| /* |
| * Copyright (C) 2007 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. |
| */ |
| |
| #pragma once |
| |
| #include <memory> |
| #include <optional> |
| #include <string> |
| #include <unordered_map> |
| |
| #include <android-base/thread_annotations.h> |
| #include <android/native_window.h> |
| #include <binder/IBinder.h> |
| #include <gui/LayerState.h> |
| #include <math/mat4.h> |
| #include <renderengine/RenderEngine.h> |
| #include <system/window.h> |
| #include <ui/DisplayId.h> |
| #include <ui/DisplayIdentification.h> |
| #include <ui/DisplayState.h> |
| #include <ui/GraphicTypes.h> |
| #include <ui/HdrCapabilities.h> |
| #include <ui/Region.h> |
| #include <ui/StaticDisplayInfo.h> |
| #include <ui/Transform.h> |
| #include <utils/Errors.h> |
| #include <utils/Mutex.h> |
| #include <utils/RefBase.h> |
| #include <utils/Timers.h> |
| |
| #include "DisplayHardware/DisplayMode.h" |
| #include "DisplayHardware/Hal.h" |
| #include "DisplayHardware/PowerAdvisor.h" |
| #include "Scheduler/RefreshRateConfigs.h" |
| #include "ThreadContext.h" |
| #include "TracedOrdinal.h" |
| |
| namespace android { |
| |
| class Fence; |
| class HWComposer; |
| class IGraphicBufferProducer; |
| class Layer; |
| class RefreshRateOverlay; |
| class SurfaceFlinger; |
| |
| struct CompositionInfo; |
| struct DisplayDeviceCreationArgs; |
| |
| namespace compositionengine { |
| class Display; |
| class DisplaySurface; |
| } // namespace compositionengine |
| |
| class DisplayDevice : public RefBase { |
| public: |
| constexpr static float sDefaultMinLumiance = 0.0; |
| constexpr static float sDefaultMaxLumiance = 500.0; |
| enum { eReceivesInput = 0x01 }; |
| |
| explicit DisplayDevice(DisplayDeviceCreationArgs& args); |
| |
| // Must be destroyed on the main thread because it may call into HWComposer. |
| virtual ~DisplayDevice(); |
| |
| std::shared_ptr<compositionengine::Display> getCompositionDisplay() const { |
| return mCompositionDisplay; |
| } |
| |
| std::optional<ui::DisplayConnectionType> getConnectionType() const { return mConnectionType; } |
| |
| bool isVirtual() const { return !mConnectionType; } |
| bool isPrimary() const { return mIsPrimary; } |
| bool isInternal() const { return mConnectionType == ui::DisplayConnectionType::Internal; } |
| |
| // isSecure indicates whether this display can be trusted to display |
| // secure surfaces. |
| bool isSecure() const; |
| |
| int getWidth() const; |
| int getHeight() const; |
| ui::Size getSize() const { return {getWidth(), getHeight()}; } |
| |
| void setLayerStack(ui::LayerStack); |
| void setDisplaySize(int width, int height); |
| void setProjection(ui::Rotation orientation, Rect viewport, Rect frame); |
| void stageBrightness(float brightness) REQUIRES(kMainThreadContext); |
| void persistBrightness(bool needsComposite) REQUIRES(kMainThreadContext); |
| bool isBrightnessStale() const REQUIRES(kMainThreadContext); |
| void setFlags(uint32_t flags); |
| |
| ui::Rotation getPhysicalOrientation() const { return mPhysicalOrientation; } |
| ui::Rotation getOrientation() const { return mOrientation; } |
| |
| static ui::Transform::RotationFlags getPrimaryDisplayRotationFlags(); |
| |
| std::optional<float> getStagedBrightness() const REQUIRES(kMainThreadContext); |
| ui::Transform::RotationFlags getTransformHint() const; |
| const ui::Transform& getTransform() const; |
| const Rect& getLayerStackSpaceRect() const; |
| const Rect& getOrientedDisplaySpaceRect() const; |
| bool needsFiltering() const; |
| ui::LayerStack getLayerStack() const; |
| bool receivesInput() const { return mFlags & eReceivesInput; } |
| |
| DisplayId getId() const; |
| |
| // Shorthand to upcast the ID of a display whose type is known as a precondition. |
| PhysicalDisplayId getPhysicalId() const { |
| const auto id = PhysicalDisplayId::tryCast(getId()); |
| LOG_FATAL_IF(!id); |
| return *id; |
| } |
| |
| VirtualDisplayId getVirtualId() const { |
| const auto id = VirtualDisplayId::tryCast(getId()); |
| LOG_FATAL_IF(!id); |
| return *id; |
| } |
| |
| const wp<IBinder>& getDisplayToken() const { return mDisplayToken; } |
| int32_t getSequenceId() const { return mSequenceId; } |
| |
| const Region& getUndefinedRegion() const; |
| |
| int32_t getSupportedPerFrameMetadata() const; |
| |
| bool hasWideColorGamut() const; |
| // Whether h/w composer has native support for specific HDR type. |
