|  | /* | 
|  | * Copyright 2015 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. | 
|  | */ | 
|  |  | 
|  | #ifndef ANDROID_SF_HWC2_ON_1_ADAPTER_H | 
|  | #define ANDROID_SF_HWC2_ON_1_ADAPTER_H | 
|  |  | 
|  | #define HWC2_INCLUDE_STRINGIFICATION | 
|  | #define HWC2_USE_CPP11 | 
|  | #include <hardware/hwcomposer2.h> | 
|  | #undef HWC2_INCLUDE_STRINGIFICATION | 
|  | #undef HWC2_USE_CPP11 | 
|  |  | 
|  | #include <ui/Fence.h> | 
|  |  | 
|  | #include <atomic> | 
|  | #include <map> | 
|  | #include <mutex> | 
|  | #include <queue> | 
|  | #include <set> | 
|  | #include <unordered_map> | 
|  | #include <unordered_set> | 
|  | #include <vector> | 
|  |  | 
|  | struct hwc_composer_device_1; | 
|  | struct hwc_display_contents_1; | 
|  | struct hwc_layer_1; | 
|  |  | 
|  | namespace android { | 
|  |  | 
|  | class HWC2On1Adapter : public hwc2_device_t | 
|  | { | 
|  | public: | 
|  | explicit HWC2On1Adapter(struct hwc_composer_device_1* hwc1Device); | 
|  | ~HWC2On1Adapter(); | 
|  |  | 
|  | struct hwc_composer_device_1* getHwc1Device() const { return mHwc1Device; } | 
|  | uint8_t getHwc1MinorVersion() const { return mHwc1MinorVersion; } | 
|  |  | 
|  | private: | 
|  | static inline HWC2On1Adapter* getAdapter(hwc2_device_t* device) { | 
|  | return static_cast<HWC2On1Adapter*>(device); | 
|  | } | 
|  |  | 
|  | // getCapabilities | 
|  |  | 
|  | void doGetCapabilities(uint32_t* outCount, | 
|  | int32_t* /*hwc2_capability_t*/ outCapabilities); | 
|  | static void getCapabilitiesHook(hwc2_device_t* device, uint32_t* outCount, | 
|  | int32_t* /*hwc2_capability_t*/ outCapabilities) { | 
|  | getAdapter(device)->doGetCapabilities(outCount, outCapabilities); | 
|  | } | 
|  |  | 
|  | // getFunction | 
|  |  | 
|  | hwc2_function_pointer_t doGetFunction(HWC2::FunctionDescriptor descriptor); | 
|  | static hwc2_function_pointer_t getFunctionHook(hwc2_device_t* device, | 
|  | int32_t intDesc) { | 
|  | auto descriptor = static_cast<HWC2::FunctionDescriptor>(intDesc); | 
|  | return getAdapter(device)->doGetFunction(descriptor); | 
|  | } | 
|  |  | 
|  | // Device functions | 
|  |  | 
|  | HWC2::Error createVirtualDisplay(uint32_t width, uint32_t height, | 
|  | hwc2_display_t* outDisplay); | 
|  | static int32_t createVirtualDisplayHook(hwc2_device_t* device, | 
|  | uint32_t width, uint32_t height, int32_t* /*format*/, | 
|  | hwc2_display_t* outDisplay) { | 
|  | // HWC1 implementations cannot override the buffer format requested by | 
|  | // the consumer | 
|  | auto error = getAdapter(device)->createVirtualDisplay(width, height, | 
|  | outDisplay); | 
|  | return static_cast<int32_t>(error); | 
|  | } | 
|  |  | 
|  | HWC2::Error destroyVirtualDisplay(hwc2_display_t display); | 
|  | static int32_t destroyVirtualDisplayHook(hwc2_device_t* device, | 
|  | hwc2_display_t display) { | 
|  | auto error = getAdapter(device)->destroyVirtualDisplay(display); | 
|  | return static_cast<int32_t>(error); | 
|  | } | 
|  |  | 
|  | std::string mDumpString; | 
|  | void dump(uint32_t* outSize, char* outBuffer); | 
|  | static void dumpHook(hwc2_device_t* device, uint32_t* outSize, | 
|  | char* outBuffer) { | 
