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      1 /*
      2  * Copyright 2017 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 #define HWC2_USE_CPP11
     20 #define HWC2_INCLUDE_STRINGIFICATION
     21 #include <composer-hal/2.1/ComposerClient.h>
     22 #undef HWC2_USE_CPP11
     23 #undef HWC2_INCLUDE_STRINGIFICATION
     24 #include "RenderState.h"
     25 
     26 // Needed for display type/ID enums
     27 #include <hardware/hwcomposer_defs.h>
     28 
     29 #include <utils/Condition.h>
     30 
     31 #include <chrono>
     32 
     33 using namespace android::hardware::graphics::composer::V2_1;
     34 using namespace android::hardware::graphics::composer::V2_1::hal;
     35 using namespace android::hardware;
     36 using namespace std::chrono_literals;
     37 
     38 namespace {
     39 class LayerImpl;
     40 class Frame;
     41 class DelayedEventGenerator;
     42 } // namespace
     43 
     44 namespace android {
     45 class SurfaceComposerClient;
     46 } // namespace android
     47 
     48 namespace sftest {
     49 
     50 // NOTE: The ID's need to be exactly these. VR composer and parts of
     51 // the SurfaceFlinger assume the display IDs to have these values
     52 // despite the enum being documented as a display type.
     53 // TODO: Reference to actual documentation
     54 constexpr Display PRIMARY_DISPLAY = static_cast<Display>(HWC_DISPLAY_PRIMARY);
     55 constexpr Display EXTERNAL_DISPLAY = static_cast<Display>(HWC_DISPLAY_EXTERNAL);
     56 
     57 class FakeComposerClient : public ComposerHal {
     58 public:
     59     FakeComposerClient();
     60     virtual ~FakeComposerClient();
     61 
     62     bool hasCapability(hwc2_capability_t capability) override;
     63 
     64     std::string dumpDebugInfo() override;
     65     void registerEventCallback(EventCallback* callback) override;
     66     void unregisterEventCallback() override;
     67 
     68     uint32_t getMaxVirtualDisplayCount() override;
     69     Error createVirtualDisplay(uint32_t width, uint32_t height, PixelFormat* format,
     70                                Display* outDisplay) override;
     71     Error destroyVirtualDisplay(Display display) override;
     72     Error createLayer(Display display, Layer* outLayer) override;
     73     Error destroyLayer(Display display, Layer layer) override;
     74 
     75     Error getActiveConfig(Display display, Config* outConfig) override;
     76     Error getClientTargetSupport(Display display, uint32_t width, uint32_t height,
     77                                  PixelFormat format, Dataspace dataspace) override;
     78     Error getColorModes(Display display, hidl_vec<ColorMode>* outModes) override;
     79     Error getDisplayAttribute(Display display, Config config, IComposerClient::Attribute attribute,
     80                               int32_t* outValue) override;
     81     Error getDisplayConfigs(Display display, hidl_vec<Config>* outConfigs) override;
     82     Error getDisplayName(Display display, hidl_string* outName) override;
     83     Error getDisplayType(Display display, IComposerClient::DisplayType* outType) override;
     84     Error getDozeSupport(Display display, bool* outSupport) override;
     85     Error getHdrCapabilities(Display display, hidl_vec<Hdr>* outTypes, float* outMaxLuminance,
     86                              float* outMaxAverageLuminance, float* outMinLuminance) override;
     87 
     88     Error setActiveConfig(Display display, Config config) override;
     89     Error setColorMode(Display display, ColorMode mode) override;
     90     Error setPowerMode(Display display, IComposerClient::PowerMode mode) override;
     91     Error setVsyncEnabled(Display display, IComposerClient::Vsync enabled) override;
     92 
     93     Error setColorTransform(Display display, const float* matrix, int32_t hint) override;
     94     Error setClientTarget(Display display, buffer_handle_t target, int32_t acquireFence,
     95                           int32_t dataspace, const std::vector<hwc_rect_t>& damage) override;
     96     Error setOutputBuffer(Display display, buffer_handle_t buffer, int32_t releaseFence) override;