| bool hasHDR10PlusSupport() const; |
| bool hasHDR10Support() const; |
| bool hasHLGSupport() const; |
| bool hasDolbyVisionSupport() const; |
| |
| void overrideHdrTypes(const std::vector<ui::Hdr>& hdrTypes); |
| |
| // The returned HdrCapabilities is the combination of HDR capabilities from |
| // hardware composer and RenderEngine. When the DisplayDevice supports wide |
| // color gamut, RenderEngine is able to simulate HDR support in Display P3 |
| // color space for both PQ and HLG HDR contents. The minimum and maximum |
| // luminance will be set to sDefaultMinLumiance and sDefaultMaxLumiance |
| // respectively if hardware composer doesn't return meaningful values. |
| HdrCapabilities getHdrCapabilities() const; |
| |
| // Return true if intent is supported by the display. |
| bool hasRenderIntent(ui::RenderIntent intent) const; |
| |
| const Rect getBounds() const; |
| const Rect bounds() const { return getBounds(); } |
| |
| void setDisplayName(const std::string& displayName); |
| const std::string& getDisplayName() const { return mDisplayName; } |
| |
| void setDeviceProductInfo(std::optional<DeviceProductInfo> info); |
| const std::optional<DeviceProductInfo>& getDeviceProductInfo() const { |
| return mDeviceProductInfo; |
| } |
| |
| struct InputInfo { |
| gui::DisplayInfo info; |
| ui::Transform transform; |
| bool receivesInput; |
| bool isSecure; |
| }; |
| |
| InputInfo getInputInfo() const; |
| |
| /* ------------------------------------------------------------------------ |
| * Display power mode management. |
| */ |
| hardware::graphics::composer::hal::PowerMode getPowerMode() const; |
| void setPowerMode(hardware::graphics::composer::hal::PowerMode mode); |
| bool isPoweredOn() const; |
| |
| // Enables layer caching on this DisplayDevice |
| void enableLayerCaching(bool enable); |
| |
| ui::Dataspace getCompositionDataSpace() const; |
| |
| /* ------------------------------------------------------------------------ |
| * Display mode management. |
| */ |
| const DisplayModePtr& getActiveMode() const; |
| |
| struct ActiveModeInfo { |
| DisplayModePtr mode; |
| scheduler::DisplayModeEvent event = scheduler::DisplayModeEvent::None; |
| |
| bool operator!=(const ActiveModeInfo& other) const { |
| return mode != other.mode || event != other.event; |
| } |
| }; |
| |
| bool setDesiredActiveMode(const ActiveModeInfo&) EXCLUDES(mActiveModeLock); |
| std::optional<ActiveModeInfo> getDesiredActiveMode() const EXCLUDES(mActiveModeLock); |
| void clearDesiredActiveModeState() EXCLUDES(mActiveModeLock); |
| ActiveModeInfo getUpcomingActiveMode() const REQUIRES(kMainThreadContext) { |
| return mUpcomingActiveMode; |
| } |
| |
| void setActiveMode(DisplayModeId) REQUIRES(kMainThreadContext); |
| status_t initiateModeChange(const ActiveModeInfo&, |
| const hal::VsyncPeriodChangeConstraints& constraints, |
| hal::VsyncPeriodChangeTimeline* outTimeline) |
| REQUIRES(kMainThreadContext); |
| |
| // Return the immutable list of supported display modes. The HWC may report different modes |
| // after a hotplug reconnect event, in which case the DisplayDevice object will be recreated. |
| // Hotplug reconnects are common for external displays. |
| const DisplayModes& getSupportedModes() const; |
| |
| // Returns nullptr if the given mode ID is not supported. A previously |
| // supported mode may be no longer supported for some devices like TVs and |
| // set-top boxes after a hotplug reconnect. |
| DisplayModePtr getMode(DisplayModeId) const; |
| |
| std::optional<DisplayModeId> translateModeId(hal::HWConfigId) const; |
| |
| // Returns the refresh rate configs for this display. |
| scheduler::RefreshRateConfigs& refreshRateConfigs() const { return *mRefreshRateConfigs; } |
| |
| // Returns a shared pointer to the refresh rate configs for this display. |
| // Clients can store this refresh rate configs and use it even if the DisplayDevice |
| // is destroyed. |
| std::shared_ptr<scheduler::RefreshRateConfigs> holdRefreshRateConfigs() const { |
| return mRefreshRateConfigs; |
| } |
| |
| // Enables an overlay to be displayed with the current refresh rate |
| void enableRefreshRateOverlay(bool enable, bool showSpinner); |
| bool isRefreshRateOverlayEnabled() const { return mRefreshRateOverlay != nullptr; } |
| bool onKernelTimerChanged(std::optional<DisplayModeId>, bool timerExpired); |