|  | getAdapter(device)->dump(outSize, outBuffer); | 
|  | } | 
|  |  | 
|  | uint32_t getMaxVirtualDisplayCount(); | 
|  | static uint32_t getMaxVirtualDisplayCountHook(hwc2_device_t* device) { | 
|  | return getAdapter(device)->getMaxVirtualDisplayCount(); | 
|  | } | 
|  |  | 
|  | HWC2::Error registerCallback(HWC2::Callback descriptor, | 
|  | hwc2_callback_data_t callbackData, hwc2_function_pointer_t pointer); | 
|  | static int32_t registerCallbackHook(hwc2_device_t* device, | 
|  | int32_t intDesc, hwc2_callback_data_t callbackData, | 
|  | hwc2_function_pointer_t pointer) { | 
|  | auto descriptor = static_cast<HWC2::Callback>(intDesc); | 
|  | auto error = getAdapter(device)->registerCallback(descriptor, | 
|  | callbackData, pointer); | 
|  | return static_cast<int32_t>(error); | 
|  | } | 
|  |  | 
|  | // Display functions | 
|  |  | 
|  | class Layer; | 
|  |  | 
|  | class SortLayersByZ { | 
|  | public: | 
|  | bool operator()(const std::shared_ptr<Layer>& lhs, | 
|  | const std::shared_ptr<Layer>& rhs); | 
|  | }; | 
|  |  | 
|  | class DisplayContentsDeleter { | 
|  | public: | 
|  | void operator()(struct hwc_display_contents_1* contents); | 
|  | }; | 
|  |  | 
|  | class DeferredFence { | 
|  | public: | 
|  | DeferredFence() | 
|  | : mMutex(), | 
|  | mFences({Fence::NO_FENCE, Fence::NO_FENCE}) {} | 
|  |  | 
|  | void add(int32_t fenceFd) { | 
|  | mFences.emplace(new Fence(fenceFd)); | 
|  | mFences.pop(); | 
|  | } | 
|  |  | 
|  | const sp<Fence>& get() const { | 
|  | return mFences.front(); | 
|  | } | 
|  |  | 
|  | private: | 
|  | mutable std::mutex mMutex; | 
|  | std::queue<sp<Fence>> mFences; | 
|  | }; | 
|  |  | 
|  | class FencedBuffer { | 
|  | public: | 
|  | FencedBuffer() : mBuffer(nullptr), mFence(Fence::NO_FENCE) {} | 
|  |  | 
|  | void setBuffer(buffer_handle_t buffer) { mBuffer = buffer; } | 
|  | void setFence(int fenceFd) { mFence = new Fence(fenceFd); } | 
|  |  | 
|  | buffer_handle_t getBuffer() const { return mBuffer; } | 
|  | int getFence() const { return mFence->dup(); } | 
|  |  | 
|  | private: | 
|  | buffer_handle_t mBuffer; | 
|  | sp<Fence> mFence; | 
|  | }; | 
|  |  | 
|  | class Display { | 
|  | public: | 
|  | typedef std::unique_ptr<hwc_display_contents_1, | 
|  | DisplayContentsDeleter> HWC1Contents; | 
|  |  | 
|  | Display(HWC2On1Adapter& device, HWC2::DisplayType type); | 
|  |  | 
|  | hwc2_display_t getId() const { return mId; } | 
|  | HWC2On1Adapter& getDevice() const { return mDevice; } | 
|  |  | 
|  | // Does not require locking because it is set before adding the | 
|  | // Displays to the Adapter's list of displays | 
|  | void setHwc1Id(int32_t id) { mHwc1Id = id; } | 
|  | int32_t getHwc1Id() const { return mHwc1Id; } | 
|  |  | 
|  | void incDirty() { ++mDirtyCount; } | 
|  | void decDirty() { --mDirtyCount; } | 
|  | bool isDirty() const { return mDirtyCount > 0 || mZIsDirty; } | 
|  |  | 
|  | // HWC2 Display functions | 
|  | HWC2::Error acceptChanges(); | 
|  | HWC2::Error createLayer(hwc2_layer_t* outLayerId); | 
|  | HWC2::Error destroyLayer(hwc2_layer_t layerId); | 
|  | HWC2::Error getActiveConfig(hwc2_config_t* outConfigId); | 
|  | HWC2::Error getAttribute(hwc2_config_t configId, | 
