedChannels;
143     bool mStopped = false;
144 
145     class ProcessCleanupThread;
146     std::unique_ptr<ProcessCleanupThread> mCleanupThread;
147 
148     std::unique_ptr<RenderThread> mLoaderRenderThread;
149 
150     std::vector<RenderThread*> mAdditionalPostLoadRenderThreads;
151 
152     android::base::Lock mAddressSpaceRenderThreadLock;
153     std::unordered_set<RenderThread*> mAddressSpaceRenderThreads;
154 };
155 
156 }  // namespace gfxstream
157