| void animateRefreshRateOverlay(); |
| |
| void onVsync(nsecs_t timestamp); |
| nsecs_t getVsyncPeriodFromHWC() const; |
| nsecs_t getRefreshTimestamp() const; |
| |
| // release HWC resources (if any) for removable displays |
| void disconnect(); |
| |
| /* ------------------------------------------------------------------------ |
| * Debugging |
| */ |
| uint32_t getPageFlipCount() const; |
| std::string getDebugName() const; |
| void dump(std::string& result) const; |
| |
| private: |
| const sp<SurfaceFlinger> mFlinger; |
| HWComposer& mHwComposer; |
| const wp<IBinder> mDisplayToken; |
| const int32_t mSequenceId; |
| const std::optional<ui::DisplayConnectionType> mConnectionType; |
| |
| const std::shared_ptr<compositionengine::Display> mCompositionDisplay; |
| |
| std::string mDisplayName; |
| std::string mActiveModeFPSTrace; |
| std::string mActiveModeFPSHwcTrace; |
| |
| const ui::Rotation mPhysicalOrientation; |
| ui::Rotation mOrientation = ui::ROTATION_0; |
| |
| static ui::Transform::RotationFlags sPrimaryDisplayRotationFlags; |
| |
| hardware::graphics::composer::hal::PowerMode mPowerMode = |
| hardware::graphics::composer::hal::PowerMode::OFF; |
| DisplayModePtr mActiveMode; |
| std::optional<float> mStagedBrightness = std::nullopt; |
| float mBrightness = -1.f; |
| const DisplayModes mSupportedModes; |
| |
| std::atomic<nsecs_t> mLastHwVsync = 0; |
| |
| // TODO(b/182939859): Remove special cases for primary display. |
| const bool mIsPrimary; |
| |
| uint32_t mFlags = 0; |
| |
| std::optional<DeviceProductInfo> mDeviceProductInfo; |
| |
| std::vector<ui::Hdr> mOverrideHdrTypes; |
| |
| std::shared_ptr<scheduler::RefreshRateConfigs> mRefreshRateConfigs; |
| std::unique_ptr<RefreshRateOverlay> mRefreshRateOverlay; |
| |
| mutable std::mutex mActiveModeLock; |
| ActiveModeInfo mDesiredActiveMode GUARDED_BY(mActiveModeLock); |
| TracedOrdinal<bool> mDesiredActiveModeChanged |
| GUARDED_BY(mActiveModeLock) = {"DesiredActiveModeChanged", false}; |
| ActiveModeInfo mUpcomingActiveMode GUARDED_BY(kMainThreadContext); |
| }; |
| |
| struct DisplayDeviceState { |
| struct Physical { |
| PhysicalDisplayId id; |
| ui::DisplayConnectionType type; |
| hardware::graphics::composer::hal::HWDisplayId hwcDisplayId; |
| std::optional<DeviceProductInfo> deviceProductInfo; |
| DisplayModes supportedModes; |
| DisplayModePtr activeMode; |
| |
| bool operator==(const Physical& other) const { |
| return id == other.id && type == other.type && hwcDisplayId == other.hwcDisplayId; |
| } |
| }; |
| |
| bool isVirtual() const { return !physical; } |
| |
| int32_t sequenceId = sNextSequenceId++; |
| std::optional<Physical> physical; |
| sp<IGraphicBufferProducer> surface; |
| ui::LayerStack layerStack; |
| uint32_t flags = 0; |
| Rect layerStackSpaceRect; |
| Rect orientedDisplaySpaceRect; |
| ui::Rotation orientation = ui::ROTATION_0; |
| uint32_t width = 0; |
| uint32_t height = 0; |
| std::string displayName; |
| bool isSecure = false; |
| |
| private: |
| static std::atomic<int32_t> sNextSequenceId; |
| }; |
| |
| struct DisplayDeviceCreationArgs { |
| // We use a constructor to ensure some of the values are set, without |
| // assuming a default value. |
| DisplayDeviceCreationArgs(const sp<SurfaceFlinger>&, HWComposer& hwComposer, |
| const wp<IBinder>& displayToken, |
| std::shared_ptr<compositionengine::Display>); |
| const sp<SurfaceFlinger> flinger; |
| HWComposer& hwComposer; |
| const wp<IBinder> displayToken; |
| const std::shared_ptr<compositionengine::Display> compositionDisplay; |
| std::shared_ptr<scheduler::RefreshRateConfigs> refreshRateConfigs; |
| |
| int32_t sequenceId{0}; |
| std::optional<ui::DisplayConnectionType> connectionType; |
| bool isSecure{false}; |
| sp<ANativeWindow> nativeWindow; |
| sp<compositionengine::DisplaySurface> displaySurface; |
| ui::Rotation physicalOrientation{ui::ROTATION_0}; |
| bool hasWideColorGamut{false}; |
| HdrCapabilities hdrCapabilities; |
| int32_t supportedPerFrameMetadata{0}; |
| std::unordered_map<ui::ColorMode, std::vector<ui::RenderIntent>> hwcColorModes; |
| hardware::graphics::composer::hal::PowerMode initialPowerMode{ |
| hardware::graphics::composer::hal::PowerMode::ON}; |
| bool isPrimary{false}; |
| DisplayModes supportedModes; |
| DisplayModeId activeModeId; |
| }; |
| |
| } // namespace android |