|  | HWC2::Attribute attribute, int32_t* outValue); | 
|  | HWC2::Error getChangedCompositionTypes(uint32_t* outNumElements, | 
|  | hwc2_layer_t* outLayers, int32_t* outTypes); | 
|  | HWC2::Error getColorModes(uint32_t* outNumModes, int32_t* outModes); | 
|  | HWC2::Error getConfigs(uint32_t* outNumConfigs, | 
|  | hwc2_config_t* outConfigIds); | 
|  | HWC2::Error getDozeSupport(int32_t* outSupport); | 
|  | HWC2::Error getHdrCapabilities(uint32_t* outNumTypes, | 
|  | int32_t* outTypes, float* outMaxLuminance, | 
|  | float* outMaxAverageLuminance, float* outMinLuminance); | 
|  | HWC2::Error getName(uint32_t* outSize, char* outName); | 
|  | HWC2::Error getReleaseFences(uint32_t* outNumElements, | 
|  | hwc2_layer_t* outLayers, int32_t* outFences); | 
|  | HWC2::Error getRequests(int32_t* outDisplayRequests, | 
|  | uint32_t* outNumElements, hwc2_layer_t* outLayers, | 
|  | int32_t* outLayerRequests); | 
|  | HWC2::Error getType(int32_t* outType); | 
|  | HWC2::Error present(int32_t* outRetireFence); | 
|  | HWC2::Error setActiveConfig(hwc2_config_t configId); | 
|  | HWC2::Error setClientTarget(buffer_handle_t target, | 
|  | int32_t acquireFence, int32_t dataspace, | 
|  | hwc_region_t damage); | 
|  | HWC2::Error setColorMode(android_color_mode_t mode); | 
|  | HWC2::Error setColorTransform(android_color_transform_t hint); | 
|  | HWC2::Error setOutputBuffer(buffer_handle_t buffer, | 
|  | int32_t releaseFence); | 
|  | HWC2::Error setPowerMode(HWC2::PowerMode mode); | 
|  | HWC2::Error setVsyncEnabled(HWC2::Vsync enabled); | 
|  | HWC2::Error validate(uint32_t* outNumTypes, | 
|  | uint32_t* outNumRequests); | 
|  |  | 
|  | HWC2::Error updateLayerZ(hwc2_layer_t layerId, uint32_t z); | 
|  |  | 
|  | // Read configs from HWC1 device | 
|  | void populateConfigs(); | 
|  |  | 
|  | // Set configs for a virtual display | 
|  | void populateConfigs(uint32_t width, uint32_t height); | 
|  |  | 
|  | bool prepare(); | 
|  | HWC1Contents cloneRequestedContents() const; | 
|  | void setReceivedContents(HWC1Contents contents); | 
|  | bool hasChanges() const; | 
|  | HWC2::Error set(hwc_display_contents_1& hwcContents); | 
|  | void addRetireFence(int fenceFd); | 
|  | void addReleaseFences(const hwc_display_contents_1& hwcContents); | 
|  |  | 
|  | bool hasColorTransform() const; | 
|  |  | 
|  | std::string dump() const; | 
|  |  | 
|  | private: | 
|  | class Config { | 
|  | public: | 
|  | Config(Display& display) | 
|  | : mDisplay(display), | 
|  | mAttributes() {} | 
|  |  | 
|  | bool isOnDisplay(const Display& display) const { | 
|  | return display.getId() == mDisplay.getId(); | 
|  | } | 
|  |  | 
|  | void setAttribute(HWC2::Attribute attribute, int32_t value); | 
|  | int32_t getAttribute(HWC2::Attribute attribute) const; | 
|  |  | 
|  | void setHwc1Id(uint32_t id); | 
|  | bool hasHwc1Id(uint32_t id) const; | 
|  | HWC2::Error getColorModeForHwc1Id(uint32_t id, | 
|  | android_color_mode_t *outMode) const; | 
|  | HWC2::Error getHwc1IdForColorMode(android_color_mode_t mode, | 
|  | uint32_t* outId) const; | 
|  |  | 
|  | void setId(hwc2_config_t id) { mId = id; } | 
|  | hwc2_config_t getId() const { return mId; } | 
|  |  | 