     97     Error validateDisplay(Display display, std::vector<Layer>* outChangedLayers,
     98                           std::vector<IComposerClient::Composition>* outCompositionTypes,
     99                           uint32_t* outDisplayRequestMask, std::vector<Layer>* outRequestedLayers,
    100                           std::vector<uint32_t>* outRequestMasks) override;
    101     Error acceptDisplayChanges(Display display) override;
    102     Error presentDisplay(Display display, int32_t* outPresentFence, std::vector<Layer>* outLayers,
    103                          std::vector<int32_t>* outReleaseFences) override;
    104 
    105     Error setLayerCursorPosition(Display display, Layer layer, int32_t x, int32_t y) override;
    106     Error setLayerBuffer(Display display, Layer layer, buffer_handle_t buffer,
    107                          int32_t acquireFence) override;
    108     Error setLayerSurfaceDamage(Display display, Layer layer,
    109                                 const std::vector<hwc_rect_t>& damage) override;
    110     Error setLayerBlendMode(Display display, Layer layer, int32_t mode) override;
    111     Error setLayerColor(Display display, Layer layer, IComposerClient::Color color) override;
    112     Error setLayerCompositionType(Display display, Layer layer, int32_t type) override;
    113     Error setLayerDataspace(Display display, Layer layer, int32_t dataspace) override;
    114     Error setLayerDisplayFrame(Display display, Layer layer, const hwc_rect_t& frame) override;
    115     Error setLayerPlaneAlpha(Display display, Layer layer, float alpha) override;
    116     Error setLayerSidebandStream(Display display, Layer layer, buffer_handle_t stream) override;
    117     Error setLayerSourceCrop(Display display, Layer layer, const hwc_frect_t& crop) override;
    118     Error setLayerTransform(Display display, Layer layer, int32_t transform) override;
    119     Error setLayerVisibleRegion(Display display, Layer layer,
    120                                 const std::vector<hwc_rect_t>& visible) override;
    121     Error setLayerZOrder(Display display, Layer layer, uint32_t z) override;
    122 
    123     void setClient(ComposerClient* client);
    124 
    125     void requestVSync(uint64_t vsyncTime = 0);
    126     // We don't want tests hanging, so always use a timeout. Remember
    127     // to always check the number of frames with test ASSERT_!
    128     // Wait until next frame is rendered after requesting vsync.
    129     void runVSyncAndWait(std::chrono::nanoseconds maxWait = 100ms);
    130     void runVSyncAfter(std::chrono::nanoseconds wait);
    131 
    132     int getFrameCount() const;
    133     // We don't want tests hanging, so always use a timeout. Remember
    134     // to always check the number of frames with test ASSERT_!
    135     void waitUntilFrame(int targetFrame, std::chrono::nanoseconds maxWait = 100ms) const;
    136     std::vector<RenderState> getFrameRects(int frame) const;
    137     std::vector<RenderState> getLatestFrame() const;
    138     void clearFrames();
    139 
    140     void onSurfaceFlingerStart();
    141     void onSurfaceFlingerStop();
    142 
    143     int getLayerCount() const;
    144     Layer getLayer(size_t index) const;
    145 
    146     void hotplugDisplay(Display display, IComposerCallback::Connection state);
    147     void refreshDisplay(Display display);
    148 
    149 private:
    150     LayerImpl& getLayerImpl(Layer handle);
    151 
    152     EventCallback* mEventCallback;
    153     Config mCurrentConfig;
    154     bool mVsyncEnabled;
    155     std::vector<std::unique_ptr<LayerImpl>> mLayers;
    156     std::vector<std::unique_ptr<Frame>> mFrames;
    157     // Using a pointer to hide the implementation into the CPP file.
    158     std::unique_ptr<DelayedEventGenerator> mDelayedEventGenerator;
    159     android::sp<android::SurfaceComposerClient> mSurfaceComposer; // For VSync injections
    160     mutable android::Mutex mStateMutex;
    161     mutable android::Condition mFramesAvailable;
    162 };
    163 
    164 } // namespace sftest
    165