|  | // Attempts to merge two configs that differ only in color | 
|  | // mode. Returns whether the merge was successful | 
|  | bool merge(const Config& other); | 
|  |  | 
|  | std::set<android_color_mode_t> getColorModes() const; | 
|  |  | 
|  | // splitLine divides the output into two lines suitable for | 
|  | // dumpsys SurfaceFlinger | 
|  | std::string toString(bool splitLine = false) const; | 
|  |  | 
|  | private: | 
|  | Display& mDisplay; | 
|  | hwc2_config_t mId; | 
|  | std::unordered_map<HWC2::Attribute, int32_t> mAttributes; | 
|  |  | 
|  | // Maps from color transform to HWC1 config ID | 
|  | std::unordered_map<android_color_mode_t, uint32_t> mHwc1Ids; | 
|  | }; | 
|  |  | 
|  | class Changes { | 
|  | public: | 
|  | uint32_t getNumTypes() const { | 
|  | return static_cast<uint32_t>(mTypeChanges.size()); | 
|  | } | 
|  |  | 
|  | uint32_t getNumLayerRequests() const { | 
|  | return static_cast<uint32_t>(mLayerRequests.size()); | 
|  | } | 
|  |  | 
|  | const std::unordered_map<hwc2_layer_t, HWC2::Composition>& | 
|  | getTypeChanges() const { | 
|  | return mTypeChanges; | 
|  | } | 
|  |  | 
|  | const std::unordered_map<hwc2_layer_t, HWC2::LayerRequest>& | 
|  | getLayerRequests() const { | 
|  | return mLayerRequests; | 
|  | } | 
|  |  | 
|  | int32_t getDisplayRequests() const { | 
|  | int32_t requests = 0; | 
|  | for (auto request : mDisplayRequests) { | 
|  | requests |= static_cast<int32_t>(request); | 
|  | } | 
|  | return requests; | 
|  | } | 
|  |  | 
|  | void addTypeChange(hwc2_layer_t layerId, | 
|  | HWC2::Composition type) { | 
|  | mTypeChanges.insert({layerId, type}); | 
|  | } | 
|  |  | 
|  | void clearTypeChanges() { mTypeChanges.clear(); } | 
|  |  | 
|  | void addLayerRequest(hwc2_layer_t layerId, | 
|  | HWC2::LayerRequest request) { | 
|  | mLayerRequests.insert({layerId, request}); | 
|  | } | 
|  |  | 
|  | private: | 
|  | std::unordered_map<hwc2_layer_t, HWC2::Composition> | 
|  | mTypeChanges; | 
|  | std::unordered_map<hwc2_layer_t, HWC2::LayerRequest> | 
|  | mLayerRequests; | 
|  | std::unordered_set<HWC2::DisplayRequest> mDisplayRequests; | 
|  | }; | 
|  |  | 
|  | std::shared_ptr<const Config> | 
|  | getConfig(hwc2_config_t configId) const; | 
|  |  | 
|  | void populateColorModes(); | 
|  | void initializeActiveConfig(); | 
|  |  | 
|  | void reallocateHwc1Contents(); | 
|  | void assignHwc1LayerIds(); | 
|  |  | 
|  | void updateTypeChanges(const struct hwc_layer_1& hwc1Layer, | 
|  | const Layer& layer); | 
|  | void updateLayerRequests(const struct hwc_layer_1& hwc1Layer, | 
|  | const Layer& layer); | 
|  |  | 
|  | void prepareFramebufferTarget(); | 
|  |  | 
|  | static std::atomic<hwc2_display_t> sNextId; | 
|  | const hwc2_display_t mId; | 
|  | HWC2On1Adapter& mDevice; | 
|  |  | 
|  | std::atomic<size_t> mDirtyCount; | 
|  |  | 
|  | // The state of this display should only be modified from | 
|  | // SurfaceFlinger's main loop, with the exception of when dump is | 
|  | // called. To prevent a bad state from crashing us during a dump | 
|  | // call, all public calls into Display must acquire this mutex. | 
|  | // | 
|  | // It is recursive because we don't want to deadlock in validate | 
|  | // (or present) when we call HWC2On1Adapter::prepareAllDisplays | 
|  | // (or setAllDisplays), which calls back into Display functions | 
|  | // which require locking. | 
|  | mutable std::recursive_mutex mStateMutex; | 
|  |  | 
|  | bool mZIsDirty; | 
|  | HWC1Contents mHwc1RequestedContents; | 
|  | HWC1Contents mHwc1ReceivedContents; | 
|  | DeferredFence mRetireFence; | 
|  |  | 
|  | // Will only be non-null after the layer has been validated but | 
|  | // before it has been presented | 
|  | std::unique_ptr<Changes> mChanges; | 
|  |  | 
|  | int32_t mHwc1Id; | 
|  |  | 
|  | std::vector<std::shared_ptr<Config>> mConfigs; | 
|  | std::shared_ptr<const Config> mActiveConfig; | 
|  | std::set<android_color_mode_t> mColorModes; | 
|  | android_color_mode_t mActiveColorMode; | 
|  | std::string mName; | 
|  | HWC2::DisplayType mType; | 
|  | HWC2::PowerMode mPowerMode; | 
|  | HWC2::Vsync mVsyncEnabled; | 
|  |  | 
|  | FencedBuffer mClientTarget; | 
|  | FencedBuffer mOutputBuffer; | 
|  |  | 
|  | bool mHasColorTransform; | 
|  |  | 
|  | std::multiset<std::shared_ptr<Layer>, SortLayersByZ> mLayers; | 
|  | std::unordered_map<size_t, std::shared_ptr<Layer>> mHwc1LayerMap; | 
|  | }; | 
|  |  | 
|  | template <typename ...Args> | 
|  | static int32_t callDisplayFunction(hwc2_device_t* device, | 
|  | hwc2_display_t displayId, HWC2::Error (Display::*member)(Args...), | 
|  | Args... args) { | 
|  | auto display = getAdapter(device)->getDisplay(displayId); | 
|  | if (!display) { | 
|  | return static_cast<int32_t>(HWC2::Error::BadDisplay); | 
|  | } | 
|  | auto error = ((*display).*member)(std::forward<Args>(args)...); | 
|  | return static_cast<int32_t>(error); | 
|  | } | 
|  |  | 
|  | template <typename MF, MF memFunc, typename ...Args> | 
|  | static int32_t displayHook(hwc2_device_t* device, hwc2_display_t displayId, | 
|  | Args... args) { | 
|  | return HWC2On1Adapter::callDisplayFunction(device, displayId, memFunc, | 
|  | std::forward<Args>(args)...); | 
|  | } | 
|  |  | 
|  | static int32_t getDisplayAttributeHook(hwc2_device_t* device, | 
|  | hwc2_display_t display, hwc2_config_t config, | 
|  | int32_t intAttribute, int32_t* outValue) { | 
|  | auto attribute = static_cast<HWC2::Attribute>(intAttribute); | 
|  | return callDisplayFunction(device, display, &Display::getAttribute, | 
|  | config, attribute, outValue); | 
|  | } | 
|  |  | 
|  | static int32_t setColorTransformHook(hwc2_device_t* device, | 
|  | hwc2_display_t display, const float* /*matrix*/, | 
|  | int32_t /*android_color_transform_t*/ intHint) { | 
|  | // We intentionally throw away the matrix, because if the hint is | 
|  | // anything other than IDENTITY, we have to fall back to client | 
|  | // composition anyway | 
|  | auto hint = static_cast<android_color_transform_t>(intHint); | 
|  | return callDisplayFunction(device, display, &Display::setColorTransform, | 
|  | hint); | 
|  | } | 
|  |  | 
|  | static int32_t setColorModeHook(hwc2_device_t* device, | 
|  | hwc2_display_t display, int32_t /*android_color_mode_t*/ intMode) { | 
|  | auto mode = static_cast<android_color_mode_t>(intMode); | 
|  | return callDisplayFunction(device, display, &Display::setColorMode, mode); | 
|  | } | 
|  |  | 
|  | static int32_t setPowerModeHook(hwc2_device_t* device, | 
|  | hwc2_display_t display, int32_t intMode) { | 
|  | auto mode = static_cast<HWC2::PowerMode>(intMode); | 
|  | return callDisplayFunction(device, display, &Display::setPowerMode, | 
|  | mode); | 
|  | } | 
|  |  | 
|  | static int32_t setVsyncEnabledHook(hwc2_device_t* device, | 
|  | hwc2_display_t display, int32_t intEnabled) { | 
|  | auto enabled = static_cast<HWC2::Vsync>(intEnabled); | 
|  | return callDisplayFunction(device, display, &Display::setVsyncEnabled, | 
|  | enabled); | 
|  | } | 
|  |  | 
|  | // Layer functions | 
|  |  | 
|  | template <typename T> | 
|  | class LatchedState { | 
|  | public: | 
|  | LatchedState(Layer& parent, T initialValue) | 
|  | : mParent(parent), | 
|  | mPendingValue(initialValue), | 
|  | mValue(initialValue) {} | 
|  |  | 
|  | void setPending(T value) { | 
|  | if (value == mPendingValue) { | 
|  | return; | 
|  | } | 
|  | if (mPendingValue == mValue) { | 
|  | mParent.incDirty(); | 
|  | } else if (value == mValue) { | 
|  | mParent.decDirty(); | 
|  | } | 
|  | mPendingValue = value; | 
|  | } | 
|  |  | 
|  | T getValue() const { return mValue; } | 
|  | T getPendingValue() const { return mPendingValue; } | 
|  |  | 
|  | bool isDirty() const { return mPendingValue != mValue; } | 
|  |  | 
|  | void latch() { | 
|  | if (isDirty()) { | 
|  | mValue = mPendingValue; | 
|  | mParent.decDirty(); | 
|  | } | 
|  | } | 
|  |  | 
|  | private: | 
|  | Layer& mParent; | 
|  | T mPendingValue; | 
|  | T mValue; | 
|  | }; | 
|  |  | 
|  | class Layer { | 
|  | public: | 
|  | explicit Layer(Display& display); | 
|  |  | 
|  | bool operator==(const Layer& other) { return mId == other.mId; } | 
|  | bool operator!=(const Layer& other) { return !(*this == other); } | 
|  |  | 
|  | hwc2_layer_t getId() const { return mId; } | 
|  | Display& getDisplay() const { return mDisplay; } | 
|  |  | 
|  | void incDirty() { if (mDirtyCount++ == 0) mDisplay.incDirty(); } | 
|  | void decDirty() { if (--mDirtyCount == 0) mDisplay.decDirty(); } | 
|  | bool isDirty() const { return mDirtyCount > 0; } | 
|  |  | 
|  | // HWC2 Layer functions | 
|  | HWC2::Error setBuffer(buffer_handle_t buffer, int32_t acquireFence); | 
|  | HWC2::Error setCursorPosition(int32_t x, int32_t y); | 
|  | HWC2::Error setSurfaceDamage(hwc_region_t damage); | 
|  |  | 
|  | // HWC2 Layer state functions | 
|  | HWC2::Error setBlendMode(HWC2::BlendMode mode); | 
|  | HWC2::Error setColor(hwc_color_t color); | 
|  | HWC2::Error setCompositionType(HWC2::Composition type); | 
|  | HWC2::Error setDataspace(android_dataspace_t dataspace); | 
|  | HWC2::Error setDisplayFrame(hwc_rect_t frame); | 
|  | HWC2::Error setPlaneAlpha(float alpha); | 
|  | HWC2::Error setSidebandStream(const native_handle_t* stream); | 
|  | HWC2::Error setSourceCrop(hwc_frect_t crop); | 
|  | HWC2::Error setTransform(HWC2::Transform transform); | 
|  | HWC2::Error setVisibleRegion(hwc_region_t visible); | 
|  | HWC2::Error setZ(uint32_t z); | 
|  |  | 
|  | HWC2::Composition getCompositionType() const { | 
|  | return mCompositionType.getValue(); | 
|  | } | 
|  | uint32_t getZ() const { return mZ; } | 
|  |  | 
|  | void addReleaseFence(int fenceFd); | 
|  | const sp<Fence>& getReleaseFence() const; | 
|  |  | 
|  | void setHwc1Id(size_t id) { mHwc1Id = id; } | 
|  | size_t getHwc1Id() const { return mHwc1Id; } | 
|  |  | 
|  | void applyState(struct hwc_layer_1& hwc1Layer, bool applyAllState); | 
|  |  | 
|  | std::string dump() const; | 
|  |  | 
|  | private: | 
|  | void applyCommonState(struct hwc_layer_1& hwc1Layer, | 
|  | bool applyAllState); | 
|  | void applySolidColorState(struct hwc_layer_1& hwc1Layer, | 
|  | bool applyAllState); | 
|  | void applySidebandState(struct hwc_layer_1& hwc1Layer, | 
|  | bool applyAllState); | 
|  | void applyBufferState(struct hwc_layer_1& hwc1Layer); | 
|  | void applyCompositionType(struct hwc_layer_1& hwc1Layer, | 
|  | bool applyAllState); | 
|  |  | 
|  | static std::atomic<hwc2_layer_t> sNextId; | 
|  | const hwc2_layer_t mId; | 
|  | Display& mDisplay; | 
|  | size_t mDirtyCount; | 
|  |  | 
|  | FencedBuffer mBuffer; | 
|  | std::vector<hwc_rect_t> mSurfaceDamage; | 
|  |  | 
|  | LatchedState<HWC2::BlendMode> mBlendMode; | 
|  | LatchedState<hwc_color_t> mColor; | 
|  | LatchedState<HWC2::Composition> mCompositionType; | 
|  | LatchedState<hwc_rect_t> mDisplayFrame; | 
|  | LatchedState<float> mPlaneAlpha; | 
|  | LatchedState<const native_handle_t*> mSidebandStream; | 
|  | LatchedState<hwc_frect_t> mSourceCrop; | 
|  | LatchedState<HWC2::Transform> mTransform; | 
|  | LatchedState<std::vector<hwc_rect_t>> mVisibleRegion; | 
|  | uint32_t mZ; | 
|  |  | 
|  | DeferredFence mReleaseFence; | 
|  |  | 
|  | size_t mHwc1Id; | 
|  | bool mHasUnsupportedDataspace; | 
|  | bool mHasUnsupportedPlaneAlpha; | 
|  | }; | 
|  |  | 
|  | template <typename ...Args> | 
|  | static int32_t callLayerFunction(hwc2_device_t* device, | 
|  | hwc2_display_t displayId, hwc2_layer_t layerId, | 
|  | HWC2::Error (Layer::*member)(Args...), Args... args) { | 
|  | auto result = getAdapter(device)->getLayer(displayId, layerId); | 
|  | auto error = std::get<HWC2::Error>(result); | 
|  | if (error == HWC2::Error::None) { | 
|  | auto layer = std::get<Layer*>(result); | 
|  | error = ((*layer).*member)(std::forward<Args>(args)...); | 
|  | } | 
|  | return static_cast<int32_t>(error); | 
|  | } | 
|  |  | 
|  | template <typename MF, MF memFunc, typename ...Args> | 
|  | static int32_t layerHook(hwc2_device_t* device, hwc2_display_t displayId, | 
|  | hwc2_layer_t layerId, Args... args) { | 
|  | return HWC2On1Adapter::callLayerFunction(device, displayId, layerId, | 
|  | memFunc, std::forward<Args>(args)...); | 
|  | } | 
|  |  | 
|  | // Layer state functions | 
|  |  | 
|  | static int32_t setLayerBlendModeHook(hwc2_device_t* device, | 
|  | hwc2_display_t display, hwc2_layer_t layer, int32_t intMode) { | 
|  | auto mode = static_cast<HWC2::BlendMode>(intMode); | 
|  | return callLayerFunction(device, display, layer, | 
|  | &Layer::setBlendMode, mode); | 
|  | } | 
|  |  | 
|  | static int32_t setLayerCompositionTypeHook(hwc2_device_t* device, | 
|  | hwc2_display_t display, hwc2_layer_t layer, int32_t intType) { | 
|  | auto type = static_cast<HWC2::Composition>(intType); | 
|  | return callLayerFunction(device, display, layer, | 
|  | &Layer::setCompositionType, type); | 
|  | } | 
|  |  | 
|  | static int32_t setLayerDataspaceHook(hwc2_device_t* device, | 
|  | hwc2_display_t display, hwc2_layer_t layer, int32_t intDataspace) { | 
|  | auto dataspace = static_cast<android_dataspace_t>(intDataspace); | 
|  | return callLayerFunction(device, display, layer, &Layer::setDataspace, | 
|  | dataspace); | 
|  | } | 
|  |  | 
|  | static int32_t setLayerTransformHook(hwc2_device_t* device, | 
|  | hwc2_display_t display, hwc2_layer_t layer, int32_t intTransform) { | 
|  | auto transform = static_cast<HWC2::Transform>(intTransform); | 
|  | return callLayerFunction(device, display, layer, &Layer::setTransform, | 
|  | transform); | 
|  | } | 
|  |  | 
|  | static int32_t setLayerZOrderHook(hwc2_device_t* device, | 
|  | hwc2_display_t display, hwc2_layer_t layer, uint32_t z) { | 
|  | return callDisplayFunction(device, display, &Display::updateLayerZ, | 
|  | layer, z); | 
|  | } | 
|  |  | 
|  | // Adapter internals | 
|  |  | 
|  | void populateCapabilities(); | 
|  | Display* getDisplay(hwc2_display_t id); | 
|  | std::tuple<Layer*, HWC2::Error> getLayer(hwc2_display_t displayId, | 
|  | hwc2_layer_t layerId); | 
|  | void populatePrimary(); | 
|  |  | 
|  | bool prepareAllDisplays(); | 
|  | std::vector<struct hwc_display_contents_1*> mHwc1Contents; | 
|  | HWC2::Error setAllDisplays(); | 
|  |  | 
|  | void hwc1Invalidate(); | 
|  | void hwc1Vsync(int hwc1DisplayId, int64_t timestamp); | 
|  | void hwc1Hotplug(int hwc1DisplayId, int connected); | 
|  |  | 
|  | // These are set in the constructor and before any asynchronous events are | 
|  | // possible | 
|  |  | 
|  | struct hwc_composer_device_1* const mHwc1Device; | 
|  | const uint8_t mHwc1MinorVersion; | 
|  | bool mHwc1SupportsVirtualDisplays; | 
|  |  | 
|  | class Callbacks; | 
|  | const std::unique_ptr<Callbacks> mHwc1Callbacks; | 
|  |  | 
|  | std::unordered_set<HWC2::Capability> mCapabilities; | 
|  |  | 
|  | // These are only accessed from the main SurfaceFlinger thread (not from | 
|  | // callbacks or dump | 
|  |  | 
|  | std::map<hwc2_layer_t, std::shared_ptr<Layer>> mLayers; | 
|  | std::shared_ptr<Display> mHwc1VirtualDisplay; | 
|  |  | 
|  | // These are potentially accessed from multiple threads, and are protected | 
|  | // by this mutex. This needs to be recursive, since the HWC1 implementation | 
|  | // can call back into the invalidate callback on the same thread that is | 
|  | // calling prepare. | 
|  | std::recursive_timed_mutex mStateMutex; | 
|  |  | 
|  | struct CallbackInfo { | 
|  | hwc2_callback_data_t data; | 
|  | hwc2_function_pointer_t pointer; | 
|  | }; | 
|  | std::unordered_map<HWC2::Callback, CallbackInfo> mCallbacks; | 
|  | bool mHasPendingInvalidate; | 
|  | std::vector<std::pair<int, int64_t>> mPendingVsyncs; | 
|  | std::vector<std::pair<int, int>> mPendingHotplugs; | 
|  |  | 
|  | std::map<hwc2_display_t, std::shared_ptr<Display>> mDisplays; | 
|  | std::unordered_map<int, hwc2_display_t> mHwc1DisplayMap; | 
|  | }; | 
|  |  | 
|  | } // namespace android | 
|  |  | 
|  | #endif |